2 * Demultiplexer for MPEG2 Transport Streams.
4 * Written by Nico <nsabbi@libero.it>
5 * Kind feedback is appreciated; 'sucks' and alike is not.
6 * Originally based on demux_pva.c written by Matteo Giani and FFmpeg (libavformat) sources
8 * This file is part of MPlayer.
10 * MPlayer is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * MPlayer is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
33 #include "stream/stream.h"
41 #define TS_PH_PACKET_SIZE 192
42 #define TS_FEC_PACKET_SIZE 204
43 #define TS_PACKET_SIZE 188
44 #define NB_PID_MAX 8192
46 #define MAX_HEADER_SIZE 6 /* enough for PES header + length */
47 #define MAX_CHECK_SIZE 65535
48 #define TS_MAX_PROBE_SIZE 2000000 /* do not forget to change this in cfg-common-opts.h, too */
49 #define NUM_CONSECUTIVE_TS_PACKETS 32
50 #define NUM_CONSECUTIVE_AUDIO_PACKETS 348
51 #define MAX_A52_FRAME_SIZE 3840
54 #define SIZE_MAX ((size_t)-1)
63 int audio_substream_id
= -1;
64 extern char *dvdsub_lang
, *audio_lang
; //for -alang
69 VIDEO_MPEG1
= 0x10000001,
70 VIDEO_MPEG2
= 0x10000002,
71 VIDEO_MPEG4
= 0x10000004,
72 VIDEO_H264
= 0x10000005,
73 VIDEO_AVC
= mmioFOURCC('a', 'v', 'c', '1'),
74 VIDEO_VC1
= mmioFOURCC('W', 'V', 'C', '1'),
78 AUDIO_LPCM_BE
= 0x10001,
79 AUDIO_AAC
= mmioFOURCC('M', 'P', '4', 'A'),
80 AUDIO_TRUEHD
= mmioFOURCC('T', 'R', 'H', 'D'),
83 SPU_TELETEXT
= 0x3000002,
84 PES_PRIVATE1
= 0xBD00000,
85 SL_PES_STREAM
= 0xD000000,
86 SL_SECTION
= 0xD100000,
98 uint16_t payload_size
;
99 es_stream_type_t type
, subtype
;
100 double pts
, last_pts
;
103 int last_cc
; // last cc code (-1 if first packet)
105 ts_section_t section
;
107 int extradata_alloc
, extradata_len
;
109 uint8_t au_start
, au_end
, last_au_end
;
119 typedef struct MpegTSContext
{
120 int packet_size
; // raw packet size, including FEC if present e.g. 188 bytes
121 ES_stream_t
*pids
[NB_PID_MAX
];
122 sh_av_t streams
[NB_PID_MAX
];
128 demux_packet_t
*pack
;
129 int offset
, buffer_size
;
132 #define MAX_EXTRADATA_SIZE 64*1024
134 int32_t object_type
; //aka codec used
135 int32_t stream_type
; //video, audio etc.
136 uint8_t buf
[MAX_EXTRADATA_SIZE
];
139 } mp4_decoder_config_t
;
146 uint8_t random_accesspoint
;
147 uint8_t random_accesspoint_only
;
153 uint32_t ts_resolution
, ocr_resolution
;
154 uint8_t ts_len
, ocr_len
, au_len
, instant_bitrate_len
, degr_len
, au_seqnum_len
, packet_seqnum_len
;
156 uint16_t au_duration
, cts_duration
;
157 uint64_t ocr
, dts
, cts
;
163 mp4_decoder_config_t decoder
;
178 uint16_t section_length
;
180 uint8_t version_number
;
182 uint8_t section_number
;
183 uint8_t last_section_number
;
189 ts_section_t section
;
197 uint16_t section_length
;
198 uint8_t version_number
;
200 uint8_t section_number
;
201 uint8_t last_section_number
;
203 uint16_t prog_descr_length
;
204 ts_section_t section
;
208 uint32_t type
; //it's 8 bit long, but cast to the right type as FOURCC
209 uint16_t descr_length
;
210 uint8_t format_descriptor
[5];
215 mp4_es_descr_t
*mp4es
;
216 int od_cnt
, mp4es_cnt
;
229 av_fifo_t fifo
[3]; //0 for audio, 1 for video, 2 for subs
238 char packet
[TS_FEC_PACKET_SIZE
];
239 TS_stream_info vstr
, astr
;
244 es_stream_type_t type
;
245 ts_section_t section
;
249 #define IS_AUDIO(x) (((x) == AUDIO_MP2) || ((x) == AUDIO_A52) || ((x) == AUDIO_LPCM_BE) || ((x) == AUDIO_AAC) || ((x) == AUDIO_DTS) || ((x) == AUDIO_TRUEHD))
250 #define IS_VIDEO(x) (((x) == VIDEO_MPEG1) || ((x) == VIDEO_MPEG2) || ((x) == VIDEO_MPEG4) || ((x) == VIDEO_H264) || ((x) == VIDEO_AVC) || ((x) == VIDEO_VC1))
251 #define IS_SUB(x) (((x) == SPU_DVD) || ((x) == SPU_DVB) || ((x) == SPU_TELETEXT))
253 static int ts_parse(demuxer_t
*demuxer
, ES_stream_t
*es
, unsigned char *packet
, int probe
);
255 static uint8_t get_packet_size(const unsigned char *buf
, int size
)
259 if (size
< (TS_FEC_PACKET_SIZE
* NUM_CONSECUTIVE_TS_PACKETS
))
262 for(i
=0; i
<NUM_CONSECUTIVE_TS_PACKETS
; i
++)
264 if (buf
[i
* TS_PACKET_SIZE
] != 0x47)
266 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "GET_PACKET_SIZE, pos %d, char: %2x\n", i
, buf
[i
* TS_PACKET_SIZE
]);
270 return TS_PACKET_SIZE
;
273 for(i
=0; i
<NUM_CONSECUTIVE_TS_PACKETS
; i
++)
275 if (buf
[i
* TS_FEC_PACKET_SIZE
] != 0x47){
276 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "GET_PACKET_SIZE, pos %d, char: %2x\n", i
, buf
[i
* TS_PACKET_SIZE
]);
280 return TS_FEC_PACKET_SIZE
;
283 for(i
=0; i
<NUM_CONSECUTIVE_TS_PACKETS
; i
++)
285 if (buf
[i
* TS_PH_PACKET_SIZE
] != 0x47)
288 return TS_PH_PACKET_SIZE
;
291 static int parse_avc_sps(uint8_t *buf
, int len
, int *w
, int *h
);
292 static inline uint8_t *pid_lang_from_pmt(ts_priv_t
*priv
, int pid
);
294 static void ts_add_stream(demuxer_t
* demuxer
, ES_stream_t
*es
)
297 ts_priv_t
*priv
= (ts_priv_t
*) demuxer
->priv
;
299 if(priv
->ts
.streams
[es
->pid
].sh
)
302 if((IS_AUDIO(es
->type
) || IS_AUDIO(es
->subtype
)) && priv
->last_aid
+1 < MAX_A_STREAMS
)
304 sh_audio_t
*sh
= new_sh_audio_aid(demuxer
, priv
->last_aid
, es
->pid
);
307 const char *lang
= pid_lang_from_pmt(priv
, es
->pid
);
308 sh
->needs_parsing
= 1;
309 sh
->format
= IS_AUDIO(es
->type
) ? es
->type
: es
->subtype
;
310 sh
->ds
= demuxer
->audio
;
312 priv
->ts
.streams
[es
->pid
].id
= priv
->last_aid
;
313 priv
->ts
.streams
[es
->pid
].sh
= sh
;
314 priv
->ts
.streams
[es
->pid
].type
= TYPE_AUDIO
;
315 mp_msg(MSGT_DEMUX
, MSGL_V
, "\r\nADDED AUDIO PID %d, type: %x stream n. %d\r\n", es
->pid
, sh
->format
, priv
->last_aid
);
317 mp_msg(MSGT_IDENTIFY
, MSGL_V
, "ID_AID_%d_LANG=%s\n", es
->pid
, lang
);
321 if(es
->extradata
&& es
->extradata_len
)
323 sh
->wf
= malloc(sizeof (WAVEFORMATEX
) + es
->extradata_len
);
324 sh
->wf
->cbSize
= es
->extradata_len
;
325 memcpy(sh
->wf
+ 1, es
->extradata
, es
->extradata_len
);
329 if((IS_VIDEO(es
->type
) || IS_VIDEO(es
->subtype
)) && priv
->last_vid
+1 < MAX_V_STREAMS
)
331 sh_video_t
*sh
= new_sh_video_vid(demuxer
, priv
->last_vid
, es
->pid
);
334 sh
->format
= IS_VIDEO(es
->type
) ? es
->type
: es
->subtype
;
335 sh
->ds
= demuxer
->video
;
337 priv
->ts
.streams
[es
->pid
].id
= priv
->last_vid
;
338 priv
->ts
.streams
[es
->pid
].sh
= sh
;
339 priv
->ts
.streams
[es
->pid
].type
= TYPE_VIDEO
;
340 mp_msg(MSGT_DEMUX
, MSGL_V
, "\r\nADDED VIDEO PID %d, type: %x stream n. %d\r\n", es
->pid
, sh
->format
, priv
->last_vid
);
344 if(sh
->format
== VIDEO_AVC
&& es
->extradata
&& es
->extradata_len
)
347 sh
->bih
= calloc(1, sizeof(BITMAPINFOHEADER
) + es
->extradata_len
);
348 sh
->bih
->biSize
= sizeof(BITMAPINFOHEADER
) + es
->extradata_len
;
349 sh
->bih
->biCompression
= sh
->format
;
350 memcpy(sh
->bih
+ 1, es
->extradata
, es
->extradata_len
);
351 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
, "EXTRADATA(%d BYTES): \n", es
->extradata_len
);
352 for(i
= 0;i
< es
->extradata_len
; i
++)
353 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
, "%02x ", (int) es
->extradata
[i
]);
354 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
,"\n");
355 if(parse_avc_sps(es
->extradata
, es
->extradata_len
, &w
, &h
))
357 sh
->bih
->biWidth
= w
;
358 sh
->bih
->biHeight
= h
;
365 static int ts_check_file(demuxer_t
* demuxer
)
367 const int buf_size
= (TS_FEC_PACKET_SIZE
* NUM_CONSECUTIVE_TS_PACKETS
);
368 unsigned char buf
[TS_FEC_PACKET_SIZE
* NUM_CONSECUTIVE_TS_PACKETS
], done
= 0, *ptr
;
369 uint32_t _read
, i
, count
= 0, is_ts
;
370 int cc
[NB_PID_MAX
], last_cc
[NB_PID_MAX
], pid
, cc_ok
, c
, good
, bad
;
375 mp_msg(MSGT_DEMUX
, MSGL_V
, "Checking for MPEG-TS...\n");
377 init_pos
= stream_tell(demuxer
->stream
);
384 while(((c
=stream_read_char(demuxer
->stream
)) != 0x47)
386 && (i
< MAX_CHECK_SIZE
)
387 && ! demuxer
->stream
->eof
393 mp_msg(MSGT_DEMUX
, MSGL_V
, "THIS DOESN'T LOOK LIKE AN MPEG-TS FILE!\n");
399 pos
= stream_tell(demuxer
->stream
) - 1;
401 _read
= stream_read(demuxer
->stream
, &buf
[1], buf_size
-1);
403 if(_read
< buf_size
-1)
405 mp_msg(MSGT_DEMUX
, MSGL_V
, "COULDN'T READ ENOUGH DATA, EXITING TS_CHECK\n");
406 stream_reset(demuxer
->stream
);
410 size
= get_packet_size(buf
, buf_size
);
417 if(pos
- init_pos
>= MAX_CHECK_SIZE
)
424 mp_msg(MSGT_DEMUX
, MSGL_V
, "TRIED UP TO POSITION %"PRIu64
", FOUND %x, packet_size= %d, SEEMS A TS? %d\n", (uint64_t) pos
, c
, size
, is_ts
);
425 stream_seek(demuxer
->stream
, pos
);
430 //LET'S CHECK continuity counters
432 for(count
= 0; count
< NB_PID_MAX
; count
++)
434 cc
[count
] = last_cc
[count
] = -1;
437 for(count
= 0; count
< NUM_CONSECUTIVE_TS_PACKETS
; count
++)
439 ptr
= &(buf
[size
* count
]);
440 pid
= ((ptr
[1] & 0x1f) << 8) | ptr
[2];
441 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "BUF: %02x %02x %02x %02x, PID %d, SIZE: %d \n",
442 ptr
[0], ptr
[1], ptr
[2], ptr
[3], pid
, size
);
444 if((pid
== 8191) || (pid
< 16))
447 cc
[pid
] = (ptr
[3] & 0xf);
448 cc_ok
= (last_cc
[pid
] < 0) || ((((last_cc
[pid
] + 1) & 0x0f) == cc
[pid
]));
449 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "PID %d, COMPARE CC %d AND LAST_CC %d\n", pid
, cc
[pid
], last_cc
[pid
]);
456 last_cc
[pid
] = cc
[pid
];
459 mp_msg(MSGT_DEMUX
, MSGL_V
, "GOOD CC: %d, BAD CC: %d\n", good
, bad
);
468 static inline int32_t progid_idx_in_pmt(ts_priv_t
*priv
, uint16_t progid
)
472 if(priv
->pmt
== NULL
)
475 for(x
= 0; x
< priv
->pmt_cnt
; x
++)
477 if(priv
->pmt
[x
].progid
== progid
)
485 static inline int32_t progid_for_pid(ts_priv_t
*priv
, int pid
, int32_t req
) //finds the first program listing a pid
491 if(priv
->pmt
== NULL
)
495 for(i
=0; i
< priv
->pmt_cnt
; i
++)
497 pmt
= &(priv
->pmt
[i
]);
502 for(j
= 0; j
< pmt
->es_cnt
; j
++)
504 if(pmt
->es
[j
].pid
== pid
)
506 if((req
== 0) || (req
== pmt
->progid
))
515 static inline int32_t prog_pcr_pid(ts_priv_t
*priv
, int progid
)
519 if(priv
->pmt
== NULL
)
521 for(i
=0; i
< priv
->pmt_cnt
; i
++)
523 if(priv
->pmt
[i
].progid
== progid
)
524 return priv
->pmt
[i
].PCR_PID
;
530 static inline int pid_match_lang(ts_priv_t
*priv
, uint16_t pid
, char *lang
)
535 if(priv
->pmt
== NULL
)
538 for(i
=0; i
< priv
->pmt_cnt
; i
++)
540 pmt
= &(priv
->pmt
[i
]);
545 for(j
= 0; j
< pmt
->es_cnt
; j
++)
547 if(pmt
->es
[j
].pid
!= pid
)
550 mp_msg(MSGT_DEMUXER
, MSGL_V
