2 * Real parser & demuxer
3 * copyright (C) 2001 Alex Beregszaszi
4 * copyright (C) 2005, 2006 Roberto Togni
5 * based on FFmpeg's libav/rm.c
7 * audio codecs: (supported by RealPlayer8 for Linux)
8 * DNET - RealAudio 3.0, really it's AC3 in swapped-byteorder
9 * SIPR - SiproLab's audio codec, ACELP decoder working with MPlayer,
10 * needs fine-tuning too :)
11 * ATRC - RealAudio 8 (ATRAC3) - www.minidisc.org/atrac3_article.pdf,
12 * ACM decoder uploaded, needs some fine-tuning to work
14 * COOK/COKR - Real Cooker -> RealAudio G2
16 * video codecs: (supported by RealPlayer8 for Linux)
17 * RV10 - H.263 based, working with libavcodec's decoder
18 * RV20-RV40 - using RealPlayer's codec plugins
20 * This file is part of MPlayer.
22 * MPlayer is free software; you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation; either version 2 of the License, or
25 * (at your option) any later version.
27 * MPlayer is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
32 * You should have received a copy of the GNU General Public License along
33 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
34 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
42 #include <libavutil/intreadwrite.h>
43 #include <libavutil/common.h>
48 #include "stream/stream.h"
52 #include "demux_real.h"
54 //#define mp_dbg(mod,lev, args... ) mp_msg_c((mod<<8)|lev, ## args )
56 #define MAX_STREAMS 32
58 static unsigned char sipr_swaps
[38][2]={
59 {0,63},{1,22},{2,44},{3,90},{5,81},{7,31},{8,86},{9,58},{10,36},{12,68},
60 {13,39},{14,73},{15,53},{16,69},{17,57},{19,88},{20,34},{21,71},{24,46},
61 {25,94},{26,54},{28,75},{29,50},{32,70},{33,92},{35,74},{38,85},{40,56},
62 {42,87},{43,65},{45,59},{48,79},{49,93},{51,89},{55,95},{61,76},{67,83},
66 unsigned int timestamp
;
69 // int len; /* only filled by our index generator */
70 // int flags; /* only filled by our index generator */
75 int index_chunk_offset
;
76 real_index_table_t
*index_table
[MAX_STREAMS
];
78 // int *index_table[MAX_STREAMS];
79 int index_table_size
[MAX_STREAMS
];
80 int index_malloc_size
[MAX_STREAMS
];
81 int data_chunk_offset
;
86 int audio_need_keyframe
;
92 // timestamp correction:
93 int64_t kf_base
;// timestamp of the prev. video keyframe
94 unsigned int kf_pts
; // timestamp of next video keyframe
95 unsigned int a_pts
; // previous audio timestamp
96 double v_pts
; // previous video timestamp
97 unsigned long duration
;
100 // int last_a_stream;
101 // int a_streams[MAX_STREAMS];
102 // int last_v_stream;
103 // int v_streams[MAX_STREAMS];
106 * Used to demux multirate files
108 int is_multirate
; ///< != 0 for multirate files
109 int str_data_offset
[MAX_STREAMS
]; ///< Data chunk offset for every audio/video stream
110 int audio_curpos
; ///< Current file position for audio demuxing
111 int video_curpos
; ///< Current file position for video demuxing
112 int a_num_of_packets
; ///< Number of audio packets
113 int v_num_of_packets
; ///< Number of video packets
114 int a_bitrate
; ///< Audio bitrate
115 int v_bitrate
; ///< Video bitrate
116 int stream_switch
; ///< Flag used to switch audio/video demuxing
119 * Used to reorder audio data
121 unsigned int intl_id
[MAX_STREAMS
]; ///< interleaver id, per stream
122 int sub_packet_size
[MAX_STREAMS
]; ///< sub packet size, per stream
123 int sub_packet_h
[MAX_STREAMS
]; ///< number of coded frames per block
124 int coded_framesize
[MAX_STREAMS
]; ///< coded frame size, per stream
125 int audiopk_size
[MAX_STREAMS
]; ///< audio packet size
126 unsigned char *audio_buf
; ///< place to store reordered audio data
127 double *audio_timestamp
; ///< timestamp for each audio packet
128 int sub_packet_cnt
; ///< number of subpacket already received
129 int audio_filepos
; ///< file position of first audio packet in block
132 //! use at most 200 MB of memory for index, corresponds to around 25 million entries
133 #define MAX_INDEX_ENTRIES (200*1024*1024 / sizeof(real_index_table_t))
135 /* originally from FFmpeg */
136 static void get_str(int isbyte
, demuxer_t
*demuxer
, char *buf
, int buf_size
)
141 len
= stream_read_char(demuxer
->stream
);
143 len
= stream_read_word(demuxer
->stream
);
145 stream_read(demuxer
->stream
, buf
, (len
> buf_size
) ? buf_size
: len
);
147 stream_skip(demuxer
->stream
, len
-buf_size
);
149 mp_msg(MSGT_DEMUX
, MSGL_V
, "read_str: %d bytes read\n", len
);
152 static void dump_index(demuxer_t
*demuxer
, int stream_id
)
154 real_priv_t
*priv
= demuxer
->priv
;
155 real_index_table_t
*index
;
158 if (!mp_msg_test(MSGT_DEMUX
,MSGL_V
))
161 if ((unsigned)stream_id
>= MAX_STREAMS
)
164 index
= priv
->index_table
[stream_id
];
165 entries
= priv
->index_table_size
[stream_id
];
167 mp_msg(MSGT_DEMUX
, MSGL_V
, "Index table for stream %d\n", stream_id
);
168 for (i
= 0; i
< entries
; i
++)
171 mp_msg(MSGT_DEMUX
, MSGL_V
,"i: %d, pos: %d, timestamp: %u\n", i
, index
[i
].offset
, index
[i
].timestamp
);
173 mp_msg(MSGT_DEMUX
, MSGL_V
,"packetno: %x pos: %x len: %x timestamp: %x flags: %x\n",
174 index
[i
].packetno
, index
[i
].offset
, index
[i
].len
, index
[i
].timestamp
,
180 static int parse_index_chunk(demuxer_t
*demuxer
)
182 real_priv_t
*priv
= demuxer
->priv
;
183 int origpos
= stream_tell(demuxer
->stream
);
184 int next_header_pos
= priv
->index_chunk_offset
;
185 int i
, entries
, stream_id
;
188 stream_seek(demuxer
->stream
, next_header_pos
);
190 i
= stream_read_dword_le(demuxer
->stream
);
191 if ((i
== -256) || (i
!= MKTAG('I', 'N', 'D', 'X')))
193 mp_msg(MSGT_DEMUX
, MSGL_WARN
,"Something went wrong, no index chunk found on given address (%d)\n",
197 stream_reset(demuxer
->stream
);
198 stream_seek(demuxer
->stream
, origpos
);
203 mp_msg(MSGT_DEMUX
, MSGL_V
,"Reading index table from index chunk (%d)\n",
206 i
= stream_read_dword(demuxer
->stream
);
207 mp_msg(MSGT_DEMUX
, MSGL_V
,"size: %d bytes\n", i
);
209 i
= stream_read_word(demuxer
->stream
);
211 mp_msg(MSGT_DEMUX
, MSGL_WARN
,"Hmm, index table with unknown version (%d), please report it to MPlayer developers!\n", i
);
213 entries
= stream_read_dword(demuxer
->stream
);
214 mp_msg(MSGT_DEMUX
, MSGL_V
,"entries: %d\n", entries
);
216 stream_id
= stream_read_word(demuxer
->stream
);
217 mp_msg(MSGT_DEMUX
, MSGL_V
,"stream_id: %d\n", stream_id
);
219 next_header_pos
= stream_read_dword(demuxer
->stream
);
220 mp_msg(MSGT_DEMUX
, MSGL_V
,"next_header_pos: %d\n", next_header_pos
);
221 if (entries
<= 0 || entries
> MAX_INDEX_ENTRIES
)
229 priv
->index_table_size
[stream_id
] = entries
;
230 priv
->index_table
[stream_id
] = calloc(priv
->index_table_size
[stream_id
], sizeof(real_index_table_t
));
232 for (i
= 0; i
< entries
; i
++)
234 stream_skip(demuxer
->stream
, 2); /* version */
235 priv
->index_table
[stream_id
][i
].timestamp
= stream_read_dword(demuxer
->stream
);
236 priv
->index_table
[stream_id
][i
].offset
= stream_read_dword(demuxer
->stream
);
237 stream_skip(demuxer
->stream
, 4); /* packetno */
238 // priv->index_table[stream_id][i].packetno = stream_read_dword(demuxer->stream);
239 // printf("Index table: Stream#%d: entry: %d: pos: %d\n",
240 // stream_id, i, priv->index_table[stream_id][i].offset);
243 dump_index(demuxer
, stream_id
);
245 if (next_header_pos
> 0)
250 stream_reset(demuxer
->stream
);
251 stream_seek(demuxer
->stream
, origpos
);
260 static void add_index_item(demuxer_t
*demuxer
, int stream_id
, unsigned int timestamp
, int offset
)
262 if ((unsigned)stream_id
< MAX_STREAMS
)
264 real_priv_t
*priv
= demuxer
->priv
;
265 real_index_table_t
*index
;
266 if (priv
->index_table_size
[stream_id
] >= MAX_INDEX_ENTRIES
) {
267 mp_msg(MSGT_DEMUXER
, MSGL_WARN
, "Index too large during building\n");
270 if (priv
->index_table_size
[stream_id
] >= priv
->index_malloc_size
[stream_id
])
272 if (priv
->index_malloc_size
[stream_id
] == 0)
273 priv
->index_malloc_size
[stream_id
] = 2048;
275 priv
->index_malloc_size
[stream_id
] += priv
->index_malloc_size
[stream_id
] / 2;
276 // in case we have a really large chunk...
