FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/hlsenc.c
Date: 2026-04-24 19:58:39
Exec Total Coverage
Lines: 740 1826 40.5%
Functions: 25 47 53.2%
Branches: 450 1338 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 18 vs->start_pos = 0;
834 18 vs->new_start = 1;
835
836
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4 && hls->max_seg_size > 0) {
837 ✗ if (hls->http_persistent > 0) {
838 //TODO: Support fragment fmp4 for http persistent in HLS muxer.
839 ✗ av_log(s, AV_LOG_WARNING, "http persistent mode is currently unsupported for fragment mp4 in the HLS muxer.\n");
840 }
841 ✗ if (hls->max_seg_size > 0) {
842 ✗ av_log(s, AV_LOG_WARNING, "Multi-file byterange mode is currently unsupported in the HLS muxer.\n");
843 ✗ return AVERROR_PATCHWELCOME;
844 }
845 }
846
847
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 18 if ((ret = avio_open_dyn_buf(&oc->pb)) < 0)
848 ✗ return ret;
849
850
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
851 2 set_http_options(s, &options, hls);
852
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 2 if (byterange_mode) {
853 ✗ ret = hlsenc_io_open(s, &vs->out, vs->basename, &options);
854 } else {
855 2 ret = hlsenc_io_open(s, &vs->out, vs->base_output_dirname, &options);
856 }
857 2 av_dict_free(&options);
858 }
859
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 18 if (ret < 0) {
860 ✗ av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", vs->fmp4_init_filename);
861 ✗ return ret;
862 }
863
864 18 av_dict_copy(&options, hls->format_options, 0);
865
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
866 2 av_dict_set(&options, "fflags", "-autobsf", 0);
867 2 av_dict_set(&options, "movflags", "+frag_custom+dash+delay_moov", AV_DICT_APPEND);
868 } else {
869 /* We only require one PAT/PMT per segment. */
870 char period[21];
871 16 snprintf(period, sizeof(period), "%d", (INT_MAX / 2) - 1);
872 16 av_dict_set(&options, "sdt_period", period, AV_DICT_DONT_OVERWRITE);
873 16 av_dict_set(&options, "pat_period", period, AV_DICT_DONT_OVERWRITE);
874 }
875 18 ret = avformat_init_output(oc, &options);
876 18 remaining_options = av_dict_count(options);
877 18 av_dict_free(&options);
878
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 18 if (ret < 0)
879 ✗ return ret;
880
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 18 if (remaining_options) {
881 ✗ av_log(s, AV_LOG_ERROR, "Some of the provided format options are not recognized\n");
882 ✗ return AVERROR(EINVAL);
883 }
884 18 avio_flush(oc->pb);
885 18 return 0;
886 }
887
888 173 static HLSSegment *find_segment_by_filename(HLSSegment *segment, const char *filename)
889 {
890
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 370 while (segment) {
891
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 212 if (!av_strcasecmp(segment->filename,filename))
892 15 return segment;
893 197 segment = segment->next;
894 }
895 158 return (HLSSegment *) NULL;
896 }
897
898 94 static int sls_flags_filename_process(struct AVFormatContext *s, HLSContext *hls,
899 VariantStream *vs, HLSSegment *en,
900 double duration, int64_t pos, int64_t size)
901 {
902
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 94 if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
903 ✗ strlen(vs->current_segment_final_filename_fmt)) {
904 ✗ char * new_url = av_strdup(vs->current_segment_final_filename_fmt);
905 ✗ if (!new_url) {
906 ✗ return AVERROR(ENOMEM);
907 }
908 ✗ ff_format_set_url(vs->avf, new_url);
909 ✗ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
910 ✗ char *filename = NULL;
911 ✗ if (replace_int_data_in_filename(&filename, vs->avf->url, 's', pos + size) < 1) {
912 ✗ av_log(hls, AV_LOG_ERROR,
913 "Invalid second level segment filename template '%s', "
914 "you can try to remove second_level_segment_size flag\n",
915 ✗ vs->avf->url);
916 ✗ av_freep(&filename);
917 ✗ return AVERROR(EINVAL);
918 }
919 ✗ ff_format_set_url(vs->avf, filename);
920 }
921 ✗ if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
922 ✗ char *filename = NULL;
923 ✗ if (replace_int_data_in_filename(&filename, vs->avf->url,
924 ✗ 't', (int64_t)round(duration * HLS_MICROSECOND_UNIT)) < 1) {
925 ✗ av_log(hls, AV_LOG_ERROR,
926 "Invalid second level segment filename template '%s', "
927 "you can try to remove second_level_segment_duration flag\n",
928 ✗ vs->avf->url);
929 ✗ av_freep(&filename);
930 ✗ return AVERROR(EINVAL);
931 }
932 ✗ ff_format_set_url(vs->avf, filename);
933 }
934 }
935 94 return 0;
936 }
937
938 18 static int sls_flag_check_duration_size_index(HLSContext *hls)
939 {
940 18 int ret = 0;
941
942
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 18 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
943 ✗ av_log(hls, AV_LOG_ERROR,
944 "second_level_segment_duration hls_flag requires strftime to be true\n");
945 ✗ ret = AVERROR(EINVAL);
946 }
947
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 18 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
948 ✗ av_log(hls, AV_LOG_ERROR,
949 "second_level_segment_size hls_flag requires strfime to be true\n");
950 ✗ ret = AVERROR(EINVAL);
951 }
952
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 18 if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
953 ✗ av_log(hls, AV_LOG_ERROR,
954 "second_level_segment_index hls_flag requires strftime to be true\n");
955 ✗ ret = AVERROR(EINVAL);
956 }
957
958 18 return ret;
959 }
960
961 ✗ static int sls_flag_check_duration_size(HLSContext *hls, VariantStream *vs)
962 {
963 ✗ const char *proto = avio_find_protocol_name(vs->basename);
964 ✗ int segment_renaming_ok = proto && !strcmp(proto, "file");
965 ✗ int ret = 0;
966
967 ✗ if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) && !segment_renaming_ok) {
968 ✗ av_log(hls, AV_LOG_ERROR,
969 "second_level_segment_duration hls_flag works only with file protocol segment names\n");
970 ✗ ret = AVERROR(EINVAL);
971 }
972 ✗ if ((hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) && !segment_renaming_ok) {
973 ✗ av_log(hls, AV_LOG_ERROR,
974 "second_level_segment_size hls_flag works only with file protocol segment names\n");
975 ✗ ret = AVERROR(EINVAL);
976 }
977
978 ✗ return ret;
979 }
980
981 77 static void sls_flag_file_rename(HLSContext *hls, VariantStream *vs, char *old_filename) {
982
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 77 if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
983 ✗ strlen(vs->current_segment_final_filename_fmt)) {
984 ✗ ff_rename(old_filename, vs->avf->url, hls);
985 }
986 77 }
987
988 ✗ static int sls_flag_use_localtime_filename(AVFormatContext *oc, HLSContext *c, VariantStream *vs)
989 {
990 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_INDEX) {
991 ✗ char *filename = NULL;
992 ✗ if (replace_int_data_in_filename(&filename,
993 ✗ oc->url, 'd', vs->sequence) < 1) {
994 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
995 "you can try to remove second_level_segment_index flag\n",
996 oc->url);
997 ✗ av_freep(&filename);
998 ✗ return AVERROR(EINVAL);
999 }
1000 ✗ ff_format_set_url(oc, filename);
1001 }
1002 ✗ if (c->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) {
1003 ✗ av_strlcpy(vs->current_segment_final_filename_fmt, oc->url,
1004 sizeof(vs->current_segment_final_filename_fmt));
1005 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
1006 ✗ char *filename = NULL;
1007 ✗ if (replace_int_data_in_filename(&filename, oc->url, 's', 0) < 1) {
1008 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
1009 "you can try to remove second_level_segment_size flag\n",
1010 oc->url);
1011 ✗ av_freep(&filename);
1012 ✗ return AVERROR(EINVAL);
1013 }
1014 ✗ ff_format_set_url(oc, filename);
1015 }
1016 ✗ if (c->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
1017 ✗ char *filename = NULL;
1018 ✗ if (replace_int_data_in_filename(&filename, oc->url, 't', 0) < 1) {
1019 ✗ av_log(c, AV_LOG_ERROR, "Invalid second level segment filename template '%s', "
1020 "you can try to remove second_level_segment_duration flag\n",
1021 oc->url);
1022 ✗ av_freep(&filename);
1023 ✗ return AVERROR(EINVAL);
1024 }
1025 ✗ ff_format_set_url(oc, filename);
1026 }
1027 }
1028 ✗ return 0;
1029 }
1030
1031 /* Create a new segment and append it to the segment list */
1032 94 static int hls_append_segment(struct AVFormatContext *s, HLSContext *hls,
1033 VariantStream *vs, double duration, int64_t pos,
1034 int64_t size)
1035 {
1036 94 HLSSegment *en = av_malloc(sizeof(*en));
1037 const char *filename;
1038
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 94 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
1039 int ret;
1040
1041
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 94 if (!en)
1042 ✗ return AVERROR(ENOMEM);
1043
1044 94 vs->total_size += size;
1045 94 vs->total_duration += duration;
1046
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 94 if (duration > 0.5) {
1047 // Don't include the final, possibly very short segment in the
1048 // calculation of the max bitrate.
1049 94 int cur_bitrate = (int)(8 * size / duration);
1050
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 94 if (cur_bitrate > vs->max_bitrate)
1051 49 vs->max_bitrate = cur_bitrate;
1052 }
1053
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 94 if (vs->total_duration > 0)
1054 94 vs->avg_bitrate = (int)(8 * vs->total_size / vs->total_duration);
1055
1056 94 en->var_stream_idx = vs->var_stream_idx;
1057 94 ret = sls_flags_filename_process(s, hls, vs, en, duration, pos, size);
1058
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 94 if (ret < 0) {
1059 ✗ av_freep(&en);
1060 ✗ return ret;
1061 }
1062
1063 94 filename = av_basename(vs->avf->url);
1064
1065
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 94 if (hls->use_localtime_mkdir) {
1066 ✗ filename = vs->avf->url;
1067 }
1068
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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))
1069
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 15 && !byterange_mode) {
1070 ✗ av_log(hls, AV_LOG_WARNING, "Duplicated segment filename detected: %s\n", filename);
1071 }
1072 94 av_strlcpy(en->filename, filename, sizeof(en->filename));
1073
1074
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 94 if (vs->has_subtitle)
1075 ✗ av_strlcpy(en->sub_filename, av_basename(vs->vtt_avf->url), sizeof(en->sub_filename));
1076 else
1077 94 en->sub_filename[0] = '\0';
1078
1079 94 en->duration = duration;
1080 94 en->pos = pos;
1081 94 en->size = size;
1082 94 en->keyframe_pos = vs->video_keyframe_pos;
1083 94 en->keyframe_size = vs->video_keyframe_size;
1084 94 en->next = NULL;
1085 94 en->discont = 0;
1086 94 en->discont_program_date_time = 0;
1087
1088
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 94 if (vs->discontinuity) {
1089 1 en->discont = 1;
1090 1 vs->discontinuity = 0;
1091 }
1092
1093
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 94 if (hls->key_info_file || hls->encrypt) {
1094 ✗ av_strlcpy(en->key_uri, vs->key_uri, sizeof(en->key_uri));
1095 ✗ av_strlcpy(en->iv_string, vs->iv_string, sizeof(en->iv_string));
1096 }
1097
1098
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 94 if (!vs->segments)
1099 18 vs->segments = en;
1100 else
1101 76 vs->last_segment->next = en;
1102
1103 94 vs->last_segment = en;
1104
1105 // EVENT or VOD playlists imply sliding window cannot be used
1106
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 94 if (hls->pl_type != PLAYLIST_TYPE_NONE)
1107 13 hls->max_nb_segments = 0;
1108
1109
4/4
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 94 if (hls->max_nb_segments && vs->nb_entries >= hls->max_nb_segments) {
1110 8 en = vs->segments;
1111
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 8 if (!en->next->discont_program_date_time && !en->discont_program_date_time)
1112 8 vs->initial_prog_date_time += en->duration;
1113 8 vs->segments = en->next;
1114
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 8 if (en && hls->flags & HLS_DELETE_SEGMENTS &&
1115 ✗ !(hls->flags & HLS_SINGLE_FILE)) {
1116 ✗ en->next = vs->old_segments;
1117 ✗ vs->old_segments = en;
1118 ✗ if ((ret = hls_delete_old_segments(s, hls, vs)) < 0)
1119 ✗ return ret;
1120 } else
1121 8 av_freep(&en);
1122 } else
1123 86 vs->nb_entries++;
1124
1125
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 94 if (hls->max_seg_size > 0) {
1126 10 return 0;
1127 }
1128 84 vs->sequence++;
1129
1130 84 return 0;
1131 }
1132
1133 ✗ static int extract_segment_number(const char *filename) {
1134 ✗ const char *dot = strrchr(filename, '.');
1135 ✗ const char *num_start = dot - 1;
1136
1137 ✗ while (num_start > filename && *num_start >= '0' && *num_start <= '9') {
1138 ✗ num_start--;
1139 }
1140
1141 ✗ num_start++;
1142
1143 ✗ if (num_start == dot)
1144 ✗ return -1;
1145
1146 ✗ return atoi(num_start);
1147 }
1148
1149 1 static int parse_playlist(AVFormatContext *s, const char *url, VariantStream *vs)
1150 {
1151 1 HLSContext *hls = s->priv_data;
1152 AVIOContext *in;
1153 1 int ret = 0, is_segment = 0;
1154 int64_t new_start_pos;
1155 char line[MAX_URL_SIZE];
1156 const char *ptr;
1157 const char *end;
1158 1 double discont_program_date_time = 0;
1159
1160
1/2
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 1 if ((ret = ffio_open_whitelist(&in, url, AVIO_FLAG_READ,
1161 1 &s->interrupt_callback, NULL,
1162 1 s->protocol_whitelist, s->protocol_blacklist)) < 0)
1163 ✗ return ret;
1164
1165 1 ff_get_chomp_line(in, line, sizeof(line));
1166
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 1 if (strcmp(line, "#EXTM3U")) {
1167 ✗ ret = AVERROR_INVALIDDATA;
1168 ✗ goto fail;
1169 }
1170
1171 1 vs->discontinuity = 0;
1172
2/2
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 11 while (!avio_feof(in)) {
1173 10 ff_get_chomp_line(in, line, sizeof(line));
1174
2/2
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✓ Branch 2 taken 9 times.