, "CMP LANG %s AND %s, pids: %d %d\n",pmt
->es
[j
].lang
, lang
, pmt
->es
[j
].pid
, pid
);
551 if(strncmp(pmt
->es
[j
].lang
, lang
, 3) == 0)
563 int32_t atype
, vtype
, stype
; //types
564 int32_t apid
, vpid
, spid
; //stream ids
565 char slang
[4], alang
[4]; //languages
570 //stripped down version of a52_syncinfo() from liba52
571 //copyright belongs to Michel Lespinasse <walken@zoy.org> and Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
572 int mp_a52_framesize(uint8_t * buf
, int *srate
)
574 int rate
[] = { 32, 40, 48, 56, 64, 80, 96, 112,
575 128, 160, 192, 224, 256, 320, 384, 448,
578 uint8_t halfrate
[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3};
579 int frmsizecod
, bitrate
, half
;
581 if((buf
[0] != 0x0b) || (buf
[1] != 0x77)) /* syncword */
584 if(buf
[5] >= 0x60) /* bsid >= 12 */
587 half
= halfrate
[buf
[5] >> 3];
589 frmsizecod
= buf
[4] & 63;
593 bitrate
= rate
[frmsizecod
>> 1];
595 switch(buf
[4] & 0xc0)
598 *srate
= 48000 >> half
;
600 case 0x40: /* 44.1 KHz */
601 *srate
= 44100 >> half
;
602 return 2 * (320 * bitrate
/ 147 + (frmsizecod
& 1));
603 case 0x80: /* 32 KHz */
604 *srate
= 32000 >> half
;
611 //second stage: returns the count of A52 syncwords found
612 static int a52_check(char *buf
, int len
)
614 int cnt
, frame_length
, ok
, srate
;
622 if(buf
[cnt
] == 0x0B && buf
[cnt
+1] == 0x77)
624 frame_length
= mp_a52_framesize(&buf
[cnt
], &srate
);
625 if(frame_length
>=7 && frame_length
<=3840)
637 mp_msg(MSGT_DEMUXER
, MSGL_V
, "A52_CHECK(%d input bytes), found %d frame syncwords of %d bytes length\n", len
, ok
, frame_length
);
642 static off_t
ts_detect_streams(demuxer_t
*demuxer
, tsdemux_init_t
*param
)
644 int video_found
= 0, audio_found
= 0, sub_found
= 0, i
, num_packets
= 0, req_apid
, req_vpid
, req_spid
;
645 int is_audio
, is_video
, is_sub
, has_tables
;
646 int32_t p
, chosen_pid
= 0;
647 off_t pos
=0, ret
= 0, init_pos
, end_pos
;
649 unsigned char tmp
[TS_FEC_PACKET_SIZE
];
650 ts_priv_t
*priv
= (ts_priv_t
*) demuxer
->priv
;
654 } pes_priv1
[8192], *pptr
;
657 priv
->last_pid
= 8192; //invalid pid
659 req_apid
= param
->apid
;
660 req_vpid
= param
->vpid
;
661 req_spid
= param
->spid
;
664 memset(pes_priv1
, 0, sizeof(pes_priv1
));
665 init_pos
= stream_tell(demuxer
->stream
);
666 mp_msg(MSGT_DEMUXER
, MSGL_V
, "PROBING UP TO %"PRIu64
", PROG: %d\n", (uint64_t) param
->probe
, param
->prog
);
667 end_pos
= init_pos
+ (param
->probe
? param
->probe
: TS_MAX_PROBE_SIZE
);
670 pos
= stream_tell(demuxer
->stream
);
671 if(pos
> end_pos
|| demuxer
->stream
->eof
)
674 if(ts_parse(demuxer
, &es
, tmp
, 1))
676 //Non PES-aligned A52 audio may escape detection if PMT is not present;
677 //in this case we try to find at least 3 A52 syncwords
678 if((es
.type
== PES_PRIVATE1
) && (! audio_found
) && req_apid
> -2)
680 pptr
= &pes_priv1
[es
.pid
];
681 if(pptr
->pos
< 64*1024)
683 tmpbuf
= realloc(pptr
->buf
, pptr
->pos
+ es
.size
);
687 memcpy(&(pptr
->buf
[ pptr
->pos
]), es
.start
, es
.size
);
688 pptr
->pos
+= es
.size
;
689 if(a52_check(pptr
->buf
, pptr
->pos
) > 2)
691 param
->atype
= AUDIO_A52
;
692 param
->apid
= es
.pid
;
699 is_audio
= IS_AUDIO(es
.type
) || ((es
.type
==SL_PES_STREAM
) && IS_AUDIO(es
.subtype
));
700 is_video
= IS_VIDEO(es
.type
) || ((es
.type
==SL_PES_STREAM
) && IS_VIDEO(es
.subtype
));
701 is_sub
= IS_SUB(es
.type
);
704 if((! is_audio
) && (! is_video
) && (! is_sub
))
706 if(is_audio
&& req_apid
==-2)
711 chosen_pid
= (req_vpid
== es
.pid
);
712 if((! chosen_pid
) && (req_vpid
> 0))
719 chosen_pid
= (req_apid
== es
.pid
);
723 else if(param
->alang
[0] > 0 && es
.lang
[0] > 0)
725 if(pid_match_lang(priv
, es
.pid
, param
->alang
) == -1)
729 param
->apid
= req_apid
= es
.pid
;
734 mp_msg(MSGT_IDENTIFY
, MSGL_V
, "ID_SUBTITLE_ID=%d\n", es
.pid
);
736 mp_msg(MSGT_IDENTIFY
, MSGL_V
, "ID_SID_%d_LANG=%s\n", es
.pid
, es
.lang
);
737 chosen_pid
= (req_spid
== es
.pid
);
738 if((! chosen_pid
) && (req_spid
> 0))
742 if(req_apid
< 0 && (param
->alang
[0] == 0) && req_vpid
< 0 && req_spid
< 0)
745 if((ret
== 0) && chosen_pid
)
747 ret
= stream_tell(demuxer
->stream
);
750 p
= progid_for_pid(priv
, es
.pid
, param
->prog
);
754 if(!param
->prog
&& chosen_pid
)
758 if((param
->prog
> 0) && (param
->prog
!= p
))
762 if(is_video
&& (req_vpid
== es
.pid
))
764 param
->vtype
= IS_VIDEO(es
.type
) ? es
.type
: es
.subtype
;
765 param
->vpid
= es
.pid
;
773 if(is_audio
&& (req_apid
== es
.pid
))
775 param
->atype
= IS_AUDIO(es
.type
) ? es
.type
: es
.subtype
;
776 param
->apid
= es
.pid
;
787 mp_msg(MSGT_DEMUXER
, MSGL_DBG2
, "TYPE: %x, PID: %d, PROG FOUND: %d\n", es
.type
, es
.pid
, param
->prog
);
792 if((req_vpid
== -1) || (req_vpid
== es
.pid
))
794 param
->vtype
= IS_VIDEO(es
.type
) ? es
.type
: es
.subtype
;
795 param
->vpid
= es
.pid
;
801 if(((req_vpid
== -2) || (num_packets
>= NUM_CONSECUTIVE_AUDIO_PACKETS
)) && audio_found
&& !param
->probe
)
803 //novideo or we have at least 348 audio packets (64 KB) without video (TS with audio only)
810 if((req_spid
== -1) || (req_spid
== es
.pid
))
812 param
->stype
= es
.type
;
813 param
->spid
= es
.pid
;
820 if((req_apid
== -1) || (req_apid
== es
.pid
))
822 param
->atype
= IS_AUDIO(es
.type
) ? es
.type
: es
.subtype
;
823 param
->apid
= es
.pid
;
828 if(audio_found
&& (param
->apid
== es
.pid
) && (! video_found
))
831 if((has_tables
==0) && (video_found
&& audio_found
) && (pos
>= 1000000))
836 for(i
=0; i
<8192; i
++)
838 if(pes_priv1
[i
].buf
!= NULL
)
840 free(pes_priv1
[i
].buf
);
841 pes_priv1
[i
].buf
= NULL
;
842 pes_priv1
[i
].pos
= 0;
848 if(param
->vtype
== VIDEO_MPEG1
)
849 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "VIDEO MPEG1(pid=%d) ", param
->vpid
);
850 else if(param
->vtype
== VIDEO_MPEG2
)
851 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "VIDEO MPEG2(pid=%d) ", param
->vpid
);
852 else if(param
->vtype
== VIDEO_MPEG4
)
853 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "VIDEO MPEG4(pid=%d) ", param
->vpid
);
854 else if(param
->vtype
== VIDEO_H264
)
855 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "VIDEO H264(pid=%d) ", param
->vpid
);
856 else if(param
->vtype
== VIDEO_VC1
)
857 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "VIDEO VC1(pid=%d) ", param
->vpid
);
858 else if(param
->vtype
== VIDEO_AVC
)
859 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "VIDEO AVC(NAL-H264, pid=%d) ", param
->vpid
);
863 param
->vtype
= UNKNOWN
;
864 //WE DIDN'T MATCH ANY VIDEO STREAM
865 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "NO VIDEO! ");
868 if(param
->atype
== AUDIO_MP2
)
869 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "AUDIO MPA(pid=%d)", param
->apid
);
870 else if(param
->atype
== AUDIO_A52
)
871 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "AUDIO A52(pid=%d)", param
->apid
);
872 else if(param
->atype
== AUDIO_DTS
)
873 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "AUDIO DTS(pid=%d)", param
->apid
);
874 else if(param
->atype
== AUDIO_LPCM_BE
)
875 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "AUDIO LPCM(pid=%d)", param
->apid
);
876 else if(param
->atype
== AUDIO_AAC
)
877 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "AUDIO AAC(pid=%d)", param
->apid
);
878 else if(param
->atype
== AUDIO_TRUEHD
)
879 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "AUDIO TRUEHD(pid=%d)", param
->apid
);
883 param
->atype
= UNKNOWN
;
884 //WE DIDN'T MATCH ANY AUDIO STREAM, SO WE FORCE THE DEMUXER TO IGNORE AUDIO
885 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "NO AUDIO! ");
888 if(IS_SUB(param
->stype
))
889 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, " SUB %s(pid=%d) ", (param
->stype
==SPU_DVD
? "DVD" : param
->stype
==SPU_DVB
? "DVB" : "Teletext"), param
->spid
);
892 param
->stype
= UNKNOWN
;
893 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, " NO SUBS (yet)! ");
896 if(video_found
|| audio_found
)
900 p
= progid_for_pid(priv
, video_found
? param
->vpid
: param
->apid
, 0);
905 if(demuxer
->stream
->eof
&& (ret
== 0))
907 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, " PROGRAM N. %d\n", param
->prog
);
910 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "\n");
913 for(i
=0; i
<8192; i
++)
915 if(priv
->ts
.pids
[i
] != NULL
)
917 priv
->ts
.pids
[i
]->payload_size
= 0;
918 priv
->ts
.pids
[i
]->pts
= priv
->ts
.pids
[i
]->last_pts
= 0;
919 priv
->ts
.pids
[i
]->last_cc
= -1;
920 priv
->ts
.pids
[i
]->is_synced
= 0;
927 static int parse_avc_sps(uint8_t *buf
, int len
, int *w
, int *h
)
931 mp_mpeg_header_t picture
;
937 sps_len
= (buf
[6] << 8) | buf
[7];
938 if(!sps_len
|| (sps_len
> len
- 8))
941 picture
.display_picture_width
= picture
.display_picture_height
= 0;
942 h264_parse_sps(&picture
, ptr
, len
- 8);
943 if(!picture
.display_picture_width
|| !picture
.display_picture_height
)
945 *w
= picture
.display_picture_width
;
946 *h
= picture
.display_picture_height
;
950 static demuxer_t
*demux_open_ts(demuxer_t
* demuxer
)
954 sh_video_t
*sh_video
;
955 sh_audio_t
*sh_audio
;
957 tsdemux_init_t params
;
958 ts_priv_t
* priv
= demuxer
->priv
;
960 mp_msg(MSGT_DEMUX
, MSGL_V
, "DEMUX OPEN, AUDIO_ID: %d, VIDEO_ID: %d, SUBTITLE_ID: %d,\n",
961 demuxer
->audio
->id
, demuxer
->video
->id
, demuxer
->sub
->id
);
964 demuxer
->type
= DEMUXER_TYPE_MPEG_TS
;
967 stream_reset(demuxer
->stream
);
969 packet_size
= ts_check_file(demuxer
);
973 priv
= calloc(1, sizeof(ts_priv_t
));
976 mp_msg(MSGT_DEMUX
, MSGL_FATAL
, "DEMUX_OPEN_TS, couldn't allocate enough memory for ts->priv, exit\n");
980 for(i
=0; i
< 8192; i
++)
982 priv
->ts
.pids
[i
] = NULL
;
983 priv
->ts
.streams
[i
].id
= -3;
985 priv
->pat
.progs
= NULL
;
986 priv
->pat
.progs_cnt
= 0;
987 priv
->pat
.section
.buffer
= NULL
;
988 priv
->pat
.section
.buffer_len
= 0;
993 priv
->keep_broken
= ts_keep_broken
;
994 priv
->ts
.packet_size
= packet_size
;
997 demuxer
->priv
= priv
;
998 if(demuxer
->stream
->type
!= STREAMTYPE_FILE
)
999 demuxer
->seekable
= 1;
1001 demuxer
->seekable
= 1;
1004 params
.atype
= params
.vtype
= params
.stype
= UNKNOWN
;
1005 params
.apid
= demuxer
->audio
->id
;
1006 params
.vpid
= demuxer
->video
->id
;
1007 params
.spid
= demuxer
->sub