277 if (priv
->index_table_size
[stream_id
] >=
278 priv
->index_malloc_size
[stream_id
])
279 priv
->index_malloc_size
[stream_id
] =
280 priv
->index_table_size
[stream_id
] + 1;
281 priv
->index_table
[stream_id
] = realloc(priv
->index_table
[stream_id
], priv
->index_malloc_size
[stream_id
]*sizeof(priv
->index_table
[0][0]));
283 if (priv
->index_table_size
[stream_id
] > 0)
285 index
= &priv
->index_table
[stream_id
][priv
->index_table_size
[stream_id
] - 1];
286 if (index
->timestamp
>= timestamp
|| index
->offset
>= offset
)
289 index
= &priv
->index_table
[stream_id
][priv
->index_table_size
[stream_id
]++];
290 index
->timestamp
= timestamp
;
291 index
->offset
= offset
;
295 static void add_index_segment(demuxer_t
*demuxer
, int seek_stream_id
, int64_t seek_timestamp
)
297 int tag
, len
, stream_id
, flags
;
298 unsigned int timestamp
;
299 if (seek_timestamp
!= -1 && (unsigned)seek_stream_id
>= MAX_STREAMS
)
303 demuxer
->filepos
= stream_tell(demuxer
->stream
);
305 tag
= stream_read_dword(demuxer
->stream
);
306 if (tag
== MKTAG('A', 'T', 'A', 'D'))
308 stream_skip(demuxer
->stream
, 14);
309 continue; /* skip to next loop */
312 if (tag
== -256 || len
< 12)
315 stream_id
= stream_read_word(demuxer
->stream
);
316 timestamp
= stream_read_dword(demuxer
->stream
);
318 stream_skip(demuxer
->stream
, 1); /* reserved */
319 flags
= stream_read_char(demuxer
->stream
);
326 add_index_item(demuxer
, stream_id
, timestamp
, demuxer
->filepos
);
327 if (stream_id
== seek_stream_id
&& timestamp
>= seek_timestamp
)
329 stream_seek(demuxer
->stream
, demuxer
->filepos
);
333 // printf("Index: stream=%d packet=%d timestamp=%u len=%d flags=0x%x datapos=0x%x\n", stream_id, entries, timestamp, len, flags, index->offset);
335 stream_skip(demuxer
->stream
, len
-12);
339 static int generate_index(demuxer_t
*demuxer
)
341 real_priv_t
*priv
= demuxer
->priv
;
342 int origpos
= stream_tell(demuxer
->stream
);
343 int data_pos
= priv
->data_chunk_offset
-10;
347 stream_seek(demuxer
->stream
, data_pos
);
348 tag
= stream_read_dword(demuxer
->stream
);
349 if (tag
!= MKTAG('A', 'T', 'A', 'D'))
351 mp_msg(MSGT_DEMUX
, MSGL_WARN
,"Something went wrong, no data chunk found on given address (%d)\n", data_pos
);
355 stream_skip(demuxer
->stream
, 14);
356 add_index_segment(demuxer
, -1, -1);
358 for (i
= 0; i
< MAX_STREAMS
; i
++)
360 if (priv
->index_table_size
[i
] > 0)
362 dump_index(demuxer
, i
);
365 stream_reset(demuxer
->stream
);
366 stream_seek(demuxer
->stream
, origpos
);
372 static int generate_index(demuxer_t
*demuxer
)
374 real_priv_t
*priv
= demuxer
->priv
;
375 int origpos
= stream_tell(demuxer
->stream
);
376 int data_pos
= priv
->data_chunk_offset
-10;
377 int num_of_packets
= 0;
379 int len
, stream_id
= 0, flags
;
380 unsigned int timestamp
;
384 stream_seek(demuxer
->stream
, data_pos
);
386 i
= stream_read_dword_le(demuxer
->stream
);
387 if ((i
== -256) || (i
!= MKTAG('D', 'A', 'T', 'A')))
389 mp_msg(MSGT_DEMUX
, MSGL_WARN
,"Something went wrong, no data chunk found on given address (%d)\n",
393 stream_skip(demuxer
->stream
, 4); /* chunk size */
394 stream_skip(demuxer
->stream
, 2); /* version */
396 num_of_packets
= stream_read_dword(demuxer
->stream
);
397 mp_msg(MSGT_DEMUX
, MSGL_V
,"Generating index table from raw data (pos: 0x%x) for %d packets\n",
398 data_pos
, num_of_packets
);
400 data_pos
= stream_read_dword_le(demuxer
->stream
)-10; /* next data chunk */
402 for (i
= 0; i
< MAX_STREAMS
; i
++)
404 priv
->index_table_size
[i
] = num_of_packets
;
405 priv
->index_table
[i
] = calloc(priv
->index_table_size
[i
], sizeof(real_index_table_t
));
406 // priv->index_table[stream_id] = realloc(priv->index_table[stream_id],
407 // priv->index_table_size[stream_id] * sizeof(real_index_table_t));
412 // memset(priv->index_table_size, 0, sizeof(int)*MAX_STREAMS);
413 // memset(priv->index_table, 0, sizeof(real_index_table_t)*MAX_STREAMS);
415 while (tab_pos
< num_of_packets
)
417 i
= stream_read_char(demuxer
->stream
);
420 stream_skip(demuxer
->stream
, 1);
421 // stream_skip(demuxer->stream, 2); /* version */
423 len
= stream_read_word(demuxer
->stream
);
424 stream_id
= stream_read_word(demuxer
->stream
);
425 timestamp
= stream_read_dword(demuxer
->stream
);
427 stream_skip(demuxer
->stream
, 1); /* reserved */
428 flags
= stream_read_char(demuxer
->stream
);
432 // priv->index_table_size[stream_id] = i;
433 // if (priv->index_table[stream_id] == NULL)
434 // priv->index_table[stream_id] = malloc(priv->index_table_size[stream_id] * sizeof(real_index_table_t));
436 // priv->index_table[stream_id] = realloc(priv->index_table[stream_id],
437 // priv->index_table_size[stream_id] * sizeof(real_index_table_t));
439 priv
->index_table
[stream_id
][i
].timestamp
= timestamp
;
440 priv
->index_table
[stream_id
][i
].offset
= stream_tell(demuxer
->stream
)-12;
441 priv
->index_table
[stream_id
][i
].len
= len
;
442 priv
->index_table
[stream_id
][i
].packetno
= entries
;
443 priv
->index_table
[stream_id
][i
].flags
= flags
;
448 stream_skip(demuxer
->stream
, len
-12);
450 dump_index(demuxer
, stream_id
);
456 stream_reset(demuxer
->stream
);
457 stream_seek(demuxer
->stream
, origpos
);
466 static int real_check_file(demuxer_t
* demuxer
)
471 mp_msg(MSGT_DEMUX
,MSGL_V
,"Checking for REAL\n");
473 c
= stream_read_dword_le(demuxer
->stream
);
476 if (c
!= MKTAG('.', 'R', 'M', 'F'))
477 return 0; /* bad magic */
479 priv
= calloc(1, sizeof(real_priv_t
));
480 demuxer
->priv
= priv
;
482 return DEMUXER_TYPE_REAL
;
485 #define SKIP_BITS(n) buffer<<=n
486 #define SHOW_BITS(n) ((buffer)>>(32-(n)))
488 double real_fix_timestamp(unsigned char *buf
, unsigned int timestamp
, unsigned int format
, int64_t *kf_base
, int *kf_pts
, double *pts
){
490 unsigned char *s
= buf
+ 1 + (*buf
+1)*8;
491 uint32_t buffer
= (s
[0]<<24) + (s
[1]<<16) + (s
[2]<<8) + s
[3];
492 unsigned int kf
=timestamp
;
494 unsigned int orig_kf
;
496 if(format
==mmioFOURCC('R','V','3','0') || format
==mmioFOURCC('R','V','4','0')){
497 if(format
==mmioFOURCC('R','V','3','0')){
499 pict_type
= SHOW_BITS(2);
503 pict_type
= SHOW_BITS(2);
504 SKIP_BITS(2 + 7 + 3);