 10 if (av_strstart(line, "#EXT-X-MEDIA-SEQUENCE:", &ptr)) {
1175 1 int64_t tmp_sequence = strtoll(ptr, NULL, 10);
1176
1/2
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 1 if (tmp_sequence < vs->sequence)
1177 ✗ av_log(hls, AV_LOG_VERBOSE,
1178 "Found playlist sequence number was smaller """
1179 "than specified start sequence number: %"PRId64" < %"PRId64", "
1180 "omitting\n", tmp_sequence, hls->start_sequence);
1181 else {
1182 1 av_log(hls, AV_LOG_DEBUG, "Found playlist sequence number: %"PRId64"\n", tmp_sequence);
1183 1 vs->sequence = tmp_sequence;
1184 }
1185
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 9 } else if (av_strstart(line, "#EXT-X-DISCONTINUITY", &ptr)) {
1186 ✗ is_segment = 1;
1187 ✗ vs->discontinuity = 1;
1188
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 9 } else if (av_strstart(line, "#EXTINF:", &ptr)) {
1189 2 is_segment = 1;
1190 2 vs->duration = atof(ptr);
1191
1/2
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✓ Branch 2 taken 7 times.
 7 } else if (av_stristart(line, "#EXT-X-KEY:", &ptr)) {
1192 ✗ ptr = av_stristr(line, "URI=\"");
1193 ✗ if (ptr) {
1194 ✗ ptr += strlen("URI=\"");
1195 ✗ end = av_stristr(ptr, ",");
1196 ✗ if (end) {
1197 ✗ av_strlcpy(vs->key_uri, ptr, end - ptr);
1198 } else {
1199 ✗ av_strlcpy(vs->key_uri, ptr, sizeof(vs->key_uri));
1200 }
1201 }
1202
1203 ✗ ptr = av_stristr(line, "IV=0x");
1204 ✗ if (ptr) {
1205 ✗ ptr += strlen("IV=0x");
1206 ✗ end = av_stristr(ptr, ",");
1207 ✗ if (end) {
1208 ✗ av_strlcpy(vs->iv_string, ptr, end - ptr);
1209 } else {
1210 ✗ av_strlcpy(vs->iv_string, ptr, sizeof(vs->iv_string));
1211 }
1212 }
1213
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 7 } else if (av_strstart(line, "#EXT-X-PROGRAM-DATE-TIME:", &ptr)) {
1214 struct tm program_date_time;
1215 int y,M,d,h,m,sec;
1216 double ms;
1217 ✗ if (sscanf(ptr, "%d-%d-%dT%d:%d:%d.%lf", &y, &M, &d, &h, &m, &sec, &ms) != 7) {
1218 ✗ ret = AVERROR_INVALIDDATA;
1219 ✗ goto fail;
1220 }
1221
1222 ✗ program_date_time.tm_year = y - 1900;
1223 ✗ program_date_time.tm_mon = M - 1;
1224 ✗ program_date_time.tm_mday = d;
1225 ✗ program_date_time.tm_hour = h;
1226 ✗ program_date_time.tm_min = m;
1227 ✗ program_date_time.tm_sec = sec;
1228 ✗ program_date_time.tm_isdst = -1;
1229
1230 ✗ discont_program_date_time = mktime(&program_date_time);
1231 ✗ discont_program_date_time += (double)(ms / 1000);
1232
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 7 } else if (av_strstart(line, "#", NULL)) {
1233 4 continue;
1234
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 3 } else if (line[0]) {
1235
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 2 if (is_segment) {
1236 2 char *new_file = av_strdup(line);
1237
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 2 if (!new_file) {
1238 ✗ ret = AVERROR(ENOMEM);
1239 ✗ goto fail;
1240 }
1241 2 ff_format_set_url(vs->avf, new_file);
1242
1243
1/2
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 2 if (vs->has_subtitle) {
1244 ✗ int vtt_index = extract_segment_number(line);
1245 ✗ const char *vtt_basename = av_basename(vs->vtt_basename);
1246 ✗ char *vtt_file = NULL;
1247 ✗ ret = replace_int_data_in_filename(&vtt_file, vtt_basename, 'd', vtt_index);
1248 ✗ if (ret < 0 || !vtt_file) {
1249 ✗ ret = AVERROR(ENOMEM);
1250 ✗ goto fail;
1251 }
1252
1253 ✗ ff_format_set_url(vs->vtt_avf, vtt_file);
1254 }
1255
1256 2 is_segment = 0;
1257 2 new_start_pos = avio_tell(vs->avf->pb);
1258 2 vs->size = new_start_pos - vs->start_pos;
1259 2 ret = hls_append_segment(s, hls, vs, vs->duration, vs->start_pos, vs->size);
1260
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 2 if (discont_program_date_time) {
1261 ✗ vs->last_segment->discont_program_date_time = discont_program_date_time;
1262 ✗ discont_program_date_time += vs->duration;
1263 }
1264
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 2 if (ret < 0)
1265 ✗ goto fail;
1266 2 vs->start_pos = new_start_pos;
1267 }
1268 }
1269 }
1270
1271 1 fail:
1272 1 avio_close(in);
1273 1 return ret;
1274 }
1275
1276 36 static void hls_free_segments(HLSSegment *p)
1277 {
1278 HLSSegment *en;
1279
1280
2/2
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 122 while (p) {
1281 86 en = p;
1282 86 p = p->next;
1283 86 av_freep(&en);
1284 }
1285 36 }
1286
1287 ✗ static int hls_rename_temp_file(AVFormatContext *s, AVFormatContext *oc)
1288 {
1289 ✗ size_t len = strlen(oc->url);
1290 ✗ char *final_filename = av_strdup(oc->url);
1291 int ret;
1292
1293 ✗ if (!final_filename)
1294 ✗ return AVERROR(ENOMEM);
1295 ✗ final_filename[len-4] = '\0';
1296 ✗ ret = ff_rename(oc->url, final_filename, s);
1297 ✗ oc->url[len-4] = '\0';
1298 ✗ av_freep(&final_filename);
1299 ✗ return ret;
1300 }
1301
1302 ✗ static const char* get_relative_url(const char *master_url, const char *media_url)
1303 {
1304 ✗ const char *p = strrchr(master_url, '/');
1305 ✗ size_t base_len = 0;
1306
1307 ✗ if (!p) p = strrchr(master_url, '\\');
1308
1309 ✗ if (p) {
1310 ✗ base_len = p - master_url;
1311 ✗ if (av_strncasecmp(master_url, media_url, base_len)) {
1312 ✗ av_log(NULL, AV_LOG_WARNING, "Unable to find relative url\n");
1313 ✗ return NULL;
1314 }
1315 } else {
1316 ✗ return media_url;
1317 }
1318
1319 ✗ return media_url + base_len + 1;
1320 }
1321
1322 ✗ static int64_t get_stream_bit_rate(AVStream *stream)
1323 {
1324 ✗ const AVPacketSideData *sd = av_packet_side_data_get(
1325 ✗ stream->codecpar->coded_side_data, stream->codecpar->nb_coded_side_data,
1326 AV_PKT_DATA_CPB_PROPERTIES
1327 );
1328
1329 ✗ if (stream->codecpar->bit_rate)
1330 ✗ return stream->codecpar->bit_rate;
1331 ✗ else if (sd) {
1332 ✗ AVCPBProperties *props = (AVCPBProperties*)sd->data;
1333 ✗ return props->max_bitrate;
1334 }
1335
1336 ✗ return 0;
1337 }
1338
1339 ✗ static int create_master_playlist(AVFormatContext *s,
1340 VariantStream * const input_vs,
1341 int final)
1342 {
1343 ✗ HLSContext *hls = s->priv_data;
1344 VariantStream *vs, *temp_vs;
1345 AVStream *vid_st, *aud_st;
1346 ✗ AVDictionary *options = NULL;
1347 unsigned int i, j;
1348 int ret, bandwidth, avg_bandwidth;
1349 ✗ const char *m3u8_rel_name = NULL;
1350 ✗ const char *vtt_m3u8_rel_name = NULL;
1351 const char *ccgroup;
1352 ✗ const char *sgroup = NULL;
1353 ClosedCaptionsStream *ccs;
1354 ✗ const char *proto = avio_find_protocol_name(hls->master_m3u8_url);
1355 ✗ int is_file_proto = proto && !strcmp(proto, "file");
1356 ✗ int use_temp_file = is_file_proto && ((hls->flags & HLS_TEMP_FILE) || hls->master_publish_rate);
1357 char temp_filename[MAX_URL_SIZE];
1358 int nb_channels;
1359
1360 ✗ input_vs->m3u8_created = 1;
1361 ✗ if (!hls->master_m3u8_created) {
1362 /* For the first time, wait until all the media playlists are created */
1363 ✗ for (i = 0; i < hls->nb_varstreams; i++)
1364 ✗ if (!hls->var_streams[i].m3u8_created)
1365 ✗ return 0;
1366 } else {
1367 /* Keep publishing the master playlist at the configured rate */
1368 ✗ if ((&hls->var_streams[0] != input_vs || !hls->master_publish_rate ||
1369 ✗ input_vs->number % hls->master_publish_rate) && !final)
1370 ✗ return 0;
1371 }
1372
1373 ✗ set_http_options(s, &options, hls);
1374 ✗ snprintf(temp_filename, sizeof(temp_filename), use_temp_file ? "%s.tmp" : "%s", hls->master_m3u8_url);
1375 ✗ ret = hlsenc_io_open(s, &hls->m3u8_out, temp_filename, &options);
1376 ✗ av_dict_free(&options);
1377 ✗ if (ret < 0) {
1378 ✗ av_log(s, AV_LOG_ERROR, "Failed to open master play list file '%s'\n",
1379 temp_filename);
1380 ✗ goto fail;
1381 }
1382
1383 ✗ ff_hls_write_playlist_version(hls->m3u8_out, hls->version);
1384
1385 ✗ for (i = 0; i < hls->nb_ccstreams; i++) {
1386 ✗ ccs = &(hls->cc_streams[i]);
1387 ✗ avio_printf(hls->m3u8_out, "#EXT-X-MEDIA:TYPE=CLOSED-CAPTIONS");
1388 ✗ avio_printf(hls->m3u8_out, ",GROUP-ID=\"%s\"", ccs->ccgroup);
1389 ✗ avio_printf(hls->m3u8_out, ",NAME=\"%s\"", ccs->instreamid);
1390 ✗ if (ccs->language)
1391 ✗ avio_printf(hls->m3u8_out, ",LANGUAGE=\"%s\"", ccs->language);
1392 ✗ avio_printf(hls->m3u8_out, ",INSTREAM-ID=\"%s\"\n", ccs->instreamid);
1393 }
1394
1395 /* For audio only variant streams add #EXT-X-MEDIA tag with attributes*/
1396 ✗ for (i = 0; i < hls->nb_varstreams; i++) {
1397 ✗ vs = &(hls->var_streams[i]);
1398
1399 ✗ if (vs->has_video || vs->has_subtitle || !vs->agroup)
1400 ✗ continue;
1401
1402 ✗ m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->m3u8_name);
1403 ✗ if (!m3u8_rel_name) {
1404 ✗ av_log(s, AV_LOG_ERROR, "Unable to find relative URL\n");
1405 ✗ goto fail;
1406 }
1407 ✗ nb_channels = 0;
1408 ✗ for (j = 0; j < vs->nb_streams; j++)
1409 ✗ if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
1410 ✗ if (vs->streams[j]->codecpar->ch_layout.nb_channels > nb_channels)
1411 ✗ nb_channels = vs->streams[j]->codecpar->ch_layout.nb_channels;
1412
1413 ✗ 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);
1414 }
1415
1416 /* For variant streams with video add #EXT-X-STREAM-INF tag with attributes*/
1417 ✗ for (i = 0; i < hls->nb_varstreams; i++) {
1418 ✗ vs = &(hls->var_streams[i]);
1419
1420 ✗ m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->m3u8_name);
1421 ✗ if (!m3u8_rel_name) {
1422 ✗ av_log(s, AV_LOG_ERROR, "Unable to find relative URL\n");
1423 ✗ goto fail;
1424 }
1425
1426 ✗ vid_st = NULL;
1427 ✗ aud_st = NULL;
1428 ✗ for (j = 0; j < vs->nb_streams; j++) {
1429 ✗ if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
1430 ✗ vid_st = vs->streams[j];
1431 ✗ else if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
1432 ✗ aud_st = vs->streams[j];
1433 }
1434
1435 ✗ if (!vid_st && !aud_st) {
1436 ✗ av_log(s, AV_LOG_WARNING, "Media stream not found\n");
1437 ✗ continue;
1438 }
1439
1440 /**
1441 * Traverse through the list of audio only rendition streams and find
1442 * the rendition which has highest bitrate in the same audio group
1443 */
1444 ✗ if (vs->agroup) {
1445 ✗ for (j = 0; j < hls->nb_varstreams; j++) {
1446 ✗ temp_vs = &(hls->var_streams[j]);
1447 ✗ if (!temp_vs->has_video && !temp_vs->has_subtitle &&
1448 ✗ temp_vs->agroup &&
1449 ✗ !av_strcasecmp(temp_vs->agroup, vs->agroup)) {
1450 ✗ if (!aud_st)
1451 ✗ aud_st = temp_vs->streams[0];
1452 ✗ if (temp_vs->streams[0]->codecpar->bit_rate >
1453 ✗ aud_st->codecpar->bit_rate)
1454 ✗ aud_st = temp_vs->streams[0];
1455 }
1456 }
1457 }
1458
1459 ✗ if (final) {
1460 ✗ bandwidth = vs->max_bitrate;
1461 ✗ avg_bandwidth = vs->avg_bitrate;
1462 } else {
1463 ✗ bandwidth = 0;
1464 ✗ if (vid_st)
1465 ✗ bandwidth += get_stream_bit_rate(vid_st);
1466 ✗ if (aud_st)
1467 ✗ bandwidth += get_stream_bit_rate(aud_st);
1468 ✗ bandwidth += bandwidth / 10;
1469 }
1470
1471 ✗ ccgroup = NULL;
1472 ✗ if (vid_st && vs->ccgroup) {
1473 /* check if this group name is available in the cc map string */
1474 ✗ for (j = 0; j < hls->nb_ccstreams; j++) {
1475 ✗ ccs = &(hls->cc_streams[j]);
1476 ✗ if (!av_strcasecmp(ccs->ccgroup, vs->ccgroup)) {
1477 ✗ ccgroup = vs->ccgroup;
1478 ✗ break;
1479 }
1480 }
1481 ✗ if (j == hls->nb_ccstreams)