->id
;
1008 params
.prog
= ts_prog
;
1009 params
.probe
= ts_probe
;
1011 if(dvdsub_lang
!= NULL
)
1013 strncpy(params
.slang
, dvdsub_lang
, 3);
1014 params
.slang
[3] = 0;
1017 memset(params
.slang
, 0, 4);
1019 if(audio_lang
!= NULL
)
1021 strncpy(params
.alang
, audio_lang
, 3);
1022 params
.alang
[3] = 0;
1025 memset(params
.alang
, 0, 4);
1027 start_pos
= ts_detect_streams(demuxer
, ¶ms
);
1029 demuxer
->sub
->id
= params
.spid
;
1030 priv
->prog
= params
.prog
;
1032 if(params
.vtype
!= UNKNOWN
)
1034 ts_add_stream(demuxer
, priv
->ts
.pids
[params
.vpid
]);
1035 sh_video
= priv
->ts
.streams
[params
.vpid
].sh
;
1036 demuxer
->video
->id
= priv
->ts
.streams
[params
.vpid
].id
;
1037 sh_video
->ds
= demuxer
->video
;
1038 sh_video
->format
= params
.vtype
;
1039 demuxer
->video
->sh
= sh_video
;
1042 if(params
.atype
!= UNKNOWN
)
1044 ES_stream_t
*es
= priv
->ts
.pids
[params
.apid
];
1046 if(!IS_AUDIO(es
->type
) && !IS_AUDIO(es
->subtype
) && IS_AUDIO(params
.atype
)) es
->subtype
= params
.atype
;
1047 ts_add_stream(demuxer
, priv
->ts
.pids
[params
.apid
]);
1048 sh_audio
= priv
->ts
.streams
[params
.apid
].sh
;
1049 demuxer
->audio
->id
= priv
->ts
.streams
[params
.apid
].id
;
1050 sh_audio
->ds
= demuxer
->audio
;
1051 sh_audio
->format
= params
.atype
;
1052 demuxer
->audio
->sh
= sh_audio
;
1056 mp_msg(MSGT_DEMUXER
,MSGL_V
, "Opened TS demuxer, audio: %x(pid %d), video: %x(pid %d)...POS=%"PRIu64
", PROBE=%"PRIu64
"\n", params
.atype
, demuxer
->audio
->id
, params
.vtype
, demuxer
->video
->id
, (uint64_t) start_pos
, ts_probe
);
1059 start_pos
= (start_pos
<= priv
->ts
.packet_size
? 0 : start_pos
- priv
->ts
.packet_size
);
1060 demuxer
->movi_start
= start_pos
;
1061 demuxer
->reference_clock
= MP_NOPTS_VALUE
;
1062 stream_reset(demuxer
->stream
);
1063 stream_seek(demuxer
->stream
, start_pos
); //IF IT'S FROM A PIPE IT WILL FAIL, BUT WHO CARES?
1066 priv
->last_pid
= 8192; //invalid pid
1068 for(i
= 0; i
< 3; i
++)
1070 priv
->fifo
[i
].pack
= NULL
;
1071 priv
->fifo
[i
].offset
= 0;
1073 priv
->fifo
[0].ds
= demuxer
->audio
;
1074 priv
->fifo
[1].ds
= demuxer
->video
;
1075 priv
->fifo
[2].ds
= demuxer
->sub
;
1077 priv
->fifo
[0].buffer_size
= 1536;
1078 priv
->fifo
[1].buffer_size
= 32767;
1079 priv
->fifo
[2].buffer_size
= 32767;
1081 priv
->pat
.section
.buffer_len
= 0;
1082 for(i
= 0; i
< priv
->pmt_cnt
; i
++)
1083 priv
->pmt
[i
].section
.buffer_len
= 0;
1085 demuxer
->filepos
= stream_tell(demuxer
->stream
);
1089 static void demux_close_ts(demuxer_t
* demuxer
)
1092 ts_priv_t
*priv
= (ts_priv_t
*) demuxer
->priv
;
1096 if(priv
->pat
.section
.buffer
)
1097 free(priv
->pat
.section
.buffer
);
1099 free(priv
->pat
.progs
);
1103 for(i
= 0; i
< priv
->pmt_cnt
; i
++)
1105 if(priv
->pmt
[i
].section
.buffer
)
1106 free(priv
->pmt
[i
].section
.buffer
);
1108 free(priv
->pmt
[i
].es
);
1118 #define getbits mp_getbits
1120 static int mp4_parse_sl_packet(pmt_t
*pmt
, uint8_t *buf
, uint16_t packet_len
, int pid
, ES_stream_t
*pes_es
)
1122 int i
, n
, m
, mp4_es_id
= -1;
1124 uint32_t pl_size
= 0;
1126 mp4_es_descr_t
*es
= NULL
;
1127 mp4_sl_config_t
*sl
= NULL
;
1128 uint8_t au_start
= 0, au_end
= 0, rap_flag
= 0, ocr_flag
= 0, padding
= 0, padding_bits
= 0, idle
= 0;
1130 pes_es
->is_synced
= 0;
1131 mp_msg(MSGT_DEMUXER
,MSGL_V
, "mp4_parse_sl_packet, pid: %d, pmt: %pm, packet_len: %d\n", pid
, pmt
, packet_len
);
1132 if(! pmt
|| !packet_len
)
1135 for(i
= 0; i
< pmt
->es_cnt
; i
++)
1137 if(pmt
->es
[i
].pid
== pid
)
1138 mp4_es_id
= pmt
->es
[i
].mp4_es_id
;
1143 for(i
= 0; i
< pmt
->mp4es_cnt
; i
++)
1145 if(pmt
->mp4es
[i
].id
== mp4_es_id
)
1146 es
= &(pmt
->mp4es
[i
]);
1151 pes_es
->subtype
= es
->decoder
.object_type
;
1157 //now es is the complete es_descriptor of out mp4 ES stream
1158 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
, "ID: %d, FLAGS: 0x%x, subtype: %x\n", es
->id
, sl
->flags
, pes_es
->subtype
);
1162 pes_es
->sl
.au_start
= au_start
= getbits(buf
, n
++, 1);
1164 pes_es
->sl
.au_start
= (pes_es
->sl
.last_au_end
? 1 : 0);
1166 pes_es
->sl
.au_end
= au_end
= getbits(buf
, n
++, 1);
1168 if(!sl
->au_start
&& !sl
->au_end
)
1170 pes_es
->sl
.au_start
= pes_es
->sl
.au_end
= au_start
= au_end
= 1;
1172 pes_es
->sl
.last_au_end
= pes_es
->sl
.au_end
;
1176 ocr_flag
= getbits(buf
, n
++, 1);
1178 idle
= getbits(buf
, n
++, 1);
1180 padding
= getbits(buf
, n
++, 1);
1183 padding_bits
= getbits(buf
, n
, 3);
1187 if(idle
|| (padding
&& !padding_bits
))
1189 pes_es
->payload_size
= 0;
1193 //(! idle && (!padding || padding_bits != 0)) is true
1194 n
+= sl
->packet_seqnum_len
;
1196 deg_flag
= getbits(buf
, n
++, 1);
1203 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
, "OCR: %d bits\n", sl
->ocr_len
);
1206 if(packet_len
* 8 <= n
)
1209 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
, "\nAU_START: %d, AU_END: %d\n", au_start
, au_end
);
1212 int dts_flag
= 0, cts_flag
= 0, ib_flag
= 0;
1214 if(sl
->random_accesspoint
)
1215 rap_flag
= getbits(buf
, n
++, 1);
1217 //check commented because it seems it's rarely used, and we need this flag set in case of au_start
1218 //the decoder will eventually discard the payload if it can't decode it
1219 //if(rap_flag || sl->random_accesspoint_only)
1220 pes_es
->is_synced
= 1;
1222 n
+= sl
->au_seqnum_len
;
1223 if(packet_len
* 8 <= n
+8)
1227 dts_flag
= getbits(buf
, n
++, 1);
1228 cts_flag
= getbits(buf
, n
++, 1);
1230 if(sl
->instant_bitrate_len
)
1231 ib_flag
= getbits(buf
, n
++, 1);
1232 if(packet_len
* 8 <= n
+8)
1234 if(dts_flag
&& (sl
->ts_len
> 0))
1237 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
, "DTS: %d bits\n", sl
->ts_len
);
1239 if(packet_len
* 8 <= n
+8)
1241 if(cts_flag
&& (sl
->ts_len
> 0))
1245 while(i
< sl
->ts_len
)
1247 m
= FFMIN(8, sl
->ts_len
- i
);
1248 v
|= getbits(buf
, n
, m
);
1249 if(sl
->ts_len
- i
> 8)
1253 if(packet_len
* 8 <= n
+8)
1257 pes_es
->pts
= (double) v
/ (double) sl
->ts_resolution
;
1258 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
, "CTS: %d bits, value: %"PRIu64
"/%d = %.3f\n", sl
->ts_len
, v
, sl
->ts_resolution
, pes_es
->pts
);
1264 while(i
< sl
->au_len
)
1266 m
= FFMIN(8, sl
->au_len
- i
);
1267 pl_size
|= getbits(buf
, n
, m
);
1268 if(sl
->au_len
- i
> 8)
1272 if(packet_len
* 8 <= n
+8)
1275 mp_msg(MSGT_DEMUXER
,MSGL_DBG2
, "AU_LEN: %u (%d bits)\n", pl_size
, sl
->au_len
);
1277 n
+= sl
->instant_bitrate_len
;
1281 if(0 < pl_size
&& pl_size
< pes_es
->payload_size
)
1282 pes_es
->payload_size
= pl_size
;
1284 mp_msg(MSGT_DEMUXER
,MSGL_V
, "mp4_parse_sl_packet, n=%d, m=%d, size from pes hdr: %u, sl hdr size: %u, RAP FLAGS: %d/%d\n",
1285 n
, m
, pes_es
->payload_size
, pl_size
, (int) rap_flag
, (int) sl
->random_accesspoint_only
);
1290 //this function parses the extension fields in the PES header and returns the substream_id, or -1 in case of errors
1291 static int parse_pes_extension_fields(unsigned char *p
, int pkt_len
)
1294 unsigned char flags
;
1296 if(!(p
[7] & 0x1)) //no extension_field
1305 if(p
[7] & 0x20) //escr_flag
1307 if(p
[7] & 0x10) //es_rate_flag
1309 if(p
[7] & 0x08)//dsm_trick_mode is unsupported, skip
1311 skip
= 0;//don't let's parse the extension fields
1313 if(p
[7] & 0x04) //additional_copy_info
1315 if(p
[7] & 0x02) //pes_crc_flag
1317 if(skip
>= pkt_len
) //too few bytes
1321 if(flags
& 0x80) //pes_private_data_flag
1325 if(flags
& 0x40) //pack_header_field_flag
1327 unsigned char l
= p
[skip
];
1330 if(flags
& 0x20) //program_packet_sequence_counter
1332 if(flags
& 0x10) //p_std
1336 if(flags
& 0x01) //finally the long desired pes_extension2
1338 unsigned char l
= p
[skip
]; //ext2 flag+len
1340 if((l
== 0x81) && (skip
< pkt_len
))
1343 mp_msg(MSGT_IDENTIFY
, MSGL_V
, "SUBSTREAM_ID=%d (0x%02X)\n", ssid
, ssid
);
1351 static int pes_parse2(unsigned char *buf
, uint16_t packet_len
, ES_stream_t
*es
, int32_t type_from_pmt
, pmt_t
*pmt
, int pid
)
1354 uint32_t header_len
;
1357 uint32_t pkt_len
, pes_is_aligned
;
1359 //Here we are always at the start of a PES packet
1360 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "pes_parse2(%p, %d): \n", buf
, (uint32_t) packet_len
);
1362 if(packet_len
== 0 || packet_len
> 184)
1364 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "pes_parse2, BUFFER LEN IS TOO SMALL OR TOO BIG: %d EXIT\n", packet_len
);
1369 pkt_len
= packet_len
;
1372 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "pes_parse2: HEADER %02x %02x %02x %02x\n", p
[0], p
[1], p
[2], p
[3]);
1373 if (p
[0] || p
[1] || (p
[2] != 1))
1375 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "pes_parse2: error HEADER %02x %02x %02x (should be 0x000001) \n", p
[0], p
[1], p
[2]);
1382 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "pes_parse2: packet too short: %d, exit\n", packet_len
);
1386 es
->payload_size
= (p
[4] << 8 | p
[5]);
1387 pes_is_aligned
= (p
[6] & 4);
1393 { /* pts available */
1394 pts
= (int64_t)(p
[9] & 0x0E) << 29 ;
1395 pts
|= p
[10] << 22 ;
1396 pts
|= (p
[11] & 0xFE) << 14 ;
1398 pts
|= (p
[13] & 0xFE) >> 1 ;
1400 es
->pts
= pts
/ 90000.0;
1409 if (header_len
+ 9 > pkt_len
) //9 are the bytes read up to the header_length field
1411 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "demux_ts: illegal value for PES_header_data_length (0x%02x)\n", header_len
);
1417 int ssid
= parse_pes_extension_fields(p
, pkt_len
);
1418 if((audio_substream_id
!=-1) && (ssid
!= audio_substream_id
))
1420 if(ssid
== 0x72 && type_from_pmt
!= AUDIO_DTS
)
1421 es
->type
= type_from_pmt
= AUDIO_TRUEHD
;
1424 p
+= header_len
+ 9;
1425 packet_len
-= header_len
+ 3;
1427 if(es
->payload_size
)
1428 es
->payload_size
-= header_len
+ 3;
1431 es
->is_synced
= 1; //only for SL streams we have to make sure it's really true, see below
1432 if (stream_id
== 0xbd)
1434 mp_msg(MSGT_DEMUX
, MSGL_DBG3
, "pes_parse2: audio buf = %02X %02X %02X %02X %02X %02X %02X %02X, 80: %d\n",
1435 p
[0], p
[1], p
[2], p
[3], p
[4], p
[5], p
[6], p
[7], p
[0] & 0x80);
1439 * we check the descriptor tag first because some stations
1440 * do not include any of the A52 header info in their audio tracks
1441 * these "raw" streams may begin with a byte that looks like a stream type.
