2 * Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of MPlayer.
6 * MPlayer is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * MPlayer 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
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 // #include <unistd.h>
33 #include "stream/stream.h"
38 #include "libvo/sub.h"
40 #include "libavformat/avformat.h"
41 #include "libavformat/avio.h"
42 #include "libavutil/avutil.h"
43 #include "libavutil/avstring.h"
44 #include "libavcodec/opt.h"
46 #include "mp_taglists.h"
48 #define INITIAL_PROBE_SIZE STREAM_BUFFER_SIZE
49 #define SMALL_MAX_PROBE_SIZE (32 * 1024)
50 #define PROBE_BUF_SIZE (2*1024*1024)
52 const m_option_t lavfdopts_conf
[] = {
53 OPT_INTRANGE("probesize", lavfdopts
.probesize
, 0, 32, INT_MAX
),
54 OPT_STRING("format", lavfdopts
.format
, 0),
55 OPT_INTRANGE("analyzeduration", lavfdopts
.analyzeduration
, 0, 0, INT_MAX
),
56 OPT_STRING("cryptokey", lavfdopts
.cryptokey
, 0),
57 OPT_STRING("o", lavfdopts
.avopt
, 0),
58 {NULL
, NULL
, 0, 0, 0, 0, NULL
}
61 #define BIO_BUFFER_SIZE 32768
63 typedef struct lavf_priv
{
65 AVFormatContext
*avfc
;
67 uint8_t buffer
[BIO_BUFFER_SIZE
];
72 int astreams
[MAX_A_STREAMS
];
73 int vstreams
[MAX_V_STREAMS
];
74 int sstreams
[MAX_S_STREAMS
];
78 static int mp_read(void *opaque
, uint8_t *buf
, int size
) {
79 struct demuxer
*demuxer
= opaque
;
80 struct stream
*stream
= demuxer
->stream
;
83 ret
=stream_read(stream
, buf
, size
);
85 mp_msg(MSGT_HEADER
,MSGL_DBG2
,"%d=mp_read(%p, %p, %d), pos: %"PRId64
", eof:%d\n",
86 ret
, stream
, buf
, size
, stream_tell(stream
), stream
->eof
);
90 static int64_t mp_seek(void *opaque
, int64_t pos
, int whence
) {
91 struct demuxer
*demuxer
= opaque
;
92 struct stream
*stream
= demuxer
->stream
;
94 mp_msg(MSGT_HEADER
,MSGL_DBG2
,"mp_seek(%p, %"PRId64
", %d)\n", stream
, pos
, whence
);
95 if(whence
== SEEK_CUR
)
96 pos
+=stream_tell(stream
);
97 else if(whence
== SEEK_END
&& stream
->end_pos
> 0)
98 pos
+= stream
->end_pos
;
99 else if(whence
== SEEK_SET
)
100 pos
+= stream
->start_pos
;
101 else if(whence
== AVSEEK_SIZE
&& stream
->end_pos
> 0)
102 return stream
->end_pos
- stream
->start_pos
;
108 current_pos
= stream_tell(stream
);
109 if(stream_seek(stream
, pos
)==0) {
110 stream_reset(stream
);
111 stream_seek(stream
, current_pos
);
115 return pos
- stream
->start_pos
;
118 static int64_t mp_read_seek(void *opaque
, int stream_idx
, int64_t ts
, int flags
)
120 struct demuxer
*demuxer
= opaque
;
121 struct stream
*stream
= demuxer
->stream
;
122 struct lavf_priv
*priv
= demuxer
->priv
;
124 AVStream
*st
= priv
->avfc
->streams
[stream_idx
];
125 double pts
= (double)ts
* st
->time_base
.num
/ st
->time_base
.den
;
126 int ret
= stream_control(stream
, STREAM_CTRL_SEEK_TO_TIME
, &pts
);
128 ret
= AVERROR(ENOSYS
);
132 static void list_formats(void) {
134 mp_msg(MSGT_DEMUX
, MSGL_INFO
, "Available lavf input formats:\n");
135 for (fmt
