GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/fftools/ffprobe.c Lines: 1389 1949 71.3 %
Date: 2021-04-18 21:26:34 Branches: 762 1211 62.9 %

Line Branch Exec Source
1
/*
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 * Copyright (c) 2007-2010 Stefano Sabatini
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
20
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/**
22
 * @file
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 * simple media prober based on the FFmpeg libraries
24
 */
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#include "config.h"
27
#include "libavutil/ffversion.h"
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#include <string.h>
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#include "libavformat/avformat.h"
32
#include "libavcodec/avcodec.h"
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#include "libavutil/avassert.h"
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#include "libavutil/avstring.h"
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#include "libavutil/bprint.h"
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#include "libavutil/display.h"
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#include "libavutil/hash.h"
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#include "libavutil/hdr_dynamic_metadata.h"
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#include "libavutil/mastering_display_metadata.h"
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#include "libavutil/dovi_meta.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/spherical.h"
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#include "libavutil/stereo3d.h"
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#include "libavutil/dict.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/libm.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/timecode.h"
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#include "libavutil/timestamp.h"
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#include "libavdevice/avdevice.h"
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#include "libswscale/swscale.h"
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#include "libswresample/swresample.h"
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#include "libpostproc/postprocess.h"
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#include "cmdutils.h"
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#include "libavutil/thread.h"
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#if !HAVE_THREADS
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#  ifdef pthread_mutex_lock
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#    undef pthread_mutex_lock
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#  endif
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#  define pthread_mutex_lock(a) do{}while(0)
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#  ifdef pthread_mutex_unlock
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#    undef pthread_mutex_unlock
66
#  endif
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#  define pthread_mutex_unlock(a) do{}while(0)
68
#endif
69
70
typedef struct InputStream {
71
    AVStream *st;
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    AVCodecContext *dec_ctx;
74
} InputStream;
75
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typedef struct InputFile {
77
    AVFormatContext *fmt_ctx;
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    InputStream *streams;
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    int       nb_streams;
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} InputFile;
82
83
const char program_name[] = "ffprobe";
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const int program_birth_year = 2007;
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86
static int do_bitexact = 0;
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static int do_count_frames = 0;
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static int do_count_packets = 0;
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static int do_read_frames  = 0;
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static int do_read_packets = 0;
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static int do_show_chapters = 0;
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static int do_show_error   = 0;
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static int do_show_format  = 0;
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static int do_show_frames  = 0;
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static int do_show_packets = 0;
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static int do_show_programs = 0;
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static int do_show_streams = 0;
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static int do_show_stream_disposition = 0;
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static int do_show_data    = 0;
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static int do_show_program_version  = 0;
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static int do_show_library_versions = 0;
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static int do_show_pixel_formats = 0;
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static int do_show_pixel_format_flags = 0;
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static int do_show_pixel_format_components = 0;
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static int do_show_log = 0;
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static int do_show_chapter_tags = 0;
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static int do_show_format_tags = 0;
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static int do_show_frame_tags = 0;
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static int do_show_program_tags = 0;
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static int do_show_stream_tags = 0;
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static int do_show_packet_tags = 0;
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static int show_value_unit              = 0;
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static int use_value_prefix             = 0;
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static int use_byte_value_binary_prefix = 0;
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static int use_value_sexagesimal_format = 0;
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static int show_private_data            = 1;
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static char *print_format;
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static char *stream_specifier;
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static char *show_data_hash;
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124
typedef struct ReadInterval {
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    int id;             ///< identifier
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    int64_t start, end; ///< start, end in second/AV_TIME_BASE units
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    int has_start, has_end;
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    int start_is_offset, end_is_offset;
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    int duration_frames;
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} ReadInterval;
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static ReadInterval *read_intervals;
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static int read_intervals_nb = 0;
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static int find_stream_info  = 1;
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137
/* section structure definition */
138
139
#define SECTION_MAX_NB_CHILDREN 10
140
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struct section {
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    int id;             ///< unique id identifying a section
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    const char *name;
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#define SECTION_FLAG_IS_WRAPPER      1 ///< the section only contains other sections, but has no data at its own level
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#define SECTION_FLAG_IS_ARRAY        2 ///< the section contains an array of elements of the same type
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#define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
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                                           ///  For these sections the element_name field is mandatory.
149
    int flags;
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    int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
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    const char *element_name; ///< name of the contained element, if provided
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    const char *unique_name;  ///< unique section name, in case the name is ambiguous
153
    AVDictionary *entries_to_show;
154
    int show_all_entries;
155
};
156
157
typedef enum {
158
    SECTION_ID_NONE = -1,
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    SECTION_ID_CHAPTER,
160
    SECTION_ID_CHAPTER_TAGS,
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    SECTION_ID_CHAPTERS,
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    SECTION_ID_ERROR,
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    SECTION_ID_FORMAT,
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    SECTION_ID_FORMAT_TAGS,
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    SECTION_ID_FRAME,
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    SECTION_ID_FRAMES,
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    SECTION_ID_FRAME_TAGS,
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    SECTION_ID_FRAME_SIDE_DATA_LIST,
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    SECTION_ID_FRAME_SIDE_DATA,
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    SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST,
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    SECTION_ID_FRAME_SIDE_DATA_TIMECODE,
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    SECTION_ID_FRAME_LOG,
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    SECTION_ID_FRAME_LOGS,
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    SECTION_ID_LIBRARY_VERSION,
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    SECTION_ID_LIBRARY_VERSIONS,
176
    SECTION_ID_PACKET,
177
    SECTION_ID_PACKET_TAGS,
178
    SECTION_ID_PACKETS,
179
    SECTION_ID_PACKETS_AND_FRAMES,
180
    SECTION_ID_PACKET_SIDE_DATA_LIST,
181
    SECTION_ID_PACKET_SIDE_DATA,
182
    SECTION_ID_PIXEL_FORMAT,
183
    SECTION_ID_PIXEL_FORMAT_FLAGS,
184
    SECTION_ID_PIXEL_FORMAT_COMPONENT,
185
    SECTION_ID_PIXEL_FORMAT_COMPONENTS,
186
    SECTION_ID_PIXEL_FORMATS,
187
    SECTION_ID_PROGRAM_STREAM_DISPOSITION,
188
    SECTION_ID_PROGRAM_STREAM_TAGS,
189
    SECTION_ID_PROGRAM,
190
    SECTION_ID_PROGRAM_STREAMS,
191
    SECTION_ID_PROGRAM_STREAM,
192
    SECTION_ID_PROGRAM_TAGS,
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    SECTION_ID_PROGRAM_VERSION,
194
    SECTION_ID_PROGRAMS,
195
    SECTION_ID_ROOT,
196
    SECTION_ID_STREAM,
197
    SECTION_ID_STREAM_DISPOSITION,
198
    SECTION_ID_STREAMS,
199
    SECTION_ID_STREAM_TAGS,
200
    SECTION_ID_STREAM_SIDE_DATA_LIST,
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    SECTION_ID_STREAM_SIDE_DATA,
202
    SECTION_ID_SUBTITLE,
203
} SectionID;
204
205
static struct section sections[] = {
206
    [SECTION_ID_CHAPTERS] =           { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
207
    [SECTION_ID_CHAPTER] =            { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
208
    [SECTION_ID_CHAPTER_TAGS] =       { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
209
    [SECTION_ID_ERROR] =              { SECTION_ID_ERROR, "error", 0, { -1 } },
210
    [SECTION_ID_FORMAT] =             { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
211
    [SECTION_ID_FORMAT_TAGS] =        { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
212
    [SECTION_ID_FRAMES] =             { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
213
    [SECTION_ID_FRAME] =              { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_LOGS, -1 } },
214
    [SECTION_ID_FRAME_TAGS] =         { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
215
    [SECTION_ID_FRAME_SIDE_DATA_LIST] ={ SECTION_ID_FRAME_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "frame_side_data_list" },
216
    [SECTION_ID_FRAME_SIDE_DATA] =     { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, -1 } },
217
    [SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST] =     { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, "timecodes", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, -1 } },
218
    [SECTION_ID_FRAME_SIDE_DATA_TIMECODE] =     { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, "timecode", 0, { -1 } },
219
    [SECTION_ID_FRAME_LOGS] =         { SECTION_ID_FRAME_LOGS, "logs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_LOG, -1 } },
220
    [SECTION_ID_FRAME_LOG] =          { SECTION_ID_FRAME_LOG, "log", 0, { -1 },  },
221
    [SECTION_ID_LIBRARY_VERSIONS] =   { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
222
    [SECTION_ID_LIBRARY_VERSION] =    { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
223
    [SECTION_ID_PACKETS] =            { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
224
    [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
225
    [SECTION_ID_PACKET] =             { SECTION_ID_PACKET, "packet", 0, { SECTION_ID_PACKET_TAGS, SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } },
226
    [SECTION_ID_PACKET_TAGS] =        { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },
227
    [SECTION_ID_PACKET_SIDE_DATA_LIST] ={ SECTION_ID_PACKET_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "packet_side_data_list" },
228
    [SECTION_ID_PACKET_SIDE_DATA] =     { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },
229
    [SECTION_ID_PIXEL_FORMATS] =      { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } },
230
    [SECTION_ID_PIXEL_FORMAT] =       { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } },
231
    [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
232
    [SECTION_ID_PIXEL_FORMAT_COMPONENTS] = { SECTION_ID_PIXEL_FORMAT_COMPONENTS, "components", SECTION_FLAG_IS_ARRAY, {SECTION_ID_PIXEL_FORMAT_COMPONENT, -1 }, .unique_name = "pixel_format_components" },
233
    [SECTION_ID_PIXEL_FORMAT_COMPONENT]  = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 0, { -1 } },
234
    [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
235
    [SECTION_ID_PROGRAM_STREAM_TAGS] =        { SECTION_ID_PROGRAM_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_stream_tags" },
236
    [SECTION_ID_PROGRAM] =                    { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
237
    [SECTION_ID_PROGRAM_STREAMS] =            { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
238
    [SECTION_ID_PROGRAM_STREAM] =             { SECTION_ID_PROGRAM_STREAM, "stream", 0, { SECTION_ID_PROGRAM_STREAM_DISPOSITION, SECTION_ID_PROGRAM_STREAM_TAGS, -1 }, .unique_name = "program_stream" },
239
    [SECTION_ID_PROGRAM_TAGS] =               { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
240
    [SECTION_ID_PROGRAM_VERSION] =    { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
241
    [SECTION_ID_PROGRAMS] =                   { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
242
    [SECTION_ID_ROOT] =               { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
243
                                        { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
244
                                          SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS,
245
                                          SECTION_ID_PIXEL_FORMATS, -1} },
246
    [SECTION_ID_STREAMS] =            { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
247
    [SECTION_ID_STREAM] =             { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, -1 } },
248
    [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
249
    [SECTION_ID_STREAM_TAGS] =        { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
250
    [SECTION_ID_STREAM_SIDE_DATA_LIST] ={ SECTION_ID_STREAM_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "stream_side_data_list" },
251
    [SECTION_ID_STREAM_SIDE_DATA] =     { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },
252
    [SECTION_ID_SUBTITLE] =           { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
253
};
254
255
static const OptionDef *options;
256
257
/* FFprobe context */
258
static const char *input_filename;
259
static const char *print_input_filename;
260
static AVInputFormat *iformat = NULL;
261
262
static struct AVHashContext *hash;
263
264
static const struct {
265
    double bin_val;
266
    double dec_val;
267
    const char *bin_str;
268
    const char *dec_str;
269
} si_prefixes[] = {
270
    { 1.0, 1.0, "", "" },
271
    { 1.024e3, 1e3, "Ki", "K" },
272
    { 1.048576e6, 1e6, "Mi", "M" },
273
    { 1.073741824e9, 1e9, "Gi", "G" },
274
    { 1.099511627776e12, 1e12, "Ti", "T" },
275
    { 1.125899906842624e15, 1e15, "Pi", "P" },
276
};
277
278
static const char unit_second_str[]         = "s"    ;
279
static const char unit_hertz_str[]          = "Hz"   ;
280
static const char unit_byte_str[]           = "byte" ;
281
static const char unit_bit_per_second_str[] = "bit/s";
282
283
static int nb_streams;
284
static uint64_t *nb_streams_packets;
285
static uint64_t *nb_streams_frames;
286
static int *selected_streams;
287
288
#if HAVE_THREADS
289
pthread_mutex_t log_mutex;
290
#endif
291
typedef struct LogBuffer {
292
    char *context_name;
293
    int log_level;
294
    char *log_message;
295
    AVClassCategory category;
296
    char *parent_name;
297
    AVClassCategory parent_category;
298
}LogBuffer;
299
300
static LogBuffer *log_buffer;
301
static int log_buffer_size;
302
303
static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
304
{
305
    AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
306
    va_list vl2;
307
    char line[1024];
308
    static int print_prefix = 1;
309
    void *new_log_buffer;
310
311
    va_copy(vl2, vl);
312
    av_log_default_callback(ptr, level, fmt, vl);
313
    av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
314
    va_end(vl2);
315
316
#if HAVE_THREADS
317
    pthread_mutex_lock(&log_mutex);
318
319
    new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer));
320
    if (new_log_buffer) {
321
        char *msg;
322
        int i;
323
324
        log_buffer = new_log_buffer;
325
        memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size]));
326
        log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL;
327
        if (avc) {
328
            if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr);
329
            else                   log_buffer[log_buffer_size].category = avc->category;
330
        }
331
        log_buffer[log_buffer_size].log_level   = level;
332
        msg = log_buffer[log_buffer_size].log_message = av_strdup(line);
333
        for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) {
334
            msg[i] = 0;
335
        }
336
        if (avc && avc->parent_log_context_offset) {
337
            AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
338
                                   avc->parent_log_context_offset);
339
            if (parent && *parent) {
340
                log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent));
341
                log_buffer[log_buffer_size].parent_category =
342
                    (*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category;
343
            }
344
        }
345
        log_buffer_size ++;
346
    }
347
348
    pthread_mutex_unlock(&log_mutex);
349
#endif
350
}
351
352
static void ffprobe_cleanup(int ret)
353
{
354
    int i;
355
    for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
356
        av_dict_free(&(sections[i].entries_to_show));
357
358
#if HAVE_THREADS
359
    pthread_mutex_destroy(&log_mutex);
360
#endif
361
}
362
363
struct unit_value {
364
    union { double d; long long int i; } val;
365
    const char *unit;
366
};
367
368
29380
static char *value_string(char *buf, int buf_size, struct unit_value uv)
369
{
370
    double vald;
371
    long long int vali;
372
29380
    int show_float = 0;
373
374
29380
    if (uv.unit == unit_second_str) {
375
22610
        vald = uv.val.d;
376
22610
        show_float = 1;
377
    } else {
378
6770
        vald = vali = uv.val.i;
379
    }
380
381

29380
    if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
382
        double secs;
383
        int hours, mins;
384
        secs  = vald;
385
        mins  = (int)secs / 60;
386
        secs  = secs - mins * 60;
387
        hours = mins / 60;
388
        mins %= 60;
389
        snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
390
    } else {
391
29380
        const char *prefix_string = "";
392
393

29380
        if (use_value_prefix && vald > 1) {
394
            long long int index;
395
396
            if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
397
                index = (long long int) (log2(vald)) / 10;
398
                index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
399
                vald /= si_prefixes[index].bin_val;
400
                prefix_string = si_prefixes[index].bin_str;
401
            } else {
402
                index = (long long int) (log10(vald)) / 3;
403
                index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
404
                vald /= si_prefixes[index].dec_val;
405
                prefix_string = si_prefixes[index].dec_str;
406
            }
407
            vali = vald;
408
        }
409
410

29380
        if (show_float || (use_value_prefix && vald != (long long int)vald))
411
22610
            snprintf(buf, buf_size, "%f", vald);
412
        else
413
6770
            snprintf(buf, buf_size, "%lld", vali);
414

