3 * Copyright (c) 2000 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 #include "avio_internal.h"
30 #include "libavformat/avlanguage.h"
31 #include "libavutil/avstring.h"
32 #include "libavutil/intreadwrite.h"
33 #include "libavutil/dict.h"
34 #include "libavutil/avassert.h"
35 #include "libavutil/timestamp.h"
36 #include "libavutil/pixdesc.h"
37 #include "libavcodec/raw.h"
41 * - fill all fields if non streamed (nb_frames for example)
44 typedef struct AVIIentry
{
45 unsigned int flags
, pos
, len
;
48 #define AVI_INDEX_CLUSTER_SIZE 16384
50 typedef struct AVIIndex
{
58 int64_t riff_start
, movi_list
, odml_list
;
59 int64_t frames_hdr_all
;
64 int64_t frames_hdr_strm
;
65 int64_t audio_strm_length
;
73 static inline AVIIentry
*avi_get_ientry(AVIIndex
*idx
, int ent_id
)
75 int cl
= ent_id
/ AVI_INDEX_CLUSTER_SIZE
;
76 int id
= ent_id
% AVI_INDEX_CLUSTER_SIZE
;
77 return &idx
->cluster
[cl
][id
];
80 static int64_t avi_start_new_riff(AVFormatContext
*s
, AVIOContext
*pb
,
81 const char *riff_tag
, const char *list_tag
)
83 AVIContext
*avi
= s
->priv_data
;
88 for (i
= 0; i
< s
->nb_streams
; i
++) {
89 AVIStream
*avist
= s
->streams
[i
]->priv_data
;
90 avist
->indexes
.entry
= 0;
93 avi
->riff_start
= ff_start_tag(pb
, "RIFF");
94 ffio_wfourcc(pb
, riff_tag
);
95 loff
= ff_start_tag(pb
, "LIST");
96 ffio_wfourcc(pb
, list_tag
);
100 static char *avi_stream2fourcc(char *tag
, int index
, enum AVMediaType type
)
102 tag
[0] = '0' + index
/ 10;
103 tag
[1] = '0' + index
% 10;
104 if (type
== AVMEDIA_TYPE_VIDEO
) {
107 } else if (type
== AVMEDIA_TYPE_SUBTITLE
) {
108 // note: this is not an official code
119 static int avi_write_counters(AVFormatContext
*s
, int riff_id
)
121 AVIOContext
*pb
= s
->pb
;
122 AVIContext
*avi
= s
->priv_data
;
123 int n
, au_byterate
, au_ssize
, au_scale
, nb_frames
= 0;
125 AVCodecContext
*stream
;
127 file_size
= avio_tell(pb
);
128 for (n
= 0; n
< s
->nb_streams
; n
++) {
129 AVIStream
*avist
= s
->streams
[n
]->priv_data
;
131 av_assert0(avist
->frames_hdr_strm
);
132 stream
= s
->streams
[n
]->codec
;
133 avio_seek(pb
, avist
->frames_hdr_strm
, SEEK_SET
);
134 ff_parse_specific_params(s
->streams
[n
], &au_byterate
, &au_ssize
, &au_scale
);
136 avio_wl32(pb
, avist
->packet_count
);
138 avio_wl32(pb
, avist
->audio_strm_length
/ au_ssize
);
139 if (stream
->codec_type
== AVMEDIA_TYPE_VIDEO
)
140 nb_frames
= FFMAX(nb_frames
, avist
->packet_count
);
143 av_assert0(avi
->frames_hdr_all
);
144 avio_seek(pb
, avi
->frames_hdr_all
, SEEK_SET
);
145 avio_wl32(pb
, nb_frames
);
147 avio_seek(pb
, file_size
, SEEK_SET
);
152 static int avi_write_header(AVFormatContext
*s
)
154 AVIContext
*avi
= s
->priv_data
;
155 AVIOContext
*pb
= s
->pb
;
156 int bitrate
, n
, i
, nb_frames
, au_byterate
, au_ssize
, au_scale
;
157 AVCodecContext
*video_enc
;
158 AVStream
*video_st
= NULL
;
159 int64_t list1
, list2
, strh
, strf
;
160 AVDictionaryEntry
*t
