checking bitstream values and other related changes
[libav.git] / libavformat / avienc.c
CommitLineData
de6d9b64 1/*
7fbde343 2 * AVI muxer
19720f15 3 * Copyright (c) 2000 Fabrice Bellard.
de6d9b64 4 *
b78e7197
DB
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
19720f15
FB
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
b78e7197 10 * version 2.1 of the License, or (at your option) any later version.
de6d9b64 11 *
b78e7197 12 * FFmpeg is distributed in the hope that it will be useful,
de6d9b64 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19720f15
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
de6d9b64 16 *
19720f15 17 * You should have received a copy of the GNU Lesser General Public
b78e7197 18 * License along with FFmpeg; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
de6d9b64 20 */
de6d9b64
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21#include "avformat.h"
22#include "avi.h"
9d9f4119 23#include "riff.h"
de6d9b64
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24
25/*
115329f1 26 * TODO:
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27 * - fill all fields if non streamed (nb_frames for example)
28 */
29
ff70e601 30#ifdef CONFIG_AVI_MUXER
e738cee9 31typedef struct AVIIentry {
de6d9b64 32 unsigned int flags, pos, len;
e738cee9
RS
33} AVIIentry;
34
35#define AVI_INDEX_CLUSTER_SIZE 16384
36
37typedef struct AVIIndex {
38 offset_t indx_start;
39 int entry;
40 int ents_allocated;
41 AVIIentry** cluster;
de6d9b64
FB
42} AVIIndex;
43
44typedef struct {
ce9fce63
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45 offset_t riff_start, movi_list, odml_list;
46 offset_t frames_hdr_all, frames_hdr_strm[MAX_STREAMS];
86bec9a1 47 int audio_strm_length[MAX_STREAMS];
e738cee9 48 int riff_id;
50c3dd32 49 int packet_count[MAX_STREAMS];
e738cee9
RS
50
51 AVIIndex indexes[MAX_STREAMS];
de6d9b64
FB
52} AVIContext;
53
115329f1 54static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
e738cee9
RS
55{
56 int cl = ent_id / AVI_INDEX_CLUSTER_SIZE;
57 int id = ent_id % AVI_INDEX_CLUSTER_SIZE;
58 return &idx->cluster[cl][id];
59}
60
115329f1 61static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
ce9fce63
RS
62 const char* riff_tag, const char* list_tag)
63{
64 offset_t loff;
e738cee9 65 int i;
115329f1 66
e738cee9
RS
67 avi->riff_id++;
68 for (i=0; i<MAX_STREAMS; i++)
69 avi->indexes[i].entry = 0;
115329f1 70
ce9fce63
RS
71 avi->riff_start = start_tag(pb, "RIFF");
72 put_tag(pb, riff_tag);
73 loff = start_tag(pb, "LIST");
74 put_tag(pb, list_tag);
75 return loff;
76}
77
191e8ca7 78static char* avi_stream2fourcc(char* tag, int index, enum CodecType type)
e738cee9
RS
79{
80 tag[0] = '0';
81 tag[1] = '0' + index;
82 if (type == CODEC_TYPE_VIDEO) {
83 tag[2] = 'd';
84 tag[3] = 'c';
85 } else {
86 tag[2] = 'w';
87 tag[3] = 'b';
88 }
89 tag[4] = '\0';
90 return tag;
91}
92
57060f89
DC
93static void avi_write_info_tag(ByteIOContext *pb, const char *tag, const char *str)
94{
95 int len = strlen(str);
96 if (len > 0) {
97 len++;
98 put_tag(pb, tag);
99 put_le32(pb, len);
100 put_strz(pb, str);
