FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/hlsenc.c
Date: 2025-10-24 21:16:34
Exec Total Coverage
Lines: 736 1904 38.7%
Functions: 25 47 53.2%
Branches: 430 1400 30.7%
Line Branch Exec Source
1 /*
2 * Apple HTTP Live Streaming segmenter
3 * Copyright (c) 2012, Luca Barbato
4 * Copyright (c) 2017 Akamai Technologies, Inc.
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "config.h"
24 #include "config_components.h"
25 #include <stdint.h>
26 #include <time.h>
27 #if HAVE_UNISTD_H
28 #include <unistd.h>
29 #endif
30
31 #include "libavutil/avassert.h"
32 #include "libavutil/mathematics.h"
33 #include "libavutil/avstring.h"
34 #include "libavutil/bprint.h"
35 #include "libavutil/intreadwrite.h"
36 #include "libavutil/mem.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/log.h"
39 #include "libavutil/random_seed.h"
40 #include "libavutil/time.h"
41 #include "libavutil/time_internal.h"
42
43 #include "libavcodec/defs.h"
44
45 #include "avformat.h"
46 #include "avio_internal.h"
47 #include "avc.h"
48 #if CONFIG_HTTP_PROTOCOL
49 #include "http.h"
50 #endif
51 #include "hlsplaylist.h"
52 #include "internal.h"
53 #include "nal.h"
54 #include "mux.h"
55 #include "os_support.h"
56 #include "url.h"
57
58 typedef enum {
59 HLS_START_SEQUENCE_AS_START_NUMBER = 0,
60 HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH = 1,
61 HLS_START_SEQUENCE_AS_FORMATTED_DATETIME = 2, // YYYYMMDDhhmmss
62 HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH = 3,
63 HLS_START_SEQUENCE_LAST, // unused
64 } StartSequenceSourceType;
65
66 typedef enum {
67 CODEC_ATTRIBUTE_WRITTEN = 0,
68 CODEC_ATTRIBUTE_WILL_NOT_BE_WRITTEN,
69 } CodecAttributeStatus;
70
71 #define KEYSIZE 16
72 #define LINE_BUFFER_SIZE MAX_URL_SIZE
73 #define HLS_MICROSECOND_UNIT 1000000
74 #define BUFSIZE (16 * 1024)
75 #define POSTFIX_PATTERN "_%d"
76
77 typedef struct HLSSegment {
78 char filename[MAX_URL_SIZE];
79 char sub_filename[MAX_URL_SIZE];
80 double duration; /* in seconds */
81 int discont;
82 int64_t pos;
83 int64_t size;
84 int64_t keyframe_pos;
85 int64_t keyframe_size;
86 unsigned var_stream_idx;
87
88 char key_uri[LINE_BUFFER_SIZE + 1];
89 char iv_string[KEYSIZE*2 + 1];
90
91 struct HLSSegment *next;
92 double discont_program_date_time;
93 } HLSSegment;
94
95 typedef enum HLSFlags {
96 // Generate a single media file and use byte ranges in the playlist.
97 HLS_SINGLE_FILE = (1 << 0),
98 HLS_DELETE_SEGMENTS = (1 << 1),
99 HLS_ROUND_DURATIONS = (1 << 2),
100 HLS_DISCONT_START = (1 << 3),
101 HLS_OMIT_ENDLIST = (1 << 4),
102 HLS_SPLIT_BY_TIME = (1 << 5),
103 HLS_APPEND_LIST = (1 << 6),
104 HLS_PROGRAM_DATE_TIME = (1 << 7),
105 HLS_SECOND_LEVEL_SEGMENT_INDEX = (1 << 8), // include segment index in segment filenames when use_localtime e.g.: %%03d
106 HLS_SECOND_LEVEL_SEGMENT_DURATION = (1 << 9), // include segment duration (microsec) in segment filenames when use_localtime e.g.: %%09t
107 HLS_SECOND_LEVEL_SEGMENT_SIZE = (1 << 10), // include segment size (bytes) in segment filenames when use_localtime e.g.: %%014s
108 HLS_TEMP_FILE = (1 << 11),
109 HLS_PERIODIC_REKEY = (1 << 12),
110 HLS_INDEPENDENT_SEGMENTS = (1 << 13),
111 HLS_I_FRAMES_ONLY = (1 << 14),
112 } HLSFlags;
113
114 typedef enum {
115 SEGMENT_TYPE_MPEGTS,
116 SEGMENT_TYPE_FMP4,
117 } SegmentType;
118
119 typedef struct VariantStream {
120 unsigned var_stream_idx;
121 unsigned number;
122 int64_t sequence;
123 const AVOutputFormat *oformat;
124 const AVOutputFormat *vtt_oformat;
125 AVIOContext *out;
126 AVIOContext *out_single_file;
127 int packets_written;
128 int init_range_length;
129 uint8_t *temp_buffer;
130 uint8_t *init_buffer;
131
132 AVFormatContext *avf;
133 AVFormatContext *vtt_avf;
134
135 int has_video;
136 int has_subtitle;
137 int new_start;
138 int start_pts_from_audio;
139 double dpp; // duration per packet
140 int64_t start_pts;
141 int64_t end_pts;
142 int64_t video_lastpos;
143 int64_t video_keyframe_pos;
144 int64_t video_keyframe_size;
145 double duration; // last segment duration computed so far, in seconds
146 int64_t start_pos; // last segment starting position
147 int64_t size; // last segment size
148 int nb_entries;
149 int discontinuity_set;
150 int discontinuity;
151 int reference_stream_index;
152
153 int64_t total_size;
154 double total_duration;
155 int64_t avg_bitrate;
156 int64_t max_bitrate;
157
158 HLSSegment *segments;
159 HLSSegment *last_segment;
160 HLSSegment *old_segments;
161
162 char *basename_tmp;
163 char *basename;
164 char *vtt_basename;
165 char *vtt_m3u8_name;
166 char *m3u8_name;
167
168 double initial_prog_date_time;
169 char current_segment_final_filename_fmt[MAX_URL_SIZE]; // when renaming segments
170
171 char *fmp4_init_filename;
172 char *base_output_dirname;
173
174 int encrypt_started;
175
176 char key_file[LINE_BUFFER_SIZE + 1];
177 char key_uri[LINE_BUFFER_SIZE + 1];
178 char key_string[KEYSIZE*2 + 1];
179 char iv_string[KEYSIZE*2 + 1];
180
181 AVStream **streams;
182 char codec_attr[128];
183 CodecAttributeStatus attr_status;
184 unsigned int nb_streams;
185 int m3u8_created; /* status of media play-list creation */
186 int is_default; /* default status of audio group */
187 const char *language; /* audio language name */
188 const char *agroup; /* audio group name */
189 const char *sgroup; /* subtitle group name */
190 const char *ccgroup; /* closed caption group name */
191 const char *varname; /* variant name */
192 const char *subtitle_varname; /* subtitle variant name */
193 } VariantStream;
194
195 typedef struct ClosedCaptionsStream {
196 const char *ccgroup; /* closed caption group name */
197 const char *instreamid; /* closed captions INSTREAM-ID */
198 const char *language; /* closed captions language */
199 } ClosedCaptionsStream;
200
201 typedef struct HLSContext {
202 const AVClass *class; // Class for private options.
203 int64_t start_sequence;
204 uint32_t start_sequence_source_type; // enum StartSequenceSourceType
205
206 int64_t time; // Set by a private option.
207 int64_t init_time; // Set by a private option.
208 int max_nb_segments; // Set by a private option.
209 int hls_delete_threshold; // Set by a private option.
210 uint32_t flags; // enum HLSFlags
211 uint32_t pl_type; // enum PlaylistType
212 char *segment_filename;
213 char *fmp4_init_filename;
214 int segment_type;
215 int resend_init_file; ///< resend init file into disk after refresh m3u8
216
217 int use_localtime; ///< flag to expand filename with localtime
218 int use_localtime_mkdir;///< flag to mkdir dirname in timebased filename
219 int allowcache;
220 int64_t recording_time;
221 int64_t max_seg_size; // every segment file max size
222
223 char *baseurl;
224 char *vtt_format_options_str;
225 char *subtitle_filename;
226 AVDictionary *format_options;
227
228 int encrypt;
229 char *key;
230 char *key_url;
231 char *iv;
232 char *key_basename;
233 int encrypt_started;
234
235 char *key_info_file;
236 char key_file[LINE_BUFFER_SIZE + 1];
237 char key_uri[LINE_BUFFER_SIZE + 1];
238 char key_string[KEYSIZE*2 + 1];
239 char iv_string[KEYSIZE*2 + 1];
240 AVDictionary *vtt_format_options;
241
242 char *method;
243 char *user_agent;
244
245 VariantStream *var_streams;
246 unsigned int nb_varstreams;
247 ClosedCaptionsStream *cc_streams;
248 unsigned int nb_ccstreams;
249
250 int master_m3u8_created; /* status of master play-list creation */
251 char *master_m3u8_url; /* URL of the master m3u8 file */
252 int version; /* HLS version */
253 char *var_stream_map; /* user specified variant stream map string */
254 char *cc_stream_map; /* user specified closed caption streams map string */
255 char *master_pl_name;
256 unsigned int master_publish_rate;
257 int http_persistent;
258 AVIOContext *m3u8_out;
259 AVIOContext *sub_m3u8_out;
260 AVIOContext *http_delete;
261 int64_t timeout;
262 int ignore_io_errors;
263 char *headers;
264 int has_default_key; /* has DEFAULT field of var_stream_map */
265 int has_video_m3u8; /* has video stream m3u8 list */
266 } HLSContext;
267
268 ✗ static int strftime_expand(const char *fmt, char **dest)
269 {
270 ✗ int r = 1;
271 time_t now0;
272 struct tm *tm, tmpbuf;
273 char *buf;
274
275 ✗ buf = av_mallocz(MAX_URL_SIZE);
276 ✗ if (!buf)
277 ✗ return AVERROR(ENOMEM);
278
279 ✗ time(&now0);
280 ✗ tm = localtime_r(&now0, &tmpbuf);
281 ✗ r = strftime(buf, MAX_URL_SIZE, fmt, tm);
282 ✗ if (!r) {
283 ✗ av_free(buf);
284 ✗ return AVERROR(EINVAL);
285 }
286 ✗ *dest = buf;
287
288 ✗ return r;
289 }
290
291 122 static int hlsenc_io_open(AVFormatContext *s, AVIOContext **pb, const char *filename,
292 AVDictionary **options)
293 {
294 122 HLSContext *hls = s->priv_data;
295
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 122 int http_base_proto = filename ? ff_is_http_proto(filename) : 0;
296 122 int err = AVERROR_MUXER_NOT_FOUND;
297
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 122 if (!*pb || !http_base_proto || !hls->http_persistent) {
298 122 err = s->io_open(s, pb, filename, AVIO_FLAG_WRITE, options);
299 #if CONFIG_HTTP_PROTOCOL
300 } else {
301 ✗ URLContext *http_url_context = ffio_geturlcontext(*pb);
302 ✗ av_assert0(http_url_context);
303 ✗ err = ff_http_do_new_request(http_url_context, filename);
304 ✗ if (err < 0)
305 ✗ ff_format_io_close(s, pb);
306
307 #endif
308 }
309 122 return err;
310 }
311
312 189 static int hlsenc_io_close(AVFormatContext *s, AVIOContext **pb, char *filename)
313 {
314 189 HLSContext *hls = s->priv_data;
315
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 189 int http_base_proto = filename ? ff_is_http_proto(filename) : 0;
316 189 int ret = 0;
317
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 189 if (!*pb)
318 68 return ret;
319
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 121 if (!http_base_proto || !hls->http_persistent || hls->key_info_file || hls->encrypt) {
320 121 ff_format_io_close(s, pb);
321 #if CONFIG_HTTP_PROTOCOL
322 } else {
323 ✗ URLContext *http_url_context = ffio_geturlcontext(*pb);
324 ✗ av_assert0(http_url_context);
325 ✗ avio_flush(*pb);
326 ✗ ret = ffurl_shutdown(http_url_context, AVIO_FLAG_WRITE);
327 #endif
328 }
329 121 return ret;
330 }
331
332 121 static void set_http_options(AVFormatContext *s, AVDictionary **options, HLSContext *c)
333 {
334 121 int http_base_proto = ff_is_http_proto(s->url);
335
336
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 121 if (c->method) {
337 ✗ av_dict_set(options, "method", c->method, 0);
338
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 121 } else if (http_base_proto) {
339 ✗ av_dict_set(options, "method", "PUT", 0);
340 }
341
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 121 if (c->user_agent)
342 ✗ av_dict_set(options, "user_agent", c->user_agent, 0);
343
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 121 if (c->http_persistent)
344 ✗ av_dict_set_int(options, "multiple_requests", 1, 0);
345
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 121 if (c->timeout >= 0)
346 ✗ av_dict_set_int(options, "timeout", c->timeout, 0);
347
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 121 if (c->headers)
348 ✗ av_dict_set(options, "headers", c->headers, 0);
349 121 }
350
351 11 static void write_codec_attr(AVStream *st, VariantStream *vs)
352 {
353 11 int codec_strlen = strlen(vs->codec_attr);
354 char attr[32];
355
356
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 11 if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
357 ✗ return;
358
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 11 if (vs->attr_status == CODEC_ATTRIBUTE_WILL_NOT_BE_WRITTEN)
359 ✗ return;
360
361
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 11 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
362 ✗ uint8_t *data = st->codecpar->extradata;
363 ✗ if (data) {
364 const uint8_t *p;
365
366 ✗ if (AV_RB32(data) == 0x01 && (data[4] & 0x1F) == 7)
367 ✗ p = &data[5];
368 ✗ else if (AV_RB24(data) == 0x01 && (data[3] & 0x1F) == 7)
369 ✗ p = &data[4];
370 ✗ else if (data[0] == 0x01) /* avcC */
371 ✗ p = &data[1];
372 else
373 ✗ goto fail;
374 ✗ snprintf(attr, sizeof(attr),
375 ✗ "avc1.%02x%02x%02x", p[0], p[1], p[2]);
376 } else {
377 ✗ goto fail;
378 }
379
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 11 } else if (st->codecpar->codec_id == AV_CODEC_ID_HEVC) {
380 ✗ uint8_t *data = st->codecpar->extradata;
381 ✗ int profile = AV_PROFILE_UNKNOWN;
382 ✗ uint32_t profile_compatibility = AV_PROFILE_UNKNOWN;
383 ✗ char tier = 0;
384 ✗ int level = AV_LEVEL_UNKNOWN;
385 ✗ char constraints[8] = "";
386
387 ✗ if (st->codecpar->profile != AV_PROFILE_UNKNOWN)
388 ✗ profile = st->codecpar->profile;
389 ✗ if (st->codecpar->level != AV_LEVEL_UNKNOWN)
390 ✗ level = st->codecpar->level;
391
392 /* check the boundary of data which from current position is small than extradata_size */
393 ✗ while (data && (data - st->codecpar->extradata + 19) < st->codecpar->extradata_size) {
394 /* get HEVC SPS NAL and seek to profile_tier_level */
395 ✗ if (!(data[0] | data[1] | data[2]) && data[3] == 1 && ((data[4] & 0x7E) == 0x42)) {
396 uint8_t *rbsp_buf;
397 ✗ int remain_size = 0;
398 ✗ int rbsp_size = 0;
399 ✗ uint32_t profile_compatibility_flags = 0;
400 ✗ uint8_t high_nibble = 0;
401 /* skip start code + nalu header */
402 ✗ data += 6;
403 /* process by reference General NAL unit syntax */
404 ✗ remain_size = st->codecpar->extradata_size - (data - st->codecpar->extradata);
405 ✗ rbsp_buf = ff_nal_unit_extract_rbsp(data, remain_size, &rbsp_size, 0);
406 ✗ if (!rbsp_buf)
407 ✗ return;
408 ✗ if (rbsp_size < 13) {
409 ✗ av_freep(&rbsp_buf);
410 ✗ break;
411 }
412 /* skip sps_video_parameter_set_id u(4),
413 * sps_max_sub_layers_minus1 u(3),
414 * and sps_temporal_id_nesting_flag u(1)
415 *
416 * TIER represents the general_tier_flag, with 'L' indicating the flag is 0,
417 * and 'H' indicating the flag is 1
418 */
419 ✗ tier = (rbsp_buf[1] & 0x20) == 0 ? 'L' : 'H';
420 ✗ profile = rbsp_buf[1] & 0x1f;
421 /* PROFILE_COMPATIBILITY is general_profile_compatibility_flags, but in reverse bit order,
422 * in a hexadecimal representation (leading zeroes may be omitted).
423 */
424 ✗ profile_compatibility_flags = AV_RB32(rbsp_buf + 2);
425 /* revise these bits to get the profile compatibility value */
426 ✗ profile_compatibility_flags = ((profile_compatibility_flags & 0x55555555U) << 1) | ((profile_compatibility_flags >> 1) & 0x55555555U);
427 ✗ profile_compatibility_flags = ((profile_compatibility_flags & 0x33333333U) << 2) | ((profile_compatibility_flags >> 2) & 0x33333333U);
428 ✗ profile_compatibility_flags = ((profile_compatibility_flags & 0x0F0F0F0FU) << 4) | ((profile_compatibility_flags >> 4) & 0x0F0F0F0FU);
429 ✗ profile_compatibility_flags = ((profile_compatibility_flags & 0x00FF00FFU) << 8) | ((profile_compatibility_flags >> 8) & 0x00FF00FFU);
430 ✗ profile_compatibility = (profile_compatibility_flags << 16) | (profile_compatibility_flags >> 16);
431 /* skip 8 + 8 + 32
432 * CONSTRAINTS is a hexadecimal representation of the general_constraint_indicator_flags.
433 * each byte is separated by a '.', and trailing zero bytes may be omitted.
434 * drop the trailing zero bytes refer to ISO/IEC14496-15.
435 */
436 ✗ high_nibble = rbsp_buf[7] >> 4;
437 ✗ snprintf(constraints, sizeof(constraints),
438 high_nibble ? "%02x.%x" : "%02x",
439 ✗ rbsp_buf[6], high_nibble);
440 /* skip 8 + 8 + 32 + 4 + 43 + 1 bit */
441 ✗ level = rbsp_buf[12];
442 ✗ av_freep(&rbsp_buf);
443 ✗ break;
444 }
445 ✗ data++;
446 }
447 ✗ if (st->codecpar->codec_tag == MKTAG('h','v','c','1') &&
448 ✗ profile != AV_PROFILE_UNKNOWN &&
449 ✗ profile_compatibility != AV_PROFILE_UNKNOWN &&
450 ✗ tier != 0 &&
451 ✗ level != AV_LEVEL_UNKNOWN &&
452 ✗ constraints[0] != '\0') {
453 ✗ snprintf(attr, sizeof(attr), "%s.%d.%x.%c%d.%s", av_fourcc2str(st->codecpar->codec_tag), profile, profile_compatibility, tier, level, constraints);
454 } else
455 ✗ goto fail;
456
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 11 } else if (st->codecpar->codec_id == AV_CODEC_ID_MP2) {
457 9 snprintf(attr, sizeof(attr), "mp4a.40.33");
458
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 2 } else if (st->codecpar->codec_id == AV_CODEC_ID_MP3) {
459 ✗ snprintf(attr, sizeof(attr), "mp4a.40.34");
460
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 2 } else if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
461
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 1 if (st->codecpar->profile != AV_PROFILE_UNKNOWN)
462 1 snprintf(attr, sizeof(attr), "mp4a.40.%d", st->codecpar->profile+1);
463 else
464 // This is for backward compatibility with the previous implementation.