1446 (type_from_pmt
== AUDIO_A52
) || /* A52 - raw */
1447 (p
[0] == 0x0B && p
[1] == 0x77) /* A52 - syncword */
1450 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "A52 RAW OR SYNCWORD\n");
1452 es
->size
= packet_len
;
1453 es
->type
= AUDIO_A52
;
1454 es
->payload_size
-= packet_len
;
1459 else if(type_from_pmt
== SPU_DVB
||
1460 ((p
[0] == 0x20) && pes_is_aligned
)) // && p[1] == 0x00))
1463 es
->size
= packet_len
;
1465 es
->payload_size
-= packet_len
;
1469 else if (pes_is_aligned
&& ((p
[0] & 0xE0) == 0x20)) //SPU_DVD
1473 es
->size
= packet_len
-1;
1475 es
->payload_size
-= packet_len
;
1479 else if (pes_is_aligned
&& (p
[0] & 0xF8) == 0x80)
1481 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "A52 WITH HEADER\n");
1483 es
->size
= packet_len
- 4;
1484 es
->type
= AUDIO_A52
;
1485 es
->payload_size
-= packet_len
;
1489 else if (pes_is_aligned
&& ((p
[0]&0xf0) == 0xa0))
1493 for (pcm_offset
=0; ++pcm_offset
< packet_len
-1 ; )
1495 if (p
[pcm_offset
] == 0x01 && p
[pcm_offset
+1] == 0x80)
1502 es
->start
= p
+ pcm_offset
;
1503 es
->size
= packet_len
- pcm_offset
;
1504 es
->type
= AUDIO_LPCM_BE
;
1505 es
->payload_size
-= packet_len
;
1511 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "PES_PRIVATE1\n");
1513 es
->size
= packet_len
;
1514 es
->type
= (type_from_pmt
== UNKNOWN
? PES_PRIVATE1
: type_from_pmt
);
1515 es
->payload_size
-= packet_len
;
1520 else if(((stream_id
>= 0xe0) && (stream_id
<= 0xef)) || (stream_id
== 0xfd && type_from_pmt
!= UNKNOWN
))
1523 es
->size
= packet_len
;
1524 if(type_from_pmt
!= UNKNOWN
)
1525 es
->type
= type_from_pmt
;
1527 es
->type
= VIDEO_MPEG2
;
1528 if(es
->payload_size
)
1529 es
->payload_size
-= packet_len
;
1531 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "pes_parse2: M2V size %d\n", es
->size
);
1534 else if ((stream_id
== 0xfa))
1539 if(type_from_pmt
!= UNKNOWN
) //MP4 A/V or SL
1542 es
->size
= packet_len
;
1543 es
->type
= type_from_pmt
;
1545 if(type_from_pmt
== SL_PES_STREAM
)
1547 //if(pes_is_aligned)
1549 l
= mp4_parse_sl_packet(pmt
, p
, packet_len
, pid
, es
);
1550 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "L=%d, TYPE=%x\n", l
, type_from_pmt
);
1553 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "pes_parse2: couldn't parse SL header, passing along full PES payload\n");
1562 if(es
->payload_size
)
1563 es
->payload_size
-= packet_len
;
1567 else if ((stream_id
& 0xe0) == 0xc0)
1570 es
->size
= packet_len
;
1572 if(type_from_pmt
!= UNKNOWN
)
1573 es
->type
= type_from_pmt
;
1575 es
->type
= AUDIO_MP2
;
1577 es
->payload_size
-= packet_len
;
1581 else if (type_from_pmt
!= -1) //as a last resort here we trust the PMT, if present
1584 es
->size
= packet_len
;
1585 es
->type
= type_from_pmt
;
1586 es
->payload_size
-= packet_len
;
1592 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "pes_parse2: unknown packet, id: %x\n", stream_id
);
1602 static int ts_sync(stream_t
*stream
)
1606 mp_msg(MSGT_DEMUX
, MSGL_DBG3
, "TS_SYNC \n");
1608 while(((c
=stream_read_char(stream
)) != 0x47) && ! stream
->eof
);
1617 static void ts_dump_streams(ts_priv_t
*priv
)
1621 for(i
= 0; i
< 3; i
++)
1623 if((priv
->fifo
[i
].pack
!= NULL
) && (priv
->fifo
[i
].offset
!= 0))
1625 resize_demux_packet(priv
->fifo
[i
].pack
, priv
->fifo
[i
].offset
);
1626 ds_add_packet(priv
->fifo
[i
].ds
, priv
->fifo
[i
].pack
);
1627 priv
->fifo
[i
].offset
= 0;
1628 priv
->fifo
[i
].pack
= NULL
;
1634 static inline int32_t prog_idx_in_pat(ts_priv_t
*priv
, uint16_t progid
)
1638 if(priv
->pat
.progs
== NULL
)
1641 for(x
= 0; x
< priv
->pat
.progs_cnt
; x
++)
1643 if(priv
->pat
.progs
[x
].id
== progid
)
1651 static inline int32_t prog_id_in_pat(ts_priv_t
*priv
, uint16_t pid
)
1655 if(priv
->pat
.progs
== NULL
)
1658 for(x
= 0; x
< priv
->pat
.progs_cnt
; x
++)
1660 if(priv
->pat
.progs
[x
].pmt_pid
== pid
)
1661 return priv
->pat
.progs
[x
].id
;
1667 static int collect_section(ts_section_t
*section
, int is_start
, unsigned char *buff
, int size
)
1673 mp_msg(MSGT_DEMUX
, MSGL_V
, "COLLECT_SECTION, start: %d, size: %d, collected: %d\n", is_start
, size
, section
->buffer_len
);
1674 if(! is_start
&& !section
->buffer_len
)
1679 if(! section
->buffer
)
1681 section
->buffer
= malloc(4096 + 256);
1682 if(section
->buffer
== NULL
)
1685 section
->buffer_len
= 0;
1688 if(size
+ section
->buffer_len
> 4096+256)
1690 mp_msg(MSGT_DEMUX
, MSGL_V
, "COLLECT_SECTION, excessive len: %d + %d\n", section
->buffer_len
, size
);
1694 memcpy(&(section
->buffer
[section
->buffer_len
]), buff
, size
);
1695 section
->buffer_len
+= size
;
1697 if(section
->buffer_len
< 3)
1700 skip
= section
->buffer
[0];
1701 if(skip
+ 4 > section
->buffer_len
)
1704 ptr
= &(section
->buffer
[skip
+ 1]);
1706 tlen
= ((ptr
[1] & 0x0f) << 8) | ptr
[2];
1707 mp_msg(MSGT_DEMUX
, MSGL_V
, "SKIP: %d+1, TID: %d, TLEN: %d, COLLECTED: %d\n", skip
, tid
, tlen
, section
->buffer_len
);
1708 if(section
->buffer_len
< (skip
+1+3+tlen
))
1710 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "DATA IS NOT ENOUGH, NEXT TIME\n");
1717 static int parse_pat(ts_priv_t
* priv
, int is_start
, unsigned char *buff
, int size
)
1721 unsigned char *base
;
1724 struct pat_progs_t
*tmp
;
1725 ts_section_t
*section
;
1727 section
= &(priv
->pat
.section
);
1728 skip
= collect_section(section
, is_start
, buff
, size
);
1732 ptr
= &(section
->buffer
[skip
]);
1734 priv
->pat
.table_id
= ptr
[0];
1735 if(priv
->pat
.table_id
!= 0)
1737 priv
->pat
.ssi
= (ptr
[1] >> 7) & 0x1;
1738 priv
->pat
.curr_next
= ptr
[5] & 0x01;
1739 priv
->pat
.ts_id
= (ptr
[3] << 8 ) | ptr
[4];
1740 priv
->pat
.version_number
= (ptr
[5] >> 1) & 0x1F;
1741 priv
->pat
.section_length
= ((ptr
[1] & 0x03) << 8 ) | ptr
[2];
1742 priv
->pat
.section_number
= ptr
[6];
1743 priv
->pat
.last_section_number
= ptr
[7];
1745 //check_crc32(0xFFFFFFFFL, ptr, priv->pat.buffer_len - 4, &ptr[priv->pat.buffer_len - 4]);
1746 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_PAT: section_len: %d, section %d/%d\n", priv
->pat
.section_length
, priv
->pat
.section_number
, priv
->pat
.last_section_number
);
1748 entries
= (int) (priv
->pat
.section_length
- 9) / 4; //entries per section
1750 for(i
=0; i
< entries
; i
++)
1753 base
= &ptr
[8 + i
*4];
1754 progid
= (base
[0] << 8) | base
[1];
1756 if((idx
= prog_idx_in_pat(priv
, progid
)) == -1)
1758 int sz
= sizeof(struct pat_progs_t
) * (priv
->pat
.progs_cnt
+1);
1759 tmp
= realloc_struct(priv
->pat
.progs
, priv
->pat
.progs_cnt
+1, sizeof(struct pat_progs_t
));
1762 mp_msg(MSGT_DEMUX
, MSGL_ERR
, "PARSE_PAT: COULDN'T REALLOC %d bytes, NEXT\n", sz
);
1765 priv
->pat
.progs
= tmp
;
1766 idx
= priv
->pat
.progs_cnt
;
1767 priv
->pat
.progs_cnt
++;
1770 priv
->pat
.progs
[idx
].id
= progid
;
1771 priv
->pat
.progs
[idx
].pmt_pid
= ((base
[2] & 0x1F) << 8) | base
[3];
1772 mp_msg(MSGT_DEMUX
, MSGL_V
, "PROG: %d (%d-th of %d), PMT: %d\n", priv
->pat
.progs
[idx
].id
, i
+1, entries
, priv
->pat
.progs
[idx
].pmt_pid
);
1773 mp_msg(MSGT_IDENTIFY
, MSGL_V
, "PROGRAM_ID=%d (0x%02X), PMT_PID: %d(0x%02X)\n",
1774 progid
, progid
, priv
->pat
.progs
[idx
].pmt_pid
, priv
->pat
.progs
[idx
].pmt_pid
);
1781 static inline int32_t es_pid_in_pmt(pmt_t
* pmt
, uint16_t pid
)
1791 for(i
= 0; i
< pmt
->es_cnt
; i
++)
1793 if(pmt
->es
[i
].pid
== pid
)
1801 static uint16_t get_mp4_desc_len(uint8_t *buf
, int *len
)
1803 //uint16_t i = 0, size = 0;
1804 int i
= 0, j
, size
= 0;
1806 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "PARSE_MP4_DESC_LEN(%d), bytes: ", *len
);
1810 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, " %x ", buf
[i
]);
1811 size
|= (buf
[i
] & 0x7f);
1812 if(!(buf
[i
] & 0x80))
1817 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, ", SIZE=%d\n", size
);
1824 static uint16_t parse_mp4_slconfig_descriptor(uint8_t *buf
, int len
, void *elem
)
1828 mp4_sl_config_t
*sl
;
1830 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_MP4_SLCONFIG_DESCRIPTOR(%d)\n", len
);
1831 es
= (mp4_es_descr_t
*) elem
;
1834 mp_msg(MSGT_DEMUX
, MSGL_V
, "argh! NULL elem passed, skip\n");
1839 sl
->ts_len
= sl
->ocr_len
= sl
->au_len
= sl
->instant_bitrate_len
= sl
->degr_len
= sl
->au_seqnum_len
= sl