= NULL
;
163 if (s
->nb_streams
> AVI_MAX_STREAM_COUNT
) {
164 av_log(s
, AV_LOG_ERROR
, "AVI does not support >%d streams\n",
165 AVI_MAX_STREAM_COUNT
);
166 return AVERROR(EINVAL
);
169 for (n
= 0; n
< s
->nb_streams
; n
++) {
170 s
->streams
[n
]->priv_data
= av_mallocz(sizeof(AVIStream
));
171 if (!s
->streams
[n
]->priv_data
)
172 return AVERROR(ENOMEM
);
177 list1
= avi_start_new_riff(s
, pb
, "AVI ", "hdrl");
180 ffio_wfourcc(pb
, "avih");
181 avio_wl32(pb
, 14 * 4);
185 for (n
= 0; n
< s
->nb_streams
; n
++) {
186 AVCodecContext
*codec
= s
->streams
[n
]->codec
;
187 bitrate
+= codec
->bit_rate
;
188 if (codec
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
190 video_st
= s
->streams
[n
];
196 // TODO: should be avg_frame_rate
198 avio_wl32(pb
, (uint32_t) (INT64_C(1000000) * video_st
->time_base
.num
/
199 video_st
->time_base
.den
));
202 avio_wl32(pb
, bitrate
/ 8); /* XXX: not quite exact */
203 avio_wl32(pb
, 0); /* padding */
205 avio_wl32(pb
, AVIF_TRUSTCKTYPE
| AVIF_ISINTERLEAVED
); /* flags */
207 avio_wl32(pb
, AVIF_TRUSTCKTYPE
| AVIF_HASINDEX
| AVIF_ISINTERLEAVED
); /* flags */
208 avi
->frames_hdr_all
= avio_tell(pb
); /* remember this offset to fill later */
209 avio_wl32(pb
, nb_frames
); /* nb frames, filled later */
210 avio_wl32(pb
, 0); /* initial frame */
211 avio_wl32(pb
, s
->nb_streams
); /* nb streams */
212 avio_wl32(pb
, 1024 * 1024); /* suggested buffer size */
214 avio_wl32(pb
, video_enc
->width
);
215 avio_wl32(pb
, video_enc
->height
);
220 avio_wl32(pb
, 0); /* reserved */
221 avio_wl32(pb
, 0); /* reserved */
222 avio_wl32(pb
, 0); /* reserved */
223 avio_wl32(pb
, 0); /* reserved */
226 for (i
= 0; i
< n
; i
++) {
227 AVStream
*st
= s
->streams
[i
];
228 AVCodecContext
*enc
= st
->codec
;
229 AVIStream
*avist
= st
->priv_data
;
230 list2
= ff_start_tag(pb
, "LIST");
231 ffio_wfourcc(pb
, "strl");
233 /* stream generic header */
234 strh
= ff_start_tag(pb
, "strh");
235 switch (enc
->codec_type
) {
236 case AVMEDIA_TYPE_SUBTITLE
:
237 // XSUB subtitles behave like video tracks, other subtitles
238 // are not (yet) supported.
239 if (enc
->codec_id
!= AV_CODEC_ID_XSUB
) {
240 av_log(s
, AV_LOG_ERROR
,
241 "Subtitle streams other than DivX XSUB are not supported by the AVI muxer.\n");
242 return AVERROR_PATCHWELCOME
;
244 case AVMEDIA_TYPE_VIDEO
:
245 ffio_wfourcc(pb
, "vids");
247 case AVMEDIA_TYPE_AUDIO
:
248 ffio_wfourcc(pb
, "auds");
250 // case AVMEDIA_TYPE_TEXT:
251 // ffio_wfourcc(pb, "txts");
253 case AVMEDIA_TYPE_DATA
:
254 ffio_wfourcc(pb
, "dats");
257 if (enc
->codec_type
== AVMEDIA_TYPE_VIDEO
||
258 enc
->codec_id
== AV_CODEC_ID_XSUB
)
259 avio_wl32(pb
, enc
->codec_tag
);
262 avio_wl32(pb
, 0); /* flags */
263 avio_wl16(pb
, 0); /* priority */
264 avio_wl16(pb
, 0); /* language */
265 avio_wl32(pb
, 0); /* initial frame */
267 ff_parse_specific_params(st
, &au_byterate
, &au_ssize
, &au_scale
);
269 if ( enc
->codec_type