507 kf
= SHOW_BITS(13); // kf= 2*SHOW_BITS(12);
510 // I frame, sync timestamps:
511 *kf_base
=(int64_t)timestamp
-kf
;
512 mp_msg(MSGT_DEMUX
, MSGL_DBG2
,"\nTS: base=%08"PRIX64
"\n",*kf_base
);
515 // P/B frame, merge timestamps:
516 int64_t tmp
=(int64_t)timestamp
-*kf_base
;
517 kf
|=tmp
&(~0x1fff); // combine with packet timestamp
518 if(kf
<tmp
-4096) kf
+=8192; else // workaround wrap-around problems
519 if(kf
>tmp
+4096) kf
-=8192;
522 if(pict_type
!= 3){ // P || I frame -> swap timestamps
528 mp_msg(MSGT_DEMUX
, MSGL_DBG2
,"\nTS: %08X -> %08X (%04X) %d %02X %02X %02X %02X %5u\n",timestamp
,kf
,orig_kf
,pict_type
,s
[0],s
[1],s
[2],s
[3],pts
?kf
-(unsigned int)(*pts
*1000.0):0);
531 // if(pts && (v_pts<*pts || !kf)) v_pts=*pts+frametime;
536 typedef struct dp_hdr_s
{
537 uint32_t chunks
; // number of chunks
538 uint32_t timestamp
; // timestamp from packet header
539 uint32_t len
; // length of actual data
540 uint32_t chunktab
; // offset to chunk offset array
543 static void queue_video_packet(real_priv_t
*priv
, demux_stream_t
*ds
, demux_packet_t
*dp
)
545 dp_hdr_t hdr
= *(dp_hdr_t
*)dp
->buffer
;
546 unsigned char *tmp
= malloc(8*(1+hdr
.chunks
));
547 memcpy(tmp
, dp
->buffer
+hdr
.chunktab
, 8*(1+hdr
.chunks
));
548 memmove(dp
->buffer
+1+8*(1+hdr
.chunks
), dp
->buffer
+sizeof(dp_hdr_t
), hdr
.len
);
549 memcpy(dp
->buffer
+1, tmp
, 8*(1+hdr
.chunks
));
550 *dp
->buffer
= (uint8_t)hdr
.chunks
;
553 if(priv
->video_after_seek
){
555 priv
->kf_pts
= hdr
.timestamp
;
556 priv
->video_after_seek
= 0;
558 if(hdr
.len
>= 3) /* this check may be useless */
559 dp
->pts
= real_fix_timestamp(dp
->buffer
, hdr
.timestamp
,
560 ((sh_video_t
*)ds
->sh
)->format
,
561 &priv
->kf_base
, &priv
->kf_pts
,
563 ds_add_packet(ds
, dp
);
567 // 0 = EOF or no stream found
568 // 1 = successfully read a packet
569 static int demux_real_fill_buffer(demuxer_t
*demuxer
, demux_stream_t
*dsds
)
571 real_priv_t
*priv
= demuxer
->priv
;
572 demux_stream_t
*ds
= NULL
;
574 unsigned int timestamp
;
581 int reserved av_unused
;
583 int x
, sps
, cfs
, sph
, spc
, w
;
584 int audioreorder_getnextpk
= 0;
586 // Don't demux video if video codec init failed
587 if (demuxer
->video
->id
>= 0 && !demuxer
->video
->sh
)
588 demuxer
->video
->id
= -2;
590 while(!stream_eof(demuxer
->stream
)){
592 /* Handle audio/video demxing switch for multirate files (non-interleaved) */
593 if (priv
->is_multirate
&& priv
->stream_switch
) {
594 if (priv
->current_apacket
>= priv
->index_table_size
[demuxer
->audio
->id
])
595 demuxer
->audio
->eof
= 1;
596 if (priv
->current_vpacket
>= priv
->index_table_size
[demuxer
->video
->id
])
597 demuxer
->video
->eof
= 1;
598 if (demuxer
->audio
->eof
&& demuxer
->video
->eof
)
600 else if (!demuxer
->audio
->eof
&& demuxer
->video
->eof
)
601 stream_seek(demuxer
->stream
, priv
->audio_curpos
); // Get audio
602 else if (demuxer
->audio
->eof
&& !demuxer
->video
->eof
)
603 stream_seek(demuxer
->stream
, priv
->video_curpos
); // Get video
604 else if (priv
->index_table
[demuxer
->audio
->id
][priv
->current_apacket
].timestamp
<
605 priv
->index_table
[demuxer
->video
->id
][priv
->current_vpacket
].timestamp
)
606 stream_seek(demuxer
->stream
, priv
->audio_curpos
); // Get audio
608 stream_seek(demuxer
->stream
, priv
->video_curpos
); // Get video
609 priv
->stream_switch
= 0;
612 demuxer
->filepos
= stream_tell(demuxer
->stream
);
613 version
= stream_read_word(demuxer
->stream
); /* version */
614 len
= stream_read_word(demuxer
->stream
);
615 if ((version
==0x4441) && (len
==0x5441)) { // new data chunk
616 mp_msg(MSGT_DEMUX
,MSGL_INFO
,"demux_real: New data chunk is coming!!!\n");
617 if (priv
->is_multirate
)
619 stream_skip(demuxer
->stream
,14);
620 demuxer
->filepos
= stream_tell(demuxer
->stream
);
621 version
= stream_read_word(demuxer
->stream
); /* version */
622 len
= stream_read_word(demuxer
->stream
);
623 } else if ((version
== 0x494e) && (len
== 0x4458)) {
624 mp_msg(MSGT_DEMUX
,MSGL_V
,"demux_real: Found INDX chunk. EOF.\n");
625 demuxer
->stream
->eof
=1;
630 if (len
== -256){ /* EOF */
631 // printf("len==-256!\n");
635 mp_msg(MSGT_DEMUX
, MSGL_V
,"%08X: packet v%d len=%d \n",(int)demuxer
->filepos
,(int)version
,(int)len
);
636 mp_msg(MSGT_DEMUX
, MSGL_WARN
,"bad packet len (%d)\n", len
);
637 if ((unsigned)demuxer
->video
->id
< MAX_STREAMS
) {
638 if (priv
->current_vpacket
+ 1 < priv
->index_table_size
[demuxer
->video
->id
]) {
639 stream_seek(demuxer
->stream
, priv
->index_table
[demuxer
->video
->id
][++priv
->current_vpacket
].offset
);
641 } else if ((unsigned)demuxer
->audio
->id
< MAX_STREAMS
) {
642 if (priv
->current_apacket
+ 1 < priv
->index_table_size
[demuxer
->audio
->id
]) {
643 stream_seek(demuxer
->stream
, priv
->index_table
[demuxer
->audio
->id
][++priv
->current_apacket
].offset
);
646 continue; //goto loop;
649 stream_id
= stream_read_word(demuxer
->stream
);
650 timestamp
= stream_read_dword(demuxer
->stream
);
651 reserved
= stream_read_char(demuxer
->stream
);
652 flags
= stream_read_char(demuxer
->stream
);
659 tmp
= stream_read_char(demuxer
->stream
);
660 mp_msg(MSGT_DEMUX
, MSGL_DBG2
,"Version: %d, skipped byte is %d\n", version
, tmp
);
665 add_index_item(demuxer
, stream_id
, timestamp
, demuxer
->filepos
);
667 // printf("%08X: packet v%d len=%4d id=%d pts=%6d rvd=%d flags=%d \n",
668 // (int)demuxer->filepos,(int)version,(int)len, stream_id,
669 // (int) timestamp, reserved, flags);
671 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "\npacket#%d: pos: 0x%0x, len: %d, id: %d, pts: %u, flags: %x rvd:%d\n",
672 priv
->current_packet
, (int)demuxer
->filepos
, len
, stream_id
, timestamp
, flags
, reserved
);
674 priv
->current_packet
++;
677 // printf("s_id=%d aid=%d vid=%d \n",stream_id,demuxer->audio->id,demuxer->video->id);
679 /* check stream_id: */
681 if(demuxer
->audio
->id
==stream_id
){
682 if (priv
->audio_need_keyframe
== 1&& flags
!= 0x2)
686 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "packet is audio (id: %d)\n", stream_id
);
689 priv
->sub_packet_cnt
= 0;
690 audioreorder_getnextpk
= 0;
693 // parse audio chunk:
696 int spos
