Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * Copyright (c) 2012 Martin Storsjo | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | /* | |
22 | * To create a simple file for smooth streaming: | |
23 | * ffmpeg <normal input/transcoding options> -movflags frag_keyframe foo.ismv | |
24 | * ismindex -n foo foo.ismv | |
25 | * This step creates foo.ism and foo.ismc that is required by IIS for | |
26 | * serving it. | |
27 | * | |
28 | * With -ismf, it also creates foo.ismf, which maps fragment names to | |
29 | * start-end offsets in the ismv, for use in your own streaming server. | |
30 | * | |
31 | * By adding -path-prefix path/, the produced foo.ism will refer to the | |
32 | * files foo.ismv as "path/foo.ismv" - the prefix for the generated ismc | |
33 | * file can be set with the -ismc-prefix option similarly. | |
34 | * | |
35 | * To pre-split files for serving as static files by a web server without | |
36 | * any extra server support, create the ismv file as above, and split it: | |
37 | * ismindex -split foo.ismv | |
38 | * This step creates a file Manifest and directories QualityLevel(...), | |
39 | * that can be read directly by a smooth streaming player. | |
40 | * | |
41 | * The -output dir option can be used to request that output files | |
42 | * (both .ism/.ismc, or Manifest/QualityLevels* when splitting) | |
43 | * should be written to this directory instead of in the current directory. | |
44 | * (The directory itself isn't created if it doesn't already exist.) | |
45 | */ | |
46 | ||
47 | #include <stdio.h> | |
48 | #include <string.h> | |
49 | ||
50 | #include "cmdutils.h" | |
51 | ||
52 | #include "libavformat/avformat.h" | |
53 | #include "libavformat/os_support.h" | |
54 | #include "libavutil/intreadwrite.h" | |
55 | #include "libavutil/mathematics.h" | |
56 | ||
57 | static int usage(const char *argv0, int ret) | |
58 | { | |
59 | fprintf(stderr, "%s [-split] [-ismf] [-n basename] [-path-prefix prefix] " | |
60 | "[-ismc-prefix prefix] [-output dir] file1 [file2] ...\n", argv0); | |
61 | return ret; | |
62 | } | |
63 | ||
64 | struct MoofOffset { | |
65 | int64_t time; | |
66 | int64_t offset; | |
67 | int64_t duration; | |
68 | }; | |
69 | ||
70 | struct Track { | |
71 | const char *name; | |
72 | int64_t duration; | |
73 | int bitrate; | |
74 | int track_id; | |
75 | int is_audio, is_video; | |
76 | int width, height; | |
77 | int chunks; | |
78 | int sample_rate, channels; | |
79 | uint8_t *codec_private; | |
80 | int codec_private_size; | |
81 | struct MoofOffset *offsets; | |
82 | int timescale; | |
83 | const char *fourcc; | |
84 | int blocksize; | |
85 | int tag; | |
86 | }; | |
87 | ||
88 | struct Tracks { | |
89 | int nb_tracks; | |
90 | int64_t duration; | |
91 | struct Track **tracks; | |
92 | int video_track, audio_track; | |
93 | int nb_video_tracks, nb_audio_tracks; | |
94 | }; | |
95 | ||
96 | static int expect_tag(int32_t got_tag, int32_t expected_tag) { | |
97 | if (got_tag != expected_tag) { | |
98 | char got_tag_str[4], expected_tag_str[4]; | |
99 | AV_WB32(got_tag_str, got_tag); | |
100 | AV_WB32(expected_tag_str, expected_tag); | |