29380
        av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
415
29380
                 prefix_string, show_value_unit ? uv.unit : "");
416
    }
417
418
29380
    return buf;
419
}
420
421
/* WRITERS API */
422
423
typedef struct WriterContext WriterContext;
424
425
#define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
426
#define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
427
428
typedef enum {
429
    WRITER_STRING_VALIDATION_FAIL,
430
    WRITER_STRING_VALIDATION_REPLACE,
431
    WRITER_STRING_VALIDATION_IGNORE,
432
    WRITER_STRING_VALIDATION_NB
433
} StringValidation;
434
435
typedef struct Writer {
436
    const AVClass *priv_class;      ///< private class of the writer, if any
437
    int priv_size;                  ///< private size for the writer context
438
    const char *name;
439
440
    int  (*init)  (WriterContext *wctx);
441
    void (*uninit)(WriterContext *wctx);
442
443
    void (*print_section_header)(WriterContext *wctx);
444
    void (*print_section_footer)(WriterContext *wctx);
445
    void (*print_integer)       (WriterContext *wctx, const char *, long long int);
446
    void (*print_rational)      (WriterContext *wctx, AVRational *q, char *sep);
447
    void (*print_string)        (WriterContext *wctx, const char *, const char *);
448
    int flags;                  ///< a combination or WRITER_FLAG_*
449
} Writer;
450
451
#define SECTION_MAX_NB_LEVELS 10
452
453
struct WriterContext {
454
    const AVClass *class;           ///< class of the writer
455
    const Writer *writer;           ///< the Writer of which this is an instance
456
    char *name;                     ///< name of this writer instance
457
    void *priv;                     ///< private data for use by the filter
458
459
    const struct section *sections; ///< array containing all sections
460
    int nb_sections;                ///< number of sections
461
462
    int level;                      ///< current level, starting from 0
463
464
    /** number of the item printed in the given section, starting from 0 */
465
    unsigned int nb_item[SECTION_MAX_NB_LEVELS];
466
467
    /** section per each level */
468
    const struct section *section[SECTION_MAX_NB_LEVELS];
469
    AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
470
                                                  ///  used by various writers
471
472
    unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
473
    unsigned int nb_section_frame;  ///< number of the frame  section in case we are in "packets_and_frames" section
474
    unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
475
476
    int string_validation;
477
    char *string_validation_replacement;
478
    unsigned int string_validation_utf8_flags;
479
};
480
481
static const char *writer_get_name(void *p)
482
{
483
    WriterContext *wctx = p;
484
    return wctx->writer->name;
485
}
486
487
#define OFFSET(x) offsetof(WriterContext, x)
488
489
static const AVOption writer_options[] = {
490
    { "string_validation", "set string validation mode",
491
      OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
492
    { "sv", "set string validation mode",
493
      OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
494
    { "ignore",  NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE},  .unit = "sv" },
495
    { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
496
    { "fail",    NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL},    .unit = "sv" },
497
    { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
498
    { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
499
    { NULL }
500
};
501
502
26
static void *writer_child_next(void *obj, void *prev)
503
{
504
26
    WriterContext *ctx = obj;
505


26
    if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
506
26
        return ctx->priv;
507
    return NULL;
508
}
509
510
static const AVClass writer_class = {
511
    .class_name = "Writer",
512
    .item_name  = writer_get_name,
513
    .option     = writer_options,
514
    .version    = LIBAVUTIL_VERSION_INT,
515
    .child_next = writer_child_next,
516
};
517
518
92
static void writer_close(WriterContext **wctx)
519
{
520
    int i;
521
522
92
    if (!*wctx)
523
        return;
524
525
92
    if ((*wctx)->writer->uninit)
526
        (*wctx)->writer->uninit(*wctx);
527
1012
    for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
528
920
        av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
529
92
    if ((*wctx)->writer->priv_class)
530
92
        av_opt_free((*wctx)->priv);
531
92
    av_freep(&((*wctx)->priv));
532
92
    av_opt_free(*wctx);
533
92
    av_freep(wctx);
534
}
535
536
static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
537
{
538
    int i;
539
    av_bprintf(bp, "0X");
540
    for (i = 0; i < ubuf_size; i++)
541
        av_bprintf(bp, "%02X", ubuf[i]);
542
}
543
544
545
92
static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
546
                       const struct section *sections, int nb_sections)
547
{
548
92
    int i, ret = 0;
549
550
92
    if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
551
        ret = AVERROR(ENOMEM);
552
        goto fail;
553
    }
554
555
92
    if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
556
        ret = AVERROR(ENOMEM);
557
        goto fail;
558
    }
559
560
92
    (*wctx)->class = &writer_class;
561
92
    (*wctx)->writer = writer;
562
92
    (*wctx)->level = -1;
563
92
    (*wctx)->sections = sections;
564
92
    (*wctx)->nb_sections = nb_sections;
565
566
92
    av_opt_set_defaults(*wctx);
567
568
92
    if (writer->priv_class) {
569
92
        void *priv_ctx = (*wctx)->priv;
570
92
        *((const AVClass **)priv_ctx) = writer->priv_class;
571
92
        av_opt_set_defaults(priv_ctx);
572
    }
573
574
    /* convert options to dictionary */
575
92
    if (args) {
576
19
        AVDictionary *opts = NULL;
577
19
        AVDictionaryEntry *opt = NULL;
578
579
19
        if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
580
            av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
581
            av_dict_free(&opts);
582
            goto fail;
583
        }
584
585
45
        while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
586
26
            if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
587
                av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
588
                       opt->key, opt->value);
589
                av_dict_free(&opts);
590
                goto fail;
591
            }
592
        }
593
594
19
        av_dict_free(&opts);
595
    }
596
597
    /* validate replace string */
598
    {
599
92
        const uint8_t *p = (*wctx)->string_validation_replacement;
600
92
        const uint8_t *endp = p + strlen(p);
601
184
        while (*p) {
602
92
            const uint8_t *p0 = p;
603
            int32_t code;
604
92
            ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
605
92
            if (ret < 0) {
606
                AVBPrint bp;
607
                av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
608
                bprint_bytes(&bp, p0, p-p0),
609
                    av_log(wctx, AV_LOG_ERROR,
610
                           "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
611
                           bp.str, (*wctx)->string_validation_replacement);
612
                return ret;
613
            }
614
        }
615
    }
616
617
1012
    for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
618
920
        av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
619
620
92
    if ((*wctx)->writer->init)
621
33
        ret = (*wctx)->writer->init(*wctx);
622
92
    if (ret < 0)
623
        goto fail;
624
625
92
    return 0;
626
627
fail:
628
    writer_close(wctx);
629
    return ret;
630
}
631
632
8290
static inline void writer_print_section_header(WriterContext *wctx,
633
                                               int section_id)
634
{
635
    int parent_section_id;
636
8290
    wctx->level++;
637
8290
    av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
638
16580
    parent_section_id = wctx->level ?
639
8290
        (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
640
641
8290
    wctx->nb_item[wctx->level] = 0;
642
8290
    wctx->section[wctx->level] = &wctx->sections[section_id];
643
644
8290
    if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
645
4
        wctx->nb_section_packet = wctx->nb_section_frame =
646
4
        wctx->nb_section_packet_frame = 0;
647
8286
    } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
648
112
        wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
649
112
            wctx->nb_section_packet : wctx->nb_section_frame;
650
    }
651
652
8290
    if (wctx->writer->print_section_header)
653
8290
        wctx->writer->print_section_header(wctx);
654
8290
}
655
656
8290
static inline void writer_print_section_footer(WriterContext *wctx)
657
{
658
8290
    int section_id = wctx->section[wctx->level]->id;
659
16580
    int parent_section_id = wctx->level ?
660
8290
        wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
661
662
8290
    if (parent_section_id != SECTION_ID_NONE)
663
8198
        wctx->nb_item[wctx->level-1]++;
664
8290
    if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
665
112
        if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
666
56
        else                                     wctx->nb_section_frame++;
667
    }
668
8290
    if (wctx->writer->print_section_footer)
669
8206
        wctx->writer->print_section_footer(wctx);
670
8290
    wctx->level--;
671
8290
}
672
673
42519
static inline void writer_print_integer(WriterContext *wctx,
674
                                        const char *key, long long int val)
675
{
676
42519
    const struct section *section = wctx->section[wctx->level];
677
678

42519
    if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
679
27524
        wctx->writer->print_integer(wctx, key, val);
680
27524
        wctx->nb_item[wctx->level]++;
681
    }
682
42519
}
683
684
5120
static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
685
{
686
    const uint8_t *p, *endp;
687
    AVBPrint dstbuf;
688
5120
    int invalid_chars_nb = 0, ret = 0;
689
690
5120
    av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
691
692
5120
    endp = src + strlen(src);
693
85778
    for (p = (uint8_t *)src; *p;) {
694
        uint32_t code;
695
80658
        int invalid = 0;
696
80658
        const uint8_t *p0 = p;
697
698
80658
        if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
699
            AVBPrint bp;
700
            av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
701
            bprint_bytes(&bp, p0, p-p0);
702
            av_log(wctx, AV_LOG_DEBUG,
703
                   "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
704
            invalid = 1;
705
        }
706
707
80658
        if (invalid) {
708
            invalid_chars_nb++;
709
710
            switch (wctx->string_validation) {
711
            case WRITER_STRING_VALIDATION_FAIL:
712
                av_log(wctx, AV_LOG_ERROR,
713
                       "Invalid UTF-8 sequence found in string '%s'\n", src);
714
                ret = AVERROR_INVALIDDATA;
715
                goto end;
716
                break;
717
718
            case WRITER_STRING_VALIDATION_REPLACE:
719
                av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
720
                break;
721
            }
722
80658
        }
723
724

80658
        if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
725
80658
            av_bprint_append_data(&dstbuf, p0, p-p0);
726
    }
727
728

5120
    if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
729
        av_log(wctx, AV_LOG_WARNING,
730
               "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
731
               invalid_chars_nb, src, wctx->string_validation_replacement);
732
    }
733
734
5120
end:
735
5120
    av_bprint_finalize(&dstbuf, dstp);
736
5120
    return ret;
737
}
738
739
#define PRINT_STRING_OPT      1
740
#define PRINT_STRING_VALIDATE 2
741
742
61527
static inline int writer_print_string(WriterContext *wctx,
743
                                      const char *key, const char *val, int flags)
744
{
745
61527
    const struct section *section = wctx->section[wctx->level];
746
61527
    int ret = 0;
747
748
61527
    if ((flags & PRINT_STRING_OPT)
749
4658
        && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
750
164
        return 0;
751
752

61363
    if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
753
21861
        if (flags & PRINT_STRING_VALIDATE) {
754
2560
            char *key1 = NULL, *val1 = NULL;
755
2560
            ret = validate_string(wctx, &key1, key);
756
2560
            if (ret < 0) goto end;
757
2560
            ret = validate_string(wctx, &val1, val);
758
2560
            if (ret < 0) goto end;
759
2560
            wctx->writer->print_string(wctx, key1, val1);
760
2560
        end:
761
2560
            if (ret < 0) {
762
                av_log(wctx, AV_LOG_ERROR,
763
                       "Invalid key=value string combination %s=%s in section %s\n",
764
                       key, val, section->unique_name);
765
            }
766
2560
            av_free(key1);
767
2560
            av_free(val1);
768
        } else {
769
19301
            wctx->writer->print_string(wctx, key, val);
770
        }
771
772
21861
        wctx->nb_item[wctx->level]++;
773
    }
774
775
61363
    return ret;
776
}
777
778
987
static inline void writer_print_rational(WriterContext *wctx,
779
                                         const char *key, AVRational q, char sep)
780
{
781
    AVBPrint buf;
782
987
    av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
783
987
    av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
784
987
    writer_print_string(wctx, key, buf.str, 0);
785
987
}
786
787
23193
static void writer_print_time(WriterContext *wctx, const char *key,
788
                              int64_t ts, const AVRational *time_base, int is_duration)
789
{
790
    char buf[128];
791
792


23193
    if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
793
583
        writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
794
    } else {
795
22610
        double d = ts * av_q2d(*time_base);
796
        struct unit_value uv;
797
22610
        uv.val.d = d;
798
22610
        uv.unit = unit_second_str;
799
22610
        value_string(buf, sizeof(buf), uv);
800
22610
        writer_print_string(wctx, key, buf, 0);
801
    }
802
23193
}
803
804
23109
static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
805
{
806


23109
    if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
807
582
        writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
808
    } else {
809
22527
        writer_print_integer(wctx, key, ts);
810
    }
811
23109
}
812
813
static void writer_print_data(WriterContext *wctx, const char *name,
814
                              uint8_t *data, int size)
815
{
816
    AVBPrint bp;
817
    int offset = 0, l, i;
818
819
    av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
820
    av_bprintf(&bp, "\n");
821
    while (size) {
822
        av_bprintf(&bp, "%08x: ", offset);
823
        l = FFMIN(size, 16);
824
        for (i = 0; i < l; i++) {
825
            av_bprintf(&bp, "%02x", data[i]);
826
            if (i & 1)
827
                av_bprintf(&bp, " ");
828
        }
829
        av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
830
        for (i = 0; i < l; i++)
831
            av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
832
        av_bprintf(&bp, "\n");
833
        offset += l;
834
        data   += l;
835
        size   -= l;
836
    }
837
    writer_print_string(wctx, name, bp.str, 0);
838
    av_bprint_finalize(&bp, NULL);
839
}
840
841
3705
static void writer_print_data_hash(WriterContext *wctx, const char *name,
842
                                   uint8_t *data, int size)
843
{
844
3705
    char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
845
846
3705
    if (!hash)
847
3701
        return;
848
4
    av_hash_init(hash);
849
4
    av_hash_update(hash, data, size);
850
4
    snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
851
4
    p = buf + strlen(buf);
852
4
    av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
853
4
    writer_print_string(wctx, name, buf, 0);
854
}
855
856
2
static void writer_print_integers(WriterContext *wctx, const char *name,
857
                                  uint8_t *data, int size, const char *format,
858
                                  int columns, int bytes, int offset_add)
859
{
860
    AVBPrint bp;
861
2
    int offset = 0, l, i;
862
863
2
    av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
864
2
    av_bprintf(&bp, "\n");
865
8
    while (size) {
866
6
        av_bprintf(&bp, "%08x: ", offset);
867
6
        l = FFMIN(size, columns);
868
24
        for (i = 0; i < l; i++) {
869
18
            if      (bytes == 1) av_bprintf(&bp, format, *data);
870
18
            else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
871
18
            else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
872
18
            data += bytes;
873
18
            size --;
874
        }
875
6
        av_bprintf(&bp, "\n");
876
6
        offset += offset_add;
877
    }
878
2
    writer_print_string(wctx, name, bp.str, 0);
879
2
    av_bprint_finalize(&bp, NULL);
880
2
}
881
882
#define MAX_REGISTERED_WRITERS_NB 64
883
884
static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
885
886
644
static int writer_register(const Writer *writer)
887
{
888
    static int next_registered_writer_idx = 0;
889
890
644
    if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
891
        return AVERROR(ENOMEM);
892
893
644
    registered_writers[next_registered_writer_idx++] = writer;
894
644
    return 0;
895
}
896
897
92
static const Writer *writer_get_by_name(const char *name)
898
{
899
    int i;
900
901
141
    for (i = 0; registered_writers[i]; i++)
902
141
        if (!strcmp(registered_writers[i]->name, name))
903
92
            return registered_writers[i];
904
905
    return NULL;
906
}
907
908
909
/* WRITERS */
910
911
#define DEFINE_WRITER_CLASS(name)                   \
912
static const char *name##_get_name(void *ctx)       \
913
{                                                   \
914
    return #name ;                                  \
915
}                                                   \
916
static const AVClass name##_class = {               \
917
    .class_name = #name,                            \
918
    .item_name  = name##_get_name,                  \
919
    .option     = name##_options                    \
920
}
921
922
/* Default output */
923
924
typedef struct DefaultContext {
925
    const AVClass *class;
926
    int nokey;
927
    int noprint_wrappers;
928
    int nested_section[SECTION_MAX_NB_LEVELS];
929
} DefaultContext;
930
931
#undef OFFSET
932
#define OFFSET(x) offsetof(DefaultContext, x)
933
934
static const AVOption default_options[] = {
935
    { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
936
    { "nw",               "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
937
    { "nokey",          "force no key printing",     OFFSET(nokey),          AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
938
    { "nk",             "force no key printing",     OFFSET(nokey),          AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
939
    {NULL},
940
};
941
942
DEFINE_WRITER_CLASS(default);
943
944
/* lame uppercasing routine, assumes the string is lower case ASCII */
945
2477
static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
946
{
947
    int i;
948