->packet_seqnum_len
= 0;
1840 sl
->ocr
= sl
->dts
= sl
->cts
= 0;
1847 sl
->ts_resolution
= (buf
[i
] << 24) | (buf
[i
+1] << 16) | (buf
[i
+2] << 8) | buf
[i
+3];
1849 sl
->ocr_resolution
= (buf
[i
] << 24) | (buf
[i
+1] << 16) | (buf
[i
+2] << 8) | buf
[i
+3];
1851 sl
->ts_len
= buf
[i
];
1853 sl
->ocr_len
= buf
[i
];
1855 sl
->au_len
= buf
[i
];
1857 sl
->instant_bitrate_len
= buf
[i
];
1859 sl
->degr_len
= (buf
[i
] >> 4) & 0x0f;
1860 sl
->au_seqnum_len
= ((buf
[i
] & 0x0f) << 1) | ((buf
[i
+1] >> 7) & 0x01);
1862 sl
->packet_seqnum_len
= ((buf
[i
] >> 2) & 0x1f);
1866 else if(buf
[0] == 1)
1869 sl
->ts_resolution
= 1000;
1873 else if(buf
[0] == 2)
1884 sl
->au_start
= (sl
->flags
>> 7) & 0x1;
1885 sl
->au_end
= (sl
->flags
>> 6) & 0x1;
1886 sl
->random_accesspoint
= (sl
->flags
>> 5) & 0x1;
1887 sl
->random_accesspoint_only
= (sl
->flags
>> 4) & 0x1;
1888 sl
->padding
= (sl
->flags
>> 3) & 0x1;
1889 sl
->use_ts
= (sl
->flags
>> 2) & 0x1;
1890 sl
->idle
= (sl
->flags
>> 1) & 0x1;
1891 sl
->duration
= sl
->flags
& 0x1;
1895 sl
->timescale
= (buf
[i
] << 24) | (buf
[i
+1] << 16) | (buf
[i
+2] << 8) | buf
[i
+3];
1897 sl
->au_duration
= (buf
[i
] << 8) | buf
[i
+1];
1899 sl
->cts_duration
= (buf
[i
] << 8) | buf
[i
+1];
1902 else //no support for fixed durations atm
1903 sl
->timescale
= sl
->au_duration
= sl
->cts_duration
= 0;
1905 mp_msg(MSGT_DEMUX
, MSGL_V
, "MP4SLCONFIG(len=0x%x), predef: %d, flags: %x, use_ts: %d, tslen: %d, timescale: %d, dts: %"PRIu64
", cts: %"PRIu64
"\n",
1906 len
, buf
[0], sl
->flags
, sl
->use_ts
, sl
->ts_len
, sl
->timescale
, (uint64_t) sl
->dts
, (uint64_t) sl
->cts
);
1911 static int parse_mp4_descriptors(pmt_t
*pmt
, uint8_t *buf
, int len
, void *elem
);
1913 static uint16_t parse_mp4_decoder_config_descriptor(pmt_t
*pmt
, uint8_t *buf
, int len
, void *elem
)
1917 mp4_decoder_config_t
*dec
;
1919 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_MP4_DECODER_CONFIG_DESCRIPTOR(%d)\n", len
);
1920 es
= (mp4_es_descr_t
*) elem
;
1923 mp_msg(MSGT_DEMUX
, MSGL_V
, "argh! NULL elem passed, skip\n");
1926 dec
= (mp4_decoder_config_t
*) &(es
->decoder
);
1928 dec
->object_type
= buf
[i
];
1929 dec
->stream_type
= (buf
[i
+1]>>2) & 0x3f;
1931 if(dec
->object_type
== 1 && dec
->stream_type
== 1)
1933 dec
->object_type
= MP4_OD
;
1934 dec
->stream_type
= MP4_OD
;
1936 else if(dec
->stream_type
== 4)
1938 if(dec
->object_type
== 0x6a)
1939 dec
->object_type
= VIDEO_MPEG1
;
1940 if(dec
->object_type
>= 0x60 && dec
->object_type
<= 0x65)
1941 dec
->object_type
= VIDEO_MPEG2
;
1942 else if(dec
->object_type
== 0x20)
1943 dec
->object_type
= VIDEO_MPEG4
;
1944 else if(dec
->object_type
== 0x21)
1945 dec
->object_type
= VIDEO_AVC
;
1946 /*else if(dec->object_type == 0x22)
1947 fprintf(stderr, "TYPE 0x22\n");*/
1948 else dec
->object_type
= UNKNOWN
;
1950 else if(dec
->stream_type
== 5)
1952 if(dec
->object_type
== 0x40)
1953 dec
->object_type
= AUDIO_AAC
;
1954 else if(dec
->object_type
== 0x6b)
1955 dec
->object_type
= AUDIO_MP2
;
1956 else if(dec
->object_type
>= 0x66 && dec
->object_type
<= 0x69)
1957 dec
->object_type
= AUDIO_MP2
;
1959 dec
->object_type
= UNKNOWN
;
1962 dec
->object_type
= dec
->stream_type
= UNKNOWN
;
1964 if(dec
->object_type
!= UNKNOWN
)
1966 //update the type of the current stream
1967 for(j
= 0; j
< pmt
->es_cnt
; j
++)
1969 if(pmt
->es
[j
].mp4_es_id
== es
->id
)
1971 pmt
->es
[j
].type
= SL_PES_STREAM
;
1977 parse_mp4_descriptors(pmt
, &buf
[13], len
-13, dec
);
1979 mp_msg(MSGT_DEMUX
, MSGL_V
, "MP4DECODER(0x%x), object_type: 0x%x, stream_type: 0x%x\n", len
, dec
->object_type
, dec
->stream_type
);
1984 static uint16_t parse_mp4_decoder_specific_descriptor(uint8_t *buf
, int len
, void *elem
)
1987 mp4_decoder_config_t
*dec
;
1989 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_MP4_DECODER_SPECIFIC_DESCRIPTOR(%d)\n", len
);
1990 dec
= (mp4_decoder_config_t
*) elem
;
1993 mp_msg(MSGT_DEMUX
, MSGL_V
, "argh! NULL elem passed, skip\n");
1997 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "MP4 SPECIFIC INFO BYTES: \n");
1998 for(i
=0; i
<len
; i
++)
1999 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "%02x ", buf
[i
]);
2000 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "\n");
2002 if(len
> MAX_EXTRADATA_SIZE
)
2004 mp_msg(MSGT_DEMUX
, MSGL_ERR
, "DEMUX_TS, EXTRADATA SUSPICIOUSLY BIG: %d, REFUSED\r\n", len
);
2007 memcpy(dec
->buf
, buf
, len
);
2008 dec
->buf_size
= len
;
2013 static uint16_t parse_mp4_es_descriptor(pmt_t
*pmt
, uint8_t *buf
, int len
)
2015 int i
= 0, j
= 0, k
, found
;
2017 mp4_es_descr_t es
, *target_es
= NULL
, *tmp
;
2019 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_MP4ES: len=%d\n", len
);
2020 memset(&es
, 0, sizeof(mp4_es_descr_t
));
2023 es
.id
= (buf
[i
] << 8) | buf
[i
+1];
2024 mp_msg(MSGT_DEMUX
, MSGL_V
, "MP4ES_ID: %d\n", es
.id
);
2032 if(flag
& 0x20) //OCR, maybe we need it
2035 j
= parse_mp4_descriptors(pmt
, &buf
[i
], len
-i
, &es
);
2036 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_MP4ES, types after parse_mp4_descriptors: 0x%x, 0x%x\n", es
.decoder
.object_type
, es
.decoder
.stream_type
);
2037 if(es
.decoder
.object_type
!= UNKNOWN
&& es
.decoder
.stream_type
!= UNKNOWN
)
2040 //search this ES_ID if we already have it
2041 for(k
=0; k
< pmt
->mp4es_cnt
; k
++)
2043 if(pmt
->mp4es
[k
].id
== es
.id
)
2045 target_es
= &(pmt
->mp4es
[k
]);
2052 tmp
= realloc_struct(pmt
->mp4es
, pmt
->mp4es_cnt
+1, sizeof(mp4_es_descr_t
));
2055 fprintf(stderr
, "CAN'T REALLOC MP4_ES_DESCR\n");
2059 target_es
= &(pmt
->mp4es
[pmt
->mp4es_cnt
]);
2062 memcpy(target_es
, &es
, sizeof(mp4_es_descr_t
));
2063 mp_msg(MSGT_DEMUX
, MSGL_V
, "MP4ES_CNT: %d, ID=%d\n", pmt
->mp4es_cnt
, target_es
->id
);
2072 static void parse_mp4_object_descriptor(pmt_t
*pmt
, uint8_t *buf
, int len
, void *elem
)
2077 id
= (buf
[0] << 2) | ((buf
[1] & 0xc0) >> 6);
2078 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_MP4_OBJECT_DESCRIPTOR: len=%d, OD_ID=%d\n", len
, id
);
2081 i
+= buf
[2] + 1; //url
2082 mp_msg(MSGT_DEMUX
, MSGL_V
, "URL\n");
2090 j
= parse_mp4_descriptors(pmt
, &(buf
[i
]), len
-i
, elem
);
2091 mp_msg(MSGT_DEMUX
, MSGL_V
, "OBJD, NOW i = %d, j=%d, LEN=%d\n", i
, j
, len
);
2098 static void parse_mp4_iod(pmt_t
*pmt
, uint8_t *buf
, int len
, void *elem
)
2101 mp4_od_t
*iod
= &(pmt
->iod
);
2103 iod
->id
= (buf
[0] << 2) | ((buf
[1] & 0xc0) >> 6);
2104 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_MP4_IOD: len=%d, IOD_ID=%d\n", len
, iod
->id
);
2108 i
+= buf
[2] + 1; //url
2109 mp_msg(MSGT_DEMUX
, MSGL_V
, "URL\n");
2116 j
= parse_mp4_descriptors(pmt
, &(buf
[i
]), len
-i
, elem
);
2117 mp_msg(MSGT_DEMUX
, MSGL_V
, "IOD, NOW i = %d, j=%d, LEN=%d\n", i
, j
, len
);
2123 static int parse_mp4_descriptors(pmt_t
*pmt
, uint8_t *buf
, int len
, void *elem
)
2125 int tag
, descr_len
, i
= 0, j
= 0;
2127 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_MP4_DESCRIPTORS, len=%d\n", len
);
2135 descr_len
= get_mp4_desc_len(&(buf
[i
+1]), &j
);
2136 mp_msg(MSGT_DEMUX
, MSGL_V
, "TAG=%d (0x%x), DESCR_len=%d, len=%d, j=%d\n", tag
, tag
, descr_len
, len
, j
);
2137 if(descr_len
> len
- j
+1)
2139 mp_msg(MSGT_DEMUX
, MSGL_V
, "descriptor is too long, exit\n");
2147 parse_mp4_object_descriptor(pmt
, &(buf
[i
]), descr_len
, elem
);
2150 parse_mp4_iod(pmt
, &(buf
[i
]), descr_len
, elem
);
2153 parse_mp4_es_descriptor(pmt
, &(buf
[i
]), descr_len
);
2156 parse_mp4_decoder_config_descriptor(pmt
, &buf
[i
], descr_len
, elem
);
2159 parse_mp4_decoder_specific_descriptor(&buf
[i
], descr_len
, elem
);
2162 parse_mp4_slconfig_descriptor(&buf
[i
], descr_len
, elem
);
2165 mp_msg(MSGT_DEMUX
, MSGL_V
, "Unsupported mp4 descriptor 0x%x\n", tag
);
2173 static ES_stream_t
*new_pid(ts_priv_t
*priv
, int pid
)
2177 tss
= malloc(sizeof(ES_stream_t
));
2180 memset(tss
, 0, sizeof(ES_stream_t
));
2183 tss
->type
= UNKNOWN
;
2184 tss
->subtype
= UNKNOWN
;
2186 tss
->extradata
= NULL
;
2187 tss
->extradata_alloc
= tss
->extradata_len
= 0;
2188 priv
->ts
.pids
[pid
] = tss
;
2194 static int parse_program_descriptors(pmt_t
*pmt
, uint8_t *buf
, uint16_t len
)
2196 uint16_t i
= 0, k
, olen
= len
;
2200 mp_msg(MSGT_DEMUX
, MSGL_V
