3 * Copyright (c) 2000 Fabrice Bellard.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 * - fill all fields if non streamed (nb_frames for example)
27 #ifdef CONFIG_ENCODERS
28 typedef struct AVIIentry {
29 unsigned int flags, pos, len;
32 #define AVI_INDEX_CLUSTER_SIZE 16384
34 typedef struct AVIIndex {
42 offset_t riff_start, movi_list, odml_list;
43 offset_t frames_hdr_all, frames_hdr_strm[MAX_STREAMS];
44 int audio_strm_length[MAX_STREAMS];
47 AVIIndex indexes[MAX_STREAMS];
50 static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
52 int cl = ent_id / AVI_INDEX_CLUSTER_SIZE;
53 int id = ent_id % AVI_INDEX_CLUSTER_SIZE;
54 return &idx->cluster[cl][id];
57 offset_t start_tag(ByteIOContext *pb, const char *tag)
64 void end_tag(ByteIOContext *pb, offset_t start)
69 url_fseek(pb, start - 4, SEEK_SET);
70 put_le32(pb, (uint32_t)(pos - start));
71 url_fseek(pb, pos, SEEK_SET);
73 #endif //CONFIG_ENCODERS
75 /* Note: when encoding, the first matching tag is used, so order is
76 important if multiple tags possible for a given codec. */
77 const CodecTag codec_bmp_tags[] = {
78 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
80 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
81 { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
82 { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
84 /* added based on MPlayer */
85 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
86 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
88 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X'), .invalid_asf = 1 },
89 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0'), .invalid_asf = 1 },
90 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D'), .invalid_asf = 1 },
91 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
92 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
93 { CODEC_ID_MPEG4, MKTAG(0x04, 0, 0, 0) }, /* some broken avi use this */
95 /* added based on MPlayer */
96 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
97 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
98 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
99 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
101 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3'), .invalid_asf = 1 }, /* default signature when using MSMPEG4 */
102 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
104 /* added based on MPlayer */
105 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
106 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
107 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
108 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
109 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
110 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
111 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
113 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
115 /* added based on MPlayer */
116 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
118 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
120 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
122 /* added based on MPlayer */
123 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
124 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
125 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
126 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
127 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
128 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
129 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
130 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
131 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
132 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
133 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
134 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
135 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
136 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
137 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
138 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
139 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
140 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
141 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
142 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
143 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
144 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
145 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
146 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
147 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
148 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
149 { CODEC_ID_MSRLE, MKTAG(0x1, 0x0, 0x0, 0x0) },
150 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
151 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
152 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
153 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
154 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
155 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
156 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
160 unsigned int codec_get_tag(const CodecTag *tags, int id)
162 while (tags->id != 0) {
170 static unsigned int codec_get_asf_tag(const CodecTag *tags, int id)
172 while (tags->id != 0) {
173 if (!tags->invalid_asf && tags->id == id)
180 enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag)
182 while (tags->id != 0) {
183 if( toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF)