= first_iformat
; fmt
; fmt
= fmt
->next
)
136 mp_msg(MSGT_DEMUX
, MSGL_INFO
, "%15s : %s\n", fmt
->name
, fmt
->long_name
);
139 static int lavf_check_file(demuxer_t
*demuxer
){
140 struct MPOpts
*opts
= demuxer
->opts
;
141 struct lavfdopts
*lavfdopts
= &opts
->lavfdopts
;
144 int probe_data_size
= 0;
145 int read_size
= INITIAL_PROBE_SIZE
;
149 demuxer
->priv
=calloc(sizeof(lavf_priv_t
),1);
154 char *format
= lavfdopts
->format
;
156 format
= demuxer
->stream
->lavf_type
;
158 if (strcmp(format
, "help") == 0) {
162 priv
->avif
= av_find_input_format(format
);
164 mp_msg(MSGT_DEMUX
, MSGL_FATAL
, "Unknown lavf format %s\n", format
);
167 mp_msg(MSGT_DEMUX
,MSGL_INFO
,"Forced lavf %s demuxer\n", priv
->avif
->long_name
);
168 return DEMUXER_TYPE_LAVF
;
171 avpd
.buf
= av_mallocz(FFMAX(BIO_BUFFER_SIZE
, PROBE_BUF_SIZE
) +
172 FF_INPUT_BUFFER_PADDING_SIZE
);
174 read_size
= stream_read(demuxer
->stream
, avpd
.buf
+ probe_data_size
, read_size
);
179 probe_data_size
+= read_size
;
180 avpd
.filename
= demuxer
->stream
->url
;
181 if (!avpd
.filename
) {
182 mp_msg(MSGT_DEMUX
, MSGL_WARN
, "Stream url is not set!\n");
185 if (!strncmp(avpd
.filename
, "ffmpeg://", 9))
187 avpd
.buf_size
= probe_data_size
;
190 priv
->avif
= av_probe_input_format2(&avpd
, probe_data_size
> 0, &score
);
191 read_size
= FFMIN(2*read_size
, PROBE_BUF_SIZE
- probe_data_size
);
192 } while ((demuxer
->desc
->type
!= DEMUXER_TYPE_LAVF_PREFERRED
||
193 probe_data_size
< SMALL_MAX_PROBE_SIZE
) &&
194 score
<= AVPROBE_SCORE_MAX
/ 4 &&
195 read_size
> 0 && probe_data_size
< PROBE_BUF_SIZE
);
199 mp_msg(MSGT_HEADER
,MSGL_V
,"LAVF_check: no clue about this gibberish!\n");
202 mp_msg(MSGT_HEADER
,MSGL_V
,"LAVF_check: %s\n", priv
->avif
->long_name
);
204 return DEMUXER_TYPE_LAVF
;
207 static const char * const preferred_list
[] = {
213 "mov,mp4,m4a,3gp,3g2,mj2",
225 static int lavf_check_preferred_file(demuxer_t
*demuxer
){
226 if (lavf_check_file(demuxer
)) {
227 const char * const *p
= preferred_list
;
228 lavf_priv_t
*priv
= demuxer
->priv
;
230 if (strcmp(*p
, priv
->avif
->name
) == 0)
231 return DEMUXER_TYPE_LAVF_PREFERRED
;
238 static uint8_t char2int(char c
) {
239 if (c
>= '0' && c
<= '9') return c
- '0';
240 if (c
>= 'a' && c
<= 'f') return c
- 'a' + 10;
241 if (c
>= 'A' && c
<= 'F') return c
- 'A' + 10;
245 static void parse_cryptokey(AVFormatContext
*avfc
, const char *str
) {
246 int len
= strlen(str
) / 2;
247 uint8_t *key
= av_mallocz(len
);
251 for (i
= 0; i
< len
; i
++, str
+= 2)
252 *key
++ = (char2int(str
[0]) << 4) | char2int(str
[1]);
255 static void handle_stream(demuxer_t
*demuxer
, AVFormatContext
*avfc
, int i
) {
256 lavf_priv_t
*priv
= demuxer
->priv
;
257 AVStream
*st
= avfc
->streams
[i
];
258 AVCodecContext
*codec
= st
->codec
;
259 char *stream_type
= NULL
;
261 AVMetadataTag
*lang
= av_metadata_get(st
->metadata
, "language", NULL
, 0);
262 AVMetadataTag
*title
= av_metadata_get(st