101 | fprintf(stderr, "wanted tag %.4s, got %.4s\n", expected_tag_str, | |
102 | got_tag_str); | |
103 | return -1; | |
104 | } | |
105 | return 0; | |
106 | } | |
107 | ||
108 | static int copy_tag(AVIOContext *in, AVIOContext *out, int32_t tag_name) | |
109 | { | |
110 | int32_t size, tag; | |
111 | ||
112 | size = avio_rb32(in); | |
113 | tag = avio_rb32(in); | |
114 | avio_wb32(out, size); | |
115 | avio_wb32(out, tag); | |
116 | if (expect_tag(tag, tag_name) != 0) | |
117 | return -1; | |
118 | size -= 8; | |
119 | while (size > 0) { | |
120 | char buf[1024]; | |
121 | int len = FFMIN(sizeof(buf), size); | |
122 | int got; | |
123 | if ((got = avio_read(in, buf, len)) != len) { | |
124 | fprintf(stderr, "short read, wanted %d, got %d\n", len, got); | |
125 | break; | |
126 | } | |
127 | avio_write(out, buf, len); | |
128 | size -= len; | |
129 | } | |
130 | return 0; | |
131 | } | |
132 | ||
133 | static int skip_tag(AVIOContext *in, int32_t tag_name) | |
134 | { | |
135 | int64_t pos = avio_tell(in); | |
136 | int32_t size, tag; | |
137 | ||
138 | size = avio_rb32(in); | |
139 | tag = avio_rb32(in); | |
140 | if (expect_tag(tag, tag_name) != 0) | |
141 | return -1; | |
142 | avio_seek(in, pos + size, SEEK_SET); | |
143 | return 0; | |
144 | } | |
145 | ||
146 | static int write_fragment(const char *filename, AVIOContext *in) | |
147 | { | |
148 | AVIOContext *out = NULL; | |
149 | int ret; | |
150 | ||
151 | if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, NULL, NULL)) < 0) { | |
152 | char errbuf[100]; | |
153 | av_strerror(ret, errbuf, sizeof(errbuf)); | |
154 | fprintf(stderr, "Unable to open %s: %s\n", filename, errbuf); | |
155 | return ret; | |
156 | } | |
157 | ret = copy_tag(in, out, MKBETAG('m', 'o', 'o', 'f')); | |
158 | if (!ret) | |
159 | ret = copy_tag(in, out, MKBETAG('m', 'd', 'a', 't')); | |
160 | ||
161 | avio_flush(out); | |
162 | avio_close(out); | |
163 | ||
164 | return ret; | |
165 | } | |
166 | ||
167 | static int skip_fragment(AVIOContext *in) | |
168 | { | |
169 | int ret; | |
170 | ret = skip_tag(in, MKBETAG('m', 'o', 'o', 'f')); | |
171 | if (!ret) | |
172 | ret = skip_tag(in, MKBETAG('m', 'd', 'a', 't')); | |
173 | return ret; | |
174 | } | |
175 | ||
176 | static int write_fragments(struct Tracks *tracks, int start_index, | |
177 | AVIOContext *in, const char *basename, | |
178 | int split, int ismf, const char* output_prefix) | |
179 | { | |
180 | char dirname[2048], filename[2048], idxname[2048]; | |
181 | int i, j, ret = 0, fragment_ret; | |
182 | FILE* out = NULL; | |
183 | ||
184 | if (ismf) { | |
185 | snprintf(idxname, sizeof(idxname), "%s%s.ismf", output_prefix, basename); | |
186 | out = fopen(idxname, "w"); | |
187 | if (!out) { | |
188 | ret = AVERROR(errno); | |
189 | perror(idxname); | |
190 | goto fail; | |
191 | } | |
192 | } | |
193 | for (i = start_index; i < tracks->nb_tracks; i++) { | |
194 | struct Track *track = tracks->tracks[i]; | |
195 | const char *type = track->is_video ? "video" : "audio"; | |
196 | snprintf(dirname, sizeof(dirname), "%sQualityLevels(%d)", output_prefix, track->bitrate); | |
197 | if (split) { | |