== AVMEDIA_TYPE_VIDEO
270 && enc
->codec_id
!= AV_CODEC_ID_XSUB
271 && au_byterate
> 1000LL*au_scale
) {
275 avpriv_set_pts_info(st
, 64, au_scale
, au_byterate
);
276 if (enc
->codec_id
== AV_CODEC_ID_XSUB
)
277 au_scale
= au_byterate
= 0;
279 avio_wl32(pb
, au_scale
); /* scale */
280 avio_wl32(pb
, au_byterate
); /* rate */
282 avio_wl32(pb
, 0); /* start */
283 /* remember this offset to fill later */
284 avist
->frames_hdr_strm
= avio_tell(pb
);
286 /* FIXME: this may be broken, but who cares */
287 avio_wl32(pb
, AVI_MAX_RIFF_SIZE
);
289 avio_wl32(pb
, 0); /* length, XXX: filled later */
291 /* suggested buffer size, is set to largest chunk size in avi_write_trailer */
292 if (enc
->codec_type
== AVMEDIA_TYPE_VIDEO
)
293 avio_wl32(pb
, 1024 * 1024);
294 else if (enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
295 avio_wl32(pb
, 12 * 1024);
298 avio_wl32(pb
, -1); /* quality */
299 avio_wl32(pb
, au_ssize
); /* sample size */
301 avio_wl16(pb
, enc
->width
);
302 avio_wl16(pb
, enc
->height
);
303 ff_end_tag(pb
, strh
);
305 if (enc
->codec_type
!= AVMEDIA_TYPE_DATA
) {
307 enum AVPixelFormat pix_fmt
;
309 strf
= ff_start_tag(pb
, "strf");
310 switch (enc
->codec_type
) {
311 case AVMEDIA_TYPE_SUBTITLE
:
312 /* XSUB subtitles behave like video tracks, other subtitles
313 * are not (yet) supported. */
314 if (enc
->codec_id
!= AV_CODEC_ID_XSUB
)
316 case AVMEDIA_TYPE_VIDEO
:
317 /* WMP expects RGB 5:5:5 rawvideo in avi to have bpp set to 16. */
319 && enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
320 && enc
->pix_fmt
== AV_PIX_FMT_RGB555LE
321 && enc
->bits_per_coded_sample
== 15)
322 enc
->bits_per_coded_sample
= 16;
323 ff_put_bmp_header(pb
, enc
, ff_codec_bmp_tags
, 0, 0);
324 pix_fmt
= avpriv_find_pix_fmt(avpriv_pix_fmt_bps_avi
,
325 enc
->bits_per_coded_sample
);
327 && enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
328 && enc
->pix_fmt
!= pix_fmt
329 && enc
->pix_fmt
!= AV_PIX_FMT_NONE
)
330 av_log(s
, AV_LOG_ERROR
, "%s rawvideo cannot be written to avi, output file will be unreadable\n",
331 av_get_pix_fmt_name(enc
->pix_fmt
));
333 case AVMEDIA_TYPE_AUDIO
:
334 if ((ret
= ff_put_wav_header(pb
, enc
, 0)) < 0)
338 av_log(s
, AV_LOG_ERROR
,
339 "Invalid or not supported codec type '%s' found in the input\n",
340 (char *)av_x_if_null(av_get_media_type_string(enc
->codec_type
), "?"));
341 return AVERROR(EINVAL
);
343 ff_end_tag(pb
, strf
);
344 if ((t
= av_dict_get(st
->metadata
, "title", NULL
, 0))) {
345 ff_riff_write_info_tag(s
->pb
, "strn", t
->value
);
348 if (enc
->codec_id
== AV_CODEC_ID_XSUB
349 && (t
= av_dict_get(s
->streams
[i
]->metadata
, "language", NULL
, 0))) {
350 const char* langstr
= av_convert_lang_to(t
->value
, AV_LANG_ISO639_1
);
353 char* str
= av_asprintf("Subtitle - %s-xx;02", langstr
);
354 ff_riff_write_info_tag(s
->pb
, "strn", str
);
361 unsigned char tag
[5];
364 /* Starting to lay out AVI OpenDML master index.