18086
    for (i = 0; src[i] && i < dst_size-1; i++)
949
15609
        dst[i] = av_toupper(src[i]);
950
2477
    dst[i] = 0;
951
2477
    return dst;
952
}
953
954
1550
static void default_print_section_header(WriterContext *wctx)
955
{
956
1550
    DefaultContext *def = wctx->priv;
957
    char buf[32];
958
1550
    const struct section *section = wctx->section[wctx->level];
959
3100
    const struct section *parent_section = wctx->level ?
960
1550
        wctx->section[wctx->level-1] : NULL;
961
962
1550
    av_bprint_clear(&wctx->section_pbuf[wctx->level]);
963
1550
    if (parent_section &&
964
1492
        !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
965
329
        def->nested_section[wctx->level] = 1;
966
329
        av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
967
329
                   wctx->section_pbuf[wctx->level-1].str,
968
                   upcase_string(buf, sizeof(buf),
969
329
                                 av_x_if_null(section->element_name, section->name)));
970
    }
971
972

1550
    if (def->noprint_wrappers || def->nested_section[wctx->level])
973
337
        return;
974
975
1213
    if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
976
1074
        printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
977
}
978
979
1550
static void default_print_section_footer(WriterContext *wctx)
980
{
981
1550
    DefaultContext *def = wctx->priv;
982
1550
    const struct section *section = wctx->section[wctx->level];
983
    char buf[32];
984
985

1550
    if (def->noprint_wrappers || def->nested_section[wctx->level])
986
337
        return;
987
988
1213
    if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
989
1074
        printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
990
}
991
992
7151
static void default_print_str(WriterContext *wctx, const char *key, const char *value)
993
{
994
7151
    DefaultContext *def = wctx->priv;
995
996
7151
    if (!def->nokey)
997
7147
        printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
998
7151
    printf("%s\n", value);
999
7151
}
1000
1001
4364
static void default_print_int(WriterContext *wctx, const char *key, long long int value)
1002
{
1003
4364
    DefaultContext *def = wctx->priv;
1004
1005
4364
    if (!def->nokey)
1006
4364
        printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1007
4364
    printf("%lld\n", value);
1008
4364
}
1009
1010
static const Writer default_writer = {
1011
    .name                  = "default",
1012
    .priv_size             = sizeof(DefaultContext),
1013
    .print_section_header  = default_print_section_header,
1014
    .print_section_footer  = default_print_section_footer,
1015
    .print_integer         = default_print_int,
1016
    .print_string          = default_print_str,
1017
    .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1018
    .priv_class            = &default_class,
1019
};
1020
1021
/* Compact output */
1022
1023
/**
1024
 * Apply C-language-like string escaping.
1025
 */
1026
13064
static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1027
{
1028
    const char *p;
1029
1030
82146
    for (p = src; *p; p++) {
1031

69082
        switch (*p) {
1032
        case '\b': av_bprintf(dst, "%s", "\\b");  break;
1033
        case '\f': av_bprintf(dst, "%s", "\\f");  break;
1034
4
        case '\n': av_bprintf(dst, "%s", "\\n");  break;
1035
        case '\r': av_bprintf(dst, "%s", "\\r");  break;
1036
        case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1037
69078
        default:
1038
69078
            if (*p == sep)
1039
                av_bprint_chars(dst, '\\', 1);
1040
69078
            av_bprint_chars(dst, *p, 1);
1041
        }
1042
    }
1043
13064
    return dst->str;
1044
}
1045
1046
/**
1047
 * Quote fields containing special characters, check RFC4180.
1048
 */
1049
362
static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1050
{
1051
362
    char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
1052
362
    int needs_quoting = !!src[strcspn(src, meta_chars)];
1053
1054
362
    if (needs_quoting)
1055
1
        av_bprint_chars(dst, '"', 1);
1056
1057
2674
    for (; *src; src++) {
1058
2312
        if (*src == '"')
1059
2
            av_bprint_chars(dst, '"', 1);
1060
2312
        av_bprint_chars(dst, *src, 1);
1061
    }
1062
362
    if (needs_quoting)
1063
1
        av_bprint_chars(dst, '"', 1);
1064
362
    return dst->str;
1065
}
1066
1067
static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1068
{
1069
    return src;
1070
}
1071
1072
typedef struct CompactContext {
1073
    const AVClass *class;
1074
    char *item_sep_str;
1075
    char item_sep;
1076
    int nokey;
1077
    int print_section;
1078
    char *escape_mode_str;
1079
    const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
1080
    int nested_section[SECTION_MAX_NB_LEVELS];
1081
    int has_nested_elems[SECTION_MAX_NB_LEVELS];
1082
    int terminate_line[SECTION_MAX_NB_LEVELS];
1083
} CompactContext;
1084
1085
#undef OFFSET
1086
#define OFFSET(x) offsetof(CompactContext, x)
1087
1088
static const AVOption compact_options[]= {
1089
    {"item_sep", "set item separator",    OFFSET(item_sep_str),    AV_OPT_TYPE_STRING, {.str="|"},  0, 0 },
1090
    {"s",        "set item separator",    OFFSET(item_sep_str),    AV_OPT_TYPE_STRING, {.str="|"},  0, 0 },
1091
    {"nokey",    "force no key printing", OFFSET(nokey),           AV_OPT_TYPE_BOOL,   {.i64=0},    0,        1        },
1092
    {"nk",       "force no key printing", OFFSET(nokey),           AV_OPT_TYPE_BOOL,   {.i64=0},    0,        1        },
1093
    {"escape",   "set escape mode",       OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"},  0, 0 },
1094
    {"e",        "set escape mode",       OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"},  0, 0 },
1095
    {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },
1096
    {"p",             "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },
1097
    {NULL},
1098
};
1099
1100
DEFINE_WRITER_CLASS(compact);
1101
1102
30
static av_cold int compact_init(WriterContext *wctx)
1103
{
1104
30
    CompactContext *compact = wctx->priv;
1105
1106
30
    if (strlen(compact->item_sep_str) != 1) {
1107
        av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1108
               compact->item_sep_str);
1109
        return AVERROR(EINVAL);
1110
    }
1111
30
    compact->item_sep = compact->item_sep_str[0];
1112
1113
30
    if      (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
1114
30
    else if (!strcmp(compact->escape_mode_str, "c"   )) compact->escape_str = c_escape_str;
1115
1
    else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
1116
    else {
1117
        av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
1118
        return AVERROR(EINVAL);
1119
    }
1120
1121
30
    return 0;
1122
}
1123
1124
6572
static void compact_print_section_header(WriterContext *wctx)
1125
{
1126
6572
    CompactContext *compact = wctx->priv;
1127
6572
    const struct section *section = wctx->section[wctx->level];
1128
13144
    const struct section *parent_section = wctx->level ?
1129
6572
        wctx->section[wctx->level-1] : NULL;
1130
6572
    compact->terminate_line[wctx->level] = 1;
1131
6572
    compact->has_nested_elems[wctx->level] = 0;
1132
1133
6572
    av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1134

6572
    if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
1135
6324
        !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1136
462
        compact->nested_section[wctx->level] = 1;
1137
462
        compact->has_nested_elems[wctx->level-1] = 1;
1138
462
        av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1139
462
                   wctx->section_pbuf[wctx->level-1].str,
1140
462
                   (char *)av_x_if_null(section->element_name, section->name));
1141
462
        wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
1142
    } else {
1143

6110
        if (parent_section && compact->has_nested_elems[wctx->level-1] &&
1144
32
            (section->flags & SECTION_FLAG_IS_ARRAY)) {
1145
32
            compact->terminate_line[wctx->level-1] = 0;
1146
32
            printf("\n");
1147
        }
1148
6110
        if (compact->print_section &&
1149
4894
            !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1150
4774
            printf("%s%c", section->name, compact->item_sep);
1151
    }
1152
6572
}
1153
1154
6572
static void compact_print_section_footer(WriterContext *wctx)
1155
{
1156
6572
    CompactContext *compact = wctx->priv;
1157
1158
6572
    if (!compact->nested_section[wctx->level] &&
1159
6078
        compact->terminate_line[wctx->level] &&
1160
6046
        !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1161
5830
        printf("\n");
1162
6572
}
1163
1164
13426
static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
1165
{
1166
13426
    CompactContext *compact = wctx->priv;
1167
    AVBPrint buf;
1168
1169
13426
    if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1170
13426
    if (!compact->nokey)
1171
10548
        printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1172
13426
    av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1173
13426
    printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
1174
13426
    av_bprint_finalize(&buf, NULL);
1175
13426
}
1176
1177
22016
static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1178
{
1179
22016
    CompactContext *compact = wctx->priv;
1180
1181
22016
    if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1182
22016
    if (!compact->nokey)
1183
20308
        printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1184
22016
    printf("%lld", value);
1185
22016
}
1186
1187
static const Writer compact_writer = {
1188
    .name                 = "compact",
1189
    .priv_size            = sizeof(CompactContext),
1190
    .init                 = compact_init,
1191
    .print_section_header = compact_print_section_header,
1192
    .print_section_footer = compact_print_section_footer,
1193
    .print_integer        = compact_print_int,
1194
    .print_string         = compact_print_str,
1195
    .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1196
    .priv_class           = &compact_class,
1197
};
1198
1199
/* CSV output */
1200
1201
#undef OFFSET
1202
#define OFFSET(x) offsetof(CompactContext, x)
1203
1204
static const AVOption csv_options[] = {
1205
    {"item_sep", "set item separator",    OFFSET(item_sep_str),    AV_OPT_TYPE_STRING, {.str=","},  0, 0 },
1206
    {"s",        "set item separator",    OFFSET(item_sep_str),    AV_OPT_TYPE_STRING, {.str=","},  0, 0 },
1207
    {"nokey",    "force no key printing", OFFSET(nokey),           AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },
1208
    {"nk",       "force no key printing", OFFSET(nokey),           AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },
1209
    {"escape",   "set escape mode",       OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },
1210
    {"e",        "set escape mode",       OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },
1211
    {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },
1212
    {"p",             "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },
1213
    {NULL},
1214
};
1215
1216
DEFINE_WRITER_CLASS(csv);
1217
1218
static const Writer csv_writer = {
1219
    .name                 = "csv",
1220
    .priv_size            = sizeof(CompactContext),
1221
    .init                 = compact_init,
1222
    .print_section_header = compact_print_section_header,
1223
    .print_section_footer = compact_print_section_footer,
1224
    .print_integer        = compact_print_int,
1225
    .print_string         = compact_print_str,
1226
    .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1227
    .priv_class           = &csv_class,
1228
};
1229
1230
/* Flat output */
1231
1232
typedef struct FlatContext {
1233
    const AVClass *class;
1234
    const char *sep_str;
1235
    char sep;
1236
    int hierarchical;
1237
} FlatContext;
1238
1239
#undef OFFSET
1240
#define OFFSET(x) offsetof(FlatContext, x)
1241
1242
static const AVOption flat_options[]= {
1243
    {"sep_char", "set separator",    OFFSET(sep_str),    AV_OPT_TYPE_STRING, {.str="."},  0, 0 },
1244
    {"s",        "set separator",    OFFSET(sep_str),    AV_OPT_TYPE_STRING, {.str="."},  0, 0 },
1245
    {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1246
    {"h",            "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1247
    {NULL},
1248
};
1249
1250
DEFINE_WRITER_CLASS(flat);
1251
1252
1
static av_cold int flat_init(WriterContext *wctx)
1253
{
1254
1
    FlatContext *flat = wctx->priv;
1255
1256
1
    if (strlen(flat->sep_str) != 1) {
1257
        av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1258
               flat->sep_str);
1259
        return AVERROR(EINVAL);
1260
    }
1261
1
    flat->sep = flat->sep_str[0];
1262
1263
1
    return 0;
1264
}
1265
1266
362
static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1267
{
1268
    const char *p;
1269
1270
4289
    for (p = src; *p; p++) {
1271

3927
        if (!((*p >= '0' && *p <= '9') ||
1272

3926
              (*p >= 'a' && *p <= 'z') ||
1273

407
              (*p >= 'A' && *p <= 'Z')))
1274
406
            av_bprint_chars(dst, '_', 1);
1275
        else
1276
3521
            av_bprint_chars(dst, *p, 1);
1277
    }
1278
362
    return dst->str;
1279
}
1280
1281
362
static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1282
{
1283
    const char *p;
1284
1285
2674
    for (p = src; *p; p++) {
1286

2312
        switch (*p) {
1287
        case '\n': av_bprintf(dst, "%s", "\\n");  break;
1288
        case '\r': av_bprintf(dst, "%s", "\\r");  break;
1289
        case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1290
2
        case '"':  av_bprintf(dst, "%s", "\\\""); break;
1291
        case '`':  av_bprintf(dst, "%s", "\\`");  break;
1292
        case '$':  av_bprintf(dst, "%s", "\\$");  break;
1293
2310
        default:   av_bprint_chars(dst, *p, 1);   break;
1294
        }
1295
    }
1296
362
    return dst->str;
1297
}
1298
1299
42
static void flat_print_section_header(WriterContext *wctx)
1300
{
1301
42
    FlatContext *flat = wctx->priv;
1302
42
    AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1303
42
    const struct section *section = wctx->section[wctx->level];
1304
84
    const struct section *parent_section = wctx->level ?
1305
42
        wctx->section[wctx->level-1] : NULL;
1306
1307
    /* build section header */
1308
42
    av_bprint_clear(buf);
1309
42
    if (!parent_section)
1310
1
        return;
1311
41
    av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1312
1313
41
    if (flat->hierarchical ||
1314
        !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1315
41
        av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1316
1317
41
        if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1318
62
            int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1319
31
                wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1320
31
            av_bprintf(buf, "%d%s", n, flat->sep_str);
1321
        }
1322
    }
1323
}
1324
1325
286
static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1326
{
1327
286
    printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1328
286
}
1329
1330
362
static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1331
{
1332
362
    FlatContext *flat = wctx->priv;
1333
    AVBPrint buf;
1334
1335
362
    printf("%s", wctx->section_pbuf[wctx->level].str);
1336
362
    av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1337
362
    printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1338
362
    av_bprint_clear(&buf);
1339
362
    printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1340
362
    av_bprint_finalize(&buf, NULL);
1341
362
}
1342
1343
static const Writer flat_writer = {
1344
    .name                  = "flat",
1345
    .priv_size             = sizeof(FlatContext),
1346
    .init                  = flat_init,
1347
    .print_section_header  = flat_print_section_header,
1348
    .print_integer         = flat_print_int,
1349
    .print_string          = flat_print_str,
1350
    .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1351
    .priv_class            = &flat_class,
1352
};
1353
1354
/* INI format output */
1355
1356
typedef struct INIContext {
1357
    const AVClass *class;
1358
    int hierarchical;
1359
} INIContext;
1360
1361
#undef OFFSET
1362
#define OFFSET(x) offsetof(INIContext, x)
1363
1364
static const AVOption ini_options[] = {
1365
    {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1366
    {"h",            "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1367
    {NULL},
1368
};
1369
1370
DEFINE_WRITER_CLASS(ini);
1371
1372
724
static char *ini_escape_str(AVBPrint *dst, const char *src)
1373
{
1374
724
    int i = 0;
1375
724
    char c = 0;
1376
1377
6963
    while (c = src[i++]) {
1378