1482 ✗ av_log(s, AV_LOG_WARNING, "mapping ccgroup %s not found\n",
1483 vs->ccgroup);
1484 }
1485
1486 ✗ if (vid_st && vs->sgroup) {
1487 ✗ sgroup = vs->sgroup;
1488 ✗ vtt_m3u8_rel_name = get_relative_url(hls->master_m3u8_url, vs->vtt_m3u8_name);
1489 ✗ if (!vtt_m3u8_rel_name) {
1490 ✗ av_log(s, AV_LOG_WARNING, "Unable to find relative subtitle URL\n");
1491 ✗ break;
1492 }
1493
1494 ✗ ff_hls_write_subtitle_rendition(hls->m3u8_out, sgroup, vtt_m3u8_rel_name, vs->language,
1495 ✗ vs->subtitle_varname, i, hls->has_default_key ? vs->is_default : 1);
1496 }
1497
1498 ✗ if (!hls->has_default_key || !hls->has_video_m3u8) {
1499 ✗ ff_hls_write_stream_info(vid_st, hls->m3u8_out, bandwidth, avg_bandwidth, m3u8_rel_name,
1500 ✗ aud_st ? vs->agroup : NULL, vs->codec_attr, ccgroup, sgroup);
1501 } else {
1502 ✗ if (vid_st) {
1503 ✗ ff_hls_write_stream_info(vid_st, hls->m3u8_out, bandwidth, avg_bandwidth, m3u8_rel_name,
1504 ✗ aud_st ? vs->agroup : NULL, vs->codec_attr, ccgroup, sgroup);
1505 }
1506 }
1507 }
1508 ✗ fail:
1509 ✗ if (ret >=0)
1510 ✗ hls->master_m3u8_created = 1;
1511 ✗ hlsenc_io_close(s, &hls->m3u8_out, temp_filename);
1512 ✗ if (use_temp_file)
1513 ✗ ff_rename(temp_filename, hls->master_m3u8_url, s);
1514
1515 ✗ return ret;
1516 }
1517
1518 90 static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
1519 {
1520 90 HLSContext *hls = s->priv_data;
1521 HLSSegment *en;
1522 90 int target_duration = 0;
1523 90 int ret = 0;
1524 char temp_filename[MAX_URL_SIZE];
1525 char temp_vtt_filename[MAX_URL_SIZE];
1526 90 int64_t sequence = FFMAX(hls->start_sequence, vs->sequence - vs->nb_entries);
1527 90 const char *proto = avio_find_protocol_name(vs->m3u8_name);
1528
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 90 int is_file_proto = proto && !strcmp(proto, "file");
1529
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 90 int use_temp_file = is_file_proto && ((hls->flags & HLS_TEMP_FILE) || !(hls->pl_type == PLAYLIST_TYPE_VOD));
1530 static unsigned warned_non_file;
1531 90 char *key_uri = NULL;
1532 90 char *iv_string = NULL;
1533 90 AVDictionary *options = NULL;
1534 90 double prog_date_time = vs->initial_prog_date_time;
1535
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 90 double *prog_date_time_p = (hls->flags & HLS_PROGRAM_DATE_TIME) ? &prog_date_time : NULL;
1536
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 90 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
1537
1538 90 hls->version = 2;
1539
2/2
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 90 if (!(hls->flags & HLS_ROUND_DURATIONS)) {
1540 87 hls->version = 3;
1541 }
1542
1543
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 90 if (byterange_mode) {
1544 20 hls->version = 4;
1545 20 sequence = 0;
1546 }
1547
1548
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 90 if (hls->flags & HLS_I_FRAMES_ONLY) {
1549 ✗ hls->version = 4;
1550 }
1551
1552
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 90 if (hls->flags & HLS_INDEPENDENT_SEGMENTS) {
1553 3 hls->version = 6;
1554 }
1555
1556
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 90 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
1557 6 hls->version = 7;
1558 }
1559
1560
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 90 if (!is_file_proto && (hls->flags & HLS_TEMP_FILE) && !warned_non_file++)
1561 ✗ av_log(s, AV_LOG_ERROR, "Cannot use rename on non file protocol, this may lead to races and temporary partial files\n");
1562
1563 90 set_http_options(s, &options, hls);
1564
2/2
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 90 snprintf(temp_filename, sizeof(temp_filename), use_temp_file ? "%s.tmp" : "%s", vs->m3u8_name);
1565
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 90 ret = hlsenc_io_open(s, byterange_mode ? &hls->m3u8_out : &vs->out, temp_filename, &options);
1566 90 av_dict_free(&options);
1567
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 90 if (ret < 0) {
1568 ✗ goto fail;
1569 }
1570
1571
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 421 for (en = vs->segments; en; en = en->next) {
1572
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 331 if (target_duration <= en->duration)
1573 247 target_duration = lrint(en->duration);
1574 }
1575
1576 90 vs->discontinuity_set = 0;
1577 90 ff_hls_write_playlist_header(byterange_mode ? hls->m3u8_out : vs->out, hls->version, hls->allowcache,
1578
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 90 target_duration, sequence, hls->pl_type, hls->flags & HLS_I_FRAMES_ONLY);
1579
1580
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 90 if ((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0) {
1581
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 3 avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-DISCONTINUITY\n");
1582 3 vs->discontinuity_set = 1;
1583 }
1584
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 90 if (vs->has_video && (hls->flags & HLS_INDEPENDENT_SEGMENTS)) {
1585
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 3 avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-INDEPENDENT-SEGMENTS\n");
1586 }
1587
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 421 for (en = vs->segments; en; en = en->next) {
1588
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 331 if ((hls->encrypt || hls->key_info_file) && (!key_uri || strcmp(en->key_uri, key_uri) ||
1589 ✗ av_strcasecmp(en->iv_string, iv_string))) {
1590 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-KEY:METHOD=AES-128,URI=\"%s\"", en->key_uri);
1591 ✗ if (*en->iv_string)
1592 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, ",IV=0x%s", en->iv_string);
1593 ✗ avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "\n");
1594 ✗ key_uri = en->key_uri;
1595 ✗ iv_string = en->iv_string;
1596 }
1597
1598
4/4
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 331 if ((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == vs->segments)) {
1599
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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,
1600
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 6 hls->flags & HLS_SINGLE_FILE, vs->init_range_length, 0);
1601 }
1602
1603 662 ret = ff_hls_write_file_entry(byterange_mode ? hls->m3u8_out : vs->out, en->discont, byterange_mode,
1604 331 en->duration, hls->flags & HLS_ROUND_DURATIONS,
1605 331 en->size, en->pos, hls->baseurl,
1606
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 331 en->filename,
1607 331 en->discont_program_date_time ? &en->discont_program_date_time : prog_date_time_p,
1608
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 331 en->keyframe_size, en->keyframe_pos, hls->flags & HLS_I_FRAMES_ONLY);
1609
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 331 if (en->discont_program_date_time)
1610 ✗ en->discont_program_date_time -= en->duration;
1611
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 331 if (ret < 0) {
1612 ✗ av_log(s, AV_LOG_WARNING, "ff_hls_write_file_entry get error\n");
1613 }
1614 }
1615
1616
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 90 if (last && (hls->flags & HLS_OMIT_ENDLIST)==0)
1617
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 16 ff_hls_write_end_list(byterange_mode ? hls->m3u8_out : vs->out);
1618
1619
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 90 if (vs->vtt_m3u8_name) {
1620 ✗ set_http_options(vs->vtt_avf, &options, hls);
1621 ✗ snprintf(temp_vtt_filename, sizeof(temp_vtt_filename), use_temp_file ? "%s.tmp" : "%s", vs->vtt_m3u8_name);
1622 ✗ ret = hlsenc_io_open(s, &hls->sub_m3u8_out, temp_vtt_filename, &options);
1623 ✗ av_dict_free(&options);
1624 ✗ if (ret < 0) {
1625 ✗ goto fail;
1626 }
1627 ✗ ff_hls_write_playlist_header(hls->sub_m3u8_out, hls->version, hls->allowcache,
1628 target_duration, sequence, PLAYLIST_TYPE_NONE, 0);
1629 ✗ for (en = vs->segments; en; en = en->next) {
1630 ✗ ret = ff_hls_write_file_entry(hls->sub_m3u8_out, en->discont, byterange_mode,
1631 en->duration, 0, en->size, en->pos,
1632 ✗ hls->baseurl, en->sub_filename, NULL, 0, 0, 0);
1633 ✗ if (ret < 0) {
1634 ✗ av_log(s, AV_LOG_WARNING, "ff_hls_write_file_entry get error\n");
1635 }
1636 }
1637
1638 ✗ if (last && !(hls->flags & HLS_OMIT_ENDLIST))
1639 ✗ ff_hls_write_end_list(hls->sub_m3u8_out);
1640
1641 }
1642
1643 90 fail:
1644 90 av_dict_free(&options);
1645
2/2
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 90 ret = hlsenc_io_close(s, byterange_mode ? &hls->m3u8_out : &vs->out, temp_filename);
1646
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 90 if (ret < 0) {
1647 ✗ return ret;
1648 }
1649 90 hlsenc_io_close(s, &hls->sub_m3u8_out, vs->vtt_m3u8_name);
1650
2/2
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 90 if (use_temp_file) {
1651 89 ff_rename(temp_filename, vs->m3u8_name, s);
1652
1/2
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 89 if (vs->vtt_m3u8_name)
1653 ✗ ff_rename(temp_vtt_filename, vs->vtt_m3u8_name, s);
1654 }
1655
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 90 if (ret >= 0 && hls->master_pl_name)
1656 ✗ if (create_master_playlist(s, vs, last) < 0)
1657 ✗ av_log(s, AV_LOG_WARNING, "Master playlist creation failed\n");
1658
1659 90 return ret;
1660 }
1661
1662 77 static int hls_start(AVFormatContext *s, VariantStream *vs)
1663 {
1664 77 HLSContext *c = s->priv_data;
1665 77 AVFormatContext *oc = vs->avf;
1666 77 AVFormatContext *vtt_oc = vs->vtt_avf;
1667 77 AVDictionary *options = NULL;
1668 77 const char *proto = NULL;
1669 77 int use_temp_file = 0;
1670 char iv_string[KEYSIZE*2 + 1];
1671 77 int err = 0;
1672
1673
2/2
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 77 if (c->flags & HLS_SINGLE_FILE) {
1674 1 char *new_name = av_strdup(vs->basename);
1675
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 1 if (!new_name)
1676 ✗ return AVERROR(ENOMEM);
1677 1 ff_format_set_url(oc, new_name);
1678
1/2
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 1 if (vs->vtt_basename) {
1679 ✗ new_name = av_strdup(vs->vtt_basename);
1680 ✗ if (!new_name)
1681 ✗ return AVERROR(ENOMEM);
1682 ✗ ff_format_set_url(vtt_oc, new_name);
1683 }
1684
2/2
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 76 } else if (c->max_seg_size > 0) {
1685 4 char *filename = NULL;
1686
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 4 if (replace_int_data_in_filename(&filename,
1687 4 vs->basename, 'd', vs->sequence) < 1) {
1688 ✗ av_freep(&filename);
1689 ✗ av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s', you can try to use -strftime 1 with it\n", vs->basename);
1690 ✗ return AVERROR(EINVAL);
1691 }
1692 4 ff_format_set_url(oc, filename);
1693 } else {
1694
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 72 if (c->use_localtime) {
1695 int r;
1696 ✗ char *expanded = NULL;
1697
1698 ✗ r = strftime_expand(vs->basename, &expanded);
1699 ✗ if (r < 0) {
1700 ✗ av_log(oc, AV_LOG_ERROR, "Could not get segment filename with strftime\n");
1701 ✗ return r;
1702 }
1703 ✗ ff_format_set_url(oc, expanded);
1704