->metadata
, "title", NULL
, 0);
263 int g
, override_tag
= mp_av_codec_get_tag(mp_codecid_override_taglists
,
265 // For some formats (like PCM) always trust CODEC_ID_* more than codec_tag
267 codec
->codec_tag
= override_tag
;
269 switch(codec
->codec_type
){
270 case CODEC_TYPE_AUDIO
:{
272 sh_audio_t
* sh_audio
;
273 sh_audio
= new_sh_audio_aid(demuxer
, i
, priv
->audio_streams
);
276 stream_type
= "audio";
277 priv
->astreams
[priv
->audio_streams
] = i
;
278 wf
= calloc(sizeof(WAVEFORMATEX
) + codec
->extradata_size
, 1);
279 // mp4a tag is used for all mp4 files no matter what they actually contain
280 if(codec
->codec_tag
== MKTAG('m', 'p', '4', 'a'))
282 if(!codec
->codec_tag
)
283 codec
->codec_tag
= mp_av_codec_get_tag(mp_wav_taglists
, codec
->codec_id
);
284 wf
->wFormatTag
= codec
->codec_tag
;
285 wf
->nChannels
= codec
->channels
;
286 wf
->nSamplesPerSec
= codec
->sample_rate
;
287 wf
->nAvgBytesPerSec
= codec
->bit_rate
/8;
288 wf
->nBlockAlign
= codec
->block_align
? codec
->block_align
: 1;
289 wf
->wBitsPerSample
= codec
->bits_per_coded_sample
;
290 wf
->cbSize
= codec
->extradata_size
;
291 if(codec
->extradata_size
)
292 memcpy(wf
+ 1, codec
->extradata
, codec
->extradata_size
);
294 sh_audio
->audio
.dwSampleSize
= codec
->block_align
;
295 if(codec
->frame_size
&& codec
->sample_rate
){
296 sh_audio
->audio
.dwScale
=codec
->frame_size
;
297 sh_audio
->audio
.dwRate
= codec
->sample_rate
;
299 sh_audio
->audio
.dwScale
= codec
->block_align
? codec
->block_align
*8 : 8;
300 sh_audio
->audio
.dwRate
= codec
->bit_rate
;
302 g
= av_gcd(sh_audio
->audio
.dwScale
, sh_audio
->audio
.dwRate
);
303 sh_audio
->audio
.dwScale
/= g
;
304 sh_audio
->audio
.dwRate
/= g
;
305 // printf("sca:%d rat:%d fs:%d sr:%d ba:%d\n", sh_audio->audio.dwScale, sh_audio->audio.dwRate, codec->frame_size, codec->sample_rate, codec->block_align);
306 sh_audio
->ds
= demuxer
->audio
;
307 sh_audio
->format
= codec
->codec_tag
;
308 sh_audio
->channels
= codec
->channels
;
309 sh_audio
->samplerate
= codec
->sample_rate
;
310 sh_audio
->i_bps
= codec
->bit_rate
/8;
311 switch (codec
->codec_id
) {
312 case CODEC_ID_PCM_S8
:
313 case CODEC_ID_PCM_U8
:
314 sh_audio
->samplesize
= 1;
316 case CODEC_ID_PCM_S16LE
:
317 case CODEC_ID_PCM_S16BE
:
318 case CODEC_ID_PCM_U16LE
:
319 case CODEC_ID_PCM_U16BE
:
320 sh_audio
->samplesize
= 2;
322 case CODEC_ID_PCM_ALAW
:
323 sh_audio
->format
= 0x6;
325 case CODEC_ID_PCM_MULAW
:
326 sh_audio
->format
= 0x7;
329 if (title
&& title
->value
)
330 mp_msg(MSGT_IDENTIFY
, MSGL_INFO
, "ID_AID_%d_NAME=%s\n", priv
->audio_streams
, title
->value
);
331 if (lang
&& lang
->value
) {
332 sh_audio
->lang
= strdup(lang
->value
);
333 mp_msg(MSGT_IDENTIFY
, MSGL_INFO
, "ID_AID_%d_LANG=%s\n", priv
->audio_streams
, sh_audio
->lang
);
335 if (st
->disposition
& AV_DISPOSITION_DEFAULT
)
336 sh_audio
->default_track
= 1;
337 if(mp_msg_test(MSGT_HEADER
,MSGL_V