101 if (len & 1)
102 put_byte(pb, 0);
103 }
104}
105
5bce834e
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106static int avi_write_counters(AVFormatContext* s, int riff_id)
107{
108 ByteIOContext *pb = &s->pb;
109 AVIContext *avi = s->priv_data;
110 int n, au_byterate, au_ssize, au_scale, nb_frames = 0;
111 offset_t file_size;
112 AVCodecContext* stream;
113
114 file_size = url_ftell(pb);
115 for(n = 0; n < s->nb_streams; n++) {
116 assert(avi->frames_hdr_strm[n]);
117 stream = s->streams[n]->codec;
118 url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
119 ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
120 if(au_ssize == 0) {
121 put_le32(pb, avi->packet_count[n]);
122 } else {
123 put_le32(pb, avi->audio_strm_length[n] / au_ssize);
124 }
125 if(stream->codec_type == CODEC_TYPE_VIDEO)
126 nb_frames = FFMAX(nb_frames, avi->packet_count[n]);
127 }
128 if(riff_id == 1) {
129 assert(avi->frames_hdr_all);
130 url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
131 put_le32(pb, nb_frames);
132 }
133 url_fseek(pb, file_size, SEEK_SET);
134
135 return 0;
136}
137
de6d9b64
FB
138static int avi_write_header(AVFormatContext *s)
139{
c9a65ca8 140 AVIContext *avi = s->priv_data;
de6d9b64 141 ByteIOContext *pb = &s->pb;
86bec9a1 142 int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
de6d9b64
FB
143 AVCodecContext *stream, *video_enc;
144 offset_t list1, list2, strh, strf;
145
de6d9b64 146 /* header list */
e738cee9 147 avi->riff_id = 0;
ce9fce63 148 list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
de6d9b64
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149
150 /* avi header */
151 put_tag(pb, "avih");
152 put_le32(pb, 14 * 4);
153 bitrate = 0;
154
155 video_enc = NULL;
156 for(n=0;n<s->nb_streams;n++) {
01f4895c 157 stream = s->streams[n]->codec;
de6d9b64
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158 bitrate += stream->bit_rate;
159 if (stream->codec_type == CODEC_TYPE_VIDEO)
160 video_enc = stream;
161 }
115329f1 162
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163 nb_frames = 0;
164
850742d7 165 if(video_enc){
8da9266c 166 put_le32(pb, (uint32_t)(INT64_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
850742d7 167 } else {
bb270c08 168 put_le32(pb, 0);
850742d7 169 }
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170 put_le32(pb, bitrate / 8); /* XXX: not quite exact */
171 put_le32(pb, 0); /* padding */
a2a2668d 172 if (url_is_streamed(pb))
bb270c08 173 put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
a2a2668d 174 else
bb270c08 175 put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
86bec9a1 176 avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
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177 put_le32(pb, nb_frames); /* nb frames, filled later */
178 put_le32(pb, 0); /* initial frame */
179 put_le32(pb, s->nb_streams); /* nb streams */
180 put_le32(pb, 1024 * 1024); /* suggested buffer size */
115329f1 181 if(video_enc){
98740f5a
MN
182 put_le32(pb, video_enc->width);
183 put_le32(pb, video_enc->height);
850742d7 184 } else {
bb270c08
DB
185 put_le32(pb, 0);