465 ✗ snprintf(attr, sizeof(attr), "mp4a.40.2");
466
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 1 } else if (st->codecpar->codec_id == AV_CODEC_ID_AC3) {
467 1 snprintf(attr, sizeof(attr), "ac-3");
468 ✗ } else if (st->codecpar->codec_id == AV_CODEC_ID_EAC3) {
469 ✗ snprintf(attr, sizeof(attr), "ec-3");
470 } else {
471 ✗ goto fail;
472 }
473 // Don't write the same attribute multiple times
474
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 11 if (!av_stristr(vs->codec_attr, attr)) {
475
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 11 snprintf(vs->codec_attr + codec_strlen,
476 sizeof(vs->codec_attr) - codec_strlen,
477 "%s%s", codec_strlen ? "," : "", attr);
478 }
479 11 return;
480
481 ✗ fail:
482 ✗ vs->codec_attr[0] = '\0';
483 ✗ vs->attr_status = CODEC_ATTRIBUTE_WILL_NOT_BE_WRITTEN;
484 ✗ return;
485 }
486
487 ✗ static int replace_str_data_in_filename(char **s, const char *filename, char placeholder, const char *datastring)
488 {
489 const char *p;
490 char c;
491 int addchar_count;
492 ✗ int found_count = 0;
493 AVBPrint buf;
494 int ret;
495
496 ✗ av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
497
498 ✗ p = filename;
499 for (;;) {
500 ✗ c = *p;
501 ✗ if (c == '\0')
502 ✗ break;
503 ✗ if (c == '%' && *(p+1) == '%') // %%
504 ✗ addchar_count = 2;
505 ✗ else if (c == '%' && *(p+1) == placeholder) {
506 ✗ av_bprintf(&buf, "%s", datastring);
507 ✗ p += 2;
508 ✗ addchar_count = 0;
509 ✗ found_count ++;
510 } else
511 ✗ addchar_count = 1;
512
513 ✗ if (addchar_count > 0) {
514 ✗ av_bprint_append_data(&buf, p, addchar_count);
515 ✗ p += addchar_count;
516 }
517 }
518 ✗ if (!av_bprint_is_complete(&buf)) {
519 ✗ av_bprint_finalize(&buf, NULL);
520 ✗ return AVERROR(ENOMEM);
521 }
522 ✗ if ((ret = av_bprint_finalize(&buf, s)) < 0)
523 ✗ return ret;
524 ✗ return found_count;
525 }
526
527 51 static int replace_int_data_in_filename(char **s, const char *filename, char placeholder, int64_t number)
528 {
529 const char *p;
530 char c;
531 int nd, addchar_count;
532 51 int found_count = 0;
533 AVBPrint buf;
534 int ret;
535
536 51 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
537
538 51 p = filename;
539 for (;;) {
540 4412 c = *p;
541
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 4412 if (c == '\0')
542 51 break;
543
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 4361 if (c == '%' && *(p+1) == '%') // %%
544 ✗ addchar_count = 2;
545
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 4361 else if (c == '%' && (av_isdigit(*(p+1)) || *(p+1) == placeholder)) {
546 51 nd = 0;
547 51 addchar_count = 1;
548
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 83 while (av_isdigit(*(p + addchar_count))) {
549 32 nd = nd * 10 + *(p + addchar_count) - '0';
550 32 addchar_count++;
551 }
552
553
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 51 if (*(p + addchar_count) == placeholder) {
554
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 51 av_bprintf(&buf, "%0*"PRId64, (number < 0) ? nd : nd++, number);
555 51 p += (addchar_count + 1);
556 51 addchar_count = 0;
557 51 found_count++;
558 }
559
560 } else
561 4310 addchar_count = 1;
562
563 4361 av_bprint_append_data(&buf, p, addchar_count);
564 4361 p += addchar_count;
565 }
566
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 51 if (!av_bprint_is_complete(&buf)) {
567 ✗ av_bprint_finalize(&buf, NULL);
568 ✗ return AVERROR(ENOMEM);
569 }
570
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 51 if ((ret = av_bprint_finalize(&buf, s)) < 0)
571 ✗ return ret;
572 51 return found_count;
573 }
574
575 6 static void write_styp(AVIOContext *pb)
576 {
577 6 avio_wb32(pb, 24);
578 6 ffio_wfourcc(pb, "styp");
579 6 ffio_wfourcc(pb, "msdh");
580 6 avio_wb32(pb, 0); /* minor */
581 6 ffio_wfourcc(pb, "msdh");
582 6 ffio_wfourcc(pb, "msix");
583 6 }
584
585 61 static int flush_dynbuf(VariantStream *vs, int *range_length)
586 {
587 61 AVFormatContext *ctx = vs->avf;
588
589
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 61 if (!ctx->pb) {
590 ✗ return AVERROR(EINVAL);
591 }
592
593 // flush
594 61 av_write_frame(ctx, NULL);
595
596 // write out to file
597 61 *range_length = avio_close_dyn_buf(ctx->pb, &vs->temp_buffer);
598 61 ctx->pb = NULL;
599 61 avio_write(vs->out, vs->temp_buffer, *range_length);
600 61 avio_flush(vs->out);
601
602 // re-open buffer
603 61 return avio_open_dyn_buf(&ctx->pb);
604 }
605
606 ✗ static void reflush_dynbuf(VariantStream *vs, int *range_length)
607 {
608 // re-open buffer
609 ✗ avio_write(vs->out, vs->temp_buffer, *range_length);
610 ✗ }
611
612 ✗ static int hls_delete_file(HLSContext *hls, AVFormatContext *avf,
613 char *path, const char *proto)
614 {
615 ✗ if (hls->method || (proto && !av_strcasecmp(proto, "http"))) {
616 ✗ AVDictionary *opt = NULL;
617 int ret;
618
619 ✗ set_http_options(avf, &opt, hls);
620 ✗ av_dict_set(&opt, "method", "DELETE", 0);
621
622 ✗ ret = hlsenc_io_open(avf, &hls->http_delete, path, &opt);
623 ✗ av_dict_free(&opt);
624 ✗ if (ret < 0)
625 ✗ return hls->ignore_io_errors ? 1 : ret;
626
627 //Nothing to write
628 ✗ hlsenc_io_close(avf, &hls->http_delete, path);
629 ✗ } else if (unlink(path) < 0) {
630 ✗ av_log(hls, AV_LOG_ERROR, "failed to delete old segment %s: %s\n",
631 ✗ path, strerror(errno));
632 }
633 ✗ return 0;
634 }
635
636 ✗ static int hls_delete_old_segments(AVFormatContext *s, HLSContext *hls,
637 VariantStream *vs)
638 {
639
640 ✗ HLSSegment *segment, *previous_segment = NULL;
641 ✗ float playlist_duration = 0.0f;
642 ✗ int ret = 0;
643 ✗ int segment_cnt = 0;
644 AVBPrint path;
645 ✗ const char *dirname = NULL;
646 ✗ char *dirname_r = NULL;
647 ✗ char *dirname_repl = NULL;
648 ✗ const char *vtt_dirname = NULL;
649 ✗ char *vtt_dirname_r = NULL;
650 ✗ const char *proto = NULL;
651
652 ✗ av_bprint_init(&path, 0, AV_BPRINT_SIZE_UNLIMITED);
653
654 ✗ segment = vs->segments;
655 ✗ while (segment) {
656 ✗ playlist_duration += segment->duration;
657 ✗ segment = segment->next;
658 }
659
660 ✗ segment = vs->old_segments;
661 ✗ segment_cnt = 0;
662 ✗ while (segment) {
663 ✗ playlist_duration -= segment->duration;
664 ✗ previous_segment = segment;
665 ✗ segment = previous_segment->next;
666 ✗ segment_cnt++;
667 ✗ if (playlist_duration <= -previous_segment->duration) {
668 ✗ previous_segment->next = NULL;
669 ✗ break;
670 }
671 ✗ if (segment_cnt >= hls->hls_delete_threshold) {
672 ✗ previous_segment->next = NULL;
673 ✗ break;
674 }
675 }
676
677 ✗ if (segment && !hls->use_localtime_mkdir) {
678 ✗ dirname_r = hls->segment_filename ? av_strdup(hls->segment_filename): av_strdup(vs->avf->url);
679 ✗ dirname = av_dirname(dirname_r);
680 }
681
682 /* if %v is present in the file's directory
683 * all segment belongs to the same variant, so do it only once before the loop*/
684 ✗ if (dirname && av_stristr(dirname, "%v")) {
685 ✗ if (!vs->varname) {
686 ✗ if (replace_int_data_in_filename(&dirname_repl, dirname, 'v', segment->var_stream_idx) < 1) {
687 ✗ ret = AVERROR(EINVAL);
688 ✗ goto fail;
689 }
690 } else {
691 ✗ if (replace_str_data_in_filename(&dirname_repl, dirname, 'v', vs->varname) < 1) {
692 ✗ ret = AVERROR(EINVAL);
693 ✗ goto fail;
694 }
695 }
696
697 ✗ dirname = dirname_repl;
698 }
699
700 ✗ while (segment) {
701 ✗ av_log(hls, AV_LOG_DEBUG, "deleting old segment %s\n",
702 ✗ segment->filename);
703 ✗ if (!hls->use_localtime_mkdir) // segment->filename contains basename only
704 ✗ av_bprintf(&path, "%s/", dirname);
705 ✗ av_bprintf(&path, "%s", segment->filename);
706
707 ✗ if (!av_bprint_is_complete(&path)) {
708 ✗ ret = AVERROR(ENOMEM);
709 ✗ goto fail;
710 }
711
712 ✗ proto = avio_find_protocol_name(s->url);
713 ✗ if (ret = hls_delete_file(hls, s, path.str, proto))
714 ✗ goto fail;
715
716 ✗ if ((segment->sub_filename[0] != '\0')) {
717 ✗ vtt_dirname_r = av_strdup(vs->vtt_avf->url);
718 ✗ vtt_dirname = av_dirname(vtt_dirname_r);
719
720 ✗ av_bprint_clear(&path);
721 ✗ av_bprintf(&path, "%s/%s", vtt_dirname, segment->sub_filename);
722 ✗ av_freep(&vtt_dirname_r);
723
724 ✗ if (!av_bprint_is_complete(&path)) {
725 ✗ ret = AVERROR(ENOMEM);
726 ✗ goto fail;
727 }
728
729 ✗ if (ret = hls_delete_file(hls, s, path.str, proto))
730 ✗ goto fail;
731 }
732 ✗ av_bprint_clear(&path);
733 ✗ previous_segment = segment;
734 ✗ segment = previous_segment->next;
735 ✗ av_freep(&previous_segment);
736 }
737
738 ✗ fail:
739 ✗ av_bprint_finalize(&path, NULL);
740 ✗ av_freep(&dirname_r);
741 ✗ av_freep(&dirname_repl);
742
743 ✗ return ret;
744 }
745
746 ✗ static int do_encrypt(AVFormatContext *s, VariantStream *vs)
747 {
748 ✗ HLSContext *hls = s->priv_data;
749 int ret;
750 int len;
751 AVIOContext *pb;
752 uint8_t key[KEYSIZE];
753 ✗ char * key_basename_source = (hls->master_m3u8_url) ? hls->master_m3u8_url : s->url;
754
755 ✗ len = strlen(key_basename_source) + 4 + 1;
756 ✗ hls->key_basename = av_mallocz(len);
757 ✗ if (!hls->key_basename)
758 ✗ return AVERROR(ENOMEM);
759
760 ✗ av_strlcpy(hls->key_basename, key_basename_source, len);
761 ✗ av_strlcat(hls->key_basename, ".key", len);
762
763 ✗ if (hls->key_url) {
764 ✗ av_strlcpy(hls->key_file, hls->key_url, sizeof(hls->key_file));
765 ✗ av_strlcpy(hls->key_uri, hls->key_url, sizeof(hls->key_uri));
766 } else {
767 ✗ av_strlcpy(hls->key_file, hls->key_basename, sizeof(hls->key_file));
768 ✗ av_strlcpy(hls->key_uri, hls->key_basename, sizeof(hls->key_uri));
769 }
770
771 ✗ if (!*hls->iv_string) {
772 ✗ uint8_t iv[16] = { 0 };
773 char buf[33];
774
775 ✗ if (!hls->iv) {
776 ✗ AV_WB64(iv + 8, vs->sequence);
777 } else {
778 ✗ memcpy(iv, hls->iv, sizeof(iv));
779 }
780 ✗ ff_data_to_hex(buf, iv, sizeof(iv), 0);
781 ✗ memcpy(hls->iv_string, buf, sizeof(hls->iv_string));
782 }
783
784 ✗ if (!*hls->key_uri) {
785 ✗ av_log(hls, AV_LOG_ERROR, "no key URI specified in key info file\n");
786 ✗ return AVERROR(EINVAL);
787 }
788
789 ✗ if (!*hls->key_file) {
790 ✗ av_log(hls, AV_LOG_ERROR, "no key file specified in key info file\n");
791 ✗ return AVERROR(EINVAL);
792 }
793
794 ✗ if (!*hls->key_string) {
795 ✗ AVDictionary *options = NULL;
796 ✗ if (!hls->key) {
797 ✗ if ((ret = av_random_bytes(key, sizeof(key))) < 0) {
798 ✗ av_log(s, AV_LOG_ERROR, "Cannot generate a strong random key\n");
799 ✗ return ret;
800 }
801 } else {
802 ✗ memcpy(key, hls->key, sizeof(key));
803 }
804
805 ✗ ff_data_to_hex(hls->key_string, key, sizeof(key), 0);
806 ✗ set_http_options(s, &options, hls);
807 ✗ ret = s->io_open(s, &pb, hls->key_file, AVIO_FLAG_WRITE, &options);
808 ✗ av_dict_free(&options);
809 ✗ if (ret < 0)
810 ✗ return ret;
811 ✗ avio_seek(pb, 0, SEEK_CUR);
812 ✗ avio_write(pb, key, KEYSIZE);
813 ✗ avio_close(pb);
814 }
815 ✗ return 0;
816 }
817
818
819 ✗ static int hls_encryption_start(AVFormatContext *s, VariantStream *vs)
820 {
821 ✗ HLSContext *hls = s->priv_data;
822 int ret;
823 AVIOContext *pb;
824 uint8_t key[KEYSIZE];
825 ✗ AVDictionary *options = NULL;
826
827 ✗ set_http_options(s, &options, hls);
828 ✗ ret = s->io_open(s, &pb, hls->key_info_file, AVIO_FLAG_READ, &options);
829 ✗ av_dict_free(&options);
830 ✗ if (ret < 0) {
831 ✗ av_log(hls, AV_LOG_ERROR,
832 "error opening key info file %s\n", hls->key_info_file);
833 ✗ return ret;
834 }
835
836 ✗ ff_get_line(pb, vs->key_uri, sizeof(vs->key_uri));
837 ✗ vs->key_uri[strcspn(vs->key_uri, "\r\n")] = '\0';
838
839 ✗ ff_get_line(pb, vs->key_file, sizeof(vs->key_file));
840 ✗ vs->key_file[strcspn(vs->key_file, "\r\n")] = '\0';
841
842 ✗ ff_get_line(pb, vs->iv_string, sizeof(vs->iv_string));
843 ✗ vs->iv_string[strcspn(vs->iv_string, "\r\n")] = '\0';
844
845 ✗ ff_format_io_close(s, &pb);
846
847 ✗ if (!*vs->key_uri) {
848 ✗ av_log(hls, AV_LOG_ERROR, "no key URI specified in key info file\n");
849 ✗ return AVERROR(EINVAL);
850 }
851
852 ✗ if (!*vs->key_file) {
853 ✗ av_log(hls, AV_LOG_ERROR, "no key file specified in key info file\n");
854 ✗ return AVERROR(EINVAL);
855 }
856
857 ✗ set_http_options(s, &options, hls);
858 ✗ ret = s->io_open(s, &pb, vs->key_file, AVIO_FLAG_READ, &options);
859 ✗ av_dict_free(&options);
860 ✗ if (ret < 0) {
861 ✗ av_log(hls, AV_LOG_ERROR, "error opening key file %s\n", vs->key_file);
862 ✗ return ret;
863 }
864
865 ✗ ret = avio_read(pb, key, sizeof(key));
866 ✗ ff_format_io_close(s, &pb);
867 ✗ if (ret != sizeof(key)) {
868 ✗ av_log(hls, AV_LOG_ERROR, "error reading key file %s\n", vs->key_file);
869 ✗ if (ret >= 0 || ret == AVERROR_EOF)
870 ✗ ret = AVERROR(EINVAL);
871 ✗ return ret;
872 }
873 ✗ ff_data_to_hex(vs->key_string, key, sizeof(key), 0);
874
875 ✗ return 0;
876 }
877
878 11 static int hls_mux_init(AVFormatContext *s, VariantStream *vs)
879 {
880 11 AVDictionary *options = NULL;
881 11 HLSContext *hls = s->priv_data;
882 AVFormatContext *oc;
883 11 AVFormatContext *vtt_oc = NULL;
884
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 11 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
885 int remaining_options;
886 int i, ret;
887
888 11 ret = avformat_alloc_output_context2(&vs->avf, vs->oformat, NULL, NULL);
889
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 11 if (ret < 0)
890 ✗ return ret;
891 11 oc = vs->avf;
892
893 11 oc->url = av_strdup("");
894
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 11 if (!oc->url)
895 ✗ return AVERROR(ENOMEM);
896
897 11 oc->interrupt_callback = s->interrupt_callback;
898 11 oc->max_delay = s->max_delay;
899 11 oc->opaque = s->opaque;
900 11 oc->io_open = s->io_open;
901 11 oc->io_close2 = s->io_close2;
902 11 oc->strict_std_compliance = s->strict_std_compliance;
903 11 av_dict_copy(&oc->metadata, s->metadata, 0);
904
905
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 11 if (vs->vtt_oformat) {
906 ✗ ret = avformat_alloc_output_context2(&vs->vtt_avf, vs->vtt_oformat, NULL, NULL);
907 ✗ if (ret < 0)
908 ✗ return ret;
909 ✗ vtt_oc = vs->vtt_avf;
910 ✗ av_dict_copy(&vtt_oc->metadata, s->metadata, 0);
911 }
912
913
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 22 for (i = 0; i < vs->nb_streams; i++) {
914 AVStream *st;
915 AVFormatContext *loc;
916
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 11 if (vs->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
917 ✗ loc = vtt_oc;
918 else
919 11 loc = oc;
920
921
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 11 if (!(st = avformat_new_stream(loc, NULL)))
922 ✗ return AVERROR(ENOMEM);
923 11 ret = avcodec_parameters_copy(st->codecpar, vs->streams[i]->codecpar);
924
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 11 if (ret < 0)
925 ✗ return ret;
926
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 11 if (!oc->oformat->codec_tag ||
927
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 3 av_codec_get_id (oc->oformat->codec_tag, vs->streams[i]->codecpar->codec_tag) == st->codecpar->codec_id ||
928 1 av_codec_get_tag(oc->oformat->codec_tag, vs->streams[i]->codecpar->codec_id) <= 0) {
929 10 st->codecpar->codec_tag = vs->streams[i]->codecpar->codec_tag;
930 } else {
931 1 st->codecpar->codec_tag = 0;
932 }
933
934 11 st->sample_aspect_ratio = vs->streams[i]->sample_aspect_ratio;
935 11 st->time_base = vs->streams[i]->time_base;
936 11 av_dict_copy(&st->metadata, vs->streams[i]->metadata, 0);
937 11 st->id = vs->streams[i]->id;
938 }
939
940 11 vs->start_pos = 0;
941 11 vs->new_start = 1;
942
943
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 11 if (hls->segment_type == SEGMENT_TYPE_FMP4 && hls->max_seg_size > 0) {
944 ✗ if (hls->http_persistent > 0) {
945 //TODO: Support fragment fmp4 for http persistent in HLS muxer.