) ) print_wave_header(sh_audio
->wf
, MSGL_V
);
338 // select the first audio stream
339 if (!demuxer
->audio
->sh
) {
340 demuxer
->audio
->id
= i
;
341 demuxer
->audio
->sh
= demuxer
->a_streams
[i
];
343 st
->discard
= AVDISCARD_ALL
;
344 stream_id
= priv
->audio_streams
++;
347 case CODEC_TYPE_VIDEO
:{
348 sh_video_t
* sh_video
;
349 BITMAPINFOHEADER
*bih
;
350 sh_video
=new_sh_video_vid(demuxer
, i
, priv
->video_streams
);
352 stream_type
= "video";
353 priv
->vstreams
[priv
->video_streams
] = i
;
354 bih
=calloc(sizeof(BITMAPINFOHEADER
) + codec
->extradata_size
,1);
356 if(codec
->codec_id
== CODEC_ID_RAWVIDEO
) {
357 switch (codec
->pix_fmt
) {
359 codec
->codec_tag
= MKTAG(24, 'B', 'G', 'R');
362 if(!codec
->codec_tag
)
363 codec
->codec_tag
= mp_av_codec_get_tag(mp_bmp_taglists
, codec
->codec_id
);
364 bih
->biSize
= sizeof(BITMAPINFOHEADER
) + codec
->extradata_size
;
365 bih
->biWidth
= codec
->width
;
366 bih
->biHeight
= codec
->height
;
367 bih
->biBitCount
= codec
->bits_per_coded_sample
;
368 bih
->biSizeImage
= bih
->biWidth
* bih
->biHeight
* bih
->biBitCount
/8;
369 bih
->biCompression
= codec
->codec_tag
;
371 sh_video
->disp_w
= codec
->width
;
372 sh_video
->disp_h
= codec
->height
;
373 if (st
->time_base
.den
) { /* if container has time_base, use that */
374 sh_video
->video
.dwRate
= st
->time_base
.den
;
375 sh_video
->video
.dwScale
= st
->time_base
.num
;
377 sh_video
->video
.dwRate
= codec
->time_base
.den
;
378 sh_video
->video
.dwScale
= codec
->time_base
.num
;
380 sh_video
->fps
=av_q2d(st
->r_frame_rate
);
381 sh_video
->frametime
=1/av_q2d(st
->r_frame_rate
);
382 sh_video
->format
=bih
->biCompression
;
383 if(st
->sample_aspect_ratio
.num
)
384 sh_video
->aspect
= codec
->width
* st
->sample_aspect_ratio
.num
385 / (float)(codec
->height
* st
->sample_aspect_ratio
.den
);
387 sh_video
->aspect
=codec
->width
* codec
->sample_aspect_ratio
.num
388 / (float)(codec
->height
* codec
->sample_aspect_ratio
.den
);
389 sh_video
->i_bps
=codec
->bit_rate
/8;
390 if (title
&& title
->value
)
391 mp_msg(MSGT_IDENTIFY
, MSGL_INFO
, "ID_VID_%d_NAME=%s\n", priv
->video_streams
, title
->value
);
392 mp_msg(MSGT_DEMUX
,MSGL_DBG2
,"aspect= %d*%d/(%d*%d)\n",
393 codec
->width
, codec
->sample_aspect_ratio
.num
,
394 codec
->height
, codec
->sample_aspect_ratio
.den
);
396 sh_video
->ds
= demuxer
->video
;
397 if(codec
->extradata_size
)
398 memcpy(sh_video
->bih
+ 1, codec
->extradata
, codec
->extradata_size
);
399 if( mp_msg_test(MSGT_HEADER
,MSGL_V
) ) print_video_header(sh_video
->bih
, MSGL_V
);
407 if(demuxer
->video
->id
!= i
&& demuxer
->video
->id
!= -1)
408 st
->discard
= AVDISCARD_ALL
;
410 demuxer
->video
->id
= i
;
411 demuxer
->video
->sh
= demuxer
->v_streams
[i
];
413 stream_id
= priv
->video_streams
++;
416 case CODEC_TYPE_SUBTITLE
:{
419 /* only support text subtitles for now */
420 if(codec
->codec_id
== CODEC_ID_TEXT
)
422 else if(codec