6239
        switch (c) {
1379
        case '\b': av_bprintf(dst, "%s", "\\b"); break;
1380
        case '\f': av_bprintf(dst, "%s", "\\f"); break;
1381
        case '\n': av_bprintf(dst, "%s", "\\n"); break;
1382
        case '\r': av_bprintf(dst, "%s", "\\r"); break;
1383
        case '\t': av_bprintf(dst, "%s", "\\t"); break;
1384
14
        case '\\':
1385
        case '#' :
1386
        case '=' :
1387
14
        case ':' : av_bprint_chars(dst, '\\', 1);
1388
6239
        default:
1389
6239
            if ((unsigned char)c < 32)
1390
                av_bprintf(dst, "\\x00%02x", c & 0xff);
1391
            else
1392
6239
                av_bprint_chars(dst, c, 1);
1393
6239
            break;
1394
        }
1395
    }
1396
724
    return dst->str;
1397
}
1398
1399
42
static void ini_print_section_header(WriterContext *wctx)
1400
{
1401
42
    INIContext *ini = wctx->priv;
1402
42
    AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1403
42
    const struct section *section = wctx->section[wctx->level];
1404
84
    const struct section *parent_section = wctx->level ?
1405
42
        wctx->section[wctx->level-1] : NULL;
1406
1407
42
    av_bprint_clear(buf);
1408
42
    if (!parent_section) {
1409
1
        printf("# ffprobe output\n\n");
1410
1
        return;
1411
    }
1412
1413
41
    if (wctx->nb_item[wctx->level-1])
1414
38
        printf("\n");
1415
1416
41
    av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1417
41
    if (ini->hierarchical ||
1418
        !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1419
41
        av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1420
1421
41
        if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1422
62
            int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1423
31
                wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1424
31
            av_bprintf(buf, ".%d", n);
1425
        }
1426
    }
1427
1428
41
    if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1429
39
        printf("[%s]\n", buf->str);
1430
}
1431
1432
362
static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1433
{
1434
    AVBPrint buf;
1435
1436
362
    av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1437
362
    printf("%s=", ini_escape_str(&buf, key));
1438
362
    av_bprint_clear(&buf);
1439
362
    printf("%s\n", ini_escape_str(&buf, value));
1440
362
    av_bprint_finalize(&buf, NULL);
1441
362
}
1442
1443
286
static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1444
{
1445
286
    printf("%s=%lld\n", key, value);
1446
286
}
1447
1448
static const Writer ini_writer = {
1449
    .name                  = "ini",
1450
    .priv_size             = sizeof(INIContext),
1451
    .print_section_header  = ini_print_section_header,
1452
    .print_integer         = ini_print_int,
1453
    .print_string          = ini_print_str,
1454
    .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1455
    .priv_class            = &ini_class,
1456
};
1457
1458
/* JSON output */
1459
1460
typedef struct JSONContext {
1461
    const AVClass *class;
1462
    int indent_level;
1463
    int compact;
1464
    const char *item_sep, *item_start_end;
1465
} JSONContext;
1466
1467
#undef OFFSET
1468
#define OFFSET(x) offsetof(JSONContext, x)
1469
1470
static const AVOption json_options[]= {
1471
    { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1472
    { "c",       "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1473
    { NULL }
1474
};
1475
1476
DEFINE_WRITER_CLASS(json);
1477
1478
1
static av_cold int json_init(WriterContext *wctx)
1479
{
1480
1
    JSONContext *json = wctx->priv;
1481
1482
1
    json->item_sep       = json->compact ? ", " : ",\n";
1483
1
    json->item_start_end = json->compact ? " "  : "\n";
1484
1485
1
    return 0;
1486
}
1487
1488
887
static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1489
{
1490
    static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1491
    static const char json_subst[]  = {'"', '\\',  'b',  'f',  'n',  'r',  't', 0};
1492
    const char *p;
1493
1494
8757
    for (p = src; *p; p++) {
1495
7870
        char *s = strchr(json_escape, *p);
1496
7870
        if (s) {
1497
2
            av_bprint_chars(dst, '\\', 1);
1498
2
            av_bprint_chars(dst, json_subst[s - json_escape], 1);
1499
7868
        } else if ((unsigned char)*p < 32) {
1500
            av_bprintf(dst, "\\u00%02x", *p & 0xff);
1501
        } else {
1502
7868
            av_bprint_chars(dst, *p, 1);
1503
        }
1504
    }
1505
887
    return dst->str;
1506
}
1507
1508
#define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1509
1510
42
static void json_print_section_header(WriterContext *wctx)
1511
{
1512
42
    JSONContext *json = wctx->priv;
1513
    AVBPrint buf;
1514
42
    const struct section *section = wctx->section[wctx->level];
1515
84
    const struct section *parent_section = wctx->level ?
1516
42
        wctx->section[wctx->level-1] : NULL;
1517
1518

42
    if (wctx->level && wctx->nb_item[wctx->level-1])
1519
38
        printf(",\n");
1520
1521
42
    if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1522
1
        printf("{\n");
1523
1
        json->indent_level++;
1524
    } else {
1525
41
        av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1526
41
        json_escape_str(&buf, section->name, wctx);
1527
41
        JSON_INDENT();
1528
1529
41
        json->indent_level++;
1530
41
        if (section->flags & SECTION_FLAG_IS_ARRAY) {
1531
2
            printf("\"%s\": [\n", buf.str);
1532

39
        } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1533
8
            printf("\"%s\": {%s", buf.str, json->item_start_end);
1534
        } else {
1535
31
            printf("{%s", json->item_start_end);
1536
1537
            /* this is required so the parser can distinguish between packets and frames */
1538

31
            if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1539
28
                if (!json->compact)
1540
28
                    JSON_INDENT();
1541
28
                printf("\"type\": \"%s\"", section->name);
1542
            }
1543
        }
1544
41
        av_bprint_finalize(&buf, NULL);
1545
    }
1546
42
}
1547
1548
42
static void json_print_section_footer(WriterContext *wctx)
1549
{
1550
42
    JSONContext *json = wctx->priv;
1551
42
    const struct section *section = wctx->section[wctx->level];
1552
1553
42
    if (wctx->level == 0) {
1554
1
        json->indent_level--;
1555
1
        printf("\n}\n");
1556
41
    } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1557
2
        printf("\n");
1558
2
        json->indent_level--;
1559
2
        JSON_INDENT();
1560
2
        printf("]");
1561
    } else {
1562
39
        printf("%s", json->item_start_end);
1563
39
        json->indent_level--;
1564
39
        if (!json->compact)
1565
39
            JSON_INDENT();
1566
39
        printf("}");
1567
    }
1568
42
}
1569
1570
280
static inline void json_print_item_str(WriterContext *wctx,
1571
                                       const char *key, const char *value)
1572
{
1573
    AVBPrint buf;
1574
1575
280
    av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1576
280
    printf("\"%s\":", json_escape_str(&buf, key,   wctx));
1577
280
    av_bprint_clear(&buf);
1578
280
    printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1579
280
    av_bprint_finalize(&buf, NULL);
1580
280
}
1581
1582
280
static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1583
{
1584
280
    JSONContext *json = wctx->priv;
1585
560
    const struct section *parent_section = wctx->level ?
1586
280
        wctx->section[wctx->level-1] : NULL;
1587
1588

280
    if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))
1589
275
        printf("%s", json->item_sep);
1590
280
    if (!json->compact)
1591
280
        JSON_INDENT();
1592
280
    json_print_item_str(wctx, key, value);
1593
280
}
1594
1595
286
static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1596
{
1597
286
    JSONContext *json = wctx->priv;
1598
572
    const struct section *parent_section = wctx->level ?
1599
286
        wctx->section[wctx->level-1] : NULL;
1600
    AVBPrint buf;
1601
1602

286
    if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))
1603
280
        printf("%s", json->item_sep);
1604
286
    if (!json->compact)
1605
286
        JSON_INDENT();
1606
1607
286
    av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1608
286
    printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1609
286
    av_bprint_finalize(&buf, NULL);
1610
286
}
1611
1612
static const Writer json_writer = {
1613
    .name                 = "json",
1614
    .priv_size            = sizeof(JSONContext),
1615
    .init                 = json_init,
1616
    .print_section_header = json_print_section_header,
1617
    .print_section_footer = json_print_section_footer,
1618
    .print_integer        = json_print_int,
1619
    .print_string         = json_print_str,
1620
    .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1621
    .priv_class           = &json_class,
1622
};
1623
1624
/* XML output */
1625
1626
typedef struct XMLContext {
1627
    const AVClass *class;
1628
    int within_tag;
1629
    int indent_level;
1630
    int fully_qualified;
1631
    int xsd_strict;
1632
} XMLContext;
1633
1634
#undef OFFSET
1635
#define OFFSET(x) offsetof(XMLContext, x)
1636
1637
static const AVOption xml_options[] = {
1638
    {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0},  0, 1 },
1639
    {"q",               "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0},  0, 1 },
1640
    {"xsd_strict",      "ensure that the output is XSD compliant",         OFFSET(xsd_strict),      AV_OPT_TYPE_BOOL, {.i64=0},  0, 1 },
1641
    {"x",               "ensure that the output is XSD compliant",         OFFSET(xsd_strict),      AV_OPT_TYPE_BOOL, {.i64=0},  0, 1 },
1642
    {NULL},
1643
};
1644
1645
DEFINE_WRITER_CLASS(xml);
1646
1647
1
static av_cold int xml_init(WriterContext *wctx)
1648
{
1649
1
    XMLContext *xml = wctx->priv;
1650
1651
1
    if (xml->xsd_strict) {
1652
        xml->fully_qualified = 1;
1653
#define CHECK_COMPLIANCE(opt, opt_name)                                 \
1654
        if (opt) {                                                      \
1655
            av_log(wctx, AV_LOG_ERROR,                                  \
1656
                   "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1657
                   "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1658
            return AVERROR(EINVAL);                                     \
1659
        }
1660
        CHECK_COMPLIANCE(show_private_data, "private");
1661
        CHECK_COMPLIANCE(show_value_unit,   "unit");
1662
        CHECK_COMPLIANCE(use_value_prefix,  "prefix");
1663
    }
1664
1665
1
    return 0;
1666
}
1667
1668
#define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1669
1670
42
static void xml_print_section_header(WriterContext *wctx)
1671
{
1672
42
    XMLContext *xml = wctx->priv;
1673
42
    const struct section *section = wctx->section[wctx->level];
1674
84
    const struct section *parent_section = wctx->level ?
1675
42
        wctx->section[wctx->level-1] : NULL;
1676
1677
42
    if (wctx->level == 0) {
1678
1
        const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1679
            "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1680
            "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1681
1682
1
        printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1683
2
        printf("<%sffprobe%s>\n",
1684
1
               xml->fully_qualified ? "ffprobe:" : "",
1685
1
               xml->fully_qualified ? qual : "");
1686
1
        return;
1687
    }
1688
1689
41
    if (xml->within_tag) {
1690
4
        xml->within_tag = 0;
1691
4
        printf(">\n");
1692
    }
1693
41
    if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1694
4
        xml->indent_level++;
1695
    } else {
1696

37
        if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1697

3
            wctx->level && wctx->nb_item[wctx->level-1])
1698
2
            printf("\n");
1699
37
        xml->indent_level++;
1700
1701
37
        if (section->flags & SECTION_FLAG_IS_ARRAY) {
1702
2
            XML_INDENT(); printf("<%s>\n", section->name);
1703
        } else {
1704
35
            XML_INDENT(); printf("<%s ", section->name);
1705
35
            xml->within_tag = 1;
1706
        }
1707
    }
1708
}
1709
1710
42
static void xml_print_section_footer(WriterContext *wctx)
1711
{
1712
42
    XMLContext *xml = wctx->priv;
1713
42
    const struct section *section = wctx->section[wctx->level];
1714
1715
42
    if (wctx->level == 0) {
1716
1
        printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1717
41
    } else if (xml->within_tag) {
1718
31
        xml->within_tag = 0;
1719
31
        printf("/>\n");
1720
31
        xml->indent_level--;
1721
10
    } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1722
4
        xml->indent_level--;
1723
    } else {
1724
6
        XML_INDENT(); printf("</%s>\n", section->name);
1725
6
        xml->indent_level--;
1726
    }
1727
42
}
1728
1729
280
static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1730
{
1731
    AVBPrint buf;
1732
280
    XMLContext *xml = wctx->priv;
1733
280
    const struct section *section = wctx->section[wctx->level];
1734
1735
280
    av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1736
1737
280
    if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1738
9
        XML_INDENT();
1739
9
        av_bprint_escape(&buf, key, NULL,
1740
                         AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1741
9
        printf("<%s key=\"%s\"",
1742
               section->element_name, buf.str);
1743
9
        av_bprint_clear(&buf);
1744
1745
9
        av_bprint_escape(&buf, value, NULL,
1746
                         AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1747
9
        printf(" value=\"%s\"/>\n", buf.str);
1748
    } else {
1749
271
        if (wctx->nb_item[wctx->level])
1750
242
            printf(" ");
1751
1752
271
        av_bprint_escape(&buf, value, NULL,
1753
                         AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1754
271
        printf("%s=\"%s\"", key, buf.str);
1755
    }
1756
1757
280
    av_bprint_finalize(&buf, NULL);
1758
280
}
1759
1760
286
static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1761
{
1762
286
    if (wctx->nb_item[wctx->level])
1763
280
        printf(" ");
1764
286
    printf("%s=\"%lld\"", key, value);
1765
286
}
1766
1767
static Writer xml_writer = {
1768
    .name                 = "xml",
1769
    .priv_size            = sizeof(XMLContext),
1770
    .init                 = xml_init,
1771
    .print_section_header = xml_print_section_header,
1772
    .print_section_footer = xml_print_section_footer,
1773
    .print_integer        = xml_print_int,
1774
    .print_string         = xml_print_str,
1775
    .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1776
    .priv_class           = &xml_class,
1777
};
1778
1779
92
static void writer_register_all(void)
1780
{
1781
    static int initialized;
1782
1783
92
    if (initialized)
1784
        return;
1785
92
    initialized = 1;
1786
1787
92
    writer_register(&default_writer);
1788
92
    writer_register(&compact_writer);
1789
92
    writer_register(&csv_writer);
1790
92
    writer_register(&flat_writer);
1791
92
    writer_register(&ini_writer);
1792
92
    writer_register(&json_writer);
1793
92
    writer_register(&xml_writer);
1794
}
1795
1796
#define print_fmt(k, f, ...) do {              \
1797
    av_bprint_clear(&pbuf);                    \
1798
    av_bprintf(&pbuf, f, __VA_ARGS__);         \
1799
    writer_print_string(w, k, pbuf.str, 0);    \
1800
} while (0)
1801
1802
#define print_int(k, v)         writer_print_integer(w, k, v)
1803
#define print_q(k, v, s)        writer_print_rational(w, k, v, s)
1804
#define print_str(k, v)         writer_print_string(w, k, v, 0)
1805
#define print_str_opt(k, v)     writer_print_string(w, k, v, PRINT_STRING_OPT)
1806
#define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1807
#define print_time(k, v, tb)    writer_print_time(w, k, v, tb, 0)
1808
#define print_ts(k, v)          writer_print_ts(w, k, v, 0)
1809
#define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1810
#define print_duration_ts(k, v)       writer_print_ts(w, k, v, 1)
1811
#define print_val(k, v, u) do {                                     \
1812
    struct unit_value uv;                                           \
1813
    uv.val.i = v;                                                   \
1814
    uv.unit = u;                                                    \
1815
    writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1816
} while (0)
1817
1818
#define print_section_header(s) writer_print_section_header(w, s)
1819
#define print_section_footer(s) writer_print_section_footer(w, s)
1820
1821
#define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n)                        \
1822
{                                                                       \
1823
    ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr)));           \
1824
    if (ret < 0)                                                        \
1825
        goto end;                                                       \
1826
    memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1827
}
1828
1829
1270
static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1830
{
1831
1270
    AVDictionaryEntry *tag = NULL;
1832
1270
    int ret = 0;
1833
1834
1270
    if (!tags)
1835
637
        return 0;
1836
633
    writer_print_section_header(w, section_id);
1837
1838
3194
    while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1839
2561
        if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1840
            break;
1841
    }
1842
633
    writer_print_section_footer(w);
1843
1844
633
    return ret;
1845
}
1846
1847
1
static void print_dynamic_hdr10_plus(WriterContext *w, const AVDynamicHDRPlus *metadata)
1848
{
1849
1
    if (!metadata)
1850
        return;
1851
1
    print_int("application version", metadata->application_version);
1852
1
    print_int("num_windows", metadata->num_windows);
1853
1
    for (int n = 1; n < metadata->num_windows; n++) {
1854
        const AVHDRPlusColorTransformParams *params = &metadata->params[n];
1855
        print_q("window_upper_left_corner_x",
1856
                params->window_upper_left_corner_x,'/');
1857
        print_q("window_upper_left_corner_y",
1858
                params->window_upper_left_corner_y,'/');
1859
        print_q("window_lower_right_corner_x",
1860
                params->window_lower_right_corner_x,'/');
1861
        print_q("window_lower_right_corner_y",
1862
                params->window_lower_right_corner_y,'/');
1863
        print_q("window_upper_left_corner_x",
1864
                params->window_upper_left_corner_x,'/');
1865
        print_q("window_upper_left_corner_y",
1866
                params->window_upper_left_corner_y,'/');
1867
        print_int("center_of_ellipse_x",
1868
                  params->center_of_ellipse_x ) ;
1869
        print_int("center_of_ellipse_y",
1870
                  params->center_of_ellipse_y );
1871
        print_int("rotation_angle",
1872
                  params->rotation_angle);
1873
        print_int("semimajor_axis_internal_ellipse",
1874
                  params->semimajor_axis_internal_ellipse);
1875
        print_int("semimajor_axis_external_ellipse",
1876
                  params->semimajor_axis_external_ellipse);
1877
        print_int("semiminor_axis_external_ellipse",
1878
                  params->semiminor_axis_external_ellipse);
1879
        print_int("overlap_process_option",
1880
                  params->overlap_process_option);
1881
    }
1882
1
    print_q("targeted_system_display_maximum_luminance",
1883
            metadata->targeted_system_display_maximum_luminance,'/');
1884
1
    if (metadata->targeted_system_display_actual_peak_luminance_flag) {
1885
        print_int("num_rows_targeted_system_display_actual_peak_luminance",
1886
                  metadata->num_rows_targeted_system_display_actual_peak_luminance);
1887
        print_int("num_cols_targeted_system_display_actual_peak_luminance",
1888
                  metadata->num_cols_targeted_system_display_actual_peak_luminance);
1889
        for (int i = 0; i < metadata->num_rows_targeted_system_display_actual_peak_luminance; i++) {
1890
            for (int j = 0; j < metadata->num_cols_targeted_system_display_actual_peak_luminance; j++) {
1891
                print_q("targeted_system_display_actual_peak_luminance",
1892
                        metadata->targeted_system_display_actual_peak_luminance[i][j],'/');
1893
            }
1894
        }
1895
    }
1896
2
    for (int n = 0; n < metadata->num_windows; n++) {
1897
1
        const AVHDRPlusColorTransformParams *params = &metadata->params[n];
1898
4
        for (int i = 0; i < 3; i++) {
1899
3
            print_q("maxscl",params->maxscl[i],'/');
1900
        }
1901
1
        print_q("average_maxrgb",
1902
                params->average_maxrgb,'/');
1903
1
        print_int("num_distribution_maxrgb_percentiles",
1904
                  params->num_distribution_maxrgb_percentiles);
1905
10
        for (int i = 0; i < params->num_distribution_maxrgb_percentiles; i++) {
1906
9
            print_int("distribution_maxrgb_percentage",
1907
                      params->distribution_maxrgb[i].percentage);
1908
9
            print_q("distribution_maxrgb_percentile",
1909
                    params->distribution_maxrgb[i].percentile,'/');
1910
        }
1911
1
        print_q("fraction_bright_pixels",
1912
                params->fraction_bright_pixels,'/');
1913
    }
1914
1
    if (metadata->mastering_display_actual_peak_luminance_flag) {
1915
        print_int("num_rows_mastering_display_actual_peak_luminance",
1916
                  metadata->num_rows_mastering_display_actual_peak_luminance);
1917
        print_int("num_cols_mastering_display_actual_peak_luminance",
1918
                  metadata->num_cols_mastering_display_actual_peak_luminance);
1919
        for (int i = 0; i < metadata->num_rows_mastering_display_actual_peak_luminance; i++) {
1920
            for (int j = 0; j <  metadata->num_cols_mastering_display_actual_peak_luminance; j++) {
1921
                print_q("mastering_display_actual_peak_luminance",
1922
                        metadata->mastering_display_actual_peak_luminance[i][j],'/');
1923
            }
1924
        }
1925
    }
1926
1927
2
    for (int n = 0; n < metadata->num_windows; n++) {
1928
1
        const AVHDRPlusColorTransformParams *params = &metadata->params[n];
1929
1
        if (params->tone_mapping_flag) {
1930
1
            print_q("knee_point_x", params->knee_point_x,'/');
1931
1
            print_q("knee_point_y", params->knee_point_y,'/');
1932
1
            print_int("num_bezier_curve_anchors",
1933
                      params->num_bezier_curve_anchors );
1934
10
            for (int i = 0; i < params->num_bezier_curve_anchors; i++) {
1935
9
                print_q("bezier_curve_anchors",
1936
                        params->bezier_curve_anchors[i],'/');
1937
            }
1938
        }
1939
1
        if (params->color_saturation_mapping_flag) {
1940
            print_q("color_saturation_weight",
1941
                    params->color_saturation_weight,'/');
1942
        }
1943
    }
1944
}
1945
1946
212
static void print_pkt_side_data(WriterContext *w,
1947
                                AVCodecParameters *par,
1948
                                const AVPacketSideData *side_data,
1949
                                int nb_side_data,
1950
                                SectionID id_data_list,
1951
                                SectionID id_data)
1952
{
1953
    int i;
1954
1955
212
    writer_print_section_header(w, id_data_list);
1956
431
    for (i = 0; i < nb_side_data; i++) {
1957
219
        const AVPacketSideData *sd = &side_data[i];
1958
219
        const char *name = av_packet_side_data_name(sd->type);
1959
1960
219
        writer_print_section_header(w, id_data);
1961
219
        print_str("side_data_type", name ? name : "unknown");
1962