365 * We want to make it JUNK entry for now, since we'd
366 * like to get away without making AVI an OpenDML one
367 * for compatibility reasons. */
368 avist
->indexes
.entry
= avist
->indexes
.ents_allocated
= 0;
369 avist
->indexes
.indx_start
= ff_start_tag(pb
, "JUNK");
370 avio_wl16(pb
, 4); /* wLongsPerEntry */
371 avio_w8(pb
, 0); /* bIndexSubType (0 == frame index) */
372 avio_w8(pb
, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
373 avio_wl32(pb
, 0); /* nEntriesInUse (will fill out later on) */
374 ffio_wfourcc(pb
, avi_stream2fourcc(tag
, i
, enc
->codec_type
));
376 avio_wl64(pb
, 0); /* dwReserved[3] */
377 // avio_wl32(pb, 0); /* Must be 0. */
378 for (j
= 0; j
< AVI_MASTER_INDEX_SIZE
* 2; j
++)
380 ff_end_tag(pb
, avist
->indexes
.indx_start
);
383 if (enc
->codec_type
== AVMEDIA_TYPE_VIDEO
&&
384 st
->sample_aspect_ratio
.num
> 0 &&
385 st
->sample_aspect_ratio
.den
> 0) {
386 int vprp
= ff_start_tag(pb
, "vprp");
387 AVRational dar
= av_mul_q(st
->sample_aspect_ratio
,
388 (AVRational
) { enc
->width
,
391 av_reduce(&num
, &den
, dar
.num
, dar
.den
, 0xFFFF);
393 avio_wl32(pb
, 0); // video format = unknown
394 avio_wl32(pb
, 0); // video standard = unknown
395 // TODO: should be avg_frame_rate
396 avio_wl32(pb
, lrintf(1.0 / av_q2d(st
->time_base
)));
397 avio_wl32(pb
, enc
->width
);
398 avio_wl32(pb
, enc
->height
);
401 avio_wl32(pb
, enc
->width
);
402 avio_wl32(pb
, enc
->height
);
403 avio_wl32(pb
, 1); // progressive FIXME
405 avio_wl32(pb
, enc
->height
);
406 avio_wl32(pb
, enc
->width
);
407 avio_wl32(pb
, enc
->height
);
408 avio_wl32(pb
, enc
->width
);
414 ff_end_tag(pb
, vprp
);
417 ff_end_tag(pb
, list2
);
421 /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
422 avi
->odml_list
= ff_start_tag(pb
, "JUNK");
423 ffio_wfourcc(pb
, "odml");
424 ffio_wfourcc(pb
, "dmlh");
426 for (i
= 0; i
< 248; i
+= 4)
428 ff_end_tag(pb
, avi
->odml_list
);
431 ff_end_tag(pb
, list1
);
433 ff_riff_write_info(s
);
436 padding
= s
->metadata_header_padding
;
440 /* some padding for easier tag editing */
442 list2
= ff_start_tag(pb
, "JUNK");
443 for (i
= padding
; i
> 0; i
-= 4)
445 ff_end_tag(pb
, list2
);
448 avi
->movi_list
= ff_start_tag(pb
, "LIST");
449 ffio_wfourcc(pb
, "movi");
456 static int avi_write_ix(AVFormatContext
*s
)
458 AVIOContext
*pb
= s
->pb
;
459 AVIContext
*avi
= s
->priv_data
;
461 char ix_tag
[] = "ix00";
464 av_assert0(pb
->seekable
);
466 if (avi
->riff_id
> AVI_MASTER_INDEX_SIZE
) {
467 av_log(s
, AV_LOG_ERROR
, "Invalid riff index %d > %d\n",
468 avi
->riff_id
, AVI_MASTER_INDEX_SIZE
);
469 return AVERROR(EINVAL
);
472 for (i
= 0; i
< s
->nb_streams
; i
++) {
473 AVIStream
*avist
= s
->streams
[i
]->priv_data
;
476 avi_stream2fourcc(tag
, i
, s
->streams
[i
]->codec
->codec_type
);
479 /* Writing AVI OpenDML leaf index chunk */
481 ffio_wfourcc(pb
, ix_tag
); /* ix?? */
482 avio_wl32(pb
, avist
->indexes
.entry
* 8 + 24);
484 avio_wl16(pb
, 2); /* wLongsPerEntry */
485 avio_w8(pb
, 0); /* bIndexSubType (0 == frame index) */
486 avio_w8(pb
, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
487 avio_wl32(pb
, avist
->indexes
.entry
);
489 ffio_wfourcc(pb
, tag
); /* dwChunkId */
490 avio_wl64(pb
, avi
->movi_list