, "PROG DESCR, TAG=%x, LEN=%d(%x)\n", buf
[i
], buf
[i
+1], buf
[i
+1]);
2201 if(buf
[i
+1] > len
-2)
2203 mp_msg(MSGT_DEMUX
, MSGL_V
, "ERROR, descriptor len is too long, skipping\n");
2209 if(buf
[i
+3] == 2) //buggy versions of vlc muxer make this non-standard mess (missing iod_scope)
2212 k
= 4; //this is standard compliant
2213 parse_mp4_descriptors(pmt
, &buf
[i
+k
], (int) buf
[i
+1]-(k
-2), NULL
);
2216 len
-= 2 + buf
[i
+1];
2222 static int parse_descriptors(struct pmt_es_t
*es
, uint8_t *ptr
)
2224 int j
, descr_len
, len
;
2227 len
= es
->descr_length
;
2230 descr_len
= ptr
[j
+1];
2231 mp_msg(MSGT_DEMUX
, MSGL_V
, "...descr id: 0x%x, len=%d\n", ptr
[j
], descr_len
);
2234 mp_msg(MSGT_DEMUX
, MSGL_ERR
, "INVALID DESCR LEN for tag %02x: %d vs %d max, EXIT LOOP\n", ptr
[j
], descr_len
, len
);
2239 if(ptr
[j
] == 0x6a || ptr
[j
] == 0x7a) //A52 Descriptor
2243 es
->type
= AUDIO_A52
;
2244 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "DVB A52 Descriptor\n");
2247 else if(ptr
[j
] == 0x7b) //DVB DTS Descriptor
2251 es
->type
= AUDIO_DTS
;
2252 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "DVB DTS Descriptor\n");
2255 else if(ptr
[j
] == 0x56) // Teletext
2257 if(descr_len
>= 5) {
2258 memcpy(es
->lang
, ptr
+2, 3);
2261 es
->type
= SPU_TELETEXT
;
2263 else if(ptr
[j
] == 0x59) //Subtitling Descriptor
2267 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "Subtitling Descriptor\n");
2270 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "Descriptor length too short for DVB Subtitle Descriptor: %d, SKIPPING\n", descr_len
);
2274 memcpy(es
->lang
, &ptr
[j
+2], 3);
2278 (subtype
>= 0x10 && subtype
<= 0x13) ||
2279 (subtype
>= 0x20 && subtype
<= 0x23)
2283 //page parameters: compo page 2 bytes, ancillary page 2 bytes
2289 else if(ptr
[j
] == 0x50) //Component Descriptor
2291 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "Component Descriptor\n");
2292 memcpy(es
->lang
, &ptr
[j
+5], 3);
2295 else if(ptr
[j
] == 0xa) //Language Descriptor
2297 memcpy(es
->lang
, &ptr
[j
+2], 3);
2299 mp_msg(MSGT_DEMUX
, MSGL_V
, "Language Descriptor: %s\n", es
->lang
);
2301 else if(ptr
[j
] == 0x5) //Registration Descriptor (looks like e fourCC :) )
2303 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "Registration Descriptor\n");
2306 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "Registration Descriptor length too short: %d, SKIPPING\n", descr_len
);
2311 memcpy(es
->format_descriptor
, &ptr
[j
+2], 4);
2312 es
->format_descriptor
[4] = 0;
2315 if(d
[0] == 'A' && d
[1] == 'C' && d
[2] == '-' && d
[3] == '3')
2317 es
->type
= AUDIO_A52
;
2319 else if(d
[0] == 'D' && d
[1] == 'T' && d
[2] == 'S' && d
[3] == '1')
2321 es
->type
= AUDIO_DTS
;
2323 else if(d
[0] == 'D' && d
[1] == 'T' && d
[2] == 'S' && d
[3] == '2')
2325 es
->type
= AUDIO_DTS
;
2327 else if(d
[0] == 'V' && d
[1] == 'C' && d
[2] == '-' && d
[3] == '1')
2329 es
->type
= VIDEO_VC1
;
2333 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "FORMAT %s\n", es
->format_descriptor
);
2336 else if(ptr
[j
] == 0x1e)
2338 es
->mp4_es_id
= (ptr
[j
+2] << 8) | ptr
[j
+3];
2339 mp_msg(MSGT_DEMUX
, MSGL_V
, "SL Descriptor: ES_ID: %d(%x), pid: %d\n", es
->mp4_es_id
, es
->mp4_es_id
, es
->pid
);
2342 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "Unknown descriptor 0x%x, SKIPPING\n", ptr
[j
]);
2344 len
-= 2 + descr_len
;
2351 static int parse_sl_section(pmt_t
*pmt
, ts_section_t
*section
, int is_start
, unsigned char *buff
, int size
)
2355 skip
= collect_section(section
, is_start
, buff
, size
);
2359 ptr
= &(section
->buffer
[skip
]);
2361 len
= ((ptr
[1] & 0x0f) << 8) | ptr
[2];
2362 mp_msg(MSGT_DEMUX
, MSGL_V
, "TABLEID: %d (av. %d), skip=%d, LEN: %d\n", tid
, section
->buffer_len
, skip
, len
);
2363 if(len
> 4093 || section
->buffer_len
< len
|| tid
!= 5)
2365 mp_msg(MSGT_DEMUX
, MSGL_V
, "SECTION TOO LARGE or wrong section type, EXIT\n");
2372 //8 is the current position, len - 9 is the amount of data available
2373 parse_mp4_descriptors(pmt
, &ptr
[8], len
- 9, NULL
);
2378 static int parse_pmt(ts_priv_t
* priv
, uint16_t progid
, uint16_t pid
, int is_start
, unsigned char *buff
, int size
)
2380 unsigned char *base
, *es_base
;
2382 int32_t idx
, es_count
, section_bytes
;
2386 struct pmt_es_t
*tmp_es
;
2387 ts_section_t
*section
;
2390 idx
= progid_idx_in_pmt(priv
, progid
);
2394 int sz
= (priv
->pmt_cnt
+ 1) * sizeof(pmt_t
);
2395 tmp
= realloc_struct(priv
->pmt
, priv
->pmt_cnt
+ 1, sizeof(pmt_t
));
2398 mp_msg(MSGT_DEMUX
, MSGL_ERR
, "PARSE_PMT: COULDN'T REALLOC %d bytes, NEXT\n", sz
);
2402 idx
= priv
->pmt_cnt
;
2403 memset(&(priv
->pmt
[idx
]), 0, sizeof(pmt_t
));
2405 priv
->pmt
[idx
].progid
= progid
;
2408 pmt
= &(priv
->pmt
[idx
]);
2410 section
= &(pmt
->section
);
2411 skip
= collect_section(section
, is_start
, buff
, size
);
2415 base
= &(section
->buffer
[skip
]);
2417 mp_msg(MSGT_DEMUX
, MSGL_V
, "FILL_PMT(prog=%d), PMT_len: %d, IS_START: %d, TS_PID: %d, SIZE=%d, M=%d, ES_CNT=%d, IDX=%d, PMT_PTR=%p\n",
2418 progid
, pmt
->section
.buffer_len
, is_start
, pid
, size
, m
, pmt
->es_cnt
, idx
, pmt
);
2420 pmt
->table_id
= base
[0];
2421 if(pmt
->table_id
!= 2)
2423 pmt
->ssi
= base
[1] & 0x80;
2424 pmt
->section_length
= (((base
[1] & 0xf) << 8 ) | base
[2]);
2425 pmt
->version_number
= (base
[5] >> 1) & 0x1f;
2426 pmt
->curr_next
= (base
[5] & 1);
2427 pmt
->section_number
= base
[6];
2428 pmt
->last_section_number
= base
[7];
2429 pmt
->PCR_PID
= ((base
[8] & 0x1f) << 8 ) | base
[9];
2430 pmt
->prog_descr_length
= ((base
[10] & 0xf) << 8 ) | base
[11];
2431 if(pmt
->prog_descr_length
> pmt
->section_length
- 9)
2433 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_PMT, INVALID PROG_DESCR LENGTH (%d vs %d)\n", pmt
->prog_descr_length
, pmt
->section_length
- 9);
2437 if(pmt
->prog_descr_length
)
2438 parse_program_descriptors(pmt
, &base
[12], pmt
->prog_descr_length
);
2440 es_base
= &base
[12 + pmt
->prog_descr_length
]; //the beginning of th ES loop
2442 section_bytes
= pmt
->section_length
- 13 - pmt
->prog_descr_length
;
2445 while(section_bytes
>= 5)
2447 int es_pid
, es_type
;
2449 es_type
= es_base
[0];
2450 es_pid
= ((es_base
[1] & 0x1f) << 8) | es_base
[2];
2452 idx
= es_pid_in_pmt(pmt
, es_pid
);
2455 int sz
= sizeof(struct pmt_es_t
) * (pmt
->es_cnt
+ 1);
2456 tmp_es
= realloc_struct(pmt
->es
, pmt
->es_cnt
+ 1, sizeof(struct pmt_es_t
));
2459 mp_msg(MSGT_DEMUX
, MSGL_ERR
, "PARSE_PMT, COULDN'T ALLOCATE %d bytes for PMT_ES\n", sz
);
2464 memset(&(pmt
->es
[idx
]), 0, sizeof(struct pmt_es_t
));
2468 pmt
->es
[idx
].descr_length
= ((es_base
[3] & 0xf) << 8) | es_base
[4];
2471 if(pmt
->es
[idx
].descr_length
> section_bytes
- 5)
2473 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_PMT, ES_DESCR_LENGTH TOO LARGE %d > %d, EXIT\n",
2474 pmt
->es
[idx
].descr_length
, section_bytes
- 5);
2479 pmt
->es
[idx
].pid
= es_pid
;
2481 pmt
->es
[idx
].type
= UNKNOWN
;
2483 pmt
->es
[idx
].type
= es_type
;
2485 parse_descriptors(&pmt
->es
[idx
], &es_base
[5]);
2490 pmt
->es
[idx
].type
= VIDEO_MPEG1
;
2493 pmt
->es
[idx
].type
= VIDEO_MPEG2
;
2497 pmt
->es
[idx
].type
= AUDIO_MP2
;
2500 if(pmt
->es
[idx
].type
== 0x6) //this could have been ovrwritten by parse_descriptors
2501 pmt
->es
[idx
].type
= UNKNOWN
;
2504 pmt
->es
[idx
].type
= VIDEO_MPEG4
;
2508 pmt
->es
[idx
].type
= AUDIO_AAC
;
2511 pmt
->es
[idx
].type
= VIDEO_H264
;
2514 pmt
->es
[idx
].type
= SL_PES_STREAM
;
2517 pmt
->es
[idx
].type
= SL_SECTION
;
2520 pmt
->es
[idx
].type
= AUDIO_A52
;
2526 pmt
->es
[idx
].type
= AUDIO_DTS
;
2529 pmt
->es
[idx
].type
= VIDEO_VC1
;
2532 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "UNKNOWN ES TYPE=0x%x\n", es_type
);
2533 pmt
->es
[idx
].type
= UNKNOWN
;
2536 tss
= priv
->ts
.pids
[es_pid
]; //an ES stream
2539 tss
= new_pid(priv
, es_pid
);
2541 tss
->type
= pmt
->es
[idx
].type
;
2544 section_bytes
-= 5 + pmt
->es
[idx
].descr_length
;
2545 mp_msg(MSGT_DEMUX
, MSGL_V
, "PARSE_PMT(%d INDEX %d), STREAM: %d, FOUND pid=0x%x (%d), type=0x%x, ES_DESCR_LENGTH: %d, bytes left: %d\n",
2546 progid
, idx
, es_count
, pmt
->es
[idx
].pid
, pmt
->es
[idx
].pid
, pmt
->es
[idx
].type
, pmt
->es
[idx
].descr_length