186 put_le32(pb, 0);
115329f1 187 }
de6d9b64
FB
188 put_le32(pb, 0); /* reserved */
189 put_le32(pb, 0); /* reserved */
190 put_le32(pb, 0); /* reserved */
191 put_le32(pb, 0); /* reserved */
115329f1 192
de6d9b64
FB
193 /* stream list */
194 for(i=0;i<n;i++) {
195 list2 = start_tag(pb, "LIST");
196 put_tag(pb, "strl");
115329f1 197
01f4895c 198 stream = s->streams[i]->codec;
de6d9b64 199
e8750b00
FR
200 /* FourCC should really be set by the codec itself */
201 if (! stream->codec_tag) {
202 stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
203 }
204
de6d9b64
FB
205 /* stream generic header */
206 strh = start_tag(pb, "strh");
207 switch(stream->codec_type) {
1d92cc2b
MN
208 case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break;
209 case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break;
210// case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break;
211 case CODEC_TYPE_DATA : put_tag(pb, "dats"); break;
de6d9b64 212 }
1d92cc2b
MN
213 if(stream->codec_type == CODEC_TYPE_VIDEO)
214 put_le32(pb, stream->codec_tag);
215 else
216 put_le32(pb, 1);
217 put_le32(pb, 0); /* flags */
218 put_le16(pb, 0); /* priority */
219 put_le16(pb, 0); /* language */
220 put_le32(pb, 0); /* initial frame */
221
222 ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
223
224 put_le32(pb, au_scale); /* scale */
225 put_le32(pb, au_byterate); /* rate */
226 av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
227
228 put_le32(pb, 0); /* start */
229 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
bb270c08
DB
230 if (url_is_streamed(pb))
231 put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
232 else
233 put_le32(pb, 0); /* length, XXX: filled later */
115329f1 234
1d92cc2b
MN
235 /* suggested buffer size */ //FIXME set at the end to largest chunk
236 if(stream->codec_type == CODEC_TYPE_VIDEO)
115329f1 237 put_le32(pb, 1024 * 1024);
1d92cc2b 238 else if(stream->codec_type == CODEC_TYPE_AUDIO)
115329f1 239 put_le32(pb, 12 * 1024);
1d92cc2b 240 else
115329f1 241 put_le32(pb, 0);
1d92cc2b
MN
242 put_le32(pb, -1); /* quality */
243 put_le32(pb, au_ssize); /* sample size */
244 put_le32(pb, 0);
245 put_le16(pb, stream->width);
246 put_le16(pb, stream->height);
de6d9b64
FB
247 end_tag(pb, strh);
248
1d92cc2b 249 if(stream->codec_type != CODEC_TYPE_DATA){
de6d9b64
FB
250 strf = start_tag(pb, "strf");
251 switch(stream->codec_type) {
252 case CODEC_TYPE_VIDEO:
bb270c08 253 put_bmp_header(pb, stream, codec_bmp_tags, 0);
de6d9b64
FB
254 break;
255 case CODEC_TYPE_AUDIO:
46a3d068 256 if (put_wav_header(pb, stream) < 0) {
1ea4f593 257 av_free(avi);
46a3d068
FB
258 return -1;
259 }
de6d9b64 260 break;
53cafac0 261 default:
71c32f19 262 return -1;
de6d9b64
FB
263 }
264 end_tag(pb, strf);
1d92cc2b 265 }
115329f1 266
bb270c08
DB
267 if (!url_is_streamed(pb)) {
268 unsigned char tag[5];
269 int j;
115329f1
DB
270
271 /* Starting to lay out AVI OpenDML master index.
bb270c08
DB
272 * We want to make it JUNK entry for now, since we'd
273 * like to get away without making AVI an OpenDML one
274 * for compatibility reasons.