219
        if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1963
2
            writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1964
2
            print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1965
217
        } else if (sd->type == AV_PKT_DATA_STEREO3D) {
1966
5
            const AVStereo3D *stereo = (AVStereo3D *)sd->data;
1967
5
            print_str("type", av_stereo3d_type_name(stereo->type));
1968
5
            print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT));
1969
212
        } else if (sd->type == AV_PKT_DATA_SPHERICAL) {
1970
4
            const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
1971
4
            print_str("projection", av_spherical_projection_name(spherical->projection));
1972
4
            if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
1973
                print_int("padding", spherical->padding);
1974
4
            } else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
1975
                size_t l, t, r, b;
1976
4
                av_spherical_tile_bounds(spherical, par->width, par->height,
1977
                                         &l, &t, &r, &b);
1978
4
                print_int("bound_left", l);
1979
4
                print_int("bound_top", t);
1980
4
                print_int("bound_right", r);
1981
4
                print_int("bound_bottom", b);
1982
            }
1983
1984
4
            print_int("yaw", (double) spherical->yaw / (1 << 16));
1985
4
            print_int("pitch", (double) spherical->pitch / (1 << 16));
1986
4
            print_int("roll", (double) spherical->roll / (1 << 16));
1987

208
        } else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) {
1988
5
            print_int("skip_samples",    AV_RL32(sd->data));
1989
5
            print_int("discard_padding", AV_RL32(sd->data + 4));
1990
5
            print_int("skip_reason",     AV_RL8(sd->data + 8));
1991
5
            print_int("discard_reason",  AV_RL8(sd->data + 9));
1992
203
        } else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) {
1993
3
            AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
1994
1995
3
            if (metadata->has_primaries) {
1996
3
                print_q("red_x", metadata->display_primaries[0][0], '/');
1997
3
                print_q("red_y", metadata->display_primaries[0][1], '/');
1998
3
                print_q("green_x", metadata->display_primaries[1][0], '/');
1999
3
                print_q("green_y", metadata->display_primaries[1][1], '/');
2000
3
                print_q("blue_x", metadata->display_primaries[2][0], '/');
2001
3
                print_q("blue_y", metadata->display_primaries[2][1], '/');
2002
2003
3
                print_q("white_point_x", metadata->white_point[0], '/');
2004
3
                print_q("white_point_y", metadata->white_point[1], '/');
2005
            }
2006
2007
3
            if (metadata->has_luminance) {
2008
3
                print_q("min_luminance", metadata->min_luminance, '/');
2009
3
                print_q("max_luminance", metadata->max_luminance, '/');
2010
            }
2011
200
        } else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) {
2012
3
            AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
2013
3
            print_int("max_content", metadata->MaxCLL);
2014
3
            print_int("max_average", metadata->MaxFALL);
2015
197
        } else if (sd->type == AV_PKT_DATA_DOVI_CONF) {
2016
            AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)sd->data;
2017
            print_int("dv_version_major", dovi->dv_version_major);
2018
            print_int("dv_version_minor", dovi->dv_version_minor);
2019
            print_int("dv_profile", dovi->dv_profile);
2020
            print_int("dv_level", dovi->dv_level);
2021
            print_int("rpu_present_flag", dovi->rpu_present_flag);
2022
            print_int("el_present_flag", dovi->el_present_flag);
2023
            print_int("bl_present_flag", dovi->bl_present_flag);
2024
            print_int("dv_bl_signal_compatibility_id", dovi->dv_bl_signal_compatibility_id);
2025
        }
2026
219
        writer_print_section_footer(w);
2027
    }
2028
212
    writer_print_section_footer(w);
2029
212
}
2030
2031
512
static void print_color_range(WriterContext *w, enum AVColorRange color_range)
2032
{
2033
512
    const char *val = av_color_range_name(color_range);
2034

512
    if (!val || color_range == AVCOL_RANGE_UNSPECIFIED) {
2035
405
        print_str_opt("color_range", "unknown");
2036
    } else {
2037
107
        print_str("color_range", val);
2038
    }
2039
512
}
2040
2041
512
static void print_color_space(WriterContext *w, enum AVColorSpace color_space)
2042
{
2043
512
    const char *val = av_color_space_name(color_space);
2044

512
    if (!val || color_space == AVCOL_SPC_UNSPECIFIED) {
2045
425
        print_str_opt("color_space", "unknown");
2046
    } else {
2047
87
        print_str("color_space", val);
2048
    }
2049
512
}
2050
2051
512
static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries)
2052
{
2053
512
    const char *val = av_color_primaries_name(color_primaries);
2054

512
    if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) {
2055
432
        print_str_opt("color_primaries", "unknown");
2056
    } else {
2057
80
        print_str("color_primaries", val);
2058
    }
2059
512
}
2060
2061
512
static void print_color_trc(WriterContext *w, enum AVColorTransferCharacteristic color_trc)
2062
{
2063
512
    const char *val = av_color_transfer_name(color_trc);
2064

512
    if (!val || color_trc == AVCOL_TRC_UNSPECIFIED) {
2065
431
        print_str_opt("color_transfer", "unknown");
2066
    } else {
2067
81
        print_str("color_transfer", val);
2068
    }
2069
512
}
2070
2071
512
static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location)
2072
{
2073
512
    const char *val = av_chroma_location_name(chroma_location);
2074

512
    if (!val || chroma_location == AVCHROMA_LOC_UNSPECIFIED) {
2075
412
        print_str_opt("chroma_location", "unspecified");
2076
    } else {
2077
100
        print_str("chroma_location", val);
2078
    }
2079
512
}
2080
2081
2082
5958
static void clear_log(int need_lock)
2083
{
2084
    int i;
2085
2086
5958
    if (need_lock)
2087
5958
        pthread_mutex_lock(&log_mutex);
2088
5958
    for (i=0; i<log_buffer_size; i++) {
2089
        av_freep(&log_buffer[i].context_name);
2090
        av_freep(&log_buffer[i].parent_name);
2091
        av_freep(&log_buffer[i].log_message);
2092
    }
2093
5958
    log_buffer_size = 0;
2094
5958
    if(need_lock)
2095
5958
        pthread_mutex_unlock(&log_mutex);
2096
5958
}
2097
2098
static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
2099
{
2100
    int i;
2101
    pthread_mutex_lock(&log_mutex);
2102
    if (!log_buffer_size) {
2103
        pthread_mutex_unlock(&log_mutex);
2104
        return 0;
2105
    }
2106
    writer_print_section_header(w, section_ids);
2107
2108
    for (i=0; i<log_buffer_size; i++) {
2109
        if (log_buffer[i].log_level <= log_level) {
2110
            writer_print_section_header(w, section_id);
2111
            print_str("context", log_buffer[i].context_name);
2112
            print_int("level", log_buffer[i].log_level);
2113
            print_int("category", log_buffer[i].category);
2114
            if (log_buffer[i].parent_name) {
2115
                print_str("parent_context", log_buffer[i].parent_name);
2116
                print_int("parent_category", log_buffer[i].parent_category);
2117
            } else {
2118
                print_str_opt("parent_context", "N/A");
2119
                print_str_opt("parent_category", "N/A");
2120
            }
2121
            print_str("message", log_buffer[i].log_message);
2122
            writer_print_section_footer(w);
2123
        }
2124
    }
2125
    clear_log(0);
2126
    pthread_mutex_unlock(&log_mutex);
2127
2128
    writer_print_section_footer(w);
2129
2130
    return 0;
2131
}
2132
2133
3589
static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx)
2134
{
2135
    char val_str[128];
2136
3589
    AVStream *st = ifile->streams[pkt->stream_index].st;
2137
    AVBPrint pbuf;
2138
    const char *s;
2139
2140
3589
    av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2141
2142
3589
    writer_print_section_header(w, SECTION_ID_PACKET);
2143
2144
3589
    s = av_get_media_type_string(st->codecpar->codec_type);
2145
3589
    if (s) print_str    ("codec_type", s);
2146
    else   print_str_opt("codec_type", "unknown");
2147
3589
    print_int("stream_index",     pkt->stream_index);
2148
3589
    print_ts  ("pts",             pkt->pts);
2149
3589
    print_time("pts_time",        pkt->pts, &st->time_base);
2150
3589
    print_ts  ("dts",             pkt->dts);
2151
3589
    print_time("dts_time",        pkt->dts, &st->time_base);
2152
3589
    print_duration_ts("duration",        pkt->duration);
2153
3589
    print_duration_time("duration_time", pkt->duration, &st->time_base);
2154
3589
    print_val("size",             pkt->size, unit_byte_str);
2155
3589
    if (pkt->pos != -1) print_fmt    ("pos", "%"PRId64, pkt->pos);
2156
82
    else                print_str_opt("pos", "N/A");
2157

3589
    print_fmt("flags", "%c%c",      pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_',
2158
              pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_');
2159
2160
3589
    if (pkt->side_data_elems) {
2161
        int size;
2162
        const uint8_t *side_metadata;
2163
2164
200
        side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
2165