, section_bytes
);
2549 es_base
+= 5 + pmt
->es
[idx
].descr_length
;
2554 mp_msg(MSGT_DEMUX
, MSGL_V
, "----------------------------\n");
2558 static pmt_t
* pmt_of_pid(ts_priv_t
*priv
, int pid
, mp4_decoder_config_t
**mp4_dec
)
2564 for(i
= 0; i
< priv
->pmt_cnt
; i
++)
2566 if(priv
->pmt
[i
].es
&& priv
->pmt
[i
].es_cnt
)
2568 for(j
= 0; j
< priv
->pmt
[i
].es_cnt
; j
++)
2570 if(priv
->pmt
[i
].es
[j
].pid
== pid
)
2573 if(priv
->pmt
[i
].es
[j
].mp4_es_id
)
2575 for(k
= 0; k
< priv
->pmt
[i
].mp4es_cnt
; k
++)
2577 if(priv
->pmt
[i
].mp4es
[k
].id
== priv
->pmt
[i
].es
[j
].mp4_es_id
)
2579 *mp4_dec
= &(priv
->pmt
[i
].mp4es
[k
].decoder
);
2585 return &(priv
->pmt
[i
]);
2596 static inline int32_t pid_type_from_pmt(ts_priv_t
*priv
, int pid
)
2598 int32_t pmt_idx
, pid_idx
, i
, j
;
2600 pmt_idx
= progid_idx_in_pmt(priv
, priv
->prog
);
2604 pid_idx
= es_pid_in_pmt(&(priv
->pmt
[pmt_idx
]), pid
);
2606 return priv
->pmt
[pmt_idx
].es
[pid_idx
].type
;
2610 for(i
= 0; i
< priv
->pmt_cnt
; i
++)
2612 pmt_t
*pmt
= &(priv
->pmt
[i
]);
2613 for(j
= 0; j
< pmt
->es_cnt
; j
++)
2614 if(pmt
->es
[j
].pid
== pid
)
2615 return pmt
->es
[j
].type
;
2623 static inline uint8_t *pid_lang_from_pmt(ts_priv_t
*priv
, int pid
)
2625 int32_t pmt_idx
, pid_idx
, i
, j
;
2627 pmt_idx
= progid_idx_in_pmt(priv
, priv
->prog
);
2631 pid_idx
= es_pid_in_pmt(&(priv
->pmt
[pmt_idx
]), pid
);
2633 return priv
->pmt
[pmt_idx
].es
[pid_idx
].lang
;
2637 for(i
= 0; i
< priv
->pmt_cnt
; i
++)
2639 pmt_t
*pmt
= &(priv
->pmt
[i
]);
2640 for(j
= 0; j
< pmt
->es_cnt
; j
++)
2641 if(pmt
->es
[j
].pid
== pid
)
2642 return pmt
->es
[j
].lang
;
2650 static int fill_packet(demuxer_t
*demuxer
, demux_stream_t
*ds
, demux_packet_t
**dp
, int *dp_offset
, TS_stream_info
*si
)
2654 if((*dp
!= NULL
) && (*dp_offset
> 0))
2657 resize_demux_packet(*dp
, ret
); //shrinked to the right size
2658 ds_add_packet(ds
, *dp
);
2659 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "ADDED %d bytes to %s fifo, PTS=%.3f\n", ret
, (ds
== demuxer
->audio
? "audio" : (ds
== demuxer
->video
? "video" : "sub")), (*dp
)->pts
);
2662 float diff
= (*dp
)->pts
- si
->last_pts
;
2665 if(abs(diff
) > 1) //1 second, there's a discontinuity
2667 si
->duration
+= si
->last_pts
- si
->first_pts
;
2668 si
->first_pts
= si
->last_pts
= (*dp
)->pts
;
2672 si
->last_pts
= (*dp
)->pts
;
2675 dur
= si
->duration
+ (si
->last_pts
- si
->first_pts
);
2677 if(dur
> 0 && ds
== demuxer
->video
)
2679 ts_priv_t
* priv
= (ts_priv_t
*) demuxer
->priv
;
2680 if(dur
> 1) //otherwise it may be unreliable
2681 priv
->vbitrate
= (uint32_t) ((float) si
->size
/ dur
);
2692 static int fill_extradata(mp4_decoder_config_t
* mp4_dec
, ES_stream_t
*tss
)
2696 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "MP4_dec: %p, pid: %d\n", mp4_dec
, tss
->pid
);
2698 if(mp4_dec
->buf_size
> tss
->extradata_alloc
)
2700 tmp
= realloc(tss
->extradata
, mp4_dec
->buf_size
);
2703 tss
->extradata
= tmp
;
2704 tss
->extradata_alloc
= mp4_dec
->buf_size
;
2706 memcpy(tss
->extradata
, mp4_dec
->buf
, mp4_dec
->buf_size
);
2707 tss
->extradata_len
= mp4_dec
->buf_size
;
2708 mp_msg(MSGT_DEMUX
, MSGL_V
, "EXTRADATA: %p, alloc=%d, len=%d\n", tss
->extradata
, tss
->extradata_alloc
, tss
->extradata_len
);
2710 return tss
->extradata_len
;
2713 // 0 = EOF or no stream found
2714 // else = [-] number of bytes written to the packet
2715 static int ts_parse(demuxer_t
*demuxer
, ES_stream_t
*es
, unsigned char *packet
, int probe
)
2719 int buf_size
, is_start
, pid
, base
;
2720 int len
, cc
, cc_ok
, afc
, retv
= 0, is_video
, is_audio
, is_sub
;
2721 ts_priv_t
* priv
= (ts_priv_t
*) demuxer
->priv
;
2722 stream_t
*stream
= demuxer
->stream
;
2724 demux_stream_t
*ds
= NULL
;
2725 demux_packet_t
**dp
= NULL
;
2726 int *dp_offset
= 0, *buffer_size
= 0;
2727 int32_t progid
, pid_type
, bad
, ts_error
;
2728 int junk
= 0, rap_flag
= 0;
2730 mp4_decoder_config_t
*mp4_dec
;
2737 ds
= (demux_stream_t
*) NULL
;
2738 dp
= (demux_packet_t
**) NULL
;
2739 dp_offset
= buffer_size
= NULL
;
2746 junk
= priv
->ts
.packet_size
- TS_PACKET_SIZE
;
2747 buf_size
= priv
->ts
.packet_size
- junk
;
2749 if(stream_eof(stream
))
2753 ts_dump_streams(priv
);
2754 demuxer
->filepos
= stream_tell(demuxer
->stream
);
2761 if(! ts_sync(stream
))
2763 mp_msg(MSGT_DEMUX
, MSGL_INFO
, "TS_PARSE: COULDN'T SYNC\n");
2767 len
= stream_read(stream
, &packet
[1], 3);
2772 if((packet
[1] >> 7) & 0x01) //transport error
2776 is_start
= packet
[1] & 0x40;
2777 pid
= ((packet
[1] & 0x1f) << 8) | packet
[2];
2779 tss
= priv
->ts
.pids
[pid
]; //an ES stream
2782 tss
= new_pid(priv
, pid
);
2787 cc
= (packet
[3] & 0xf);
2788 cc_ok
= (tss
->last_cc
< 0) || ((((tss
->last_cc
+ 1) & 0x0f) == cc
));
2791 bad
= ts_error
; // || (! cc_ok);
2794 if(priv
->keep_broken
== 0)
2796 stream_skip(stream
, buf_size
-1+junk
);
2800 is_start
= 0; //queued to the packet data
2806 if((!is_start
&& !tss
->is_synced
) || ((pid
> 1) && (pid
< 16)) || (pid
== 8191)) //invalid pid
2808 stream_skip(stream
, buf_size
-1+junk
);
2813 afc
= (packet
[3] >> 4) & 3;
2814 if(! (afc
% 2)) //no payload in this TS packet
2816 stream_skip(stream
, buf_size
-1+junk
);
2823 c
= stream_read_char(stream
);
2825 if(c
< 0 || c
> 183) //broken from the stream layer or invalid
2827 stream_skip(stream
, buf_size
-1+junk
);
2834 uint8_t pcrbuf
[188];
2835 int flags
= stream_read_char(stream
);
2837 rap_flag
= (flags
& 0x40) >> 6;
2838 has_pcr
= flags
& 0x10;
2842 stream_read(stream
, pcrbuf
, c
);
2846 int pcr_pid
= prog_pcr_pid(priv
, priv
->prog
);
2849 uint64_t pcr
, pcr_ext
;
2851 pcr
= (int64_t)(pcrbuf
[0]) << 25;
2852 pcr
|= pcrbuf
[1] << 17 ;
2853 pcr
|= (pcrbuf
[2]) << 9;
2854 pcr
|= pcrbuf
[3] << 1 ;
2855 pcr
|= (pcrbuf
[4] & 0x80) >> 7;
2857 pcr_ext
= (pcrbuf
[4] & 0x01) << 8;
2858 pcr_ext
|= pcrbuf
[5];
2860 pcr
= pcr
* 300 + pcr_ext
;
2862 demuxer
->reference_clock
= (double)pcr
/(double)27000000.0;
2872 //find the program that the pid belongs to; if (it's the right one or -1) && pid_type==SL_SECTION
2873 //call parse_sl_section()
2874 pmt
= pmt_of_pid(priv
, pid
, &mp4_dec
);
2877 fill_extradata(mp4_dec
, tss
);
2878 if(IS_VIDEO(mp4_dec
->object_type
) || IS_AUDIO(mp4_dec
->object_type
))
2880 tss
->type
= SL_PES_STREAM
;
2881 tss
->subtype
= mp4_dec
->object_type
;
2888 base
= priv
->ts
.packet_size
- buf_size
;
2890 priv
->last_pid
= pid
;
2892 is_video
= IS_VIDEO(tss
->type
) || (tss
->type
==SL_PES_STREAM
&& IS_VIDEO(tss
->subtype
));
2893 is_audio
= IS_AUDIO(tss
->type
) || (tss
->type
==SL_PES_STREAM
&& IS_AUDIO(tss
->subtype
)) || (tss
->type
== PES_PRIVATE1
);
2894 is_sub
= IS_SUB(tss
->type
);
2895 pid_type
= pid_type_from_pmt(priv
, pid
);
2897 // PES CONTENT STARTS HERE
2900 if((is_video
|| is_audio
) && is_start
&& !priv
->ts
.streams
[pid
].sh
)
2901 ts_add_stream(demuxer
, tss
);
2903 if((pid
== demuxer
->sub
->id
)) //or the lang is right
2908 if(is_video
&& (demuxer
->video
->id
== priv
->ts
.streams
[pid
].id
))
2910 ds
= demuxer
->video
;
2912 dp
= &priv
->fifo
[1].pack
;
2913 dp_offset
= &priv
->fifo
[1].offset
;
2914 buffer_size
= &priv
->fifo
[1].buffer_size
;
2917 else if(is_audio
&& (demuxer
->audio
->id
== priv
->ts
.streams
[pid
].id
))
2919 ds
= demuxer
->audio
;
2921 dp
= &priv
->fifo
[0].pack
;
2922 dp_offset
= &priv
->fifo
[0].offset
;
2923 buffer_size
= &priv
->fifo
[0].buffer_size
;
2927 || IS_SUB(pid_type
))
2929 //SUBS are infrequent, so the initial detection may fail
2930 // and we may need to add them at play-time
2931 if(demuxer
->sub
->id
== -1)
2934 p
= progid_for_pid(priv
, tss
->pid
, priv
->prog
);
2943 if ((lang
= pid_lang_from_pmt(priv
, pid
)))
2944 asgn
= (strncmp(lang
, dvdsub_lang
, 3) == 0);
2946 else //no language specified with -slang
2951 demuxer
->sub
->id
= tss
->pid
;
2952 mp_msg(MSGT_DEMUX
, MSGL_INFO
, "CHOSEN SUBs pid 0x%x (%d) FROM PROG %d\n", tss
->pid
, tss
->pid
, priv
->prog
);
2957 if(demuxer
->sub
->id
== tss
->pid
)
2961 dp
= &priv
->fifo
[2].pack
;
2962 dp_offset
= &priv
->fifo
[2].offset
;
2963 buffer_size
= &priv
->fifo
[2].buffer_size
;
2967 stream_skip(stream
, buf_size
+junk
);
2972 //IS IT TIME TO QUEUE DATA to the dp_packet?