275 */
276 avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
277 avi->indexes[i].indx_start = start_tag(pb, "JUNK");
278 put_le16(pb, 4); /* wLongsPerEntry */
279 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
280 put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
281 put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
282 put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
283 /* dwChunkId */
284 put_le64(pb, 0); /* dwReserved[3]
285 put_le32(pb, 0); Must be 0. */
286 for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
287 put_le64(pb, 0);
288 end_tag(pb, avi->indexes[i].indx_start);
289 }
115329f1 290
de6d9b64
FB
291 end_tag(pb, list2);
292 }
115329f1 293
e738cee9
RS
294 if (!url_is_streamed(pb)) {
295 /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
296 avi->odml_list = start_tag(pb, "JUNK");
297 put_tag(pb, "odml");
298 put_tag(pb, "dmlh");
299 put_le32(pb, 248);
300 for (i = 0; i < 248; i+= 4)
301 put_le32(pb, 0);
302 end_tag(pb, avi->odml_list);
303 }
de6d9b64
FB
304
305 end_tag(pb, list1);
115329f1 306
57060f89
DC
307 list2 = start_tag(pb, "LIST");
308 put_tag(pb, "INFO");
309 avi_write_info_tag(pb, "INAM", s->title);
310 avi_write_info_tag(pb, "IART", s->author);
311 avi_write_info_tag(pb, "ICOP", s->copyright);
312 avi_write_info_tag(pb, "ICMT", s->comment);
313 avi_write_info_tag(pb, "IPRD", s->album);
314 avi_write_info_tag(pb, "IGNR", s->genre);
2eb291c4
PI
315 if (s->track) {
316 char str_track[4];
317 snprintf(str_track, 4, "%d", s->track);
318 avi_write_info_tag(pb, "IPRT", str_track);
319 }
57060f89
DC
320 if(!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
321 avi_write_info_tag(pb, "ISFT", LIBAVFORMAT_IDENT);
322 end_tag(pb, list2);
323
324 /* some padding for easier tag editing */
325 list2 = start_tag(pb, "JUNK");
326 for (i = 0; i < 1016; i += 4)
327 put_le32(pb, 0);
328 end_tag(pb, list2);
329
de6d9b64 330 avi->movi_list = start_tag(pb, "LIST");
de6d9b64
FB
331 put_tag(pb, "movi");
332
333 put_flush_packet(pb);
334
335 return 0;
336}
337
e738cee9
RS
338static int avi_write_ix(AVFormatContext *s)
339{
340 ByteIOContext *pb = &s->pb;
341 AVIContext *avi = s->priv_data;
191e8ca7
MR
342 char tag[5];
343 char ix_tag[] = "ix00";
e738cee9 344 int i, j;
115329f1 345
9eb40bcf 346 assert(!url_is_streamed(pb));
a2a2668d 347
e738cee9
RS
348 if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
349 return -1;
115329f1 350
e738cee9 351 for (i=0;i<s->nb_streams;i++) {
bb270c08 352 offset_t ix, pos;
115329f1 353
bb270c08
DB
354 avi_stream2fourcc(&tag[0], i, s->streams[i]->codec->codec_type);
355 ix_tag[3] = '0' + i;
115329f1 356
bb270c08
DB
357 /* Writing AVI OpenDML leaf index chunk */
358 ix = url_ftell(pb);
359 put_tag(pb, &ix_tag[0]); /* ix?? */
360 put_le32(pb, avi->indexes[i].entry * 8 + 24);
361 /* chunk size */
e738cee9 362 put_le16(pb, 2); /* wLongsPerEntry */
bb270c08
DB
363 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
364 put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
365 put_le32(pb, avi->indexes[i].entry);
366 /* nEntriesInUse */
367 put_tag(pb, &tag[0]); /* dwChunkId */
368 put_le64(pb, avi->movi_list);/* qwBaseOffset */
369 put_le32(pb, 0); /* dwReserved_3 (must be 0) */
e738cee9
RS
370
371 for (j=0; j<avi->indexes[i].entry; j++) {
372 AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
bb270c08
DB
373 put_le32(pb, ie->pos + 8);
