FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/hlsenc.c
Date: 2026-05-05 08:36:23
Exec Total Coverage
Lines: 741 1831 40.5%
Functions: 25 47 53.2%
Branches: 451 1342 33.6%
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/attributes_internal.h"
32 #include "libavutil/avassert.h"
33 #include "libavutil/mathematics.h"
34 #include "libavutil/avstring.h"
35 #include "libavutil/bprint.h"
36 #include "libavutil/intreadwrite.h"
37 #include "libavutil/mem.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/log.h"
40 #include "libavutil/random_seed.h"
41 #include "libavutil/time.h"
42 #include "libavutil/time_internal.h"
43
44 #include "libavcodec/defs.h"
45
46 #include "avformat.h"
47 #include "avio_internal.h"
48 #if CONFIG_HTTP_PROTOCOL
49 #include "http.h"
50 #endif
51 #include "hlsplaylist.h"
52 #include "internal.h"
53 #include "mux.h"
54 #include "os_support.h"
55 #include "url.h"
56
57 typedef enum {
58 HLS_START_SEQUENCE_AS_START_NUMBER = 0,
59 HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH = 1,
60 HLS_START_SEQUENCE_AS_FORMATTED_DATETIME = 2, // YYYYMMDDhhmmss
61 HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH = 3,
62 HLS_START_SEQUENCE_LAST, // unused
63 } StartSequenceSourceType;
64
65 typedef enum {
66 CODEC_ATTRIBUTE_WRITTEN = 0,
67 CODEC_ATTRIBUTE_WILL_NOT_BE_WRITTEN,
68 } CodecAttributeStatus;
69
70 #define KEYSIZE 16
71 #define LINE_BUFFER_SIZE MAX_URL_SIZE
72 #define HLS_MICROSECOND_UNIT 1000000
73 #define BUFSIZE (16 * 1024)
74 #define POSTFIX_PATTERN "_%d"
75
76 typedef struct HLSSegment {
77 char filename[MAX_URL_SIZE];
78 char sub_filename[MAX_URL_SIZE];
79 double duration; /* in seconds */
80 int discont;
81 int64_t pos;
82 int64_t size;
83 int64_t keyframe_pos;
84 int64_t keyframe_size;
85 unsigned var_stream_idx;
86
87 char key_uri[LINE_BUFFER_SIZE + 1];
88 char iv_string[KEYSIZE*2 + 1];
89
90 struct HLSSegment *next;
91 double discont_program_date_time;
92 } HLSSegment;
93
94 typedef enum HLSFlags {
95 // Generate a single media file and use byte ranges in the playlist.
96 HLS_SINGLE_FILE = (1 << 0),
97 HLS_DELETE_SEGMENTS = (1 << 1),
98 HLS_ROUND_DURATIONS = (1 << 2),
99 HLS_DISCONT_START = (1 << 3),
100 HLS_OMIT_ENDLIST = (1 << 4),
101 HLS_SPLIT_BY_TIME = (1 << 5),
102 HLS_APPEND_LIST = (1 << 6),
103 HLS_PROGRAM_DATE_TIME = (1 << 7),
104 HLS_SECOND_LEVEL_SEGMENT_INDEX = (1 << 8), // include segment index in segment filenames when use_localtime e.g.: %%03d
105 HLS_SECOND_LEVEL_SEGMENT_DURATION = (1 << 9), // include segment duration (microsec) in segment filenames when use_localtime e.g.: %%09t
106 HLS_SECOND_LEVEL_SEGMENT_SIZE = (1 << 10), // include segment size (bytes) in segment filenames when use_localtime e.g.: %%014s
107 HLS_TEMP_FILE = (1 << 11),
108 HLS_PERIODIC_REKEY = (1 << 12),
109 HLS_INDEPENDENT_SEGMENTS = (1 << 13),
110 HLS_I_FRAMES_ONLY = (1 << 14),
111 } HLSFlags;
112
113 typedef enum {
114 SEGMENT_TYPE_MPEGTS,
115 SEGMENT_TYPE_FMP4,
116 } SegmentType;
117
118 typedef struct VariantStream {
119 unsigned var_stream_idx;
120 unsigned number;
121 int64_t sequence;
122 const AVOutputFormat *oformat;
123 const AVOutputFormat *vtt_oformat;
124 AVIOContext *out;
125 AVIOContext *out_single_file;
126 int packets_written;
127 int init_range_length;
128 uint8_t *temp_buffer;
129 uint8_t *init_buffer;
130
131 AVFormatContext *avf;
132 AVFormatContext *vtt_avf;
133
134 int has_video;
135 int has_subtitle;
136 int new_start;
137 int start_pts_from_audio;
138 double dpp; // duration per packet
139 int64_t start_pts;
140 int64_t end_pts;
141 int64_t video_lastpos;
142 int64_t video_keyframe_pos;
143 int64_t video_keyframe_size;
144 double duration; // last segment duration computed so far, in seconds
145 int64_t start_pos; // last segment starting position
146 int64_t size; // last segment size
147 int nb_entries;
148 int discontinuity_set;
149 int discontinuity;
150 int reference_stream_index;
151
152 int64_t total_size;
153 double total_duration;
154 int64_t avg_bitrate;
155 int64_t max_bitrate;
156
157 HLSSegment *segments;
158 HLSSegment *last_segment;
159 HLSSegment *old_segments;
160
161 char *basename_tmp;
162 char *basename;
163 char *vtt_basename;
164 char *vtt_m3u8_name;
165 char *m3u8_name;
166
167 double initial_prog_date_time;
168 char current_segment_final_filename_fmt[MAX_URL_SIZE]; // when renaming segments
169
170 char *fmp4_init_filename;
171 char *base_output_dirname;
172
173 int encrypt_started;
174
175 char key_file[LINE_BUFFER_SIZE + 1];
176 char key_uri[LINE_BUFFER_SIZE + 1];
177 char key_string[KEYSIZE*2 + 1];
178 char iv_string[KEYSIZE*2 + 1];
179
180 AVStream **streams;
181 char codec_attr[128];
182 CodecAttributeStatus attr_status;
183 unsigned int nb_streams;
184 int m3u8_created; /* status of media play-list creation */
185 int is_default; /* default status of audio group */
186 const char *language; /* audio language name */
187 const char *agroup; /* audio group name */
188 const char *sgroup; /* subtitle group name */
189 const char *ccgroup; /* closed caption group name */
190 const char *varname; /* variant name */
191 const char *subtitle_varname; /* subtitle variant name */
192 } VariantStream;
193
194 typedef struct ClosedCaptionsStream {
195 const char *ccgroup; /* closed caption group name */
196 const char *instreamid; /* closed captions INSTREAM-ID */
197 const char *language; /* closed captions language */
198 } ClosedCaptionsStream;
199
200 typedef struct HLSContext {
201 const AVClass *class; // Class for private options.
202 int64_t start_sequence;
203 uint32_t start_sequence_source_type; // enum StartSequenceSourceType
204
205 int64_t time; // Set by a private option.
206 int64_t init_time; // Set by a private option.
207 int max_nb_segments; // Set by a private option.
208 int hls_delete_threshold; // Set by a private option.
209 uint32_t flags; // enum HLSFlags
210 uint32_t pl_type; // enum PlaylistType
211 char *segment_filename;
212 char *fmp4_init_filename;
213 int segment_type;
214 int resend_init_file; ///< resend init file into disk after refresh m3u8
215
216 int use_localtime; ///< flag to expand filename with localtime
217 int use_localtime_mkdir;///< flag to mkdir dirname in timebased filename
218 int allowcache;
219 int64_t recording_time;
220 int64_t max_seg_size; // every segment file max size
221
222 char *baseurl;
223 char *vtt_format_options_str;
224 char *subtitle_filename;
225 AVDictionary *format_options;
226
227 int encrypt;
228 char *key;
229 char *key_url;
230 char *iv;
231 char *key_basename;
232 int encrypt_started;
233
234 char *key_info_file;
235 char key_file[LINE_BUFFER_SIZE + 1];
236 char key_uri[LINE_BUFFER_SIZE + 1];
237 char key_string[KEYSIZE*2 + 1];
238 char iv_string[KEYSIZE*2 + 1];
239 AVDictionary *vtt_format_options;
240
241 char *method;
242 char *user_agent;
243
244 VariantStream *var_streams;
245 unsigned int nb_varstreams;
246 ClosedCaptionsStream *cc_streams;
247 unsigned int nb_ccstreams;
248
249 int master_m3u8_created; /* status of master play-list creation */
250 char *master_m3u8_url; /* URL of the master m3u8 file */
251 int version; /* HLS version */
252 char *var_stream_map; /* user specified variant stream map string */
253 char *cc_stream_map; /* user specified closed caption streams map string */
254 char *master_pl_name;
255 unsigned int master_publish_rate;
256 int http_persistent;
257 AVIOContext *m3u8_out;
258 AVIOContext *sub_m3u8_out;
259 AVIOContext *http_delete;
260 int64_t timeout;
261 int ignore_io_errors;
262 char *headers;
263 int has_default_key; /* has DEFAULT field of var_stream_map */
264 int has_video_m3u8; /* has video stream m3u8 list */
265 } HLSContext;
266
267 ✗ static int strftime_expand(const char *fmt, char **dest)
268 {
269 ✗ int r = 1;
270 time_t now0;
271 struct tm *tm, tmpbuf;
272 char *buf;
273
274 ✗ buf = av_mallocz(MAX_URL_SIZE);
275 ✗ if (!buf)
276 ✗ return AVERROR(ENOMEM);
277
278 ✗ time(&now0);
279 ✗ tm = localtime_r(&now0, &tmpbuf);
280 ✗ r = strftime(buf, MAX_URL_SIZE, fmt, tm);
281 ✗ if (!r) {
282 ✗ av_free(buf);
283 ✗ return AVERROR(EINVAL);
284 }
285 ✗ *dest = buf;
286
287 ✗ return r;
288 }
289
290 170 static int hlsenc_io_open(AVFormatContext *s, AVIOContext **pb, const char *filename,
291 AVDictionary **options)
292 {
293 170 HLSContext *hls = s->priv_data;
294
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 170 int http_base_proto = filename ? ff_is_http_proto(filename) : 0;
295 170 int err = AVERROR_MUXER_NOT_FOUND;
296
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 170 if (!*pb || !http_base_proto || !hls->http_persistent) {
297 170 err = s->io_open(s, pb, filename, AVIO_FLAG_WRITE, options);
298 #if CONFIG_HTTP_PROTOCOL
299 } else {
300 ✗ URLContext *http_url_context = ffio_geturlcontext(*pb);
301 ✗ av_assert0(http_url_context);
302 ✗ err = ff_http_do_new_request(http_url_context, filename);
303 ✗ if (err < 0)
304 ✗ ff_format_io_close(s, pb);
305
306 #endif
307 }
308 170 return err;
309 }
310
311 260 static int hlsenc_io_close(AVFormatContext *s, AVIOContext **pb, char *filename)
312 {
313 260 HLSContext *hls = s->priv_data;
314
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 260 int http_base_proto = filename ? ff_is_http_proto(filename) : 0;
315 260 int ret = 0;
316
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 260 if (!*pb)
317 91 return ret;
318
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 169 if (!http_base_proto || !hls->http_persistent || hls->key_info_file || hls->encrypt) {
319 169 ff_format_io_close(s, pb);
320 #if CONFIG_HTTP_PROTOCOL
321 } else {
322 ✗ URLContext *http_url_context = ffio_geturlcontext(*pb);
323 ✗ av_assert0(http_url_context);
324 ✗ avio_flush(*pb);
325 ✗ ret = ffurl_shutdown(http_url_context, AVIO_FLAG_WRITE);
326 #endif
327 }
328 169 return ret;
329 }
330
331 169 static void set_http_options(AVFormatContext *s, AVDictionary **options, HLSContext *c)
332 {
333 169 int http_base_proto = ff_is_http_proto(s->url);
334
335
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 169 if (c->method) {
336 ✗ av_dict_set(options, "method", c->method, 0);
337
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 169 } else if (http_base_proto) {
338 ✗ av_dict_set(options, "method", "PUT", 0);
339 }
340
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 169 if (c->user_agent)
341 ✗ av_dict_set(options, "user_agent", c->user_agent, 0);
342
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 169 if (c->http_persistent)
343 ✗ av_dict_set_int(options, "multiple_requests", 1, 0);
344
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 169 if (c->timeout >= 0)
345 ✗ av_dict_set_int(options, "timeout", c->timeout, 0);
346
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 169 if (c->headers)
347 ✗ av_dict_set(options, "headers", c->headers, 0);
348 169 }
349
350 18 static void write_codec_attr(AVStream *st, VariantStream *vs)
351 {
352 18 int codec_strlen = strlen(vs->codec_attr);
353 char attr[32];
354 AVBPrint buffer;
355
356
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 18 if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
357 ✗ return;
358
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 18 if (vs->attr_status == CODEC_ATTRIBUTE_WILL_NOT_BE_WRITTEN)
359 ✗ return;
360
361 18 av_bprint_init_for_buffer(&buffer, attr, sizeof(attr));
362
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 18 if (ff_make_codec_str(vs->avf, st->codecpar, &st->avg_frame_rate,
363 &buffer) < 0)
364 6 goto fail;
365
366 // Don't write the same attribute multiple times
367
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 12 if (!av_stristr(vs->codec_attr, attr)) {
368
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 12 snprintf(vs->codec_attr + codec_strlen,
369 sizeof(vs->codec_attr) - codec_strlen,
370 "%s%s", codec_strlen ? "," : "", attr);
371 }
372 12 return;
373
374 6 fail:
375 6 vs->codec_attr[0] = '\0';
376 6 vs->attr_status = CODEC_ATTRIBUTE_WILL_NOT_BE_WRITTEN;
377 6 return;
378 }
379
380 ✗ static int replace_str_data_in_filename(char **s, const char *filename, char placeholder, const char *datastring)
381 {
382 const char *p;
383 char c;
384 int addchar_count;
385 ✗ int found_count = 0;
386 AVBPrint buf;
387 int ret;
388
389 ✗ av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
390
391 ✗ p = filename;
392 for (;;) {
393 ✗ c = *p;
394 ✗ if (c == '\0')
395 ✗ break;
396 ✗ if (c == '%' && *(p+1) == '%') // %%
397 ✗ addchar_count = 2;
398 ✗ else if (c == '%' && *(p+1) == placeholder) {
399 ✗ av_bprintf(&buf, "%s", datastring);
400 ✗ p += 2;
401 ✗ addchar_count = 0;
402 ✗ found_count ++;
403 } else
404 ✗ addchar_count = 1;
405
406 ✗ if (addchar_count > 0) {
407 ✗ av_bprint_append_data(&buf, p, addchar_count);
408 ✗ p += addchar_count;
409 }
410 }
411 ✗ if (!av_bprint_is_complete(&buf)) {
412 ✗ av_bprint_finalize(&buf, NULL);
413 ✗ return AVERROR(ENOMEM);
414 }
415 ✗ if ((ret = av_bprint_finalize(&buf, s)) < 0)
416 ✗ return ret;
417 ✗ return found_count;
418 }
419
420 76 static int replace_int_data_in_filename(char **s, const char *filename, char placeholder, int64_t number)
421 {
422 const char *p;
423 char c;
424 int nd, addchar_count;
425 76 int found_count = 0;
426 AVBPrint buf;
427 int ret;
428
429 76 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
430
431 76 p = filename;
432 for (;;) {
433 6709 c = *p;
434
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 6709 if (c == '\0')
435 76 break;
436
