Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * Flash Compatible Streaming Format muxer | |
3 | * Copyright (c) 2000 Fabrice Bellard | |
4 | * Copyright (c) 2003 Tinic Uro | |
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 "libavcodec/put_bits.h" | |
24 | #include "libavutil/avassert.h" | |
25 | #include "avformat.h" | |
26 | #include "swf.h" | |
27 | ||
28 | static void put_swf_tag(AVFormatContext *s, int tag) | |
29 | { | |
30 | SWFContext *swf = s->priv_data; | |
31 | AVIOContext *pb = s->pb; | |
32 | ||
33 | swf->tag_pos = avio_tell(pb); | |
34 | swf->tag = tag; | |
35 | /* reserve some room for the tag */ | |
36 | if (tag & TAG_LONG) { | |
37 | avio_wl16(pb, 0); | |
38 | avio_wl32(pb, 0); | |
39 | } else { | |
40 | avio_wl16(pb, 0); | |
41 | } | |
42 | } | |
43 | ||
44 | static void put_swf_end_tag(AVFormatContext *s) | |
45 | { | |
46 | SWFContext *swf = s->priv_data; | |
47 | AVIOContext *pb = s->pb; | |
48 | int64_t pos; | |
49 | int tag_len, tag; | |
50 | ||
51 | pos = avio_tell(pb); | |
52 | tag_len = pos - swf->tag_pos - 2; | |
53 | tag = swf->tag; | |
54 | avio_seek(pb, swf->tag_pos, SEEK_SET); | |
55 | if (tag & TAG_LONG) { | |
56 | tag &= ~TAG_LONG; | |
57 | avio_wl16(pb, (tag << 6) | 0x3f); | |
58 | avio_wl32(pb, tag_len - 4); | |
59 | } else { | |
60 | av_assert0(tag_len < 0x3f); | |
61 | avio_wl16(pb, (tag << 6) | tag_len); | |
62 | } | |
63 | avio_seek(pb, pos, SEEK_SET); | |
64 | } | |
65 | ||
66 | static inline void max_nbits(int *nbits_ptr, int val) | |
67 | { | |
68 | int n; | |
69 | ||
70 | if (val == 0) | |
71 | return; | |
72 | val = abs(val); | |
73 | n = 1; | |
74 | while (val != 0) { | |
75 | n++; | |
76 | val >>= 1; | |
77 | } | |
78 | if (n > *nbits_ptr) | |
79 | *nbits_ptr = n; | |
80 | } | |
81 | ||
82 | static void put_swf_rect(AVIOContext *pb, | |
83 | int xmin, int xmax, int ymin, int ymax) | |
84 | { | |
85 | PutBitContext p; | |
86 | uint8_t buf[256]; | |
87 | int nbits, mask; | |
88 | ||
89 | init_put_bits(&p, buf, sizeof(buf)); | |
90 | ||
91 | nbits = 0; | |
92 | max_nbits(&nbits, xmin); | |
93 | max_nbits(&nbits, xmax); | |
94 | max_nbits(&nbits, ymin); | |
95 | max_nbits(&nbits, ymax); | |
96 | mask = (1 << nbits) - 1; | |
97 | ||
98 | /* rectangle info */ | |
99 | put_bits(&p, 5, nbits); | |
100 | put_bits(&p, nbits, xmin & mask); | |
101 | put_bits(&p, nbits, xmax & mask); | |
102 | put_bits(&p, nbits, ymin & mask); | |
103 | put_bits(&p, nbits, ymax & mask); | |
104 | ||
105 | flush_put_bits(&p); | |
106 | avio_write(pb, buf, put_bits_ptr(&p) - p.buf); | |
107 | } | |
108 | ||
109 | static void put_swf_line_edge(PutBitContext *pb, int dx, int dy) | |
110 | { | |
111 | int nbits, mask; | |
112 | ||
113 | put_bits(pb, 1, 1); /* edge */ | |
114 | put_bits(pb, 1, 1); /* line select */ | |
115 | nbits = 2; | |
116 | max_nbits(&nbits, dx); | |
117 | max_nbits(&nbits, dy); | |
118 | ||
119 | mask = (1 << nbits) - 1; | |
120 | put_bits(pb, 4, nbits - 2); /* 16 bits precision */ | |
121 | if (dx == 0) { | |
122 | put_bits(pb, 1, 0); | |