184 && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF)
185 && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF)
186 && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF))
190 return CODEC_ID_NONE;
193 unsigned int codec_get_bmp_tag(int id)
195 return codec_get_tag(codec_bmp_tags, id);
198 unsigned int codec_get_wav_tag(int id)
200 return codec_get_tag(codec_wav_tags, id);
203 enum CodecID codec_get_bmp_id(unsigned int tag)
205 return codec_get_id(codec_bmp_tags, tag);
208 enum CodecID codec_get_wav_id(unsigned int tag)
210 return codec_get_id(codec_wav_tags, tag);
213 #ifdef CONFIG_ENCODERS
214 /* BITMAPINFOHEADER header */
215 void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf)
217 put_le32(pb, 40 + enc->extradata_size); /* size */
218 put_le32(pb, enc->width);
219 put_le32(pb, enc->height);
220 put_le16(pb, 1); /* planes */
222 put_le16(pb, enc->bits_per_sample ? enc->bits_per_sample : 24); /* depth */
223 /* compression type */
224 put_le32(pb, for_asf ? codec_get_asf_tag(tags, enc->codec_id) : enc->codec_tag);
225 put_le32(pb, enc->width * enc->height * 3);
231 put_buffer(pb, enc->extradata, enc->extradata_size);
233 if (enc->extradata_size & 1)
237 static void parse_specific_params(AVCodecContext *stream, int *au_byterate, int *au_ssize, int *au_scale)
239 switch(stream->codec_id) {
240 case CODEC_ID_PCM_S16LE:
241 *au_scale = *au_ssize = 2*stream->channels;
242 *au_byterate = *au_ssize * stream->sample_rate;
244 case CODEC_ID_PCM_U8:
245 case CODEC_ID_PCM_ALAW:
246 case CODEC_ID_PCM_MULAW:
247 *au_scale = *au_ssize = stream->channels;
248 *au_byterate = *au_ssize * stream->sample_rate;
253 *au_byterate = stream->bit_rate / 8;
257 *au_byterate = stream->bit_rate / 8;
261 *au_byterate = stream->bit_rate / 8;
266 static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
267 const char* riff_tag, const char* list_tag)
273 for (i=0; i<MAX_STREAMS; i++)
274 avi->indexes[i].entry = 0;
276 avi->riff_start = start_tag(pb, "RIFF");
277 put_tag(pb, riff_tag);
278 loff = start_tag(pb, "LIST");
279 put_tag(pb, list_tag);
283 static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
287 tag[1] = '0' + index;
288 if (type == CODEC_TYPE_VIDEO) {
299 static int avi_write_header(AVFormatContext *s)
301 AVIContext *avi = s->priv_data;
302 ByteIOContext *pb = &s->pb;
303 int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
304 AVCodecContext *stream, *video_enc;
305 offset_t list1, list2, strh, strf;
309 list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
313 put_le32(pb, 14 * 4);
317 for(n=0;n<s->nb_streams;n++) {
318 stream = &s->streams[n]->codec;
319 bitrate += stream->bit_rate;
320 if (stream->codec_type == CODEC_TYPE_VIDEO)
327 put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->frame_rate_base / video_enc->frame_rate));
331 put_le32(pb, bitrate / 8); /* XXX: not quite exact */
332 put_le32(pb, 0); /* padding */
333 put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
334 avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
335 put_le32(pb, nb_frames); /* nb frames, filled later */
336 put_le32(pb, 0); /* initial frame */
337 put_le32(pb, s->nb_streams); /* nb streams */
338 put_le32(pb, 1024 * 1024); /* suggested buffer size */
340 put_le32(pb, video_enc->width);
341 put_le32(pb, video_enc->height);
346 put_le32(pb, 0); /* reserved */
347 put_le32(pb, 0); /* reserved */
348 put_le32(pb, 0); /* reserved */
349 put_le32(pb, 0); /* reserved */
353 list2 = start_tag(pb, "LIST");
356 stream = &s->streams[i]->codec;
358 /* FourCC should really be set by the codec itself */
359 if (! stream->codec_tag) {
360 stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
363 /* stream generic header */
364 strh = start_tag(pb, "strh");
365 switch(stream->codec_type) {
366 case CODEC_TYPE_VIDEO:
368 put_le32(pb, stream->codec_tag);
369 put_le32(pb, 0); /* flags */
370 put_le16(pb, 0); /* priority */
371 put_le16(pb, 0); /* language */
372 put_le32(pb, 0); /* initial frame */
374 put_le32(pb, stream->frame_rate_base); /* scale */
375 put_le32(pb, stream->frame_rate); /* rate */
377 put_le32(pb, 0); /* start */
378 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
379 put_le32(pb, nb_frames); /* length, XXX: fill later */
380 put_le32(pb, 1024 * 1024); /* suggested buffer size */
381 put_le32(pb, -1); /* quality */
382 put_le32(pb, stream->width * stream->height * 3); /* sample size */
385 put_le16(pb, stream->width);
386 put_le16(pb, stream->height);
388 case CODEC_TYPE_AUDIO:
390 put_le32(pb, 1); /* tag */
391 put_le32(pb, 0); /* flags */
392 put_le16(pb, 0); /* priority */
393 put_le16(pb, 0); /* language */
394 put_le32(pb, 0); /* initial frame */
395 parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
396 put_le32(pb, au_scale); /* scale */
397 put_le32(pb, au_byterate); /* rate */
398 put_le32(pb, 0); /* start */
399 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
400 put_le32(pb, 0); /* length, XXX: filled later */
401 put_le32(pb, 12 * 1024); /* suggested buffer size */
402 put_le32(pb, -1); /* quality */
403 put_le32(pb, au_ssize); /* sample size */
412 strf = start_tag(pb, "strf");
413 switch(stream->codec_type) {
414 case CODEC_TYPE_VIDEO:
415 put_bmp_header(pb, stream, codec_bmp_tags, 0);
417 case CODEC_TYPE_AUDIO:
418 if (put_wav_header(pb, stream) < 0) {
428 if (!url_is_streamed(pb)) {
429 unsigned char tag[5];
432 /* Starting to lay out AVI OpenDML master index.