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 6633 if (c == '%' && *(p+1) == '%') // %%
437 ✗ addchar_count = 2;
438
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 6633 else if (c == '%' && (av_isdigit(*(p+1)) || *(p+1) == placeholder)) {
439 76 nd = 0;
440 76 addchar_count = 1;
441
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 122 while (av_isdigit(*(p + addchar_count))) {
442 46 nd = nd * 10 + *(p + addchar_count) - '0';
443 46 addchar_count++;
444 }
445
446
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 76 if (*(p + addchar_count) == placeholder) {
447
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 76 av_bprintf(&buf, "%0*"PRId64, (number < 0) ? nd : nd++, number);
448 76 p += (addchar_count + 1);
449 76 addchar_count = 0;
450 76 found_count++;
451 }
452
453 } else
454 6557 addchar_count = 1;
455
456 6633 av_bprint_append_data(&buf, p, addchar_count);
457 6633 p += addchar_count;
458 }
459
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 76 if (!av_bprint_is_complete(&buf)) {
460 ✗ av_bprint_finalize(&buf, NULL);
461 ✗ return AVERROR(ENOMEM);
462 }
463
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 76 if ((ret = av_bprint_finalize(&buf, s)) < 0)
464 ✗ return ret;
465 76 return found_count;
466 }
467
468 6 static void write_styp(AVIOContext *pb)
469 {
470 6 avio_wb32(pb, 24);
471 6 ffio_wfourcc(pb, "styp");
472 6 ffio_wfourcc(pb, "msdh");
473 6 avio_wb32(pb, 0); /* minor */
474 6 ffio_wfourcc(pb, "msdh");
475 6 ffio_wfourcc(pb, "msix");
476 6 }
477
478 86 static int flush_dynbuf(VariantStream *vs, int *range_length)
479 {
480 86 AVFormatContext *ctx = vs->avf;
481
482
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 86 if (!ctx->pb) {
483 ✗ return AVERROR(EINVAL);
484 }
485
486 // flush
487 86 av_write_frame(ctx, NULL);
488
489 // write out to file
490 86 *range_length = avio_close_dyn_buf(ctx->pb, &vs->temp_buffer);
491 86 ctx->pb = NULL;
492 86 avio_write(vs->out, vs->temp_buffer, *range_length);
493 86 avio_flush(vs->out);
494
495 // re-open buffer
496 86 return avio_open_dyn_buf(&ctx->pb);
497 }
498
499 ✗ static void reflush_dynbuf(VariantStream *vs, int *range_length)
500 {
501 // re-open buffer
502 ✗ avio_write(vs->out, vs->temp_buffer, *range_length);
503 ✗ }
504
505 ✗ static int hls_delete_file(HLSContext *hls, AVFormatContext *avf,
506 char *path, const char *proto)
507 {
508 ✗ if (hls->method || (proto && !av_strcasecmp(proto, "http"))) {
509 ✗ AVDictionary *opt = NULL;
510 int ret;
511
512 ✗ set_http_options(avf, &opt, hls);
513 ✗ av_dict_set(&opt, "method", "DELETE", 0);
514
515 ✗ ret = hlsenc_io_open(avf, &hls->http_delete, path, &opt);
516 ✗ av_dict_free(&opt);
517 ✗ if (ret < 0)
518 ✗ return hls->ignore_io_errors ? 1 : ret;
519
520 //Nothing to write
521 ✗ hlsenc_io_close(avf, &hls->http_delete, path);
522 ✗ } else if (unlink(path) < 0) {
523 ✗ av_log(hls, AV_LOG_ERROR, "failed to delete old segment %s: %s\n",
524 ✗ path, strerror(errno));
525 }
526 ✗ return 0;
527 }
528
529 ✗ static int hls_delete_old_segments(AVFormatContext *s, HLSContext *hls,
530 VariantStream *vs)
531 {
532
533 ✗ HLSSegment *segment, *previous_segment = NULL;
534 ✗ float playlist_duration = 0.0f;
535 ✗ int ret = 0;
536 ✗ int segment_cnt = 0;
537 AVBPrint path;
538 ✗ const char *dirname = NULL;
539 ✗ char *dirname_r = NULL;
540 ✗ char *dirname_repl = NULL;
541 ✗ const char *vtt_dirname = NULL;
542 ✗ char *vtt_dirname_r = NULL;
543 ✗ const char *proto = NULL;
544
545 ✗ av_bprint_init(&path, 0, AV_BPRINT_SIZE_UNLIMITED);
546
547 ✗ segment = vs->segments;
548 ✗ while (segment) {
549 ✗ playlist_duration += segment->duration;
550 ✗ segment = segment->next;
551 }
552
553 ✗ segment = vs->old_segments;
554 ✗ segment_cnt = 0;
555 ✗ while (segment) {
556 ✗ playlist_duration -= segment->duration;
557 ✗ previous_segment = segment;
558 ✗ segment = previous_segment->next;
559 ✗ segment_cnt++;
560 ✗ if (playlist_duration <= -previous_segment->duration) {
561 ✗ previous_segment->next = NULL;
562 ✗ break;
563 }
564 ✗ if (segment_cnt >= hls->hls_delete_threshold) {
565 ✗ previous_segment->next = NULL;
566 ✗ break;
567 }
568 }
569
570 ✗ if (segment && !hls->use_localtime_mkdir) {
571 ✗ dirname_r = hls->segment_filename ? av_strdup(hls->segment_filename): av_strdup(vs->avf->url);
572 ✗ dirname = av_dirname(dirname_r);
573 }
574
575 /* if %v is present in the file's directory
576 * all segment belongs to the same variant, so do it only once before the loop*/
577 ✗ if (dirname && av_stristr(dirname, "%v")) {
578 ✗ if (!vs->varname) {
579 ✗ if (replace_int_data_in_filename(&dirname_repl, dirname, 'v', segment->var_stream_idx) < 1) {
580 ✗ ret = AVERROR(EINVAL);
581 ✗ goto fail;
582 }
583 } else {
584 ✗ if (replace_str_data_in_filename(&dirname_repl, dirname, 'v', vs->varname) < 1) {
585 ✗ ret = AVERROR(EINVAL);
586 ✗ goto fail;
587 }
588 }
589
590 ✗ dirname = dirname_repl;
591 }
592
593 ✗ while (segment) {
594 ✗ av_log(hls, AV_LOG_DEBUG, "deleting old segment %s\n",
595 ✗ segment->filename);
596 ✗ if (!hls->use_localtime_mkdir) // segment->filename contains basename only
597 ✗ av_bprintf(&path, "%s/", dirname);
598 ✗ av_bprintf(&path, "%s", segment->filename);
599
600 ✗ if (!av_bprint_is_complete(&path)) {
601 ✗ ret = AVERROR(ENOMEM);
602 ✗ goto fail;
603 }
604
605 ✗ proto = avio_find_protocol_name(s->url);
606 ✗ if (ret = hls_delete_file(hls, s, path.str, proto))
607 ✗ goto fail;
608
609 ✗ if ((segment->sub_filename[0] != '\0')) {
610 ✗ vtt_dirname_r = av_strdup(vs->vtt_avf->url);
611 ✗ vtt_dirname = av_dirname(vtt_dirname_r);
612
613 ✗ av_bprint_clear(&path);
614 ✗ av_bprintf(&path, "%s/%s", vtt_dirname, segment->sub_filename);
615 ✗ av_freep(&vtt_dirname_r);
616
617 ✗ if (!av_bprint_is_complete(&path)) {
618 ✗ ret = AVERROR(ENOMEM);
619 ✗ goto fail;
620 }
621
622 ✗ if (ret = hls_delete_file(hls, s, path.str, proto))
623 ✗ goto fail;
624 }
625 ✗ av_bprint_clear(&path);
626 ✗ previous_segment = segment;
627 ✗ segment = previous_segment->next;
628 ✗ av_freep(&previous_segment);
629 }
630
631 ✗ fail:
632 ✗ av_bprint_finalize(&path, NULL);
633 ✗ av_freep(&dirname_r);
634 ✗ av_freep(&dirname_repl);
635
636 ✗ return ret;
637 }
638
639 ✗ static int do_encrypt(AVFormatContext *s, VariantStream *vs)
640 {
641 ✗ HLSContext *hls = s->priv_data;
642 int ret;
643 int len;
644 AVIOContext *pb;
645 uint8_t key[KEYSIZE];
646 ✗ char * key_basename_source = (hls->master_m3u8_url) ? hls->master_m3u8_url : s->url;
647
648 ✗ len = strlen(key_basename_source) + 4 + 1;
649 ✗ hls->key_basename = av_mallocz(len);
650 ✗ if (!hls->key_basename)
651 ✗ return AVERROR(ENOMEM);
652
653 ✗ av_strlcpy(hls->key_basename, key_basename_source, len);
654 ✗ av_strlcat(hls->key_basename, ".key", len);
655
656 ✗ if (hls->key_url) {
657 ✗ av_strlcpy(hls->key_file, hls->key_url, sizeof(hls->key_file));
658 ✗ av_strlcpy(hls->key_uri, hls->key_url, sizeof(hls->key_uri));
659 } else {
660 ✗ av_strlcpy(hls->key_file, hls->key_basename, sizeof(hls->key_file));
661 ✗ av_strlcpy(hls->key_uri, hls->key_basename, sizeof(hls->key_uri));
662 }
663
664 ✗ if (!*hls->iv_string) {
665 ✗ uint8_t iv[16] = { 0 };
666 char buf[33];
667
668 ✗ if (!hls->iv) {
669 ✗ AV_WB64(iv + 8, vs->sequence);
670 } else {
671 ✗ memcpy(iv, hls->iv, sizeof(iv));
672 }
673 ✗ ff_data_to_hex(buf, iv, sizeof(iv), 0);
674 ✗ memcpy(hls->iv_string, buf, sizeof(hls->iv_string));
675 }
676
677 ✗ if (!*hls->key_uri) {
678 ✗ av_log(hls, AV_LOG_ERROR, "no key URI specified in key info file\n");
679 ✗ return AVERROR(EINVAL);
680 }
681
682 ✗ if (!*hls->key_file) {
683 ✗ av_log(hls, AV_LOG_ERROR, "no key file specified in key info file\n");
684 ✗ return AVERROR(EINVAL);
685 }
686
687 ✗ if (!*hls->key_string) {
688 ✗ AVDictionary *options = NULL;
689 ✗ if (!hls->key) {
690 ✗ if ((ret = av_random_bytes(key, sizeof(key))) < 0) {
691 ✗ av_log(s, AV_LOG_ERROR, "Cannot generate a strong random key\n");
692 ✗ return ret;
693 }
694 } else {
695 ✗ memcpy(key, hls->key, sizeof(key));
696 }
697
698 ✗ ff_data_to_hex(hls->key_string, key, sizeof(key), 0);
699 ✗ set_http_options(s, &options, hls);
700 ✗ ret = s->io_open(s, &pb, hls->key_file, AVIO_FLAG_WRITE, &options);
701 ✗ av_dict_free(&options);
702 ✗ if (ret < 0)
703 ✗ return ret;
704 ✗ avio_seek(pb, 0, SEEK_CUR);
705 ✗ avio_write(pb, key, KEYSIZE);
706 ✗ avio_close(pb);
707 }
708 ✗ return 0;
709 }
710
711
712 ✗ static int hls_encryption_start(AVFormatContext *s, VariantStream *vs)
713 {
714 ✗ HLSContext *hls = s->priv_data;
715 int ret;
716 AVIOContext *pb;
717 uint8_t key[KEYSIZE];
718 ✗ AVDictionary *options = NULL;
719
720 ✗ set_http_options(s, &options, hls);
721 ✗ ret = s->io_open(s, &pb, hls->key_info_file, AVIO_FLAG_READ, &options);
722 ✗ av_dict_free(&options);
723 ✗ if (ret < 0) {
724 ✗ av_log(hls, AV_LOG_ERROR,
725 "error opening key info file %s\n", hls->key_info_file);
726 ✗ return ret;
727 }
728
729 ✗ ff_get_line(pb, vs->key_uri, sizeof(vs->key_uri));
730 ✗ vs->key_uri[strcspn(vs->key_uri, "\r\n")] = '\0';
731
732 ✗ ff_get_line(pb, vs->key_file, sizeof(vs->key_file));
733 ✗ vs->key_file[strcspn(vs->key_file, "\r\n")] = '\0';
734
735 ✗ ff_get_line(pb, vs->iv_string, sizeof(vs->iv_string));
736 ✗ vs->iv_string[strcspn(vs->iv_string, "\r\n")] = '\0';
737
738 ✗ ff_format_io_close(s, &pb);
739
740 ✗ if (!*vs->key_uri) {
741 ✗ av_log(hls, AV_LOG_ERROR, "no key URI specified in key info file\n");
742 ✗ return AVERROR(EINVAL);
743 }
744
745 ✗ if (!*vs->key_file) {
746 ✗ av_log(hls, AV_LOG_ERROR, "no key file specified in key info file\n");
747 ✗ return AVERROR(EINVAL);
748 }
749
750 ✗ set_http_options(s, &options, hls);
751 ✗ ret = s->io_open(s, &pb, vs->key_file, AVIO_FLAG_READ, &options);
752 ✗ av_dict_free(&options);
753 ✗ if (ret < 0) {
754 ✗ av_log(hls, AV_LOG_ERROR, "error opening key file %s\n", vs->key_file);
755 ✗ return ret;
756 }
757
758 ✗ ret = avio_read(pb, key, sizeof(key));
759 ✗ ff_format_io_close(s, &pb);
760 ✗ if (ret != sizeof(key)) {
761 ✗ av_log(hls, AV_LOG_ERROR, "error reading key file %s\n", vs->key_file);
762 ✗ if (ret >= 0 || ret == AVERROR_EOF)
763 ✗ ret = AVERROR(EINVAL);
764 ✗ return ret;
765 }
766 ✗ ff_data_to_hex(vs->key_string, key, sizeof(key), 0);
767
768 ✗ return 0;
769 }
770
771 18 static int hls_mux_init(AVFormatContext *s, VariantStream *vs)
772 {
773 18 AVDictionary *options = NULL;
774 18 HLSContext *hls = s->priv_data;
775 AVFormatContext *oc;
776 18 AVFormatContext *vtt_oc = NULL;
777
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 18 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
778 int remaining_options;
779 int i, ret;
780
781 18 ret = avformat_alloc_output_context2(&vs->avf, vs->oformat, NULL, NULL);
782
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 18 if (ret < 0)
783 ✗ return ret;
784 18 oc = vs->avf;
785
786 18 oc->url = av_strdup("");
787
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 18 if (!oc->url)
788 ✗ return AVERROR(ENOMEM);
789
790 18 oc->interrupt_callback = s->interrupt_callback;
791 18 oc->max_delay = s->max_delay;
792 18 oc->opaque = s->opaque;
793 18 oc->io_open = s->io_open;
794 18 oc->io_close2 = s->io_close2;
795 18 oc->strict_std_compliance = s->strict_std_compliance;
796 18 av_dict_copy(&oc->metadata, s->metadata, 0);
797
798
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 18 if (vs->vtt_oformat) {
799 ✗ ret = avformat_alloc_output_context2(&vs->vtt_avf, vs->vtt_oformat, NULL, NULL);
800 ✗ if (ret < 0)
801 ✗ return ret;
802 ✗ vtt_oc = vs->vtt_avf;
803 ✗ av_dict_copy(&vtt_oc->metadata, s->metadata, 0);
804 }
805
806
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 36 for (i = 0; i < vs->nb_streams; i++) {
807 AVStream *st;
808 AVFormatContext *loc;
809
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 18 if (vs->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
810 ✗ loc = vtt_oc;
811 else
812 18 loc = oc;
813
814
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 18 if (!(st = avformat_new_stream(loc, NULL)))
815 ✗ return AVERROR(ENOMEM);
816 18 ret = avcodec_parameters_copy(st->codecpar, vs->streams[i]->codecpar);
817
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 18 if (ret < 0)
818 ✗ return ret;
819
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 18 if (!oc->oformat->codec_tag ||
820
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 3 av_codec_get_id (oc->oformat->codec_tag, vs->streams[i]->codecpar->codec_tag) == st->codecpar->codec_id ||
821 1 av_codec_get_tag(oc->oformat->codec_tag, vs->streams[i]->codecpar->codec_id) <= 0) {
822 17 st->codecpar->codec_tag = vs->streams[i]->codecpar->codec_tag;
823 } else {
824 1 st->codecpar->codec_tag = 0;
825 }
826
827 18 st->sample_aspect_ratio = vs->streams[i]->sample_aspect_ratio;
828 18 st->time_base = vs->streams[i]->time_base;
829 18 av_dict_copy(&st->metadata, vs->streams[i]->metadata, 0);
830 18 st->id = vs->streams[i]->id;
831 }
832
833
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 18 for (i = 0; i < s->nb_programs; i++) {
834 ✗ ret = av_program_copy(oc, (const AVFormatContext *)s, s->programs[i]->id, 0);
835 ✗ if (ret < 0) {
836 ✗ av_log(s, AV_LOG_ERROR, "unable to transfer program %d to child muxer\n", s->programs[i]->id);
837 ✗ return ret;
838 }
839 }
840
841 18 vs->start_pos = 0;
842 18 vs->new_start = 1;
843
844
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4 && hls->max_seg_size > 0) {
845 ✗ if (hls->http_persistent > 0) {
846 //TODO: Support fragment fmp4 for http persistent in HLS muxer.