123 | put_bits(pb, 1, 1); | |
124 | put_bits(pb, nbits, dy & mask); | |
125 | } else if (dy == 0) { | |
126 | put_bits(pb, 1, 0); | |
127 | put_bits(pb, 1, 0); | |
128 | put_bits(pb, nbits, dx & mask); | |
129 | } else { | |
130 | put_bits(pb, 1, 1); | |
131 | put_bits(pb, nbits, dx & mask); | |
132 | put_bits(pb, nbits, dy & mask); | |
133 | } | |
134 | } | |
135 | ||
136 | #define FRAC_BITS 16 | |
137 | ||
138 | static void put_swf_matrix(AVIOContext *pb, | |
139 | int a, int b, int c, int d, int tx, int ty) | |
140 | { | |
141 | PutBitContext p; | |
142 | uint8_t buf[256]; | |
143 | int nbits; | |
144 | ||
145 | init_put_bits(&p, buf, sizeof(buf)); | |
146 | ||
147 | put_bits(&p, 1, 1); /* a, d present */ | |
148 | nbits = 1; | |
149 | max_nbits(&nbits, a); | |
150 | max_nbits(&nbits, d); | |
151 | put_bits(&p, 5, nbits); /* nb bits */ | |
152 | put_bits(&p, nbits, a); | |
153 | put_bits(&p, nbits, d); | |
154 | ||
155 | put_bits(&p, 1, 1); /* b, c present */ | |
156 | nbits = 1; | |
157 | max_nbits(&nbits, c); | |
158 | max_nbits(&nbits, b); | |
159 | put_bits(&p, 5, nbits); /* nb bits */ | |
160 | put_bits(&p, nbits, c); | |
161 | put_bits(&p, nbits, b); | |
162 | ||
163 | nbits = 1; | |
164 | max_nbits(&nbits, tx); | |
165 | max_nbits(&nbits, ty); | |
166 | put_bits(&p, 5, nbits); /* nb bits */ | |
167 | put_bits(&p, nbits, tx); | |
168 | put_bits(&p, nbits, ty); | |
169 | ||
170 | flush_put_bits(&p); | |
171 | avio_write(pb, buf, put_bits_ptr(&p) - p.buf); | |
172 | } | |
173 | ||
174 | static int swf_write_header(AVFormatContext *s) | |
175 | { | |
176 | SWFContext *swf = s->priv_data; | |
177 | AVIOContext *pb = s->pb; | |
178 | PutBitContext p; | |
179 | uint8_t buf1[256]; | |
180 | int i, width, height, rate, rate_base; | |
181 | int version; | |
182 | ||
183 | swf->sound_samples = 0; | |
184 | swf->swf_frame_number = 0; | |
185 | swf->video_frame_number = 0; | |
186 | ||
187 | for(i=0;i<s->nb_streams;i++) { | |
188 | AVCodecContext *enc = s->streams[i]->codec; | |
189 | if (enc->codec_type == AVMEDIA_TYPE_AUDIO) { | |
190 | if (swf->audio_enc) { | |
191 | av_log(s, AV_LOG_ERROR, "SWF muxer only supports 1 audio stream\n"); | |
192 | return AVERROR_INVALIDDATA; | |
193 | } | |
194 | if (enc->codec_id == AV_CODEC_ID_MP3) { | |
195 | if (!enc->frame_size) { | |
196 | av_log(s, AV_LOG_ERROR, "audio frame size not set\n"); | |
197 | return -1; | |
198 | } | |
199 | swf->audio_enc = enc; | |
200 | swf->audio_fifo= av_fifo_alloc(AUDIO_FIFO_SIZE); | |
201 | if (!swf->audio_fifo) | |
202 | return AVERROR(ENOMEM); | |
203 | } else { | |
204 | av_log(s, AV_LOG_ERROR, "SWF muxer only supports MP3\n"); | |
205 | return -1; | |
206 | } | |
207 | } else { | |
208 | if (swf->video_enc) { | |
209 | av_log(s, AV_LOG_ERROR, "SWF muxer only supports 1 video stream\n"); | |
210 | return AVERROR_INVALIDDATA; | |
211 | } | |
212 | if (enc->codec_id == AV_CODEC_ID_VP6F || | |
213 | enc->codec_id == AV_CODEC_ID_FLV1 || | |
214 | enc->codec_id == AV_CODEC_ID_MJPEG) { | |