946 ✗ av_log(s, AV_LOG_WARNING, "http persistent mode is currently unsupported for fragment mp4 in the HLS muxer.\n");
947 }
948 ✗ if (hls->max_seg_size > 0) {
949 ✗ av_log(s, AV_LOG_WARNING, "Multi-file byterange mode is currently unsupported in the HLS muxer.\n");
950 ✗ return AVERROR_PATCHWELCOME;
951 }
952 }
953
954
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 11 if ((ret = avio_open_dyn_buf(&oc->pb)) < 0)
955 ✗ return ret;
956
957
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 11 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
958 2 set_http_options(s, &options, hls);
959
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 2 if (byterange_mode) {
960 ✗ ret = hlsenc_io_open(s, &vs->out, vs->basename, &options);
961 } else {
962 2 ret = hlsenc_io_open(s, &vs->out, vs->base_output_dirname, &options);
963 }
964 2 av_dict_free(&options);
965 }
966
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 11 if (ret < 0) {
967 ✗ av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", vs->fmp4_init_filename);
968 ✗ return ret;
969 }
970
971 11 av_dict_copy(&options, hls->format_options, 0);
972
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 11 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
973 2 av_dict_set(&options, "fflags", "-autobsf", 0);
974 2 av_dict_set(&options, "movflags", "+frag_custom+dash+delay_moov", AV_DICT_APPEND);
975 } else {
976 /* We only require one PAT/PMT per segment. */
977 char period[21];
978 9 snprintf(period, sizeof(period), "%d", (INT_MAX / 2) - 1);
979 9 av_dict_set(&options, "sdt_period", period, AV_DICT_DONT_OVERWRITE);
980 9 av_dict_set(&options, "pat_period", period, AV_DICT_DONT_OVERWRITE);
981 }
982 11 ret = avformat_init_output(oc, &options);
983 11 remaining_options = av_dict_count(options);
984 11 av_dict_free(&options);
985
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 11 if (ret < 0)
986 ✗ return ret;
987
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 11 if (remaining_options) {
988 ✗ av_log(s, AV_LOG_ERROR, "Some of the provided format options are not recognized\n");
989 ✗ return AVERROR(EINVAL);
990 }
991 11 avio_flush(oc->pb);
992 11 return 0;
993 }
994
995 123 static HLSSegment *find_segment_by_filename(HLSSegment *segment, const char *filename)
996 {
997
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 281 while (segment) {
998
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 173 if (!av_strcasecmp(segment->filename,filename))
999 15 return segment;
1000 158 segment = segment->next;
1001 }
1002 108 return (HLSSegment *) NULL;
1003 }
1004
1005 69 static int sls_flags_filename_process(struct AVFormatContext *s, HLSContext *hls,
1006 VariantStream *vs, HLSSegment *en,
1007 double duration, int64_t pos, int64_t size)
1008 {
1009
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 69 if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
1010 ✗ strlen(vs->current_segment_final_filename_fmt)) {
1011 ✗ char * new_url = av_strdup(vs->current_segment_final_filename_fmt);
1012 ✗ if (!new_url) {
1013 ✗ return AVERROR(ENOMEM);
1014 }
1015 ✗ ff_format_set_url(vs->avf, new_url);
1016 ✗ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
1017 ✗ char *filename = NULL;
1018 ✗ if (replace_int_data_in_filename(&filename, vs->avf->url, 's', pos + size) < 1) {
1019 ✗ av_log(hls, AV_LOG_ERROR,
1020 "Invalid second level segment filename template '%s', "
1021 "you can try to remove second_level_segment_size flag\n",
1022 ✗ vs->avf->url);
1023 ✗ av_freep(&filename);
1024 ✗ return AVERROR(EINVAL);
1025 }
1026 ✗ ff_format_set_url(vs->avf, filename);
1027 }
1028 ✗ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
1029 ✗ char *filename = NULL;
1030 ✗ if (replace_int_data_in_filename(&filename, vs->avf->url,
1031 ✗ 't', (int64_t)round(duration * HLS_MICROSECOND_UNIT)) < 1) {
1032 ✗ av_log(hls, AV_LOG_ERROR,
1033 "Invalid second level segment filename template '%s', "
1034 "you can try to remove second_level_segment_duration flag\n",
1035 ✗ vs->avf->url);
1036 ✗ av_freep(&filename);
1037 ✗ return AVERROR(EINVAL);
1038 }
1039 ✗ ff_format_set_url(vs->avf, filename);
1040 }
1041 }
1042 69 return 0;
1043 }
1044
1045 11 static int sls_flag_check_duration_size_index(HLSContext *hls)
1046 {
1047 11 int ret = 0;
1048
1049
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 11 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
1050 ✗ av_log(hls, AV_LOG_ERROR,
1051 "second_level_segment_duration hls_flag requires strftime to be true\n");
1052 ✗ ret = AVERROR(EINVAL);
1053 }
1054
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 11 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
1055 ✗ av_log(hls, AV_LOG_ERROR,
1056 "second_level_segment_size hls_flag requires strfime to be true\n");
1057 ✗ ret = AVERROR(EINVAL);
1058 }
1059
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 11 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
1060 ✗ av_log(hls, AV_LOG_ERROR,
1061 "second_level_segment_index hls_flag requires strftime to be true\n");
1062 ✗ ret = AVERROR(EINVAL);
1063 }
1064
1065 11 return ret;
1066 }
1067
1068 ✗ static int sls_flag_check_duration_size(HLSContext *hls, VariantStream *vs)
1069 {
1070 ✗ const char *proto = avio_find_protocol_name(vs->basename);
1071 ✗ int segment_renaming_ok = proto && !strcmp(proto, "file");
1072 ✗ int ret = 0;
1073
1074 ✗ if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) && !segment_renaming_ok) {
1075 ✗ av_log(hls, AV_LOG_ERROR,
1076 "second_level_segment_duration hls_flag works only with file protocol segment names\n");
1077 ✗ ret = AVERROR(EINVAL);
1078 }
1079 ✗ if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) && !segment_renaming_ok) {
1080 ✗ av_log(hls, AV_LOG_ERROR,
1081 "second_level_segment_size hls_flag works only with file protocol segment names\n");
1082 ✗ ret = AVERROR(EINVAL);
1083 }
1084
1085 ✗ return ret;
1086 }
1087
1088 52 static void sls_flag_file_rename(HLSContext *hls, VariantStream *vs, char *old_filename) {
1089
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 52 if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
1090 ✗ strlen(vs->current_segment_final_filename_fmt)) {
1091 ✗ ff_rename(old_filename, vs->avf->url, hls);
1092 }
1093 52 }
1094
1095 ✗ static int sls_flag_use_localtime_filename(AVFormatContext *oc, HLSContext *c, VariantStream *vs)
1096 {
1097 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
1098 ✗ char *filename = NULL;
1099 ✗ if (replace_int_data_in_filename(&filename,
1100 ✗ oc->url, 'd', vs->sequence) < 1) {
1101 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
1102 "you can try to remove second_level_segment_index flag\n",
1103 oc->url);
1104 ✗ av_freep(&filename);
1105 ✗ return AVERROR(EINVAL);
1106 }
1107 ✗ ff_format_set_url(oc, filename);
1108 }
1109 ✗ if (c->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) {
1110 ✗ av_strlcpy(vs->current_segment_final_filename_fmt, oc->url,
1111 sizeof(vs->current_segment_final_filename_fmt));
1112 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
1113 ✗ char *filename = NULL;
1114 ✗ if (replace_int_data_in_filename(&filename, oc->url, 's', 0) < 1) {
1115 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
1116 "you can try to remove second_level_segment_size flag\n",
1117 oc->url);
1118 ✗ av_freep(&filename);
1119 ✗ return AVERROR(EINVAL);
1120 }
1121 ✗ ff_format_set_url(oc, filename);
1122 }
1123 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
1124 ✗ char *filename = NULL;
1125 ✗ if (replace_int_data_in_filename(&filename, oc->url, 't', 0) < 1) {
1126 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
1127 "you can try to remove second_level_segment_duration flag\n",
1128 oc->url);
1129 ✗ av_freep(&filename);
1130 ✗ return AVERROR(EINVAL);
1131 }
1132 ✗ ff_format_set_url(oc, filename);
1133 }
1134 }
1135 ✗ return 0;
1136 }
1137
1138 /* Create a new segment and append it to the segment list */
1139 69 static int hls_append_segment(struct AVFormatContext *s, HLSContext *hls,
1140 VariantStream *vs, double duration, int64_t pos,
1141 int64_t size)
1142 {
1143 69 HLSSegment *en = av_malloc(sizeof(*en));
1144 const char *filename;
1145
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 69 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
1146 int ret;
1147
1148
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 69 if (!en)
1149 ✗ return AVERROR(ENOMEM);
1150
1151 69 vs->total_size += size;
1152 69 vs->total_duration += duration;
1153
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 69 if (duration > 0.5) {
1154 // Don't include the final, possibly very short segment in the
1155 // calculation of the max bitrate.
1156 69 int cur_bitrate = (int)(8 * size / duration);
1157
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 69 if (cur_bitrate > vs->max_bitrate)
1158 28 vs->max_bitrate = cur_bitrate;
1159 }
1160
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✗ Branch 1 not taken.
 69 if (vs->total_duration > 0)
1161 69 vs->avg_bitrate = (int)(8 * vs->total_size / vs->total_duration);
1162
1163 69 en->var_stream_idx = vs->var_stream_idx;
1164 69 ret = sls_flags_filename_process(s, hls, vs, en, duration, pos, size);
1165
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 69 if (ret < 0) {
1166 ✗ av_freep(&en);
1167 ✗ return ret;
1168 }
1169
1170 69 filename = av_basename(vs->avf->url);
1171
1172
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 69 if (hls->use_localtime_mkdir) {
1173 ✗ filename = vs->avf->url;
1174 }
1175
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 69 if (vs->nb_entries <= 5000 && (find_segment_by_filename(vs->segments, filename) || find_segment_by_filename(vs->old_segments, filename))
1176
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 15 && !byterange_mode) {
1177 ✗ av_log(hls, AV_LOG_WARNING, "Duplicated segment filename detected: %s\n", filename);
1178 }
1179 69 av_strlcpy(en->filename, filename, sizeof(en->filename));
1180
1181
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 69 if (vs->has_subtitle)
1182 ✗ av_strlcpy(en->sub_filename, av_basename(vs->vtt_avf->url), sizeof(en->sub_filename));
1183 else
1184 69 en->sub_filename[0] = '\0';
1185
1186 69 en->duration = duration;
1187 69 en->pos = pos;
1188 69 en->size = size;
1189 69 en->keyframe_pos = vs->video_keyframe_pos;
1190 69 en->keyframe_size = vs->video_keyframe_size;
1191 69 en->next = NULL;
1192 69 en->discont = 0;
1193 69 en->discont_program_date_time = 0;
1194
1195
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 69 if (vs->discontinuity) {
1196 1 en->discont = 1;
1197 1 vs->discontinuity = 0;
1198 }
1199
1200
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 69 if (hls->key_info_file || hls->encrypt) {
1201 ✗ av_strlcpy(en->key_uri, vs->key_uri, sizeof(en->key_uri));
1202 ✗ av_strlcpy(en->iv_string, vs->iv_string, sizeof(en->iv_string));
1203 }
1204
1205
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 69 if (!vs->segments)
1206 11 vs->segments = en;
1207 else
1208 58 vs->last_segment->next = en;
1209
1210 69 vs->last_segment = en;
1211
1212 // EVENT or VOD playlists imply sliding window cannot be used
1213
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 69 if (hls->pl_type != PLAYLIST_TYPE_NONE)
1214 ✗ hls->max_nb_segments = 0;
1215
1216
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 69 if (hls->max_nb_segments && vs->nb_entries >= hls->max_nb_segments) {
1217 8 en = vs->segments;
1218
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 8 if (!en->next->discont_program_date_time && !en->discont_program_date_time)
1219 8 vs->initial_prog_date_time += en->duration;
1220 8 vs->segments = en->next;
1221
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 8 if (en && hls->flags & HLS_DELETE_SEGMENTS &&
1222 ✗ !(hls->flags & HLS_SINGLE_FILE)) {
1223 ✗ en->next = vs->old_segments;
1224 ✗ vs->old_segments = en;
1225 ✗ if ((ret = hls_delete_old_segments(s, hls, vs)) < 0)
1226 ✗ return ret;
1227 } else
1228 8 av_freep(&en);
1229 } else
1230 61 vs->nb_entries++;
1231
1232
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 69 if (hls->max_seg_size > 0) {
1233 10 return 0;
1234 }
1235 59 vs->sequence++;
1236
1237 59 return 0;
1238 }
1239
1240 ✗ static int extract_segment_number(const char *filename) {
1241 ✗ const char *dot = strrchr(filename, '.');
1242 ✗ const char *num_start = dot - 1;
1243
1244 ✗ while (num_start > filename && *num_start >= '0' && *num_start <= '9') {
1245 ✗ num_start--;
1246 }
1247
1248 ✗ num_start++;
1249
1250 ✗ if (num_start == dot)
1251 ✗ return -1;
1252
1253 ✗ return atoi(num_start);
1254 }
1255
1256 1 static int parse_playlist(AVFormatContext *s, const char *url, VariantStream *vs)
1257 {
1258 1 HLSContext *hls = s->priv_data;
1259 AVIOContext *in;
1260 1 int ret = 0, is_segment = 0;
1261 int64_t new_start_pos;
1262 char line[MAX_URL_SIZE];
1263 const char *ptr;
1264 const char *end;
1265 1 double discont_program_date_time = 0;
1266
1267
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 1 if ((ret = ffio_open_whitelist(&in, url, AVIO_FLAG_READ,
1268 1 &s->interrupt_callback, NULL,
1269 1 s->protocol_whitelist, s->protocol_blacklist)) < 0)
1270 ✗ return ret;
1271
1272 1 ff_get_chomp_line(in, line, sizeof(line));
1273
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 1 if (strcmp(line, "#EXTM3U")) {
1274 ✗ ret = AVERROR_INVALIDDATA;
1275 ✗ goto fail;
1276 }
1277
1278 1 vs->discontinuity = 0;
1279
2/2
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 11 while (!avio_feof(in)) {
1280 10 ff_get_chomp_line(in, line, sizeof(line));
1281
2/2
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✓ Branch 2 taken 9 times.
 10 if (av_strstart(line, "#EXT-X-MEDIA-SEQUENCE:", &ptr)) {
1282 1 int64_t tmp_sequence = strtoll(ptr, NULL, 10);
1283
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 1 if (tmp_sequence < vs->sequence)
1284 ✗ av_log(hls, AV_LOG_VERBOSE,
1285 "Found playlist sequence number was smaller """
1286 "than specified start sequence number: %"PRId64" < %"PRId64", "
1287 "omitting\n", tmp_sequence, hls->start_sequence);
1288 else {
1289 1 av_log(hls, AV_LOG_DEBUG, "Found playlist sequence number: %"PRId64"\n", tmp_sequence);
1290 1 vs->sequence = tmp_sequence;
1291 }
1292
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 9 } else if (av_strstart(line, "#EXT-X-DISCONTINUITY", &ptr)) {
1293 ✗ is_segment = 1;
1294 ✗ vs->discontinuity = 1;
1295
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 9 } else if (av_strstart(line, "#EXTINF:", &ptr)) {
1296 2 is_segment = 1;
1297 2 vs->duration = atof(ptr);
1298
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✓ Branch 2 taken 7 times.
 7 } else if (av_stristart(line, "#EXT-X-KEY:", &ptr)) {
1299 ✗ ptr = av_stristr(line, "URI=\"");
1300 ✗ if (ptr) {
1301 ✗ ptr += strlen("URI=\"");
1302 ✗ end = av_stristr(ptr, ",");
1303 ✗ if (end) {
1304 ✗ av_strlcpy(vs->key_uri, ptr, end - ptr);
1305 } else {
1306 ✗ av_strlcpy(vs->key_uri, ptr, sizeof(vs->key_uri));
1307 }
1308 }
1309
1310 ✗ ptr = av_stristr(line, "IV=0x");
1311 ✗ if (ptr) {
1312 ✗ ptr += strlen("IV=0x");
1313 ✗ end = av_stristr(ptr, ",");
1314 ✗ if (end) {
1315 ✗ av_strlcpy(vs->iv_string, ptr, end - ptr);
1316 } else {
1317 ✗ av_strlcpy(vs->iv_string, ptr, sizeof(vs->iv_string));
1318 }
1319 }
1320
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 7 } else if (av_strstart(line, "#EXT-X-PROGRAM-DATE-TIME:", &ptr)) {
1321 struct tm program_date_time;
1322 int y,M,d,h,m,s;
1323 double ms;
1324 ✗ if (sscanf(ptr, "%d-%d-%dT%d:%d:%d.%lf", &y, &M, &d, &h, &m, &s, &ms) != 7) {
1325 ✗ ret = AVERROR_INVALIDDATA;
1326 ✗ goto fail;
1327 }
1328
1329 ✗ program_date_time.tm_year = y - 1900;
1330 ✗ program_date_time.tm_mon = M - 1;
1331 ✗ program_date_time.tm_mday = d;
1332 ✗ program_date_time.tm_hour = h;
1333 ✗ program_date_time.tm_min = m;
1334 ✗ program_date_time.tm_sec = s;
1335 ✗ program_date_time.tm_isdst = -1;
1336
1337 ✗ discont_program_date_time = mktime(&program_date_time);
1338 ✗ discont_program_date_time += (double)(ms / 1000);
1339
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 7 } else if (av_strstart(line, "#", NULL)) {
1340 4 continue;
1341
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 3 } else if (line[0]) {
1342
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 2 if (is_segment) {
1343 2 char *new_file = av_strdup(line);
1344
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✓ Branch 1 taken 2 times.