847 ✗ av_log(s, AV_LOG_WARNING, "http persistent mode is currently unsupported for fragment mp4 in the HLS muxer.\n");
848 }
849 ✗ if (hls->max_seg_size > 0) {
850 ✗ av_log(s, AV_LOG_WARNING, "Multi-file byterange mode is currently unsupported in the HLS muxer.\n");
851 ✗ return AVERROR_PATCHWELCOME;
852 }
853 }
854
855
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 18 if ((ret = avio_open_dyn_buf(&oc->pb)) < 0)
856 ✗ return ret;
857
858
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
859 2 set_http_options(s, &options, hls);
860
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 2 if (byterange_mode) {
861 ✗ ret = hlsenc_io_open(s, &vs->out, vs->basename, &options);
862 } else {
863 2 ret = hlsenc_io_open(s, &vs->out, vs->base_output_dirname, &options);
864 }
865 2 av_dict_free(&options);
866 }
867
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 18 if (ret < 0) {
868 ✗ av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", vs->fmp4_init_filename);
869 ✗ return ret;
870 }
871
872 18 av_dict_copy(&options, hls->format_options, 0);
873
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
874 2 av_dict_set(&options, "fflags", "-autobsf", 0);
875 2 av_dict_set(&options, "movflags", "+frag_custom+dash+delay_moov", AV_DICT_APPEND);
876 } else {
877 /* We only require one PAT/PMT per segment. */
878 char period[21];
879 16 snprintf(period, sizeof(period), "%d", (INT_MAX / 2) - 1);
880 16 av_dict_set(&options, "sdt_period", period, AV_DICT_DONT_OVERWRITE);
881 16 av_dict_set(&options, "pat_period", period, AV_DICT_DONT_OVERWRITE);
882 }
883 18 ret = avformat_init_output(oc, &options);
884 18 remaining_options = av_dict_count(options);
885 18 av_dict_free(&options);
886
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 18 if (ret < 0)
887 ✗ return ret;
888
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 18 if (remaining_options) {
889 ✗ av_log(s, AV_LOG_ERROR, "Some of the provided format options are not recognized\n");
890 ✗ return AVERROR(EINVAL);
891 }
892 18 avio_flush(oc->pb);
893 18 return 0;
894 }
895
896 173 static HLSSegment *find_segment_by_filename(HLSSegment *segment, const char *filename)
897 {
898
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 370 while (segment) {
899
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 212 if (!av_strcasecmp(segment->filename,filename))
900 15 return segment;
901 197 segment = segment->next;
902 }
903 158 return (HLSSegment *) NULL;
904 }
905
906 94 static int sls_flags_filename_process(struct AVFormatContext *s, HLSContext *hls,
907 VariantStream *vs, HLSSegment *en,
908 double duration, int64_t pos, int64_t size)
909 {
910
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 94 if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
911 ✗ strlen(vs->current_segment_final_filename_fmt)) {
912 ✗ char * new_url = av_strdup(vs->current_segment_final_filename_fmt);
913 ✗ if (!new_url) {
914 ✗ return AVERROR(ENOMEM);
915 }
916 ✗ ff_format_set_url(vs->avf, new_url);
917 ✗ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
918 ✗ char *filename = NULL;
919 ✗ if (replace_int_data_in_filename(&filename, vs->avf->url, 's', pos + size) < 1) {
920 ✗ av_log(hls, AV_LOG_ERROR,
921 "Invalid second level segment filename template '%s', "
922 "you can try to remove second_level_segment_size flag\n",
923 ✗ vs->avf->url);
924 ✗ av_freep(&filename);
925 ✗ return AVERROR(EINVAL);
926 }
927 ✗ ff_format_set_url(vs->avf, filename);
928 }
929 ✗ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
930 ✗ char *filename = NULL;
931 ✗ if (replace_int_data_in_filename(&filename, vs->avf->url,
932 ✗ 't', (int64_t)round(duration * HLS_MICROSECOND_UNIT)) < 1) {
933 ✗ av_log(hls, AV_LOG_ERROR,
934 "Invalid second level segment filename template '%s', "
935 "you can try to remove second_level_segment_duration flag\n",
936 ✗ vs->avf->url);
937 ✗ av_freep(&filename);
938 ✗ return AVERROR(EINVAL);
939 }
940 ✗ ff_format_set_url(vs->avf, filename);
941 }
942 }
943 94 return 0;
944 }
945
946 18 static int sls_flag_check_duration_size_index(HLSContext *hls)
947 {
948 18 int ret = 0;
949
950
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 18 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
951 ✗ av_log(hls, AV_LOG_ERROR,
952 "second_level_segment_duration hls_flag requires strftime to be true\n");
953 ✗ ret = AVERROR(EINVAL);
954 }
955
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 18 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
956 ✗ av_log(hls, AV_LOG_ERROR,
957 "second_level_segment_size hls_flag requires strfime to be true\n");
958 ✗ ret = AVERROR(EINVAL);
959 }
960
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 18 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
961 ✗ av_log(hls, AV_LOG_ERROR,
962 "second_level_segment_index hls_flag requires strftime to be true\n");
963 ✗ ret = AVERROR(EINVAL);
964 }
965
966 18 return ret;
967 }
968
969 ✗ static int sls_flag_check_duration_size(HLSContext *hls, VariantStream *vs)
970 {
971 ✗ const char *proto = avio_find_protocol_name(vs->basename);
972 ✗ int segment_renaming_ok = proto && !strcmp(proto, "file");
973 ✗ int ret = 0;
974
975 ✗ if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) && !segment_renaming_ok) {
976 ✗ av_log(hls, AV_LOG_ERROR,
977 "second_level_segment_duration hls_flag works only with file protocol segment names\n");
978 ✗ ret = AVERROR(EINVAL);
979 }
980 ✗ if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) && !segment_renaming_ok) {
981 ✗ av_log(hls, AV_LOG_ERROR,
982 "second_level_segment_size hls_flag works only with file protocol segment names\n");
983 ✗ ret = AVERROR(EINVAL);
984 }
985
986 ✗ return ret;
987 }
988
989 77 static void sls_flag_file_rename(HLSContext *hls, VariantStream *vs, char *old_filename) {
990
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 77 if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
991 ✗ strlen(vs->current_segment_final_filename_fmt)) {
992 ✗ ff_rename(old_filename, vs->avf->url, hls);
993 }
994 77 }
995
996 ✗ static int sls_flag_use_localtime_filename(AVFormatContext *oc, HLSContext *c, VariantStream *vs)
997 {
998 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
999 ✗ char *filename = NULL;
1000 ✗ if (replace_int_data_in_filename(&filename,
1001 ✗ oc->url, 'd', vs->sequence) < 1) {
1002 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
1003 "you can try to remove second_level_segment_index flag\n",
1004 oc->url);
1005 ✗ av_freep(&filename);
1006 ✗ return AVERROR(EINVAL);
1007 }
1008 ✗ ff_format_set_url(oc, filename);
1009 }
1010 ✗ if (c->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) {
1011 ✗ av_strlcpy(vs->current_segment_final_filename_fmt, oc->url,
1012 sizeof(vs->current_segment_final_filename_fmt));
1013 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
1014 ✗ char *filename = NULL;
1015 ✗ if (replace_int_data_in_filename(&filename, oc->url, 's', 0) < 1) {
1016 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
1017 "you can try to remove second_level_segment_size flag\n",
1018 oc->url);
1019 ✗ av_freep(&filename);
1020 ✗ return AVERROR(EINVAL);
1021 }
1022 ✗ ff_format_set_url(oc, filename);
1023 }
1024 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
1025 ✗ char *filename = NULL;
1026 ✗ if (replace_int_data_in_filename(&filename, oc->url, 't', 0) < 1) {
1027 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
1028 "you can try to remove second_level_segment_duration flag\n",
1029 oc->url);
1030 ✗ av_freep(&filename);
1031 ✗ return AVERROR(EINVAL);
1032 }
1033 ✗ ff_format_set_url(oc, filename);
1034 }
1035 }
1036 ✗ return 0;
1037 }
1038
1039 /* Create a new segment and append it to the segment list */
1040 94 static int hls_append_segment(struct AVFormatContext *s, HLSContext *hls,
1041 VariantStream *vs, double duration, int64_t pos,
1042 int64_t size)
1043 {
1044 94 HLSSegment *en = av_malloc(sizeof(*en));
1045 const char *filename;
1046
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 94 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
1047 int ret;
1048
1049
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 94 if (!en)
1050 ✗ return AVERROR(ENOMEM);
1051
1052 94 vs->total_size += size;
1053 94 vs->total_duration += duration;
1054
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 94 if (duration > 0.5) {
1055 // Don't include the final, possibly very short segment in the
1056 // calculation of the max bitrate.
1057 94 int cur_bitrate = (int)(8 * size / duration);
1058
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 94 if (cur_bitrate > vs->max_bitrate)
1059 49 vs->max_bitrate = cur_bitrate;
1060 }
1061
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 94 if (vs->total_duration > 0)
1062 94 vs->avg_bitrate = (int)(8 * vs->total_size / vs->total_duration);
1063
1064 94 en->var_stream_idx = vs->var_stream_idx;
1065 94 ret = sls_flags_filename_process(s, hls, vs, en, duration, pos, size);
1066
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 94 if (ret < 0) {
1067 ✗ av_freep(&en);
1068 ✗ return ret;
1069 }
1070
1071 94 filename = av_basename(vs->avf->url);
1072
1073
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 94 if (hls->use_localtime_mkdir) {
1074 ✗ filename = vs->avf->url;
1075 }
1076
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 94 if (vs->nb_entries <= 5000 && (find_segment_by_filename(vs->segments, filename) || find_segment_by_filename(vs->old_segments, filename))
1077
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 15 && !byterange_mode) {
1078 ✗ av_log(hls, AV_LOG_WARNING, "Duplicated segment filename detected: %s\n", filename);
1079 }
1080 94 av_strlcpy(en->filename, filename, sizeof(en->filename));
1081
1082
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 94 if (vs->has_subtitle)
1083 ✗ av_strlcpy(en->sub_filename, av_basename(vs->vtt_avf->url), sizeof(en->sub_filename));
1084 else
1085 94 en->sub_filename[0] = '\0';
1086
1087 94 en->duration = duration;
1088 94 en->pos = pos;
1089 94 en->size = size;
1090 94 en->keyframe_pos = vs->video_keyframe_pos;
1091 94 en->keyframe_size = vs->video_keyframe_size;
1092 94 en->next = NULL;
1093 94 en->discont = 0;
1094 94 en->discont_program_date_time = 0;
1095
1096
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 94 if (vs->discontinuity) {
1097 1 en->discont = 1;
1098 1 vs->discontinuity = 0;
1099 }
1100
1101
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 94 if (hls->key_info_file || hls->encrypt) {
1102 ✗ av_strlcpy(en->key_uri, vs->key_uri, sizeof(en->key_uri));
1103 ✗ av_strlcpy(en->iv_string, vs->iv_string, sizeof(en->iv_string));
1104 }
1105
1106
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 94 if (!vs->segments)
1107 18 vs->segments = en;
1108 else
1109 76 vs->last_segment->next = en;
1110
1111 94 vs->last_segment = en;
1112
1113 // EVENT or VOD playlists imply sliding window cannot be used
1114
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 94 if (hls->pl_type != PLAYLIST_TYPE_NONE)
1115 13 hls->max_nb_segments = 0;
1116
1117
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 94 if (hls->max_nb_segments && vs->nb_entries >= hls->max_nb_segments) {
1118 8 en = vs->segments;
1119
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 8 if (!en->next->discont_program_date_time && !en->discont_program_date_time)
1120 8 vs->initial_prog_date_time += en->duration;
1121 8 vs->segments = en->next;
1122
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 8 if (en && hls->flags & HLS_DELETE_SEGMENTS &&
1123 ✗ !(hls->flags & HLS_SINGLE_FILE)) {
1124 ✗ en->next = vs->old_segments;
1125 ✗ vs->old_segments = en;
1126 ✗ if ((ret = hls_delete_old_segments(s, hls, vs)) < 0)
1127 ✗ return ret;
1128 } else
1129 8 av_freep(&en);
1130 } else
1131 86 vs->nb_entries++;
1132
1133
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 94 if (hls->max_seg_size > 0) {
1134 10 return 0;
1135 }
1136 84 vs->sequence++;
1137
1138 84 return 0;
1139 }
1140
1141 ✗ static int extract_segment_number(const char *filename) {
1142 ✗ const char *dot = strrchr(filename, '.');
1143 ✗ const char *num_start = dot - 1;
1144
1145 ✗ while (num_start > filename && *num_start >= '0' && *num_start <= '9') {
1146 ✗ num_start--;
1147 }
1148
1149 ✗ num_start++;
1150
1151 ✗ if (num_start == dot)
1152 ✗ return -1;
1153
1154 ✗ return atoi(num_start);
1155 }
1156
1157 1 static int parse_playlist(AVFormatContext *s, const char *url, VariantStream *vs)
1158 {
1159 1 HLSContext *hls = s->priv_data;
1160 AVIOContext *in;
1161 1 int ret = 0, is_segment = 0;
1162 int64_t new_start_pos;
1163 char line[MAX_URL_SIZE];
1164 const char *ptr;
1165 const char *end;
1166 1 double discont_program_date_time = 0;
1167
1168
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 1 if ((ret = ffio_open_whitelist(&in, url, AVIO_FLAG_READ,
1169 1 &s->interrupt_callback, NULL,
1170 1 s->protocol_whitelist, s->protocol_blacklist)) < 0)
1171 ✗ return ret;
1172
1173 1 ff_get_chomp_line(in, line, sizeof(line));
1174
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 1 if (strcmp(line, "#EXTM3U")) {
1175 ✗ ret = AVERROR_INVALIDDATA;
1176 ✗ goto fail;
1177 }
1178
1179 1 vs->discontinuity = 0;
1180
2/2
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 11 while (!avio_feof(in)) {
1181 10 ff_get_chomp_line(in, line, sizeof(line));
1182
2/2
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✓ Branch 2 taken 9 times.
 10 if (av_strstart(line, "#EXT-X-MEDIA-SEQUENCE:", &ptr)) {
1183 1 int64_t tmp_sequence = strtoll(ptr, NULL, 10);
1184
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 1 if (tmp_sequence < vs->sequence)
1185 ✗ av_log(hls, AV_LOG_VERBOSE,
1186 "Found playlist sequence number was smaller """
1187 "than specified start sequence number: %"PRId64" < %"PRId64", "
1188 "omitting\n", tmp_sequence, hls->start_sequence);
1189 else {
1190 1 av_log(hls, AV_LOG_DEBUG, "Found playlist sequence number: %"PRId64"\n", tmp_sequence);
1191 1 vs->sequence = tmp_sequence;
1192 }
1193
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 9 } else if (av_strstart(line, "#EXT-X-DISCONTINUITY", &ptr)) {
1194 ✗ is_segment = 1;
1195 ✗ vs->discontinuity = 1;
1196
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 9 } else if (av_strstart(line, "#EXTINF:", &ptr)) {
1197 2 is_segment = 1;
1198 2 vs->duration = atof(ptr);
1199
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 7 } else if (av_stristart(line, "#EXT-X-KEY:", &ptr)) {
1200 ✗ ptr = av_stristr(line, "URI=\"");
1201 ✗ if (ptr) {
1202 ✗ ptr += strlen("URI=\"");
1203 ✗ end = av_stristr(ptr, ",");
1204 ✗ if (end) {
1205 ✗ av_strlcpy(vs->key_uri, ptr, end - ptr);
1206 } else {
1207 ✗ av_strlcpy(vs->key_uri, ptr, sizeof(vs->key_uri));
1208 }
1209 }
1210
1211 ✗ ptr = av_stristr(line, "IV=0x");
1212 ✗ if (ptr) {
1213 ✗ ptr += strlen("IV=0x");
1214 ✗ end = av_stristr(ptr, ",");
1215 ✗ if (end) {
1216 ✗ av_strlcpy(vs->iv_string, ptr, end - ptr);
1217 } else {
1218 ✗ av_strlcpy(vs->iv_string, ptr, sizeof(vs->iv_string));
1219 }
1220 }
1221
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 7 } else if (av_strstart(line, "#EXT-X-PROGRAM-DATE-TIME:", &ptr)) {
1222 struct tm program_date_time;
1223 int y,M,d,h,m,sec;
1224 double ms;
1225 ✗ if (sscanf(ptr, "%d-%d-%dT%d:%d:%d.%lf", &y, &M, &d, &h, &m, &sec, &ms) != 7) {
1226 ✗ ret = AVERROR_INVALIDDATA;
1227 ✗ goto fail;
1228 }
1229
1230 ✗ program_date_time.tm_year = y - 1900;