2973 if(is_start
&& (dp
!= NULL
))
2975 retv
= fill_packet(demuxer
, ds
, dp
, dp_offset
, si
);
2979 if(dp
&& *dp
== NULL
)
2981 if(*buffer_size
> MAX_PACK_BYTES
)
2982 *buffer_size
= MAX_PACK_BYTES
;
2983 *dp
= new_demux_packet(*buffer_size
); //es->size
2987 fprintf(stderr
, "fill_buffer, NEW_ADD_PACKET(%d)FAILED\n", *buffer_size
);
2990 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "CREATED DP(%d)\n", *buffer_size
);
2995 if(probe
|| !dp
) //dp is NULL for tables and sections
3001 if(*dp_offset
+ buf_size
> *buffer_size
)
3003 *buffer_size
= *dp_offset
+ buf_size
+ TS_FEC_PACKET_SIZE
;
3004 resize_demux_packet(*dp
, *buffer_size
);
3006 p
= &((*dp
)->buffer
[*dp_offset
]);
3009 len
= stream_read(stream
, p
, buf_size
);
3012 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "\r\nts_parse() couldn't read enough data: %d < %d\r\n", len
, buf_size
);
3015 stream_skip(stream
, junk
);
3019 parse_pat(priv
, is_start
, p
, buf_size
);
3022 else if((tss
->type
== SL_SECTION
) && pmt
)
3024 int k
, mp4_es_id
= -1;
3025 ts_section_t
*section
;
3026 for(k
= 0; k
< pmt
->mp4es_cnt
; k
++)
3028 if(pmt
->mp4es
[k
].decoder
.object_type
== MP4_OD
&& pmt
->mp4es
[k
].decoder
.stream_type
== MP4_OD
)
3029 mp4_es_id
= pmt
->mp4es
[k
].id
;
3031 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "MP4ESID: %d\n", mp4_es_id
);
3032 for(k
= 0; k
< pmt
->es_cnt
; k
++)
3034 if(pmt
->es
[k
].mp4_es_id
== mp4_es_id
)
3036 section
= &(tss
->section
);
3037 parse_sl_section(pmt
, section
, is_start
, &packet
[base
], buf_size
);
3044 progid
= prog_id_in_pat(priv
, pid
);
3047 if(pid
!= demuxer
->video
->id
&& pid
!= demuxer
->audio
->id
&& pid
!= demuxer
->sub
->id
)
3049 parse_pmt(priv
, progid
, pid
, is_start
, &packet
[base
], buf_size
);
3053 mp_msg(MSGT_DEMUX
, MSGL_ERR
, "Argh! Data pid %d used in the PMT, Skipping PMT parsing!\n", pid
);
3062 uint8_t *lang
= NULL
;
3064 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "IS_START\n");
3066 len
= pes_parse2(p
, buf_size
, es
, pid_type
, pmt
, pid
);
3073 tss
->is_synced
|= es
->is_synced
|| rap_flag
;
3074 tss
->payload_size
= es
->payload_size
;
3076 if((is_sub
|| is_audio
) && (lang
= pid_lang_from_pmt(priv
, es
->pid
)))
3078 memcpy(es
->lang
, lang
, 3);
3086 if(es
->type
== UNKNOWN
)
3089 tss
->type
= es
->type
;
3090 tss
->subtype
= es
->subtype
;
3097 es
->pts
= tss
->pts
= tss
->last_pts
;
3099 tss
->pts
= tss
->last_pts
= es
->pts
;
3101 mp_msg(MSGT_DEMUX
, MSGL_DBG2
, "ts_parse, NEW pid=%d, PSIZE: %u, type=%X, start=%p, len=%d\n",
3102 es
->pid
, es
->payload_size
, es
->type
, es
->start
, es
->size
);
3104 demuxer
->filepos
= stream_tell(demuxer
->stream
) - es
->size
;
3106 memmove(p
, es
->start
, es
->size
);
3107 *dp_offset
+= es
->size
;
3109 (*dp
)->pos
= stream_tell(demuxer
->stream
);
3110 (*dp
)->pts
= es
->pts
;
3123 es
->type
= tss
->type
;
3124 es
->subtype
= tss
->subtype
;
3125 es
->pts
= tss
->pts
= tss
->last_pts
;
3126 es
->start
= &packet
[base
];
3129 if(tss
->payload_size
> 0)
3131 sz
= FFMIN(tss
->payload_size
, buf_size
);
3132 tss
->payload_size
-= sz
;
3139 sz
= es
->size
= buf_size
;
3152 if(*dp_offset
>= MAX_PACK_BYTES
)
3154 (*dp
)->pts
= tss
->last_pts
;
3155 retv
= fill_packet(demuxer
, ds
, dp
, dp_offset
, si
);
3163 memcpy(es
->start
, p
, sz
);
3177 void skip_audio_frame(sh_audio_t
*sh_audio
);
3179 static void reset_fifos(demuxer_t
*demuxer
, int a
, int v
, int s
)
3181 ts_priv_t
* priv
= demuxer
->priv
;
3184 if(priv
->fifo
[0].pack
!= NULL
)
3186 free_demux_packet(priv
->fifo
[0].pack
);
3187 priv
->fifo
[0].pack
= NULL
;
3189 priv
->fifo
[0].offset
= 0;
3194 if(priv
->fifo
[1].pack
!= NULL
)
3196 free_demux_packet(priv
->fifo
[1].pack
);
3197 priv
->fifo
[1].pack
= NULL
;
3199 priv
->fifo
[1].offset
= 0;
3204 if(priv
->fifo
[2].pack
!= NULL
)
3206 free_demux_packet(priv
->fifo
[2].pack
);
3207 priv
->fifo
[2].pack
= NULL
;
3209 priv
->fifo
[2].offset
= 0;
3211 demuxer
->reference_clock
= MP_NOPTS_VALUE
;
3215 static void demux_seek_ts(demuxer_t
*demuxer
, float rel_seek_secs
, float audio_delay
, int flags
)
3217 demux_stream_t
*d_audio
=demuxer
->audio
;
3218 demux_stream_t
*d_video
=demuxer
->video
;
3219 sh_audio_t
*sh_audio
=d_audio
->sh
;
3220 sh_video_t
*sh_video
=d_video
->sh
;
3221 ts_priv_t
* priv
= (ts_priv_t
*) demuxer
->priv
;
3225 //================= seek in MPEG-TS ==========================
3227 ts_dump_streams(demuxer
->priv
);
3228 reset_fifos(demuxer
, sh_audio
!= NULL
, sh_video
!= NULL
, demuxer
->sub
->id
> 0);
3230 demux_flush(demuxer
);
3234 video_stats
= (sh_video
!= NULL
);
3237 mp_msg(MSGT_DEMUX
, MSGL_V
, "IBPS: %d, vb: %d\r\n", sh_video
->i_bps
, priv
->vbitrate
);
3239 video_stats
= priv
->vbitrate
;
3241 video_stats
= sh_video
->i_bps
;
3244 newpos
= (flags
& SEEK_ABSOLUTE
) ? demuxer
->movi_start
: demuxer
->filepos
;
3245 if(flags
& SEEK_FACTOR
) // float seek 0..1
3246 newpos
+=(demuxer
->movi_end
-demuxer
->movi_start
)*rel_seek_secs
;
3250 if(! video_stats
) // unspecified or VBR
3251 newpos
+= 2324*75*rel_seek_secs
; // 174.3 kbyte/sec
3253 newpos
+= video_stats
*rel_seek_secs
;
3257 if(newpos
< demuxer
->movi_start
)
3258 newpos
= demuxer
->movi_start
; //begininng of stream
3260 stream_seek(demuxer
->stream
, newpos
);
3261 for(i
= 0; i
< 8192; i
++)
3262 if(priv
->ts
.pids
[i
] != NULL
)
3263 priv
->ts
.pids
[i
]->is_synced
= 0;
3265 videobuf_code_len
= 0;
3267 if(sh_video
!= NULL
)
3268 ds_fill_buffer(d_video
);
3270 if(sh_audio
!= NULL
)
3272 ds_fill_buffer(d_audio
);
3275 while(sh_video
!= NULL
)
3277 if(sh_audio
&& !d_audio
->eof
&& d_video
->pts
&& d_audio
->pts
)
3279 double a_pts
=d_audio
->pts
;
3280 a_pts
+=(ds_tell_pts(d_audio
)-sh_audio
->a_in_buffer_len
)/(double)sh_audio
->i_bps
;
3281 if(d_video
->pts
> a_pts
)
3283 skip_audio_frame(sh_audio
); // sync audio
3289 i
= sync_video_packet(d_video
);
3290 if((sh_video
->format
== VIDEO_MPEG1
) || (sh_video
->format
== VIDEO_MPEG2
))
3292 if(i
==0x1B3 || i
==0x1B8) break; // found it!
3294 else if((sh_video
->format
== VIDEO_MPEG4
) && (i
==0x1B6))
3296 else if(sh_video
->format
== VIDEO_VC1
&& (i
==0x10E || i
==0x10F))
3300 if((i
& ~0x60) == 0x105 || (i
& ~0x60) == 0x107) break;
3303 if(!i
|| !skip_video_packet(d_video
)) break; // EOF?
3308 static int demux_ts_fill_buffer(demuxer_t
* demuxer
, demux_stream_t
*ds
)
3311 ts_priv_t
*priv
= (ts_priv_t
*)demuxer
->priv
;
3313 return -ts_parse(demuxer
, &es
, priv
->packet
, 0);
3317 static int ts_check_file_dmx(demuxer_t
*demuxer
)
3319 return ts_check_file(demuxer
) ? DEMUXER_TYPE_MPEG_TS
: 0;
3322 static int is_usable_program(ts_priv_t
*priv
, pmt_t
*pmt
)
3326 for(j
= 0; j
< pmt
->es_cnt
; j
++)
3328 if(priv
->ts
.pids
[pmt
->es
[j
].pid
] == NULL
|| priv
->ts
.streams
[pmt
->es
[j
].pid
].sh
== NULL
)
3331 priv
->ts
.streams
[pmt
->es
[j
].pid
].type
== TYPE_VIDEO
||
3332 priv
->ts
.streams
[pmt
->es
[j
].pid
].type
== TYPE_AUDIO
3340 static int demux_ts_control(demuxer_t
*demuxer
, int cmd
, void *arg
)
3342 ts_priv_t
* priv
= (ts_priv_t
*)demuxer
->priv
;
3346 case DEMUXER_CTRL_SWITCH_AUDIO
:
3347 case DEMUXER_CTRL_SWITCH_VIDEO
:
3351 int reftype
, areset
= 0, vreset
= 0;
3354 if(cmd
== DEMUXER_CTRL_SWITCH_VIDEO
)
3356 reftype
= TYPE_VIDEO
;
3357 ds
= demuxer
->video
;
3362 reftype
= TYPE_AUDIO
;
3363 ds
= demuxer
->audio
;
3369 reset_fifos(demuxer
, areset
, vreset
, 0);
3373 *((int*)arg
) = ds
->id
;
3374 return DEMUXER_CTRL_OK
;
3379 for(i
= 0; i
< 8192; i
++)
3381 if(priv
->ts
.streams
[i
].id
== ds
->id
&& priv
->ts
.streams
[i
].type
== reftype
)
3388 if(priv
->ts
.streams
[i
].type
== reftype
)
3390 if(priv
->ts
.streams
[i
].id
== ds
->id
) //we made a complete loop
3392 sh
= priv
->ts
.streams
[i
].sh
;
3396 else //audio track <n>
3398 if (n
>= 8192 || priv
->ts
.streams
[n
].type
!= reftype
) return DEMUXER_CTRL_NOTIMPL
;
3400 sh
= priv
->ts
.streams
[i
].sh
;
3405 if(ds
->id
!= priv
->ts
.streams
[i
].id
)
3406 reset_fifos(demuxer
, areset
, vreset
, 0);
3407 ds
->id
= priv
->ts
.streams
[i
].id
;
3410 mp_msg(MSGT_DEMUX
, MSGL_V
, "\r\ndemux_ts, switched to audio pid %d, id: %d, sh: %p\r\n", i
, ds
->id
, sh
);
3413 *((int*)arg
) = ds
->id
;
3414 return DEMUXER_CTRL_OK
;
3417 case DEMUXER_CTRL_IDENTIFY_PROGRAM
: //returns in prog->{aid,vid} the new ids that comprise a program
3420 int vid_done
=0, aid_done
=0;
3422 demux_program_t
*prog
= arg
;
3424 if(priv
->pmt_cnt
< 2)
3425 return DEMUXER_CTRL_NOTIMPL
;
3427 if(prog
->progid
== -1)
3429 int cur_pmt_idx
= 0;
3431 for(i
= 0; i
< priv
->pmt_cnt
; i
++)
3432 if(priv
->pmt
[i
].progid
== priv
->prog
)
3438 i
= (cur_pmt_idx
+ 1) % priv
->pmt_cnt
;
3439 while(i
!= cur_pmt_idx
)
3441 pmt
= &priv
->pmt
[i
];
3442 cnt
= is_usable_program(priv
, pmt
);
3445 i
= (i
+ 1) % priv
->pmt_cnt
;
3450 for(i
= 0; i
< priv
->pmt_cnt
; i
++)
3451 if(priv
->pmt
[i
].progid
== prog
->progid
)
3453 pmt
= &priv
->pmt
[i
]; //required program
3454 cnt
= is_usable_program(priv
, pmt
);
3459 return DEMUXER_CTRL_NOTIMPL
;
3462 prog
->aid
= prog
->vid
= -2; //no audio and no video by default
3463 for(j
= 0; j
< pmt
->es_cnt
; j
++)
3465 if(priv
->ts
.pids
[pmt
->es
[j
].pid
] == NULL
|| priv
->ts
.streams
[pmt
->es
[j
].pid
].sh
== NULL
)
3468 if(!vid_done
&& priv
->ts
.streams
[pmt
->es
[j
].pid
].type
== TYPE_VIDEO
)
3471 prog
->vid
= pmt
->es
[j
].pid
;
3473 else if(!aid_done
&& priv
->ts
.streams
[pmt
->es
[j
].pid
].type
== TYPE_AUDIO
)
3476 prog
->aid
= pmt
->es
[j
].pid
;
3480 priv
->prog
= prog
->progid
= pmt
->progid
;
3481 return DEMUXER_CTRL_OK
;
3485 return DEMUXER_CTRL_NOTIMPL
;
3490 const demuxer_desc_t demuxer_desc_mpeg_ts
= {
3496 DEMUXER_TYPE_MPEG_TS
,
3497 0, // unsafe autodetect
3499 demux_ts_fill_buffer
,