433 * We want to make it JUNK entry for now, since we'd
434 * like to get away without making AVI an OpenDML one
435 * for compatibility reasons.
437 avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
438 avi->indexes[i].indx_start = start_tag(pb, "JUNK");
439 put_le16(pb, 4); /* wLongsPerEntry */
440 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
441 put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
442 put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
443 put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
445 put_le64(pb, 0); /* dwReserved[3]
446 put_le32(pb, 0); Must be 0. */
447 for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
449 end_tag(pb, avi->indexes[i].indx_start);
455 if (!url_is_streamed(pb)) {
456 /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
457 avi->odml_list = start_tag(pb, "JUNK");
461 for (i = 0; i < 248; i+= 4)
463 end_tag(pb, avi->odml_list);
468 avi->movi_list = start_tag(pb, "LIST");
471 put_flush_packet(pb);
476 static int avi_write_ix(AVFormatContext *s)
478 ByteIOContext *pb = &s->pb;
479 AVIContext *avi = s->priv_data;
480 unsigned char tag[5];
481 unsigned char ix_tag[] = "ix00";
484 if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
487 for (i=0;i<s->nb_streams;i++) {
490 avi_stream2fourcc(&tag[0], i, s->streams[i]->codec.codec_type);
493 /* Writing AVI OpenDML leaf index chunk */
495 put_tag(pb, &ix_tag[0]); /* ix?? */
496 put_le32(pb, avi->indexes[i].entry * 8 + 24);
498 put_le16(pb, 2); /* wLongsPerEntry */
499 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
500 put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
501 put_le32(pb, avi->indexes[i].entry);
503 put_tag(pb, &tag[0]); /* dwChunkId */
504 put_le64(pb, avi->movi_list);/* qwBaseOffset */
505 put_le32(pb, 0); /* dwReserved_3 (must be 0) */
507 for (j=0; j<avi->indexes[i].entry; j++) {
508 AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
509 put_le32(pb, ie->pos + 8);
510 put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
511 (ie->flags & 0x10 ? 0 : 0x80000000));
513 put_flush_packet(pb);
516 /* Updating one entry in the AVI OpenDML master index */
517 url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
518 put_tag(pb, "indx"); /* enabling this entry */
520 put_le32(pb, avi->riff_id); /* nEntriesInUse */
521 url_fskip(pb, 16*avi->riff_id);
522 put_le64(pb, ix); /* qwOffset */
523 put_le32(pb, pos - ix); /* dwSize */
524 put_le32(pb, avi->indexes[i].entry); /* dwDuration */
526 url_fseek(pb, pos, SEEK_SET);
531 static int avi_write_idx1(AVFormatContext *s)
533 ByteIOContext *pb = &s->pb;
534 AVIContext *avi = s->priv_data;
535 offset_t file_size, idx_chunk;
536 int i, n, nb_frames, au_byterate, au_ssize, au_scale;
537 AVCodecContext *stream;
538 unsigned char tag[5];
540 if (!url_is_streamed(pb)) {
541 AVIIentry* ie = 0, *tie;
542 int entry[MAX_STREAMS];
543 int empty, stream_id = -1;
545 idx_chunk = start_tag(pb, "idx1");
546 memset(&entry[0], 0, sizeof(entry));
549 for (i=0; i<s->nb_streams; i++) {
550 if (avi->indexes[i].entry <= entry[i])
553 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
554 if (empty || tie->pos < ie->pos) {
561 avi_stream2fourcc(&tag[0], stream_id,
562 s->streams[stream_id]->codec.codec_type);
563 put_tag(pb, &tag[0]);
564 put_le32(pb, ie->flags);
565 put_le32(pb, ie->pos);
566 put_le32(pb, ie->len);
570 end_tag(pb, idx_chunk);
572 /* Fill in frame/sample counters */
573 file_size = url_ftell(pb);