1231 ✗ program_date_time.tm_mon = M - 1;
1232 ✗ program_date_time.tm_mday = d;
1233 ✗ program_date_time.tm_hour = h;
1234 ✗ program_date_time.tm_min = m;
1235 ✗ program_date_time.tm_sec = sec;
1236 ✗ program_date_time.tm_isdst = -1;
1237
1238 ✗ discont_program_date_time = mktime(&program_date_time);
1239 ✗ discont_program_date_time += (double)(ms / 1000);
1240
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 7 } else if (av_strstart(line, "#", NULL)) {
1241 4 continue;
1242
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 3 } else if (line[0]) {
1243
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 2 if (is_segment) {
1244 2 char *new_file = av_strdup(line);
1245
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 2 if (!new_file) {
1246 ✗ ret = AVERROR(ENOMEM);
1247 ✗ goto fail;
1248 }
1249 2 ff_format_set_url(vs->avf, new_file);
1250
1251
1/2
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 2 if (vs->has_subtitle) {
1252 ✗ int vtt_index = extract_segment_number(line);
1253 ✗ const char *vtt_basename = av_basename(vs->vtt_basename);
1254 ✗ char *vtt_file = NULL;
1255 ✗ ret = replace_int_data_in_filename(&vtt_file, vtt_basename, 'd', vtt_index);
1256 ✗ if (ret < 0 || !vtt_file) {
1257 ✗ ret = AVERROR(ENOMEM);
1258 ✗ goto fail;
1259 }
1260
1261 ✗ ff_format_set_url(vs->vtt_avf, vtt_file);
1262 }
1263
1264 2 is_segment = 0;
1265 2 new_start_pos = avio_tell(vs->avf->pb);
1266 2 vs->size = new_start_pos - vs->start_pos;
1267 2 ret = hls_append_segment(s, hls, vs, vs->duration, vs->start_pos, vs->size);
1268
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 2 if (discont_program_date_time) {
1269 ✗ vs->last_segment->discont_program_date_time = discont_program_date_time;
1270 ✗ discont_program_date_time += vs->duration;
1271 }
1272
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 2 if (ret < 0)
1273 ✗ goto fail;
1274 2 vs->start_pos = new_start_pos;
1275 }
1276 }
1277 }
1278
1279 1 fail:
1280 1 avio_close(in);
1281 1 return ret;
1282 }
1283
1284 36 static void hls_free_segments(HLSSegment *p)
1285 {
1286 HLSSegment *en;
1287
1288
2/2
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 122 while (p) {
1289 86 en = p;
1290 86 p = p->next;
1291 86 av_freep(&en);
1292 }
1293 36 }
1294
1295 ✗ static int hls_rename_temp_file(AVFormatContext *s, AVFormatContext *oc)
1296 {
1297 ✗ size_t len = strlen(oc->url);
1298 ✗ char *final_filename = av_strdup(oc->url);
1299 int ret;
1300
1301 ✗ if (!final_filename)
1302 ✗ return AVERROR(ENOMEM);
1303 ✗ final_filename[len-4] = '\0';
1304 ✗ ret = ff_rename(oc->url, final_filename, s);
1305 ✗ oc->url[len-4] = '\0';
1306 ✗ av_freep(&final_filename);
1307 ✗ return ret;
1308 }
1309
1310 ✗ static const char* get_relative_url(const char *master_url, const char *media_url)
1311 {
1312 ✗ const char *p = strrchr(master_url, '/');
1313 ✗ size_t base_len = 0;
1314
1315 ✗ if (!p) p = strrchr(master_url, '\\');
1316
1317 ✗ if (p) {
1318 ✗ base_len = p - master_url;
1319 ✗ if (av_strncasecmp(master_url, media_url, base_len)) {
1320 ✗ av_log(NULL, AV_LOG_WARNING, "Unable to find relative url\n");
1321 ✗ return NULL;
1322 }
1323 } else {
1324 ✗ return media_url;
1325 }
1326
1327 ✗ return media_url + base_len + 1;
1328 }
1329
1330 ✗ static int64_t get_stream_bit_rate(AVStream *stream)
1331 {
1332 ✗ const AVPacketSideData *sd = av_packet_side_data_get(
1333 ✗ stream->codecpar->coded_side_data, stream->codecpar->nb_coded_side_data,
1334 AV_PKT_DATA_CPB_PROPERTIES
1335 );
1336
1337 ✗ if (stream->codecpar->bit_rate)
1338 ✗ return stream->codecpar->bit_rate;
1339 ✗ else if (sd) {
1340 ✗ AVCPBProperties *props = (AVCPBProperties*)sd->data;
1341 ✗ return props->max_bitrate;
1342 }
1343
1344 ✗ return 0;
1345 }
1346
1347 ✗ static int create_master_playlist(AVFormatContext *s,
1348 VariantStream * const input_vs,
1349 int final)
1350 {
1351 ✗ HLSContext *hls = s->priv_data;
1352 VariantStream *vs, *temp_vs;
1353 AVStream *vid_st, *aud_st;
1354 ✗ AVDictionary *options = NULL;
1355 unsigned int i, j;
1356 int ret, bandwidth, avg_bandwidth;
1357 ✗ const char *m3u8_rel_name = NULL;
1358 ✗ const char *vtt_m3u8_rel_name = NULL;
1359 const char *ccgroup;
1360 ✗ const char *sgroup = NULL;
1361 ClosedCaptionsStream *ccs;
1362 ✗ const char *proto = avio_find_protocol_name(hls->master_m3u8_url);
1363 ✗ int is_file_proto = proto && !strcmp(proto, "file");
1364 ✗ int use_temp_file = is_file_proto && ((hls->flags & HLS_TEMP_FILE) || hls->master_publish_rate);
1365 char temp_filename[MAX_URL_SIZE];
1366 int nb_channels;
1367
1368 ✗ input_vs->m3u8_created = 1;
1369 ✗ if (!hls->master_m3u8_created) {
1370 /* For the first time, wait until all the media playlists are created */
1371 ✗ for (i = 0; i < hls->nb_varstreams; i++)
1372 ✗ if (!hls->var_streams[i].m3u8_created)
1373 ✗ return 0;
1374 } else {
1375 /* Keep publishing the master playlist at the configured rate */
1376 ✗ if ((&hls->var_streams[0] != input_vs || !hls->master_publish_rate ||
1377 ✗ input_vs->number % hls->master_publish_rate) && !final)
1378 ✗ return 0;
1379 }
1380
1381 ✗ set_http_options(s, &options, hls);
1382 ✗ snprintf(temp_filename, sizeof(temp_filename), use_temp_file ? "%s.tmp" : "%s", hls->master_m3u8_url);
1383 ✗ ret = hlsenc_io_open(s, &hls->m3u8_out, temp_filename, &options);
1384 ✗ av_dict_free(&options);
1385 ✗ if (ret < 0) {
1386 ✗ av_log(s, AV_LOG_ERROR, "Failed to open master play list file '%s'\n",
1387 temp_filename);
1388 ✗ goto fail;
1389 }
1390
1391 ✗ ff_hls_write_playlist_version(hls->m3u8_out, hls->version);
1392
1393 ✗ for (i = 0; i < hls->nb_ccstreams; i++) {
1394 ✗ ccs = &(hls->cc_streams[i]);
1395 ✗ avio_printf(hls->m3u8_out, "#EXT-X-MEDIA:TYPE=CLOSED-CAPTIONS");
1396 ✗ avio_printf(hls->m3u8_out, ",GROUP-ID=\"%s\"", ccs->ccgroup);
1397 ✗ avio_printf(hls->m3u8_out, ",NAME=\"%s\"", ccs->instreamid);
1398 ✗ if (ccs->language)
1399 ✗ avio_printf(hls->m3u8_out, ",LANGUAGE=\"%s\"", ccs->language);
1400 ✗ avio_printf(hls->m3u8_out, ",INSTREAM-ID=\"%s\"\n", ccs->instreamid);
1401 }
1402
1403 /* For audio only variant streams add #EXT-X-MEDIA tag with attributes*/
1404 ✗ for (i = 0; i < hls->nb_varstreams; i++) {
1405 ✗ vs = &(hls->var_streams[i]);
1406
1407 ✗ if (vs->has_video || vs->has_subtitle || !vs->agroup)
1408 ✗ continue;
1409
1410 ✗ m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->m3u8_name);
1411 ✗ if (!m3u8_rel_name) {
1412 ✗ av_log(s, AV_LOG_ERROR, "Unable to find relative URL\n");
1413 ✗ goto fail;
1414 }
1415 ✗ nb_channels = 0;
1416 ✗ for (j = 0; j < vs->nb_streams; j++)
1417 ✗ if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
1418 ✗ if (vs->streams[j]->codecpar->ch_layout.nb_channels > nb_channels)
1419 ✗ nb_channels = vs->streams[j]->codecpar->ch_layout.nb_channels;
1420
1421 ✗ 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);
1422 }
1423
1424 /* For variant streams with video add #EXT-X-STREAM-INF tag with attributes*/
1425 ✗ for (i = 0; i < hls->nb_varstreams; i++) {
1426 ✗ vs = &(hls->var_streams[i]);
1427
1428 ✗ m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->m3u8_name);
1429 ✗ if (!m3u8_rel_name) {
1430 ✗ av_log(s, AV_LOG_ERROR, "Unable to find relative URL\n");
1431 ✗ goto fail;
1432 }
1433
1434 ✗ vid_st = NULL;
1435 ✗ aud_st = NULL;
1436 ✗ for (j = 0; j < vs->nb_streams; j++) {
1437 ✗ if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
1438 ✗ vid_st = vs->streams[j];
1439 ✗ else if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
1440 ✗ aud_st = vs->streams[j];
1441 }
1442
1443 ✗ if (!vid_st && !aud_st) {
1444 ✗ av_log(s, AV_LOG_WARNING, "Media stream not found\n");
1445 ✗ continue;
1446 }
1447
1448 /**
1449 * Traverse through the list of audio only rendition streams and find
1450 * the rendition which has highest bitrate in the same audio group
1451 */
1452 ✗ if (vs->agroup) {
1453 ✗ for (j = 0; j < hls->nb_varstreams; j++) {
1454 ✗ temp_vs = &(hls->var_streams[j]);
1455 ✗ if (!temp_vs->has_video && !temp_vs->has_subtitle &&
1456 ✗ temp_vs->agroup &&
1457 ✗ !av_strcasecmp(temp_vs->agroup, vs->agroup)) {
1458 ✗ if (!aud_st)
1459 ✗ aud_st = temp_vs->streams[0];
1460 ✗ if (temp_vs->streams[0]->codecpar->bit_rate >
1461 ✗ aud_st->codecpar->bit_rate)
1462 ✗ aud_st = temp_vs->streams[0];
1463 }
1464 }
1465 }
1466
1467 ✗ if (final) {
1468 ✗ bandwidth = vs->max_bitrate;
1469 ✗ avg_bandwidth = vs->avg_bitrate;
1470 } else {
1471 ✗ bandwidth = 0;
1472 ✗ if (vid_st)
1473 ✗ bandwidth += get_stream_bit_rate(vid_st);
1474 ✗ if (aud_st)
1475 ✗ bandwidth += get_stream_bit_rate(aud_st);
1476 ✗ bandwidth += bandwidth / 10;
1477 }
1478
1479 ✗ ccgroup = NULL;
1480 ✗ if (vid_st && vs->ccgroup) {
1481 /* check if this group name is available in the cc map string */
1482 ✗ for (j = 0; j < hls->nb_ccstreams; j++) {
1483 ✗ ccs = &(hls->cc_streams[j]);
1484 ✗ if (!av_strcasecmp(ccs->ccgroup, vs->ccgroup)) {
1485 ✗ ccgroup = vs->ccgroup;
1486 ✗ break;
1487 }
1488 }
1489 ✗ if (j == hls->nb_ccstreams)
1490 ✗ av_log(s, AV_LOG_WARNING, "mapping ccgroup %s not found\n",
1491 vs->ccgroup);
1492 }
1493
1494 ✗ if (vid_st && vs->sgroup) {
1495 ✗ sgroup = vs->sgroup;
1496 ✗ vtt_m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->vtt_m3u8_name);
1497 ✗ if (!vtt_m3u8_rel_name) {
1498 ✗ av_log(s, AV_LOG_WARNING, "Unable to find relative subtitle URL\n");
1499 ✗ break;
1500 }
1501
1502 ✗ ff_hls_write_subtitle_rendition(hls->m3u8_out, sgroup, vtt_m3u8_rel_name, vs->language,
1503 ✗ vs->subtitle_varname, i, hls->has_default_key ? vs->is_default : 1);
1504 }
1505
1506 ✗ if (!hls->has_default_key || !hls->has_video_m3u8) {
1507 ✗ ff_hls_write_stream_info(vid_st, hls->m3u8_out, bandwidth, avg_bandwidth, m3u8_rel_name,
1508 ✗ aud_st ? vs->agroup : NULL, vs->codec_attr, ccgroup, sgroup);
1509 } else {
1510 ✗ if (vid_st) {
1511 ✗ ff_hls_write_stream_info(vid_st, hls->m3u8_out, bandwidth, avg_bandwidth, m3u8_rel_name,
1512 ✗ aud_st ? vs->agroup : NULL, vs->codec_attr, ccgroup, sgroup);
1513 }
1514 }
1515 }
1516 ✗ fail:
1517 ✗ if (ret >=0)
1518 ✗ hls->master_m3u8_created = 1;
1519 ✗ hlsenc_io_close(s, &hls->m3u8_out, temp_filename);
1520 ✗ if (use_temp_file)
1521 ✗ ff_rename(temp_filename, hls->master_m3u8_url, s);
1522
1523 ✗ return ret;
1524 }
1525
1526 90 static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
1527 {
1528 90 HLSContext *hls = s->priv_data;
1529 HLSSegment *en;
1530 90 int target_duration = 0;
1531 90 int ret = 0;
1532 char temp_filename[MAX_URL_SIZE];
1533 char temp_vtt_filename[MAX_URL_SIZE];
1534 90 int64_t sequence = FFMAX(hls->start_sequence, vs->sequence - vs->nb_entries);
1535 90 const char *proto = avio_find_protocol_name(vs->m3u8_name);
1536
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 90 int is_file_proto = proto && !strcmp(proto, "file");
1537
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 90 int use_temp_file = is_file_proto && ((hls->flags & HLS_TEMP_FILE) || !(hls->pl_type == PLAYLIST_TYPE_VOD));
1538 static unsigned warned_non_file;
1539 90 char *key_uri = NULL;
1540 90 char *iv_string = NULL;
1541 90 AVDictionary *options = NULL;
1542 90 double prog_date_time = vs->initial_prog_date_time;
1543
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 90 double *prog_date_time_p = (hls->flags & HLS_PROGRAM_DATE_TIME) ? &prog_date_time : NULL;
1544
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 90 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
1545
1546 90 hls->version = 2;
1547
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 90 if (!(hls->flags & HLS_ROUND_DURATIONS)) {
1548 87 hls->version = 3;
1549 }
1550
1551
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 90 if (byterange_mode) {
1552 20 hls->version = 4;
1553 20 sequence = 0;
1554 }
1555
1556
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 90 if (hls->flags & HLS_I_FRAMES_ONLY) {
1557 ✗ hls->version = 4;
1558 }
1559
1560
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 90 if (hls->flags & HLS_INDEPENDENT_SEGMENTS) {
1561 3 hls->version = 6;
1562 }
1563
1564
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 90 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
1565 6 hls->version = 7;
1566 }
1567
1568
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 90 if (!is_file_proto && (hls->flags & HLS_TEMP_FILE) && !warned_non_file++)
1569 ✗ av_log(s, AV_LOG_ERROR, "Cannot use rename on non file protocol, this may lead to races and temporary partial files\n");
1570
1571 90 set_http_options(s, &options, hls);
1572
2/2
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 90 snprintf(temp_filename, sizeof(temp_filename), use_temp_file ? "%s.tmp" : "%s", vs->m3u8_name);
1573
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 90 ret = hlsenc_io_open(s, byterange_mode ? &hls->m3u8_out : &vs->out, temp_filename, &options);
1574 90 av_dict_free(&options);
1575
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 90 if (ret < 0) {
1576 ✗ goto fail;
1577 }
1578
1579
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 421 for (en = vs->segments; en; en = en->next) {
1580
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 331 if (target_duration <= en->duration)
1581 247 target_duration = lrint(en->duration);
1582 }
1583
1584 90 vs->discontinuity_set = 0;
1585 90 ff_hls_write_playlist_header(byterange_mode ? hls->m3u8_out : vs->out, hls->version, hls->allowcache,
1586
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 90 target_duration, sequence, hls->pl_type, hls->flags & HLS_I_FRAMES_ONLY);
1587
1588
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 90 if ((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0) {
1589
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 3 avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-DISCONTINUITY\n");
1590 3 vs->discontinuity_set = 1;
1591 }
1592
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 90 if (vs->has_video && (hls->flags & HLS_INDEPENDENT_SEGMENTS)) {
1593
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 3 avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-INDEPENDENT-SEGMENTS\n");
1594 }
1595
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 421 for (en = vs->segments; en; en = en->next) {
1596
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 331 if ((hls->encrypt || hls->key_info_file) && (!key_uri || strcmp(en->key_uri, key_uri) ||
1597 ✗ av_strcasecmp(en->iv_string, iv_string))) {
1598 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-KEY:METHOD=AES-128,URI=\"%s\"", en->key_uri);
1599 ✗ if (*en->iv_string)
1600 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, ",IV=0x%s", en->iv_string);
1601 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "\n");
1602 ✗ key_uri = en->key_uri;
1603 ✗ iv_string = en->iv_string;
1604 }
1605
1606
4/4
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 331 if ((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == vs->segments)) {
1607
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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,
1608
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 6 hls->flags & HLS_SINGLE_FILE, vs->init_range_length, 0);
1609 }
1610
1611 662 ret = ff_hls_write_file_entry(byterange_mode ? hls->m3u8_out : vs->out, en->discont, byterange_mode,
1612 331 en->duration, hls->flags & HLS_ROUND_DURATIONS,
1613 331 en->size, en->pos, hls->baseurl,
1614
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 331 en->filename,
1615 331 en->discont_program_date_time ? &en->discont_program_date_time : prog_date_time_p,