200
        if (side_metadata && size && do_show_packet_tags) {
2166
131
            AVDictionary *dict = NULL;
2167
131
            if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)
2168
131
                show_tags(w, dict, SECTION_ID_PACKET_TAGS);
2169
131
            av_dict_free(&dict);
2170
        }
2171
2172
200
        print_pkt_side_data(w, st->codecpar, pkt->side_data, pkt->side_data_elems,
2173
                            SECTION_ID_PACKET_SIDE_DATA_LIST,
2174
                            SECTION_ID_PACKET_SIDE_DATA);
2175
    }
2176
2177
3589
    if (do_show_data)
2178
        writer_print_data(w, "data", pkt->data, pkt->size);
2179
3589
    writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
2180
3589
    writer_print_section_footer(w);
2181
2182
3589
    av_bprint_finalize(&pbuf, NULL);
2183
3589
    fflush(stdout);
2184
3589
}
2185
2186
static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
2187
                          AVFormatContext *fmt_ctx)
2188
{
2189
    AVBPrint pbuf;
2190
2191
    av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2192
2193
    writer_print_section_header(w, SECTION_ID_SUBTITLE);
2194
2195
    print_str ("media_type",         "subtitle");
2196
    print_ts  ("pts",                 sub->pts);
2197
    print_time("pts_time",            sub->pts, &AV_TIME_BASE_Q);
2198
    print_int ("format",              sub->format);
2199
    print_int ("start_display_time",  sub->start_display_time);
2200
    print_int ("end_display_time",    sub->end_display_time);
2201
    print_int ("num_rects",           sub->num_rects);
2202
2203
    writer_print_section_footer(w);
2204
2205
    av_bprint_finalize(&pbuf, NULL);
2206
    fflush(stdout);
2207
}
2208
2209
3026
static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
2210
                       AVFormatContext *fmt_ctx)
2211
{
2212
    AVBPrint pbuf;
2213
    char val_str[128];
2214
    const char *s;
2215
    int i;
2216
2217
3026
    av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2218
2219
3026
    writer_print_section_header(w, SECTION_ID_FRAME);
2220
2221
3026
    s = av_get_media_type_string(stream->codecpar->codec_type);
2222
3026
    if (s) print_str    ("media_type", s);
2223
    else   print_str_opt("media_type", "unknown");
2224
3026
    print_int("stream_index",           stream->index);
2225
3026
    print_int("key_frame",              frame->key_frame);
2226
3026
    print_ts  ("pkt_pts",               frame->pts);
2227
3026
    print_time("pkt_pts_time",          frame->pts, &stream->time_base);
2228
3026
    print_ts  ("pkt_dts",               frame->pkt_dts);
2229
3026
    print_time("pkt_dts_time",          frame->pkt_dts, &stream->time_base);
2230
3026
    print_ts  ("best_effort_timestamp", frame->best_effort_timestamp);
2231
3026
    print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &stream->time_base);
2232
3026
    print_duration_ts  ("pkt_duration",      frame->pkt_duration);
2233
3026
    print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
2234
3026
    if (frame->pkt_pos != -1) print_fmt    ("pkt_pos", "%"PRId64, frame->pkt_pos);
2235
302
    else                      print_str_opt("pkt_pos", "N/A");
2236
3026
    if (frame->pkt_size != -1) print_val    ("pkt_size", frame->pkt_size, unit_byte_str);
2237
    else                       print_str_opt("pkt_size", "N/A");
2238
2239
3026
    switch (stream->codecpar->codec_type) {
2240
        AVRational sar;
2241
2242
456
    case AVMEDIA_TYPE_VIDEO:
2243
456
        print_int("width",                  frame->width);
2244
456
        print_int("height",                 frame->height);
2245
456
        s = av_get_pix_fmt_name(frame->format);
2246
456
        if (s) print_str    ("pix_fmt", s);
2247
        else   print_str_opt("pix_fmt", "unknown");
2248
456
        sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
2249
456
        if (sar.num) {
2250
453
            print_q("sample_aspect_ratio", sar, ':');
2251
        } else {
2252
3
            print_str_opt("sample_aspect_ratio", "N/A");
2253
        }
2254
456
        print_fmt("pict_type",              "%c", av_get_picture_type_char(frame->pict_type));
2255
456
        print_int("coded_picture_number",   frame->coded_picture_number);
2256
456
        print_int("display_picture_number", frame->display_picture_number);
2257
456
        print_int("interlaced_frame",       frame->interlaced_frame);
2258
456
        print_int("top_field_first",        frame->top_field_first);
2259
456
        print_int("repeat_pict",            frame->repeat_pict);
2260
2261
456
        print_color_range(w, frame->color_range);
2262
456
        print_color_space(w, frame->colorspace);
2263
456
        print_primaries(w, frame->color_primaries);
2264
456
        print_color_trc(w, frame->color_trc);
2265
456
        print_chroma_location(w, frame->chroma_location);
2266
456
        break;
2267
2268
2570
    case AVMEDIA_TYPE_AUDIO:
2269
2570
        s = av_get_sample_fmt_name(frame->format);
2270
2570
        if (s) print_str    ("sample_fmt", s);
2271
        else   print_str_opt("sample_fmt", "unknown");
2272
2570
        print_int("nb_samples",         frame->nb_samples);
2273
2570
        print_int("channels", frame->channels);
2274
2570
        if (frame->channel_layout) {
2275
2352
            av_bprint_clear(&pbuf);
2276
2352
            av_bprint_channel_layout(&pbuf, frame->channels,
2277
                                     frame->channel_layout);
2278
2352
            print_str    ("channel_layout", pbuf.str);
2279
        } else
2280
218
            print_str_opt("channel_layout", "unknown");
2281
2570
        break;
2282
    }
2283
3026
    if (do_show_frame_tags)
2284
1045
        show_tags(w, frame->metadata, SECTION_ID_FRAME_TAGS);
2285
3026
    if (do_show_log)
2286
        show_log(w, SECTION_ID_FRAME_LOGS, SECTION_ID_FRAME_LOG, do_show_log);
2287
3026
    if (frame->nb_side_data) {
2288
69
        writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
2289
141
        for (i = 0; i < frame->nb_side_data; i++) {
2290
72
            AVFrameSideData *sd = frame->side_data[i];
2291
            const char *name;
2292
2293
72
            writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
2294
72
            name = av_frame_side_data_name(sd->type);
2295
72
            print_str("side_data_type", name ? name : "unknown");
2296

72
            if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2297
                writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2298
                print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2299

72
            } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {
2300
                char tcbuf[AV_TIMECODE_STR_SIZE];
2301
                av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
2302
                print_str("timecode", tcbuf);
2303

73
            } else if (sd->type == AV_FRAME_DATA_S12M_TIMECODE && sd->size == 16) {
2304
1
                uint32_t *tc = (uint32_t*)sd->data;
2305
1
                int m = FFMIN(tc[0],3);
2306
1
                writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST);
2307
2
                for (int j = 1; j <= m ; j++) {
2308
                    char tcbuf[AV_TIMECODE_STR_SIZE];
2309
1
                    av_timecode_make_smpte_tc_string2(tcbuf, stream->avg_frame_rate, tc[j], 0, 0);
2310
1
                    writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE);
2311
1
                    print_str("value", tcbuf);
2312
1
                    writer_print_section_footer(w);
2313
                }
2314
1
                writer_print_section_footer(w);
2315
71
            } else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) {
2316
2
                AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
2317
2318
2
                if (metadata->has_primaries) {
2319
2
                    print_q("red_x", metadata->display_primaries[0][0], '/');
2320
2
                    print_q("red_y", metadata->display_primaries[0][1], '/');
2321
2
                    print_q("green_x", metadata->display_primaries[1][0], '/');
2322
2
                    print_q("green_y", metadata->display_primaries[1][1], '/');
2323
2
                    print_q("blue_x", metadata->display_primaries[2][0], '/');
2324
2
                    print_q("blue_y", metadata->display_primaries[2][1], '/');
2325
2326
2
                    print_q("white_point_x", metadata->white_point[0], '/');
2327
2
                    print_q("white_point_y", metadata->white_point[1], '/');
2328
                }
2329
2330
2
                if (metadata->has_luminance) {
2331
1
                    print_q("min_luminance", metadata->min_luminance, '/');
2332
1
                    print_q("max_luminance", metadata->max_luminance, '/');
2333
                }
2334
69
            } else if (sd->type == AV_FRAME_DATA_DYNAMIC_HDR_PLUS) {
2335
1
                AVDynamicHDRPlus *metadata = (AVDynamicHDRPlus *)sd->data;
2336
1
                print_dynamic_hdr10_plus(w, metadata);
2337
68
            } else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {
2338
1
                AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
2339
1
                print_int("max_content", metadata->MaxCLL);
2340
1
                print_int("max_average", metadata->MaxFALL);
2341
67
            } else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) {
2342
1
                AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE);
2343
1
                if (tag)
2344
1
                    print_str(tag->key, tag->value);
2345
1
                print_int("size", sd->size);
2346
            }
2347
72
            writer_print_section_footer(w);
2348
        }
2349
69
        writer_print_section_footer(w);
2350
    }
2351
2352
3026
    writer_print_section_footer(w);
2353
2354
3026
    av_bprint_finalize(&pbuf, NULL);
2355
3026
    fflush(stdout);
2356
3026
}
2357
2358
5958
static av_always_inline int process_frame(WriterContext *w,
2359
                                          InputFile *ifile,
2360
                                          AVFrame *frame, AVPacket *pkt,
2361
                                          int *packet_new)
2362
{
2363
5958
    AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2364
5958
    AVCodecContext *dec_ctx = ifile->streams[pkt->stream_index].dec_ctx;
2365
5958
    AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar;
2366
    AVSubtitle sub;
2367
5958
    int ret = 0, got_frame = 0;
2368
2369
5958
    clear_log(1);
2370

5958
    if (dec_ctx && dec_ctx->codec) {
2371
5958
        switch (par->codec_type) {
2372
5958
        case AVMEDIA_TYPE_VIDEO:
2373
        case AVMEDIA_TYPE_AUDIO:
2374
5958
            if (*packet_new) {
2375
2938
                ret = avcodec_send_packet(dec_ctx, pkt);
2376
2938
                if (ret == AVERROR(EAGAIN)) {
2377
                    ret = 0;
2378

2938
                } else if (ret >= 0 || ret == AVERROR_EOF) {
2379
2936
                    ret = 0;
2380
2936
                    *packet_new = 0;
2381
                }
2382
            }
2383
5958
            if (ret >= 0) {
2384
5956
                ret = avcodec_receive_frame(dec_ctx, frame);
2385
5956
                if (ret >= 0) {
2386
3026
                    got_frame = 1;
2387

2930
                } else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
2388
2930
                    ret = 0;
2389
                }
2390
            }
2391
5958
            break;
2392
2393
        case AVMEDIA_TYPE_SUBTITLE:
2394
            if (*packet_new)
2395
                ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
2396
            *packet_new = 0;
2397
            break;
2398
        default:
2399
            *packet_new = 0;
2400
        }
2401
    } else {
2402
        *packet_new = 0;
2403
    }
2404
2405
5958
    if (ret < 0)
2406
2
        return ret;
2407
5956
    if (got_frame) {
2408
3026
        int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE);
2409
3026
        nb_streams_frames[pkt->stream_index]++;
2410
3026
        if (do_show_frames)
2411
3026
            if (is_sub)
2412
                show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx);
2413
            else
2414
3026
                show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx);
2415
3026
        if (is_sub)
2416
            avsubtitle_free(&sub);
2417
    }
2418

5956
    return got_frame || *packet_new;
2419
}
2420
2421
50
static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
2422
{
2423
50
    av_log(log_ctx, log_level, "id:%d", interval->id);
2424
2425
50
    if (interval->has_start) {
2426
        av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
2427
               av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
2428
    } else {
2429
50
        av_log(log_ctx, log_level, " start:N/A");
2430
    }
2431
2432
50
    if (interval->has_end) {
2433
        av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
2434
        if (interval->duration_frames)
2435
            av_log(log_ctx, log_level, "#%"PRId64, interval->end);
2436
        else
2437
            av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
2438
    } else {
2439
50
        av_log(log_ctx, log_level, " end:N/A");
2440
    }
2441
2442
50
    av_log(log_ctx, log_level, "\n");
2443
50
}
2444
2445
50
static int read_interval_packets(WriterContext *w, InputFile *ifile,
2446
                                 const ReadInterval *interval, int64_t *cur_ts)
2447
{
2448
50
    AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2449
50
    AVPacket *pkt = NULL;
2450
50
    AVFrame *frame = NULL;
2451
50
    int ret = 0, i = 0, frame_count = 0;
2452
50
    int64_t start = -INT64_MAX, end = interval->end;
2453

50
    int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
2454
2455
50
    av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
2456
50
    log_read_interval(interval, NULL, AV_LOG_VERBOSE);
2457
2458
50
    if (interval->has_start) {
2459
        int64_t target;
2460
        if (interval->start_is_offset) {
2461
            if (*cur_ts == AV_NOPTS_VALUE) {
2462
                av_log(NULL, AV_LOG_ERROR,
2463
                       "Could not seek to relative position since current "
2464
                       "timestamp is not defined\n");
2465
                ret = AVERROR(EINVAL);
2466
                goto end;
2467
            }
2468
            target = *cur_ts + interval->start;
2469
        } else {
2470
            target = interval->start;
2471
        }
2472
2473
        av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
2474
               av_ts2timestr(target, &AV_TIME_BASE_Q));
2475
        if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
2476
            av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
2477
                   interval->start, av_err2str(ret));
2478
            goto end;
2479
        }
2480
    }
2481
2482
50
    frame = av_frame_alloc();
2483
50
    if (!frame) {
2484
        ret = AVERROR(ENOMEM);
2485
        goto end;
2486
    }
2487
50
    pkt = av_packet_alloc();
2488
50
    if (!pkt) {
2489
        ret = AVERROR(ENOMEM);
2490
        goto end;
2491
    }
2492
6341
    while (!av_read_frame(fmt_ctx, pkt)) {
2493
6291
        if (fmt_ctx->nb_streams > nb_streams) {
2494
            REALLOCZ_ARRAY_STREAM(nb_streams_frames,  nb_streams, fmt_ctx->nb_streams);
2495
            REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
2496
            REALLOCZ_ARRAY_STREAM(selected_streams,   nb_streams, fmt_ctx->nb_streams);
2497
            nb_streams = fmt_ctx->nb_streams;
2498
        }
2499
6291
        if (selected_streams[pkt->stream_index]) {
2500
6288
            AVRational tb = ifile->streams[pkt->stream_index].st->time_base;
2501
2502
6288
            if (pkt->pts != AV_NOPTS_VALUE)
2503
6275
                *cur_ts = av_rescale_q(pkt->pts, tb, AV_TIME_BASE_Q);
2504
2505

6288
            if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
2506
47
                start = *cur_ts;
2507
47
                has_start = 1;
2508
            }
2509
2510

6288
            if (has_start && !has_end && interval->end_is_offset) {
2511
                end = start + interval->end;
2512
                has_end = 1;
2513
            }
2514
2515

6288
            if (interval->end_is_offset && interval->duration_frames) {
2516
                if (frame_count >= interval->end)
2517
                    break;
2518

6288
            } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
2519
                break;
2520
            }
2521
2522
6288
            frame_count++;
2523
6288
            if (do_read_packets) {
2524
3589
                if (do_show_packets)
2525
3589
                    show_packet(w, ifile, pkt, i++);
2526
3589
                nb_streams_packets[pkt->stream_index]++;
2527
            }
2528
6288
            if (do_read_frames) {
2529
2880
                int packet_new = 1;
2530
5900
                while (process_frame(w, ifile, frame, pkt, &packet_new) > 0);
2531
            }
2532
        }
2533
6291
        av_packet_unref(pkt);
2534
    }
2535
50
    av_packet_unref(pkt);
2536
    //Flush remaining frames that are cached in the decoder
2537
123
    for (i = 0; i < fmt_ctx->nb_streams; i++) {
2538
73
        pkt->stream_index = i;
2539
73
        if (do_read_frames)
2540
58
            while (process_frame(w, ifile, frame, pkt, &(int){1}) > 0);
2541
    }
2542
2543
50
end:
2544
50
    av_frame_free(&frame);
2545
50
    av_packet_free(&pkt);
2546
50
    if (ret < 0) {
2547
        av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2548
        log_read_interval(interval, NULL, AV_LOG_ERROR);
2549
    }
2550
50
    return ret;
2551
}
2552
2553
50
static int read_packets(WriterContext *w, InputFile *ifile)
2554
{
2555
50
    AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2556
50
    int i, ret = 0;
2557
50
    int64_t cur_ts = fmt_ctx->start_time;
2558
2559
50
    if (read_intervals_nb == 0) {
2560
50
        ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2561
50
        ret = read_interval_packets(w, ifile, &interval, &cur_ts);
2562
    } else {
2563
        for (i = 0; i < read_intervals_nb; i++) {
2564
            ret = read_interval_packets(w, ifile, &read_intervals[i], &cur_ts);
2565
            if (ret < 0)
2566
                break;
2567
        }
2568
    }
2569
2570
50
    return ret;
2571
}
2572
2573
116
static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
2574
{
2575
116
    AVStream *stream = ist->st;
2576
    AVCodecParameters *par;
2577
    AVCodecContext *dec_ctx;
2578
    char val_str[128];
2579
    const char *s;
2580
    AVRational sar, dar;
2581
    AVBPrint pbuf;
2582
    const AVCodecDescriptor *cd;
2583
116
    int ret = 0;
2584
116
    const char *profile = NULL;
2585
2586
116
    av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2587
2588
116
    writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2589
2590
116
    print_int("index", stream->index);
2591
2592
116
    par     = stream->codecpar;
2593
116
    dec_ctx = ist->dec_ctx;
2594
116
    if (cd = avcodec_descriptor_get(par->codec_id)) {
2595
113
        print_str("codec_name", cd->name);
2596
113
        if (!do_bitexact) {
2597
39
            print_str("codec_long_name",
2598
                      cd->long_name ? cd->long_name : "unknown");
2599
        }
2600
    } else {
2601
3
        print_str_opt("codec_name", "unknown");
2602
3
        if (!do_bitexact) {
2603
            print_str_opt("codec_long_name", "unknown");
2604
        }
2605
    }
2606
2607

116
    if (!do_bitexact && (profile = avcodec_profile_name(par->codec_id, par->profile)))
2608
17
        print_str("profile", profile);
2609
    else {
2610
99
        if (par->profile != FF_PROFILE_UNKNOWN) {
2611
            char profile_num[12];
2612
29
            snprintf(profile_num, sizeof(profile_num), "%d", par->profile);
2613
29
            print_str("profile", profile_num);
2614
        } else
2615
70
            print_str_opt("profile", "unknown");
2616
    }
2617
2618
116
    s = av_get_media_type_string(par->codec_type);
2619
116
    if (s) print_str    ("codec_type", s);
2620
    else   print_str_opt("codec_type", "unknown");
2621
2622
    /* print AVI/FourCC tag */
2623
116
    print_str("codec_tag_string",    av_fourcc2str(par->codec_tag));
2624
116
    print_fmt("codec_tag", "0x%04"PRIx32, par->codec_tag);
2625
2626