->codec_id
== CODEC_ID_MOV_TEXT
)
424 else if(codec
->codec_id
== CODEC_ID_SSA
)
426 else if(codec
->codec_id
== CODEC_ID_DVD_SUBTITLE
)
428 else if(codec
->codec_id
== CODEC_ID_XSUB
)
430 else if(codec
->codec_id
== CODEC_ID_DVB_SUBTITLE
)
432 else if(codec
->codec_id
== CODEC_ID_DVB_TELETEXT
)
434 else if(codec
->codec_id
== CODEC_ID_HDMV_PGS_SUBTITLE
)
438 sh_sub
= new_sh_sub_sid(demuxer
, i
, priv
->sub_streams
);
440 stream_type
= "subtitle";
441 priv
->sstreams
[priv
->sub_streams
] = i
;
443 if (codec
->extradata_size
) {
444 sh_sub
->extradata
= malloc(codec
->extradata_size
);
445 memcpy(sh_sub
->extradata
, codec
->extradata
, codec
->extradata_size
);
446 sh_sub
->extradata_len
= codec
->extradata_size
;
448 if (title
&& title
->value
)
449 mp_msg(MSGT_IDENTIFY
, MSGL_INFO
, "ID_SID_%d_NAME=%s\n", priv
->sub_streams
, title
->value
);
450 if (lang
&& lang
->value
) {
451 sh_sub
->lang
= strdup(lang
->value
);
452 mp_msg(MSGT_IDENTIFY
, MSGL_INFO
, "ID_SID_%d_LANG=%s\n", priv
->sub_streams
, sh_sub
->lang
);
454 if (st
->disposition
& AV_DISPOSITION_DEFAULT
)
455 sh_sub
->default_track
= 1;
456 stream_id
= priv
->sub_streams
++;
459 case CODEC_TYPE_ATTACHMENT
:{
460 if (st
->codec
->codec_id
== CODEC_ID_TTF
)
461 demuxer_add_attachment(demuxer
, BSTR(st
->filename
),
462 BSTR("application/x-truetype-font"),
463 (struct bstr
){codec
->extradata
,
464 codec
->extradata_size
});
468 st
->discard
= AVDISCARD_ALL
;
471 AVCodec
*avc
= avcodec_find_decoder(codec
->codec_id
);
472 mp_msg(MSGT_DEMUX
, MSGL_INFO
, "[lavf] stream %d: %s (%s), -%cid %d", i
, stream_type
, avc
? avc
->name
: "unknown", *stream_type
, stream_id
);
473 if (lang
&& lang
->value
&& *stream_type
!= 'v')
474 mp_msg(MSGT_DEMUX
, MSGL_INFO
, ", -%clang %s", *stream_type
, lang
->value
);
475 if (title
&& title
->value
)
476 mp_msg(MSGT_DEMUX
, MSGL_INFO
, ", %s", title
->value
);
477 mp_msg(MSGT_DEMUX
, MSGL_INFO
, "\n");
481 static demuxer_t
* demux_open_lavf(demuxer_t
*demuxer
){
482 struct MPOpts
*opts
= demuxer
->opts
;
483 struct lavfdopts
*lavfdopts
= &opts
->lavfdopts
;
484 AVFormatContext
*avfc
;
485 AVFormatParameters ap
;
487 AVMetadataTag
*t
= NULL
;
488 lavf_priv_t
*priv
= demuxer
->priv
;
490 char mp_filename
[256]="mp:";
492 memset(&ap
, 0, sizeof(AVFormatParameters
));
494 stream_seek(demuxer
->stream
, 0);
496 avfc
= avformat_alloc_context();
498 if (lavfdopts
->cryptokey
)
499 parse_cryptokey(avfc
, lavfdopts
->cryptokey
);
500 if (opts
->user_correct_pts
!= 0)
501 avfc
->flags
|= AVFMT_FLAG_GENPTS
;
503 avfc
->flags
|= AVFMT_FLAG_IGNIDX
;
505 ap
.prealloced_context
= 1;
506 if (lavfdopts
->probesize
) {
507 opt
= av_set_int(avfc
, "probesize", lavfdopts
->probesize
);
508 if(!opt
) mp_msg(MSGT_HEADER
,MSGL_ERR
, "demux_lavf, couldn't set option probesize to %u\n", lavfdopts
->probesize
);
510 if (lavfdopts
->analyzeduration
) {
511 opt
= av_set_int(avfc
, "analyzeduration",
512 lavfdopts