575 for(n=0;n<s->nb_streams;n++) {
576 if (avi->frames_hdr_strm[n] != 0) {
577 stream = &s->streams[n]->codec;
578 url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
579 if (stream->codec_type == CODEC_TYPE_VIDEO) {
580 put_le32(pb, stream->frame_number);
581 if (nb_frames < stream->frame_number)
582 nb_frames = stream->frame_number;
584 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
585 put_le32(pb, stream->frame_number);
586 nb_frames += stream->frame_number;
588 parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
589 put_le32(pb, avi->audio_strm_length[n] / au_ssize);
594 if (avi->frames_hdr_all != 0) {
595 url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
596 put_le32(pb, nb_frames);
598 url_fseek(pb, file_size, SEEK_SET);
603 static int avi_write_packet(AVFormatContext *s, int stream_index,
604 const uint8_t *buf, int size, int64_t pts)
606 AVIContext *avi = s->priv_data;
607 ByteIOContext *pb = &s->pb;
608 unsigned char tag[5];
612 if (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE) {
614 end_tag(pb, avi->movi_list);
616 if (avi->riff_id == 1)
619 end_tag(pb, avi->riff_start);
620 avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
623 enc = &s->streams[stream_index]->codec;
624 avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
625 if (enc->codec_type == CODEC_TYPE_AUDIO) {
626 avi->audio_strm_length[stream_index] += size;
629 flags = enc->coded_frame->key_frame ? 0x10 : 0x00;
631 if (!url_is_streamed(&s->pb)) {
632 AVIIndex* idx = &avi->indexes[stream_index];
633 int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
634 int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
635 if (idx->ents_allocated <= idx->entry) {
636 idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
639 idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
640 if (!idx->cluster[cl])
642 idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
645 idx->cluster[cl][id].flags = flags;
646 idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
647 idx->cluster[cl][id].len = size;
651 put_buffer(pb, tag, 4);
653 put_buffer(pb, buf, size);
657 put_flush_packet(pb);
661 static int avi_write_trailer(AVFormatContext *s)
663 AVIContext *avi = s->priv_data;
664 ByteIOContext *pb = &s->pb;
666 int i, j, n, nb_frames;
669 if (avi->riff_id == 1) {
670 end_tag(pb, avi->movi_list);
671 res = avi_write_idx1(s);
672 end_tag(pb, avi->riff_start);
675 end_tag(pb, avi->movi_list);
676 end_tag(pb, avi->riff_start);
678 file_size = url_ftell(pb);
679 url_fseek(pb, avi->odml_list - 8, SEEK_SET);
680 put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
683 for (n=nb_frames=0;n<s->nb_streams;n++) {
684 AVCodecContext *stream = &s->streams[n]->codec;
685 if (stream->codec_type == CODEC_TYPE_VIDEO) {
686 if (nb_frames < stream->frame_number)
687 nb_frames = stream->frame_number;
689 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
690 nb_frames += stream->frame_number;
694 put_le32(pb, nb_frames);
695 url_fseek(pb, file_size, SEEK_SET);
697 put_flush_packet(pb);
699 for (i=0; i<MAX_STREAMS; i++) {
700 for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
701 av_free(avi->indexes[i].cluster[j]);
702 av_free(avi->indexes[i].cluster);
703 avi->indexes[i].cluster = NULL;
704 avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
710 static AVOutputFormat avi_oformat = {
723 int avienc_init(void)
725 av_register_output_format(&avi_oformat);
728 #endif //CONFIG_ENCODERS