1705 ✗ err = sls_flag_use_localtime_filename(oc, c, vs);
1706 ✗ if (err < 0) {
1707 ✗ return AVERROR(ENOMEM);
1708 }
1709
1710 ✗ if (c->use_localtime_mkdir) {
1711 const char *dir;
1712 ✗ char *fn_copy = av_strdup(oc->url);
1713 ✗ if (!fn_copy)
1714 ✗ return AVERROR(ENOMEM);
1715 ✗ dir = av_dirname(fn_copy);
1716 ✗ if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
1717 ✗ av_log(oc, AV_LOG_ERROR, "Could not create directory %s with use_localtime_mkdir\n", dir);
1718 ✗ av_freep(&fn_copy);
1719 ✗ return AVERROR(errno);
1720 }
1721 ✗ av_freep(&fn_copy);
1722 }
1723 } else {
1724 72 char *filename = NULL;
1725
1/2
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 72 if (replace_int_data_in_filename(&filename,
1726 72 vs->basename, 'd', vs->sequence) < 1) {
1727 ✗ av_freep(&filename);
1728 ✗ av_log(oc, AV_LOG_ERROR, "Invalid segment filename template '%s' you can try to use -strftime 1 with it\n", vs->basename);
1729 ✗ return AVERROR(EINVAL);
1730 }
1731 72 ff_format_set_url(oc, filename);
1732 }
1733
1/2
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 72 if (vs->vtt_basename) {
1734 ✗ char *filename = NULL;
1735 ✗ if (replace_int_data_in_filename(&filename,
1736 ✗ vs->vtt_basename, 'd', vs->sequence) < 1) {
1737 ✗ av_freep(&filename);
1738 ✗ av_log(vtt_oc, AV_LOG_ERROR, "Invalid segment filename template '%s'\n", vs->vtt_basename);
1739 ✗ return AVERROR(EINVAL);
1740 }
1741 ✗ ff_format_set_url(vtt_oc, filename);
1742 }
1743 }
1744
1745 77 proto = avio_find_protocol_name(oc->url);
1746
3/6
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 77 use_temp_file = proto && !strcmp(proto, "file") && (c->flags & HLS_TEMP_FILE);
1747
1748
1/2
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 77 if (use_temp_file) {
1749 ✗ char *new_name = av_asprintf("%s.tmp", oc->url);
1750 ✗ if (!new_name)
1751 ✗ return AVERROR(ENOMEM);
1752 ✗ ff_format_set_url(oc, new_name);
1753 }
1754
1755
2/4
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 77 if (c->key_info_file || c->encrypt) {
1756 ✗ if (c->segment_type == SEGMENT_TYPE_FMP4) {
1757 ✗ av_log(s, AV_LOG_ERROR, "Encrypted fmp4 not yet supported\n");
1758 ✗ return AVERROR_PATCHWELCOME;
1759 }
1760
1761 ✗ if (c->key_info_file && c->encrypt) {
1762 ✗ av_log(s, AV_LOG_WARNING, "Cannot use both -hls_key_info_file and -hls_enc,"
1763 " ignoring -hls_enc\n");
1764 }
1765
1766 ✗ if (!vs->encrypt_started || (c->flags & HLS_PERIODIC_REKEY)) {
1767 ✗ if (c->key_info_file) {
1768 ✗ if ((err = hls_encryption_start(s, vs)) < 0)
1769 ✗ goto fail;
1770 } else {
1771 ✗ if (!c->encrypt_started) {
1772 ✗ if ((err = do_encrypt(s, vs)) < 0)
1773 ✗ goto fail;
1774 ✗ c->encrypt_started = 1;
1775 }
1776 ✗ av_strlcpy(vs->key_uri, c->key_uri, sizeof(vs->key_uri));
1777 ✗ av_strlcpy(vs->key_string, c->key_string, sizeof(vs->key_string));
1778 ✗ av_strlcpy(vs->iv_string, c->iv_string, sizeof(vs->iv_string));
1779 }
1780 ✗ vs->encrypt_started = 1;
1781 }
1782 ✗ err = av_strlcpy(iv_string, vs->iv_string, sizeof(iv_string));
1783 ✗ if (!err) {
1784 ✗ snprintf(iv_string, sizeof(iv_string), "%032"PRIx64, vs->sequence);
1785 ✗ memset(vs->iv_string, 0, sizeof(vs->iv_string));
1786 ✗ memcpy(vs->iv_string, iv_string, sizeof(iv_string));
1787 }
1788 }
1789
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 77 if (c->segment_type != SEGMENT_TYPE_FMP4) {
1790
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 71 if (oc->oformat->priv_class && oc->priv_data) {
1791 71 av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
1792 }
1793
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 71 if (c->flags & HLS_SINGLE_FILE) {
1794
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 1 if (c->key_info_file || c->encrypt) {
1795 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
1796 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
1797
1798 /* Write temp file with cryption content */
1799 ✗ av_freep(&vs->basename_tmp);
1800 ✗ vs->basename_tmp = av_asprintf("crypto:%s.tmp", oc->url);
1801
1802 /* append temp file content into single file */
1803 ✗ av_freep(&vs->basename);
1804 ✗ vs->basename = av_asprintf("%s", oc->url);
1805 } else {
1806 1 vs->basename_tmp = vs->basename;
1807 }
1808 1 set_http_options(s, &options, c);
1809
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 1 if (!vs->out_single_file)
1810
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 1 if ((err = hlsenc_io_open(s, &vs->out_single_file, vs->basename, &options)) < 0) {
1811 ✗ if (c->ignore_io_errors)
1812 ✗ err = 0;
1813 ✗ goto fail;
1814 }
1815
1816
1/2
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 1 if ((err = hlsenc_io_open(s, &vs->out, vs->basename_tmp, &options)) < 0) {
1817 ✗ if (c->ignore_io_errors)
1818 ✗ err = 0;
1819 ✗ goto fail;
1820 }
1821
1822 }
1823 }
1824
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 77 if (vs->vtt_basename) {
1825 ✗ set_http_options(s, &options, c);
1826 ✗ if ((err = hlsenc_io_open(s, &vtt_oc->pb, vtt_oc->url, &options)) < 0) {
1827 ✗ if (c->ignore_io_errors)
1828 ✗ err = 0;
1829 ✗ goto fail;
1830 }
1831 }
1832 77 av_dict_free(&options);
1833
1834
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 77 if (vs->vtt_basename) {
1835 ✗ err = avformat_write_header(vtt_oc,NULL);
1836 ✗ if (err < 0)
1837 ✗ return err;
1838 }
1839
1840 77 return 0;
1841 ✗ fail:
1842 ✗ av_dict_free(&options);
1843
1844 ✗ return err;
1845 }
1846
1847 ✗ static const char * get_default_pattern_localtime_fmt(AVFormatContext *s)
1848 {
1849 ✗ HLSContext *hls = s->priv_data;
1850 #if HAVE_LIBC_MSVCRT
1851 // no %s support on MSVC, which invokes the invalid parameter handler
1852 // on unsupported format strings, instead of returning an error
1853 int strftime_s_supported = 0;
1854 #else
1855 char b[21];
1856 ✗ time_t t = time(NULL);
1857 ✗ struct tm tmbuf, *p = localtime_r(&t, &tmbuf);
1858 // no %s support when strftime returned error or left format string unchanged
1859 ✗ int strftime_s_supported = strftime(b, sizeof(b), "%s", p) && strcmp(b, "%s");
1860 #endif
1861
1862 ✗ if (hls->segment_type == SEGMENT_TYPE_FMP4) {
1863 ✗ return strftime_s_supported ? "-%s.m4s" : "-%Y%m%d%H%M%S.m4s";
1864 }
1865 ✗ return strftime_s_supported ? "-%s.ts" : "-%Y%m%d%H%M%S.ts";
1866 }
1867
1868 ✗ static int append_postfix(char *name, int name_buf_len, int i)
1869 {
1870 char *p;
1871 ✗ char extension[10] = {'\0'};
1872
1873 ✗ p = strrchr(name, '.');
1874 ✗ if (p) {
1875 ✗ av_strlcpy(extension, p, sizeof(extension));
1876 ✗ *p = '\0';
1877 }
1878
1879 ✗ snprintf(name + strlen(name), name_buf_len - strlen(name), POSTFIX_PATTERN, i);
1880
1881 ✗ if (strlen(extension))
1882 ✗ av_strlcat(name, extension, name_buf_len);
1883
1884 ✗ return 0;
1885 }
1886
1887 39 static int validate_name(int nb_vs, const char *fn)
1888 {
1889 const char *filename, *subdir_name;
1890 39 char *fn_dup = NULL;
1891 39 int ret = 0;
1892
1893
1/2
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 39 if (!fn)
1894 ✗ return AVERROR(EINVAL);
1895
1896 39 fn_dup = av_strdup(fn);
1897
1/2
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 39 if (!fn_dup)
1898 ✗ return AVERROR(ENOMEM);
1899 39 filename = av_basename(fn);
1900 39 subdir_name = av_dirname(fn_dup);
1901
1902
1/6
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 39 if (nb_vs > 1 && !av_stristr(filename, "%v") && !av_stristr(subdir_name, "%v")) {
1903 ✗ av_log(NULL, AV_LOG_ERROR, "More than 1 variant streams are present, %%v is expected "
1904 "either in the filename or in the sub-directory name of file %s\n", fn);
1905 ✗ ret = AVERROR(EINVAL);
1906 ✗ goto fail;
1907 }
1908
1909
1/4
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 39 if (av_stristr(filename, "%v") && av_stristr(subdir_name, "%v")) {
1910 ✗ av_log(NULL, AV_LOG_ERROR, "%%v is expected either in the filename or "
1911 "in the sub-directory name of file %s, but only in one of them\n", fn);
1912 ✗ ret = AVERROR(EINVAL);
1913 ✗ goto fail;
1914 }
1915
1916 39 fail:
1917 39 av_freep(&fn_dup);
1918 39 return ret;
1919 }
1920
1921 36 static int format_name(const char *buf, char **s, int index, const char *varname)
1922 {
1923 const char *proto, *dir;
1924 36 char *orig_buf_dup = NULL, *mod_buf_dup = NULL;
1925 36 int ret = 0;
1926
1927 36 orig_buf_dup = av_strdup(buf);
1928
1/2
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 36 if (!orig_buf_dup)
1929 ✗ return AVERROR(ENOMEM);
1930
1931
1/2
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 36 if (!av_stristr(buf, "%v")) {
1932 36 *s = orig_buf_dup;
1933 36 return 0;
1934 }
1935
1936 ✗ if (!varname) {
1937 ✗ if (replace_int_data_in_filename(s, orig_buf_dup, 'v', index) < 1) {
1938 ✗ ret = AVERROR(EINVAL);
1939 ✗ goto fail;
1940 }
1941 } else {
1942 ✗ if (replace_str_data_in_filename(s, orig_buf_dup, 'v', varname) < 1) {
1943 ✗ ret = AVERROR(EINVAL);
1944 ✗ goto fail;
1945 }
1946 }
1947
1948 ✗ proto = avio_find_protocol_name(orig_buf_dup);
1949 ✗ dir = av_dirname(orig_buf_dup);
1950
1951 /* if %v is present in the file's directory, create sub-directory */
1952 ✗ if (av_stristr(dir, "%v") && proto && !strcmp(proto, "file")) {
1953 ✗ mod_buf_dup = av_strdup(*s);
1954 ✗ dir = av_dirname(mod_buf_dup);
1955 ✗ if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
1956 ✗ ret = AVERROR(errno);
1957 ✗ goto fail;
1958 }
1959 }
1960
1961 ✗ fail:
1962 ✗ av_freep(&orig_buf_dup);
1963 ✗ av_freep(&mod_buf_dup);
1964 ✗ return ret;
1965 }
1966
1967 ✗ static int get_nth_codec_stream_index(AVFormatContext *s,
1968 enum AVMediaType codec_type,
1969 int64_t stream_id)
1970 {
1971 unsigned int stream_index, cnt;
1972 ✗ if (stream_id < 0 || stream_id > s->nb_streams - 1)
1973 ✗ return -1;
1974 ✗ cnt = 0;
1975 ✗ for (stream_index = 0; stream_index < s->nb_streams; stream_index++) {
1976 ✗ if (s->streams[stream_index]->codecpar->codec_type != codec_type)
1977 ✗ continue;
1978 ✗ if (cnt == stream_id)
1979 ✗ return stream_index;
1980 ✗ cnt++;
1981 }
1982 ✗ return -1;
1983 }
1984
1985 ✗ static int parse_variant_stream_mapstring(AVFormatContext *s)
1986 {
1987 ✗ HLSContext *hls = s->priv_data;
1988 VariantStream *vs;
1989 int stream_index, i, j;
1990 enum AVMediaType codec_type;
1991 ✗ int nb_varstreams = 0, nb_streams;
1992 char *p, *q, *saveptr1, *saveptr2, *varstr, *keyval;
1993 const char *val;
1994
1995 /**
1996 * Expected format for var_stream_map string is as below:
1997 * "a:0,v:0 a:1,v:1"
1998 * "a:0,agroup:a0,default:1,language:ENG a:1,agroup:a1,default:0 v:0,agroup:a0 v:1,agroup:a1"
1999 * This string specifies how to group the audio, video and subtitle streams
2000 * into different variant streams. The variant stream groups are separated
2001 * by space.
2002 *
2003 * a:, v:, s: are keys to specify audio, video and subtitle streams
2004 * respectively. Allowed values are 0 to 9 digits (limited just based on
2005 * practical usage)
2006 *
2007 * agroup: is key to specify audio group. A string can be given as value.
2008 * sgroup: is key to specify subtitle group. A string can be given as value.