 2 if (!new_file) {
1345 ✗ ret = AVERROR(ENOMEM);
1346 ✗ goto fail;
1347 }
1348 2 ff_format_set_url(vs->avf, new_file);
1349
1350
1/2
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 2 if (vs->has_subtitle) {
1351 ✗ int vtt_index = extract_segment_number(line);
1352 ✗ const char *vtt_basename = av_basename(vs->vtt_basename);
1353 ✗ int len = strlen(vtt_basename) + 11;
1354 ✗ char *vtt_file = av_mallocz(len);
1355 ✗ if (!vtt_file) {
1356 ✗ ret = AVERROR(ENOMEM);
1357 ✗ goto fail;
1358 }
1359 ✗ snprintf(vtt_file, len, vtt_basename, vtt_index);
1360 ✗ ff_format_set_url(vs->vtt_avf, vtt_file);
1361 }
1362
1363 2 is_segment = 0;
1364 2 new_start_pos = avio_tell(vs->avf->pb);
1365 2 vs->size = new_start_pos - vs->start_pos;
1366 2 ret = hls_append_segment(s, hls, vs, vs->duration, vs->start_pos, vs->size);
1367
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 2 if (discont_program_date_time) {
1368 ✗ vs->last_segment->discont_program_date_time = discont_program_date_time;
1369 ✗ discont_program_date_time += vs->duration;
1370 }
1371
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 2 if (ret < 0)
1372 ✗ goto fail;
1373 2 vs->start_pos = new_start_pos;
1374 }
1375 }
1376 }
1377
1378 1 fail:
1379 1 avio_close(in);
1380 1 return ret;
1381 }
1382
1383 22 static void hls_free_segments(HLSSegment *p)
1384 {
1385 HLSSegment *en;
1386
1387
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✓ Branch 1 taken 22 times.
 83 while (p) {
1388 61 en = p;
1389 61 p = p->next;
1390 61 av_freep(&en);
1391 }
1392 22 }
1393
1394 ✗ static int hls_rename_temp_file(AVFormatContext *s, AVFormatContext *oc)
1395 {
1396 ✗ size_t len = strlen(oc->url);
1397 ✗ char *final_filename = av_strdup(oc->url);
1398 int ret;
1399
1400 ✗ if (!final_filename)
1401 ✗ return AVERROR(ENOMEM);
1402 ✗ final_filename[len-4] = '\0';
1403 ✗ ret = ff_rename(oc->url, final_filename, s);
1404 ✗ oc->url[len-4] = '\0';
1405 ✗ av_freep(&final_filename);
1406 ✗ return ret;
1407 }
1408
1409 ✗ static const char* get_relative_url(const char *master_url, const char *media_url)
1410 {
1411 ✗ const char *p = strrchr(master_url, '/');
1412 ✗ size_t base_len = 0;
1413
1414 ✗ if (!p) p = strrchr(master_url, '\\');
1415
1416 ✗ if (p) {
1417 ✗ base_len = p - master_url;
1418 ✗ if (av_strncasecmp(master_url, media_url, base_len)) {
1419 ✗ av_log(NULL, AV_LOG_WARNING, "Unable to find relative url\n");
1420 ✗ return NULL;
1421 }
1422 } else {
1423 ✗ return media_url;
1424 }
1425
1426 ✗ return media_url + base_len + 1;
1427 }
1428
1429 ✗ static int64_t get_stream_bit_rate(AVStream *stream)
1430 {
1431 ✗ const AVPacketSideData *sd = av_packet_side_data_get(
1432 ✗ stream->codecpar->coded_side_data, stream->codecpar->nb_coded_side_data,
1433 AV_PKT_DATA_CPB_PROPERTIES
1434 );
1435
1436 ✗ if (stream->codecpar->bit_rate)
1437 ✗ return stream->codecpar->bit_rate;
1438 ✗ else if (sd) {
1439 ✗ AVCPBProperties *props = (AVCPBProperties*)sd->data;
1440 ✗ return props->max_bitrate;
1441 }
1442
1443 ✗ return 0;
1444 }
1445
1446 ✗ static int create_master_playlist(AVFormatContext *s,
1447 VariantStream * const input_vs,
1448 int final)
1449 {
1450 ✗ HLSContext *hls = s->priv_data;
1451 VariantStream *vs, *temp_vs;
1452 AVStream *vid_st, *aud_st;
1453 ✗ AVDictionary *options = NULL;
1454 unsigned int i, j;
1455 int ret, bandwidth, avg_bandwidth;
1456 ✗ const char *m3u8_rel_name = NULL;
1457 ✗ const char *vtt_m3u8_rel_name = NULL;
1458 const char *ccgroup;
1459 ✗ const char *sgroup = NULL;
1460 ClosedCaptionsStream *ccs;
1461 ✗ const char *proto = avio_find_protocol_name(hls->master_m3u8_url);
1462 ✗ int is_file_proto = proto && !strcmp(proto, "file");
1463 ✗ int use_temp_file = is_file_proto && ((hls->flags & HLS_TEMP_FILE) || hls->master_publish_rate);
1464 char temp_filename[MAX_URL_SIZE];
1465 int nb_channels;
1466
1467 ✗ input_vs->m3u8_created = 1;
1468 ✗ if (!hls->master_m3u8_created) {
1469 /* For the first time, wait until all the media playlists are created */
1470 ✗ for (i = 0; i < hls->nb_varstreams; i++)
1471 ✗ if (!hls->var_streams[i].m3u8_created)
1472 ✗ return 0;
1473 } else {
1474 /* Keep publishing the master playlist at the configured rate */
1475 ✗ if ((&hls->var_streams[0] != input_vs || !hls->master_publish_rate ||
1476 ✗ input_vs->number % hls->master_publish_rate) && !final)
1477 ✗ return 0;
1478 }
1479
1480 ✗ set_http_options(s, &options, hls);
1481 ✗ snprintf(temp_filename, sizeof(temp_filename), use_temp_file ? "%s.tmp" : "%s", hls->master_m3u8_url);
1482 ✗ ret = hlsenc_io_open(s, &hls->m3u8_out, temp_filename, &options);
1483 ✗ av_dict_free(&options);
1484 ✗ if (ret < 0) {
1485 ✗ av_log(s, AV_LOG_ERROR, "Failed to open master play list file '%s'\n",
1486 temp_filename);
1487 ✗ goto fail;
1488 }
1489
1490 ✗ ff_hls_write_playlist_version(hls->m3u8_out, hls->version);
1491
1492 ✗ for (i = 0; i < hls->nb_ccstreams; i++) {
1493 ✗ ccs = &(hls->cc_streams[i]);
1494 ✗ avio_printf(hls->m3u8_out, "#EXT-X-MEDIA:TYPE=CLOSED-CAPTIONS");
1495 ✗ avio_printf(hls->m3u8_out, ",GROUP-ID=\"%s\"", ccs->ccgroup);
1496 ✗ avio_printf(hls->m3u8_out, ",NAME=\"%s\"", ccs->instreamid);
1497 ✗ if (ccs->language)
1498 ✗ avio_printf(hls->m3u8_out, ",LANGUAGE=\"%s\"", ccs->language);
1499 ✗ avio_printf(hls->m3u8_out, ",INSTREAM-ID=\"%s\"\n", ccs->instreamid);
1500 }
1501
1502 /* For audio only variant streams add #EXT-X-MEDIA tag with attributes*/
1503 ✗ for (i = 0; i < hls->nb_varstreams; i++) {
1504 ✗ vs = &(hls->var_streams[i]);
1505
1506 ✗ if (vs->has_video || vs->has_subtitle || !vs->agroup)
1507 ✗ continue;
1508
1509 ✗ m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->m3u8_name);
1510 ✗ if (!m3u8_rel_name) {
1511 ✗ av_log(s, AV_LOG_ERROR, "Unable to find relative URL\n");
1512 ✗ goto fail;
1513 }
1514 ✗ nb_channels = 0;
1515 ✗ for (j = 0; j < vs->nb_streams; j++)
1516 ✗ if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
1517 ✗ if (vs->streams[j]->codecpar->ch_layout.nb_channels > nb_channels)
1518 ✗ nb_channels = vs->streams[j]->codecpar->ch_layout.nb_channels;
1519
1520 ✗ ff_hls_write_audio_rendition(hls->m3u8_out, vs->agroup, m3u8_rel_name, vs->language, i, hls->has_default_key ? vs->is_default : 1, nb_channels);
1521 }
1522
1523 /* For variant streams with video add #EXT-X-STREAM-INF tag with attributes*/
1524 ✗ for (i = 0; i < hls->nb_varstreams; i++) {
1525 ✗ vs = &(hls->var_streams[i]);
1526
1527 ✗ m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->m3u8_name);
1528 ✗ if (!m3u8_rel_name) {
1529 ✗ av_log(s, AV_LOG_ERROR, "Unable to find relative URL\n");
1530 ✗ goto fail;
1531 }
1532
1533 ✗ vid_st = NULL;
1534 ✗ aud_st = NULL;
1535 ✗ for (j = 0; j < vs->nb_streams; j++) {
1536 ✗ if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
1537 ✗ vid_st = vs->streams[j];
1538 ✗ else if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
1539 ✗ aud_st = vs->streams[j];
1540 }
1541
1542 ✗ if (!vid_st && !aud_st) {
1543 ✗ av_log(s, AV_LOG_WARNING, "Media stream not found\n");
1544 ✗ continue;
1545 }
1546
1547 /**
1548 * Traverse through the list of audio only rendition streams and find
1549 * the rendition which has highest bitrate in the same audio group
1550 */
1551 ✗ if (vs->agroup) {
1552 ✗ for (j = 0; j < hls->nb_varstreams; j++) {
1553 ✗ temp_vs = &(hls->var_streams[j]);
1554 ✗ if (!temp_vs->has_video && !temp_vs->has_subtitle &&
1555 ✗ temp_vs->agroup &&
1556 ✗ !av_strcasecmp(temp_vs->agroup, vs->agroup)) {
1557 ✗ if (!aud_st)
1558 ✗ aud_st = temp_vs->streams[0];
1559 ✗ if (temp_vs->streams[0]->codecpar->bit_rate >
1560 ✗ aud_st->codecpar->bit_rate)
1561 ✗ aud_st = temp_vs->streams[0];
1562 }
1563 }
1564 }
1565
1566 ✗ if (final) {
1567 ✗ bandwidth = vs->max_bitrate;
1568 ✗ avg_bandwidth = vs->avg_bitrate;
1569 } else {
1570 ✗ bandwidth = 0;
1571 ✗ if (vid_st)
1572 ✗ bandwidth += get_stream_bit_rate(vid_st);
1573 ✗ if (aud_st)
1574 ✗ bandwidth += get_stream_bit_rate(aud_st);
1575 ✗ bandwidth += bandwidth / 10;
1576 }
1577
1578 ✗ ccgroup = NULL;
1579 ✗ if (vid_st && vs->ccgroup) {
1580 /* check if this group name is available in the cc map string */
1581 ✗ for (j = 0; j < hls->nb_ccstreams; j++) {
1582 ✗ ccs = &(hls->cc_streams[j]);
1583 ✗ if (!av_strcasecmp(ccs->ccgroup, vs->ccgroup)) {
1584 ✗ ccgroup = vs->ccgroup;
1585 ✗ break;
1586 }
1587 }
1588 ✗ if (j == hls->nb_ccstreams)
1589 ✗ av_log(s, AV_LOG_WARNING, "mapping ccgroup %s not found\n",
1590 vs->ccgroup);
1591 }
1592
1593 ✗ if (vid_st && vs->sgroup) {
1594 ✗ sgroup = vs->sgroup;
1595 ✗ vtt_m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->vtt_m3u8_name);
1596 ✗ if (!vtt_m3u8_rel_name) {
1597 ✗ av_log(s, AV_LOG_WARNING, "Unable to find relative subtitle URL\n");
1598 ✗ break;
1599 }
1600
1601 ✗ ff_hls_write_subtitle_rendition(hls->m3u8_out, sgroup, vtt_m3u8_rel_name, vs->language,
1602 ✗ vs->subtitle_varname, i, hls->has_default_key ? vs->is_default : 1);
1603 }
1604
1605 ✗ if (!hls->has_default_key || !hls->has_video_m3u8) {
1606 ✗ ff_hls_write_stream_info(vid_st, hls->m3u8_out, bandwidth, avg_bandwidth, m3u8_rel_name,
1607 ✗ aud_st ? vs->agroup : NULL, vs->codec_attr, ccgroup, sgroup);
1608 } else {
1609 ✗ if (vid_st) {
1610 ✗ ff_hls_write_stream_info(vid_st, hls->m3u8_out, bandwidth, avg_bandwidth, m3u8_rel_name,
1611 ✗ aud_st ? vs->agroup : NULL, vs->codec_attr, ccgroup, sgroup);
1612 }
1613 }
1614 }
1615 ✗ fail:
1616 ✗ if (ret >=0)
1617 ✗ hls->master_m3u8_created = 1;
1618 ✗ hlsenc_io_close(s, &hls->m3u8_out, temp_filename);
1619 ✗ if (use_temp_file)
1620 ✗ ff_rename(temp_filename, hls->master_m3u8_url, s);
1621
1622 ✗ return ret;
1623 }
1624
1625 67 static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
1626 {
1627 67 HLSContext *hls = s->priv_data;
1628 HLSSegment *en;
1629 67 int target_duration = 0;
1630 67 int ret = 0;
1631 char temp_filename[MAX_URL_SIZE];
1632 char temp_vtt_filename[MAX_URL_SIZE];
1633 67 int64_t sequence = FFMAX(hls->start_sequence, vs->sequence - vs->nb_entries);
1634 67 const char *proto = avio_find_protocol_name(vs->m3u8_name);
1635
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 67 int is_file_proto = proto && !strcmp(proto, "file");
1636
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 67 int use_temp_file = is_file_proto && ((hls->flags & HLS_TEMP_FILE) || !(hls->pl_type == PLAYLIST_TYPE_VOD));
1637 static unsigned warned_non_file;
1638 67 char *key_uri = NULL;
1639 67 char *iv_string = NULL;
1640 67 AVDictionary *options = NULL;
1641 67 double prog_date_time = vs->initial_prog_date_time;
1642
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 67 double *prog_date_time_p = (hls->flags & HLS_PROGRAM_DATE_TIME) ? &prog_date_time : NULL;
1643
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 67 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
1644
1645 67 hls->version = 2;
1646
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 67 if (!(hls->flags & HLS_ROUND_DURATIONS)) {
1647 67 hls->version = 3;
1648 }
1649
1650
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 67 if (byterange_mode) {
1651 20 hls->version = 4;
1652 20 sequence = 0;
1653 }
1654
1655
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 67 if (hls->flags & HLS_I_FRAMES_ONLY) {
1656 ✗ hls->version = 4;
1657 }
1658
1659
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 67 if (hls->flags & HLS_INDEPENDENT_SEGMENTS) {
1660 ✗ hls->version = 6;
1661 }
1662
1663
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 67 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
1664 6 hls->version = 7;
1665 }
1666
1667
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 67 if (!is_file_proto && (hls->flags & HLS_TEMP_FILE) && !warned_non_file++)
1668 ✗ av_log(s, AV_LOG_ERROR, "Cannot use rename on non file protocol, this may lead to races and temporary partial files\n");
1669
1670 67 set_http_options(s, &options, hls);
1671
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 67 snprintf(temp_filename, sizeof(temp_filename), use_temp_file ? "%s.tmp" : "%s", vs->m3u8_name);
1672
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 67 ret = hlsenc_io_open(s, byterange_mode ? &hls->m3u8_out : &vs->out, temp_filename, &options);
1673 67 av_dict_free(&options);
1674
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 67 if (ret < 0) {
1675 ✗ goto fail;
1676 }
1677
1678
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 337 for (en = vs->segments; en; en = en->next) {
1679
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 270 if (target_duration <= en->duration)
1680 187 target_duration = lrint(en->duration);
1681 }
1682
1683 67 vs->discontinuity_set = 0;
1684 67 ff_hls_write_playlist_header(byterange_mode ? hls->m3u8_out : vs->out, hls->version, hls->allowcache,
1685
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 67 target_duration, sequence, hls->pl_type, hls->flags & HLS_I_FRAMES_ONLY);
1686
1687
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 67 if ((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0) {
1688 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-DISCONTINUITY\n");
1689 ✗ vs->discontinuity_set = 1;
1690 }
1691
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 67 if (vs->has_video && (hls->flags & HLS_INDEPENDENT_SEGMENTS)) {
1692 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-INDEPENDENT-SEGMENTS\n");
1693 }
1694
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 337 for (en = vs->segments; en; en = en->next) {
1695
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 270 if ((hls->encrypt || hls->key_info_file) && (!key_uri || strcmp(en->key_uri, key_uri) ||
1696 ✗ av_strcasecmp(en->iv_string, iv_string))) {
1697 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-KEY:METHOD=AES-128,URI=\"%s\"", en->key_uri);
1698 ✗ if (*en->iv_string)
1699 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, ",IV=0x%s", en->iv_string);
1700 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "\n");
1701 ✗ key_uri = en->key_uri;
1702 ✗ iv_string = en->iv_string;
1703 }
1704
1705
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 270 if ((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == vs->segments)) {
1706
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 6 ff_hls_write_init_file(byterange_mode ? hls->m3u8_out : vs->out, (hls->flags & HLS_SINGLE_FILE) ? en->filename : vs->fmp4_init_filename,
1707
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 6 hls->flags & HLS_SINGLE_FILE, vs->init_range_length, 0);
1708 }
1709
1710 540 ret = ff_hls_write_file_entry(byterange_mode ? hls->m3u8_out : vs->out, en->discont, byterange_mode,
1711 270 en->duration, hls->flags & HLS_ROUND_DURATIONS,
1712 270 en->size, en->pos, hls->baseurl,
1713
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 270 en->filename,
1714 270 en->discont_program_date_time ? &en->discont_program_date_time : prog_date_time_p,
1715
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 270 en->keyframe_size, en->keyframe_pos, hls->flags & HLS_I_FRAMES_ONLY);
1716
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 270 if (en->discont_program_date_time)
1717 ✗ en->discont_program_date_time -= en->duration;
1718