=stream_tell(demuxer
->stream
);
698 static int cnt2
=CRACK_MATRIX
;
700 if (((sh_audio_t
*)ds
->sh
)->format
== mmioFOURCC('M', 'P', '4', 'A')) {
701 uint16_t sub_packet_lengths
[16], sub_packets
, i
;
703 /* AAC in Real: several AAC frames in one Real packet. */
704 /* Second byte, upper four bits: number of AAC frames */
705 /* next n * 2 bytes: length of the AAC frames in bytes, BE */
708 sub_packets
= (stream_read_word(demuxer
->stream
) & 0xf0) >> 4;
709 if (len
< 2 * sub_packets
)
711 for (i
= 0; i
< sub_packets
; i
++)
712 totlen
+= sub_packet_lengths
[i
] = stream_read_word(demuxer
->stream
);
715 for (i
= 0; i
< sub_packets
; i
++) {
716 demux_packet_t
*dp
= new_demux_packet(sub_packet_lengths
[i
]);
717 stream_read(demuxer
->stream
, dp
->buffer
, sub_packet_lengths
[i
]);
718 if (priv
->a_pts
!= timestamp
)
719 dp
->pts
= timestamp
/ 1000.0;
720 priv
->a_pts
= timestamp
;
721 dp
->pos
= demuxer
->filepos
;
722 ds_add_packet(ds
, dp
);
726 if ((priv
->intl_id
[stream_id
] == mmioFOURCC('I', 'n', 't', '4')) ||
727 (priv
->intl_id
[stream_id
] == mmioFOURCC('g', 'e', 'n', 'r')) ||
728 (priv
->intl_id
[stream_id
] == mmioFOURCC('s', 'i', 'p', 'r'))) {
729 sps
= priv
->sub_packet_size
[stream_id
];
730 sph
= priv
->sub_packet_h
[stream_id
];
731 cfs
= priv
->coded_framesize
[stream_id
];
732 w
= priv
->audiopk_size
[stream_id
];
733 spc
= priv
->sub_packet_cnt
;
734 switch (priv
->intl_id
[stream_id
]) {
735 case mmioFOURCC('I', 'n', 't', '4'):
736 if (len
< cfs
* sph
/2)
738 for (x
= 0; x
< sph
/ 2; x
++)
739 stream_read(demuxer
->stream
, priv
->audio_buf
+ x
* 2 * w
+ spc
* cfs
, cfs
);
741 case mmioFOURCC('g', 'e', 'n', 'r'):
744 for (x
= 0; x
< w
/ sps
; x
++)
745 stream_read(demuxer
->stream
, priv
->audio_buf
+ sps
* (sph
* x
+ ((sph
+ 1) / 2) * (spc
& 1) +
748 case mmioFOURCC('s', 'i', 'p', 'r'):
751 stream_read(demuxer
->stream
, priv
->audio_buf
+ spc
* w
, w
);
752 if (spc
== sph
- 1) {
754 int bs
= sph
* w
* 2 / 96; // nibbles per subpacket
755 // Perform reordering
756 for(n
=0; n
< 38; n
++) {
758 int i
= bs
* sipr_swaps
[n
][0];
759 int o
= bs
* sipr_swaps
[n
][1];
760 // swap nibbles of block 'i' with 'o' TODO: optimize
761 for(j
= 0;j
< bs
; j
++) {
762 int x
= (i
& 1) ? (priv
->audio_buf
[i
>> 1] >> 4) : (priv
->audio_buf
[i
>> 1] & 0x0F);
763 int y
= (o
& 1) ? (priv
->audio_buf
[o
>> 1] >> 4) : (priv
->audio_buf
[o
>> 1] & 0x0F);
765 priv
->audio_buf
[o
>> 1] = (priv
->audio_buf
[o
>> 1] & 0x0F) | (x
<< 4);
767 priv
->audio_buf
[o
>> 1] = (priv
->audio_buf
[o
>> 1] & 0xF0) | x
;
769 priv
->audio_buf
[i
>> 1] = (priv
->audio_buf
[i
>> 1] & 0x0F) | (y
<< 4);
771 priv
->audio_buf
[i
>> 1] = (priv
->audio_buf
[i
>> 1] & 0xF0) | y
;
778 priv
->audio_need_keyframe
= 0;
779 priv
->audio_timestamp
[priv
->sub_packet_cnt
] = (priv
->a_pts
==timestamp
) ? MP_NOPTS_VALUE
: (timestamp
/1000.0);
780 priv
->a_pts
= timestamp
;
781 if (priv
->sub_packet_cnt
== 0)
782 priv
->audio_filepos
= demuxer
->filepos
;
783 if (++(priv
->sub_packet_cnt
) < sph
)
784 audioreorder_getnextpk
= 1;
786 int apk_usize
= ((sh_audio_t
*)ds
->sh
)->wf
->nBlockAlign
;
787 audioreorder_getnextpk
= 0;
788 priv
->sub_packet_cnt
= 0;
789 // Release all the audio packets
790 for (x
= 0; x
< sph
*w
/apk_usize
; x
++) {
791 dp
= new_demux_packet(apk_usize
);
792 memcpy(dp
->buffer
, priv
->audio_buf
+ x
* apk_usize
, apk_usize
);
793 /* Put timestamp only on packets that correspond to original audio packets in file */
794 if (x
* apk_usize
% w
== 0)
795 dp
->pts
= priv
->audio_timestamp
[x
* apk_usize
/ w
];
796 dp
->pos
= priv
->audio_filepos
; // all equal
797 dp
->keyframe
= !x
; // Mark first packet as keyframe
798 ds_add_packet(ds
, dp
);
801 } else { // No interleaving
802 dp
= new_demux_packet(len
);
803 stream_read(demuxer
->stream
, dp
->buffer
, len
);
806 mp_msg(MSGT_DEMUX
, MSGL_V
,"*** audio block len=%d\n",len
);
807 { // HACK - used for reverse engineering the descrambling matrix
808 FILE* f
=fopen("test.rm","r+");
809 fseek(f
,spos
,SEEK_SET
);
811 // for(i=0;i<len;i++) dp->buffer[i]=i/0x12;
812 // for(i=0;i<len;i++) dp->buffer[i]=i;
813 // for(i=0;i<len;i++) dp->buffer[i]=cnt;
814 // for(i=0;i<len;i++) dp->buffer[i]=cnt<<4;
815 for(i
=0;i
<len
;i
++) dp
->buffer
[i
]=(i
==cnt2
) ? (cnt
+16*(8+cnt
)) : 0;
816 if(cnt
==6){ cnt
=0; ++cnt2
; }
817 fwrite(dp
->buffer
, len
, 1, f
);
819 if(cnt2
>0x150) *((int*)NULL
)=1; // sig11 :)
823 if( ((sh_audio_t
*)ds
->sh
)->format
== 0x2000) {
824 // if DNET, swap bytes, as DNET is byte-swapped AC3:
825 char *ptr
= dp
->buffer
;
827 for (i
= 0; i
< len
; i
+= 2)
829 const char tmp
= ptr
[0];
836 if (priv
->audio_need_keyframe
== 1) {
837 priv
->audio_need_keyframe
= 0;
838 } else if(priv
->a_pts
!= timestamp
)
839 dp
->pts
= timestamp
/1000.0;
840 priv
->a_pts
=timestamp
;
841 dp
->pos
= demuxer
->filepos
;
842 dp
->keyframe
= flags
& 0x2;
843 ds_add_packet(ds
, dp
);
845 } // codec_id check, codec default case
847 // we will not use audio index if we use -idx and have a video
848 if(((!demuxer
->video
->sh
&& index_mode
== 2) || priv
->is_multirate
) && (unsigned)demuxer
->audio
->id
< MAX_STREAMS
) {
849 while (priv
->current_apacket
+ 1 < priv
->index_table_size
[demuxer
->audio
->id
] &&
850 timestamp
> priv
->index_table
[demuxer
->audio
->id
][priv
->current_apacket
].timestamp
) {
851 priv
->current_apacket
+= 1;
852 priv
->stream_switch
= 1;
854 if (priv
->stream_switch
)
855 priv
->audio_curpos
= stream_tell(demuxer
->stream
);
858 // If we're reordering audio packets and we need more data get it
859 if (audioreorder_getnextpk
)
865 if(demuxer
->video
->id
==stream_id
){
868 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "packet is video (id: %d)\n", stream_id
);
870 // parse video chunk:
872 // we need a more complicated, 2nd level demuxing, as the video
873 // frames are stored fragmented in the video chunks :(
874 sh_video_t
*sh_video
= ds
->sh
;
876 unsigned vpkg_header
, vpkg_length
, vpkg_offset
;
882 unsigned char* dp_data
;
885 // printf("xxx len=%d \n",len);
887 // read packet header
888 // bit 7: 1=last block in block chain
889 // bit 6: 1=short header (only one block?)