215 | swf->video_st = s->streams[i]; | |
216 | swf->video_enc = enc; | |
217 | } else { | |
218 | av_log(s, AV_LOG_ERROR, "SWF muxer only supports VP6, FLV1 and MJPEG\n"); | |
219 | return -1; | |
220 | } | |
221 | } | |
222 | } | |
223 | ||
224 | if (!swf->video_enc) { | |
225 | /* currently, cannot work correctly if audio only */ | |
226 | width = 320; | |
227 | height = 200; | |
228 | rate = 10; | |
229 | rate_base= 1; | |
230 | } else { | |
231 | width = swf->video_enc->width; | |
232 | height = swf->video_enc->height; | |
233 | // TODO: should be avg_frame_rate | |
234 | rate = swf->video_st->time_base.den; | |
235 | rate_base = swf->video_st->time_base.num; | |
236 | } | |
237 | ||
238 | if (!swf->audio_enc) | |
239 | swf->samples_per_frame = (44100.0 * rate_base) / rate; | |
240 | else | |
241 | swf->samples_per_frame = (swf->audio_enc->sample_rate * rate_base) / rate; | |
242 | ||
243 | avio_write(pb, "FWS", 3); | |
244 | ||
245 | if (!strcmp("avm2", s->oformat->name)) | |
246 | version = 9; | |
247 | else if (swf->video_enc && swf->video_enc->codec_id == AV_CODEC_ID_VP6F) | |
248 | version = 8; /* version 8 and above support VP6 codec */ | |
249 | else if (swf->video_enc && swf->video_enc->codec_id == AV_CODEC_ID_FLV1) | |
250 | version = 6; /* version 6 and above support FLV1 codec */ | |
251 | else | |
252 | version = 4; /* version 4 for mpeg audio support */ | |
253 | avio_w8(pb, version); | |
254 | ||
255 | avio_wl32(pb, DUMMY_FILE_SIZE); /* dummy size | |
256 | (will be patched if not streamed) */ | |
257 | ||
258 | put_swf_rect(pb, 0, width * 20, 0, height * 20); | |
259 | avio_wl16(pb, (rate * 256) / rate_base); /* frame rate */ | |
260 | swf->duration_pos = avio_tell(pb); | |
261 | avio_wl16(pb, (uint16_t)(DUMMY_DURATION * (int64_t)rate / rate_base)); /* frame count */ | |
262 | ||
263 | /* avm2/swf v9 (also v8?) files require a file attribute tag */ | |
264 | if (version == 9) { | |
265 | put_swf_tag(s, TAG_FILEATTRIBUTES); | |
266 | avio_wl32(pb, 1<<3); /* set ActionScript v3/AVM2 flag */ | |
267 | put_swf_end_tag(s); | |
268 | } | |
269 | ||
270 | /* define a shape with the jpeg inside */ | |
271 | if (swf->video_enc && swf->video_enc->codec_id == AV_CODEC_ID_MJPEG) { | |
272 | put_swf_tag(s, TAG_DEFINESHAPE); | |
273 | ||
274 | avio_wl16(pb, SHAPE_ID); /* ID of shape */ | |
275 | /* bounding rectangle */ | |
276 | put_swf_rect(pb, 0, width, 0, height); | |
277 | /* style info */ | |
278 | avio_w8(pb, 1); /* one fill style */ | |
279 | avio_w8(pb, 0x41); /* clipped bitmap fill */ | |
280 | avio_wl16(pb, BITMAP_ID); /* bitmap ID */ | |
281 | /* position of the bitmap */ | |
282 | put_swf_matrix(pb, (int)(1.0 * (1 << FRAC_BITS)), 0, | |
283 | 0, (int)(1.0 * (1 << FRAC_BITS)), 0, 0); | |
284 | avio_w8(pb, 0); /* no line style */ | |
285 | ||
286 | /* shape drawing */ | |
287 | init_put_bits(&p, buf1, sizeof(buf1)); | |
288 | put_bits(&p, 4, 1); /* one fill bit */ | |
289 | put_bits(&p, 4, 0); /* zero line bit */ | |
290 | ||
291 | put_bits(&p, 1, 0); /* not an edge */ | |