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 270 if (ret < 0) {
1719 ✗ av_log(s, AV_LOG_WARNING, "ff_hls_write_file_entry get error\n");
1720 }
1721 }
1722
1723
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 67 if (last && (hls->flags & HLS_OMIT_ENDLIST)==0)
1724
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 10 ff_hls_write_end_list(byterange_mode ? hls->m3u8_out : vs->out);
1725
1726
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 67 if (vs->vtt_m3u8_name) {
1727 ✗ set_http_options(vs->vtt_avf, &options, hls);
1728 ✗ snprintf(temp_vtt_filename, sizeof(temp_vtt_filename), use_temp_file ? "%s.tmp" : "%s", vs->vtt_m3u8_name);
1729 ✗ ret = hlsenc_io_open(s, &hls->sub_m3u8_out, temp_vtt_filename, &options);
1730 ✗ av_dict_free(&options);
1731 ✗ if (ret < 0) {
1732 ✗ goto fail;
1733 }
1734 ✗ ff_hls_write_playlist_header(hls->sub_m3u8_out, hls->version, hls->allowcache,
1735 target_duration, sequence, PLAYLIST_TYPE_NONE, 0);
1736 ✗ for (en = vs->segments; en; en = en->next) {
1737 ✗ ret = ff_hls_write_file_entry(hls->sub_m3u8_out, en->discont, byterange_mode,
1738 en->duration, 0, en->size, en->pos,
1739 ✗ hls->baseurl, en->sub_filename, NULL, 0, 0, 0);
1740 ✗ if (ret < 0) {
1741 ✗ av_log(s, AV_LOG_WARNING, "ff_hls_write_file_entry get error\n");
1742 }
1743 }
1744
1745 ✗ if (last && !(hls->flags & HLS_OMIT_ENDLIST))
1746 ✗ ff_hls_write_end_list(hls->sub_m3u8_out);
1747
1748 }
1749
1750 67 fail:
1751 67 av_dict_free(&options);
1752
2/2
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 67 ret = hlsenc_io_close(s, byterange_mode ? &hls->m3u8_out : &vs->out, temp_filename);
1753
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 67 if (ret < 0) {
1754 ✗ return ret;
1755 }
1756 67 hlsenc_io_close(s, &hls->sub_m3u8_out, vs->vtt_m3u8_name);
1757
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 67 if (use_temp_file) {
1758 67 ff_rename(temp_filename, vs->m3u8_name, s);
1759
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 67 if (vs->vtt_m3u8_name)
1760 ✗ ff_rename(temp_vtt_filename, vs->vtt_m3u8_name, s);
1761 }
1762
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 67 if (ret >= 0 && hls->master_pl_name)
1763 ✗ if (create_master_playlist(s, vs, last) < 0)
1764 ✗ av_log(s, AV_LOG_WARNING, "Master playlist creation failed\n");
1765
1766 67 return ret;
1767 }
1768
1769 52 static int hls_start(AVFormatContext *s, VariantStream *vs)
1770 {
1771 52 HLSContext *c = s->priv_data;
1772 52 AVFormatContext *oc = vs->avf;
1773 52 AVFormatContext *vtt_oc = vs->vtt_avf;
1774 52 AVDictionary *options = NULL;
1775 52 const char *proto = NULL;
1776 52 int use_temp_file = 0;
1777 char iv_string[KEYSIZE*2 + 1];
1778 52 int err = 0;
1779
1780
2/2
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 52 if (c->flags & HLS_SINGLE_FILE) {
1781 1 char *new_name = av_strdup(vs->basename);
1782
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 1 if (!new_name)
1783 ✗ return AVERROR(ENOMEM);
1784 1 ff_format_set_url(oc, new_name);
1785
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 1 if (vs->vtt_basename) {
1786 ✗ new_name = av_strdup(vs->vtt_basename);
1787 ✗ if (!new_name)
1788 ✗ return AVERROR(ENOMEM);
1789 ✗ ff_format_set_url(vtt_oc, new_name);
1790 }
1791
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 51 } else if (c->max_seg_size > 0) {
1792 4 char *filename = NULL;
1793
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 4 if (replace_int_data_in_filename(&filename,
1794 4 vs->basename, 'd', vs->sequence) < 1) {
1795 ✗ av_freep(&filename);
1796 ✗ av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s', you can try to use -strftime 1 with it\n", vs->basename);
1797 ✗ return AVERROR(EINVAL);
1798 }
1799 4 ff_format_set_url(oc, filename);
1800 } else {
1801
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 47 if (c->use_localtime) {
1802 int r;
1803 ✗ char *expanded = NULL;
1804
1805 ✗ r = strftime_expand(vs->basename, &expanded);
1806 ✗ if (r < 0) {
1807 ✗ av_log(oc, AV_LOG_ERROR, "Could not get segment filename with strftime\n");
1808 ✗ return r;
1809 }
1810 ✗ ff_format_set_url(oc, expanded);
1811
1812 ✗ err = sls_flag_use_localtime_filename(oc, c, vs);
1813 ✗ if (err < 0) {
1814 ✗ return AVERROR(ENOMEM);
1815 }
1816
1817 ✗ if (c->use_localtime_mkdir) {
1818 const char *dir;
1819 ✗ char *fn_copy = av_strdup(oc->url);
1820 ✗ if (!fn_copy)
1821 ✗ return AVERROR(ENOMEM);
1822 ✗ dir = av_dirname(fn_copy);
1823 ✗ if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
1824 ✗ av_log(oc, AV_LOG_ERROR, "Could not create directory %s with use_localtime_mkdir\n", dir);
1825 ✗ av_freep(&fn_copy);
1826 ✗ return AVERROR(errno);
1827 }
1828 ✗ av_freep(&fn_copy);
1829 }
1830 } else {
1831 47 char *filename = NULL;
1832
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 47 if (replace_int_data_in_filename(&filename,
1833 47 vs->basename, 'd', vs->sequence) < 1) {
1834 ✗ av_freep(&filename);
1835 ✗ av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s' you can try to use -strftime 1 with it\n", vs->basename);
1836 ✗ return AVERROR(EINVAL);
1837 }
1838 47 ff_format_set_url(oc, filename);
1839 }
1840
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 47 if (vs->vtt_basename) {
1841 ✗ char *filename = NULL;
1842 ✗ if (replace_int_data_in_filename(&filename,
1843 ✗ vs->vtt_basename, 'd', vs->sequence) < 1) {
1844 ✗ av_freep(&filename);
1845 ✗ av_log(vtt_oc, AV_LOG_ERROR, "Invalid segment filename template '%s'\n", vs->vtt_basename);
1846 ✗ return AVERROR(EINVAL);
1847 }
1848 ✗ ff_format_set_url(vtt_oc, filename);
1849 }
1850 }
1851
1852 52 proto = avio_find_protocol_name(oc->url);
1853
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 52 use_temp_file = proto && !strcmp(proto, "file") && (c->flags & HLS_TEMP_FILE);
1854
1855
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 52 if (use_temp_file) {
1856 ✗ char *new_name = av_asprintf("%s.tmp", oc->url);
1857 ✗ if (!new_name)
1858 ✗ return AVERROR(ENOMEM);
1859 ✗ ff_format_set_url(oc, new_name);
1860 }
1861
1862
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 52 if (c->key_info_file || c->encrypt) {
1863 ✗ if (c->segment_type == SEGMENT_TYPE_FMP4) {
1864 ✗ av_log(s, AV_LOG_ERROR, "Encrypted fmp4 not yet supported\n");
1865 ✗ return AVERROR_PATCHWELCOME;
1866 }
1867
1868 ✗ if (c->key_info_file && c->encrypt) {
1869 ✗ av_log(s, AV_LOG_WARNING, "Cannot use both -hls_key_info_file and -hls_enc,"
1870 " ignoring -hls_enc\n");
1871 }
1872
1873 ✗ if (!vs->encrypt_started || (c->flags & HLS_PERIODIC_REKEY)) {
1874 ✗ if (c->key_info_file) {
1875 ✗ if ((err = hls_encryption_start(s, vs)) < 0)
1876 ✗ goto fail;
1877 } else {
1878 ✗ if (!c->encrypt_started) {
1879 ✗ if ((err = do_encrypt(s, vs)) < 0)
1880 ✗ goto fail;
1881 ✗ c->encrypt_started = 1;
1882 }
1883 ✗ av_strlcpy(vs->key_uri, c->key_uri, sizeof(vs->key_uri));
1884 ✗ av_strlcpy(vs->key_string, c->key_string, sizeof(vs->key_string));
1885 ✗ av_strlcpy(vs->iv_string, c->iv_string, sizeof(vs->iv_string));
1886 }
1887 ✗ vs->encrypt_started = 1;
1888 }
1889 ✗ err = av_strlcpy(iv_string, vs->iv_string, sizeof(iv_string));
1890 ✗ if (!err) {
1891 ✗ snprintf(iv_string, sizeof(iv_string), "%032"PRIx64, vs->sequence);
1892 ✗ memset(vs->iv_string, 0, sizeof(vs->iv_string));
1893 ✗ memcpy(vs->iv_string, iv_string, sizeof(iv_string));
1894 }
1895 }
1896
2/2
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 52 if (c->segment_type != SEGMENT_TYPE_FMP4) {
1897
2/4
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 46 if (oc->oformat->priv_class && oc->priv_data) {
1898 46 av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
1899 }
1900
2/2
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 46 if (c->flags & HLS_SINGLE_FILE) {
1901
2/4
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✓ Branch 3 taken 1 times.
 1 if (c->key_info_file || c->encrypt) {
1902 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
1903 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
1904
1905 /* Write temp file with cryption content */
1906 ✗ av_freep(&vs->basename_tmp);
1907 ✗ vs->basename_tmp = av_asprintf("crypto:%s.tmp", oc->url);
1908
1909 /* append temp file content into single file */
1910 ✗ av_freep(&vs->basename);
1911 ✗ vs->basename = av_asprintf("%s", oc->url);
1912 } else {
1913 1 vs->basename_tmp = vs->basename;
1914 }
1915 1 set_http_options(s, &options, c);
1916
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 1 if (!vs->out_single_file)
1917
1/2
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 1 if ((err = hlsenc_io_open(s, &vs->out_single_file, vs->basename, &options)) < 0) {
1918 ✗ if (c->ignore_io_errors)
1919 ✗ err = 0;
1920 ✗ goto fail;
1921 }
1922
1923
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1 times.
 1 if ((err = hlsenc_io_open(s, &vs->out, vs->basename_tmp, &options)) < 0) {
1924 ✗ if (c->ignore_io_errors)
1925 ✗ err = 0;
1926 ✗ goto fail;
1927 }
1928
1929 }
1930 }
1931
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 52 times.
 52 if (vs->vtt_basename) {
1932 ✗ set_http_options(s, &options, c);
1933 ✗ if ((err = hlsenc_io_open(s, &vtt_oc->pb, vtt_oc->url, &options)) < 0) {
1934 ✗ if (c->ignore_io_errors)
1935 ✗ err = 0;
1936 ✗ goto fail;
1937 }
1938 }
1939 52 av_dict_free(&options);
1940
1941
1/2
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 52 if (vs->vtt_basename) {
1942 ✗ err = avformat_write_header(vtt_oc,NULL);
1943 ✗ if (err < 0)
1944 ✗ return err;
1945 }
1946
1947 52 return 0;
1948 ✗ fail:
1949 ✗ av_dict_free(&options);
1950
1951 ✗ return err;
1952 }
1953
1954 ✗ static const char * get_default_pattern_localtime_fmt(AVFormatContext *s)
1955 {
1956 ✗ HLSContext *hls = s->priv_data;
1957 #if HAVE_LIBC_MSVCRT
1958 // no %s support on MSVC, which invokes the invalid parameter handler
1959 // on unsupported format strings, instead of returning an error
1960 int strftime_s_supported = 0;
1961 #else
1962 char b[21];
1963 ✗ time_t t = time(NULL);
1964 ✗ struct tm tmbuf, *p = localtime_r(&t, &tmbuf);
1965 // no %s support when strftime returned error or left format string unchanged
1966 ✗ int strftime_s_supported = strftime(b, sizeof(b), "%s", p) && strcmp(b, "%s");
1967 #endif
1968
1969 ✗ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
1970 ✗ return strftime_s_supported ? "-%s.m4s" : "-%Y%m%d%H%M%S.m4s";
1971 }
1972 ✗ return strftime_s_supported ? "-%s.ts" : "-%Y%m%d%H%M%S.ts";
1973 }
1974
1975 ✗ static int append_postfix(char *name, int name_buf_len, int i)
1976 {
1977 char *p;
1978 ✗ char extension[10] = {'\0'};
1979
1980 ✗ p = strrchr(name, '.');
1981 ✗ if (p) {
1982 ✗ av_strlcpy(extension, p, sizeof(extension));
1983 ✗ *p = '\0';
1984 }
1985
1986 ✗ snprintf(name + strlen(name), name_buf_len - strlen(name), POSTFIX_PATTERN, i);
1987
1988 ✗ if (strlen(extension))
1989 ✗ av_strlcat(name, extension, name_buf_len);
1990
1991 ✗ return 0;
1992 }
1993
1994 25 static int validate_name(int nb_vs, const char *fn)
1995 {
1996 const char *filename, *subdir_name;
1997 25 char *fn_dup = NULL;
1998 25 int ret = 0;
1999
2000
1/2
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 25 if (!fn)
2001 ✗ return AVERROR(EINVAL);
2002
2003 25 fn_dup = av_strdup(fn);
2004
1/2
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 25 if (!fn_dup)
2005 ✗ return AVERROR(ENOMEM);
2006 25 filename = av_basename(fn);
2007 25 subdir_name = av_dirname(fn_dup);
2008
2009
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 25 if (nb_vs > 1 && !av_stristr(filename, "%v") && !av_stristr(subdir_name, "%v")) {
2010 ✗ av_log(NULL, AV_LOG_ERROR, "More than 1 variant streams are present, %%v is expected "
2011 "either in the filename or in the sub-directory name of file %s\n", fn);
2012 ✗ ret = AVERROR(EINVAL);
2013 ✗ goto fail;
2014 }
2015
2016
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 25 if (av_stristr(filename, "%v") && av_stristr(subdir_name, "%v")) {
2017 ✗ av_log(NULL, AV_LOG_ERROR, "%%v is expected either in the filename or "
2018 "in the sub-directory name of file %s, but only in one of them\n", fn);
2019 ✗ ret = AVERROR(EINVAL);
2020 ✗ goto fail;
2021 }
2022
2023 25 fail:
2024 25 av_freep(&fn_dup);
2025 25 return ret;
2026 }
2027
2028 22 static int format_name(const char *buf, char **s, int index, const char *varname)
2029 {
2030 const char *proto, *dir;
2031 22 char *orig_buf_dup = NULL, *mod_buf_dup = NULL;
2032 22 int ret = 0;
2033
2034 22 orig_buf_dup = av_strdup(buf);
2035
1/2
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 22 if (!orig_buf_dup)
2036 ✗ return AVERROR(ENOMEM);
2037
2038
1/2
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✗ Branch 2 not taken.
 22 if (!av_stristr(buf, "%v")) {
2039 22 *s = orig_buf_dup;
2040 22 return 0;
2041 }
2042
2043 ✗ if (!varname) {
2044 ✗ if (replace_int_data_in_filename(s, orig_buf_dup, 'v', index) < 1) {
2045 ✗ ret = AVERROR(EINVAL);
2046 ✗ goto fail;
2047 }
2048 } else {
2049 ✗ if (replace_str_data_in_filename(s, orig_buf_dup, 'v', varname) < 1) {
2050 ✗ ret = AVERROR(EINVAL);
2051 ✗ goto fail;
2052 }
2053 }
2054
2055 ✗ proto = avio_find_protocol_name(orig_buf_dup);
2056 ✗ dir = av_dirname(orig_buf_dup);
2057
2058 /* if %v is present in the file's directory, create sub-directory */
2059 ✗ if (av_stristr(dir, "%v") && proto && !strcmp(proto, "file")) {
2060 ✗ mod_buf_dup = av_strdup(*s);
2061 ✗ dir = av_dirname(mod_buf_dup);
2062 ✗ if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
2063 ✗ ret = AVERROR(errno);
2064 ✗ goto fail;
2065 }
2066 }
2067
2068 ✗ fail:
2069 ✗ av_freep(&orig_buf_dup);
2070 ✗ av_freep(&mod_buf_dup);
2071 ✗ return ret;
2072 }
2073
2074 ✗ static int get_nth_codec_stream_index(AVFormatContext *s,
2075 enum AVMediaType codec_type,
2076 int64_t stream_id)
2077 {
2078 unsigned int stream_index, cnt;
2079 ✗ if (stream_id < 0 || stream_id > s->nb_streams - 1)
2080 ✗ return -1;
2081 ✗ cnt = 0;
2082 ✗ for (stream_index = 0; stream_index < s->nb_streams; stream_index++) {
2083 ✗ if (s->streams[stream_index]->codecpar->codec_type != codec_type)
2084 ✗ continue;
2085 ✗ if (cnt == stream_id)
2086 ✗ return stream_index;
2087 ✗ cnt++;
2088 }
2089 ✗ return -1;
2090 }
2091
2092 ✗ static int parse_variant_stream_mapstring(AVFormatContext *s)
2093 {
2094 ✗ HLSContext *hls = s->priv_data;
2095 VariantStream *vs;
2096 int stream_index, i, j;
2097 enum AVMediaType codec_type;
2098 ✗ int nb_varstreams = 0, nb_streams;
2099 char *p, *q, *saveptr1, *saveptr2, *varstr, *keyval;
2100 const char *val;
2101
2102 /**
2103 * Expected format for var_stream_map string is as below:
2104 * "a:0,v:0 a:1,v:1"
2105 * "a:0,agroup:a0,default:1,language:ENG a:1,agroup:a1,default:0 v:0,agroup:a0 v:1,agroup:a1"
2106 * This string specifies how to group the audio, video and subtitle streams
2107 * into different variant streams. The variant stream groups are separated
2108 * by space.
2109 *
2110 * a:, v:, s: are keys to specify audio, video and subtitle streams
2111 * respectively. Allowed values are 0 to 9 digits (limited just based on
2112 * practical usage)
2113 *
2114 * agroup: is key to specify audio group. A string can be given as value.
2115 * sgroup: is key to specify subtitle group. A string can be given as value.