2009 */
2010 ✗ p = av_strdup(hls->var_stream_map);
2011 ✗ if (!p)
2012 ✗ return AVERROR(ENOMEM);
2013
2014 ✗ q = p;
2015 ✗ while (av_strtok(q, " \t", &saveptr1)) {
2016 ✗ q = NULL;
2017 ✗ nb_varstreams++;
2018 }
2019 ✗ av_freep(&p);
2020
2021 ✗ hls->var_streams = av_mallocz(sizeof(*hls->var_streams) * nb_varstreams);
2022 ✗ if (!hls->var_streams)
2023 ✗ return AVERROR(ENOMEM);
2024 ✗ hls->nb_varstreams = nb_varstreams;
2025
2026 ✗ p = hls->var_stream_map;
2027 ✗ nb_varstreams = 0;
2028 ✗ while (varstr = av_strtok(p, " \t", &saveptr1)) {
2029 ✗ p = NULL;
2030
2031 ✗ if (nb_varstreams < hls->nb_varstreams) {
2032 ✗ vs = &(hls->var_streams[nb_varstreams]);
2033 ✗ vs->var_stream_idx = nb_varstreams;
2034 ✗ vs->is_default = 0;
2035 ✗ nb_varstreams++;
2036 } else
2037 ✗ return AVERROR(EINVAL);
2038
2039 ✗ q = varstr;
2040 while (1) {
2041 ✗ if (!av_strncasecmp(q, "a:", 2) || !av_strncasecmp(q, "v:", 2) ||
2042 ✗ !av_strncasecmp(q, "s:", 2))
2043 ✗ vs->nb_streams++;
2044 ✗ q = strchr(q, ',');
2045 ✗ if (!q)
2046 ✗ break;
2047 ✗ q++;
2048 }
2049 ✗ vs->streams = av_mallocz(sizeof(AVStream *) * vs->nb_streams);
2050 ✗ if (!vs->streams)
2051 ✗ return AVERROR(ENOMEM);
2052
2053 ✗ nb_streams = 0;
2054 ✗ while (keyval = av_strtok(varstr, ",", &saveptr2)) {
2055 int64_t num;
2056 char *end;
2057 ✗ varstr = NULL;
2058 ✗ if (av_strstart(keyval, "language:", &val)) {
2059 ✗ vs->language = val;
2060 ✗ continue;
2061 ✗ } else if (av_strstart(keyval, "default:", &val)) {
2062 ✗ vs->is_default = (!av_strncasecmp(val, "YES", strlen("YES")) ||
2063 ✗ (!av_strncasecmp(val, "1", strlen("1"))));
2064 ✗ hls->has_default_key = 1;
2065 ✗ continue;
2066 ✗ } else if (av_strstart(keyval, "name:", &val)) {
2067 ✗ vs->varname = val;
2068 ✗ continue;
2069 ✗ } else if (av_strstart(keyval, "sname:", &val)) {
2070 ✗ vs->subtitle_varname = val;
2071 ✗ continue;
2072 ✗ } else if (av_strstart(keyval, "agroup:", &val)) {
2073 ✗ vs->agroup = val;
2074 ✗ continue;
2075 ✗ } else if (av_strstart(keyval, "sgroup:", &val)) {
2076 ✗ vs->sgroup = val;
2077 ✗ continue;
2078 ✗ } else if (av_strstart(keyval, "ccgroup:", &val)) {
2079 ✗ vs->ccgroup = val;
2080 ✗ continue;
2081 ✗ } else if (av_strstart(keyval, "v:", &val)) {
2082 ✗ codec_type = AVMEDIA_TYPE_VIDEO;
2083 ✗ hls->has_video_m3u8 = 1;
2084 ✗ } else if (av_strstart(keyval, "a:", &val)) {
2085 ✗ codec_type = AVMEDIA_TYPE_AUDIO;
2086 ✗ } else if (av_strstart(keyval, "s:", &val)) {
2087 ✗ codec_type = AVMEDIA_TYPE_SUBTITLE;
2088 } else {
2089 ✗ av_log(s, AV_LOG_ERROR, "Invalid keyval %s\n", keyval);
2090 ✗ return AVERROR(EINVAL);
2091 }
2092
2093 ✗ num = strtoll(val, &end, 10);
2094 ✗ if (!av_isdigit(*val) || *end != '\0') {
2095 ✗ av_log(s, AV_LOG_ERROR, "Invalid stream number: '%s'\n", val);
2096 ✗ return AVERROR(EINVAL);
2097 }
2098 ✗ stream_index = get_nth_codec_stream_index(s, codec_type, num);
2099
2100 ✗ if (stream_index >= 0 && nb_streams < vs->nb_streams) {
2101 ✗ for (i = 0; nb_streams > 0 && i < nb_streams; i++) {
2102 ✗ if (vs->streams[i] == s->streams[stream_index]) {
2103 ✗ av_log(s, AV_LOG_ERROR, "Same elementary stream found more than once inside "
2104 "variant definition #%d\n", nb_varstreams - 1);
2105 ✗ return AVERROR(EINVAL);
2106 }
2107 }
2108 ✗ for (j = 0; nb_varstreams > 1 && j < nb_varstreams - 1; j++) {
2109 ✗ for (i = 0; i < hls->var_streams[j].nb_streams; i++) {
2110 ✗ if (hls->var_streams[j].streams[i] == s->streams[stream_index]) {
2111 ✗ av_log(s, AV_LOG_ERROR, "Same elementary stream found more than once "
2112 "in two different variant definitions #%d and #%d\n",
2113 j, nb_varstreams - 1);
2114 ✗ return AVERROR(EINVAL);
2115 }
2116 }
2117 }
2118 ✗ vs->streams[nb_streams++] = s->streams[stream_index];
2119 } else {
2120 ✗ av_log(s, AV_LOG_ERROR, "Unable to map stream at %s\n", keyval);
2121 ✗ return AVERROR(EINVAL);
2122 }
2123 }
2124 }
2125 ✗ av_log(s, AV_LOG_DEBUG, "Number of variant streams %d\n",
2126 hls->nb_varstreams);
2127
2128 ✗ return 0;
2129 }
2130
2131 ✗ static int parse_cc_stream_mapstring(AVFormatContext *s)
2132 {
2133 ✗ HLSContext *hls = s->priv_data;
2134 ✗ int nb_ccstreams = 0;
2135 char *p, *q, *ccstr, *keyval;
2136 ✗ char *saveptr1 = NULL, *saveptr2 = NULL;
2137 const char *val;
2138 ClosedCaptionsStream *ccs;
2139
2140 ✗ p = av_strdup(hls->cc_stream_map);
2141 ✗ if(!p)
2142 ✗ return AVERROR(ENOMEM);
2143
2144 ✗ q = p;
2145 ✗ while (av_strtok(q, " \t", &saveptr1)) {
2146 ✗ q = NULL;
2147 ✗ nb_ccstreams++;
2148 }
2149 ✗ av_freep(&p);
2150
2151 ✗ hls->cc_streams = av_mallocz(sizeof(*hls->cc_streams) * nb_ccstreams);
2152 ✗ if (!hls->cc_streams)
2153 ✗ return AVERROR(ENOMEM);
2154 ✗ hls->nb_ccstreams = nb_ccstreams;
2155
2156 ✗ p = hls->cc_stream_map;
2157 ✗ nb_ccstreams = 0;
2158 ✗ while (ccstr = av_strtok(p, " \t", &saveptr1)) {
2159 ✗ p = NULL;
2160
2161 ✗ if (nb_ccstreams < hls->nb_ccstreams)
2162 ✗ ccs = &(hls->cc_streams[nb_ccstreams++]);
2163 else
2164 ✗ return AVERROR(EINVAL);
2165
2166 ✗ while (keyval = av_strtok(ccstr, ",", &saveptr2)) {
2167 ✗ ccstr = NULL;
2168
2169 ✗ if (av_strstart(keyval, "ccgroup:", &val)) {
2170 ✗ ccs->ccgroup = val;
2171 ✗ } else if (av_strstart(keyval, "instreamid:", &val)) {
2172 ✗ ccs->instreamid = val;
2173 ✗ } else if (av_strstart(keyval, "language:", &val)) {
2174 ✗ ccs->language = val;
2175 } else {
2176 ✗ av_log(s, AV_LOG_ERROR, "Invalid keyval %s\n", keyval);
2177 ✗ return AVERROR(EINVAL);
2178 }
2179 }
2180
2181 ✗ if (!ccs->ccgroup || !ccs->instreamid) {
2182 ✗ av_log(s, AV_LOG_ERROR, "Insufficient parameters in cc stream map string\n");
2183 ✗ return AVERROR(EINVAL);
2184 }
2185
2186 ✗ if (av_strstart(ccs->instreamid, "CC", &val)) {
2187 ✗ if (atoi(val) < 1 || atoi(val) > 4) {
2188 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID CC index %d in %s, range 1-4\n",
2189 atoi(val), ccs->instreamid);
2190 ✗ return AVERROR(EINVAL);
2191 }
2192 ✗ } else if (av_strstart(ccs->instreamid, "SERVICE", &val)) {
2193 ✗ if (atoi(val) < 1 || atoi(val) > 63) {
2194 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID SERVICE index %d in %s, range 1-63 \n",
2195 atoi(val), ccs->instreamid);
2196 ✗ return AVERROR(EINVAL);
2197 }
2198 } else {
2199 ✗ av_log(s, AV_LOG_ERROR, "Invalid instream ID %s, supported are CCn or SERVICEn\n",
2200 ccs->instreamid);
2201 ✗ return AVERROR(EINVAL);
2202 }
2203 }
2204
2205 ✗ return 0;
2206 }
2207
2208 18 static int update_variant_stream_info(AVFormatContext *s)
2209 {
2210 18 HLSContext *hls = s->priv_data;
2211 unsigned int i;
2212 18 int ret = 0;
2213
2214
1/2
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 18 if (hls->cc_stream_map) {
2215 ✗ ret = parse_cc_stream_mapstring(s);
2216 ✗ if (ret < 0)
2217 ✗ return ret;
2218 }
2219
2220
1/2
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✓ Branch 1 taken 18 times.
 18 if (hls->var_stream_map) {
2221 ✗ return parse_variant_stream_mapstring(s);
2222 } else {
2223 //By default, a single variant stream with all the codec streams is created
2224 18 hls->var_streams = av_mallocz(sizeof(*hls->var_streams));
2225
1/2
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 18 if (!hls->var_streams)
2226 ✗ return AVERROR(ENOMEM);
2227 18 hls->nb_varstreams = 1;
2228
2229 18 hls->var_streams[0].var_stream_idx = 0;
2230 18 hls->var_streams[0].nb_streams = s->nb_streams;
2231 36 hls->var_streams[0].streams = av_mallocz(sizeof(AVStream *) *
2232 18 hls->var_streams[0].nb_streams);
2233
1/2
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 18 if (!hls->var_streams[0].streams)
2234 ✗ return AVERROR(ENOMEM);
2235
2236 //by default, the first available ccgroup is mapped to the variant stream
2237
1/2
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✓ Branch 1 taken 18 times.
 18 if (hls->nb_ccstreams)
2238 ✗ hls->var_streams[0].ccgroup = hls->cc_streams[0].ccgroup;
2239
2240
2/2
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✓ Branch 1 taken 18 times.
 36 for (i = 0; i < s->nb_streams; i++)
2241 18 hls->var_streams[0].streams[i] = s->streams[i];
2242 }
2243 18 return 0;
2244 }
2245
2246 ✗ static int update_master_pl_info(AVFormatContext *s)
2247 {
2248 ✗ HLSContext *hls = s->priv_data;
2249 const char *dir;
2250 ✗ char *fn1= NULL, *fn2 = NULL;
2251 ✗ int ret = 0;
2252
2253 ✗ fn1 = av_strdup(s->url);
2254 ✗ if (!fn1)
2255 ✗ return AVERROR(ENOMEM);
2256 ✗ dir = av_dirname(fn1);
2257
2258 /**
2259 * if output file's directory has %v, variants are created in sub-directories
2260 * then master is created at the sub-directories level
2261 */
2262 ✗ if (dir && av_stristr(av_basename(dir), "%v")) {
2263 ✗ fn2 = av_strdup(dir);
2264 ✗ if (!fn2) {
2265 ✗ ret = AVERROR(ENOMEM);
2266 ✗ goto fail;
2267 }
2268 ✗ dir = av_dirname(fn2);
2269 }
2270
2271 ✗ if (dir && strcmp(dir, "."))
2272 ✗ hls->master_m3u8_url = av_append_path_component(dir, hls->master_pl_name);
2273 else
2274 ✗ hls->master_m3u8_url = av_strdup(hls->master_pl_name);
2275
2276 ✗ if (!hls->master_m3u8_url) {
2277 ✗ ret = AVERROR(ENOMEM);
2278 ✗ goto fail;
2279 }
2280
2281 ✗ fail:
2282 ✗ av_freep(&fn1);
2283 ✗ av_freep(&fn2);
2284
2285 ✗ return ret;
2286 }
2287
2288 18 static int hls_write_header(AVFormatContext *s)
2289 {
2290 18 HLSContext *hls = s->priv_data;
2291 int ret, i, j;
2292 18 VariantStream *vs = NULL;
2293
2294
2/2
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✓ Branch 1 taken 18 times.
 36 for (i = 0; i < hls->nb_varstreams; i++) {
2295 18 int subtitle_streams = 0;
2296 18 vs = &hls->var_streams[i];
2297
2298 18 ret = avformat_write_header(vs->avf, NULL);
2299
1/2
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 18 if (ret < 0)
2300 ✗ return ret;
2301 //av_assert0(s->nb_streams == hls->avf->nb_streams);
2302
2/2
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 36 for (j = 0; j < vs->nb_streams; j++) {
2303 AVStream *inner_st;
2304 18 AVStream *outer_st = vs->streams[j];
2305
2306
2/2
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 18 if (hls->max_seg_size > 0) {
2307
1/2
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 1 if ((outer_st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) &&
2308 ✗ (outer_st->codecpar->bit_rate > hls->max_seg_size)) {
2309 ✗ av_log(s, AV_LOG_WARNING, "Your video bitrate is bigger than hls_segment_size, "
2310 "(%"PRId64 " > %"PRId64 "), the result maybe not be what you want.",
2311 ✗ outer_st->codecpar->bit_rate, hls->max_seg_size);
2312 }
2313 }
2314
2315
1/2
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✗ Branch 1 not taken.