198 | if (mkdir(dirname, 0777) == -1 && errno != EEXIST) { | |
199 | ret = AVERROR(errno); | |
200 | perror(dirname); | |
201 | goto fail; | |
202 | } | |
203 | } | |
204 | for (j = 0; j < track->chunks; j++) { | |
205 | snprintf(filename, sizeof(filename), "%s/Fragments(%s=%"PRId64")", | |
206 | dirname, type, track->offsets[j].time); | |
207 | avio_seek(in, track->offsets[j].offset, SEEK_SET); | |
208 | if (ismf) | |
209 | fprintf(out, "%s %"PRId64, filename, avio_tell(in)); | |
210 | if (split) | |
211 | fragment_ret = write_fragment(filename, in); | |
212 | else | |
213 | fragment_ret = skip_fragment(in); | |
214 | if (ismf) | |
215 | fprintf(out, " %"PRId64"\n", avio_tell(in)); | |
216 | if (fragment_ret != 0) { | |
217 | fprintf(stderr, "failed fragment %d in track %d (%s)\n", j, | |
218 | track->track_id, track->name); | |
219 | ret = fragment_ret; | |
220 | } | |
221 | } | |
222 | } | |
223 | fail: | |
224 | if (out) | |
225 | fclose(out); | |
226 | return ret; | |
227 | } | |
228 | ||
229 | static int read_tfra(struct Tracks *tracks, int start_index, AVIOContext *f) | |
230 | { | |
231 | int ret = AVERROR_EOF, track_id; | |
232 | int version, fieldlength, i, j; | |
233 | int64_t pos = avio_tell(f); | |
234 | uint32_t size = avio_rb32(f); | |
235 | struct Track *track = NULL; | |
236 | ||
237 | if (avio_rb32(f) != MKBETAG('t', 'f', 'r', 'a')) | |
238 | goto fail; | |
239 | version = avio_r8(f); | |
240 | avio_rb24(f); | |
241 | track_id = avio_rb32(f); /* track id */ | |
242 | for (i = start_index; i < tracks->nb_tracks && !track; i++) | |
243 | if (tracks->tracks[i]->track_id == track_id) | |
244 | track = tracks->tracks[i]; | |
245 | if (!track) { | |
246 | /* Ok, continue parsing the next atom */ | |
247 | ret = 0; | |
248 | goto fail; | |
249 | } | |
250 | fieldlength = avio_rb32(f); | |
251 | track->chunks = avio_rb32(f); | |
252 | track->offsets = av_mallocz_array(track->chunks, sizeof(*track->offsets)); | |
253 | if (!track->offsets) { | |
254 | ret = AVERROR(ENOMEM); | |
255 | goto fail; | |
256 | } | |
257 | for (i = 0; i < track->chunks; i++) { | |
258 | if (version == 1) { | |
259 | track->offsets[i].time = avio_rb64(f); | |
260 | track->offsets[i].offset = avio_rb64(f); | |
261 | } else { | |
262 | track->offsets[i].time = avio_rb32(f); | |
263 | track->offsets[i].offset = avio_rb32(f); | |
264 | } | |
265 | for (j = 0; j < ((fieldlength >> 4) & 3) + 1; j++) | |
266 | avio_r8(f); | |
267 | for (j = 0; j < ((fieldlength >> 2) & 3) + 1; j++) | |
268 | avio_r8(f); | |
269 | for (j = 0; j < ((fieldlength >> 0) & 3) + 1; j++) | |
270 | avio_r8(f); | |
271 | if (i > 0) | |
272 | track->offsets[i - 1].duration = track->offsets[i].time - | |
273 | track->offsets[i - 1].time; | |
274 | } | |
275 | if (track->chunks > 0) | |
276 | track->offsets[track->chunks - 1].duration = track->duration - | |
277 | track->offsets[track->chunks - 1].time; | |
278 | ret = 0; | |
279 | ||
280 | fail: | |
281 | avio_seek(f, pos + size, SEEK_SET); | |
282 | return ret; | |
283 | } | |
284 | ||
285 | static int read_mfra(struct Tracks *tracks, int start_index, | |
286 | const char *file, int split, int ismf, | |