1616
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 331 en->keyframe_size, en->keyframe_pos, hls->flags & HLS_I_FRAMES_ONLY);
1617
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 331 if (en->discont_program_date_time)
1618 ✗ en->discont_program_date_time -= en->duration;
1619
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 331 if (ret < 0) {
1620 ✗ av_log(s, AV_LOG_WARNING, "ff_hls_write_file_entry get error\n");
1621 }
1622 }
1623
1624
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 90 if (last && (hls->flags & HLS_OMIT_ENDLIST)==0)
1625
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 16 ff_hls_write_end_list(byterange_mode ? hls->m3u8_out : vs->out);
1626
1627
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 90 if (vs->vtt_m3u8_name) {
1628 ✗ set_http_options(vs->vtt_avf, &options, hls);
1629 ✗ snprintf(temp_vtt_filename, sizeof(temp_vtt_filename), use_temp_file ? "%s.tmp" : "%s", vs->vtt_m3u8_name);
1630 ✗ ret = hlsenc_io_open(s, &hls->sub_m3u8_out, temp_vtt_filename, &options);
1631 ✗ av_dict_free(&options);
1632 ✗ if (ret < 0) {
1633 ✗ goto fail;
1634 }
1635 ✗ ff_hls_write_playlist_header(hls->sub_m3u8_out, hls->version, hls->allowcache,
1636 target_duration, sequence, PLAYLIST_TYPE_NONE, 0);
1637 ✗ for (en = vs->segments; en; en = en->next) {
1638 ✗ ret = ff_hls_write_file_entry(hls->sub_m3u8_out, en->discont, byterange_mode,
1639 en->duration, 0, en->size, en->pos,
1640 ✗ hls->baseurl, en->sub_filename, NULL, 0, 0, 0);
1641 ✗ if (ret < 0) {
1642 ✗ av_log(s, AV_LOG_WARNING, "ff_hls_write_file_entry get error\n");
1643 }
1644 }
1645
1646 ✗ if (last && !(hls->flags & HLS_OMIT_ENDLIST))
1647 ✗ ff_hls_write_end_list(hls->sub_m3u8_out);
1648
1649 }
1650
1651 90 fail:
1652 90 av_dict_free(&options);
1653
2/2
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 90 ret = hlsenc_io_close(s, byterange_mode ? &hls->m3u8_out : &vs->out, temp_filename);
1654
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 90 if (ret < 0) {
1655 ✗ return ret;
1656 }
1657 90 hlsenc_io_close(s, &hls->sub_m3u8_out, vs->vtt_m3u8_name);
1658
2/2
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 90 if (use_temp_file) {
1659 89 ff_rename(temp_filename, vs->m3u8_name, s);
1660
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 89 if (vs->vtt_m3u8_name)
1661 ✗ ff_rename(temp_vtt_filename, vs->vtt_m3u8_name, s);
1662 }
1663
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 90 if (ret >= 0 && hls->master_pl_name)
1664 ✗ if (create_master_playlist(s, vs, last) < 0)
1665 ✗ av_log(s, AV_LOG_WARNING, "Master playlist creation failed\n");
1666
1667 90 return ret;
1668 }
1669
1670 77 static int hls_start(AVFormatContext *s, VariantStream *vs)
1671 {
1672 77 HLSContext *c = s->priv_data;
1673 77 AVFormatContext *oc = vs->avf;
1674 77 AVFormatContext *vtt_oc = vs->vtt_avf;
1675 77 AVDictionary *options = NULL;
1676 77 const char *proto = NULL;
1677 77 int use_temp_file = 0;
1678 char iv_string[KEYSIZE*2 + 1];
1679 77 int err = 0;
1680
1681
2/2
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 77 if (c->flags & HLS_SINGLE_FILE) {
1682 1 char *new_name = av_strdup(vs->basename);
1683
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 1 if (!new_name)
1684 ✗ return AVERROR(ENOMEM);
1685 1 ff_format_set_url(oc, new_name);
1686
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 1 if (vs->vtt_basename) {
1687 ✗ new_name = av_strdup(vs->vtt_basename);
1688 ✗ if (!new_name)
1689 ✗ return AVERROR(ENOMEM);
1690 ✗ ff_format_set_url(vtt_oc, new_name);
1691 }
1692
2/2
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 76 } else if (c->max_seg_size > 0) {
1693 4 char *filename = NULL;
1694
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 4 if (replace_int_data_in_filename(&filename,
1695 4 vs->basename, 'd', vs->sequence) < 1) {
1696 ✗ av_freep(&filename);
1697 ✗ av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s', you can try to use -strftime 1 with it\n", vs->basename);
1698 ✗ return AVERROR(EINVAL);
1699 }
1700 4 ff_format_set_url(oc, filename);
1701 } else {
1702
1/2
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 72 if (c->use_localtime) {
1703 int r;
1704 ✗ char *expanded = NULL;
1705
1706 ✗ r = strftime_expand(vs->basename, &expanded);
1707 ✗ if (r < 0) {
1708 ✗ av_log(oc, AV_LOG_ERROR, "Could not get segment filename with strftime\n");
1709 ✗ return r;
1710 }
1711 ✗ ff_format_set_url(oc, expanded);
1712
1713 ✗ err = sls_flag_use_localtime_filename(oc, c, vs);
1714 ✗ if (err < 0) {
1715 ✗ return AVERROR(ENOMEM);
1716 }
1717
1718 ✗ if (c->use_localtime_mkdir) {
1719 const char *dir;
1720 ✗ char *fn_copy = av_strdup(oc->url);
1721 ✗ if (!fn_copy)
1722 ✗ return AVERROR(ENOMEM);
1723 ✗ dir = av_dirname(fn_copy);
1724 ✗ if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
1725 ✗ av_log(oc, AV_LOG_ERROR, "Could not create directory %s with use_localtime_mkdir\n", dir);
1726 ✗ av_freep(&fn_copy);
1727 ✗ return AVERROR(errno);
1728 }
1729 ✗ av_freep(&fn_copy);
1730 }
1731 } else {
1732 72 char *filename = NULL;
1733
1/2
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 72 if (replace_int_data_in_filename(&filename,
1734 72 vs->basename, 'd', vs->sequence) < 1) {
1735 ✗ av_freep(&filename);
1736 ✗ av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s' you can try to use -strftime 1 with it\n", vs->basename);
1737 ✗ return AVERROR(EINVAL);
1738 }
1739 72 ff_format_set_url(oc, filename);
1740 }
1741
1/2
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 72 if (vs->vtt_basename) {
1742 ✗ char *filename = NULL;
1743 ✗ if (replace_int_data_in_filename(&filename,
1744 ✗ vs->vtt_basename, 'd', vs->sequence) < 1) {
1745 ✗ av_freep(&filename);
1746 ✗ av_log(vtt_oc, AV_LOG_ERROR, "Invalid segment filename template '%s'\n", vs->vtt_basename);
1747 ✗ return AVERROR(EINVAL);
1748 }
1749 ✗ ff_format_set_url(vtt_oc, filename);
1750 }
1751 }
1752
1753 77 proto = avio_find_protocol_name(oc->url);
1754
3/6
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 77 use_temp_file = proto && !strcmp(proto, "file") && (c->flags & HLS_TEMP_FILE);
1755
1756
1/2
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 77 if (use_temp_file) {
1757 ✗ char *new_name = av_asprintf("%s.tmp", oc->url);
1758 ✗ if (!new_name)
1759 ✗ return AVERROR(ENOMEM);
1760 ✗ ff_format_set_url(oc, new_name);
1761 }
1762
1763
2/4
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 77 if (c->key_info_file || c->encrypt) {
1764 ✗ if (c->segment_type == SEGMENT_TYPE_FMP4) {
1765 ✗ av_log(s, AV_LOG_ERROR, "Encrypted fmp4 not yet supported\n");
1766 ✗ return AVERROR_PATCHWELCOME;
1767 }
1768
1769 ✗ if (c->key_info_file && c->encrypt) {
1770 ✗ av_log(s, AV_LOG_WARNING, "Cannot use both -hls_key_info_file and -hls_enc,"
1771 " ignoring -hls_enc\n");
1772 }
1773
1774 ✗ if (!vs->encrypt_started || (c->flags & HLS_PERIODIC_REKEY)) {
1775 ✗ if (c->key_info_file) {
1776 ✗ if ((err = hls_encryption_start(s, vs)) < 0)
1777 ✗ goto fail;
1778 } else {
1779 ✗ if (!c->encrypt_started) {
1780 ✗ if ((err = do_encrypt(s, vs)) < 0)
1781 ✗ goto fail;
1782 ✗ c->encrypt_started = 1;
1783 }
1784 ✗ av_strlcpy(vs->key_uri, c->key_uri, sizeof(vs->key_uri));
1785 ✗ av_strlcpy(vs->key_string, c->key_string, sizeof(vs->key_string));
1786 ✗ av_strlcpy(vs->iv_string, c->iv_string, sizeof(vs->iv_string));
1787 }
1788 ✗ vs->encrypt_started = 1;
1789 }
1790 ✗ err = av_strlcpy(iv_string, vs->iv_string, sizeof(iv_string));
1791 ✗ if (!err) {
1792 ✗ snprintf(iv_string, sizeof(iv_string), "%032"PRIx64, vs->sequence);
1793 ✗ memset(vs->iv_string, 0, sizeof(vs->iv_string));
1794 ✗ memcpy(vs->iv_string, iv_string, sizeof(iv_string));
1795 }
1796 }
1797
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 77 if (c->segment_type != SEGMENT_TYPE_FMP4) {
1798
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 71 if (oc->oformat->priv_class && oc->priv_data) {
1799 71 av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
1800 }
1801
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 71 if (c->flags & HLS_SINGLE_FILE) {
1802
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 1 if (c->key_info_file || c->encrypt) {
1803 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
1804 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
1805
1806 /* Write temp file with cryption content */
1807 ✗ av_freep(&vs->basename_tmp);
1808 ✗ vs->basename_tmp = av_asprintf("crypto:%s.tmp", oc->url);
1809
1810 /* append temp file content into single file */
1811 ✗ av_freep(&vs->basename);
1812 ✗ vs->basename = av_asprintf("%s", oc->url);
1813 } else {
1814 1 vs->basename_tmp = vs->basename;
1815 }
1816 1 set_http_options(s, &options, c);
1817
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 1 if (!vs->out_single_file)
1818
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 1 if ((err = hlsenc_io_open(s, &vs->out_single_file, vs->basename, &options)) < 0) {
1819 ✗ if (c->ignore_io_errors)
1820 ✗ err = 0;
1821 ✗ goto fail;
1822 }
1823
1824
1/2
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 1 if ((err = hlsenc_io_open(s, &vs->out, vs->basename_tmp, &options)) < 0) {
1825 ✗ if (c->ignore_io_errors)
1826 ✗ err = 0;
1827 ✗ goto fail;
1828 }
1829
1830 }
1831 }
1832
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 77 if (vs->vtt_basename) {
1833 ✗ set_http_options(s, &options, c);
1834 ✗ if ((err = hlsenc_io_open(s, &vtt_oc->pb, vtt_oc->url, &options)) < 0) {
1835 ✗ if (c->ignore_io_errors)
1836 ✗ err = 0;
1837 ✗ goto fail;
1838 }
1839 }
1840 77 av_dict_free(&options);
1841
1842
1/2
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 77 if (vs->vtt_basename) {
1843 ✗ err = avformat_write_header(vtt_oc,NULL);
1844 ✗ if (err < 0)
1845 ✗ return err;
1846 }
1847
1848 77 return 0;
1849 ✗ fail:
1850 ✗ av_dict_free(&options);
1851
1852 ✗ return err;
1853 }
1854
1855 ✗ static const char * get_default_pattern_localtime_fmt(AVFormatContext *s)
1856 {
1857 ✗ HLSContext *hls = s->priv_data;
1858 #if HAVE_LIBC_MSVCRT
1859 // no %s support on MSVC, which invokes the invalid parameter handler
1860 // on unsupported format strings, instead of returning an error
1861 int strftime_s_supported = 0;
1862 #else
1863 char b[21];
1864 ✗ time_t t = time(NULL);
1865 ✗ struct tm tmbuf, *p = localtime_r(&t, &tmbuf);
1866 // no %s support when strftime returned error or left format string unchanged
1867 ✗ int strftime_s_supported = strftime(b, sizeof(b), "%s", p) && strcmp(b, "%s");
1868 #endif
1869
1870 ✗ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
1871 ✗ return strftime_s_supported ? "-%s.m4s" : "-%Y%m%d%H%M%S.m4s";
1872 }
1873 ✗ return strftime_s_supported ? "-%s.ts" : "-%Y%m%d%H%M%S.ts";
1874 }
1875
1876 ✗ static int append_postfix(char *name, int name_buf_len, int i)
1877 {
1878 char *p;
1879 ✗ char extension[10] = {'\0'};
1880
1881 ✗ p = strrchr(name, '.');
1882 ✗ if (p) {
1883 ✗ av_strlcpy(extension, p, sizeof(extension));
1884 ✗ *p = '\0';
1885 }
1886
1887 ✗ snprintf(name + strlen(name), name_buf_len - strlen(name), POSTFIX_PATTERN, i);
1888
1889 ✗ if (strlen(extension))
1890 ✗ av_strlcat(name, extension, name_buf_len);
1891
1892 ✗ return 0;
1893 }
1894
1895 39 static int validate_name(int nb_vs, const char *fn)
1896 {
1897 const char *filename, *subdir_name;
1898 39 char *fn_dup = NULL;
1899 39 int ret = 0;
1900
1901
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 39 if (!fn)
1902 ✗ return AVERROR(EINVAL);
1903
1904 39 fn_dup = av_strdup(fn);
1905
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 39 if (!fn_dup)
1906 ✗ return AVERROR(ENOMEM);
1907 39 filename = av_basename(fn);
1908 39 subdir_name = av_dirname(fn_dup);
1909
1910
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 39 if (nb_vs > 1 && !av_stristr(filename, "%v") && !av_stristr(subdir_name, "%v")) {
1911 ✗ av_log(NULL, AV_LOG_ERROR, "More than 1 variant streams are present, %%v is expected "
1912 "either in the filename or in the sub-directory name of file %s\n", fn);
1913 ✗ ret = AVERROR(EINVAL);
1914 ✗ goto fail;
1915 }
1916
1917
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 39 if (av_stristr(filename, "%v") && av_stristr(subdir_name, "%v")) {
1918 ✗ av_log(NULL, AV_LOG_ERROR, "%%v is expected either in the filename or "
1919 "in the sub-directory name of file %s, but only in one of them\n", fn);
1920 ✗ ret = AVERROR(EINVAL);
1921 ✗ goto fail;
1922 }
1923
1924 39 fail:
1925 39 av_freep(&fn_dup);
1926 39 return ret;
1927 }
1928
1929 36 static int format_name(const char *buf, char **s, int index, const char *varname)
1930 {
1931 const char *proto, *dir;
1932 36 char *orig_buf_dup = NULL, *mod_buf_dup = NULL;
1933 36 int ret = 0;
1934
1935 36 orig_buf_dup = av_strdup(buf);
1936
1/2
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 36 if (!orig_buf_dup)
1937 ✗ return AVERROR(ENOMEM);
1938
1939
1/2
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✗ Branch 2 not taken.
 36 if (!av_stristr(buf, "%v")) {
1940 36 *s = orig_buf_dup;
1941 36 return 0;
1942 }
1943
1944 ✗ if (!varname) {
1945 ✗ if (replace_int_data_in_filename(s, orig_buf_dup, 'v', index) < 1) {
1946 ✗ ret = AVERROR(EINVAL);
1947 ✗ goto fail;
1948 }
1949 } else {
1950 ✗ if (replace_str_data_in_filename(s, orig_buf_dup, 'v', varname) < 1) {
1951 ✗ ret = AVERROR(EINVAL);
1952 ✗ goto fail;
1953 }
1954 }
1955
1956 ✗ proto = avio_find_protocol_name(orig_buf_dup);
1957 ✗ dir = av_dirname(orig_buf_dup);
1958
1959 /* if %v is present in the file's directory, create sub-directory */
1960 ✗ if (av_stristr(dir, "%v") && proto && !strcmp(proto, "file")) {
1961 ✗ mod_buf_dup = av_strdup(*s);
1962 ✗ dir = av_dirname(mod_buf_dup);
1963 ✗ if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
1964 ✗ ret = AVERROR(errno);
1965 ✗ goto fail;
1966 }
1967 }
1968
1969 ✗ fail:
1970 ✗ av_freep(&orig_buf_dup);
1971 ✗ av_freep(&mod_buf_dup);
1972 ✗ return ret;
1973 }
1974
1975 ✗ static int get_nth_codec_stream_index(AVFormatContext *s,
1976 enum AVMediaType codec_type,
1977 int64_t stream_id)
1978 {
1979 unsigned int stream_index, cnt;
1980 ✗ if (stream_id < 0 || stream_id > s->nb_streams - 1)
1981 ✗ return -1;
1982 ✗ cnt = 0;
1983 ✗ for (stream_index = 0; stream_index < s->nb_streams; stream_index++) {
1984 ✗ if (s->streams[stream_index]->codecpar->codec_type != codec_type)
1985 ✗ continue;
1986 ✗ if (cnt == stream_id)
1987 ✗ return stream_index;
1988 ✗ cnt++;
1989 }
1990 ✗ return -1;
1991 }
1992
1993 ✗ static int parse_variant_stream_mapstring(AVFormatContext *s)
1994 {
1995 ✗ HLSContext *hls = s->priv_data;
1996 VariantStream *vs;
1997 int stream_index, i, j;
1998 enum AVMediaType codec_type;
1999 ✗ int nb_varstreams = 0, nb_streams;
2000 char *p, *q, *saveptr1, *saveptr2, *varstr, *keyval;
2001 const char *val;
2002
2003 /**
2004 * Expected format for var_stream_map string is as below:
2005 * "a:0,v:0 a:1,v:1"
2006 * "a:0,agroup:a0,default:1,language:ENG a:1,agroup:a1,default:0 v:0,agroup:a0 v:1,agroup:a1"
2007 * This string specifies how to group the audio, video and subtitle streams
2008 * into different variant streams. The variant stream groups are separated
2009 * by space.
2010 *
2011 * a:, v:, s: are keys to specify audio, video and subtitle streams
2012 * respectively. Allowed values are 0 to 9 digits (limited just based on
2013 * practical usage)
2014 *
2015 * agroup: is key to specify audio group. A string can be given as value.
2016 * sgroup: is key to specify subtitle group. A string can be given as value.