); /* qwBaseOffset */
491 avio_wl32(pb
, 0); /* dwReserved_3 (must be 0) */
493 for (j
= 0; j
< avist
->indexes
.entry
; j
++) {
494 AVIIentry
*ie
= avi_get_ientry(&avist
->indexes
, j
);
495 avio_wl32(pb
, ie
->pos
+ 8);
496 avio_wl32(pb
, ((uint32_t) ie
->len
& ~0x80000000) |
497 (ie
->flags
& 0x10 ? 0 : 0x80000000));
502 /* Updating one entry in the AVI OpenDML master index */
503 avio_seek(pb
, avist
->indexes
.indx_start
- 8, SEEK_SET
);
504 ffio_wfourcc(pb
, "indx"); /* enabling this entry */
506 avio_wl32(pb
, avi
->riff_id
); /* nEntriesInUse */
507 avio_skip(pb
, 16 * avi
->riff_id
);
508 avio_wl64(pb
, ix
); /* qwOffset */
509 avio_wl32(pb
, pos
- ix
); /* dwSize */
510 avio_wl32(pb
, avist
->indexes
.entry
); /* dwDuration */
512 avio_seek(pb
, pos
, SEEK_SET
);
517 static int avi_write_idx1(AVFormatContext
*s
)
519 AVIOContext
*pb
= s
->pb
;
520 AVIContext
*avi
= s
->priv_data
;
527 AVIIentry
*ie
= 0, *tie
;
528 int empty
, stream_id
= -1;
530 idx_chunk
= ff_start_tag(pb
, "idx1");
531 for (i
= 0; i
< s
->nb_streams
; i
++) {
532 avist
= s
->streams
[i
]->priv_data
;
538 for (i
= 0; i
< s
->nb_streams
; i
++) {
539 avist
= s
->streams
[i
]->priv_data
;
540 if (avist
->indexes
.entry
<= avist
->entry
)
543 tie
= avi_get_ientry(&avist
->indexes
, avist
->entry
);
544 if (empty
|| tie
->pos
< ie
->pos
) {
551 avist
= s
->streams
[stream_id
]->priv_data
;
552 avi_stream2fourcc(tag
, stream_id
,
553 s
->streams
[stream_id
]->codec
->codec_type
);
554 ffio_wfourcc(pb
, tag
);
555 avio_wl32(pb
, ie
->flags
);
556 avio_wl32(pb
, ie
->pos
);
557 avio_wl32(pb
, ie
->len
);
561 ff_end_tag(pb
, idx_chunk
);
563 avi_write_counters(s
, avi
->riff_id
);
568 static int avi_write_packet(AVFormatContext
*s
, AVPacket
*pkt
)
570 unsigned char tag
[5];
571 unsigned int flags
= 0;
572 const int stream_index
= pkt
->stream_index
;
573 int size
= pkt
->size
;
574 AVIContext
*avi
= s
->priv_data
;
575 AVIOContext
*pb
= s
->pb
;
576 AVIStream
*avist
= s
->streams
[stream_index
]->priv_data
;
577 AVCodecContext
*enc
= s
->streams
[stream_index
]->codec
;
579 if (enc
->codec_id
== AV_CODEC_ID_H264
&& enc
->codec_tag
== MKTAG('H','2','6','4')) {
580 int ret
= ff_check_h264_startcode(s
, s
->streams
[stream_index
], pkt
);
584 av_dlog(s
, "dts:%s packet_count:%d stream_index:%d\n", av_ts2str(pkt
->dts
), avist
->packet_count
, stream_index
);
585 while (enc
->block_align
== 0 && pkt
->dts
!= AV_NOPTS_VALUE
&&
586 pkt
->dts
> avist
->packet_count
&& enc
->codec_id
!= AV_CODEC_ID_XSUB
&& avist
->packet_count
) {
587 AVPacket empty_packet
;
589 if (pkt
->dts
- avist
->packet_count
> 60000) {
590 av_log(s
, AV_LOG_ERROR
, "Too large number of skipped frames %"PRId64
" > 60000\n", pkt
->dts
- avist
->packet_count
);
591 return AVERROR(EINVAL
);
594 av_init_packet(&empty_packet
);
595 empty_packet
.size
= 0;
596 empty_packet
.data
= NULL
;
597 empty_packet
.stream_index
= stream_index
;
598 avi_write_packet(s
, &empty_packet
);
599 av_dlog(s
, "dup dts:%s packet_count:%d\n", av_ts2str(pkt
->dts
), avist
->packet_count
);
601 avist
->packet_count
++;
603 // Make sure to put an OpenDML chunk when the file size exceeds the limits
605 (avio_tell(pb
) - avi
->riff_start
> AVI_MAX_RIFF_SIZE
)) {