287 | const char *basename, const char* output_prefix) | |
288 | { | |
289 | int err = 0; | |
290 | const char* err_str = ""; | |
291 | AVIOContext *f = NULL; | |
292 | int32_t mfra_size; | |
293 | ||
294 | if ((err = avio_open2(&f, file, AVIO_FLAG_READ, NULL, NULL)) < 0) | |
295 | goto fail; | |
296 | avio_seek(f, avio_size(f) - 4, SEEK_SET); | |
297 | mfra_size = avio_rb32(f); | |
298 | avio_seek(f, -mfra_size, SEEK_CUR); | |
299 | if (avio_rb32(f) != mfra_size) { | |
300 | err = AVERROR_INVALIDDATA; | |
301 | err_str = "mfra size mismatch"; | |
302 | goto fail; | |
303 | } | |
304 | if (avio_rb32(f) != MKBETAG('m', 'f', 'r', 'a')) { | |
305 | err = AVERROR_INVALIDDATA; | |
306 | err_str = "mfra tag mismatch"; | |
307 | goto fail; | |
308 | } | |
309 | while (!read_tfra(tracks, start_index, f)) { | |
310 | /* Empty */ | |
311 | } | |
312 | ||
313 | if (split || ismf) | |
314 | err = write_fragments(tracks, start_index, f, basename, split, ismf, | |
315 | output_prefix); | |
316 | err_str = "error in write_fragments"; | |
317 | ||
318 | fail: | |
319 | if (f) | |
320 | avio_close(f); | |
321 | if (err) | |
322 | fprintf(stderr, "Unable to read the MFRA atom in %s (%s)\n", file, err_str); | |
323 | return err; | |
324 | } | |
325 | ||
326 | static int get_private_data(struct Track *track, AVCodecContext *codec) | |
327 | { | |
328 | track->codec_private_size = codec->extradata_size; | |
329 | track->codec_private = av_mallocz(codec->extradata_size); | |
330 | if (!track->codec_private) | |
331 | return AVERROR(ENOMEM); | |
332 | memcpy(track->codec_private, codec->extradata, codec->extradata_size); | |
333 | return 0; | |
334 | } | |
335 | ||
336 | static int get_video_private_data(struct Track *track, AVCodecContext *codec) | |
337 | { | |
338 | AVIOContext *io = NULL; | |
339 | uint16_t sps_size, pps_size; | |
340 | int err; | |
341 | ||
342 | if (codec->codec_id == AV_CODEC_ID_VC1) | |
343 | return get_private_data(track, codec); | |
344 | ||
345 | if ((err = avio_open_dyn_buf(&io)) < 0) | |
346 | goto fail; | |
347 | err = AVERROR(EINVAL); | |
348 | if (codec->extradata_size < 11 || codec->extradata[0] != 1) | |
349 | goto fail; | |
350 | sps_size = AV_RB16(&codec->extradata[6]); | |
351 | if (11 + sps_size > codec->extradata_size) | |
352 | goto fail; | |
353 | avio_wb32(io, 0x00000001); | |
354 | avio_write(io, &codec->extradata[8], sps_size); | |
355 | pps_size = AV_RB16(&codec->extradata[9 + sps_size]); | |
356 | if (11 + sps_size + pps_size > codec->extradata_size) | |
357 | goto fail; | |
358 | avio_wb32(io, 0x00000001); | |
359 | avio_write(io, &codec->extradata[11 + sps_size], pps_size); | |
360 | err = 0; | |
361 | ||
362 | fail: | |
363 | track->codec_private_size = avio_close_dyn_buf(io, &track->codec_private); | |
364 | return err; | |
365 | } | |
366 | ||
367 | static int handle_file(struct Tracks *tracks, const char *file, int split, | |
368 | int ismf, const char *basename, | |
369 | const char* output_prefix) | |
370 | { | |
371 | AVFormatContext *ctx = NULL; | |
372 | int err = 0, i, orig_tracks = tracks->nb_tracks; | |
373 | char errbuf[50], *ptr; | |
374 | struct Track *track; | |