2017 */
2018 ✗ p = av_strdup(hls->var_stream_map);
2019 ✗ if (!p)
2020 ✗ return AVERROR(ENOMEM);
2021
2022 ✗ q = p;
2023 ✗ while (av_strtok(q, " \t", &saveptr1)) {
2024 ✗ q = NULL;
2025 ✗ nb_varstreams++;
2026 }
2027 ✗ av_freep(&p);
2028
2029 ✗ hls->var_streams = av_mallocz(sizeof(*hls->var_streams) * nb_varstreams);
2030 ✗ if (!hls->var_streams)
2031 ✗ return AVERROR(ENOMEM);
2032 ✗ hls->nb_varstreams = nb_varstreams;
2033
2034 ✗ p = hls->var_stream_map;
2035 ✗ nb_varstreams = 0;
2036 ✗ while (varstr = av_strtok(p, " \t", &saveptr1)) {
2037 ✗ p = NULL;
2038
2039 ✗ if (nb_varstreams < hls->nb_varstreams) {
2040 ✗ vs = &(hls->var_streams[nb_varstreams]);
2041 ✗ vs->var_stream_idx = nb_varstreams;
2042 ✗ vs->is_default = 0;
2043 ✗ nb_varstreams++;
2044 } else
2045 ✗ return AVERROR(EINVAL);
2046
2047 ✗ q = varstr;
2048 while (1) {
2049 ✗ if (!av_strncasecmp(q, "a:", 2) || !av_strncasecmp(q, "v:", 2) ||
2050 ✗ !av_strncasecmp(q, "s:", 2))
2051 ✗ vs->nb_streams++;
2052 ✗ q = strchr(q, ',');
2053 ✗ if (!q)
2054 ✗ break;
2055 ✗ q++;
2056 }
2057 ✗ vs->streams = av_mallocz(sizeof(AVStream *) * vs->nb_streams);
2058 ✗ if (!vs->streams)
2059 ✗ return AVERROR(ENOMEM);
2060
2061 ✗ nb_streams = 0;
2062 ✗ while (keyval = av_strtok(varstr, ",", &saveptr2)) {
2063 int64_t num;
2064 char *end;
2065 ✗ varstr = NULL;
2066 ✗ if (av_strstart(keyval, "language:", &val)) {
2067 ✗ vs->language = val;
2068 ✗ continue;
2069 ✗ } else if (av_strstart(keyval, "default:", &val)) {
2070 ✗ vs->is_default = (!av_strncasecmp(val, "YES", strlen("YES")) ||
2071 ✗ (!av_strncasecmp(val, "1", strlen("1"))));
2072 ✗ hls->has_default_key = 1;
2073 ✗ continue;
2074 ✗ } else if (av_strstart(keyval, "name:", &val)) {
2075 ✗ vs->varname = val;
2076 ✗ continue;
2077 ✗ } else if (av_strstart(keyval, "sname:", &val)) {
2078 ✗ vs->subtitle_varname = val;
2079 ✗ continue;
2080 ✗ } else if (av_strstart(keyval, "agroup:", &val)) {
2081 ✗ vs->agroup = val;
2082 ✗ continue;
2083 ✗ } else if (av_strstart(keyval, "sgroup:", &val)) {
2084 ✗ vs->sgroup = val;
2085 ✗ continue;
2086 ✗ } else if (av_strstart(keyval, "ccgroup:", &val)) {
2087 ✗ vs->ccgroup = val;
2088 ✗ continue;
2089 ✗ } else if (av_strstart(keyval, "v:", &val)) {
2090 ✗ codec_type = AVMEDIA_TYPE_VIDEO;
2091 ✗ hls->has_video_m3u8 = 1;
2092 ✗ } else if (av_strstart(keyval, "a:", &val)) {
2093 ✗ codec_type = AVMEDIA_TYPE_AUDIO;
2094 ✗ } else if (av_strstart(keyval, "s:", &val)) {
2095 ✗ codec_type = AVMEDIA_TYPE_SUBTITLE;
2096 } else {
2097 ✗ av_log(s, AV_LOG_ERROR, "Invalid keyval %s\n", keyval);
2098 ✗ return AVERROR(EINVAL);
2099 }
2100
2101 ✗ num = strtoll(val, &end, 10);
2102 ✗ if (!av_isdigit(*val) || *end != '\0') {
2103 ✗ av_log(s, AV_LOG_ERROR, "Invalid stream number: '%s'\n", val);
2104 ✗ return AVERROR(EINVAL);
2105 }
2106 ✗ stream_index = get_nth_codec_stream_index(s, codec_type, num);
2107
2108 ✗ if (stream_index >= 0 && nb_streams < vs->nb_streams) {
2109 ✗ for (i = 0; nb_streams > 0 && i < nb_streams; i++) {
2110 ✗ if (vs->streams[i] == s->streams[stream_index]) {
2111 ✗ av_log(s, AV_LOG_ERROR, "Same elementary stream found more than once inside "
2112 "variant definition #%d\n", nb_varstreams - 1);
2113 ✗ return AVERROR(EINVAL);
2114 }
2115 }
2116 ✗ for (j = 0; nb_varstreams > 1 && j < nb_varstreams - 1; j++) {
2117 ✗ for (i = 0; i < hls->var_streams[j].nb_streams; i++) {
2118 ✗ if (hls->var_streams[j].streams[i] == s->streams[stream_index]) {
2119 ✗ av_log(s, AV_LOG_ERROR, "Same elementary stream found more than once "
2120 "in two different variant definitions #%d and #%d\n",
2121 j, nb_varstreams - 1);
2122 ✗ return AVERROR(EINVAL);
2123 }
2124 }
2125 }
2126 ✗ vs->streams[nb_streams++] = s->streams[stream_index];
2127 } else {
2128 ✗ av_log(s, AV_LOG_ERROR, "Unable to map stream at %s\n", keyval);
2129 ✗ return AVERROR(EINVAL);
2130 }
2131 }
2132 }
2133 ✗ av_log(s, AV_LOG_DEBUG, "Number of variant streams %d\n",
2134 hls->nb_varstreams);
2135
2136 ✗ return 0;
2137 }
2138
2139 ✗ static int parse_cc_stream_mapstring(AVFormatContext *s)
2140 {
2141 ✗ HLSContext *hls = s->priv_data;
2142 ✗ int nb_ccstreams = 0;
2143 char *p, *q, *ccstr, *keyval;
2144 ✗ char *saveptr1 = NULL, *saveptr2 = NULL;
2145 const char *val;
2146 ClosedCaptionsStream *ccs;
2147
2148 ✗ p = av_strdup(hls->cc_stream_map);
2149 ✗ if(!p)
2150 ✗ return AVERROR(ENOMEM);
2151
2152 ✗ q = p;
2153 ✗ while (av_strtok(q, " \t", &saveptr1)) {
2154 ✗ q = NULL;
2155 ✗ nb_ccstreams++;
2156 }
2157 ✗ av_freep(&p);
2158
2159 ✗ hls->cc_streams = av_mallocz(sizeof(*hls->cc_streams) * nb_ccstreams);
2160 ✗ if (!hls->cc_streams)
2161 ✗ return AVERROR(ENOMEM);
2162 ✗ hls->nb_ccstreams = nb_ccstreams;
2163
2164 ✗ p = hls->cc_stream_map;
2165 ✗ nb_ccstreams = 0;
2166 ✗ while (ccstr = av_strtok(p, " \t", &saveptr1)) {
2167 ✗ p = NULL;
2168
2169 ✗ if (nb_ccstreams < hls->nb_ccstreams)
2170 ✗ ccs = &(hls->cc_streams[nb_ccstreams++]);
2171 else
2172 ✗ return AVERROR(EINVAL);
2173
2174 ✗ while (keyval = av_strtok(ccstr, ",", &saveptr2)) {
2175 ✗ ccstr = NULL;
2176
2177 ✗ if (av_strstart(keyval, "ccgroup:", &val)) {
2178 ✗ ccs->ccgroup = val;
2179 ✗ } else if (av_strstart(keyval, "instreamid:", &val)) {
2180 ✗ ccs->instreamid = val;
2181 ✗ } else if (av_strstart(keyval, "language:", &val)) {
2182 ✗ ccs->language = val;
2183 } else {
2184 ✗ av_log(s, AV_LOG_ERROR, "Invalid keyval %s\n", keyval);
2185 ✗ return AVERROR(EINVAL);
2186 }
2187 }
2188
2189 ✗ if (!ccs->ccgroup || !ccs->instreamid) {
2190 ✗ av_log(s, AV_LOG_ERROR, "Insufficient parameters in cc stream map string\n");
2191 ✗ return AVERROR(EINVAL);
2192 }
2193
2194 ✗ if (av_strstart(ccs->instreamid, "CC", &val)) {
2195 ✗ if (atoi(val) < 1 || atoi(val) > 4) {
2196 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID CC index %d in %s, range 1-4\n",
2197 atoi(val), ccs->instreamid);
2198 ✗ return AVERROR(EINVAL);
2199 }
2200 ✗ } else if (av_strstart(ccs->instreamid, "SERVICE", &val)) {
2201 ✗ if (atoi(val) < 1 || atoi(val) > 63) {
2202 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID SERVICE index %d in %s, range 1-63 \n",
2203 atoi(val), ccs->instreamid);
2204 ✗ return AVERROR(EINVAL);
2205 }
2206 } else {
2207 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID %s, supported are CCn or SERVICEn\n",
2208 ccs->instreamid);
2209 ✗ return AVERROR(EINVAL);
2210 }
2211 }
2212
2213 ✗ return 0;
2214 }
2215
2216 18 static int update_variant_stream_info(AVFormatContext *s)
2217 {
2218 18 HLSContext *hls = s->priv_data;
2219 unsigned int i;
2220 18 int ret = 0;
2221
2222
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 18 if (hls->cc_stream_map) {
2223 ✗ ret = parse_cc_stream_mapstring(s);
2224 ✗ if (ret < 0)
2225 ✗ return ret;
2226 }
2227
2228
1/2
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 18 if (hls->var_stream_map) {
2229 ✗ return parse_variant_stream_mapstring(s);
2230 } else {
2231 //By default, a single variant stream with all the codec streams is created
2232 18 hls->var_streams = av_mallocz(sizeof(*hls->var_streams));
2233
1/2
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 18 if (!hls->var_streams)
2234 ✗ return AVERROR(ENOMEM);
2235 18 hls->nb_varstreams = 1;
2236
2237 18 hls->var_streams[0].var_stream_idx = 0;
2238 18 hls->var_streams[0].nb_streams = s->nb_streams;
2239 36 hls->var_streams[0].streams = av_mallocz(sizeof(AVStream *) *
2240 18 hls->var_streams[0].nb_streams);
2241
1/2
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 18 if (!hls->var_streams[0].streams)
2242 ✗ return AVERROR(ENOMEM);
2243
2244 //by default, the first available ccgroup is mapped to the variant stream
2245
1/2
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 18 if (hls->nb_ccstreams)
2246 ✗ hls->var_streams[0].ccgroup = hls->cc_streams[0].ccgroup;
2247
2248
2/2
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 36 for (i = 0; i < s->nb_streams; i++)
2249 18 hls->var_streams[0].streams[i] = s->streams[i];
2250 }
2251 18 return 0;
2252 }
2253
2254 ✗ static int update_master_pl_info(AVFormatContext *s)
2255 {
2256 ✗ HLSContext *hls = s->priv_data;
2257 const char *dir;
2258 ✗ char *fn1= NULL, *fn2 = NULL;
2259 ✗ int ret = 0;
2260
2261 ✗ fn1 = av_strdup(s->url);
2262 ✗ if (!fn1)
2263 ✗ return AVERROR(ENOMEM);
2264 ✗ dir = av_dirname(fn1);
2265
2266 /**
2267 * if output file's directory has %v, variants are created in sub-directories
2268 * then master is created at the sub-directories level
2269 */
2270 ✗ if (dir && av_stristr(av_basename(dir), "%v")) {
2271 ✗ fn2 = av_strdup(dir);
2272 ✗ if (!fn2) {
2273 ✗ ret = AVERROR(ENOMEM);
2274 ✗ goto fail;
2275 }
2276 ✗ dir = av_dirname(fn2);
2277 }
2278
2279 ✗ if (dir && strcmp(dir, "."))
2280 ✗ hls->master_m3u8_url = av_append_path_component(dir, hls->master_pl_name);
2281 else
2282 ✗ hls->master_m3u8_url = av_strdup(hls->master_pl_name);
2283
2284 ✗ if (!hls->master_m3u8_url) {
2285 ✗ ret = AVERROR(ENOMEM);
2286 ✗ goto fail;
2287 }
2288
2289 ✗ fail:
2290 ✗ av_freep(&fn1);
2291 ✗ av_freep(&fn2);
2292
2293 ✗ return ret;
2294 }
2295
2296 18 static int hls_write_header(AVFormatContext *s)
2297 {
2298 18 HLSContext *hls = s->priv_data;
2299 int ret, i, j;
2300 18 VariantStream *vs = NULL;
2301
2302
2/2
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 36 for (i = 0; i < hls->nb_varstreams; i++) {
2303 18 int subtitle_streams = 0;
2304 18 vs = &hls->var_streams[i];
2305
2306 18 ret = avformat_write_header(vs->avf, NULL);
2307
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 18 if (ret < 0)
2308 ✗ return ret;
2309 //av_assert0(s->nb_streams == hls->avf->nb_streams);
2310
2/2
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 36 for (j = 0; j < vs->nb_streams; j++) {
2311 AVStream *inner_st;
2312 18 AVStream *outer_st = vs->streams[j];
2313
2314
2/2
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 18 if (hls->max_seg_size > 0) {
2315
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 1 if ((outer_st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) &&
2316 ✗ (outer_st->codecpar->bit_rate > hls->max_seg_size)) {
2317 ✗ av_log(s, AV_LOG_WARNING, "Your video bitrate is bigger than hls_segment_size, "
2318 "(%"PRId64 " > %"PRId64 "), the result maybe not be what you want.",
2319 ✗ outer_st->codecpar->bit_rate, hls->max_seg_size);
2320 }
2321 }
2322
2323
1/2
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✗ Branch 1 not taken.
 18 if (outer_st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE)
2324 18 inner_st = vs->avf->streams[j - subtitle_streams];
2325 ✗ else if (vs->vtt_avf) {
2326 ✗ inner_st = vs->vtt_avf->streams[0];
2327 ✗ subtitle_streams++;
2328 } else {
2329 /* We have a subtitle stream, when the user does not want one */
2330 ✗ inner_st = NULL;
2331 ✗ continue;
2332 }
2333 18 avpriv_set_pts_info(outer_st, inner_st->pts_wrap_bits, inner_st->time_base.num, inner_st->time_base.den);
2334
1/2
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✓ Branch 1 taken 18 times.
 18 if (outer_st->codecpar->codec_id == AV_CODEC_ID_HEVC &&
2335 ✗ outer_st->codecpar->codec_tag != MKTAG('h','v','c','1')) {
2336 ✗ av_log(s, AV_LOG_WARNING, "Stream HEVC is not hvc1, you should use tag:v hvc1 to set it.\n");
2337 }
2338 18 write_codec_attr(outer_st, vs);
2339
2340 }
2341 /* Update the Codec Attr string for the mapped audio groups */
2342
3/4
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✗ Branch 2 not taken.