->analyzeduration
* AV_TIME_BASE
);
514 mp_msg(MSGT_HEADER
, MSGL_ERR
, "demux_lavf, couldn't set option "
515 "analyzeduration to %u\n", lavfdopts
->analyzeduration
);
518 if (lavfdopts
->avopt
){
519 if(parse_avopts(avfc
, lavfdopts
->avopt
) < 0){
520 mp_msg(MSGT_HEADER
,MSGL_ERR
, "Your options /%s/ look like gibberish to me pal\n", lavfdopts
->avopt
);
525 if(demuxer
->stream
->url
) {
526 if (!strncmp(demuxer
->stream
->url
, "ffmpeg://rtsp:", 14))
527 av_strlcpy(mp_filename
, demuxer
->stream
->url
+ 9, sizeof(mp_filename
));
529 av_strlcat(mp_filename
, demuxer
->stream
->url
, sizeof(mp_filename
));
531 av_strlcat(mp_filename
, "foobar.dummy", sizeof(mp_filename
));
533 priv
->pb
= av_alloc_put_byte(priv
->buffer
, BIO_BUFFER_SIZE
, 0,
534 demuxer
, mp_read
, NULL
, mp_seek
);
535 priv
->pb
->read_seek
= mp_read_seek
;
536 priv
->pb
->is_streamed
= !demuxer
->stream
->end_pos
|| (demuxer
->stream
->flags
& MP_STREAM_SEEK
) != MP_STREAM_SEEK
;
538 if(av_open_input_stream(&avfc
, priv
->pb
, mp_filename
, priv
->avif
, &ap
)<0){
539 mp_msg(MSGT_HEADER
,MSGL_ERR
,"LAVF_header: av_open_input_stream() failed\n");
545 if(av_find_stream_info(avfc
) < 0){
546 mp_msg(MSGT_HEADER
,MSGL_ERR
,"LAVF_header: av_find_stream_info() failed\n");
551 av_metadata_conv(avfc
, NULL
, avfc
->iformat
->metadata_conv
);
552 while((t
= av_metadata_get(avfc
->metadata
, "", t
, AV_METADATA_IGNORE_SUFFIX
)))
553 demux_info_add(demuxer
, t
->key
, t
->value
);
555 for(i
=0; i
< avfc
->nb_chapters
; i
++) {
556 AVChapter
*c
= avfc
->chapters
[i
];
557 uint64_t start
= av_rescale_q(c
->start
, c
->time_base
, (AVRational
){1,1000});
558 uint64_t end
= av_rescale_q(c
->end
, c
->time_base
, (AVRational
){1,1000});
559 t
= av_metadata_get(c
->metadata
, "title", NULL
, 0);
560 demuxer_add_chapter(demuxer
, t
? BSTR(t
->value
) : BSTR(NULL
), start
, end
);
563 for(i
=0; i
<avfc
->nb_streams
; i
++)
564 handle_stream(demuxer
, avfc
, i
);
565 if(avfc
->nb_programs
) {
567 for (p
= 0; p
< avfc
->nb_programs
; p
++) {
568 AVProgram
*program
= avfc
->programs
[p
];
569 t
= av_metadata_get(program
->metadata
, "title", NULL
, 0);
570 mp_msg(MSGT_HEADER
,MSGL_INFO
,"LAVF: Program %d %s\n", program
->id
, t
? t
->value
: "");
574 mp_msg(MSGT_HEADER
,MSGL_V
,"LAVF: %d audio and %d video streams found\n",priv
->audio_streams
,priv
->video_streams
);
575 mp_msg(MSGT_HEADER
,MSGL_V
,"LAVF: build %d\n", LIBAVFORMAT_BUILD
);
576 if(!priv
->audio_streams
) demuxer
->audio
->id
=-2; // nosound
577 // else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio;
578 if(!priv
->video_streams
){
579 if(!priv
->audio_streams
){
580 mp_msg(MSGT_HEADER
,MSGL_ERR
,"LAVF: no audio or video headers found - broken file?\n");
583 demuxer
->video
->id
=-2; // audio-only
584 } //else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video;
586 demuxer
->accurate_seek
= true;
591 static int demux_lavf_fill_buffer(demuxer_t
*demux
, demux_stream_t