 18 if (outer_st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE)
2316 18 inner_st = vs->avf->streams[j - subtitle_streams];
2317 ✗ else if (vs->vtt_avf) {
2318 ✗ inner_st = vs->vtt_avf->streams[0];
2319 ✗ subtitle_streams++;
2320 } else {
2321 /* We have a subtitle stream, when the user does not want one */
2322 ✗ inner_st = NULL;
2323 ✗ continue;
2324 }
2325 18 avpriv_set_pts_info(outer_st, inner_st->pts_wrap_bits, inner_st->time_base.num, inner_st->time_base.den);
2326
1/2
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✓ Branch 1 taken 18 times.
 18 if (outer_st->codecpar->codec_id == AV_CODEC_ID_HEVC &&
2327 ✗ outer_st->codecpar->codec_tag != MKTAG('h','v','c','1')) {
2328 ✗ av_log(s, AV_LOG_WARNING, "Stream HEVC is not hvc1, you should use tag:v hvc1 to set it.\n");
2329 }
2330 18 write_codec_attr(outer_st, vs);
2331
2332 }
2333 /* Update the Codec Attr string for the mapped audio groups */
2334
3/4
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✓ Branch 1 taken 12 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 6 times.
 18 if (vs->has_video && vs->agroup) {
2335 ✗ for (j = 0; j < hls->nb_varstreams; j++) {
2336 ✗ VariantStream *vs_agroup = &(hls->var_streams[j]);
2337 ✗ if (!vs_agroup->has_video && !vs_agroup->has_subtitle &&
2338 ✗ vs_agroup->agroup &&
2339 ✗ !av_strcasecmp(vs_agroup->agroup, vs->agroup)) {
2340 ✗ write_codec_attr(vs_agroup->streams[0], vs);
2341 }
2342 }
2343 }
2344 }
2345
2346 18 return 0;
2347 }
2348
2349 ✗ static int hls_init_file_resend(AVFormatContext *s, VariantStream *vs)
2350 {
2351 ✗ HLSContext *hls = s->priv_data;
2352 ✗ AVDictionary *options = NULL;
2353 ✗ int ret = 0;
2354
2355 ✗ set_http_options(s, &options, hls);
2356 ✗ ret = hlsenc_io_open(s, &vs->out, vs->base_output_dirname, &options);
2357 ✗ av_dict_free(&options);
2358 ✗ if (ret < 0)
2359 ✗ return ret;
2360 ✗ avio_write(vs->out, vs->init_buffer, vs->init_range_length);
2361 ✗ hlsenc_io_close(s, &vs->out, hls->fmp4_init_filename);
2362
2363 ✗ return ret;
2364 }
2365
2366 ✗ static int64_t append_single_file(AVFormatContext *s, VariantStream *vs)
2367 {
2368 ✗ int64_t ret = 0;
2369 ✗ int64_t read_byte = 0;
2370 ✗ int64_t total_size = 0;
2371 ✗ char *filename = NULL;
2372 char buf[BUFSIZE];
2373 ✗ AVFormatContext *oc = vs->avf;
2374
2375 ✗ hlsenc_io_close(s, &vs->out, vs->basename_tmp);
2376 ✗ filename = av_asprintf("%s.tmp", oc->url);
2377 ✗ ret = s->io_open(s, &vs->out, filename, AVIO_FLAG_READ, NULL);
2378 ✗ if (ret < 0) {
2379 ✗ av_free(filename);
2380 ✗ return ret;
2381 }
2382
2383 do {
2384 ✗ read_byte = avio_read(vs->out, buf, BUFSIZE);
2385 ✗ if (read_byte > 0) {
2386 ✗ avio_write(vs->out_single_file, buf, read_byte);
2387 ✗ total_size += read_byte;
2388 ✗ ret = total_size;
2389 }
2390 ✗ } while (read_byte > 0);
2391
2392 ✗ hlsenc_io_close(s, &vs->out, filename);
2393 ✗ av_free(filename);
2394
2395 ✗ return ret;
2396 }
2397 7084 static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
2398 {
2399 7084 HLSContext *hls = s->priv_data;
2400 7084 AVFormatContext *oc = NULL;
2401 7084 AVStream *st = s->streams[pkt->stream_index];
2402 7084 int64_t end_pts = 0;
2403 7084 int is_ref_pkt = 1;
2404 7084 int ret = 0, can_split = 1, i, j;
2405 7084 int stream_index = 0;
2406 7084 int range_length = 0;
2407 7084 const char *proto = NULL;
2408 7084 int use_temp_file = 0;
2409 7084 VariantStream *vs = NULL;
2410 7084 char *old_filename = NULL;
2411
2412
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 7084 for (i = 0; i < hls->nb_varstreams; i++) {
2413 7084 int subtitle_streams = 0;
2414 7084 vs = &hls->var_streams[i];
2415
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 7084 for (j = 0; j < vs->nb_streams; j++) {
2416
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 7084 if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2417 ✗ subtitle_streams++;
2418 }
2419
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 7084 if (vs->streams[j] == st) {
2420
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 7084 if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2421 ✗ oc = vs->vtt_avf;
2422 ✗ stream_index = 0;
2423 } else {
2424 7084 oc = vs->avf;
2425 7084 stream_index = j - subtitle_streams;
2426 }
2427 7084 break;
2428 }
2429 }
2430
2431
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 7084 if (oc)
2432 7084 break;
2433 }
2434
2435
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 7084 if (!oc) {
2436 ✗ av_log(s, AV_LOG_ERROR, "Unable to find mapping variant stream\n");
2437 ✗ return AVERROR(ENOMEM);
2438 }
2439
2440 7084 end_pts = hls->recording_time * vs->number;
2441
2442
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 7084 if (vs->sequence - vs->nb_entries > hls->start_sequence && hls->init_time > 0) {
2443 /* reset end_pts, hls->recording_time at end of the init hls list */
2444 191 int64_t init_list_dur = hls->init_time * vs->nb_entries;
2445 191 int64_t after_init_list_dur = (vs->sequence - hls->start_sequence - vs->nb_entries) * hls->time;
2446 191 hls->recording_time = hls->time;
2447 191 end_pts = init_list_dur + after_init_list_dur ;
2448 }
2449
2450
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 7084 if (vs->start_pts == AV_NOPTS_VALUE) {
2451 18 vs->start_pts = pkt->pts;
2452
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 18 if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2453 12 vs->start_pts_from_audio = 1;
2454 }
2455
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 7084 if (vs->start_pts_from_audio && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && vs->start_pts > pkt->pts) {
2456 ✗ vs->start_pts = pkt->pts;
2457 ✗ vs->start_pts_from_audio = 0;
2458 }
2459
2460
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 7084 if (vs->has_video) {
2461
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 36 can_split = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2462
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 18 ((pkt->flags & AV_PKT_FLAG_KEY) || (hls->flags & HLS_SPLIT_BY_TIME));
2463
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 18 is_ref_pkt = (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && (pkt->stream_index == vs->reference_stream_index);
2464 }
2465
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 7084 if (pkt->pts == AV_NOPTS_VALUE)
2466 ✗ is_ref_pkt = can_split = 0;
2467
2468
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 7084 if (is_ref_pkt) {
2469
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 7084 if (vs->end_pts == AV_NOPTS_VALUE)
2470 18 vs->end_pts = pkt->pts;
2471
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 7084 if (vs->new_start) {
2472 18 vs->new_start = 0;
2473 18 vs->duration = (double)(pkt->pts - vs->end_pts)
2474 18 * st->time_base.num / st->time_base.den;
2475 18 vs->dpp = (double)(pkt->duration) * st->time_base.num / st->time_base.den;
2476 } else {
2477
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 7066 if (pkt->duration) {
2478 7066 vs->duration += (double)(pkt->duration) * st->time_base.num / st->time_base.den;
2479 } else {
2480 ✗ av_log(s, AV_LOG_WARNING, "Stream %d packet with pts %" PRId64 " has duration 0. The segment duration may not be precise.\n",
2481 pkt->stream_index, pkt->pts);
2482 ✗ vs->duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den;
2483 }
2484 }
2485 }
2486
2487
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 7084 can_split = can_split && (pkt->pts - vs->end_pts > 0);
2488
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 14150 if (vs->packets_written && can_split && av_compare_ts(pkt->pts - vs->start_pts, st->time_base,
2489 7066 end_pts, AV_TIME_BASE_Q) >= 0) {
2490 int64_t new_start_pos;
2491
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 74 int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
2492 double cur_duration;
2493
2494 74 av_write_frame(oc, NULL); /* Flush any buffered data */
2495 74 new_start_pos = avio_tell(oc->pb);
2496 74 vs->size = new_start_pos - vs->start_pos;
2497 74 avio_flush(oc->pb);
2498
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 74 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2499
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 4 if (!vs->init_range_length) {
2500 1 range_length = avio_close_dyn_buf(oc->pb, &vs->init_buffer);
2501
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 1 if (range_length <= 0)
2502 ✗ return AVERROR(EINVAL);
2503 1 avio_write(vs->out, vs->init_buffer, range_length);
2504
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 1 if (!hls->resend_init_file)
2505 1 av_freep(&vs->init_buffer);
2506 1 vs->init_range_length = range_length;
2507 1 avio_open_dyn_buf(&oc->pb);
2508 1 vs->packets_written = 0;
2509 1 vs->start_pos = range_length;
2510
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 1 if (!byterange_mode) {
2511 1 hlsenc_io_close(s, &vs->out, vs->base_output_dirname);
2512 }
2513 }
2514 }
2515
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 74 if (!byterange_mode) {
2516
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 56 if (vs->vtt_avf) {
2517 ✗ hlsenc_io_close(s, &vs->vtt_avf->pb, vs->vtt_avf->url);
2518 }
2519 }
2520
2521
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 74 if (hls->flags & HLS_SINGLE_FILE) {
2522 9 ret = flush_dynbuf(vs, &range_length);
2523 9 av_freep(&vs->temp_buffer);
2524
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 9 if (ret < 0) {
2525 ✗ return ret;
2526 }
2527 9 vs->size = range_length;
2528
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 9 if (hls->key_info_file || hls->encrypt)
2529 ✗ vs->size = append_single_file(s, vs);
2530 } else {
2531
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 65 if (oc->url[0]) {
2532 65 proto = avio_find_protocol_name(oc->url);
2533
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 130 use_temp_file = proto && !strcmp(proto, "file")
2534
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 130 && (hls->flags & HLS_TEMP_FILE);
2535 }
2536
2537
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 65 if ((hls->max_seg_size > 0 && (vs->size + vs->start_pos >= hls->max_seg_size)) || !byterange_mode) {
2538 59 AVDictionary *options = NULL;
2539 59 char *filename = NULL;
2540
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 59 if (hls->key_info_file || hls->encrypt) {
2541 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
2542 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
2543 ✗ filename = av_asprintf("crypto:%s", oc->url);
2544 } else {
2545 59 filename = av_asprintf("%s", oc->url);
2546 }
2547
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 59 if (!filename) {
2548 ✗ av_dict_free(&options);
2549 ✗ return AVERROR(ENOMEM);
2550 }
2551
2552 // look to rename the asset name
2553
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 59 if (use_temp_file)
2554 ✗ av_dict_set(&options, "mpegts_flags", "resend_headers", 0);
2555
2556 59 set_http_options(s, &options, hls);
2557
2558 59 ret = hlsenc_io_open(s, &vs->out, filename, &options);
2559
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 59 if (ret < 0) {
2560 ✗ av_log(s, hls->ignore_io_errors ? AV_LOG_WARNING : AV_LOG_ERROR,
2561 "Failed to open file '%s'\n", filename);
2562 ✗ av_freep(&filename);
2563 ✗ av_dict_free(&options);
2564 ✗ return hls->ignore_io_errors ? 0 : ret;
2565 }
2566
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 59 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2567 4 write_styp(vs->out);
2568 }
2569 59 ret = flush_dynbuf(vs, &range_length);
2570
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 59 if (ret < 0) {
2571 ✗ av_freep(&filename);
2572 ✗ av_dict_free(&options);
2573 ✗ return ret;
2574 }
2575 59 vs->size = range_length;
2576 59 ret = hlsenc_io_close(s, &vs->out, filename);
2577
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 59 if (ret < 0) {
2578 ✗ av_log(s, AV_LOG_WARNING, "upload segment failed,"
2579 " will retry with a new http session.\n");
2580 ✗ ff_format_io_close(s, &vs->out);
2581 ✗ ret = hlsenc_io_open(s, &vs->out, filename, &options);
2582 ✗ if (ret >= 0) {
2583 ✗ reflush_dynbuf(vs, &range_length);
2584 ✗ ret = hlsenc_io_close(s, &vs->out, filename);
2585 }
2586 }
2587 59 av_dict_free(&options);
2588 59 av_freep(&vs->temp_buffer);
2589 59 av_freep(&filename);
2590 }
2591
2592
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 65 if (use_temp_file)
2593 ✗ hls_rename_temp_file(s, oc);
2594 }
2595
2596
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 74 if (ret < 0)
2597 ✗ return ret;
2598
2599 74 old_filename = av_strdup(oc->url);
2600
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 74 if (!old_filename) {
2601 ✗ return AVERROR(ENOMEM);
2602 }
2603
2604 74 cur_duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den;
2605 74 ret = hls_append_segment(s, hls, vs, cur_duration, vs->start_pos, vs->size);
2606 74 vs->end_pts = pkt->pts;
2607 74 vs->duration = 0;
2608
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 74 if (ret < 0) {
2609 ✗ av_freep(&old_filename);
2610 ✗ return ret;
2611 }
2612
2613 // if we're building a VOD playlist, skip writing the manifest multiple times, and just wait until the end
2614
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 74 if (hls->pl_type != PLAYLIST_TYPE_VOD) {
2615
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 72 if ((ret = hls_window(s, 0, vs)) < 0) {