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 18 if (vs->has_video && vs->agroup) {
2343 ✗ for (j = 0; j < hls->nb_varstreams; j++) {
2344 ✗ VariantStream *vs_agroup = &(hls->var_streams[j]);
2345 ✗ if (!vs_agroup->has_video && !vs_agroup->has_subtitle &&
2346 ✗ vs_agroup->agroup &&
2347 ✗ !av_strcasecmp(vs_agroup->agroup, vs->agroup)) {
2348 ✗ write_codec_attr(vs_agroup->streams[0], vs);
2349 }
2350 }
2351 }
2352 }
2353
2354 18 return 0;
2355 }
2356
2357 ✗ static int hls_init_file_resend(AVFormatContext *s, VariantStream *vs)
2358 {
2359 ✗ HLSContext *hls = s->priv_data;
2360 ✗ AVDictionary *options = NULL;
2361 ✗ int ret = 0;
2362
2363 ✗ set_http_options(s, &options, hls);
2364 ✗ ret = hlsenc_io_open(s, &vs->out, vs->base_output_dirname, &options);
2365 ✗ av_dict_free(&options);
2366 ✗ if (ret < 0)
2367 ✗ return ret;
2368 ✗ avio_write(vs->out, vs->init_buffer, vs->init_range_length);
2369 ✗ hlsenc_io_close(s, &vs->out, hls->fmp4_init_filename);
2370
2371 ✗ return ret;
2372 }
2373
2374 ✗ static int64_t append_single_file(AVFormatContext *s, VariantStream *vs)
2375 {
2376 ✗ int64_t ret = 0;
2377 ✗ int64_t read_byte = 0;
2378 ✗ int64_t total_size = 0;
2379 ✗ char *filename = NULL;
2380 char buf[BUFSIZE];
2381 ✗ AVFormatContext *oc = vs->avf;
2382
2383 ✗ hlsenc_io_close(s, &vs->out, vs->basename_tmp);
2384 ✗ filename = av_asprintf("%s.tmp", oc->url);
2385 ✗ ret = s->io_open(s, &vs->out, filename, AVIO_FLAG_READ, NULL);
2386 ✗ if (ret < 0) {
2387 ✗ av_free(filename);
2388 ✗ return ret;
2389 }
2390
2391 do {
2392 ✗ read_byte = avio_read(vs->out, buf, BUFSIZE);
2393 ✗ if (read_byte > 0) {
2394 ✗ avio_write(vs->out_single_file, buf, read_byte);
2395 ✗ total_size += read_byte;
2396 ✗ ret = total_size;
2397 }
2398 ✗ } while (read_byte > 0);
2399
2400 ✗ hlsenc_io_close(s, &vs->out, filename);
2401 ✗ av_free(filename);
2402
2403 ✗ return ret;
2404 }
2405 7084 static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
2406 {
2407 7084 HLSContext *hls = s->priv_data;
2408 7084 AVFormatContext *oc = NULL;
2409 7084 AVStream *st = s->streams[pkt->stream_index];
2410 7084 int64_t end_pts = 0;
2411 7084 int is_ref_pkt = 1;
2412 7084 int ret = 0, can_split = 1, i, j;
2413 7084 int stream_index = 0;
2414 7084 int range_length = 0;
2415 7084 const char *proto = NULL;
2416 7084 int use_temp_file = 0;
2417 7084 VariantStream *vs = NULL;
2418 7084 char *old_filename = NULL;
2419
2420
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 7084 for (i = 0; i < hls->nb_varstreams; i++) {
2421 7084 int subtitle_streams = 0;
2422 7084 vs = &hls->var_streams[i];
2423
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 7084 for (j = 0; j < vs->nb_streams; j++) {
2424
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 7084 if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2425 ✗ subtitle_streams++;
2426 }
2427
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 7084 if (vs->streams[j] == st) {
2428
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 7084 if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2429 ✗ oc = vs->vtt_avf;
2430 ✗ stream_index = 0;
2431 } else {
2432 7084 oc = vs->avf;
2433 7084 stream_index = j - subtitle_streams;
2434 }
2435 7084 break;
2436 }
2437 }
2438
2439
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 7084 if (oc)
2440 7084 break;
2441 }
2442
2443
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 7084 if (!oc) {
2444 ✗ av_log(s, AV_LOG_ERROR, "Unable to find mapping variant stream\n");
2445 ✗ return AVERROR(ENOMEM);
2446 }
2447
2448 7084 end_pts = hls->recording_time * vs->number;
2449
2450
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 7084 if (vs->sequence - vs->nb_entries > hls->start_sequence && hls->init_time > 0) {
2451 /* reset end_pts, hls->recording_time at end of the init hls list */
2452 191 int64_t init_list_dur = hls->init_time * vs->nb_entries;
2453 191 int64_t after_init_list_dur = (vs->sequence - hls->start_sequence - vs->nb_entries) * hls->time;
2454 191 hls->recording_time = hls->time;
2455 191 end_pts = init_list_dur + after_init_list_dur ;
2456 }
2457
2458
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 7084 if (vs->start_pts == AV_NOPTS_VALUE) {
2459 18 vs->start_pts = pkt->pts;
2460
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 18 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2461 12 vs->start_pts_from_audio = 1;
2462 }
2463
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 7084 if (vs->start_pts_from_audio && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && vs->start_pts > pkt->pts) {
2464 ✗ vs->start_pts = pkt->pts;
2465 ✗ vs->start_pts_from_audio = 0;
2466 }
2467
2468
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 7084 if (vs->has_video) {
2469
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 36 can_split = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2470
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 18 ((pkt->flags & AV_PKT_FLAG_KEY) || (hls->flags & HLS_SPLIT_BY_TIME));
2471
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 18 is_ref_pkt = (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && (pkt->stream_index == vs->reference_stream_index);
2472 }
2473
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 7084 if (pkt->pts == AV_NOPTS_VALUE)
2474 ✗ is_ref_pkt = can_split = 0;
2475
2476
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 7084 if (is_ref_pkt) {
2477
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 7084 if (vs->end_pts == AV_NOPTS_VALUE)
2478 18 vs->end_pts = pkt->pts;
2479
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 7084 if (vs->new_start) {
2480 18 vs->new_start = 0;
2481 18 vs->duration = (double)(pkt->pts - vs->end_pts)
2482 18 * st->time_base.num / st->time_base.den;
2483 18 vs->dpp = (double)(pkt->duration) * st->time_base.num / st->time_base.den;
2484 } else {
2485
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 7066 if (pkt->duration) {
2486 7066 vs->duration += (double)(pkt->duration) * st->time_base.num / st->time_base.den;
2487 } else {
2488 ✗ av_log(s, AV_LOG_WARNING, "Stream %d packet with pts %" PRId64 " has duration 0. The segment duration may not be precise.\n",
2489 pkt->stream_index, pkt->pts);
2490 ✗ vs->duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den;
2491 }
2492 }
2493 }
2494
2495
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 7084 can_split = can_split && (pkt->pts - vs->end_pts > 0);
2496
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 14150 if (vs->packets_written && can_split && av_compare_ts(pkt->pts - vs->start_pts, st->time_base,
2497 7066 end_pts, AV_TIME_BASE_Q) >= 0) {
2498 int64_t new_start_pos;
2499
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 74 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
2500 double cur_duration;
2501
2502 74 av_write_frame(oc, NULL); /* Flush any buffered data */
2503 74 new_start_pos = avio_tell(oc->pb);
2504 74 vs->size = new_start_pos - vs->start_pos;
2505 74 avio_flush(oc->pb);
2506
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 74 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2507
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 4 if (!vs->init_range_length) {
2508 1 range_length = avio_close_dyn_buf(oc->pb, &vs->init_buffer);
2509
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 1 if (range_length <= 0)
2510 ✗ return AVERROR(EINVAL);
2511 1 avio_write(vs->out, vs->init_buffer, range_length);
2512
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 1 if (!hls->resend_init_file)
2513 1 av_freep(&vs->init_buffer);
2514 1 vs->init_range_length = range_length;
2515 1 avio_open_dyn_buf(&oc->pb);
2516 1 vs->packets_written = 0;
2517 1 vs->start_pos = range_length;
2518
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 1 if (!byterange_mode) {
2519 1 hlsenc_io_close(s, &vs->out, vs->base_output_dirname);
2520 }
2521 }
2522 }
2523
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 74 if (!byterange_mode) {
2524
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 56 if (vs->vtt_avf) {
2525 ✗ hlsenc_io_close(s, &vs->vtt_avf->pb, vs->vtt_avf->url);
2526 }
2527 }
2528
2529
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 74 if (hls->flags & HLS_SINGLE_FILE) {
2530 9 ret = flush_dynbuf(vs, &range_length);
2531 9 av_freep(&vs->temp_buffer);
2532
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 9 if (ret < 0) {
2533 ✗ return ret;
2534 }
2535 9 vs->size = range_length;
2536
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 9 if (hls->key_info_file || hls->encrypt)
2537 ✗ vs->size = append_single_file(s, vs);
2538 } else {
2539
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 65 if (oc->url[0]) {
2540 65 proto = avio_find_protocol_name(oc->url);
2541
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 130 use_temp_file = proto && !strcmp(proto, "file")
2542
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 130 && (hls->flags & HLS_TEMP_FILE);
2543 }
2544
2545
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 65 if ((hls->max_seg_size > 0 && (vs->size + vs->start_pos >= hls->max_seg_size)) || !byterange_mode) {
2546 59 AVDictionary *options = NULL;
2547 59 char *filename = NULL;
2548
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 59 if (hls->key_info_file || hls->encrypt) {
2549 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
2550 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
2551 ✗ filename = av_asprintf("crypto:%s", oc->url);
2552 } else {
2553 59 filename = av_asprintf("%s", oc->url);
2554 }
2555
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 59 if (!filename) {
2556 ✗ av_dict_free(&options);
2557 ✗ return AVERROR(ENOMEM);
2558 }
2559
2560 // look to rename the asset name
2561
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 59 if (use_temp_file)
2562 ✗ av_dict_set(&options, "mpegts_flags", "resend_headers", 0);
2563
2564 59 set_http_options(s, &options, hls);
2565
2566 59 ret = hlsenc_io_open(s, &vs->out, filename, &options);
2567
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 59 if (ret < 0) {
2568 ✗ av_log(s, hls->ignore_io_errors ? AV_LOG_WARNING : AV_LOG_ERROR,
2569 "Failed to open file '%s'\n", filename);
2570 ✗ av_freep(&filename);
2571 ✗ av_dict_free(&options);
2572 ✗ return hls->ignore_io_errors ? 0 : ret;
2573 }
2574
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 59 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2575 4 write_styp(vs->out);
2576 }
2577 59 ret = flush_dynbuf(vs, &range_length);
2578
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 59 if (ret < 0) {
2579 ✗ av_freep(&filename);
2580 ✗ av_dict_free(&options);
2581 ✗ return ret;
2582 }
2583 59 vs->size = range_length;
2584 59 ret = hlsenc_io_close(s, &vs->out, filename);
2585
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 59 if (ret < 0) {
2586 ✗ av_log(s, AV_LOG_WARNING, "upload segment failed,"
2587 " will retry with a new http session.\n");
2588 ✗ ff_format_io_close(s, &vs->out);
2589 ✗ ret = hlsenc_io_open(s, &vs->out, filename, &options);
2590 ✗ if (ret >= 0) {
2591 ✗ reflush_dynbuf(vs, &range_length);
2592 ✗ ret = hlsenc_io_close(s, &vs->out, filename);
2593 }
2594 }
2595 59 av_dict_free(&options);
2596 59 av_freep(&vs->temp_buffer);
2597 59 av_freep(&filename);
2598 }
2599
2600
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 65 if (use_temp_file)
2601 ✗ hls_rename_temp_file(s, oc);
2602 }
2603
2604
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 74 if (ret < 0)
2605 ✗ return ret;
2606
2607 74 old_filename = av_strdup(oc->url);
2608
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 74 if (!old_filename) {
2609 ✗ return AVERROR(ENOMEM);
2610 }
2611
2612 74 cur_duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den;
2613 74 ret = hls_append_segment(s, hls, vs, cur_duration, vs->start_pos, vs->size);
2614 74 vs->end_pts = pkt->pts;
2615 74 vs->duration = 0;
2616
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 74 if (ret < 0) {
2617 ✗ av_freep(&old_filename);
2618 ✗ return ret;
2619 }
2620
2621 // if we're building a VOD playlist, skip writing the manifest multiple times, and just wait until the end
2622
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 74 if (hls->pl_type != PLAYLIST_TYPE_VOD) {
2623
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 72 if ((ret = hls_window(s, 0, vs)) < 0) {
2624 ✗ av_log(s, AV_LOG_WARNING, "upload playlist failed, will retry with a new http session.\n");
2625 ✗ ff_format_io_close(s, &vs->out);
2626 ✗ if ((ret = hls_window(s, 0, vs)) < 0) {
2627 ✗ av_freep(&old_filename);
2628 ✗ return ret;
2629 }
2630 }
2631 }
2632
2633
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 74 if (hls->resend_init_file && hls->segment_type == SEGMENT_TYPE_FMP4) {
2634 ✗ ret = hls_init_file_resend(s, vs);
2635 ✗ if (ret < 0) {
2636 ✗ av_freep(&old_filename);
2637 ✗ return ret;
2638 }
2639 }
2640
2641
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 74 if (hls->flags & HLS_SINGLE_FILE) {
2642 9 vs->start_pos += vs->size;
2643
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 9 if (hls->key_info_file || hls->encrypt)
2644 ✗ ret = hls_start(s, vs);
2645
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 9 if (hls->segment_type == SEGMENT_TYPE_MPEGTS && oc->oformat->priv_class && oc->priv_data) {
2646 9 av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
2647 }
2648
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 65 } else if (hls->max_seg_size > 0) {
2649
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 9 if (vs->size + vs->start_pos >= hls->max_seg_size) {
2650 3 vs->sequence++;
2651 3 sls_flag_file_rename(hls, vs, old_filename);
2652 3 ret = hls_start(s, vs);
2653 3 vs->start_pos = 0;
2654 /* When split segment by byte, the duration is short than hls_time,
2655 * so it is not enough one segment duration as hls_time, */
2656 } else {
2657 6 vs->start_pos = new_start_pos;
2658 }
2659 } else {
2660 56 vs->start_pos = 0;
2661 56 sls_flag_file_rename(hls, vs, old_filename);
2662 56 ret = hls_start(s, vs);
2663 }
2664 74 vs->number++;
2665 74 av_freep(&old_filename);
2666
2667
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 74 if (ret < 0) {
2668 ✗ return ret;
2669 }
2670 }
2671
2672 7084 vs->packets_written++;
2673
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 7084 if (oc->pb) {
2674 7084 ret = ff_write_chained(oc, stream_index, pkt, s, 0);
2675 7084 vs->video_keyframe_size += pkt->size;
2676
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 7084 if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && (pkt->flags & AV_PKT_FLAG_KEY)) {
2677 18 vs->video_keyframe_size = avio_tell(oc->pb);
2678 } else {
2679 7066 vs->video_keyframe_pos = avio_tell(vs->out);
2680 }
2681
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 7084 if (hls->ignore_io_errors)
2682 ✗ ret = 0;
2683 }
2684
2685 7084 return ret;
2686 }
2687
2688 18 static void hls_deinit(AVFormatContext *s)
2689 {
2690 18 HLSContext *hls = s->priv_data;
2691 18 int i = 0;
2692 18 VariantStream *vs = NULL;
2693
2694
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 36 for (i = 0; i < hls->nb_varstreams; i++) {
2695 18 vs = &hls->var_streams[i];
2696
2697 18 av_freep(&vs->basename);
2698 18 av_freep(&vs->base_output_dirname);
2699 18 av_freep(&vs->fmp4_init_filename);
2700 18 av_freep(&vs->vtt_basename);
2701 18 av_freep(&vs->vtt_m3u8_name);
2702
2703 18 avformat_free_context(vs->vtt_avf);
2704 18 avformat_free_context(vs->avf);
2705
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 18 if (hls->resend_init_file)
2706 ✗ av_freep(&vs->init_buffer);
2707 18 hls_free_segments(vs->segments);
2708 18 hls_free_segments(vs->old_segments);
2709 18 av_freep(&vs->m3u8_name);
2710 18 av_freep(&vs->streams);
2711 }
2712
2713 18 ff_format_io_close(s, &hls->m3u8_out);
2714 18 ff_format_io_close(s, &hls->sub_m3u8_out);
2715 18 ff_format_io_close(s, &hls->http_delete);
2716 18 av_freep(&hls->key_basename);
2717 18 av_freep(&hls->var_streams);
2718 18 av_freep(&hls->cc_streams);
2719 18 av_freep(&hls->master_m3u8_url);
2720 18 }
2721
2722 18 static int hls_write_trailer(struct AVFormatContext *s)
2723 {
2724 18 HLSContext *hls = s->priv_data;
2725 18 AVFormatContext *oc = NULL;
2726 18 AVFormatContext *vtt_oc = NULL;
2727 18 char *old_filename = NULL;
2728 18 const char *proto = NULL;
2729 18 int use_temp_file = 0;
2730 int i;
2731 18 int ret = 0;
2732 18 VariantStream *vs = NULL;
2733 18 AVDictionary *options = NULL;
2734 int range_length, byterange_mode;
2735
2736
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 36 for (i = 0; i < hls->nb_varstreams; i++) {
2737 18 char *filename = NULL;
2738 18 vs = &hls->var_streams[i];
2739 18 oc = vs->avf;
2740 18 vtt_oc = vs->vtt_avf;
2741 18 old_filename = av_strdup(oc->url);
2742 18 use_temp_file = 0;
2743
2744
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 18 if (!old_filename) {
2745 ✗ return AVERROR(ENOMEM);
2746 }
2747
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 18 if (hls->key_info_file || hls->encrypt) {
2748 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
2749 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
2750 ✗ filename = av_asprintf("crypto:%s", oc->url);
2751 } else {
2752 18 filename = av_asprintf("%s", oc->url);
2753 }
2754
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 18 if (!filename) {
2755 ✗ av_dict_free(&options);
2756 ✗ av_freep(&old_filename);
2757 ✗ return AVERROR(ENOMEM);
2758 }
2759
2760
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2761
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 2 if (!vs->init_range_length) {
2762 1 uint8_t *buffer = NULL;
2763 1 av_write_frame(oc, NULL); /* Flush any buffered data */
2764
2765 1 int init_range_length = avio_close_dyn_buf(oc->pb, &buffer);
2766 1 avio_write(vs->out, buffer, init_range_length);
2767 1 av_freep(&buffer);
2768 1 vs->init_range_length = init_range_length;
2769 1 avio_open_dyn_buf(&oc->pb);
2770 1 vs->packets_written = 0;
2771 1 vs->start_pos = init_range_length;
2772
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 1 byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
2773
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 1 if (!byterange_mode) {
2774 1 ff_format_io_close(s, &vs->out);
2775 1 hlsenc_io_close(s, &vs->out, vs->base_output_dirname);
2776 }
2777 }
2778 }
2779
2/2
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 18 if (!(hls->flags & HLS_SINGLE_FILE)) {
2780 17 set_http_options(s, &options, hls);
2781 17 ret = hlsenc_io_open(s, &vs->out, filename, &options);
2782
1/2
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 17 if (ret < 0) {
2783 ✗ av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n", oc->url);
2784 ✗ goto failed;
2785 }
2786
2/2
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✓ Branch 1 taken 15 times.
 17 if (hls->segment_type == SEGMENT_TYPE_FMP4)
2787 2 write_styp(vs->out);
2788 }
2789 18 ret = flush_dynbuf(vs, &range_length);
2790
1/2
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✓ Branch 1 taken 18 times.
 18 if (ret < 0)
2791 ✗ goto failed;
2792
2793 18 vs->size = range_length;
2794 18 ret = hlsenc_io_close(s, &vs->out, filename);
2795
1/2
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 18 if (ret < 0) {
2796 ✗ av_log(s, AV_LOG_WARNING, "upload segment failed, will retry with a new http session.\n");
2797 ✗ ff_format_io_close(s, &vs->out);
2798 ✗ ret = hlsenc_io_open(s, &vs->out, filename, &options);
2799 ✗ if (ret < 0) {
2800 ✗ av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n", oc->url);
2801 ✗ goto failed;
2802 }
2803 ✗ reflush_dynbuf(vs, &range_length);
2804 ✗ ret = hlsenc_io_close(s, &vs->out, filename);
2805 ✗ if (ret < 0)
2806 ✗ av_log(s, AV_LOG_WARNING, "Failed to upload file '%s' at the end.\n", oc->url);
2807 }
2808
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 18 if (hls->flags & HLS_SINGLE_FILE) {
2809
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 1 if (hls->key_info_file || hls->encrypt) {
2810 ✗ vs->size = append_single_file(s, vs);
2811 }
2812 1 hlsenc_io_close(s, &vs->out_single_file, vs->basename);
2813 }
2814 17 failed:
2815 18 av_freep(&vs->temp_buffer);
2816 18 av_dict_free(&options);
2817 18 av_freep(&filename);
2818 18 av_write_trailer(oc);
2819
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 18 if (oc->url[0]) {
2820 18 proto = avio_find_protocol_name(oc->url);
2821
3/6
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✓ Branch 5 taken 18 times.
 18 use_temp_file = proto && !strcmp(proto, "file") && (hls->flags & HLS_TEMP_FILE);
2822 }
2823
2824 // rename that segment from .tmp to the real one
2825
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 18 if (use_temp_file && !(hls->flags & HLS_SINGLE_FILE)) {
2826 ✗ hls_rename_temp_file(s, oc);
2827 ✗ av_freep(&old_filename);
2828 ✗ old_filename = av_strdup(oc->url);
2829
2830 ✗ if (!old_filename) {
2831 ✗ return AVERROR(ENOMEM);
2832 }
2833 }
2834
2835 /* after av_write_trailer, then duration + 1 duration per packet */
2836 18 hls_append_segment(s, hls, vs, vs->duration + vs->dpp, vs->start_pos, vs->size);
2837
2838 18 sls_flag_file_rename(hls, vs, old_filename);
2839
2840
1/2
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✓ Branch 1 taken 18 times.