*dsds
){
592 lavf_priv_t
*priv
= demux
->priv
;
597 mp_msg(MSGT_DEMUX
,MSGL_DBG2
,"demux_lavf_fill_buffer()\n");
599 demux
->filepos
=stream_tell(demux
->stream
);
601 if(av_read_frame(priv
->avfc
, &pkt
) < 0)
604 id
= pkt
.stream_index
;
606 if(id
==demux
->audio
->id
){
610 ds
->sh
=demux
->a_streams
[id
];
611 mp_msg(MSGT_DEMUX
,MSGL_V
,"Auto-selected LAVF audio ID = %d\n",ds
->id
);
613 } else if(id
==demux
->video
->id
){
617 ds
->sh
=demux
->v_streams
[id
];
618 mp_msg(MSGT_DEMUX
,MSGL_V
,"Auto-selected LAVF video ID = %d\n",ds
->id
);
620 } else if(id
==demux
->sub
->id
){
625 av_free_packet(&pkt
);
629 if(0/*pkt.destruct == av_destruct_packet*/){
630 //ok kids, dont try this at home :)
631 dp
=malloc(sizeof(demux_packet_t
));
639 dp
=new_demux_packet(pkt
.size
);
640 memcpy(dp
->buffer
, pkt
.data
, pkt
.size
);
641 av_free_packet(&pkt
);
644 if(pkt
.pts
!= AV_NOPTS_VALUE
){
645 dp
->pts
=pkt
.pts
* av_q2d(priv
->avfc
->streams
[id
]->time_base
);
646 priv
->last_pts
= dp
->pts
* AV_TIME_BASE
;
647 if(pkt
.flags
& PKT_FLAG_KEY
&& pkt
.convergence_duration
> 0)
648 dp
->endpts
= dp
->pts
+ pkt
.convergence_duration
* av_q2d(priv
->avfc
->streams
[id
]->time_base
);
650 dp
->pos
=demux
->filepos
;
651 dp
->flags
= !!(pkt
.flags
&PKT_FLAG_KEY
);
652 // append packet to DS stream:
653 ds_add_packet(ds
,dp
);
657 static void demux_seek_lavf(demuxer_t
*demuxer
, float rel_seek_secs
, float audio_delay
, int flags
){
658 lavf_priv_t
*priv
= demuxer
->priv
;
660 mp_msg(MSGT_DEMUX
,MSGL_DBG2
,"demux_seek_lavf(%p, %f, %f, %d)\n", demuxer
, rel_seek_secs
, audio_delay
, flags
);
662 if (flags
& SEEK_ABSOLUTE
) {
665 if (rel_seek_secs
< 0) avsflags
= AVSEEK_FLAG_BACKWARD
;
667 if (flags
& SEEK_FORWARD
)
669 else if (flags
& SEEK_BACKWARD
)
670 avsflags
= AVSEEK_FLAG_BACKWARD
;
671 if (flags
& SEEK_FACTOR
) {
672 if (priv
->avfc
->duration
== 0 || priv
->avfc
->duration
== AV_NOPTS_VALUE
)
674 priv
->last_pts
+= rel_seek_secs
* priv
->avfc
->duration
;
676 priv
->last_pts
+= rel_seek_secs
* AV_TIME_BASE
;
678 if (av_seek_frame(priv
->avfc
, -1, priv
->last_pts
, avsflags
) < 0) {
679 avsflags
^= AVSEEK_FLAG_BACKWARD
;
680 av_seek_frame(priv
->avfc
, -1, priv
->last_pts
, avsflags
);
684 static int demux_lavf_control(demuxer_t
*demuxer
, int cmd
, void *arg
)
686 lavf_priv_t
*priv
= demuxer
->priv
;
689 case DEMUXER_CTRL_CORRECT_PTS
:
690 return DEMUXER_CTRL_OK
;
691 case DEMUXER_CTRL_GET_TIME_LENGTH
:
692 if (priv
->avfc
->duration
== 0 || priv
->avfc
->duration
== AV_NOPTS_VALUE
)
693 return DEMUXER_CTRL_DONTKNOW
;
695 *((double *)arg
) = (double)priv
->avfc
->duration
/ AV_TIME_BASE
;
696 return DEMUXER_CTRL_OK
;
698 case DEMUXER_CTRL_GET_PERCENT_POS
:
699 if (priv
->avfc
->duration
== 0 || priv
->avfc
->duration
== AV_NOPTS_VALUE
)
700 return DEMUXER_CTRL_DONTKNOW
;
702 *((int *)arg
) = (int)((priv
->last_pts
- priv
->avfc
->start_time
)*100 / priv
->avfc
->duration
);