890 vpkg_header
=stream_read_char(demuxer
->stream
); --len
;
891 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "hdr: %02X (len=%d) ",vpkg_header
,len
);
893 if (0x40==(vpkg_header
&0xc0)) {
894 // seems to be a very short header
895 // 2 bytes, purpose of the second byte yet unknown
896 int bummer av_unused
;
897 bummer
=stream_read_char(demuxer
->stream
); --len
;
898 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "%02X",bummer
);
903 if (0==(vpkg_header
&0x40)) {
904 // sub-seqnum (bits 0-6: number of fragment. bit 7: ???)
905 vpkg_subseq
=stream_read_char(demuxer
->stream
);
907 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "subseq: %02X ",vpkg_subseq
);
911 // size of the complete packet
912 // bit 14 is always one (same applies to the offset)
913 vpkg_length
=stream_read_word(demuxer
->stream
);
915 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "l: %02X %02X ",vpkg_length
>>8,vpkg_length
&0xff);
916 if (!(vpkg_length
&0xC000)) {
918 vpkg_length
|=(uint16_t)stream_read_word(demuxer
->stream
);
919 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "l+: %02X %02X ",(vpkg_length
>>8)&0xff,vpkg_length
&0xff);
924 // offset of the following data inside the complete packet
925 // Note: if (hdr&0xC0)==0x80 then offset is relative to the
926 // _end_ of the packet, so it's equal to fragment size!!!
927 vpkg_offset
=stream_read_word(demuxer
->stream
);
929 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "o: %02X %02X ",vpkg_offset
>>8,vpkg_offset
&0xff);
930 if (!(vpkg_offset
&0xC000)) {
932 vpkg_offset
|=(uint16_t)stream_read_word(demuxer
->stream
);
933 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "o+: %02X %02X ",(vpkg_offset
>>8)&0xff,vpkg_offset
&0xff);
938 vpkg_seqnum
=stream_read_char(demuxer
->stream
); --len
;
939 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "seq: %02X ",vpkg_seqnum
);
941 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "\n");
942 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "blklen=%d\n", len
);
943 mp_msg(MSGT_DEMUX
,MSGL_DBG2
, "block: hdr=0x%0x, len=%d, offset=%d, seqnum=%d\n",
944 vpkg_header
, vpkg_length
, vpkg_offset
, vpkg_seqnum
);
948 dp_hdr
=(dp_hdr_t
*)dp
->buffer
;
949 dp_data
=dp
->buffer
+sizeof(dp_hdr_t
);
950 extra
=dp
->buffer
+dp_hdr
->chunktab
;
951 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "we have an incomplete packet (oldseq=%d new=%d)\n",ds
->asf_seq
,vpkg_seqnum
);
952 // we have an incomplete packet:
953 if(ds
->asf_seq
!=vpkg_seqnum
){
954 // this fragment is for new packet, close the old one
955 mp_msg(MSGT_DEMUX
,MSGL_DBG2
, "closing probably incomplete packet, len: %d \n",dp
->len
);
956 queue_video_packet(priv
, ds
, dp
);
959 // append data to it!
961 mp_msg(MSGT_DEMUX
,MSGL_DBG2
,"[chunks=%d subseq=%d]\n",dp_hdr
->chunks
,vpkg_subseq
);
962 if(dp_hdr
->chunktab
+8*(1+dp_hdr
->chunks
)>dp
->len
){
963 // increase buffer size, this should not happen!
964 mp_msg(MSGT_DEMUX
,MSGL_WARN
, "chunktab buffer too small!!!!!\n");
965 dp
->len
=dp_hdr
->chunktab
+8*(4+dp_hdr
->chunks
);
966 dp
->buffer
=realloc(dp
->buffer
,dp
->len
+MP_INPUT_BUFFER_PADDING_SIZE
);
967 memset(dp
->buffer
+ dp
->len
, 0, MP_INPUT_BUFFER_PADDING_SIZE
);
969 dp_hdr
=(dp_hdr_t
*)dp
->buffer
;
970 dp_data
=dp
->buffer
+sizeof(dp_hdr_t
);
971 extra
=dp
->buffer
+dp_hdr
->chunktab
;
973 AV_WL32(extra
+ 8*dp_hdr
->chunks
+ 0, 1);
974 AV_WL32(extra
+ 8*dp_hdr
->chunks
+ 4, dp_hdr
->len
);
975 if(0x80==(vpkg_header
&0xc0)){
977 if(dp_hdr
->len
!=vpkg_length
-vpkg_offset
)
978 mp_msg(MSGT_DEMUX
,MSGL_V
,"warning! assembled.len=%d frag.len=%d total.len=%d \n",dp
->len
,vpkg_offset
,vpkg_length
-vpkg_offset
);
979 if (vpkg_offset
> dp
->len
- sizeof(dp_hdr_t
) - dp_hdr
->len
) vpkg_offset
= dp
->len
- sizeof(dp_hdr_t
) - dp_hdr
->len
;
980 stream_read(demuxer
->stream
, dp_data
+dp_hdr
->len
, vpkg_offset
);
981 if((dp_data
[dp_hdr
->len
]&0x20) && (sh_video
->format
==0x30335652)) --dp_hdr
->chunks
; else
982 dp_hdr
->len
+=vpkg_offset
;
984 mp_dbg(MSGT_DEMUX
,MSGL_DBG2
, "fragment (%d bytes) appended, %d bytes left\n",vpkg_offset
,len
);
985 // we know that this is the last fragment -> we can close the packet!
986 queue_video_packet(priv
, ds
, dp
);
991 // non-last fragment:
992 if(dp_hdr
->len
!=vpkg_offset
)
993 mp_msg(MSGT_DEMUX
,MSGL_V
,"warning! assembled.len=%d offset=%d frag.len=%d total.len=%d \n",dp
->len
,vpkg_offset
,len
,vpkg_length
);
994 if (len
> dp
->len
- sizeof(dp_hdr_t
) - dp_hdr
->len
) len
= dp
->len
- sizeof(dp_hdr_t
) - dp_hdr
->len
;
995 stream_read(demuxer
->stream
, dp_data
+dp_hdr
->len
, len
);
996 if((dp_data
[dp_hdr
->len
]&0x20) && (sh_video
->format
==0x30335652)) --dp_hdr
->chunks
; else
999 break; // no more fragments in this chunk!
1002 // create new packet!