292 | put_bits(&p, 5, FLAG_MOVETO | FLAG_SETFILL0); | |
293 | put_bits(&p, 5, 1); /* nbits */ | |
294 | put_bits(&p, 1, 0); /* X */ | |
295 | put_bits(&p, 1, 0); /* Y */ | |
296 | put_bits(&p, 1, 1); /* set fill style 1 */ | |
297 | ||
298 | /* draw the rectangle ! */ | |
299 | put_swf_line_edge(&p, width, 0); | |
300 | put_swf_line_edge(&p, 0, height); | |
301 | put_swf_line_edge(&p, -width, 0); | |
302 | put_swf_line_edge(&p, 0, -height); | |
303 | ||
304 | /* end of shape */ | |
305 | put_bits(&p, 1, 0); /* not an edge */ | |
306 | put_bits(&p, 5, 0); | |
307 | ||
308 | flush_put_bits(&p); | |
309 | avio_write(pb, buf1, put_bits_ptr(&p) - p.buf); | |
310 | ||
311 | put_swf_end_tag(s); | |
312 | } | |
313 | ||
314 | if (swf->audio_enc && swf->audio_enc->codec_id == AV_CODEC_ID_MP3) { | |
315 | int v = 0; | |
316 | ||
317 | /* start sound */ | |
318 | put_swf_tag(s, TAG_STREAMHEAD2); | |
319 | switch(swf->audio_enc->sample_rate) { | |
320 | case 11025: v |= 1 << 2; break; | |
321 | case 22050: v |= 2 << 2; break; | |
322 | case 44100: v |= 3 << 2; break; | |
323 | default: | |
324 | /* not supported */ | |
325 | av_log(s, AV_LOG_ERROR, "swf does not support that sample rate, choose from (44100, 22050, 11025).\n"); | |
326 | return -1; | |
327 | } | |
328 | v |= 0x02; /* 16 bit playback */ | |
329 | if (swf->audio_enc->channels == 2) | |
330 | v |= 0x01; /* stereo playback */ | |
331 | avio_w8(s->pb, v); | |
332 | v |= 0x20; /* mp3 compressed */ | |
333 | avio_w8(s->pb, v); | |
334 | avio_wl16(s->pb, swf->samples_per_frame); /* avg samples per frame */ | |
335 | avio_wl16(s->pb, 0); | |
336 | ||
337 | put_swf_end_tag(s); | |
338 | } | |
339 | ||
340 | avio_flush(s->pb); | |
341 | return 0; | |
342 | } | |
343 | ||
344 | static int swf_write_video(AVFormatContext *s, | |
345 | AVCodecContext *enc, const uint8_t *buf, int size) | |
346 | { | |
347 | SWFContext *swf = s->priv_data; | |
348 | AVIOContext *pb = s->pb; | |
349 | ||
350 | /* Flash Player limit */ | |
351 | if (swf->swf_frame_number == 16000) | |
352 | av_log(enc, AV_LOG_INFO, "warning: Flash Player limit of 16000 frames reached\n"); | |
353 | ||
354 | if (enc->codec_id == AV_CODEC_ID_VP6F || | |
355 | enc->codec_id == AV_CODEC_ID_FLV1) { | |
356 | if (swf->video_frame_number == 0) { | |
357 | /* create a new video object */ | |
358 | put_swf_tag(s, TAG_VIDEOSTREAM); | |
359 | avio_wl16(pb, VIDEO_ID); | |
360 | swf->vframes_pos = avio_tell(pb); | |
361 | avio_wl16(pb, 15000); /* hard flash player limit */ | |
362 | avio_wl16(pb, enc->width); | |
363 | avio_wl16(pb, enc->height); | |
364 | avio_w8(pb, 0); | |
365 | avio_w8(pb,ff_codec_get_tag(ff_swf_codec_tags, enc->codec_id)); | |
366 | put_swf_end_tag(s); | |
367 | ||
368 | /* place the video object for the first time */ | |
369 | put_swf_tag(s, TAG_PLACEOBJECT2); | |
370 | avio_w8(pb, 0x36); | |
371 | avio_wl16(pb, 1); | |
372 | avio_wl16(pb, VIDEO_ID); | |
373 | put_swf_matrix(pb, 1 << FRAC_BITS, 0, 0, 1 << FRAC_BITS, 0, 0); | |
374 | avio_wl16(pb, swf->video_frame_number); | |