703 return DEMUXER_CTRL_OK
;
704 case DEMUXER_CTRL_SWITCH_AUDIO
:
705 case DEMUXER_CTRL_SWITCH_VIDEO
:
707 int id
= *((int*)arg
);
710 int nstreams
, *pstreams
;
713 if(cmd
== DEMUXER_CTRL_SWITCH_VIDEO
)
716 nstreams
= priv
->video_streams
;
717 pstreams
= priv
->vstreams
;
722 nstreams
= priv
->audio_streams
;
723 pstreams
= priv
->astreams
;
725 for(i
= 0; i
< nstreams
; i
++)
727 if(pstreams
[i
] == ds
->id
) //current stream id
734 if(id
== -2) { // no sound
736 } else if(id
== -1) { // next track
737 i
= (curridx
+ 2) % (nstreams
+ 1) - 1;
741 else // select track by id
743 if (id
>= 0 && id
< nstreams
) {
749 *(int *) arg
= curridx
;
750 return DEMUXER_CTRL_OK
;
754 priv
->avfc
->streams
[ds
->id
]->discard
= AVDISCARD_ALL
;
756 *(int *) arg
= i
< 0 ? -2 : i
;
758 priv
->avfc
->streams
[newid
]->discard
= AVDISCARD_NONE
;
759 return DEMUXER_CTRL_OK
;
762 case DEMUXER_CTRL_IDENTIFY_PROGRAM
:
764 demux_program_t
*prog
= arg
;
769 prog
->vid
= prog
->aid
= prog
->sid
= -2; //no audio and no video by default
770 if(priv
->avfc
->nb_programs
< 1)
771 return DEMUXER_CTRL_DONTKNOW
;
773 if(prog
->progid
== -1)
776 while(p
<priv
->avfc
->nb_programs
&& priv
->avfc
->programs
[p
]->id
!= priv
->cur_program
)
778 p
= (p
+ 1) % priv
->avfc
->nb_programs
;
782 for(i
=0; i
<priv
->avfc
->nb_programs
; i
++)
783 if(priv
->avfc
->programs
[i
]->id
== prog
->progid
)
785 if(i
==priv
->avfc
->nb_programs
)
786 return DEMUXER_CTRL_DONTKNOW
;
791 program
= priv
->avfc
->programs
[p
];
792 for(i
=0; i
<program
->nb_stream_indexes
; i
++)
794 switch(priv
->avfc
->streams
[program
->stream_index
[i
]]->codec
->codec_type
)
796 case CODEC_TYPE_VIDEO
:
798 prog
->vid
= program
->stream_index
[i
];
800 case CODEC_TYPE_AUDIO
:
802 prog
->aid
= program
->stream_index
[i
];
804 case CODEC_TYPE_SUBTITLE
:
805 if(prog
->sid
== -2 && priv
->avfc
->streams
[program
->stream_index
[i
]]->codec
->codec_id
== CODEC_ID_TEXT
)
806 prog
->sid
= program
->stream_index
[i
];
810 if(prog
->progid
== -1 && prog
->vid
== -2 && prog
->aid
== -2)
812 p
= (p
+ 1) % priv
->avfc
->nb_programs
;
814 return DEMUXER_CTRL_DONTKNOW
;
817 priv
->cur_program
= prog
->progid
= program
->id
;
818 return DEMUXER_CTRL_OK
;
821 return DEMUXER_CTRL_NOTIMPL
;
825 static void demux_close_lavf(demuxer_t
*demuxer
)
827 lavf_priv_t
* priv
= demuxer
->priv
;
831 av_freep(&priv
->avfc
->key
);
832 av_close_input_stream(priv
->avfc
);
835 free(priv
); demuxer
->priv
= NULL
;
840 const demuxer_desc_t demuxer_desc_lavf
= {
841 "libavformat demuxer",
844 "Michael Niedermayer",
845 "supports many formats, requires libavformat",
847 0, // Check after other demuxer
849 demux_lavf_fill_buffer
,
856 const demuxer_desc_t demuxer_desc_lavf_preferred
= {
857 "libavformat preferred demuxer",
860 "Michael Niedermayer",
861 "supports many formats, requires libavformat",
862 DEMUXER_TYPE_LAVF_PREFERRED
,
864 lavf_check_preferred_file
,
865 demux_lavf_fill_buffer
,