1003 dp
= new_demux_packet(sizeof(dp_hdr_t
)+vpkg_length
+8*(1+2*(vpkg_header
&0x3F)));
1004 // the timestamp seems to be in milliseconds
1005 dp
->pos
= demuxer
->filepos
;
1006 dp
->keyframe
= flags
& 0x2;
1007 ds
->asf_seq
= vpkg_seqnum
;
1008 dp_hdr
=(dp_hdr_t
*)dp
->buffer
;
1010 dp_hdr
->timestamp
=timestamp
;
1011 dp_hdr
->chunktab
=sizeof(dp_hdr_t
)+vpkg_length
;
1012 dp_data
=dp
->buffer
+sizeof(dp_hdr_t
);
1013 extra
=dp
->buffer
+dp_hdr
->chunktab
;
1014 AV_WL32(extra
, 1); AV_WL32(extra
+ 4, 0); // offset of the first chunk
1015 if(0x00==(vpkg_header
&0xc0)){
1017 if (len
> dp
->len
- sizeof(dp_hdr_t
)) len
= dp
->len
- sizeof(dp_hdr_t
);
1019 stream_read(demuxer
->stream
, dp_data
, len
);
1024 // whole packet (not fragmented):
1025 if (vpkg_length
> len
) {
1026 mp_msg(MSGT_DEMUX
, MSGL_WARN
,"\n******** WARNING: vpkg_length=%i > len=%i ********\n", vpkg_length
, len
);
1028 * To keep the video stream rolling, we need to break
1029 * here. We shouldn't touch len to make sure rest of the
1030 * broken packet is skipped.
1034 dp_hdr
->len
=vpkg_length
; len
-=vpkg_length
;
1035 stream_read(demuxer
->stream
, dp_data
, vpkg_length
);
1036 queue_video_packet(priv
, ds
, dp
);
1041 mp_msg(MSGT_DEMUX
, MSGL_WARN
,"\n******** !!!!!!!! BUG!! len=%d !!!!!!!!!!! ********\n",len
);
1042 if(len
>0) stream_skip(demuxer
->stream
, len
);
1045 if ((unsigned)demuxer
->video
->id
< MAX_STREAMS
) {
1046 while (priv
->current_vpacket
+ 1 < priv
->index_table_size
[demuxer
->video
->id
] &&
1047 timestamp
> priv
->index_table
[demuxer
->video
->id
][priv
->current_vpacket
+ 1].timestamp
) {
1048 priv
->current_vpacket
+= 1;
1049 priv
->stream_switch
= 1;
1051 if (priv
->stream_switch
)
1052 priv
->video_curpos
= stream_tell(demuxer
->stream
);
1058 if((unsigned)stream_id
<MAX_STREAMS
){
1060 if(demuxer
->audio
->id
==-1 && demuxer
->a_streams
[stream_id
]){
1061 sh_audio_t
*sh
= demuxer
->a_streams
[stream_id
];
1062 demuxer
->audio
->id
=stream_id
;
1063 sh
->ds
=demuxer
->audio
;
1064 demuxer
->audio
->sh
=sh
;
1065 priv
->audio_buf
= calloc(priv
->sub_packet_h
[demuxer
->audio
->id
], priv
->audiopk_size
[demuxer
->audio
->id
]);
1066 priv
->audio_timestamp
= calloc(priv
->sub_packet_h
[demuxer
->audio
->id
], sizeof(double));
1067 mp_msg(MSGT_DEMUX
,MSGL_V
,"Auto-selected RM audio ID = %d\n",stream_id
);
1071 if(demuxer
->video
->id
==-1 && demuxer
->v_streams
[stream_id
]){
1072 sh_video_t
*sh
= demuxer
->v_streams
[stream_id
];
1073 demuxer
->video
->id
=stream_id
;
1074 sh
->ds
=demuxer
->video
;
1075 demuxer
->video
->sh
=sh
;
1076 mp_msg(MSGT_DEMUX
,MSGL_V
,"Auto-selected RM video ID = %d\n",stream_id
);
1082 mp_msg(MSGT_DEMUX
,MSGL_DBG2
, "unknown stream id (%d)\n", stream_id
);
1084 stream_skip(demuxer
->stream
, len
);
1089 static demuxer_t
* demux_open_real(demuxer_t
* demuxer
)
1091 real_priv_t
* priv
= demuxer
->priv
;
1098 header_size
= stream_read_dword(demuxer
->stream
); /* header size */
1099 mp_msg(MSGT_DEMUX
,MSGL_V
, "real: Header size: %d\n", header_size
);
1100 i
= stream_read_word(demuxer
->stream
); /* version */
1101 mp_msg(MSGT_DEMUX
,MSGL_V
, "real: Header object version: %d\n", i
);
1102 if (header_size
== 0x10)
1103 i
= stream_read_word(demuxer
->stream
);
1104 else /* we should test header_size here too. */
1105 i
= stream_read_dword(demuxer
->stream
);
1106 mp_msg(MSGT_DEMUX
,MSGL_V
, "real: File version: %d\n", i
);
1107 num_of_headers
= stream_read_dword(demuxer
->stream
);
1110 for (i
= 1; i
<= num_of_headers
; i
++)
1111 // for (i = 1; ; i++)
1113 int chunk_id
, chunk_pos
, chunk_size
;
1115 chunk_pos
= stream_tell(demuxer
->stream
);
1116 chunk_id
= stream_read_dword_le(demuxer
->stream
);
1117 chunk_size
= stream_read_dword(demuxer
->stream
);
1119 stream_skip(demuxer
->stream
, 2); /* version */
1121 mp_msg(MSGT_DEMUX
,MSGL_V
, "Chunk: %.4s (%x) (size: 0x%x, offset: 0x%x)\n",
1122 (char *)&chunk_id
, chunk_id
, chunk_size
, chunk_pos
);
1124 if (chunk_id
!= MKTAG('D', 'A', 'T', 'A') && chunk_size
< 10){
1125 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"demux_real: invalid chunksize! (%d)\n",chunk_size
);
1131 case MKTAG('P', 'R', 'O', 'P'):
1132 /* Properties header */
1134 stream_skip(demuxer
->stream
, 4); /* max bitrate */
1135 stream_skip(demuxer
->stream
, 4); /* avg bitrate */
1136 stream_skip(demuxer
->stream
, 4); /* max packet size */
1137 stream_skip(demuxer
->stream
, 4); /* avg packet size */
1138 stream_skip(demuxer
->stream
, 4); /* nb packets */
1139 priv
->duration
= stream_read_dword(demuxer
->stream
)/1000; /* duration */
1140 stream_skip(demuxer
->stream
, 4); /* preroll */
1141 priv
->index_chunk_offset
= stream_read_dword(demuxer
->stream
);
1142 mp_msg(MSGT_DEMUX
,MSGL_V
,"First index chunk offset: 0x%x\n", priv
->index_chunk_offset
);
1143 priv
->data_chunk_offset
= stream_read_dword(demuxer
->stream
)+10;
1144 mp_msg(MSGT_DEMUX
,MSGL_V
,"First data chunk offset: 0x%x\n", priv
->data_chunk_offset
);
1145 stream_skip(demuxer
->stream
, 2); /* nb streams */
1147 stream_skip(demuxer
->stream
, 2); /* flags */
1150 int flags
= stream_read_word(demuxer
->stream
);
1154 mp_msg(MSGT_DEMUX
,MSGL_V
,"Flags (%x): ", flags
);
1156 mp_msg(MSGT_DEMUX
,MSGL_V
,"[save allowed] ");
1158 mp_msg(MSGT_DEMUX
,MSGL_V
,"[perfect play (more buffers)] ");
1160 mp_msg(MSGT_DEMUX
,MSGL_V
,"[live broadcast] ");
1161 mp_msg(MSGT_DEMUX
,MSGL_V
,"\n");
1166 case MKTAG('C', 'O', 'N', 'T'):
1168 /* Content description header */
1172 len
= stream_read_word(demuxer
->stream
);
1175 buf
= malloc(len
+1);
1176 stream_read(demuxer
->stream
, buf
, len
);
1178 demux_info_add(demuxer
, "title", buf
);
1182 len
= stream_read_word(demuxer
->stream
);
1185 buf
= malloc(len
+1);
1186 stream_read(demuxer
->stream
, buf
, len
);
1188 demux_info_add(demuxer