2616 ✗ av_log(s, AV_LOG_WARNING, "upload playlist failed, will retry with a new http session.\n");
2617 ✗ ff_format_io_close(s, &vs->out);
2618 ✗ if ((ret = hls_window(s, 0, vs)) < 0) {
2619 ✗ av_freep(&old_filename);
2620 ✗ return ret;
2621 }
2622 }
2623 }
2624
2625
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 74 if (hls->resend_init_file && hls->segment_type == SEGMENT_TYPE_FMP4) {
2626 ✗ ret = hls_init_file_resend(s, vs);
2627 ✗ if (ret < 0) {
2628 ✗ av_freep(&old_filename);
2629 ✗ return ret;
2630 }
2631 }
2632
2633
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 74 if (hls->flags & HLS_SINGLE_FILE) {
2634 9 vs->start_pos += vs->size;
2635
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 9 if (hls->key_info_file || hls->encrypt)
2636 ✗ ret = hls_start(s, vs);
2637
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 9 if (hls->segment_type == SEGMENT_TYPE_MPEGTS && oc->oformat->priv_class && oc->priv_data) {
2638 9 av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
2639 }
2640
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 65 } else if (hls->max_seg_size > 0) {
2641
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 9 if (vs->size + vs->start_pos >= hls->max_seg_size) {
2642 3 vs->sequence++;
2643 3 sls_flag_file_rename(hls, vs, old_filename);
2644 3 ret = hls_start(s, vs);
2645 3 vs->start_pos = 0;
2646 /* When split segment by byte, the duration is short than hls_time,
2647 * so it is not enough one segment duration as hls_time, */
2648 } else {
2649 6 vs->start_pos = new_start_pos;
2650 }
2651 } else {
2652 56 vs->start_pos = 0;
2653 56 sls_flag_file_rename(hls, vs, old_filename);
2654 56 ret = hls_start(s, vs);
2655 }
2656 74 vs->number++;
2657 74 av_freep(&old_filename);
2658
2659
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 74 if (ret < 0) {
2660 ✗ return ret;
2661 }
2662 }
2663
2664 7084 vs->packets_written++;
2665
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 7084 if (oc->pb) {
2666 7084 ret = ff_write_chained(oc, stream_index, pkt, s, 0);
2667 7084 vs->video_keyframe_size += pkt->size;
2668
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 7084 if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && (pkt->flags & AV_PKT_FLAG_KEY)) {
2669 18 vs->video_keyframe_size = avio_tell(oc->pb);
2670 } else {
2671 7066 vs->video_keyframe_pos = avio_tell(vs->out);
2672 }
2673
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 7084 if (hls->ignore_io_errors)
2674 ✗ ret = 0;
2675 }
2676
2677 7084 return ret;
2678 }
2679
2680 18 static void hls_deinit(AVFormatContext *s)
2681 {
2682 18 HLSContext *hls = s->priv_data;
2683 18 int i = 0;
2684 18 VariantStream *vs = NULL;
2685
2686
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 36 for (i = 0; i < hls->nb_varstreams; i++) {
2687 18 vs = &hls->var_streams[i];
2688
2689 18 av_freep(&vs->basename);
2690 18 av_freep(&vs->base_output_dirname);
2691 18 av_freep(&vs->fmp4_init_filename);
2692 18 av_freep(&vs->vtt_basename);
2693 18 av_freep(&vs->vtt_m3u8_name);
2694
2695 18 avformat_free_context(vs->vtt_avf);
2696 18 avformat_free_context(vs->avf);
2697
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 18 if (hls->resend_init_file)
2698 ✗ av_freep(&vs->init_buffer);
2699 18 hls_free_segments(vs->segments);
2700 18 hls_free_segments(vs->old_segments);
2701 18 av_freep(&vs->m3u8_name);
2702 18 av_freep(&vs->streams);
2703 }
2704
2705 18 ff_format_io_close(s, &hls->m3u8_out);
2706 18 ff_format_io_close(s, &hls->sub_m3u8_out);
2707 18 ff_format_io_close(s, &hls->http_delete);
2708 18 av_freep(&hls->key_basename);
2709 18 av_freep(&hls->var_streams);
2710 18 av_freep(&hls->cc_streams);
2711 18 av_freep(&hls->master_m3u8_url);
2712 18 }
2713
2714 18 static int hls_write_trailer(struct AVFormatContext *s)
2715 {
2716 18 HLSContext *hls = s->priv_data;
2717 18 AVFormatContext *oc = NULL;
2718 18 AVFormatContext *vtt_oc = NULL;
2719 18 char *old_filename = NULL;
2720 18 const char *proto = NULL;
2721 18 int use_temp_file = 0;
2722 int i;
2723 18 int ret = 0;
2724 18 VariantStream *vs = NULL;
2725 18 AVDictionary *options = NULL;
2726 int range_length, byterange_mode;
2727
2728
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 36 for (i = 0; i < hls->nb_varstreams; i++) {
2729 18 char *filename = NULL;
2730 18 vs = &hls->var_streams[i];
2731 18 oc = vs->avf;
2732 18 vtt_oc = vs->vtt_avf;
2733 18 old_filename = av_strdup(oc->url);
2734 18 use_temp_file = 0;
2735
2736
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 18 if (!old_filename) {
2737 ✗ return AVERROR(ENOMEM);
2738 }
2739
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 18 if (hls->key_info_file || hls->encrypt) {
2740 ✗ av_dict_set(&options, "encryption_key", vs->key_string, 0);
2741 ✗ av_dict_set(&options, "encryption_iv", vs->iv_string, 0);
2742 ✗ filename = av_asprintf("crypto:%s", oc->url);
2743 } else {
2744 18 filename = av_asprintf("%s", oc->url);
2745 }
2746
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 18 if (!filename) {
2747 ✗ av_dict_free(&options);
2748 ✗ av_freep(&old_filename);
2749 ✗ return AVERROR(ENOMEM);
2750 }
2751
2752
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2753
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 2 if (!vs->init_range_length) {
2754 1 uint8_t *buffer = NULL;
2755 1 av_write_frame(oc, NULL); /* Flush any buffered data */
2756
2757 1 int init_range_length = avio_close_dyn_buf(oc->pb, &buffer);
2758 1 avio_write(vs->out, buffer, init_range_length);
2759 1 av_freep(&buffer);
2760 1 vs->init_range_length = init_range_length;
2761 1 avio_open_dyn_buf(&oc->pb);
2762 1 vs->packets_written = 0;
2763 1 vs->start_pos = init_range_length;
2764
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 1 byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
2765
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 1 if (!byterange_mode) {
2766 1 ff_format_io_close(s, &vs->out);
2767 1 hlsenc_io_close(s, &vs->out, vs->base_output_dirname);
2768 }
2769 }
2770 }
2771
2/2
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 18 if (!(hls->flags & HLS_SINGLE_FILE)) {
2772 17 set_http_options(s, &options, hls);
2773 17 ret = hlsenc_io_open(s, &vs->out, filename, &options);
2774
1/2
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 17 if (ret < 0) {
2775 ✗ av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n", oc->url);
2776 ✗ goto failed;
2777 }
2778
2/2
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 17 if (hls->segment_type == SEGMENT_TYPE_FMP4)
2779 2 write_styp(vs->out);
2780 }
2781 18 ret = flush_dynbuf(vs, &range_length);
2782
1/2
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 18 if (ret < 0)
2783 ✗ goto failed;
2784
2785 18 vs->size = range_length;
2786 18 ret = hlsenc_io_close(s, &vs->out, filename);
2787
1/2
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 18 if (ret < 0) {
2788 ✗ av_log(s, AV_LOG_WARNING, "upload segment failed, will retry with a new http session.\n");
2789 ✗ ff_format_io_close(s, &vs->out);
2790 ✗ ret = hlsenc_io_open(s, &vs->out, filename, &options);
2791 ✗ if (ret < 0) {
2792 ✗ av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n", oc->url);
2793 ✗ goto failed;
2794 }
2795 ✗ reflush_dynbuf(vs, &range_length);
2796 ✗ ret = hlsenc_io_close(s, &vs->out, filename);
2797 ✗ if (ret < 0)
2798 ✗ av_log(s, AV_LOG_WARNING, "Failed to upload file '%s' at the end.\n", oc->url);
2799 }
2800
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 18 if (hls->flags & HLS_SINGLE_FILE) {
2801
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 1 if (hls->key_info_file || hls->encrypt) {
2802 ✗ vs->size = append_single_file(s, vs);
2803 }
2804 1 hlsenc_io_close(s, &vs->out_single_file, vs->basename);
2805 }
2806 17 failed:
2807 18 av_freep(&vs->temp_buffer);
2808 18 av_dict_free(&options);
2809 18 av_freep(&filename);
2810 18 av_write_trailer(oc);
2811
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 18 if (oc->url[0]) {
2812 18 proto = avio_find_protocol_name(oc->url);
2813
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 18 use_temp_file = proto && !strcmp(proto, "file") && (hls->flags & HLS_TEMP_FILE);
2814 }
2815
2816 // rename that segment from .tmp to the real one
2817
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 18 if (use_temp_file && !(hls->flags & HLS_SINGLE_FILE)) {
2818 ✗ hls_rename_temp_file(s, oc);
2819 ✗ av_freep(&old_filename);
2820 ✗ old_filename = av_strdup(oc->url);
2821
2822 ✗ if (!old_filename) {
2823 ✗ return AVERROR(ENOMEM);
2824 }
2825 }
2826
2827 /* after av_write_trailer, then duration + 1 duration per packet */
2828 18 hls_append_segment(s, hls, vs, vs->duration + vs->dpp, vs->start_pos, vs->size);
2829
2830 18 sls_flag_file_rename(hls, vs, old_filename);
2831
2832
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 18 if (vtt_oc) {
2833 ✗ if (vtt_oc->pb)
2834 ✗ av_write_trailer(vtt_oc);
2835 ✗ vs->size = avio_tell(vs->vtt_avf->pb) - vs->start_pos;
2836 ✗ ff_format_io_close(s, &vtt_oc->pb);
2837 }
2838 18 ret = hls_window(s, 1, vs);
2839
1/2
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 18 if (ret < 0) {
2840 ✗ av_log(s, AV_LOG_WARNING, "upload playlist failed, will retry with a new http session.\n");
2841 ✗ ff_format_io_close(s, &vs->out);
2842 ✗ hls_window(s, 1, vs);
2843 }
2844 18 ffio_free_dyn_buf(&oc->pb);
2845
2846 18 av_free(old_filename);
2847 }
2848
2849 18 return 0;
2850 }
2851
2852
2853 18 static int hls_init(AVFormatContext *s)
2854 {
2855 18 int ret = 0;
2856 18 int i = 0;
2857 18 int j = 0;
2858 18 HLSContext *hls = s->priv_data;
2859 const char *pattern;
2860 18 VariantStream *vs = NULL;
2861
2/2
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 18 const char *vtt_pattern = hls->flags & HLS_SINGLE_FILE ? ".vtt" : "%d.vtt";
2862 18 int http_base_proto = ff_is_http_proto(s->url);
2863 18 int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1;
2864 18 double initial_program_date_time = av_gettime() / 1000000.0;
2865
2866
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 18 if (hls->use_localtime) {
2867 ✗ pattern = get_default_pattern_localtime_fmt(s);
2868 } else {
2869
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 18 pattern = hls->segment_type == SEGMENT_TYPE_FMP4 ? "%d.m4s" : "%d.ts";
2870
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 18 if (hls->flags & HLS_SINGLE_FILE)
2871 1 pattern += 2;
2872 }
2873
2874 18 hls->has_default_key = 0;
2875 18 hls->has_video_m3u8 = 0;
2876 18 ret = update_variant_stream_info(s);
2877
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 18 if (ret < 0) {
2878 ✗ av_log(s, AV_LOG_ERROR, "Variant stream info update failed with status %x\n",
2879 ret);
2880 ✗ return ret;
2881 }
2882
2883
2/4
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 18 if (!hls->method && http_base_proto) {
2884 ✗ av_log(hls, AV_LOG_WARNING, "No HTTP method set, hls muxer defaulting to method PUT.\n");
2885 }
2886
2887 18 ret = validate_name(hls->nb_varstreams, s->url);
2888
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 18 if (ret < 0)
2889 ✗ return ret;
2890
2891
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 18 if (hls->segment_filename) {
2892 18 ret = validate_name(hls->nb_varstreams, hls->segment_filename);
2893
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 18 if (ret < 0)
2894 ✗ return ret;
2895 }
2896
2897
2/2
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 18 if (av_strcasecmp(hls->fmp4_init_filename, "init.mp4")) {
2898 3 ret = validate_name(hls->nb_varstreams, hls->fmp4_init_filename);
2899
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 3 if (ret < 0)
2900 ✗ return ret;
2901 }
2902
2903
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 18 if (hls->subtitle_filename) {
2904 ✗ ret = validate_name(hls->nb_varstreams, hls->subtitle_filename);
2905 ✗ if (ret < 0)
2906 ✗ return ret;
2907 }
2908
2909
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 18 if (hls->master_pl_name) {
2910 ✗ ret = update_master_pl_info(s);
2911 ✗ if (ret < 0) {
2912 ✗ av_log(s, AV_LOG_ERROR, "Master stream info update failed with status %x\n",
2913 ret);
2914 ✗ return ret;
2915 }
2916 }
2917
2918
1/2
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 18 if ((hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) ||
2919
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 18 (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH) ||
2920
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 18 (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME)) {
2921 ✗ time_t t = time(NULL);
2922 ✗ if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_MICROSECONDS_SINCE_EPOCH) {
2923 ✗ hls->start_sequence = av_gettime();
2924 ✗ } else if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) {
2925 ✗ hls->start_sequence = (int64_t)t;
2926 ✗ } else if (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME) {
2927 char b[15];
2928 struct tm *p, tmbuf;
2929 ✗ if (!(p = localtime_r(&t, &tmbuf)))
2930 ✗ return AVERROR(errno);
2931 ✗ if (!strftime(b, sizeof(b), "%Y%m%d%H%M%S", p))
2932 ✗ return AVERROR(ENOMEM);
2933 ✗ hls->start_sequence = strtoll(b, NULL, 10);
2934 }
2935 ✗ av_log(hls, AV_LOG_DEBUG, "start_number evaluated to %"PRId64"\n", hls->start_sequence);
2936 }
2937
2938
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 18 hls->recording_time = hls->init_time && hls->max_nb_segments > 0 ? hls->init_time : hls->time;
2939
2940