375 | ||
376 | err = avformat_open_input(&ctx, file, NULL, NULL); | |
377 | if (err < 0) { | |
378 | av_strerror(err, errbuf, sizeof(errbuf)); | |
379 | fprintf(stderr, "Unable to open %s: %s\n", file, errbuf); | |
380 | return 1; | |
381 | } | |
382 | ||
383 | err = avformat_find_stream_info(ctx, NULL); | |
384 | if (err < 0) { | |
385 | av_strerror(err, errbuf, sizeof(errbuf)); | |
386 | fprintf(stderr, "Unable to identify %s: %s\n", file, errbuf); | |
387 | goto fail; | |
388 | } | |
389 | ||
390 | if (ctx->nb_streams < 1) { | |
391 | fprintf(stderr, "No streams found in %s\n", file); | |
392 | goto fail; | |
393 | } | |
394 | ||
395 | for (i = 0; i < ctx->nb_streams; i++) { | |
396 | struct Track **temp; | |
397 | AVStream *st = ctx->streams[i]; | |
398 | ||
399 | if (st->codec->bit_rate == 0) { | |
400 | fprintf(stderr, "Skipping track %d in %s as it has zero bitrate\n", | |
401 | st->id, file); | |
402 | continue; | |
403 | } | |
404 | ||
405 | track = av_mallocz(sizeof(*track)); | |
406 | if (!track) { | |
407 | err = AVERROR(ENOMEM); | |
408 | goto fail; | |
409 | } | |
410 | temp = av_realloc(tracks->tracks, | |
411 | sizeof(*tracks->tracks) * (tracks->nb_tracks + 1)); | |
412 | if (!temp) { | |
413 | av_free(track); | |
414 | err = AVERROR(ENOMEM); | |
415 | goto fail; | |
416 | } | |
417 | tracks->tracks = temp; | |
418 | tracks->tracks[tracks->nb_tracks] = track; | |
419 | ||
420 | track->name = file; | |
421 | if ((ptr = strrchr(file, '/'))) | |
422 | track->name = ptr + 1; | |
423 | ||
424 | track->bitrate = st->codec->bit_rate; | |
425 | track->track_id = st->id; | |
426 | track->timescale = st->time_base.den; | |
427 | track->duration = st->duration; | |
428 | track->is_audio = st->codec->codec_type == AVMEDIA_TYPE_AUDIO; | |
429 | track->is_video = st->codec->codec_type == AVMEDIA_TYPE_VIDEO; | |
430 | ||
431 | if (!track->is_audio && !track->is_video) { | |
432 | fprintf(stderr, | |
433 | "Track %d in %s is neither video nor audio, skipping\n", | |
434 | track->track_id, file); | |
435 | av_freep(&tracks->tracks[tracks->nb_tracks]); | |
436 | continue; | |
437 | } | |
438 | ||
439 | tracks->duration = FFMAX(tracks->duration, | |
440 | av_rescale_rnd(track->duration, AV_TIME_BASE, | |
441 | track->timescale, AV_ROUND_UP)); | |
442 | ||
443 | if (track->is_audio) { | |
444 | if (tracks->audio_track < 0) | |
445 | tracks->audio_track = tracks->nb_tracks; | |
446 | tracks->nb_audio_tracks++; | |
447 | track->channels = st->codec->channels; | |
448 | track->sample_rate = st->codec->sample_rate; | |
449 | if (st->codec->codec_id == AV_CODEC_ID_AAC) { | |
450 | track->fourcc = "AACL"; | |
451 | track->tag = 255; | |
452 | track->blocksize = 4; | |
453 | } else if (st->codec->codec_id == AV_CODEC_ID_WMAPRO) { | |
454 | track->fourcc = "WMAP"; | |
455 | track->tag = st->codec->codec_tag; | |
456 | track->blocksize = st->codec->block_align; | |
457 | } | |
458 | get_private_data(track, st->codec); | |
459 | } | |
460 | if (track->is_video) { | |
461 | if (tracks->video_track < 0) | |
462 | tracks->video_track = tracks->nb_tracks; | |
463 | tracks->nb_video_tracks++; | |