375 | avio_write(pb, "video", 5); | |
376 | avio_w8(pb, 0x00); | |
377 | put_swf_end_tag(s); | |
378 | } else { | |
379 | /* mark the character for update */ | |
380 | put_swf_tag(s, TAG_PLACEOBJECT2); | |
381 | avio_w8(pb, 0x11); | |
382 | avio_wl16(pb, 1); | |
383 | avio_wl16(pb, swf->video_frame_number); | |
384 | put_swf_end_tag(s); | |
385 | } | |
386 | ||
387 | /* set video frame data */ | |
388 | put_swf_tag(s, TAG_VIDEOFRAME | TAG_LONG); | |
389 | avio_wl16(pb, VIDEO_ID); | |
390 | avio_wl16(pb, swf->video_frame_number++); | |
391 | avio_write(pb, buf, size); | |
392 | put_swf_end_tag(s); | |
393 | } else if (enc->codec_id == AV_CODEC_ID_MJPEG) { | |
394 | if (swf->swf_frame_number > 0) { | |
395 | /* remove the shape */ | |
396 | put_swf_tag(s, TAG_REMOVEOBJECT); | |
397 | avio_wl16(pb, SHAPE_ID); /* shape ID */ | |
398 | avio_wl16(pb, 1); /* depth */ | |
399 | put_swf_end_tag(s); | |
400 | ||
401 | /* free the bitmap */ | |
402 | put_swf_tag(s, TAG_FREECHARACTER); | |
403 | avio_wl16(pb, BITMAP_ID); | |
404 | put_swf_end_tag(s); | |
405 | } | |
406 | ||
407 | put_swf_tag(s, TAG_JPEG2 | TAG_LONG); | |
408 | ||
409 | avio_wl16(pb, BITMAP_ID); /* ID of the image */ | |
410 | ||
411 | /* a dummy jpeg header seems to be required */ | |
412 | avio_wb32(pb, 0xffd8ffd9); | |
413 | /* write the jpeg image */ | |
414 | avio_write(pb, buf, size); | |
415 | ||
416 | put_swf_end_tag(s); | |
417 | ||
418 | /* draw the shape */ | |
419 | ||
420 | put_swf_tag(s, TAG_PLACEOBJECT); | |
421 | avio_wl16(pb, SHAPE_ID); /* shape ID */ | |
422 | avio_wl16(pb, 1); /* depth */ | |
423 | put_swf_matrix(pb, 20 << FRAC_BITS, 0, 0, 20 << FRAC_BITS, 0, 0); | |
424 | put_swf_end_tag(s); | |
425 | } | |
426 | ||
427 | swf->swf_frame_number++; | |
428 | ||
429 | /* streaming sound always should be placed just before showframe tags */ | |
430 | if (swf->audio_enc && av_fifo_size(swf->audio_fifo)) { | |
431 | int frame_size = av_fifo_size(swf->audio_fifo); | |
432 | put_swf_tag(s, TAG_STREAMBLOCK | TAG_LONG); | |
433 | avio_wl16(pb, swf->sound_samples); | |
434 | avio_wl16(pb, 0); // seek samples | |
435 | av_fifo_generic_read(swf->audio_fifo, pb, frame_size, (void*)avio_write); | |
436 | put_swf_end_tag(s); | |
437 | ||
438 | /* update FIFO */ | |
439 | swf->sound_samples = 0; | |
440 | } | |
441 | ||
442 | /* output the frame */ | |
443 | put_swf_tag(s, TAG_SHOWFRAME); | |
444 | put_swf_end_tag(s); | |
445 | ||
446 | return 0; | |
447 | } | |
448 | ||
449 | static int swf_write_audio(AVFormatContext *s, | |
450 | AVCodecContext *enc, uint8_t *buf, int size) | |
451 | { | |
452 | SWFContext *swf = s->priv_data; | |
453 | ||
454 | /* Flash Player limit */ | |
455 | if (swf->swf_frame_number == 16000) | |
456 | av_log(enc, AV_LOG_INFO, "warning: Flash Player limit of 16000 frames reached\n"); | |
457 | ||
458 | if (av_fifo_size(swf->audio_fifo) + size > AUDIO_FIFO_SIZE) { | |
459 | av_log(s, AV_LOG_ERROR, "audio fifo too small to mux audio essence\n"); | |
460 | return -1; | |