116
    switch (par->codec_type) {
2627
56
    case AVMEDIA_TYPE_VIDEO:
2628
56
        print_int("width",        par->width);
2629
56
        print_int("height",       par->height);
2630
56
        if (dec_ctx) {
2631
56
            print_int("coded_width",  dec_ctx->coded_width);
2632
56
            print_int("coded_height", dec_ctx->coded_height);
2633
56
            print_int("closed_captions", !!(dec_ctx->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS));
2634
        }
2635
56
        print_int("has_b_frames", par->video_delay);
2636
56
        sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2637
56
        if (sar.num) {
2638
47
            print_q("sample_aspect_ratio", sar, ':');
2639
47
            av_reduce(&dar.num, &dar.den,
2640
47
                      par->width  * sar.num,
2641
47
                      par->height * sar.den,
2642
                      1024*1024);
2643
47
            print_q("display_aspect_ratio", dar, ':');
2644
        } else {
2645
9
            print_str_opt("sample_aspect_ratio", "N/A");
2646
9
            print_str_opt("display_aspect_ratio", "N/A");
2647
        }
2648
56
        s = av_get_pix_fmt_name(par->format);
2649
56
        if (s) print_str    ("pix_fmt", s);
2650
2
        else   print_str_opt("pix_fmt", "unknown");
2651
56
        print_int("level",   par->level);
2652
2653
56
        print_color_range(w, par->color_range);
2654
56
        print_color_space(w, par->color_space);
2655
56
        print_color_trc(w, par->color_trc);
2656
56
        print_primaries(w, par->color_primaries);
2657
56
        print_chroma_location(w, par->chroma_location);
2658
2659
56
        if (par->field_order == AV_FIELD_PROGRESSIVE)
2660
11
            print_str("field_order", "progressive");
2661
45
        else if (par->field_order == AV_FIELD_TT)
2662
5
            print_str("field_order", "tt");
2663
40
        else if (par->field_order == AV_FIELD_BB)
2664
1
            print_str("field_order", "bb");
2665
39
        else if (par->field_order == AV_FIELD_TB)
2666
2
            print_str("field_order", "tb");
2667
37
        else if (par->field_order == AV_FIELD_BT)
2668
            print_str("field_order", "bt");
2669
        else
2670
37
            print_str_opt("field_order", "unknown");
2671
2672
56
        if (dec_ctx)
2673
56
            print_int("refs", dec_ctx->refs);
2674
56
        break;
2675
2676
49
    case AVMEDIA_TYPE_AUDIO:
2677
49
        s = av_get_sample_fmt_name(par->format);
2678
49
        if (s) print_str    ("sample_fmt", s);
2679
        else   print_str_opt("sample_fmt", "unknown");
2680
49
        print_val("sample_rate",     par->sample_rate, unit_hertz_str);
2681
49
        print_int("channels",        par->channels);
2682
2683
49
        if (par->channel_layout) {
2684
27
            av_bprint_clear(&pbuf);
2685
27
            av_bprint_channel_layout(&pbuf, par->channels, par->channel_layout);
2686
27
            print_str    ("channel_layout", pbuf.str);
2687
        } else {
2688
22
            print_str_opt("channel_layout", "unknown");
2689
        }
2690
2691
49
        print_int("bits_per_sample", av_get_bits_per_sample(par->codec_id));
2692
49
        break;
2693
2694
5
    case AVMEDIA_TYPE_SUBTITLE:
2695
5
        if (par->width)
2696
            print_int("width",       par->width);
2697
        else
2698
5
            print_str_opt("width",   "N/A");
2699
5
        if (par->height)
2700
            print_int("height",      par->height);
2701
        else
2702
5
            print_str_opt("height",  "N/A");
2703
5
        break;
2704
    }
2705
2706


116
    if (dec_ctx && dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2707
57
        const AVOption *opt = NULL;
2708
279
        while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2709
            uint8_t *str;
2710
222
            if (!(opt->flags & AV_OPT_FLAG_EXPORT)) continue;
2711
24
            if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2712
24
                print_str(opt->name, str);
2713
24
                av_free(str);
2714
            }
2715
        }
2716
    }
2717
2718
116
    if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt    ("id", "0x%x", stream->id);
2719
99
    else                                          print_str_opt("id", "N/A");
2720
116
    print_q("r_frame_rate",   stream->r_frame_rate,   '/');
2721
116
    print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2722
116
    print_q("time_base",      stream->time_base,      '/');
2723
116
    print_ts  ("start_pts",   stream->start_time);
2724
116
    print_time("start_time",  stream->start_time, &stream->time_base);
2725
116
    print_ts  ("duration_ts", stream->duration);
2726
116
    print_time("duration",    stream->duration, &stream->time_base);
2727
116
    if (par->bit_rate > 0)     print_val    ("bit_rate", par->bit_rate, unit_bit_per_second_str);
2728
58
    else                       print_str_opt("bit_rate", "N/A");
2729

116
    if (dec_ctx && dec_ctx->rc_max_rate > 0)
2730
        print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);
2731
    else
2732
116
        print_str_opt("max_bit_rate", "N/A");
2733

116
    if (dec_ctx && dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
2734
90
    else                                             print_str_opt("bits_per_raw_sample", "N/A");
2735
116
    if (stream->nb_frames) print_fmt    ("nb_frames", "%"PRId64, stream->nb_frames);
2736
91
    else                   print_str_opt("nb_frames", "N/A");
2737
116
    if (nb_streams_frames[stream_idx])  print_fmt    ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2738
89
    else                                print_str_opt("nb_read_frames", "N/A");
2739
116
    if (nb_streams_packets[stream_idx]) print_fmt    ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2740
78
    else                                print_str_opt("nb_read_packets", "N/A");
2741
116
    if (do_show_data)
2742
        writer_print_data(w, "extradata", par->extradata,
2743
                                          par->extradata_size);
2744
116
    writer_print_data_hash(w, "extradata_hash", par->extradata,
2745
                                                par->extradata_size);
2746
2747
    /* Print disposition information */
2748
#define PRINT_DISPOSITION(flagname, name) do {                                \
2749
        print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2750
    } while (0)
2751
2752
116
    if (do_show_stream_disposition) {
2753
67
        writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2754
67
        PRINT_DISPOSITION(DEFAULT,          "default");
2755
67
        PRINT_DISPOSITION(DUB,              "dub");
2756
67
        PRINT_DISPOSITION(ORIGINAL,         "original");
2757
67
        PRINT_DISPOSITION(COMMENT,          "comment");
2758
67
        PRINT_DISPOSITION(LYRICS,           "lyrics");
2759
67
        PRINT_DISPOSITION(KARAOKE,          "karaoke");
2760
67
        PRINT_DISPOSITION(FORCED,           "forced");
2761
67
        PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2762
67
        PRINT_DISPOSITION(VISUAL_IMPAIRED,  "visual_impaired");
2763
67
        PRINT_DISPOSITION(CLEAN_EFFECTS,    "clean_effects");
2764
67
        PRINT_DISPOSITION(ATTACHED_PIC,     "attached_pic");
2765
67
        PRINT_DISPOSITION(TIMED_THUMBNAILS, "timed_thumbnails");
2766
67
        PRINT_DISPOSITION(CAPTIONS,         "captions");
2767
67
        PRINT_DISPOSITION(DESCRIPTIONS,     "descriptions");
2768
67
        PRINT_DISPOSITION(METADATA,         "metadata");
2769
67
        PRINT_DISPOSITION(DEPENDENT,        "dependent");
2770
67
        PRINT_DISPOSITION(STILL_IMAGE,      "still_image");
2771
67
        writer_print_section_footer(w);
2772
    }
2773
2774
116
    if (do_show_stream_tags)
2775
60
        ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2776
2777
116
    if (stream->nb_side_data) {
2778
12
        print_pkt_side_data(w, stream->codecpar, stream->side_data, stream->nb_side_data,
2779
                            SECTION_ID_STREAM_SIDE_DATA_LIST,
2780
                            SECTION_ID_STREAM_SIDE_DATA);
2781
    }
2782
2783
116
    writer_print_section_footer(w);
2784
116
    av_bprint_finalize(&pbuf, NULL);
2785
116
    fflush(stdout);
2786
2787
116
    return ret;
2788
}
2789
2790
55
static int show_streams(WriterContext *w, InputFile *ifile)
2791
{
2792
55
    AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2793
55
    int i, ret = 0;
2794
2795
55
    writer_print_section_header(w, SECTION_ID_STREAMS);
2796
170
    for (i = 0; i < ifile->nb_streams; i++)
2797
115
        if (selected_streams[i]) {
2798
108
            ret = show_stream(w, fmt_ctx, i, &ifile->streams[i], 0);
2799
108
            if (ret < 0)
2800
                break;
2801
        }
2802
55
    writer_print_section_footer(w);
2803
2804
55
    return ret;
2805
}
2806
2807
3
static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program)
2808
{
2809
3
    AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2810
3
    int i, ret = 0;
2811
2812
3
    writer_print_section_header(w, SECTION_ID_PROGRAM);
2813
3
    print_int("program_id", program->id);
2814
3
    print_int("program_num", program->program_num);
2815
3
    print_int("nb_streams", program->nb_stream_indexes);
2816
3
    print_int("pmt_pid", program->pmt_pid);
2817
3
    print_int("pcr_pid", program->pcr_pid);
2818
3
    print_ts("start_pts", program->start_time);
2819
3
    print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2820
3
    print_ts("end_pts", program->end_time);
2821
3
    print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2822
3
    if (do_show_program_tags)
2823
        ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2824
3
    if (ret < 0)
2825
        goto end;
2826
2827
3
    writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2828
12
    for (i = 0; i < program->nb_stream_indexes; i++) {
2829
9
        if (selected_streams[program->stream_index[i]]) {
2830
8
            ret = show_stream(w, fmt_ctx, program->stream_index[i], &ifile->streams[program->stream_index[i]], 1);
2831
8
            if (ret < 0)
2832
                break;
2833
        }
2834
    }
2835
3
    writer_print_section_footer(w);
2836
2837
3
end:
2838
3
    writer_print_section_footer(w);
2839
3
    return ret;
2840
}
2841
2842
36
static int show_programs(WriterContext *w, InputFile *ifile)
2843
{
2844
36
    AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2845
36
    int i, ret = 0;
2846
2847
36
    writer_print_section_header(w, SECTION_ID_PROGRAMS);
2848
39
    for (i = 0; i < fmt_ctx->nb_programs; i++) {
2849
3
        AVProgram *program = fmt_ctx->programs[i];
2850
3
        if (!program)
2851
            continue;
2852
3
        ret = show_program(w, ifile, program);
2853
3
        if (ret < 0)
2854
            break;
2855
    }
2856
36
    writer_print_section_footer(w);
2857
36
    return ret;
2858
}
2859
2860
4
static int show_chapters(WriterContext *w, InputFile *ifile)
2861
{
2862
4
    AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2863
4
    int i, ret = 0;
2864
2865
4
    writer_print_section_header(w, SECTION_ID_CHAPTERS);
2866
22
    for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2867
18
        AVChapter *chapter = fmt_ctx->chapters[i];
2868
2869
18
        writer_print_section_header(w, SECTION_ID_CHAPTER);
2870
18
        print_int("id", chapter->id);
2871
18
        print_q  ("time_base", chapter->time_base, '/');
2872
18
        print_int("start", chapter->start);
2873
18
        print_time("start_time", chapter->start, &chapter->time_base);
2874
18
        print_int("end", chapter->end);
2875
18
        print_time("end_time", chapter->end, &chapter->time_base);
2876
18
        if (do_show_chapter_tags)
2877
18
            ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2878
18
        writer_print_section_footer(w);
2879
    }
2880
4
    writer_print_section_footer(w);
2881
2882
4
    return ret;
2883
}
2884
2885
24
static int show_format(WriterContext *w, InputFile *ifile)
2886
{
2887
24
    AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2888
    char val_str[128];
2889
24
    int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2890
24
    int ret = 0;
2891
2892
24
    writer_print_section_header(w, SECTION_ID_FORMAT);
2893
24
    print_str_validate("filename", fmt_ctx->url);
2894
24
    print_int("nb_streams",       fmt_ctx->nb_streams);
2895
24
    print_int("nb_programs",      fmt_ctx->nb_programs);
2896
24
    print_str("format_name",      fmt_ctx->iformat->name);
2897
24
    if (!do_bitexact) {
2898
9
        if (fmt_ctx->iformat->long_name) print_str    ("format_long_name", fmt_ctx->iformat->long_name);
2899
        else                             print_str_opt("format_long_name", "unknown");
2900
    }
2901
24
    print_time("start_time",      fmt_ctx->start_time, &AV_TIME_BASE_Q);
2902
24
    print_time("duration",        fmt_ctx->duration,   &AV_TIME_BASE_Q);
2903
24
    if (size >= 0) print_val    ("size", size, unit_byte_str);
2904
    else           print_str_opt("size", "N/A");
2905
24
    if (fmt_ctx->bit_rate > 0) print_val    ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2906
    else                       print_str_opt("bit_rate", "N/A");
2907
24
    print_int("probe_score", fmt_ctx->probe_score);
2908
24
    if (do_show_format_tags)
2909
16
        ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2910
2911
24
    writer_print_section_footer(w);
2912
24
    fflush(stdout);
2913
24
    return ret;
2914
}
2915
2916
static void show_error(WriterContext *w, int err)
2917
{
2918
    char errbuf[128];
2919
    const char *errbuf_ptr = errbuf;
2920
2921
    if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2922
        errbuf_ptr = strerror(AVUNERROR(err));
2923
2924
    writer_print_section_header(w, SECTION_ID_ERROR);
2925
    print_int("code", err);
2926
    print_str("string", errbuf_ptr);
2927
    writer_print_section_footer(w);
2928
}
2929
2930
92
static int open_input_file(InputFile *ifile, const char *filename,
2931
                           const char *print_filename)
2932
{
2933
    int err, i;
2934
92
    AVFormatContext *fmt_ctx = NULL;
2935
92
    AVDictionaryEntry *t = NULL;
2936
92
    int scan_all_pmts_set = 0;
2937
2938
92
    fmt_ctx = avformat_alloc_context();
2939
92
    if (!fmt_ctx) {
2940
        print_error(filename, AVERROR(ENOMEM));
2941
        exit_program(1);
2942
    }
2943
2944
92
    if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
2945
92
        av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
2946
92
        scan_all_pmts_set = 1;
2947
    }
2948
92
    if ((err = avformat_open_input(&fmt_ctx, filename,
2949
                                   iformat, &format_opts)) < 0) {
2950
        print_error(filename, err);
2951
        return err;
2952
    }
2953
92
    if (print_filename) {
2954
7
        av_freep(&fmt_ctx->url);
2955
7
        fmt_ctx->url = av_strdup(print_filename);
2956
    }
2957
92
    ifile->fmt_ctx = fmt_ctx;
2958
92
    if (scan_all_pmts_set)
2959
92
        av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
2960
92
    while ((t = av_dict_get(format_opts, "", t, AV_DICT_IGNORE_SUFFIX)))
2961
        av_log(NULL, AV_LOG_WARNING, "Option %s skipped - not known to demuxer.\n", t->key);
2962
2963
92
    if (find_stream_info) {
2964
92
        AVDictionary **opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2965
92
        int orig_nb_streams = fmt_ctx->nb_streams;
2966
2967
92
        err = avformat_find_stream_info(fmt_ctx, opts);
2968
2969
242
        for (i = 0; i < orig_nb_streams; i++)
2970
150
            av_dict_free(&opts[i]);
2971
92
        av_freep(&opts);
2972
2973
92
        if (err < 0) {
2974
            print_error(filename, err);
2975
            return err;
2976
        }
2977
    }
2978
2979
92
    av_dump_format(fmt_ctx, 0, filename, 0);
2980
2981
92
    ifile->streams = av_mallocz_array(fmt_ctx->nb_streams,
2982
                                      sizeof(*ifile->streams));
2983
92
    if (!ifile->streams)
2984
        exit(1);
2985
92
    ifile->nb_streams = fmt_ctx->nb_streams;
2986
2987
    /* bind a decoder to each input stream */
2988
249
    for (i = 0; i < fmt_ctx->nb_streams; i++) {
2989
157
        InputStream *ist = &ifile->streams[i];
2990
157
        AVStream *stream = fmt_ctx->streams[i];
2991
        const AVCodec *codec;
2992
2993
157
        ist->st = stream;
2994
2995
157
        if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) {
2996
            av_log(NULL, AV_LOG_WARNING,
2997
                   "Failed to probe codec for input stream %d\n",
2998
                    stream->index);
2999
            continue;
3000
        }
3001
3002
157
        codec = avcodec_find_decoder(stream->codecpar->codec_id);
3003
157
        if (!codec) {
3004
7
            av_log(NULL, AV_LOG_WARNING,
3005
                    "Unsupported codec with id %d for input stream %d\n",
3006
7
                    stream->codecpar->codec_id, stream->index);
3007
7
            continue;
3008
        }
3009
        {
3010
150
            AVDictionary *opts = filter_codec_opts(codec_opts, stream->codecpar->codec_id,
3011
                                                   fmt_ctx, stream, codec);
3012
3013
150
            ist->dec_ctx = avcodec_alloc_context3(codec);
3014
150
            if (!ist->dec_ctx)
3015
                exit(1);
3016
3017
150
            err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar);
3018
150
            if (err < 0)
3019
                exit(1);
3020
3021
150
            if (do_show_log) {
3022
                // For loging it is needed to disable at least frame threads as otherwise
3023
                // the log information would need to be reordered and matches up to contexts and frames
3024
                // That is in fact possible but not trivial
3025
                av_dict_set(&codec_opts, "threads", "1", 0);
3026
            }
3027
3028
150
            ist->dec_ctx->pkt_timebase = stream->time_base;
3029
3030
150
            if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) {
3031
                av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
3032
                       stream->index);
3033
                exit(1);
3034
            }
3035
3036
150
            if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
3037
                av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
3038
                       t->key, stream->index);
3039
                return AVERROR_OPTION_NOT_FOUND;
3040
            }
3041
        }
3042
    }
3043
3044
92
    ifile->fmt_ctx = fmt_ctx;
3045
92
    return 0;
3046
}
3047
3048
92
static void close_input_file(InputFile *ifile)
3049
{
3050
    int i;
3051
3052
    /* close decoder for each stream */
3053
249
    for (i = 0; i < ifile->nb_streams; i++)
3054
157
        if (ifile->streams[i].st->codecpar->codec_id != AV_CODEC_ID_NONE)
3055
153
            avcodec_free_context(&ifile->streams[i].dec_ctx);
3056
3057
92
    av_freep(&ifile->streams);
3058
92
    ifile->nb_streams = 0;
3059
3060
92
    avformat_close_input(&ifile->fmt_ctx);
3061
92
}
3062
3063
92
static int probe_file(WriterContext *wctx, const char *filename,
3064
                      const char *print_filename)
3065
{
3066
92
    InputFile ifile = { 0 };
3067
    int ret, i;
3068
    int section_id;
3069
3070