374 put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
375 (ie->flags & 0x10 ? 0 : 0x80000000));
e738cee9 376 }
bb270c08 377 put_flush_packet(pb);
e738cee9 378 pos = url_ftell(pb);
115329f1 379
bb270c08
DB
380 /* Updating one entry in the AVI OpenDML master index */
381 url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
382 put_tag(pb, "indx"); /* enabling this entry */
383 url_fskip(pb, 8);
384 put_le32(pb, avi->riff_id); /* nEntriesInUse */
385 url_fskip(pb, 16*avi->riff_id);
386 put_le64(pb, ix); /* qwOffset */
387 put_le32(pb, pos - ix); /* dwSize */
388 put_le32(pb, avi->indexes[i].entry); /* dwDuration */
389
390 url_fseek(pb, pos, SEEK_SET);
e738cee9
RS
391 }
392 return 0;
393}
394
395static int avi_write_idx1(AVFormatContext *s)
ce9fce63
RS
396{
397 ByteIOContext *pb = &s->pb;
398 AVIContext *avi = s->priv_data;
5bce834e
BB
399 offset_t idx_chunk;
400 int i;
191e8ca7 401 char tag[5];
ce9fce63
RS
402
403 if (!url_is_streamed(pb)) {
bb270c08
DB
404 AVIIentry* ie = 0, *tie;
405 int entry[MAX_STREAMS];
406 int empty, stream_id = -1;
407
408 idx_chunk = start_tag(pb, "idx1");
409 memset(&entry[0], 0, sizeof(entry));
410 do {
411 empty = 1;
412 for (i=0; i<s->nb_streams; i++) {
413 if (avi->indexes[i].entry <= entry[i])
414 continue;
415
416 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
417 if (empty || tie->pos < ie->pos) {
418 ie = tie;
419 stream_id = i;
420 }
421 empty = 0;
422 }
423 if (!empty) {
424 avi_stream2fourcc(&tag[0], stream_id,
425 s->streams[stream_id]->codec->codec_type);
426 put_tag(pb, &tag[0]);
427 put_le32(pb, ie->flags);
e738cee9
RS
428 put_le32(pb, ie->pos);
429 put_le32(pb, ie->len);
bb270c08
DB
430 entry[stream_id]++;
431 }
432 } while (!empty);
433 end_tag(pb, idx_chunk);
ce9fce63 434
5bce834e 435 avi_write_counters(s, avi->riff_id);
ce9fce63
RS
436 }
437 return 0;
438}
439
e928649b 440static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
de6d9b64
FB
441{
442 AVIContext *avi = s->priv_data;
443 ByteIOContext *pb = &s->pb;
de6d9b64 444 unsigned char tag[5];
e928649b 445 unsigned int flags=0;
e928649b 446 const int stream_index= pkt->stream_index;
01f4895c 447 AVCodecContext *enc= s->streams[stream_index]->codec;
e928649b 448 int size= pkt->size;
ce9fce63 449
949b1a13 450// av_log(s, AV_LOG_DEBUG, "%"PRId64" %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
16543599 451 while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avi->packet_count[stream_index]){
50c3dd32
MN
452 AVPacket empty_packet;
453
454 av_init_packet(&empty_packet);
455 empty_packet.size= 0;
456 empty_packet.data= NULL;
457 empty_packet.stream_index= stream_index;
458 avi_write_packet(s, &empty_packet);
949b1a13 459// av_log(s, AV_LOG_DEBUG, "dup %"PRId64" %d\n", pkt->dts, avi->packet_count[stream_index]);
50c3dd32
MN
460 }
461 avi->packet_count[stream_index]++;
462
a2a2668d 463 // Make sure to put an OpenDML chunk when the file size exceeds the limits
115329f1 464 if (!url_is_streamed(pb) &&
bb270c08 465 (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) {
115329f1 466
e738cee9
RS
467 avi_write_ix(s);
468 end_tag(pb, avi->movi_list);
115329f1 469
bb270c08
DB
470 if (avi->riff_id == 1)
471 avi_write_idx1(s);
e738cee9 472
bb270c08
DB
473 end_tag(pb, avi->riff_start);
474 avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
ce9fce63 475 }
115329f1 476
e738cee9 477 avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