461 | } | |
462 | ||
463 | av_fifo_generic_write(swf->audio_fifo, buf, size, NULL); | |
464 | swf->sound_samples += enc->frame_size; | |
465 | ||
466 | /* if audio only stream make sure we add swf frames */ | |
467 | if (!swf->video_enc) | |
468 | swf_write_video(s, enc, 0, 0); | |
469 | ||
470 | return 0; | |
471 | } | |
472 | ||
473 | static int swf_write_packet(AVFormatContext *s, AVPacket *pkt) | |
474 | { | |
475 | AVCodecContext *codec = s->streams[pkt->stream_index]->codec; | |
476 | if (codec->codec_type == AVMEDIA_TYPE_AUDIO) | |
477 | return swf_write_audio(s, codec, pkt->data, pkt->size); | |
478 | else | |
479 | return swf_write_video(s, codec, pkt->data, pkt->size); | |
480 | } | |
481 | ||
482 | static int swf_write_trailer(AVFormatContext *s) | |
483 | { | |
484 | SWFContext *swf = s->priv_data; | |
485 | AVIOContext *pb = s->pb; | |
486 | AVCodecContext *enc, *video_enc; | |
487 | int file_size, i; | |
488 | ||
489 | video_enc = NULL; | |
490 | for(i=0;i<s->nb_streams;i++) { | |
491 | enc = s->streams[i]->codec; | |
492 | if (enc->codec_type == AVMEDIA_TYPE_VIDEO) | |
493 | video_enc = enc; | |
494 | else { | |
495 | av_fifo_freep(&swf->audio_fifo); | |
496 | } | |
497 | } | |
498 | ||
499 | put_swf_tag(s, TAG_END); | |
500 | put_swf_end_tag(s); | |
501 | ||
502 | /* patch file size and number of frames if not streamed */ | |
503 | if (s->pb->seekable && video_enc) { | |
504 | file_size = avio_tell(pb); | |
505 | avio_seek(pb, 4, SEEK_SET); | |
506 | avio_wl32(pb, file_size); | |
507 | avio_seek(pb, swf->duration_pos, SEEK_SET); | |
508 | avio_wl16(pb, swf->video_frame_number); | |
509 | if (swf->vframes_pos) { | |
510 | avio_seek(pb, swf->vframes_pos, SEEK_SET); | |
511 | avio_wl16(pb, swf->video_frame_number); | |
512 | } | |
513 | avio_seek(pb, file_size, SEEK_SET); | |
514 | } | |
515 | return 0; | |
516 | } | |
517 | ||
518 | #if CONFIG_SWF_MUXER | |
519 | AVOutputFormat ff_swf_muxer = { | |
520 | .name = "swf", | |
521 | .long_name = NULL_IF_CONFIG_SMALL("SWF (ShockWave Flash)"), | |
522 | .mime_type = "application/x-shockwave-flash", | |
523 | .extensions = "swf", | |
524 | .priv_data_size = sizeof(SWFContext), | |
525 | .audio_codec = AV_CODEC_ID_MP3, | |
526 | .video_codec = AV_CODEC_ID_FLV1, | |
527 | .write_header = swf_write_header, | |
528 | .write_packet = swf_write_packet, | |
529 | .write_trailer = swf_write_trailer, | |
530 | .flags = AVFMT_TS_NONSTRICT, | |
531 | }; | |
532 | #endif | |
533 | #if CONFIG_AVM2_MUXER | |
534 | AVOutputFormat ff_avm2_muxer = { | |
535 | .name = "avm2", | |
536 | .long_name = NULL_IF_CONFIG_SMALL("SWF (ShockWave Flash) (AVM2)"), | |
537 | .mime_type = "application/x-shockwave-flash", | |
538 | .priv_data_size = sizeof(SWFContext), | |
539 | .audio_codec = AV_CODEC_ID_MP3, | |
540 | .video_codec = AV_CODEC_ID_FLV1, | |
541 | .write_header = swf_write_header, | |
542 | .write_packet = swf_write_packet, | |
543 | .write_trailer = swf_write_trailer, | |
544 | .flags = AVFMT_TS_NONSTRICT, | |
545 | }; | |
546 | #endif |