2116 */
2117 ✗ p = av_strdup(hls->var_stream_map);
2118 ✗ if (!p)
2119 ✗ return AVERROR(ENOMEM);
2120
2121 ✗ q = p;
2122 ✗ while (av_strtok(q, " \t", &saveptr1)) {
2123 ✗ q = NULL;
2124 ✗ nb_varstreams++;
2125 }
2126 ✗ av_freep(&p);
2127
2128 ✗ hls->var_streams = av_mallocz(sizeof(*hls->var_streams) * nb_varstreams);
2129 ✗ if (!hls->var_streams)
2130 ✗ return AVERROR(ENOMEM);
2131 ✗ hls->nb_varstreams = nb_varstreams;
2132
2133 ✗ p = hls->var_stream_map;
2134 ✗ nb_varstreams = 0;
2135 ✗ while (varstr = av_strtok(p, " \t", &saveptr1)) {
2136 ✗ p = NULL;
2137
2138 ✗ if (nb_varstreams < hls->nb_varstreams) {
2139 ✗ vs = &(hls->var_streams[nb_varstreams]);
2140 ✗ vs->var_stream_idx = nb_varstreams;
2141 ✗ vs->is_default = 0;
2142 ✗ nb_varstreams++;
2143 } else
2144 ✗ return AVERROR(EINVAL);
2145
2146 ✗ q = varstr;
2147 while (1) {
2148 ✗ if (!av_strncasecmp(q, "a:", 2) || !av_strncasecmp(q, "v:", 2) ||
2149 ✗ !av_strncasecmp(q, "s:", 2))
2150 ✗ vs->nb_streams++;
2151 ✗ q = strchr(q, ',');
2152 ✗ if (!q)
2153 ✗ break;
2154 ✗ q++;
2155 }
2156 ✗ vs->streams = av_mallocz(sizeof(AVStream *) * vs->nb_streams);
2157 ✗ if (!vs->streams)
2158 ✗ return AVERROR(ENOMEM);
2159
2160 ✗ nb_streams = 0;
2161 ✗ while (keyval = av_strtok(varstr, ",", &saveptr2)) {
2162 int64_t num;
2163 char *end;
2164 ✗ varstr = NULL;
2165 ✗ if (av_strstart(keyval, "language:", &val)) {
2166 ✗ vs->language = val;
2167 ✗ continue;
2168 ✗ } else if (av_strstart(keyval, "default:", &val)) {
2169 ✗ vs->is_default = (!av_strncasecmp(val, "YES", strlen("YES")) ||
2170 ✗ (!av_strncasecmp(val, "1", strlen("1"))));
2171 ✗ hls->has_default_key = 1;
2172 ✗ continue;
2173 ✗ } else if (av_strstart(keyval, "name:", &val)) {
2174 ✗ vs->varname = val;
2175 ✗ continue;
2176 ✗ } else if (av_strstart(keyval, "sname:", &val)) {
2177 ✗ vs->subtitle_varname = val;
2178 ✗ continue;
2179 ✗ } else if (av_strstart(keyval, "agroup:", &val)) {
2180 ✗ vs->agroup = val;
2181 ✗ continue;
2182 ✗ } else if (av_strstart(keyval, "sgroup:", &val)) {
2183 ✗ vs->sgroup = val;
2184 ✗ continue;
2185 ✗ } else if (av_strstart(keyval, "ccgroup:", &val)) {
2186 ✗ vs->ccgroup = val;
2187 ✗ continue;
2188 ✗ } else if (av_strstart(keyval, "v:", &val)) {
2189 ✗ codec_type = AVMEDIA_TYPE_VIDEO;
2190 ✗ hls->has_video_m3u8 = 1;
2191 ✗ } else if (av_strstart(keyval, "a:", &val)) {
2192 ✗ codec_type = AVMEDIA_TYPE_AUDIO;
2193 ✗ } else if (av_strstart(keyval, "s:", &val)) {
2194 ✗ codec_type = AVMEDIA_TYPE_SUBTITLE;
2195 } else {
2196 ✗ av_log(s, AV_LOG_ERROR, "Invalid keyval %s\n", keyval);
2197 ✗ return AVERROR(EINVAL);
2198 }
2199
2200 ✗ num = strtoll(val, &end, 10);
2201 ✗ if (!av_isdigit(*val) || *end != '\0') {
2202 ✗ av_log(s, AV_LOG_ERROR, "Invalid stream number: '%s'\n", val);
2203 ✗ return AVERROR(EINVAL);
2204 }
2205 ✗ stream_index = get_nth_codec_stream_index(s, codec_type, num);
2206
2207 ✗ if (stream_index >= 0 && nb_streams < vs->nb_streams) {
2208 ✗ for (i = 0; nb_streams > 0 && i < nb_streams; i++) {
2209 ✗ if (vs->streams[i] == s->streams[stream_index]) {
2210 ✗ av_log(s, AV_LOG_ERROR, "Same elementary stream found more than once inside "
2211 "variant definition #%d\n", nb_varstreams - 1);
2212 ✗ return AVERROR(EINVAL);
2213 }
2214 }
2215 ✗ for (j = 0; nb_varstreams > 1 && j < nb_varstreams - 1; j++) {
2216 ✗ for (i = 0; i < hls->var_streams[j].nb_streams; i++) {
2217 ✗ if (hls->var_streams[j].streams[i] == s->streams[stream_index]) {
2218 ✗ av_log(s, AV_LOG_ERROR, "Same elementary stream found more than once "
2219 "in two different variant definitions #%d and #%d\n",
2220 j, nb_varstreams - 1);
2221 ✗ return AVERROR(EINVAL);
2222 }
2223 }
2224 }
2225 ✗ vs->streams[nb_streams++] = s->streams[stream_index];
2226 } else {
2227 ✗ av_log(s, AV_LOG_ERROR, "Unable to map stream at %s\n", keyval);
2228 ✗ return AVERROR(EINVAL);
2229 }
2230 }
2231 }
2232 ✗ av_log(s, AV_LOG_DEBUG, "Number of variant streams %d\n",
2233 hls->nb_varstreams);
2234
2235 ✗ return 0;
2236 }
2237
2238 ✗ static int parse_cc_stream_mapstring(AVFormatContext *s)
2239 {
2240 ✗ HLSContext *hls = s->priv_data;
2241 ✗ int nb_ccstreams = 0;
2242 char *p, *q, *ccstr, *keyval;
2243 ✗ char *saveptr1 = NULL, *saveptr2 = NULL;
2244 const char *val;
2245 ClosedCaptionsStream *ccs;
2246
2247 ✗ p = av_strdup(hls->cc_stream_map);
2248 ✗ if(!p)
2249 ✗ return AVERROR(ENOMEM);
2250
2251 ✗ q = p;
2252 ✗ while (av_strtok(q, " \t", &saveptr1)) {
2253 ✗ q = NULL;
2254 ✗ nb_ccstreams++;
2255 }
2256 ✗ av_freep(&p);
2257
2258 ✗ hls->cc_streams = av_mallocz(sizeof(*hls->cc_streams) * nb_ccstreams);
2259 ✗ if (!hls->cc_streams)
2260 ✗ return AVERROR(ENOMEM);
2261 ✗ hls->nb_ccstreams = nb_ccstreams;
2262
2263 ✗ p = hls->cc_stream_map;
2264 ✗ nb_ccstreams = 0;
2265 ✗ while (ccstr = av_strtok(p, " \t", &saveptr1)) {
2266 ✗ p = NULL;
2267
2268 ✗ if (nb_ccstreams < hls->nb_ccstreams)
2269 ✗ ccs = &(hls->cc_streams[nb_ccstreams++]);
2270 else
2271 ✗ return AVERROR(EINVAL);
2272
2273 ✗ while (keyval = av_strtok(ccstr, ",", &saveptr2)) {
2274 ✗ ccstr = NULL;
2275
2276 ✗ if (av_strstart(keyval, "ccgroup:", &val)) {
2277 ✗ ccs->ccgroup = val;
2278 ✗ } else if (av_strstart(keyval, "instreamid:", &val)) {
2279 ✗ ccs->instreamid = val;
2280 ✗ } else if (av_strstart(keyval, "language:", &val)) {
2281 ✗ ccs->language = val;
2282 } else {
2283 ✗ av_log(s, AV_LOG_ERROR, "Invalid keyval %s\n", keyval);
2284 ✗ return AVERROR(EINVAL);
2285 }
2286 }
2287
2288 ✗ if (!ccs->ccgroup || !ccs->instreamid) {
2289 ✗ av_log(s, AV_LOG_ERROR, "Insufficient parameters in cc stream map string\n");
2290 ✗ return AVERROR(EINVAL);
2291 }
2292
2293 ✗ if (av_strstart(ccs->instreamid, "CC", &val)) {
2294 ✗ if (atoi(val) < 1 || atoi(val) > 4) {
2295 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID CC index %d in %s, range 1-4\n",
2296 atoi(val), ccs->instreamid);
2297 ✗ return AVERROR(EINVAL);
2298 }
2299 ✗ } else if (av_strstart(ccs->instreamid, "SERVICE", &val)) {
2300 ✗ if (atoi(val) < 1 || atoi(val) > 63) {
2301 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID SERVICE index %d in %s, range 1-63 \n",
2302 atoi(val), ccs->instreamid);
2303 ✗ return AVERROR(EINVAL);
2304 }
2305 } else {
2306 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID %s, supported are CCn or SERVICEn\n",
2307 ccs->instreamid);
2308 ✗ return AVERROR(EINVAL);
2309 }
2310 }
2311
2312 ✗ return 0;
2313 }
2314
2315 11 static int update_variant_stream_info(AVFormatContext *s)
2316 {
2317 11 HLSContext *hls = s->priv_data;
2318 unsigned int i;
2319 11 int ret = 0;
2320
2321
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 11 if (hls->cc_stream_map) {
2322 ✗ ret = parse_cc_stream_mapstring(s);
2323 ✗ if (ret < 0)
2324 ✗ return ret;
2325 }
2326
2327
1/2
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 11 if (hls->var_stream_map) {
2328 ✗ return parse_variant_stream_mapstring(s);
2329 } else {
2330 //By default, a single variant stream with all the codec streams is created
2331 11 hls->var_streams = av_mallocz(sizeof(*hls->var_streams));
2332
1/2
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 11 if (!hls->var_streams)
2333 ✗ return AVERROR(ENOMEM);
2334 11 hls->nb_varstreams = 1;
2335
2336 11 hls->var_streams[0].var_stream_idx = 0;
2337 11 hls->var_streams[0].nb_streams = s->nb_streams;
2338 22 hls->var_streams[0].streams = av_mallocz(sizeof(AVStream *) *
2339 11 hls->var_streams[0].nb_streams);
2340
1/2
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 11 if (!hls->var_streams[0].streams)
2341 ✗ return AVERROR(ENOMEM);
2342
2343 //by default, the first available ccgroup is mapped to the variant stream
2344
1/2
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✓ Branch 1 taken 11 times.
 11 if (hls->nb_ccstreams)
2345 ✗ hls->var_streams[0].ccgroup = hls->cc_streams[0].ccgroup;
2346
2347
2/2
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 22 for (i = 0; i < s->nb_streams; i++)
2348 11 hls->var_streams[0].streams[i] = s->streams[i];
2349 }
2350 11 return 0;
2351 }
2352
2353 ✗ static int update_master_pl_info(AVFormatContext *s)
2354 {
2355 ✗ HLSContext *hls = s->priv_data;
2356 const char *dir;
2357 ✗ char *fn1= NULL, *fn2 = NULL;
2358 ✗ int ret = 0;
2359
2360 ✗ fn1 = av_strdup(s->url);
2361 ✗ if (!fn1)
2362 ✗ return AVERROR(ENOMEM);
2363 ✗ dir = av_dirname(fn1);
2364
2365 /**
2366 * if output file's directory has %v, variants are created in sub-directories
2367 * then master is created at the sub-directories level
2368 */
2369 ✗ if (dir && av_stristr(av_basename(dir), "%v")) {
2370 ✗ fn2 = av_strdup(dir);
2371 ✗ if (!fn2) {
2372 ✗ ret = AVERROR(ENOMEM);
2373 ✗ goto fail;
2374 }
2375 ✗ dir = av_dirname(fn2);
2376 }
2377
2378 ✗ if (dir && strcmp(dir, "."))
2379 ✗ hls->master_m3u8_url = av_append_path_component(dir, hls->master_pl_name);
2380 else
2381 ✗ hls->master_m3u8_url = av_strdup(hls->master_pl_name);
2382
2383 ✗ if (!hls->master_m3u8_url) {
2384 ✗ ret = AVERROR(ENOMEM);
2385 ✗ goto fail;
2386 }
2387
2388 ✗ fail:
2389 ✗ av_freep(&fn1);
2390 ✗ av_freep(&fn2);
2391
2392 ✗ return ret;
2393 }
2394
2395 11 static int hls_write_header(AVFormatContext *s)
2396 {
2397 11 HLSContext *hls = s->priv_data;
2398 int ret, i, j;
2399 11 VariantStream *vs = NULL;
2400
2401
2/2
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 22 for (i = 0; i < hls->nb_varstreams; i++) {
2402 11 int subtitle_streams = 0;
2403 11 vs = &hls->var_streams[i];
2404
2405 11 ret = avformat_write_header(vs->avf, NULL);
2406
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 11 if (ret < 0)
2407 ✗ return ret;
2408 //av_assert0(s->nb_streams == hls->avf->nb_streams);
2409
2/2
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 22 for (j = 0; j < vs->nb_streams; j++) {
2410 AVStream *inner_st;
2411 11 AVStream *outer_st = vs->streams[j];
2412
2413
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 11 if (hls->max_seg_size > 0) {
2414
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 1 if ((outer_st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) &&
2415 ✗ (outer_st->codecpar->bit_rate > hls->max_seg_size)) {
2416 ✗ av_log(s, AV_LOG_WARNING, "Your video bitrate is bigger than hls_segment_size, "
2417 "(%"PRId64 " > %"PRId64 "), the result maybe not be what you want.",
2418 ✗ outer_st->codecpar->bit_rate, hls->max_seg_size);
2419 }
2420 }
2421
2422
1/2
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 11 if (outer_st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE)
2423 11 inner_st = vs->avf->streams[j - subtitle_streams];
2424 ✗ else if (vs->vtt_avf) {
2425 ✗ inner_st = vs->vtt_avf->streams[0];
2426 ✗ subtitle_streams++;
2427 } else {
2428 /* We have a subtitle stream, when the user does not want one */
2429 ✗ inner_st = NULL;
2430 ✗ continue;
2431 }
2432 11 avpriv_set_pts_info(outer_st, inner_st->pts_wrap_bits, inner_st->time_base.num, inner_st->time_base.den);
2433
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 11 if (outer_st->codecpar->codec_id == AV_CODEC_ID_HEVC &&
2434 ✗ outer_st->codecpar->codec_tag != MKTAG('h','v','c','1')) {
2435 ✗ av_log(s, AV_LOG_WARNING, "Stream HEVC is not hvc1, you should use tag:v hvc1 to set it.\n");
2436 }
2437 11 write_codec_attr(outer_st, vs);
2438
2439 }
2440 /* Update the Codec Attr string for the mapped audio groups */
2441
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 11 if (vs->has_video && vs->agroup) {
2442 ✗ for (j = 0; j < hls->nb_varstreams; j++) {
2443 ✗ VariantStream *vs_agroup = &(hls->var_streams[j]);
2444 ✗ if (!vs_agroup->has_video && !vs_agroup->has_subtitle &&
2445 ✗ vs_agroup->agroup &&
2446 ✗ !av_strcasecmp(vs_agroup->agroup, vs->agroup)) {
2447 ✗ write_codec_attr(vs_agroup->streams[0], vs);
2448 }
2449 }
2450 }
2451 }
2452
2453 11 return 0;
2454 }
2455
2456 ✗ static int hls_init_file_resend(AVFormatContext *s, VariantStream *vs)
2457 {
2458 ✗ HLSContext *hls = s->priv_data;
2459 ✗ AVDictionary *options = NULL;
2460 ✗ int ret = 0;
2461
2462 ✗ set_http_options(s, &options, hls);
2463 ✗ ret = hlsenc_io_open(s, &vs->out, vs->base_output_dirname, &options);
2464 ✗ av_dict_free(&options);
2465 ✗ if (ret < 0)
2466 ✗ return ret;
2467 ✗ avio_write(vs->out, vs->init_buffer, vs->init_range_length);
2468 ✗ hlsenc_io_close(s, &vs->out, hls->fmp4_init_filename);
2469
2470 ✗ return ret;
2471 }
2472
2473 ✗ static int64_t append_single_file(AVFormatContext *s, VariantStream *vs)
2474 {
2475 ✗ int64_t ret = 0;
2476 ✗ int64_t read_byte = 0;
2477 ✗ int64_t total_size = 0;
2478 ✗ char *filename = NULL;
2479 char buf[BUFSIZE];
2480 ✗ AVFormatContext *oc = vs->avf;
2481
2482 ✗ hlsenc_io_close(s, &vs->out, vs->basename_tmp);
2483 ✗ filename = av_asprintf("%s.tmp", oc->url);
2484 ✗ ret = s->io_open(s, &vs->out, filename, AVIO_FLAG_READ, NULL);
2485 ✗ if (ret < 0) {
2486 ✗ av_free(filename);
2487 ✗ return ret;
2488 }
2489
2490 do {
2491 ✗ read_byte = avio_read(vs->out, buf, BUFSIZE);
2492 ✗ if (read_byte > 0) {
2493 ✗ avio_write(vs->out_single_file, buf, read_byte);
2494 ✗ total_size += read_byte;
2495 ✗ ret = total_size;
2496 }
2497 ✗ } while (read_byte > 0);
2498
2499 ✗ hlsenc_io_close(s, &vs->out, filename);
2500 ✗ av_free(filename);
2501
2502 ✗ return ret;
2503 }
2504 6300 static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
2505 {
2506 6300 HLSContext *hls = s->priv_data;
2507 6300 AVFormatContext *oc = NULL;
2508 6300 AVStream *st = s->streams[pkt->stream_index];
2509 6300 int64_t end_pts = 0;
2510 6300 int is_ref_pkt = 1;
2511 6300 int ret = 0, can_split = 1, i, j;
2512 6300 int stream_index = 0;
2513 6300 int range_length = 0;
2514 6300 const char *proto = NULL;
2515 6300 int use_temp_file = 0;
2516 6300 VariantStream *vs = NULL;
2517 6300 char *old_filename = NULL;
2518
2519
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 6300 for (i = 0; i < hls->nb_varstreams; i++) {
2520 6300 int subtitle_streams = 0;
2521 6300 vs = &hls->var_streams[i];
2522
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 6300 for (j = 0; j < vs->nb_streams; j++) {
2523
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 6300 if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2524 ✗ subtitle_streams++;
2525 }
2526
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 6300 if (vs->streams[j] == st) {
2527
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 6300 if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2528 ✗ oc = vs->vtt_avf;
2529 ✗ stream_index = 0;
2530 } else {
2531 6300 oc = vs->avf;
2532 6300 stream_index = j - subtitle_streams;
2533 }
2534 6300 break;
2535 }
2536 }
2537
2538
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 6300 if (oc)
2539 6300 break;
2540 }
2541
2542
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 6300 if (!oc) {
2543 ✗ av_log(s, AV_LOG_ERROR, "Unable to find mapping variant stream\n");
2544 ✗ return AVERROR(ENOMEM);
2545 }
2546
2547 6300 end_pts = hls->recording_time * vs->number;
2548
2549
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 6300 if (vs->sequence - vs->nb_entries > hls->start_sequence && hls->init_time > 0) {
2550 /* reset end_pts, hls->recording_time at end of the init hls list */
2551 191 int64_t init_list_dur = hls->init_time * vs->nb_entries;
2552 191 int64_t after_init_list_dur = (vs->sequence - hls->start_sequence - vs->nb_entries) * hls->time;
2553 191 hls->recording_time = hls->time;
2554 191 end_pts = init_list_dur + after_init_list_dur ;
2555 }
2556
2557
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 6300 if (vs->start_pts == AV_NOPTS_VALUE) {
2558 11 vs->start_pts = pkt->pts;
2559
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 11 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2560 11 vs->start_pts_from_audio = 1;
2561 }
2562
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 6300 if (vs->start_pts_from_audio && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && vs->start_pts > pkt->pts) {
2563 ✗ vs->start_pts = pkt->pts;
2564 ✗ vs->start_pts_from_audio = 0;
2565 }
2566
2567
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 6300 if (vs->has_video) {
2568 ✗ can_split = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2569 ✗ ((pkt->flags & AV_PKT_FLAG_KEY) || (hls->flags & HLS_SPLIT_BY_TIME));
2570 ✗ is_ref_pkt = (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && (pkt->stream_index == vs->reference_stream_index);
2571 }
2572
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 6300 if (pkt->pts == AV_NOPTS_VALUE)
2573 ✗ is_ref_pkt = can_split = 0;
2574
2575
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 6300 if (is_ref_pkt) {
2576
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 6300 if (vs->end_pts == AV_NOPTS_VALUE)
2577 11 vs->end_pts = pkt->pts;
2578
2/2
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 6300 if (vs->new_start) {
2579 11 vs->new_start = 0;
2580 11 vs->duration = (double)(pkt->pts - vs->end_pts)
2581 11 * st->time_base.num / st->time_base.den;
2582 11 vs->dpp = (double)(pkt->duration) * st->time_base.num / st->time_base.den;
2583 } else {
2584
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 6289 if (pkt->duration) {
2585 6289 vs->duration += (double)(pkt->duration) * st->time_base.num / st->time_base.den;
2586 } else {
2587 ✗ av_log(s, AV_LOG_WARNING, "Stream %d packet with pts %" PRId64 " has duration 0. The segment duration may not be precise.\n",
2588 pkt->stream_index, pkt->pts);
2589 ✗ vs->duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den;
2590 }
2591 }
2592 }
2593
2594
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 6300 can_split = can_split && (pkt->pts - vs->end_pts > 0);
2595
5/6
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 12589 if (vs->packets_written && can_split && av_compare_ts(pkt->pts - vs->start_pts, st->time_base,
2596 6289 end_pts, AV_TIME_BASE_Q) >= 0) {
2597 int64_t new_start_pos;
2598
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 56 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
2599 double cur_duration;
2600
2601 56 av_write_frame(oc, NULL); /* Flush any buffered data */
2602 56 new_start_pos = avio_tell(oc->pb);
2603 56 vs->size = new_start_pos - vs->start_pos;
2604 56 avio_flush(oc->pb);
2605
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 56 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2606
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 4 if (!vs->init_range_length) {
2607 1 range_length = avio_close_dyn_buf(oc->pb, &vs->init_buffer);
2608
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 1 if (range_length <= 0)
2609 ✗ return AVERROR(EINVAL);
2610 1 avio_write(vs->out, vs->init_buffer, range_length);
2611
1/2
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 1 if (!hls->resend_init_file)
2612 1 av_freep(&vs->init_buffer);
2613 1 vs->init_range_length = range_length;
2614 1 avio_open_dyn_buf(&oc->pb);
2615 1 vs->packets_written = 0;
2616 1 vs->start_pos = range_length;
2617
1/2
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 1 if (!byterange_mode) {
2618 1 hlsenc_io_close(s, &vs->out, vs->base_output_dirname);
2619 }
2620 }
2621 }
2622
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 56 if (!byterange_mode) {
2623
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 38 if (vs->vtt_avf) {
2624 ✗ hlsenc_io_close(s, &vs->vtt_avf->pb, vs->vtt_avf->url);
2625 }
2626 }
2627
2628
2/2
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 56 if (hls->flags & HLS_SINGLE_FILE) {
2629 9 ret = flush_dynbuf(vs, &range_length);
2630 9 av_freep(&vs->temp_buffer);
2631
1/2
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 9 if (ret < 0) {
2632 ✗ return ret;
2633 }
2634 9 vs->size = range_length;
2635
2/4
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 9 if (hls->key_info_file || hls->encrypt)
2636 ✗ vs->size = append_single_file(s, vs);
2637 } else {
2638
1/2
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 47 if (oc->url[0]) {
2639 47 proto = avio_find_protocol_name(oc->url);
2640
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 94 use_temp_file = proto && !strcmp(proto, "file")
2641
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 94 && (hls->flags & HLS_TEMP_FILE);
2642 }
2643
2644
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 47 if ((hls->max_seg_size > 0 && (vs->size + vs->start_pos >= hls->max_seg_size)) || !byterange_mode) {
2645 41 AVDictionary *options = NULL;
2646 41 char *filename = NULL;
2647
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 41 if (hls->key_info_file || hls->encrypt) {
2648 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
2649 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
2650 ✗ filename = av_asprintf("crypto:%s", oc->url);
2651 } else {
2652 41 filename = av_asprintf("%s", oc->url);
2653 }
2654
1/2
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 41 if (!filename) {
2655 ✗ av_dict_free(&options);
2656 ✗ return AVERROR(ENOMEM);
2657 }
2658
2659 // look to rename the asset name
2660
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 41 if (use_temp_file)
2661 ✗ av_dict_set(&options, "mpegts_flags", "resend_headers", 0);
2662
2663 41 set_http_options(s, &options, hls);
2664
2665 41 ret = hlsenc_io_open(s, &vs->out, filename, &options);
2666
1/2
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 41 if (ret < 0) {
2667 ✗ av_log(s, hls->ignore_io_errors ? AV_LOG_WARNING : AV_LOG_ERROR,
2668 "Failed to open file '%s'\n", filename);
2669 ✗ av_freep(&filename);
2670 ✗ av_dict_free(&options);
2671 ✗ return hls->ignore_io_errors ? 0 : ret;
2672 }
2673
2/2
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 41 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2674 4 write_styp(vs->out);
2675 }
2676 41 ret = flush_dynbuf(vs, &range_length);
2677
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 41 if (ret < 0) {
2678 ✗ av_freep(&filename);
2679 ✗ av_dict_free(&options);
2680 ✗ return ret;
2681 }
2682 41 vs->size = range_length;
2683 41 ret = hlsenc_io_close(s, &vs->out, filename);
2684
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 41 if (ret < 0) {
2685 ✗ av_log(s, AV_LOG_WARNING, "upload segment failed,"
2686 " will retry with a new http session.\n");
2687 ✗ ff_format_io_close(s, &vs->out);
2688 ✗ ret = hlsenc_io_open(s, &vs->out, filename, &options);
2689 ✗ if (ret >= 0) {
2690 ✗ reflush_dynbuf(vs, &range_length);
2691 ✗ ret = hlsenc_io_close(s, &vs->out, filename);
2692 }
2693 }
2694 41 av_dict_free(&options);
2695 41 av_freep(&vs->temp_buffer);
2696 41 av_freep(&filename);
2697 }
2698
2699
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 47 if (use_temp_file)
2700 ✗ hls_rename_temp_file(s, oc);
2701 }
2702
2703
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 56 if (ret < 0)
2704 ✗ return ret;
2705
2706 56 old_filename = av_strdup(oc->url);
2707
1/2
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 56 if (!old_filename) {
2708 ✗ return AVERROR(ENOMEM);
2709 }
2710
2711 56 cur_duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den;
2712 56 ret = hls_append_segment(s, hls, vs, cur_duration, vs->start_pos, vs->size);
2713 56 vs->end_pts = pkt->pts;
2714 56 vs->duration = 0;
2715
1/2
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 56 if (ret < 0) {
2716 ✗ av_freep(&old_filename);
2717 ✗ return ret;
2718 }
2719
2720 // if we're building a VOD playlist, skip writing the manifest multiple times, and just wait until the end
2721
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✗ Branch 1 not taken.