, "author", buf
);
1192 len
= stream_read_word(demuxer
->stream
);
1195 buf
= malloc(len
+1);
1196 stream_read(demuxer
->stream
, buf
, len
);
1198 demux_info_add(demuxer
, "copyright", buf
);
1202 len
= stream_read_word(demuxer
->stream
);
1205 buf
= malloc(len
+1);
1206 stream_read(demuxer
->stream
, buf
, len
);
1208 demux_info_add(demuxer
, "comment", buf
);
1213 case MKTAG('M', 'D', 'P', 'R'):
1215 /* Media properties header */
1218 int codec_data_size
;
1222 char *descr
, *mimet
= NULL
;
1224 stream_id
= stream_read_word(demuxer
->stream
);
1225 mp_msg(MSGT_DEMUX
,MSGL_V
,"Found new stream (id: %d)\n", stream_id
);
1227 stream_skip(demuxer
->stream
, 4); /* max bitrate */
1228 bitrate
= stream_read_dword(demuxer
->stream
); /* avg bitrate */
1229 stream_skip(demuxer
->stream
, 4); /* max packet size */
1230 stream_skip(demuxer
->stream
, 4); /* avg packet size */
1231 stream_skip(demuxer
->stream
, 4); /* start time */
1232 stream_skip(demuxer
->stream
, 4); /* preroll */
1233 stream_skip(demuxer
->stream
, 4); /* duration */
1235 if ((len
= stream_read_char(demuxer
->stream
)) > 0) {
1236 descr
= malloc(len
+1);
1237 stream_read(demuxer
->stream
, descr
, len
);
1239 mp_msg(MSGT_DEMUX
, MSGL_INFO
,"Stream description: %s\n", descr
);
1242 if ((len
= stream_read_char(demuxer
->stream
)) > 0) {
1243 mimet
= malloc(len
+1);
1244 stream_read(demuxer
->stream
, mimet
, len
);
1246 mp_msg(MSGT_DEMUX
, MSGL_INFO
,"Stream mimetype: %s\n", mimet
);
1249 /* Type specific header */
1250 codec_data_size
= stream_read_dword(demuxer
->stream
);
1251 codec_pos
= stream_tell(demuxer
->stream
);
1253 if (!strncmp(mimet
,"audio/",6)) {
1254 if (strstr(mimet
,"x-pn-realaudio") || strstr(mimet
,"x-pn-multirate-realaudio")) {
1255 tmp
= stream_read_dword(demuxer
->stream
);
1256 if (tmp
!= MKTAG(0xfd, 'a', 'r', '.'))
1258 mp_msg(MSGT_DEMUX
,MSGL_V
,"Audio: can't find .ra in codec data\n");
1261 sh_audio_t
*sh
= new_sh_audio(demuxer
, stream_id
);
1262 char buf
[128]; /* for codec name */
1264 int sub_packet_size
;
1267 int flavor av_unused
;
1268 int coded_frame_size
;
1269 int codecdata_length
;
1273 mp_tmsg(MSGT_DEMUX
, MSGL_INFO
, "[%s] Audio stream found, -aid %d\n", "real", stream_id
);
1274 mp_msg(MSGT_DEMUX
,MSGL_V
,"Found audio stream!\n");
1275 version
= stream_read_word(demuxer
->stream
);
1276 mp_msg(MSGT_DEMUX
,MSGL_V
,"version: %d\n", version
);
1278 stream_skip(demuxer
->stream
, 2);
1279 stream_skip(demuxer
->stream
, 10);
1280 stream_skip(demuxer
->stream
, 4);
1281 // Name, author, (c) are also in CONT tag
1282 if ((i
= stream_read_char(demuxer
->stream
)) != 0) {
1284 stream_read(demuxer
->stream
, buft
, i
);
1286 demux_info_add(demuxer
, "Name", buft
);
1289 if ((i
= stream_read_char(demuxer
->stream
)) != 0) {
1291 stream_read(demuxer
->stream
, buft
, i
);
1293 demux_info_add(demuxer
, "Author", buft
);
1296 if ((i
= stream_read_char(demuxer
->stream
)) != 0) {
1298 stream_read(demuxer
->stream
, buft
, i
);
1300 demux_info_add(demuxer
, "Copyright", buft
);
1303 if ((i
= stream_read_char(demuxer
->stream
)) != 0)
1304 mp_msg(MSGT_DEMUX
,MSGL_WARN
,"Last header byte is not zero!\n");
1305 stream_skip(demuxer
->stream
, 1);
1306 i
= stream_read_char(demuxer
->stream
);
1307 sh
->format
= stream_read_dword_le(demuxer
->stream
);
1309 mp_msg(MSGT_DEMUX
,MSGL_WARN
,"Audio FourCC size is not 4 (%d), please report to "
1310 "MPlayer developers\n", i
);
1311 stream_skip(demuxer
->stream
, i
- 4);
1313 if (sh
->format
!= mmioFOURCC('l','p','c','J')) {
1314 mp_msg(MSGT_DEMUX
,MSGL_WARN
,"Version 3 audio with FourCC %8x, please report to "
1315 "MPlayer developers\n", sh
->format
);
1318 sh
->samplesize
= 16;
1319 sh
->samplerate
= 8000;
1322 sub_packet_size
= coded_frame_size
= 0x14;
1323 strcpy(buf
, "14_4");
1325 stream_skip(demuxer
->stream
, 2); // 00 00
1326 stream_skip(demuxer
->stream
, 4); /* .ra4 or .ra5 */
1327 stream_skip(demuxer
->stream
, 4); // ???
1328 stream_skip(demuxer
->stream
, 2); /* version (4 or 5) */
1329 hdr_size
= stream_read_dword(demuxer
->stream
); // header size
1330 mp_msg(MSGT_DEMUX
,MSGL_V
,"header size: %d\n", hdr_size
);
1331 flavor
= stream_read_word(demuxer
->stream
);/* codec flavor id */
1332 coded_frame_size
= stream_read_dword(demuxer
->stream
);/* needed by codec */
1333 mp_msg(MSGT_DEMUX
,MSGL_V
,"coded_frame_size: %d\n", coded_frame_size
);
1334 stream_skip(demuxer
->stream
, 4); // big number
1335 stream_skip(demuxer
->stream
, 4); // bigger number
1336 stream_skip(demuxer
->stream
, 4); // 2 || -''-
1337 sub_packet_h
= stream_read_word(demuxer
->stream
);
1338 mp_msg(MSGT_DEMUX
,MSGL_V
,"sub_packet_h: %d\n", sub_packet_h
);
1339 frame_size
= stream_read_word(demuxer
->stream
);
1340 mp_msg(MSGT_DEMUX
,MSGL_V
,"frame_size: %d\n", frame_size
);
1341 sub_packet_size
= stream_read_word(demuxer
->stream
);
1342 mp_msg(MSGT_DEMUX
,MSGL_V
,"sub_packet_size: %d\n", sub_packet_size
);
1343 stream_skip(demuxer
->stream
, 2); // 0
1346 stream_skip(demuxer
->stream
, 6); //0,srate,0
1348 sh
->samplerate
= stream_read_word(demuxer
->stream
);
1349 stream_skip(demuxer
->stream
, 2); // 0
1350 sh
->samplesize
= stream_read_word(demuxer
->stream
)/8;
1351 sh
->channels
= stream_read_word(demuxer
->stream
);
1352 mp_msg(MSGT_DEMUX
,MSGL_V
,"samplerate: %d, channels: %d\n",
1353 sh
->samplerate
, sh
->channels
);
1357 stream_read(demuxer
->stream
, buf
, 4); // interleaver id
1358 priv
->intl_id
[stream_id
] = MKTAG(buf
[0], buf
[1], buf
[2], buf
[3]);
1359 stream_read(demuxer
->stream
, buf
, 4); // fourcc
1364 /* Interleaver id */
1365 get_str(1, demuxer
, buf
, sizeof(buf
));
1366 priv
->intl_id
[stream_id
] = MKTAG(buf
[0], buf
[1], buf
[2], buf
[3]);
1368 get_str(1, demuxer
, buf
, sizeof(buf
));
1372 /* Emulate WAVEFORMATEX struct: */
1373 sh
->wf