607 ff_end_tag(pb
, avi
->movi_list
);
609 if (avi
->riff_id
== 1)
612 ff_end_tag(pb
, avi
->riff_start
);
613 avi
->movi_list
= avi_start_new_riff(s
, pb
, "AVIX", "movi");
616 avi_stream2fourcc(tag
, stream_index
, enc
->codec_type
);
617 if (pkt
->flags
& AV_PKT_FLAG_KEY
)
619 if (enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
620 avist
->audio_strm_length
+= size
;
622 if (s
->pb
->seekable
) {
623 AVIIndex
*idx
= &avist
->indexes
;
624 int cl
= idx
->entry
/ AVI_INDEX_CLUSTER_SIZE
;
625 int id
= idx
->entry
% AVI_INDEX_CLUSTER_SIZE
;
626 if (idx
->ents_allocated
<= idx
->entry
) {
627 idx
->cluster
= av_realloc_f(idx
->cluster
, sizeof(void*), cl
+1);
629 idx
->ents_allocated
= 0;
631 return AVERROR(ENOMEM
);
634 av_malloc(AVI_INDEX_CLUSTER_SIZE
* sizeof(AVIIentry
));
635 if (!idx
->cluster
[cl
])
636 return AVERROR(ENOMEM
);
637 idx
->ents_allocated
+= AVI_INDEX_CLUSTER_SIZE
;
640 idx
->cluster
[cl
][id
].flags
= flags
;
641 idx
->cluster
[cl
][id
].pos
= avio_tell(pb
) - avi
->movi_list
;
642 idx
->cluster
[cl
][id
].len
= size
;
643 avist
->max_size
= FFMAX(avist
->max_size
, size
);
647 avio_write(pb
, tag
, 4);
649 avio_write(pb
, pkt
->data
, size
);
656 static int avi_write_trailer(AVFormatContext
*s
)
658 AVIContext
*avi
= s
->priv_data
;
659 AVIOContext
*pb
= s
->pb
;
661 int i
, j
, n
, nb_frames
;
665 if (avi
->riff_id
== 1) {
666 ff_end_tag(pb
, avi
->movi_list
);
667 res
= avi_write_idx1(s
);
668 ff_end_tag(pb
, avi
->riff_start
);
671 ff_end_tag(pb
, avi
->movi_list
);
672 ff_end_tag(pb
, avi
->riff_start
);
674 file_size
= avio_tell(pb
);
675 avio_seek(pb
, avi
->odml_list
- 8, SEEK_SET
);
676 ffio_wfourcc(pb
, "LIST"); /* Making this AVI OpenDML one */
679 for (n
= nb_frames
= 0; n
< s
->nb_streams
; n
++) {
680 AVCodecContext
*stream
= s
->streams
[n
]->codec
;
681 AVIStream
*avist
= s
->streams
[n
]->priv_data
;
683 if (stream
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
684 if (nb_frames
< avist
->packet_count
)
685 nb_frames
= avist
->packet_count
;
687 if (stream
->codec_id
== AV_CODEC_ID_MP2
||
688 stream
->codec_id
== AV_CODEC_ID_MP3
)
689 nb_frames
+= avist
->packet_count
;
692 avio_wl32(pb
, nb_frames
);
693 avio_seek(pb
, file_size
, SEEK_SET
);
695 avi_write_counters(s
, avi
->riff_id
);
699 for (i
= 0; i
< s
->nb_streams
; i
++) {
700 AVIStream
*avist
= s
->streams
[i
]->priv_data
;
701 for (j
= 0; j
< avist
->indexes
.ents_allocated
/ AVI_INDEX_CLUSTER_SIZE
; j
++)
702 av_freep(&avist
->indexes
.cluster
[j
]);
703 av_freep(&avist
->indexes
.cluster
);
704 avist
->indexes
.ents_allocated
= avist
->indexes
.entry
= 0;
706 avio_seek(pb
, avist
->frames_hdr_strm
+ 4, SEEK_SET
);
707 avio_wl32(pb
, avist
->max_size
);
714 AVOutputFormat ff_avi_muxer
= {
716 .long_name
= NULL_IF_CONFIG_SMALL("AVI (Audio Video Interleaved)"),
717 .mime_type
= "video/x-msvideo",
719 .priv_data_size
= sizeof(AVIContext
),
720 .audio_codec
= CONFIG_LIBMP3LAME
? AV_CODEC_ID_MP3
: AV_CODEC_ID_AC3
,
721 .video_codec
= AV_CODEC_ID_MPEG4
,
722 .write_header
= avi_write_header
,
723 .write_packet
= avi_write_packet
,
724 .write_trailer
= avi_write_trailer
,
725 .codec_tag
= (const AVCodecTag
* const []) {
726 ff_codec_bmp_tags
, ff_codec_wav_tags
, 0