e928649b
MN
478 if(pkt->flags&PKT_FLAG_KEY)
479 flags = 0x10;
e738cee9 480 if (enc->codec_type == CODEC_TYPE_AUDIO) {
86bec9a1 481 avi->audio_strm_length[stream_index] += size;
e928649b 482 }
de6d9b64
FB
483
484 if (!url_is_streamed(&s->pb)) {
e738cee9 485 AVIIndex* idx = &avi->indexes[stream_index];
bb270c08
DB
486 int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
487 int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
e738cee9 488 if (idx->ents_allocated <= idx->entry) {
bb270c08
DB
489 idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
490 if (!idx->cluster)
491 return -1;
e738cee9 492 idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
bb270c08
DB
493 if (!idx->cluster[cl])
494 return -1;
495 idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
496 }
115329f1 497
bb270c08 498 idx->cluster[cl][id].flags = flags;
e738cee9
RS
499 idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
500 idx->cluster[cl][id].len = size;
bb270c08 501 idx->entry++;
de6d9b64 502 }
115329f1 503
de6d9b64
FB
504 put_buffer(pb, tag, 4);
505 put_le32(pb, size);
e928649b 506 put_buffer(pb, pkt->data, size);
de6d9b64
FB
507 if (size & 1)
508 put_byte(pb, 0);
509
510 put_flush_packet(pb);
511 return 0;
512}
513
514static int avi_write_trailer(AVFormatContext *s)
515{
de6d9b64 516 AVIContext *avi = s->priv_data;
ce9fce63
RS
517 ByteIOContext *pb = &s->pb;
518 int res = 0;
e738cee9
RS
519 int i, j, n, nb_frames;
520 offset_t file_size;
521
a2a2668d
AB
522 if (!url_is_streamed(pb))
523 {
e738cee9
RS
524 if (avi->riff_id == 1) {
525 end_tag(pb, avi->movi_list);
526 res = avi_write_idx1(s);
bb270c08 527 end_tag(pb, avi->riff_start);
e738cee9
RS
528 } else {
529 avi_write_ix(s);
530 end_tag(pb, avi->movi_list);
bb270c08 531 end_tag(pb, avi->riff_start);
de6d9b64 532
de6d9b64 533 file_size = url_ftell(pb);
bb270c08
DB
534 url_fseek(pb, avi->odml_list - 8, SEEK_SET);
535 put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
536 url_fskip(pb, 16);
ce9fce63
RS
537
538 for (n=nb_frames=0;n<s->nb_streams;n++) {
01f4895c 539 AVCodecContext *stream = s->streams[n]->codec;
ce9fce63 540 if (stream->codec_type == CODEC_TYPE_VIDEO) {
82e415b1
MN
541 if (nb_frames < avi->packet_count[n])
542 nb_frames = avi->packet_count[n];
ce9fce63 543 } else {
80783dc2 544 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
82e415b1 545 nb_frames += avi->packet_count[n];
86bec9a1
J
546 }
547 }
ce9fce63 548 }
bb270c08
DB
549 put_le32(pb, nb_frames);
550 url_fseek(pb, file_size, SEEK_SET);
5bce834e
BB
551
552 avi_write_counters(s, avi->riff_id);
e738cee9 553 }
a2a2668d 554 }
de6d9b64 555 put_flush_packet(pb);
e738cee9
RS
556
557 for (i=0; i<MAX_STREAMS; i++) {
bb270c08 558 for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
e738cee9 559 av_free(avi->indexes[i].cluster[j]);
bb270c08
DB
560 av_free(avi->indexes[i].cluster);
561 avi->indexes[i].cluster = NULL;
562 avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
e738cee9 563 }
115329f1 564
ce9fce63 565 return res;
de6d9b64
FB
566}
567
ff70e601 568AVOutputFormat avi_muxer = {
de6d9b64
FB
569 "avi",
570 "avi format",
571 "video/x-msvideo",
572 "avi",
c9a65ca8 573 sizeof(AVIContext),
de6d9b64 574 CODEC_ID_MP2,
22cf0455 575 CODEC_ID_MPEG4,
de6d9b64
FB
576 avi_write_header,
577 avi_write_packet,
578 avi_write_trailer,
de6d9b64 579};
ff70e601 580#endif //CONFIG_AVI_MUXER