92
    do_read_frames = do_show_frames || do_count_frames;
3071

92
    do_read_packets = do_show_packets || do_count_packets;
3072
3073
92
    ret = open_input_file(&ifile, filename, print_filename);
3074
92
    if (ret < 0)
3075
        goto end;
3076
3077
#define CHECK_END if (ret < 0) goto end
3078
3079
92
    nb_streams = ifile.fmt_ctx->nb_streams;
3080
92
    REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,ifile.fmt_ctx->nb_streams);
3081
92
    REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,ifile.fmt_ctx->nb_streams);
3082
92
    REALLOCZ_ARRAY_STREAM(selected_streams,0,ifile.fmt_ctx->nb_streams);
3083
3084
249
    for (i = 0; i < ifile.fmt_ctx->nb_streams; i++) {
3085
157
        if (stream_specifier) {
3086
32
            ret = avformat_match_stream_specifier(ifile.fmt_ctx,
3087
32
                                                  ifile.fmt_ctx->streams[i],
3088
                                                  stream_specifier);
3089
32
            CHECK_END;
3090
            else
3091
32
                selected_streams[i] = ret;
3092
32
            ret = 0;
3093
        } else {
3094
125
            selected_streams[i] = 1;
3095
        }
3096
157
        if (!selected_streams[i])
3097
8
            ifile.fmt_ctx->streams[i]->discard = AVDISCARD_ALL;
3098
    }
3099
3100

92
    if (do_read_frames || do_read_packets) {
3101

50
        if (do_show_frames && do_show_packets &&
3102
9
            wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
3103
4
            section_id = SECTION_ID_PACKETS_AND_FRAMES;
3104

46
        else if (do_show_packets && !do_show_frames)
3105
14
            section_id = SECTION_ID_PACKETS;
3106
        else // (!do_show_packets && do_show_frames)
3107
32
            section_id = SECTION_ID_FRAMES;
3108

50
        if (do_show_frames || do_show_packets)
3109
50
            writer_print_section_header(wctx, section_id);
3110
50
        ret = read_packets(wctx, &ifile);
3111

50
        if (do_show_frames || do_show_packets)
3112
50
            writer_print_section_footer(wctx);
3113
50
        CHECK_END;
3114
    }
3115
3116
92
    if (do_show_programs) {
3117
36
        ret = show_programs(wctx, &ifile);
3118
36
        CHECK_END;
3119
    }
3120
3121
92
    if (do_show_streams) {
3122
55
        ret = show_streams(wctx, &ifile);
3123
55
        CHECK_END;
3124
    }
3125
92
    if (do_show_chapters) {
3126
4
        ret = show_chapters(wctx, &ifile);
3127
4
        CHECK_END;
3128
    }
3129
92
    if (do_show_format) {
3130
24
        ret = show_format(wctx, &ifile);
3131
24
        CHECK_END;
3132
    }
3133
3134
92
end:
3135
92
    if (ifile.fmt_ctx)
3136
92
        close_input_file(&ifile);
3137
92
    av_freep(&nb_streams_frames);
3138
92
    av_freep(&nb_streams_packets);
3139
92
    av_freep(&selected_streams);
3140
3141
92
    return ret;
3142
}
3143
3144
static void show_usage(void)
3145
{
3146
    av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
3147
    av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
3148
    av_log(NULL, AV_LOG_INFO, "\n");
3149
}
3150
3151
static void ffprobe_show_program_version(WriterContext *w)
3152
{
3153
    AVBPrint pbuf;
3154
    av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
3155
3156
    writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
3157
    print_str("version", FFMPEG_VERSION);
3158
    print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
3159
              program_birth_year, CONFIG_THIS_YEAR);
3160
    print_str("compiler_ident", CC_IDENT);
3161
    print_str("configuration", FFMPEG_CONFIGURATION);
3162
    writer_print_section_footer(w);
3163
3164
    av_bprint_finalize(&pbuf, NULL);
3165
}
3166
3167
#define SHOW_LIB_VERSION(libname, LIBNAME)                              \
3168
    do {                                                                \
3169
        if (CONFIG_##LIBNAME) {                                         \
3170
            unsigned int version = libname##_version();                 \
3171
            writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
3172
            print_str("name",    "lib" #libname);                       \
3173
            print_int("major",   LIB##LIBNAME##_VERSION_MAJOR);         \
3174
            print_int("minor",   LIB##LIBNAME##_VERSION_MINOR);         \
3175
            print_int("micro",   LIB##LIBNAME##_VERSION_MICRO);         \
3176
            print_int("version", version);                              \
3177
            print_str("ident",   LIB##LIBNAME##_IDENT);                 \
3178
            writer_print_section_footer(w);                             \
3179
        }                                                               \
3180
    } while (0)
3181
3182
static void ffprobe_show_library_versions(WriterContext *w)
3183
{
3184
    writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
3185
    SHOW_LIB_VERSION(avutil,     AVUTIL);
3186
    SHOW_LIB_VERSION(avcodec,    AVCODEC);
3187
    SHOW_LIB_VERSION(avformat,   AVFORMAT);
3188
    SHOW_LIB_VERSION(avdevice,   AVDEVICE);
3189
    SHOW_LIB_VERSION(avfilter,   AVFILTER);
3190
    SHOW_LIB_VERSION(swscale,    SWSCALE);
3191
    SHOW_LIB_VERSION(swresample, SWRESAMPLE);
3192
    SHOW_LIB_VERSION(postproc,   POSTPROC);
3193
    writer_print_section_footer(w);
3194
}
3195
3196
#define PRINT_PIX_FMT_FLAG(flagname, name)                                \
3197
    do {                                                                  \
3198
        print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
3199
    } while (0)
3200
3201
static void ffprobe_show_pixel_formats(WriterContext *w)
3202
{
3203
    const AVPixFmtDescriptor *pixdesc = NULL;
3204
    int i, n;
3205
3206
    writer_print_section_header(w, SECTION_ID_PIXEL_FORMATS);
3207
    while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {
3208
        writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT);
3209
        print_str("name", pixdesc->name);
3210
        print_int("nb_components", pixdesc->nb_components);
3211
        if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {
3212
            print_int    ("log2_chroma_w", pixdesc->log2_chroma_w);
3213
            print_int    ("log2_chroma_h", pixdesc->log2_chroma_h);
3214
        } else {
3215
            print_str_opt("log2_chroma_w", "N/A");
3216
            print_str_opt("log2_chroma_h", "N/A");
3217
        }
3218
        n = av_get_bits_per_pixel(pixdesc);
3219
        if (n) print_int    ("bits_per_pixel", n);
3220
        else   print_str_opt("bits_per_pixel", "N/A");
3221
        if (do_show_pixel_format_flags) {
3222
            writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_FLAGS);
3223
            PRINT_PIX_FMT_FLAG(BE,        "big_endian");
3224
            PRINT_PIX_FMT_FLAG(PAL,       "palette");
3225
            PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");
3226
            PRINT_PIX_FMT_FLAG(HWACCEL,   "hwaccel");
3227
            PRINT_PIX_FMT_FLAG(PLANAR,    "planar");
3228
            PRINT_PIX_FMT_FLAG(RGB,       "rgb");
3229
            PRINT_PIX_FMT_FLAG(ALPHA,     "alpha");
3230
            writer_print_section_footer(w);
3231
        }
3232
        if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {
3233
            writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENTS);
3234
            for (i = 0; i < pixdesc->nb_components; i++) {
3235
                writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENT);
3236
                print_int("index", i + 1);
3237
                print_int("bit_depth", pixdesc->comp[i].depth);
3238
                writer_print_section_footer(w);
3239
            }
3240
            writer_print_section_footer(w);
3241
        }
3242
        writer_print_section_footer(w);
3243
    }
3244
    writer_print_section_footer(w);
3245
}
3246
3247
12
static int opt_format(void *optctx, const char *opt, const char *arg)
3248
{
3249
12
    iformat = av_find_input_format(arg);
3250
12
    if (!iformat) {
3251
        av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
3252
        return AVERROR(EINVAL);
3253
    }
3254
12
    return 0;
3255
}
3256
3257
590
static inline void mark_section_show_entries(SectionID section_id,
3258
                                             int show_all_entries, AVDictionary *entries)
3259
{
3260
590
    struct section *section = &sections[section_id];
3261
3262
590
    section->show_all_entries = show_all_entries;
3263
590
    if (show_all_entries) {
3264
        SectionID *id;
3265
859
        for (id = section->children_ids; *id != -1; id++)
3266
375
            mark_section_show_entries(*id, show_all_entries, entries);
3267
    } else {
3268
106
        av_dict_copy(&section->entries_to_show, entries, 0);
3269
    }
3270
590
}
3271
3272
116
static int match_section(const char *section_name,
3273
                         int show_all_entries, AVDictionary *entries)
3274
{
3275
116
    int i, ret = 0;
3276
3277
5220
    for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
3278
5104
        const struct section *section = &sections[i];
3279
5104
        if (!strcmp(section_name, section->name) ||
3280

4995
            (section->unique_name && !strcmp(section_name, section->unique_name))) {
3281
152
            av_log(NULL, AV_LOG_DEBUG,
3282
                   "'%s' matches section with unique name '%s'\n", section_name,
3283
152
                   (char *)av_x_if_null(section->unique_name, section->name));
3284
152
            ret++;
3285
152
            mark_section_show_entries(section->id, show_all_entries, entries);
3286
        }
3287
    }
3288
116
    return ret;
3289
}
3290
3291
64
static int opt_show_entries(void *optctx, const char *opt, const char *arg)
3292
{
3293
64
    const char *p = arg;
3294
64
    int ret = 0;
3295
3296
180
    while (*p) {
3297
116
        AVDictionary *entries = NULL;
3298
116
        char *section_name = av_get_token(&p, "=:");
3299
116
        int show_all_entries = 0;
3300
3301
116
        if (!section_name) {
3302
            av_log(NULL, AV_LOG_ERROR,
3303
                   "Missing section name for option '%s'\n", opt);
3304
            return AVERROR(EINVAL);
3305
        }
3306
3307
116
        if (*p == '=') {
3308
74
            p++;
3309

219
            while (*p && *p != ':') {
3310
145
                char *entry = av_get_token(&p, ",:");
3311
145
                if (!entry)
3312
                    break;
3313
145
                av_log(NULL, AV_LOG_VERBOSE,
3314
                       "Adding '%s' to the entries to show in section '%s'\n",
3315
                       entry, section_name);
3316
145
                av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
3317
145
                if (*p == ',')
3318
71
                    p++;
3319
            }
3320
        } else {
3321
42
            show_all_entries = 1;
3322
        }
3323
3324
116
        ret = match_section(section_name, show_all_entries, entries);
3325
116
        if (ret == 0) {
3326
            av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
3327
            ret = AVERROR(EINVAL);
3328
        }
3329
116
        av_dict_free(&entries);
3330
116
        av_free(section_name);
3331
3332
116
        if (ret <= 0)
3333
            break;
3334
116
        if (*p)
3335
52
            p++;
3336
    }
3337
3338
64
    return ret;
3339
}
3340
3341
static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
3342
{
3343
    char *buf = av_asprintf("format=%s", arg);
3344
    int ret;
3345
3346
    if (!buf)
3347
        return AVERROR(ENOMEM);
3348
3349
    av_log(NULL, AV_LOG_WARNING,
3350
           "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
3351
           opt, arg);
3352
    ret = opt_show_entries(optctx, opt, buf);
3353
    av_free(buf);
3354
    return ret;
3355
}
3356
3357
92
static void opt_input_file(void *optctx, const char *arg)
3358
{
3359
92
    if (input_filename) {
3360
        av_log(NULL, AV_LOG_ERROR,
3361
                "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3362
                arg, input_filename);
3363
        exit_program(1);
3364
    }
3365
92
    if (!strcmp(arg, "-"))
3366
        arg = "pipe:";
3367
92
    input_filename = arg;
3368
92
}
3369
3370
9
static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
3371
{
3372
9
    opt_input_file(optctx, arg);
3373
9
    return 0;
3374
}
3375
3376
7
static int opt_print_filename(void *optctx, const char *opt, const char *arg)
3377
{
3378
7
    print_input_filename = arg;
3379
7
    return 0;
3380
}
3381
3382
void show_help_default(const char *opt, const char *arg)
3383
{
3384
    av_log_set_callback(log_callback_help);
3385
    show_usage();
3386
    show_help_options(options, "Main options:", 0, 0, 0);
3387
    printf("\n");
3388
3389
    show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3390
    show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3391
}
3392
3393
/**
3394
 * Parse interval specification, according to the format:
3395
 * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
3396
 * INTERVALS ::= INTERVAL[,INTERVALS]
3397
*/
3398
static int parse_read_interval(const char *interval_spec,
3399
                               ReadInterval *interval)
3400
{
3401
    int ret = 0;
3402
    char *next, *p, *spec = av_strdup(interval_spec);
3403
    if (!spec)
3404
        return AVERROR(ENOMEM);
3405
3406
    if (!*spec) {
3407
        av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
3408
        ret = AVERROR(EINVAL);
3409
        goto end;
3410
    }
3411
3412
    p = spec;
3413
    next = strchr(spec, '%');
3414
    if (next)
3415
        *next++ = 0;
3416
3417
    /* parse first part */
3418
    if (*p) {
3419
        interval->has_start = 1;
3420
3421
        if (*p == '+') {
3422
            interval->start_is_offset = 1;
3423
            p++;
3424
        } else {
3425
            interval->start_is_offset = 0;
3426
        }
3427
3428
        ret = av_parse_time(&interval->start, p, 1);
3429
        if (ret < 0) {
3430
            av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
3431
            goto end;
3432
        }
3433
    } else {
3434
        interval->has_start = 0;
3435
    }
3436
3437
    /* parse second part */
3438
    p = next;
3439
    if (p && *p) {
3440
        int64_t us;
3441
        interval->has_end = 1;
3442
3443