| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * RIFF common functions and data | ||
| 3 | * copyright (c) 2000 Fabrice Bellard | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | /** | ||
| 23 | * @file | ||
| 24 | * internal header for RIFF based (de)muxers | ||
| 25 | * do NOT include this in end user applications | ||
| 26 | */ | ||
| 27 | |||
| 28 | #ifndef AVFORMAT_RIFF_H | ||
| 29 | #define AVFORMAT_RIFF_H | ||
| 30 | |||
| 31 | #include "avio.h" | ||
| 32 | #include "internal.h" | ||
| 33 | #include "metadata.h" | ||
| 34 | |||
| 35 | extern const AVMetadataConv ff_riff_info_conv[]; | ||
| 36 | |||
| 37 | int64_t ff_start_tag(AVIOContext *pb, const char *tag); | ||
| 38 | void ff_end_tag(AVIOContext *pb, int64_t start); | ||
| 39 | |||
| 40 | /** | ||
| 41 | * Read BITMAPINFOHEADER structure and set AVStream codec width, height and | ||
| 42 | * bits_per_encoded_sample fields. Does not read extradata. | ||
| 43 | * Writes the size of the BMP file to *size. | ||
| 44 | * @return codec tag | ||
| 45 | */ | ||
| 46 | int ff_get_bmp_header(AVIOContext *pb, AVStream *st, uint32_t *size); | ||
| 47 | |||
| 48 | void ff_put_bmp_header(AVIOContext *pb, AVCodecParameters *par, int for_asf, int ignore_extradata, int rgb_frame_is_flipped); | ||
| 49 | |||
| 50 | /** | ||
| 51 | * Tell ff_put_wav_header() to use WAVEFORMATEX even for PCM codecs. | ||
| 52 | */ | ||
| 53 | #define FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX 0x00000001 | ||
| 54 | |||
| 55 | /** | ||
| 56 | * Tell ff_put_wav_header() to write an empty channel mask. | ||
| 57 | */ | ||
| 58 | #define FF_PUT_WAV_HEADER_SKIP_CHANNELMASK 0x00000002 | ||
| 59 | |||
| 60 | /** | ||
| 61 | * Write WAVEFORMAT header structure. | ||
| 62 | * | ||
| 63 | * @param flags a combination of FF_PUT_WAV_HEADER_* constants | ||
| 64 | * | ||
| 65 | * @return the size or -1 on error | ||
| 66 | */ | ||
| 67 | int ff_put_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int flags); | ||
| 68 | |||
| 69 | enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps); | ||
| 70 | int ff_get_wav_header(void *logctx, AVIOContext *pb, AVCodecParameters *par, | ||
| 71 | int size, int big_endian); | ||
| 72 | |||
| 73 | extern const AVCodecTag ff_codec_bmp_tags[]; // exposed through avformat_get_riff_video_tags() | ||
| 74 | extern const AVCodecTag ff_codec_wav_tags[]; | ||
| 75 | /* The following list contains both ff_codec_bmp_tags and ff_codec_wav_tags. */ | ||
| 76 | extern const AVCodecTag *const ff_riff_codec_tags_list[]; | ||
| 77 | /* The following list contains only ff_codec_wav_tags. */ | ||
| 78 | extern const AVCodecTag *const ff_wav_codec_tags_list[]; | ||
| 79 | |||
| 80 | extern const AVCodecTag ff_codec_bmp_tags_unofficial[]; | ||
| 81 | |||
| 82 | void ff_parse_specific_params(AVStream *st, int *au_rate, int *au_ssize, int *au_scale); | ||
| 83 | |||
| 84 | int ff_read_riff_info(AVFormatContext *s, int64_t size); | ||
| 85 | |||
| 86 | /** | ||
| 87 | * Write all recognized RIFF tags from s->metadata | ||
| 88 | */ | ||
| 89 | void ff_riff_write_info(AVFormatContext *s); | ||
| 90 | |||
| 91 | /** | ||
| 92 | * Write a single RIFF info tag | ||
| 93 | */ | ||
| 94 | void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str); | ||
| 95 | |||
| 96 | typedef uint8_t ff_asf_guid[16]; | ||
| 97 | |||
| 98 | typedef struct AVCodecGuid { | ||
| 99 | enum AVCodecID id; | ||
| 100 | ff_asf_guid guid; | ||
| 101 | } AVCodecGuid; | ||
| 102 | |||
| 103 | extern const AVCodecGuid ff_codec_wav_guids[]; | ||
| 104 | |||
| 105 | #define FF_PRI_GUID \ | ||
| 106 | "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x " \ | ||
| 107 | "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x}" | ||
| 108 | |||
| 109 | #define FF_ARG_GUID(g) \ | ||
| 110 | g[0], g[1], g[2], g[3], g[4], g[5], g[6], g[7], \ | ||
| 111 | g[8], g[9], g[10], g[11], g[12], g[13], g[14], g[15],\ | ||
| 112 | g[3], g[2], g[1], g[0], g[5], g[4], g[7], g[6], \ | ||
| 113 | g[8], g[9], g[10], g[11], g[12], g[13], g[14], g[15] | ||
| 114 | |||
| 115 | #define FF_MEDIASUBTYPE_BASE_GUID \ | ||
| 116 | 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 | ||
| 117 | #define FF_AMBISONIC_BASE_GUID \ | ||
| 118 | 0x21, 0x07, 0xD3, 0x11, 0x86, 0x44, 0xC8, 0xC1, 0xCA, 0x00, 0x00, 0x00 | ||
| 119 | #define FF_BROKEN_BASE_GUID \ | ||
| 120 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA | ||
| 121 | |||
| 122 | 47062 | static av_always_inline int ff_guidcmp(const void *g1, const void *g2) | |
| 123 | { | ||
| 124 | 47062 | return memcmp(g1, g2, sizeof(ff_asf_guid)); | |
| 125 | } | ||
| 126 | |||
| 127 | int ff_get_guid(AVIOContext *s, ff_asf_guid *g); | ||
| 128 | void ff_put_guid(AVIOContext *s, const ff_asf_guid *g); | ||
| 129 | const ff_asf_guid *ff_get_codec_guid(enum AVCodecID id, const AVCodecGuid *av_guid); | ||
| 130 | |||
| 131 | enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid); | ||
| 132 | |||
| 133 | #endif /* AVFORMAT_RIFF_H */ | ||
| 134 |