 56 if (hls->pl_type != PLAYLIST_TYPE_VOD) {
2722
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 56 if ((ret = hls_window(s, 0, vs)) < 0) {
2723 ✗ av_log(s, AV_LOG_WARNING, "upload playlist failed, will retry with a new http session.\n");
2724 ✗ ff_format_io_close(s, &vs->out);
2725 ✗ if ((ret = hls_window(s, 0, vs)) < 0) {
2726 ✗ av_freep(&old_filename);
2727 ✗ return ret;
2728 }
2729 }
2730 }
2731
2732
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 56 if (hls->resend_init_file && hls->segment_type == SEGMENT_TYPE_FMP4) {
2733 ✗ ret = hls_init_file_resend(s, vs);
2734 ✗ if (ret < 0) {
2735 ✗ av_freep(&old_filename);
2736 ✗ return ret;
2737 }
2738 }
2739
2740
2/2
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 56 if (hls->flags & HLS_SINGLE_FILE) {
2741 9 vs->start_pos += vs->size;
2742
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 9 if (hls->key_info_file || hls->encrypt)
2743 ✗ ret = hls_start(s, vs);
2744
3/6
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 9 if (hls->segment_type == SEGMENT_TYPE_MPEGTS && oc->oformat->priv_class && oc->priv_data) {
2745 9 av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
2746 }
2747
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 47 } else if (hls->max_seg_size > 0) {
2748
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 9 if (vs->size + vs->start_pos >= hls->max_seg_size) {
2749 3 vs->sequence++;
2750 3 sls_flag_file_rename(hls, vs, old_filename);
2751 3 ret = hls_start(s, vs);
2752 3 vs->start_pos = 0;
2753 /* When split segment by byte, the duration is short than hls_time,
2754 * so it is not enough one segment duration as hls_time, */
2755 } else {
2756 6 vs->start_pos = new_start_pos;
2757 }
2758 } else {
2759 38 vs->start_pos = 0;
2760 38 sls_flag_file_rename(hls, vs, old_filename);
2761 38 ret = hls_start(s, vs);
2762 }
2763 56 vs->number++;
2764 56 av_freep(&old_filename);
2765
2766
1/2
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✓ Branch 1 taken 56 times.
 56 if (ret < 0) {
2767 ✗ return ret;
2768 }
2769 }
2770
2771 6300 vs->packets_written++;
2772
1/2
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✗ Branch 1 not taken.
 6300 if (oc->pb) {
2773 6300 ret = ff_write_chained(oc, stream_index, pkt, s, 0);
2774 6300 vs->video_keyframe_size += pkt->size;
2775
1/4
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 6300 if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && (pkt->flags & AV_PKT_FLAG_KEY)) {
2776 ✗ vs->video_keyframe_size = avio_tell(oc->pb);
2777 } else {
2778 6300 vs->video_keyframe_pos = avio_tell(vs->out);
2779 }
2780
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6300 times.
 6300 if (hls->ignore_io_errors)
2781 ✗ ret = 0;
2782 }
2783
2784 6300 return ret;
2785 }
2786
2787 11 static void hls_deinit(AVFormatContext *s)
2788 {
2789 11 HLSContext *hls = s->priv_data;
2790 11 int i = 0;
2791 11 VariantStream *vs = NULL;
2792
2793
2/2
✓ Branch 0 taken 11 times.
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 22 for (i = 0; i < hls->nb_varstreams; i++) {
2794 11 vs = &hls->var_streams[i];
2795
2796 11 av_freep(&vs->basename);
2797 11 av_freep(&vs->base_output_dirname);
2798 11 av_freep(&vs->fmp4_init_filename);
2799 11 av_freep(&vs->vtt_basename);
2800 11 av_freep(&vs->vtt_m3u8_name);
2801
2802 11 avformat_free_context(vs->vtt_avf);
2803 11 avformat_free_context(vs->avf);
2804
1/2
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✓ Branch 1 taken 11 times.
 11 if (hls->resend_init_file)
2805 ✗ av_freep(&vs->init_buffer);
2806 11 hls_free_segments(vs->segments);
2807 11 hls_free_segments(vs->old_segments);
2808 11 av_freep(&vs->m3u8_name);
2809 11 av_freep(&vs->streams);
2810 }
2811
2812 11 ff_format_io_close(s, &hls->m3u8_out);
2813 11 ff_format_io_close(s, &hls->sub_m3u8_out);
2814 11 ff_format_io_close(s, &hls->http_delete);
2815 11 av_freep(&hls->key_basename);
2816 11 av_freep(&hls->var_streams);
2817 11 av_freep(&hls->cc_streams);
2818 11 av_freep(&hls->master_m3u8_url);
2819 11 }
2820
2821 11 static int hls_write_trailer(struct AVFormatContext *s)
2822 {
2823 11 HLSContext *hls = s->priv_data;
2824 11 AVFormatContext *oc = NULL;
2825 11 AVFormatContext *vtt_oc = NULL;
2826 11 char *old_filename = NULL;
2827 11 const char *proto = NULL;
2828 11 int use_temp_file = 0;
2829 int i;
2830 11 int ret = 0;
2831 11 VariantStream *vs = NULL;
2832 11 AVDictionary *options = NULL;
2833 int range_length, byterange_mode;
2834
2835
2/2
✓ Branch 0 taken 11 times.
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 22 for (i = 0; i < hls->nb_varstreams; i++) {
2836 11 char *filename = NULL;
2837 11 vs = &hls->var_streams[i];
2838 11 oc = vs->avf;
2839 11 vtt_oc = vs->vtt_avf;
2840 11 old_filename = av_strdup(oc->url);
2841 11 use_temp_file = 0;
2842
2843
1/2
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 11 if (!old_filename) {
2844 ✗ return AVERROR(ENOMEM);
2845 }
2846
2/4
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✓ Branch 3 taken 11 times.
 11 if (hls->key_info_file || hls->encrypt) {
2847 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
2848 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
2849 ✗ filename = av_asprintf("crypto:%s", oc->url);
2850 } else {
2851 11 filename = av_asprintf("%s", oc->url);
2852 }
2853
1/2
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✓ Branch 1 taken 11 times.
 11 if (!filename) {
2854 ✗ av_dict_free(&options);
2855 ✗ av_freep(&old_filename);
2856 ✗ return AVERROR(ENOMEM);
2857 }
2858
2859
2/2
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 11 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2860 2 int range_length = 0;
2861
2/2
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✓ Branch 1 taken 1 times.
 2 if (!vs->init_range_length) {
2862 1 uint8_t *buffer = NULL;
2863 1 av_write_frame(oc, NULL); /* Flush any buffered data */
2864
2865 1 range_length = avio_close_dyn_buf(oc->pb, &buffer);
2866 1 avio_write(vs->out, buffer, range_length);
2867 1 av_freep(&buffer);
2868 1 vs->init_range_length = range_length;
2869 1 avio_open_dyn_buf(&oc->pb);
2870 1 vs->packets_written = 0;
2871 1 vs->start_pos = range_length;
2872
2/4
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 1 byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
2873
1/2
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✗ Branch 1 not taken.
 1 if (!byterange_mode) {
2874 1 ff_format_io_close(s, &vs->out);
2875 1 hlsenc_io_close(s, &vs->out, vs->base_output_dirname);
2876 }
2877 }
2878 }
2879
2/2
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 11 if (!(hls->flags & HLS_SINGLE_FILE)) {
2880 10 set_http_options(s, &options, hls);
2881 10 ret = hlsenc_io_open(s, &vs->out, filename, &options);
2882
1/2
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 10 if (ret < 0) {
2883 ✗ av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n", oc->url);
2884 ✗ goto failed;
2885 }
2886
2/2
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✓ Branch 1 taken 8 times.
 10 if (hls->segment_type == SEGMENT_TYPE_FMP4)
2887 2 write_styp(vs->out);
2888 }
2889 11 ret = flush_dynbuf(vs, &range_length);
2890
1/2
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✓ Branch 1 taken 11 times.
 11 if (ret < 0)
2891 ✗ goto failed;
2892
2893 11 vs->size = range_length;
2894 11 ret = hlsenc_io_close(s, &vs->out, filename);
2895
1/2
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 11 if (ret < 0) {
2896 ✗ av_log(s, AV_LOG_WARNING, "upload segment failed, will retry with a new http session.\n");
2897 ✗ ff_format_io_close(s, &vs->out);
2898 ✗ ret = hlsenc_io_open(s, &vs->out, filename, &options);
2899 ✗ if (ret < 0) {
2900 ✗ av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n", oc->url);
2901 ✗ goto failed;
2902 }
2903 ✗ reflush_dynbuf(vs, &range_length);
2904 ✗ ret = hlsenc_io_close(s, &vs->out, filename);
2905 ✗ if (ret < 0)
2906 ✗ av_log(s, AV_LOG_WARNING, "Failed to upload file '%s' at the end.\n", oc->url);
2907 }
2908
2/2
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 11 if (hls->flags & HLS_SINGLE_FILE) {
2909
2/4
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✓ Branch 3 taken 1 times.
 1 if (hls->key_info_file || hls->encrypt) {
2910 ✗ vs->size = append_single_file(s, vs);
2911 }
2912 1 hlsenc_io_close(s, &vs->out_single_file, vs->basename);
2913 }
2914 10 failed:
2915 11 av_freep(&vs->temp_buffer);
2916 11 av_dict_free(&options);
2917 11 av_freep(&filename);
2918 11 av_write_trailer(oc);
2919
1/2
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 11 if (oc->url[0]) {
2920 11 proto = avio_find_protocol_name(oc->url);
2921
3/6
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✓ Branch 5 taken 11 times.
 11 use_temp_file = proto && !strcmp(proto, "file") && (hls->flags & HLS_TEMP_FILE);
2922 }
2923
2924 // rename that segment from .tmp to the real one
2925
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 11 if (use_temp_file && !(hls->flags & HLS_SINGLE_FILE)) {
2926 ✗ hls_rename_temp_file(s, oc);
2927 ✗ av_freep(&old_filename);
2928 ✗ old_filename = av_strdup(oc->url);
2929
2930 ✗ if (!old_filename) {
2931 ✗ return AVERROR(ENOMEM);
2932 }
2933 }
2934
2935 /* after av_write_trailer, then duration + 1 duration per packet */
2936 11 hls_append_segment(s, hls, vs, vs->duration + vs->dpp, vs->start_pos, vs->size);
2937
2938 11 sls_flag_file_rename(hls, vs, old_filename);
2939
2940
1/2
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 11 if (vtt_oc) {
2941 ✗ if (vtt_oc->pb)
2942 ✗ av_write_trailer(vtt_oc);
2943 ✗ vs->size = avio_tell(vs->vtt_avf->pb) - vs->start_pos;
2944 ✗ ff_format_io_close(s, &vtt_oc->pb);
2945 }
2946 11 ret = hls_window(s, 1, vs);
2947
1/2
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 11 if (ret < 0) {
2948 ✗ av_log(s, AV_LOG_WARNING, "upload playlist failed, will retry with a new http session.\n");
2949 ✗ ff_format_io_close(s, &vs->out);
2950 ✗ hls_window(s, 1, vs);
2951 }
2952 11 ffio_free_dyn_buf(&oc->pb);
2953
2954 11 av_free(old_filename);
2955 }
2956
2957 11 return 0;
2958 }
2959
2960
2961 11 static int hls_init(AVFormatContext *s)
2962 {
2963 11 int ret = 0;
2964 11 int i = 0;
2965 11 int j = 0;
2966 11 HLSContext *hls = s->priv_data;
2967 const char *pattern;
2968 11 VariantStream *vs = NULL;
2969
2/2
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 11 const char *vtt_pattern = hls->flags & HLS_SINGLE_FILE ? ".vtt" : "%d.vtt";
2970 11 char *p = NULL;
2971 11 int http_base_proto = ff_is_http_proto(s->url);
2972 11 int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1;
2973 11 double initial_program_date_time = av_gettime() / 1000000.0;
2974
2975
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 11 if (hls->use_localtime) {
2976 ✗ pattern = get_default_pattern_localtime_fmt(s);
2977 } else {
2978
2/2
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✓ Branch 1 taken 9 times.
 11 pattern = hls->segment_type == SEGMENT_TYPE_FMP4 ? "%d.m4s" : "%d.ts";
2979
2/2
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✓ Branch 1 taken 10 times.
 11 if (hls->flags & HLS_SINGLE_FILE)
2980 1 pattern += 2;
2981 }
2982
2983 11 hls->has_default_key = 0;
2984 11 hls->has_video_m3u8 = 0;
2985 11 ret = update_variant_stream_info(s);
2986
1/2
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✓ Branch 1 taken 11 times.
 11 if (ret < 0) {
2987 ✗ av_log(s, AV_LOG_ERROR, "Variant stream info update failed with status %x\n",
2988 ret);
2989 ✗ return ret;
2990 }
2991
2992
2/4
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✓ Branch 3 taken 11 times.
 11 if (!hls->method && http_base_proto) {
2993 ✗ av_log(hls, AV_LOG_WARNING, "No HTTP method set, hls muxer defaulting to method PUT.\n");
2994 }
2995
2996 11 ret = validate_name(hls->nb_varstreams, s->url);
2997
1/2
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 11 if (ret < 0)
2998 ✗ return ret;
2999
3000
1/2
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✗ Branch 1 not taken.
 11 if (hls->segment_filename) {
3001 11 ret = validate_name(hls->nb_varstreams, hls->segment_filename);
3002
1/2
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✓ Branch 1 taken 11 times.
 11 if (ret < 0)
3003 ✗ return ret;
3004 }
3005
3006
2/2
✓ Branch 1 taken 3 times.
✓ Branch 2 taken 8 times.
 11 if (av_strcasecmp(hls->fmp4_init_filename, "init.mp4")) {
3007 3 ret = validate_name(hls->nb_varstreams, hls->fmp4_init_filename);
3008
1/2
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 3 if (ret < 0)
3009 ✗ return ret;
3010 }
3011
3012
1/2
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✓ Branch 1 taken 11 times.