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 18 if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) {
2941 // Independent segments cannot be guaranteed when splitting by time
2942 ✗ hls->flags &= ~HLS_INDEPENDENT_SEGMENTS;
2943 ✗ av_log(s, AV_LOG_WARNING,
2944 "'split_by_time' and 'independent_segments' cannot be "
2945 "enabled together. Disabling 'independent_segments' flag\n");
2946 }
2947
2948
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 36 for (i = 0; i < hls->nb_varstreams; i++) {
2949 18 vs = &hls->var_streams[i];
2950
2951 18 ret = format_name(s->url, &vs->m3u8_name, i, vs->varname);
2952
1/2
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 18 if (ret < 0)
2953 ✗ return ret;
2954
2955 18 vs->sequence = hls->start_sequence;
2956 18 vs->start_pts = AV_NOPTS_VALUE;
2957 18 vs->end_pts = AV_NOPTS_VALUE;
2958 18 vs->current_segment_final_filename_fmt[0] = '\0';
2959 18 vs->initial_prog_date_time = initial_program_date_time;
2960
2961
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 36 for (j = 0; j < vs->nb_streams; j++) {
2962 18 vs->has_video += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO;
2963 /* Get one video stream to reference for split segments
2964 * so use the first video stream index. */
2965
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 18 if ((vs->has_video == 1) && (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) {
2966 6 vs->reference_stream_index = vs->streams[j]->index;
2967 }
2968 18 vs->has_subtitle += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE;
2969 }
2970
2971
1/2
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 18 if (vs->has_video > 1)
2972 ✗ av_log(s, AV_LOG_WARNING, "More than a single video stream present, expect issues decoding it.\n");
2973
2/2
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
2974 #if CONFIG_MP4_MUXER
2975 EXTERN const FFOutputFormat ff_mp4_muxer;
2976 2 vs->oformat = &ff_mp4_muxer.p;
2977 #else
2978 return AVERROR_MUXER_NOT_FOUND;
2979 #endif
2980 } else {
2981 EXTERN const FFOutputFormat ff_mpegts_muxer;
2982 16 vs->oformat = &ff_mpegts_muxer.p;
2983 }
2984
2985
1/2
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 18 if (hls->segment_filename) {
2986 18 ret = format_name(hls->segment_filename, &vs->basename, i, vs->varname);
2987
1/2
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 18 if (ret < 0)
2988 ✗ return ret;
2989 } else {
2990 ✗ char *p = strrchr(vs->m3u8_name, '.');
2991 ✗ if (p)
2992 ✗ *p = '\0';
2993
2994 ✗ vs->basename = av_asprintf("%s%s", vs->m3u8_name, pattern);
2995 ✗ if (!vs->basename)
2996 ✗ return AVERROR(ENOMEM);
2997
2998 ✗ if (p)
2999 ✗ *p = '.';
3000 }
3001
3002
2/2
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 18 if (hls->segment_type == SEGMENT_TYPE_FMP4) {
3003
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 2 if (hls->nb_varstreams > 1)
3004 ✗ fmp4_init_filename_len += strlen(POSTFIX_PATTERN);
3005
1/2
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 2 if (hls->flags & HLS_SINGLE_FILE) {
3006 ✗ vs->fmp4_init_filename = av_strdup(vs->basename);
3007 ✗ if (!vs->fmp4_init_filename)
3008 ✗ return AVERROR(ENOMEM);
3009 } else {
3010 2 vs->fmp4_init_filename = av_malloc(fmp4_init_filename_len);
3011
1/2
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 2 if (!vs->fmp4_init_filename)
3012 ✗ return AVERROR(ENOMEM);
3013 2 av_strlcpy(vs->fmp4_init_filename, hls->fmp4_init_filename,
3014 fmp4_init_filename_len);
3015
1/2
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 2 if (hls->nb_varstreams > 1) {
3016 ✗ if (av_stristr(vs->fmp4_init_filename, "%v")) {
3017 ✗ av_freep(&vs->fmp4_init_filename);
3018 ✗ ret = format_name(hls->fmp4_init_filename,
3019 &vs->fmp4_init_filename, i, vs->varname);
3020 } else {
3021 ✗ ret = append_postfix(vs->fmp4_init_filename, fmp4_init_filename_len, i);
3022 }
3023 ✗ if (ret < 0)
3024 ✗ return ret;
3025 }
3026
3027
1/2
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 2 if (hls->use_localtime) {
3028 int r;
3029 ✗ char *expanded = NULL;
3030
3031 ✗ r = strftime_expand(vs->fmp4_init_filename, &expanded);
3032 ✗ if (r < 0) {
3033 ✗ av_log(s, AV_LOG_ERROR, "Could not get segment filename with strftime\n");
3034 ✗ return r;
3035 }
3036 ✗ av_free(vs->fmp4_init_filename);
3037 ✗ vs->fmp4_init_filename = expanded;
3038 }
3039
3040 2 char *p = strrchr(vs->m3u8_name, '/');
3041
1/2
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 2 if (p) {
3042 2 char tmp = *(++p);
3043 2 *p = '\0';
3044 2 vs->base_output_dirname = av_asprintf("%s%s", vs->m3u8_name,
3045 vs->fmp4_init_filename);
3046 2 *p = tmp;
3047 } else {
3048 ✗ vs->base_output_dirname = av_strdup(vs->fmp4_init_filename);
3049 }
3050
1/2
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 2 if (!vs->base_output_dirname)
3051 ✗ return AVERROR(ENOMEM);
3052 }
3053 }
3054
3055
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 18 ret = hls->use_localtime ? sls_flag_check_duration_size(hls, vs) : sls_flag_check_duration_size_index(hls);
3056
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 18 if (ret < 0)
3057 ✗ return ret;
3058
3059
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 18 if (vs->has_subtitle) {
3060 EXTERN const FFOutputFormat ff_webvtt_muxer;
3061 ✗ vs->vtt_oformat = &ff_webvtt_muxer.p;
3062
3063 ✗ char *p = strrchr(vs->m3u8_name, '.');
3064 ✗ if (p)
3065 ✗ *p = '\0';
3066
3067 ✗ vs->vtt_basename = av_asprintf("%s%s", vs->m3u8_name, vtt_pattern);
3068 ✗ if (!vs->vtt_basename)
3069 ✗ return AVERROR(ENOMEM);
3070
3071 ✗ if (hls->subtitle_filename) {
3072 ✗ ret = format_name(hls->subtitle_filename, &vs->vtt_m3u8_name, i, vs->varname);
3073 ✗ if (ret < 0)
3074 ✗ return ret;
3075 } else {
3076 ✗ vs->vtt_m3u8_name = av_asprintf("%s_vtt.m3u8", vs->m3u8_name);
3077 ✗ if (!vs->vtt_m3u8_name)
3078 ✗ return AVERROR(ENOMEM);
3079 }
3080 ✗ if (p)
3081 ✗ *p = '.';
3082 }
3083
3084
1/2
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 18 if ((ret = hls_mux_init(s, vs)) < 0)
3085 ✗ return ret;
3086
3087
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 18 if (hls->flags & HLS_APPEND_LIST) {
3088 1 parse_playlist(s, vs->m3u8_name, vs);
3089 1 vs->discontinuity = 1;
3090
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 1 if (hls->init_time > 0) {
3091 ✗ av_log(s, AV_LOG_WARNING, "append_list mode does not support hls_init_time,"
3092 " hls_init_time value will have no effect\n");
3093 ✗ hls->init_time = 0;
3094 ✗ hls->recording_time = hls->time;
3095 }
3096 }
3097
3098
1/2
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 18 if ((ret = hls_start(s, vs)) < 0)
3099 ✗ return ret;
3100 18 vs->number++;
3101 }
3102
3103 18 return ret;
3104 }
3105
3106 #define OFFSET(x) offsetof(HLSContext, x)
3107 #define E AV_OPT_FLAG_ENCODING_PARAM
3108 static const AVOption options[] = {
3109 {"start_number", "set first number in the sequence", OFFSET(start_sequence),AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, E},
3110 {"hls_time", "set segment length", OFFSET(time), AV_OPT_TYPE_DURATION, {.i64 = 2000000}, 0, INT64_MAX, E},
3111 {"hls_init_time", "set segment length at init list", OFFSET(init_time), AV_OPT_TYPE_DURATION, {.i64 = 0}, 0, INT64_MAX, E},
3112 {"hls_list_size", "set maximum number of playlist entries", OFFSET(max_nb_segments), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E},
3113 {"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},
3114 {"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},
3115 {"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},
3116 {"hls_base_url", "url to prepend to each playlist entry", OFFSET(baseurl), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3117 {"hls_segment_filename", "filename template for segment files", OFFSET(segment_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3118 {"hls_segment_options","set segments files format options of hls", OFFSET(format_options), AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, E},
3119 {"hls_segment_size", "maximum size per segment file, (in bytes)", OFFSET(max_seg_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E},
3120 {"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},
3121 {"hls_enc", "enable AES128 encryption support", OFFSET(encrypt), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, E},
3122 {"hls_enc_key", "hex-coded 16 byte key to encrypt the segments", OFFSET(key), AV_OPT_TYPE_STRING, .flags = E},
3123 {"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},
3124 {"hls_enc_iv", "hex-coded 16 byte initialization vector", OFFSET(iv), AV_OPT_TYPE_STRING, .flags = E},
3125 {"hls_subtitle_path", "set path of hls subtitles", OFFSET(subtitle_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3126 {"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"},
3127 {"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"},
3128 {"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"},
3129 {"hls_fmp4_init_filename", "set fragment mp4 file init filename", OFFSET(fmp4_init_filename), AV_OPT_TYPE_STRING, {.str = "init.mp4"}, 0, 0, E},
3130 {"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 },
3131 {"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"},
3132 {"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"},
3133 {"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"},
3134 {"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"},
3135 {"round_durations", "round durations in m3u8 to whole numbers", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_ROUND_DURATIONS }, 0, UINT_MAX, E, .unit = "flags"},
3136 {"discont_start", "start the playlist with a discontinuity tag", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_DISCONT_START }, 0, UINT_MAX, E, .unit = "flags"},
3137 {"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"},
3138 {"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"},
3139 {"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"},
3140 {"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"},
3141 {"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"},
3142 {"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"},
3143 {"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"},
3144 {"periodic_rekey", "reload keyinfo file periodically for re-keying", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PERIODIC_REKEY }, 0, UINT_MAX, E, .unit = "flags"},
3145 {"independent_segments", "add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_INDEPENDENT_SEGMENTS }, 0, UINT_MAX, E, .unit = "flags"},
3146 {"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"},
3147 {"strftime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3148 {"strftime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_localtime_mkdir), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3149 {"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" },
3150 {"event", "EVENT playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_EVENT }, INT_MIN, INT_MAX, E, .unit = "pl_type" },
3151 {"vod", "VOD playlist", 0, AV_OPT_TYPE_CONST, {.i64 = PLAYLIST_TYPE_VOD }, INT_MIN, INT_MAX, E, .unit = "pl_type" },
3152 {"method", "set the HTTP method(default: PUT)", OFFSET(method), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3153 {"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" },
3154 {"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" },
3155 {"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" },
3156 {"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" },
3157 {"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" },
3158 {"http_user_agent", "override User-Agent field in HTTP header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3159 {"var_stream_map", "Variant stream map string", OFFSET(var_stream_map), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3160 {"cc_stream_map", "Closed captions stream map string", OFFSET(cc_stream_map), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3161 {"master_pl_name", "Create HLS master playlist with this name", OFFSET(master_pl_name), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
3162 {"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},
3163 {"http_persistent", "Use persistent HTTP connections", OFFSET(http_persistent), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
3164 {"timeout", "set timeout for socket I/O operations", OFFSET(timeout), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT_MAX, .flags = E },
3165 {"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 },
3166 {"headers", "set custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
3167 { NULL },
3168 };
3169
3170 static const AVClass hls_class = {
3171 .class_name = "hls muxer",
3172 .item_name = av_default_item_name,
3173 .option = options,
3174 .version = LIBAVUTIL_VERSION_INT,
3175 };
3176
3177
3178 const FFOutputFormat ff_hls_muxer = {
3179 .p.name = "hls",
3180 .p.long_name = NULL_IF_CONFIG_SMALL("Apple HTTP Live Streaming"),
3181 .p.extensions = "m3u8",
3182 .p.audio_codec = AV_CODEC_ID_AAC,
3183 .p.video_codec = AV_CODEC_ID_H264,
3184 .p.subtitle_codec = AV_CODEC_ID_WEBVTT,
3185 .p.flags = AVFMT_NOFILE | AVFMT_GLOBALHEADER | AVFMT_NODIMENSIONS,
3186 .p.priv_class = &hls_class,
3187 .flags_internal = FF_OFMT_FLAG_ALLOW_FLUSH,
3188 .priv_data_size = sizeof(HLSContext),
3189 .init = hls_init,
3190 .write_header = hls_write_header,
3191 .write_packet = hls_write_packet,
3192 .write_trailer = hls_write_trailer,
3193 .deinit = hls_deinit,
3194 };
3195