 18 if (vtt_oc) {
2841 ✗ if (vtt_oc->pb)
2842 ✗ av_write_trailer(vtt_oc);
2843 ✗ vs->size = avio_tell(vs->vtt_avf->pb) - vs->start_pos;
2844 ✗ ff_format_io_close(s, &vtt_oc->pb);
2845 }
2846 18 ret = hls_window(s, 1, vs);
2847
1/2
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 18 if (ret < 0) {
2848 ✗ av_log(s, AV_LOG_WARNING, "upload playlist failed, will retry with a new http session.\n");
2849 ✗ ff_format_io_close(s, &vs->out);
2850 ✗ hls_window(s, 1, vs);
2851 }
2852 18 ffio_free_dyn_buf(&oc->pb);
2853
2854 18 av_free(old_filename);
2855 }
2856
2857 18 return 0;
2858 }
2859
2860
2861 18 static int hls_init(AVFormatContext *s)
2862 {
2863 18 int ret = 0;
2864 18 int i = 0;
2865 18 int j = 0;
2866 18 HLSContext *hls = s->priv_data;
2867 const char *pattern;
2868 18 VariantStream *vs = NULL;
2869
2/2
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 18 const char *vtt_pattern = hls->flags & HLS_SINGLE_FILE ? ".vtt" : "%d.vtt";
2870 18 int http_base_proto = ff_is_http_proto(s->url);
2871 18 int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1;
2872 18 double initial_program_date_time = av_gettime() / 1000000.0;
2873
2874
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 18 if (hls->use_localtime) {
2875 ✗ pattern = get_default_pattern_localtime_fmt(s);
2876 } else {
2877
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 18 pattern = hls->segment_type == SEGMENT_TYPE_FMP4 ? "%d.m4s" : "%d.ts";
2878
2/2
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 18 if (hls->flags & HLS_SINGLE_FILE)
2879 1 pattern += 2;
2880 }
2881
2882 18 hls->has_default_key = 0;
2883 18 hls->has_video_m3u8 = 0;
2884 18 ret = update_variant_stream_info(s);
2885
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 18 if (ret < 0) {
2886 ✗ av_log(s, AV_LOG_ERROR, "Variant stream info update failed with status %x\n",
2887 ret);
2888 ✗ return ret;
2889 }
2890
2891
2/4
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 18 if (!hls->method && http_base_proto) {
2892 ✗ av_log(hls, AV_LOG_WARNING, "No HTTP method set, hls muxer defaulting to method PUT.\n");
2893 }
2894
2895 18 ret = validate_name(hls->nb_varstreams, s->url);
2896
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 18 if (ret < 0)
2897 ✗ return ret;
2898
2899
1/2
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 18 if (hls->segment_filename) {
2900 18 ret = validate_name(hls->nb_varstreams, hls->segment_filename);
2901
1/2
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 18 if (ret < 0)
2902 ✗ return ret;
2903 }
2904
2905
2/2
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 18 if (av_strcasecmp(hls->fmp4_init_filename, "init.mp4")) {
2906 3 ret = validate_name(hls->nb_varstreams, hls->fmp4_init_filename);
2907
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 3 if (ret < 0)
2908 ✗ return ret;
2909 }
2910
2911
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 18 if (hls->subtitle_filename) {
2912 ✗ ret = validate_name(hls->nb_varstreams, hls->subtitle_filename);
2913 ✗ if (ret < 0)
2914 ✗ return ret;
2915 }
2916
2917
1/2
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 18 if (hls->master_pl_name) {
2918 ✗ ret = update_master_pl_info(s);
2919 ✗ if (ret < 0) {
2920 ✗ av_log(s, AV_LOG_ERROR, "Master stream info update failed with status %x\n",
2921 ret);
2922 ✗ return ret;
2923 }
2924 }
2925
2926
1/2
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 18 if ((hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) ||
2927
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 18 (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH) ||
2928
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 18 (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME)) {
2929 ✗ time_t t = time(NULL);
2930 ✗ if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH) {
2931 ✗ hls->start_sequence = av_gettime();
2932 ✗ } else if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) {
2933 ✗ hls->start_sequence = (int64_t)t;
2934 ✗ } else if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME) {
2935 char b[15];
2936 struct tm *p, tmbuf;
2937 ✗ if (!(p = localtime_r(&t, &tmbuf)))
2938 ✗ return AVERROR(errno);
2939 ✗ if (!strftime(b, sizeof(b), "%Y%m%d%H%M%S", p))
2940 ✗ return AVERROR(ENOMEM);
2941 ✗ hls->start_sequence = strtoll(b, NULL, 10);
2942 }
2943 ✗ av_log(hls, AV_LOG_DEBUG, "start_number evaluated to %"PRId64"\n", hls->start_sequence);
2944 }
2945
2946
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 18 hls->recording_time = hls->init_time && hls->max_nb_segments > 0 ? hls->init_time : hls->time;
2947
2948
1/4
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 18 if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) {
2949 // Independent segments cannot be guaranteed when splitting by time
2950 ✗ hls->flags &= ~HLS_INDEPENDENT_SEGMENTS;
2951 ✗ av_log(s, AV_LOG_WARNING,
2952 "'split_by_time' and 'independent_segments' cannot be "
2953 "enabled together. Disabling 'independent_segments' flag\n");
2954 }
2955
2956
2/2
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 36 for (i = 0; i < hls->nb_varstreams; i++) {
2957 18 vs = &hls->var_streams[i];
2958
2959 18 ret = format_name(s->url, &vs->m3u8_name, i, vs->varname);
2960
1/2
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 18 if (ret < 0)
2961 ✗ return ret;
2962
2963 18 vs->sequence = hls->start_sequence;
2964 18 vs->start_pts = AV_NOPTS_VALUE;
2965 18 vs->end_pts = AV_NOPTS_VALUE;
2966 18 vs->current_segment_final_filename_fmt[0] = '\0';
2967 18 vs->initial_prog_date_time = initial_program_date_time;
2968
2969
2/2
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 36 for (j = 0; j < vs->nb_streams; j++) {
2970 18 vs->has_video += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO;
2971 /* Get one video stream to reference for split segments
2972 * so use the first video stream index. */
2973
3/4
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✗ Branch 3 not taken.
 18 if ((vs->has_video == 1) && (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) {
2974 6 vs->reference_stream_index = vs->streams[j]->index;
2975 }
2976 18 vs->has_subtitle += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE;
2977 }
2978
2979
1/2
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 18 if (vs->has_video > 1)
2980 ✗ av_log(s, AV_LOG_WARNING, "More than a single video stream present, expect issues decoding it.\n");
2981
2/2
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2982 #if CONFIG_MP4_MUXER
2983 EXTERN const FFOutputFormat ff_mp4_muxer;
2984 2 vs->oformat = &ff_mp4_muxer.p;
2985 #else
2986 return AVERROR_MUXER_NOT_FOUND;
2987 #endif
2988 } else {
2989 EXTERN const FFOutputFormat ff_mpegts_muxer;
2990 16 vs->oformat = &ff_mpegts_muxer.p;
2991 }
2992
2993
1/2
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 18 if (hls->segment_filename) {
2994 18 ret = format_name(hls->segment_filename, &vs->basename, i, vs->varname);
2995
1/2
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✓ Branch 1 taken 18 times.
 18 if (ret < 0)
2996 ✗ return ret;
2997 } else {
2998 ✗ char *p = strrchr(vs->m3u8_name, '.');
2999 ✗ if (p)
3000 ✗ *p = '\0';
3001
3002 ✗ vs->basename = av_asprintf("%s%s", vs->m3u8_name, pattern);
3003 ✗ if (!vs->basename)
3004 ✗ return AVERROR(ENOMEM);
3005
3006 ✗ if (p)
3007 ✗ *p = '.';
3008 }
3009
3010
2/2
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
3011
1/2
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 2 if (hls->nb_varstreams > 1)
3012 ✗ fmp4_init_filename_len += strlen(POSTFIX_PATTERN);
3013
1/2
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✓ Branch 1 taken 2 times.
 2 if (hls->flags & HLS_SINGLE_FILE) {
3014 ✗ vs->fmp4_init_filename = av_strdup(vs->basename);
3015 ✗ if (!vs->fmp4_init_filename)
3016 ✗ return AVERROR(ENOMEM);
3017 } else {
3018 2 vs->fmp4_init_filename = av_malloc(fmp4_init_filename_len);
3019
1/2
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✓ Branch 1 taken 2 times.
 2 if (!vs->fmp4_init_filename)
3020 ✗ return AVERROR(ENOMEM);
3021 2 av_strlcpy(vs->fmp4_init_filename, hls->fmp4_init_filename,
3022 fmp4_init_filename_len);
3023
1/2
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 2 if (hls->nb_varstreams > 1) {
3024 ✗ if (av_stristr(vs->fmp4_init_filename, "%v")) {
3025 ✗ av_freep(&vs->fmp4_init_filename);
3026 ✗ ret = format_name(hls->fmp4_init_filename,
3027 &vs->fmp4_init_filename, i, vs->varname);
3028 } else {
3029 ✗ ret = append_postfix(vs->fmp4_init_filename, fmp4_init_filename_len, i);
3030 }
3031 ✗ if (ret < 0)
3032 ✗ return ret;
3033 }
3034
3035
1/2
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 2 if (hls->use_localtime) {
3036 int r;
3037 ✗ char *expanded = NULL;
3038
3039 ✗ r = strftime_expand(vs->fmp4_init_filename, &expanded);
3040 ✗ if (r < 0) {
3041 ✗ av_log(s, AV_LOG_ERROR, "Could not get segment filename with strftime\n");
3042 ✗ return r;
3043 }
3044 ✗ av_free(vs->fmp4_init_filename);
3045 ✗ vs->fmp4_init_filename = expanded;
3046 }
3047
3048 2 char *p = strrchr(vs->m3u8_name, '/');
3049
1/2
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✗ Branch 1 not taken.
 2 if (p) {
3050 2 char tmp = *(++p);
3051 2 *p = '\0';
3052 2 vs->base_output_dirname = av_asprintf("%s%s", vs->m3u8_name,
3053 vs->fmp4_init_filename);
3054 2 *p = tmp;
3055 } else {
3056 ✗ vs->base_output_dirname = av_strdup(vs->fmp4_init_filename);
3057 }
3058
1/2
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✓ Branch 1 taken 2 times.
 2 if (!vs->base_output_dirname)
3059 ✗ return AVERROR(ENOMEM);
3060 }
3061 }
3062
3063
1/2
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✓ Branch 1 taken 18 times.
 18 ret = hls->use_localtime ? sls_flag_check_duration_size(hls, vs) : sls_flag_check_duration_size_index(hls);
3064
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 18 if (ret < 0)
3065 ✗ return ret;
3066
3067
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 18 if (vs->has_subtitle) {
3068 EXTERN const FFOutputFormat ff_webvtt_muxer;
3069 ✗ vs->vtt_oformat = &ff_webvtt_muxer.p;
3070
3071 ✗ char *p = strrchr(vs->m3u8_name, '.');
3072 ✗ if (p)
3073 ✗ *p = '\0';
3074
3075 ✗ vs->vtt_basename = av_asprintf("%s%s", vs->m3u8_name, vtt_pattern);
3076 ✗ if (!vs->vtt_basename)
3077 ✗ return AVERROR(ENOMEM);
3078
3079 ✗ if (hls->subtitle_filename) {
3080 ✗ ret = format_name(hls->subtitle_filename, &vs->vtt_m3u8_name, i, vs->varname);
3081 ✗ if (ret < 0)
3082 ✗ return ret;
3083 } else {
3084 ✗ vs->vtt_m3u8_name = av_asprintf("%s_vtt.m3u8", vs->m3u8_name);
3085 ✗ if (!vs->vtt_m3u8_name)
3086 ✗ return AVERROR(ENOMEM);
3087 }
3088 ✗ if (p)
3089 ✗ *p = '.';
3090 }
3091
3092
1/2
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✓ Branch 2 taken 18 times.
 18 if ((ret = hls_mux_init(s, vs)) < 0)
3093 ✗ return ret;
3094
3095
2/2
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✓ Branch 1 taken 17 times.
 18 if (hls->flags & HLS_APPEND_LIST) {
3096 1 parse_playlist(s, vs->m3u8_name, vs);
3097 1 vs->discontinuity = 1;
3098
1/2
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✓ Branch 1 taken 1 times.
 1 if (hls->init_time > 0) {
3099 ✗ av_log(s, AV_LOG_WARNING, "append_list mode does not support hls_init_time,"
3100 " hls_init_time value will have no effect\n");
3101 ✗ hls->init_time = 0;
3102 ✗ hls->recording_time = hls->time;
3103 }
3104 }
3105
3106
1/2
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✓ Branch 2 taken 18 times.
 18 if ((ret = hls_start(s, vs)) < 0)
3107 ✗ return ret;
3108 18 vs->number++;
3109 }
3110
3111 18 return ret;
3112 }
3113
3114 #define OFFSET(x) offsetof(HLSContext, x)
3115 #define E AV_OPT_FLAG_ENCODING_PARAM
3116 static const AVOption options[] = {
3117 {"start_number", "set first number in the sequence", OFFSET(start_sequence),AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, E},
3118 {"hls_time", "set segment length", OFFSET(time), AV_OPT_TYPE_DURATION, {.i64 = 2000000}, 0, INT64_MAX, E},
3119 {"hls_init_time", "set segment length at init list", OFFSET(init_time), AV_OPT_TYPE_DURATION, {.i64 = 0}, 0, INT64_MAX, E},
3120 {"hls_list_size", "set maximum number of playlist entries", OFFSET(max_nb_segments), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E},
3121 {"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},
3122 {"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},
3123 {"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},
3124 {"hls_base_url", "url to prepend to each playlist entry", OFFSET(baseurl), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3125 {"hls_segment_filename", "filename template for segment files", OFFSET(segment_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3126 {"hls_segment_options","set segments files format options of hls", OFFSET(format_options), AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, E},
3127 {"hls_segment_size", "maximum size per segment file, (in bytes)", OFFSET(max_seg_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E},
3128 {"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},
3129 {"hls_enc", "enable AES128 encryption support", OFFSET(encrypt), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, E},
3130 {"hls_enc_key", "hex-coded 16 byte key to encrypt the segments", OFFSET(key), AV_OPT_TYPE_STRING, .flags = E},
3131 {"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},
3132 {"hls_enc_iv", "hex-coded 16 byte initialization vector", OFFSET(iv), AV_OPT_TYPE_STRING, .flags = E},
3133 {"hls_subtitle_path", "set path of hls subtitles", OFFSET(subtitle_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3134 {"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"},
3135 {"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"},
3136 {"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"},
3137 {"hls_fmp4_init_filename", "set fragment mp4 file init filename", OFFSET(fmp4_init_filename), AV_OPT_TYPE_STRING, {.str = "init.mp4"}, 0, 0, E},
3138 {"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 },
3139 {"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"},
3140 {"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"},
3141 {"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"},
3142 {"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"},
3143 {"round_durations", "round durations in m3u8 to whole numbers", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_ROUND_DURATIONS }, 0, UINT_MAX, E, .unit = "flags"},
3144 {"discont_start", "start the playlist with a discontinuity tag", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_DISCONT_START }, 0, UINT_MAX, E, .unit = "flags"},
3145 {"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"},
3146 {"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"},
3147 {"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"},
3148 {"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"},
3149 {"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"},
3150 {"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"},
3151 {"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"},
3152 {"periodic_rekey", "reload keyinfo file periodically for re-keying", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PERIODIC_REKEY }, 0, UINT_MAX, E, .unit = "flags"},
3153 {"independent_segments", "add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_INDEPENDENT_SEGMENTS }, 0, UINT_MAX, E, .unit = "flags"},
3154 {"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"},
3155 {"strftime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3156 {"strftime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_localtime_mkdir), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3157 {"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" },
3158 {"event", "EVENT playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_EVENT }, INT_MIN, INT_MAX, E, .unit = "pl_type" },
3159 {"vod", "VOD playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_VOD }, INT_MIN, INT_MAX, E, .unit = "pl_type" },
3160 {"method", "set the HTTP method(default: PUT)", OFFSET(method), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3161 {"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" },
3162 {"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" },
3163 {"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" },
3164 {"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" },
3165 {"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" },
3166 {"http_user_agent", "override User-Agent field in HTTP header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3167 {"var_stream_map", "Variant stream map string", OFFSET(var_stream_map), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3168 {"cc_stream_map", "Closed captions stream map string", OFFSET(cc_stream_map), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3169 {"master_pl_name", "Create HLS master playlist with this name", OFFSET(master_pl_name), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3170 {"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},
3171 {"http_persistent", "Use persistent HTTP connections", OFFSET(http_persistent), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3172 {"timeout", "set timeout for socket I/O operations", OFFSET(timeout), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT_MAX, .flags = E },
3173 {"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 },
3174 {"headers", "set custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
3175 { NULL },
3176 };
3177
3178 static const AVClass hls_class = {
3179 .class_name = "hls muxer",
3180 .item_name = av_default_item_name,
3181 .option = options,
3182 .version = LIBAVUTIL_VERSION_INT,
3183 };
3184
3185
3186 const FFOutputFormat ff_hls_muxer = {
3187 .p.name = "hls",
3188 .p.long_name = NULL_IF_CONFIG_SMALL("Apple HTTP Live Streaming"),
3189 .p.extensions = "m3u8",
3190 .p.audio_codec = AV_CODEC_ID_AAC,
3191 .p.video_codec = AV_CODEC_ID_H264,
3192 .p.subtitle_codec = AV_CODEC_ID_WEBVTT,
3193 .p.flags = AVFMT_NOFILE | AVFMT_GLOBALHEADER | AVFMT_NODIMENSIONS,
3194 .p.priv_class = &hls_class,
3195 .flags_internal = FF_OFMT_FLAG_ALLOW_FLUSH,
3196 .priv_data_size = sizeof(HLSContext),
3197 .init = hls_init,
3198 .write_header = hls_write_header,
3199 .write_packet = hls_write_packet,
3200 .write_trailer = hls_write_trailer,
3201 .deinit = hls_deinit,
3202 };
3203