464 | track->width = st->codec->width; | |
465 | track->height = st->codec->height; | |
466 | if (st->codec->codec_id == AV_CODEC_ID_H264) | |
467 | track->fourcc = "H264"; | |
468 | else if (st->codec->codec_id == AV_CODEC_ID_VC1) | |
469 | track->fourcc = "WVC1"; | |
470 | get_video_private_data(track, st->codec); | |
471 | } | |
472 | ||
473 | tracks->nb_tracks++; | |
474 | } | |
475 | ||
476 | avformat_close_input(&ctx); | |
477 | ||
478 | err = read_mfra(tracks, orig_tracks, file, split, ismf, basename, | |
479 | output_prefix); | |
480 | ||
481 | fail: | |
482 | if (ctx) | |
483 | avformat_close_input(&ctx); | |
484 | return err; | |
485 | } | |
486 | ||
487 | static void output_server_manifest(struct Tracks *tracks, const char *basename, | |
488 | const char *output_prefix, | |
489 | const char *path_prefix, | |
490 | const char *ismc_prefix) | |
491 | { | |
492 | char filename[1000]; | |
493 | FILE *out; | |
494 | int i; | |
495 | ||
496 | snprintf(filename, sizeof(filename), "%s%s.ism", output_prefix, basename); | |
497 | out = fopen(filename, "w"); | |
498 | if (!out) { | |
499 | perror(filename); | |
500 | return; | |
501 | } | |
502 | fprintf(out, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"); | |
503 | fprintf(out, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n"); | |
504 | fprintf(out, "\t<head>\n"); | |
505 | fprintf(out, "\t\t<meta name=\"clientManifestRelativePath\" " | |
506 | "content=\"%s%s.ismc\" />\n", ismc_prefix, basename); | |
507 | fprintf(out, "\t</head>\n"); | |
508 | fprintf(out, "\t<body>\n"); | |
509 | fprintf(out, "\t\t<switch>\n"); | |
510 | for (i = 0; i < tracks->nb_tracks; i++) { | |
511 | struct Track *track = tracks->tracks[i]; | |
512 | const char *type = track->is_video ? "video" : "audio"; | |
513 | fprintf(out, "\t\t\t<%s src=\"%s%s\" systemBitrate=\"%d\">\n", | |
514 | type, path_prefix, track->name, track->bitrate); | |
515 | fprintf(out, "\t\t\t\t<param name=\"trackID\" value=\"%d\" " | |
516 | "valueType=\"data\" />\n", track->track_id); | |
517 | fprintf(out, "\t\t\t</%s>\n", type); | |
518 | } | |
519 | fprintf(out, "\t\t</switch>\n"); | |
520 | fprintf(out, "\t</body>\n"); | |
521 | fprintf(out, "</smil>\n"); | |
522 | fclose(out); | |
523 | } | |
524 | ||
525 | static void print_track_chunks(FILE *out, struct Tracks *tracks, int main, | |
526 | const char *type) | |
527 | { | |
528 | int i, j; | |
529 | struct Track *track = tracks->tracks[main]; | |
530 | int should_print_time_mismatch = 1; | |
531 | ||
532 | for (i = 0; i < track->chunks; i++) { | |
533 | for (j = main + 1; j < tracks->nb_tracks; j++) { | |
534 | if (tracks->tracks[j]->is_audio == track->is_audio) { | |
535 | if (track->offsets[i].duration != tracks->tracks[j]->offsets[i].duration) { | |
536 | fprintf(stderr, "Mismatched duration of %s chunk %d in %s (%d) and %s (%d)\n", | |
537 | type, i, track->name, main, tracks->tracks[j]->name, j); | |
538 | should_print_time_mismatch = 1; | |
539 | } | |
540 | if (track->offsets[i].time != tracks->tracks[j]->offsets[i].time) { | |
541 | if (should_print_time_mismatch) | |
542 | fprintf(stderr, "Mismatched (start) time of %s chunk %d in %s (%d) and %s (%d)\n", | |