 11 if (hls->subtitle_filename) {
3013 ✗ ret = validate_name(hls->nb_varstreams, hls->subtitle_filename);
3014 ✗ if (ret < 0)
3015 ✗ return ret;
3016 }
3017
3018
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 11 times.
 11 if (hls->master_pl_name) {
3019 ✗ ret = update_master_pl_info(s);
3020 ✗ if (ret < 0) {
3021 ✗ av_log(s, AV_LOG_ERROR, "Master stream info update failed with status %x\n",
3022 ret);
3023 ✗ return ret;
3024 }
3025 }
3026
3027
1/2
✓ Branch 0 taken 11 times.
✗ Branch 1 not taken.
 11 if ((hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) ||
3028
1/2
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✗ Branch 1 not taken.
 11 (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH) ||
3029
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 11 times.
 11 (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME)) {
3030 ✗ time_t t = time(NULL);
3031 ✗ if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH) {
3032 ✗ hls->start_sequence = av_gettime();
3033 ✗ } else if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) {
3034 ✗ hls->start_sequence = (int64_t)t;
3035 ✗ } else if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME) {
3036 char b[15];
3037 struct tm *p, tmbuf;
3038 ✗ if (!(p = localtime_r(&t, &tmbuf)))
3039 ✗ return AVERROR(errno);
3040 ✗ if (!strftime(b, sizeof(b), "%Y%m%d%H%M%S", p))
3041 ✗ return AVERROR(ENOMEM);
3042 ✗ hls->start_sequence = strtoll(b, NULL, 10);
3043 }
3044 ✗ av_log(hls, AV_LOG_DEBUG, "start_number evaluated to %"PRId64"\n", hls->start_sequence);
3045 }
3046
3047
3/4
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 11 hls->recording_time = hls->init_time && hls->max_nb_segments > 0 ? hls->init_time : hls->time;
3048
3049
1/4
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 11 if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) {
3050 // Independent segments cannot be guaranteed when splitting by time
3051 ✗ hls->flags &= ~HLS_INDEPENDENT_SEGMENTS;
3052 ✗ av_log(s, AV_LOG_WARNING,
3053 "'split_by_time' and 'independent_segments' cannot be "
3054 "enabled together. Disabling 'independent_segments' flag\n");
3055 }
3056
3057
2/2
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✓ Branch 1 taken 11 times.
 22 for (i = 0; i < hls->nb_varstreams; i++) {
3058 11 vs = &hls->var_streams[i];
3059
3060 11 ret = format_name(s->url, &vs->m3u8_name, i, vs->varname);
3061
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 11 times.
 11 if (ret < 0)
3062 ✗ return ret;
3063
3064 11 vs->sequence = hls->start_sequence;
3065 11 vs->start_pts = AV_NOPTS_VALUE;
3066 11 vs->end_pts = AV_NOPTS_VALUE;
3067 11 vs->current_segment_final_filename_fmt[0] = '\0';
3068 11 vs->initial_prog_date_time = initial_program_date_time;
3069
3070
2/2
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✓ Branch 1 taken 11 times.
 22 for (j = 0; j < vs->nb_streams; j++) {
3071 11 vs->has_video += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO;
3072 /* Get one video stream to reference for split segments
3073 * so use the first video stream index. */
3074
1/4
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✗ Branch 2 not taken.
✗ Branch 3 not taken.
 11 if ((vs->has_video == 1) && (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) {
3075 ✗ vs->reference_stream_index = vs->streams[j]->index;
3076 }
3077 11 vs->has_subtitle += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE;
3078 }
3079
3080
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 11 times.
 11 if (vs->has_video > 1)
3081 ✗ av_log(s, AV_LOG_WARNING, "More than a single video stream present, expect issues decoding it.\n");
3082
2/2
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✓ Branch 1 taken 9 times.
 11 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
3083 2 vs->oformat = av_guess_format("mp4", NULL, NULL);
3084 } else {
3085 9 vs->oformat = av_guess_format("mpegts", NULL, NULL);
3086 }
3087
1/2
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✓ Branch 1 taken 11 times.
 11 if (!vs->oformat)
3088 ✗ return AVERROR_MUXER_NOT_FOUND;
3089
3090
1/2
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✗ Branch 1 not taken.
 11 if (hls->segment_filename) {
3091 11 ret = format_name(hls->segment_filename, &vs->basename, i, vs->varname);
3092
1/2
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✓ Branch 1 taken 11 times.
 11 if (ret < 0)
3093 ✗ return ret;
3094 } else {
3095 ✗ p = strrchr(vs->m3u8_name, '.');
3096 ✗ if (p)
3097 ✗ *p = '\0';
3098
3099 ✗ vs->basename = av_asprintf("%s%s", vs->m3u8_name, pattern);
3100 ✗ if (!vs->basename)
3101 ✗ return AVERROR(ENOMEM);
3102
3103 ✗ if (p)
3104 ✗ *p = '.';
3105 }
3106
3107
2/2
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✓ Branch 1 taken 9 times.
 11 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
3108
1/2
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 2 if (hls->nb_varstreams > 1)
3109 ✗ fmp4_init_filename_len += strlen(POSTFIX_PATTERN);
3110
1/2
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✓ Branch 1 taken 2 times.
 2 if (hls->flags & HLS_SINGLE_FILE) {
3111 ✗ vs->fmp4_init_filename = av_strdup(vs->basename);
3112 ✗ if (!vs->fmp4_init_filename)
3113 ✗ return AVERROR(ENOMEM);
3114 } else {
3115 2 vs->fmp4_init_filename = av_malloc(fmp4_init_filename_len);
3116
1/2
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✓ Branch 1 taken 2 times.
 2 if (!vs->fmp4_init_filename)
3117 ✗ return AVERROR(ENOMEM);
3118 2 av_strlcpy(vs->fmp4_init_filename, hls->fmp4_init_filename,
3119 fmp4_init_filename_len);
3120
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
 2 if (hls->nb_varstreams > 1) {
3121 ✗ if (av_stristr(vs->fmp4_init_filename, "%v")) {
3122 ✗ av_freep(&vs->fmp4_init_filename);
3123 ✗ ret = format_name(hls->fmp4_init_filename,
3124 &vs->fmp4_init_filename, i, vs->varname);
3125 } else {
3126 ✗ ret = append_postfix(vs->fmp4_init_filename, fmp4_init_filename_len, i);
3127 }
3128 ✗ if (ret < 0)
3129 ✗ return ret;
3130 }
3131
3132
1/2
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✓ Branch 1 taken 2 times.
 2 if (hls->use_localtime) {
3133 int r;
3134 ✗ char *expanded = NULL;
3135
3136 ✗ r = strftime_expand(vs->fmp4_init_filename, &expanded);
3137 ✗ if (r < 0) {
3138 ✗ av_log(s, AV_LOG_ERROR, "Could not get segment filename with strftime\n");
3139 ✗ return r;
3140 }
3141 ✗ av_free(vs->fmp4_init_filename);
3142 ✗ vs->fmp4_init_filename = expanded;
3143 }
3144
3145 2 p = strrchr(vs->m3u8_name, '/');
3146
1/2
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
 2 if (p) {
3147 2 char tmp = *(++p);
3148 2 *p = '\0';
3149 2 vs->base_output_dirname = av_asprintf("%s%s", vs->m3u8_name,
3150 vs->fmp4_init_filename);
3151 2 *p = tmp;
3152 } else {
3153 ✗ vs->base_output_dirname = av_strdup(vs->fmp4_init_filename);
3154 }
3155
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
 2 if (!vs->base_output_dirname)
3156 ✗ return AVERROR(ENOMEM);
3157 }
3158 }
3159
3160
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 11 ret = hls->use_localtime ? sls_flag_check_duration_size(hls, vs) : sls_flag_check_duration_size_index(hls);
3161
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 11 if (ret < 0)
3162 ✗ return ret;
3163
3164
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 11 if (vs->has_subtitle) {
3165 ✗ vs->vtt_oformat = av_guess_format("webvtt", NULL, NULL);
3166 ✗ if (!vs->vtt_oformat)
3167 ✗ return AVERROR_MUXER_NOT_FOUND;
3168
3169 ✗ p = strrchr(vs->m3u8_name, '.');
3170 ✗ if (p)
3171 ✗ *p = '\0';
3172
3173 ✗ vs->vtt_basename = av_asprintf("%s%s", vs->m3u8_name, vtt_pattern);
3174 ✗ if (!vs->vtt_basename)
3175 ✗ return AVERROR(ENOMEM);
3176
3177 ✗ if (hls->subtitle_filename) {
3178 ✗ ret = format_name(hls->subtitle_filename, &vs->vtt_m3u8_name, i, vs->varname);
3179 ✗ if (ret < 0)
3180 ✗ return ret;
3181 } else {
3182 ✗ vs->vtt_m3u8_name = av_asprintf("%s_vtt.m3u8", vs->m3u8_name);
3183 ✗ if (!vs->vtt_m3u8_name)
3184 ✗ return AVERROR(ENOMEM);
3185 }
3186 ✗ if (p)
3187 ✗ *p = '.';
3188 }
3189
3190
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 11 if ((ret = hls_mux_init(s, vs)) < 0)
3191 ✗ return ret;
3192
3193
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 11 if (hls->flags & HLS_APPEND_LIST) {
3194 1 parse_playlist(s, vs->m3u8_name, vs);
3195 1 vs->discontinuity = 1;
3196
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 1 if (hls->init_time > 0) {
3197 ✗ av_log(s, AV_LOG_WARNING, "append_list mode does not support hls_init_time,"
3198 " hls_init_time value will have no effect\n");
3199 ✗ hls->init_time = 0;
3200 ✗ hls->recording_time = hls->time;
3201 }
3202 }
3203
3204
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 11 if ((ret = hls_start(s, vs)) < 0)
3205 ✗ return ret;
3206 11 vs->number++;
3207 }
3208
3209 11 return ret;
3210 }
3211
3212 #define OFFSET(x) offsetof(HLSContext, x)
3213 #define E AV_OPT_FLAG_ENCODING_PARAM
3214 static const AVOption options[] = {
3215 {"start_number", "set first number in the sequence", OFFSET(start_sequence),AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, E},
3216 {"hls_time", "set segment length", OFFSET(time), AV_OPT_TYPE_DURATION, {.i64 = 2000000}, 0, INT64_MAX, E},
3217 {"hls_init_time", "set segment length at init list", OFFSET(init_time), AV_OPT_TYPE_DURATION, {.i64 = 0}, 0, INT64_MAX, E},
3218 {"hls_list_size", "set maximum number of playlist entries", OFFSET(max_nb_segments), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E},
3219 {"hls_delete_threshold", "set number of unreferenced segments to keep before deleting", OFFSET(hls_delete_threshold), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, E},
3220 {"hls_vtt_options","set hls vtt list of options for the container format used for hls", OFFSET(vtt_format_options_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3221 {"hls_allow_cache", "explicitly set whether the client MAY (1) or MUST NOT (0) cache media segments", OFFSET(allowcache), AV_OPT_TYPE_INT, {.i64 = -1}, INT_MIN, INT_MAX, E},
3222 {"hls_base_url", "url to prepend to each playlist entry", OFFSET(baseurl), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3223 {"hls_segment_filename", "filename template for segment files", OFFSET(segment_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3224 {"hls_segment_options","set segments files format options of hls", OFFSET(format_options), AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, E},
3225 {"hls_segment_size", "maximum size per segment file, (in bytes)", OFFSET(max_seg_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E},
3226 {"hls_key_info_file", "file with key URI and key file path", OFFSET(key_info_file), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3227 {"hls_enc", "enable AES128 encryption support", OFFSET(encrypt), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, E},
3228 {"hls_enc_key", "hex-coded 16 byte key to encrypt the segments", OFFSET(key), AV_OPT_TYPE_STRING, .flags = E},
3229 {"hls_enc_key_url", "url to access the key to decrypt the segments", OFFSET(key_url), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3230 {"hls_enc_iv", "hex-coded 16 byte initialization vector", OFFSET(iv), AV_OPT_TYPE_STRING, .flags = E},
3231 {"hls_subtitle_path", "set path of hls subtitles", OFFSET(subtitle_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3232 {"hls_segment_type", "set hls segment files type", OFFSET(segment_type), AV_OPT_TYPE_INT, {.i64 = SEGMENT_TYPE_MPEGTS }, 0, SEGMENT_TYPE_FMP4, E, .unit = "segment_type"},
3233 {"mpegts", "make segment file to mpegts files in m3u8", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_MPEGTS }, 0, UINT_MAX, E, .unit = "segment_type"},
3234 {"fmp4", "make segment file to fragment mp4 files in m3u8", 0, AV_OPT_TYPE_CONST, {.i64 = SEGMENT_TYPE_FMP4 }, 0, UINT_MAX, E, .unit = "segment_type"},
3235 {"hls_fmp4_init_filename", "set fragment mp4 file init filename", OFFSET(fmp4_init_filename), AV_OPT_TYPE_STRING, {.str = "init.mp4"}, 0, 0, E},
3236 {"hls_fmp4_init_resend", "resend fragment mp4 init file after refresh m3u8 every time", OFFSET(resend_init_file), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3237 {"hls_flags", "set flags affecting HLS playlist and media file generation", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = 0 }, 0, UINT_MAX, E, .unit = "flags"},
3238 {"single_file", "generate a single media file indexed with byte ranges", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SINGLE_FILE }, 0, UINT_MAX, E, .unit = "flags"},
3239 {"temp_file", "write segment and playlist to temporary file and rename when complete", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_TEMP_FILE }, 0, UINT_MAX, E, .unit = "flags"},
3240 {"delete_segments", "delete segment files that are no longer part of the playlist", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_DELETE_SEGMENTS }, 0, UINT_MAX, E, .unit = "flags"},
3241 {"round_durations", "round durations in m3u8 to whole numbers", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_ROUND_DURATIONS }, 0, UINT_MAX, E, .unit = "flags"},
3242 {"discont_start", "start the playlist with a discontinuity tag", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_DISCONT_START }, 0, UINT_MAX, E, .unit = "flags"},
3243 {"omit_endlist", "Do not append an endlist when ending stream", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_OMIT_ENDLIST }, 0, UINT_MAX, E, .unit = "flags"},
3244 {"split_by_time", "split the hls segment by time which user set by hls_time", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SPLIT_BY_TIME }, 0, UINT_MAX, E, .unit = "flags"},
3245 {"append_list", "append the new segments into old hls segment list", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_APPEND_LIST }, 0, UINT_MAX, E, .unit = "flags"},
3246 {"program_date_time", "add EXT-X-PROGRAM-DATE-TIME", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PROGRAM_DATE_TIME }, 0, UINT_MAX, E, .unit = "flags"},
3247 {"second_level_segment_index", "include segment index in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_INDEX }, 0, UINT_MAX, E, .unit = "flags"},
3248 {"second_level_segment_duration", "include segment duration in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_DURATION }, 0, UINT_MAX, E, .unit = "flags"},
3249 {"second_level_segment_size", "include segment size in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_SIZE }, 0, UINT_MAX, E, .unit = "flags"},
3250 {"periodic_rekey", "reload keyinfo file periodically for re-keying", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PERIODIC_REKEY }, 0, UINT_MAX, E, .unit = "flags"},
3251 {"independent_segments", "add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_INDEPENDENT_SEGMENTS }, 0, UINT_MAX, E, .unit = "flags"},
3252 {"iframes_only", "add EXT-X-I-FRAMES-ONLY, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_I_FRAMES_ONLY }, 0, UINT_MAX, E, .unit = "flags"},
3253 {"strftime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3254 {"strftime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_localtime_mkdir), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3255 {"hls_playlist_type", "set the HLS playlist type", OFFSET(pl_type), AV_OPT_TYPE_INT, {.i64 = PLAYLIST_TYPE_NONE }, 0, PLAYLIST_TYPE_NB-1, E, .unit = "pl_type" },
3256 {"event", "EVENT playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_EVENT }, INT_MIN, INT_MAX, E, .unit = "pl_type" },
3257 {"vod", "VOD playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_VOD }, INT_MIN, INT_MAX, E, .unit = "pl_type" },
3258 {"method", "set the HTTP method(default: PUT)", OFFSET(method), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3259 {"hls_start_number_source", "set source of first number in sequence", OFFSET(start_sequence_source_type), AV_OPT_TYPE_INT, {.i64 = HLS_START_SEQUENCE_AS_START_NUMBER }, 0, HLS_START_SEQUENCE_LAST-1, E, .unit = "start_sequence_source_type" },
3260 {"generic", "start_number value (default)", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_START_NUMBER }, INT_MIN, INT_MAX, E, .unit = "start_sequence_source_type" },
3261 {"epoch", "seconds since epoch", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH }, INT_MIN, INT_MAX, E, .unit = "start_sequence_source_type" },
3262 {"epoch_us", "microseconds since epoch", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH }, INT_MIN, INT_MAX, E, .unit = "start_sequence_source_type" },
3263 {"datetime", "current datetime as YYYYMMDDhhmmss", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_START_SEQUENCE_AS_FORMATTED_DATETIME }, INT_MIN, INT_MAX, E, .unit = "start_sequence_source_type" },
3264 {"http_user_agent", "override User-Agent field in HTTP header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3265 {"var_stream_map", "Variant stream map string", OFFSET(var_stream_map), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3266 {"cc_stream_map", "Closed captions stream map string", OFFSET(cc_stream_map), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3267 {"master_pl_name", "Create HLS master playlist with this name", OFFSET(master_pl_name), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3268 {"master_pl_publish_rate", "Publish master play list every after this many segment intervals", OFFSET(master_publish_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, UINT_MAX, E},
3269 {"http_persistent", "Use persistent HTTP connections", OFFSET(http_persistent), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3270 {"timeout", "set timeout for socket I/O operations", OFFSET(timeout), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT_MAX, .flags = E },
3271 {"ignore_io_errors", "Ignore IO errors for stable long-duration runs with network output", OFFSET(ignore_io_errors), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
3272 {"headers", "set custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
3273 { NULL },
3274 };
3275
3276 static const AVClass hls_class = {
3277 .class_name = "hls muxer",
3278 .item_name = av_default_item_name,
3279 .option = options,
3280 .version = LIBAVUTIL_VERSION_INT,
3281 };
3282
3283
3284 const FFOutputFormat ff_hls_muxer = {
3285 .p.name = "hls",
3286 .p.long_name = NULL_IF_CONFIG_SMALL("Apple HTTP Live Streaming"),
3287 .p.extensions = "m3u8",
3288 .p.audio_codec = AV_CODEC_ID_AAC,
3289 .p.video_codec = AV_CODEC_ID_H264,
3290 .p.subtitle_codec = AV_CODEC_ID_WEBVTT,
3291 .p.flags = AVFMT_NOFILE | AVFMT_GLOBALHEADER | AVFMT_NODIMENSIONS,
3292 .p.priv_class = &hls_class,
3293 .flags_internal = FF_OFMT_FLAG_ALLOW_FLUSH,
3294 .priv_data_size = sizeof(HLSContext),
3295 .init = hls_init,
3296 .write_header = hls_write_header,
3297 .write_packet = hls_write_packet,
3298 .write_trailer = hls_write_trailer,
3299 .deinit = hls_deinit,
3300 };
3301