543 | type, i, track->name, main, tracks->tracks[j]->name, j); | |
544 | should_print_time_mismatch = 0; | |
545 | } | |
546 | } | |
547 | } | |
548 | fprintf(out, "\t\t<c n=\"%d\" d=\"%"PRId64"\" />\n", | |
549 | i, track->offsets[i].duration); | |
550 | } | |
551 | } | |
552 | ||
553 | static void output_client_manifest(struct Tracks *tracks, const char *basename, | |
554 | const char *output_prefix, int split) | |
555 | { | |
556 | char filename[1000]; | |
557 | FILE *out; | |
558 | int i, j; | |
559 | ||
560 | if (split) | |
561 | snprintf(filename, sizeof(filename), "%sManifest", output_prefix); | |
562 | else | |
563 | snprintf(filename, sizeof(filename), "%s%s.ismc", output_prefix, basename); | |
564 | out = fopen(filename, "w"); | |
565 | if (!out) { | |
566 | perror(filename); | |
567 | return; | |
568 | } | |
569 | fprintf(out, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"); | |
570 | fprintf(out, "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" " | |
571 | "Duration=\"%"PRId64 "\">\n", tracks->duration * 10); | |
572 | if (tracks->video_track >= 0) { | |
573 | struct Track *track = tracks->tracks[tracks->video_track]; | |
574 | struct Track *first_track = track; | |
575 | int index = 0; | |
576 | fprintf(out, | |
577 | "\t<StreamIndex Type=\"video\" QualityLevels=\"%d\" " | |
578 | "Chunks=\"%d\" " | |
579 | "Url=\"QualityLevels({bitrate})/Fragments(video={start time})\">\n", | |
580 | tracks->nb_video_tracks, track->chunks); | |
581 | for (i = 0; i < tracks->nb_tracks; i++) { | |
582 | track = tracks->tracks[i]; | |
583 | if (!track->is_video) | |
584 | continue; | |
585 | fprintf(out, | |
586 | "\t\t<QualityLevel Index=\"%d\" Bitrate=\"%d\" " | |
587 | "FourCC=\"%s\" MaxWidth=\"%d\" MaxHeight=\"%d\" " | |
588 | "CodecPrivateData=\"", | |
589 | index, track->bitrate, track->fourcc, track->width, track->height); | |
590 | for (j = 0; j < track->codec_private_size; j++) | |
591 | fprintf(out, "%02X", track->codec_private[j]); | |
592 | fprintf(out, "\" />\n"); | |
593 | index++; | |
594 | if (track->chunks != first_track->chunks) | |
595 | fprintf(stderr, "Mismatched number of video chunks in %s (id: %d, chunks %d) and %s (id: %d, chunks %d)\n", | |
596 | track->name, track->track_id, track->chunks, first_track->name, first_track->track_id, first_track->chunks); | |
597 | } | |
598 | print_track_chunks(out, tracks, tracks->video_track, "video"); | |
599 | fprintf(out, "\t</StreamIndex>\n"); | |
600 | } | |
601 | if (tracks->audio_track >= 0) { | |
602 | struct Track *track = tracks->tracks[tracks->audio_track]; | |
603 | struct Track *first_track = track; | |
604 | int index = 0; | |
605 | fprintf(out, | |
606 | "\t<StreamIndex Type=\"audio\" QualityLevels=\"%d\" " | |
607 | "Chunks=\"%d\" " | |
608 | "Url=\"QualityLevels({bitrate})/Fragments(audio={start time})\">\n", | |
609 | tracks->nb_audio_tracks, track->chunks); | |
610 | for (i = 0; i < tracks->nb_tracks; i++) { | |
611 | track = tracks->tracks[i]; | |
612 | if (!track->is_audio) | |
613 | continue; | |
614 | fprintf(out, | |
615 | "\t\t<QualityLevel Index=\"%d\" Bitrate=\"%d\" " | |
616 | "FourCC=\"%s\" SamplingRate=\"%d\" Channels=\"%d\" " | |
617 | "BitsPerSample=\"16\" PacketSize=\"%d\" " | |
618 | "AudioTag=\"%d\" CodecPrivateData=\"", | |
619 | index, track->bitrate, track->fourcc, track->sample_rate, | |
620 | track->channels, track->blocksize, track->tag); | |
621 | for (j = 0; j < track->codec_private_size; j++) | |
622 | fprintf(out, "%02X", track->codec_private[j]); | |
623 | fprintf(out, "\" />\n"); | |
624 | index++; | |
625 | if (track->chunks != first_track->chunks) | |
626 | fprintf(stderr, "Mismatched number of audio chunks in %s and %s\n", | |
627 | track->name, first_track->name); | |
628 | } | |
629 | print_track_chunks(out, tracks, tracks->audio_track, "audio"); | |
630 | fprintf(out, "\t</StreamIndex>\n"); | |
631 | } | |
632 | fprintf(out, "</SmoothStreamingMedia>\n"); | |
633 | fclose(out); | |
634 | } | |
635 | ||
636 | static void clean_tracks(struct Tracks *tracks) | |
637 | { | |
638 | int i; | |
639 | for (i = 0; i < tracks->nb_tracks; i++) { | |
640 | av_freep(&tracks->tracks[i]->codec_private); | |
641 | av_freep(&tracks->tracks[i]->offsets); | |
642 | av_freep(&tracks->tracks[i]); | |
643 | } | |
644 | av_freep(&tracks->tracks); | |
645 | tracks->nb_tracks = 0; | |
646 | } | |
647 | ||
648 | int main(int argc, char **argv) | |
649 | { | |
650 | const char *basename = NULL; | |
651 | const char *path_prefix = "", *ismc_prefix = ""; | |
652 | const char *output_prefix = ""; | |
653 | char output_prefix_buf[2048]; | |
654 | int split = 0, ismf = 0, i; | |
655 | struct Tracks tracks = { 0, .video_track = -1, .audio_track = -1 }; | |
656 | ||
657 | av_register_all(); | |
658 | ||
659 | for (i = 1; i < argc; i++) { | |
660 | if (!strcmp(argv[i], "-n")) { | |
661 | basename = argv[i + 1]; | |
662 | i++; | |
663 | } else if (!strcmp(argv[i], "-path-prefix")) { | |
664 | path_prefix = argv[i + 1]; | |
665 | i++; | |
666 | } else if (!strcmp(argv[i], "-ismc-prefix")) { | |
667 | ismc_prefix = argv[i + 1]; | |
668 | i++; | |
669 | } else if (!strcmp(argv[i], "-output")) { | |
670 | output_prefix = argv[i + 1]; | |
671 | i++; | |
672 | if (output_prefix[strlen(output_prefix) - 1] != '/') { | |
673 | snprintf(output_prefix_buf, sizeof(output_prefix_buf), | |
674 | "%s/", output_prefix); | |
675 | output_prefix = output_prefix_buf; | |
676 | } | |
677 | } else if (!strcmp(argv[i], "-split")) { | |
678 | split = 1; | |
679 | } else if (!strcmp(argv[i], "-ismf")) { | |
680 | ismf = 1; | |
681 | } else if (argv[i][0] == '-') { | |
682 | return usage(argv[0], 1); | |
683 | } else { | |
684 | if (!basename) | |
685 | ismf = 0; | |
686 | if (handle_file(&tracks, argv[i], split, ismf, | |
687 | basename, output_prefix)) | |
688 | return 1; | |
689 | } | |
690 | } | |
691 | if (!tracks.nb_tracks || (!basename && !split)) | |
692 | return usage(argv[0], 1); | |
693 | ||
694 | if (!split) | |
695 | output_server_manifest(&tracks, basename, output_prefix, | |
696 | path_prefix, ismc_prefix); | |
697 | output_client_manifest(&tracks, basename, output_prefix, split); | |
698 | ||
699 | clean_tracks(&tracks); | |
700 | ||
701 | return 0; | |
702 | } |