= calloc(1, sizeof(*sh
->wf
));
1374 sh
->wf
->nChannels
= sh
->channels
;
1375 sh
->wf
->wBitsPerSample
= sh
->samplesize
*8;
1376 sh
->wf
->nSamplesPerSec
= sh
->samplerate
;
1377 sh
->wf
->nAvgBytesPerSec
= bitrate
/8;
1378 sh
->wf
->nBlockAlign
= frame_size
;
1380 sh
->format
= MKTAG(buf
[0], buf
[1], buf
[2], buf
[3]);
1384 case MKTAG('d', 'n', 'e', 't'):
1385 mp_msg(MSGT_DEMUX
,MSGL_V
,"Audio: DNET -> AC3\n");
1386 // sh->format = 0x2000;
1388 case MKTAG('1', '4', '_', '4'):
1389 sh
->wf
->nBlockAlign
= coded_frame_size
;
1392 case MKTAG('2', '8', '_', '8'):
1393 sh
->wf
->nBlockAlign
= coded_frame_size
;
1396 case MKTAG('s', 'i', 'p', 'r'):
1397 case MKTAG('a', 't', 'r', 'c'):
1398 case MKTAG('c', 'o', 'o', 'k'):
1399 // realaudio codec plugins - common:
1400 stream_skip(demuxer
->stream
,3); // Skip 3 unknown bytes
1402 stream_skip(demuxer
->stream
,1); // Skip 1 additional unknown byte
1403 codecdata_length
=stream_read_dword(demuxer
->stream
);
1404 // Check extradata len, we can't store bigger values in cbSize anyway
1405 if ((unsigned)codecdata_length
> 0xffff) {
1406 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Extradata too big (%d)\n", codecdata_length
);
1407 goto skip_this_chunk
;
1409 sh
->wf
->cbSize
= codecdata_length
;
1410 sh
->wf
= realloc(sh
->wf
, sizeof(*sh
->wf
)+sh
->wf
->cbSize
);
1411 stream_read(demuxer
->stream
, ((char*)(sh
->wf
+1)), codecdata_length
); // extras
1412 if (priv
->intl_id
[stream_id
] == MKTAG('g', 'e', 'n', 'r'))
1413 sh
->wf
->nBlockAlign
= sub_packet_size
;
1415 sh
->wf
->nBlockAlign
= coded_frame_size
;
1419 case MKTAG('r', 'a', 'a', 'c'):
1420 case MKTAG('r', 'a', 'c', 'p'):
1421 /* This is just AAC. The two or five bytes of */
1422 /* config data needed for libfaad are stored */
1423 /* after the audio headers. */
1424 stream_skip(demuxer
->stream
,3); // Skip 3 unknown bytes
1426 stream_skip(demuxer
->stream
,1); // Skip 1 additional unknown byte
1427 codecdata_length
=stream_read_dword(demuxer
->stream
);
1428 if (codecdata_length
>=1) {
1429 sh
->codecdata_len
= codecdata_length
- 1;
1430 sh
->codecdata
= calloc(sh
->codecdata_len
, 1);
1431 stream_skip(demuxer
->stream
, 1);
1432 stream_read(demuxer
->stream
, sh
->codecdata
, sh
->codecdata_len
);
1434 sh
->format
= mmioFOURCC('M', 'P', '4', 'A');
1437 mp_msg(MSGT_DEMUX
,MSGL_V
,"Audio: Unknown (%s)\n", buf
);
1440 // Interleaver setup
1441 priv
->sub_packet_size
[stream_id
] = sub_packet_size
;
1442 priv
->sub_packet_h
[stream_id
] = sub_packet_h
;
1443 priv
->coded_framesize
[stream_id
] = coded_frame_size
;
1444 priv
->audiopk_size
[stream_id
] = frame_size
;
1446 sh
->wf
->wFormatTag
= sh
->format
;
1448 mp_msg(MSGT_DEMUX
,MSGL_V
,"audio fourcc: %.4s (%x)\n", (char *)&sh
->format
, sh
->format
);
1449 if ( mp_msg_test(MSGT_DEMUX
,MSGL_V
) )
1450 print_wave_header(sh
->wf
, MSGL_V
);
1452 /* Select audio stream with highest bitrate if multirate file*/
1453 if (priv
->is_multirate
&& ((demuxer
->audio
->id
== -1) ||
1454 ((demuxer
->audio
->id
>= 0) && priv
->a_bitrate
&& (bitrate
> priv
->a_bitrate
)))) {
1455 demuxer
->audio
->id
= stream_id
;
1456 priv
->a_bitrate
= bitrate
;
1457 mp_msg(MSGT_DEMUX
,MSGL_DBG2
,"Multirate autoselected audio id %d with bitrate %d\n", stream_id
, bitrate
);
1460 if(demuxer
->audio
->id
==stream_id
){
1461 sh
->ds
=demuxer
->audio
;
1462 demuxer
->audio
->sh
=sh
;
1463 priv
->audio_buf
= calloc(priv
->sub_packet_h
[demuxer
->audio
->id
], priv
->audiopk_size
[demuxer
->audio
->id
]);
1464 priv
->audio_timestamp
= calloc(priv
->sub_packet_h
[demuxer
->audio
->id
], sizeof(double));
1473 } else if (strstr(mimet
,"X-MP3-draft-00")) {
1474 sh_audio_t
*sh
= new_sh_audio(demuxer
, stream_id
);
1475 mp_tmsg(MSGT_DEMUX
, MSGL_INFO
, "[%s] Audio stream found, -aid %d\n", "real", stream_id
);
1477 /* Emulate WAVEFORMATEX struct: */
1478 sh
->wf
= calloc(1, sizeof(*sh
->wf
));
1479 sh
->wf
->nChannels
= 0;//sh->channels;
1480 sh
->wf
->wBitsPerSample
= 16;
1481 sh
->wf
->nSamplesPerSec
= 0;//sh->samplerate;
1482 sh
->wf
->nAvgBytesPerSec
= 0;//bitrate;
1483 sh
->wf
->nBlockAlign
= 0;//frame_size;
1485 sh
->wf
->wFormatTag
= sh
->format
= mmioFOURCC('a','d','u',0x55);
1487 if(demuxer
->audio
->id
==stream_id
){
1488 sh
->ds
=demuxer
->audio
;
1489 demuxer
->audio
->sh
=sh
;
1493 } else if (strstr(mimet
,"x-ralf-mpeg4")) {
1494 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Real lossless audio not supported yet\n");
1495 } else if (strstr(mimet
,"x-pn-encrypted-ra")) {
1496 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Encrypted audio is not supported\n");
1498 mp_msg(MSGT_DEMUX
,MSGL_V
,"Unknown audio stream format\n");
1500 } else if (!strncmp(mimet
,"video/",6)) {
1501 if (strstr(mimet
,"x-pn-realvideo") || strstr(mimet
,"x-pn-multirate-realvideo")) {
1502 stream_skip(demuxer
->stream
, 4); // VIDO length, same as codec_data_size
1503 tmp
= stream_read_dword(demuxer
->stream
);
1504 if(tmp
!= MKTAG('O', 'D', 'I', 'V'))
1506 mp_msg(MSGT_DEMUX
,MSGL_V
,"Video: can't find VIDO in codec data\n");
1509 sh_video_t
*sh
= new_sh_video(demuxer
, stream_id
);
1510 mp_tmsg(MSGT_DEMUX
, MSGL_INFO
, "[%s] Video stream found, -vid %d\n", "real", stream_id
);
1512 sh
->format
= stream_read_dword_le(demuxer
->stream
); /* fourcc */
1513 mp_msg(MSGT_DEMUX
,MSGL_V
,"video fourcc: %.4s (%x)\n", (char *)&sh
->format
, sh
->format
);
1515 /* emulate BITMAPINFOHEADER */
1516 sh
->bih
= calloc(1, sizeof(*sh
->bih
));
1517 sh
->bih
->biSize
= sizeof(*sh
->bih
);
1518 sh
->disp_w
= sh
->bih
->biWidth
= stream_read_word(demuxer
->stream
);
1519 sh
->disp_h
= sh
->bih
->biHeight
= stream_read_word(demuxer
->stream
);
1520 sh
->bih
->biPlanes
= 1;
1521 sh
->bih
->biBitCount
= 24;
1522 sh
->bih
->biCompression
= sh
->format
;
1523 sh
->bih
->biSizeImage
= sh
->bih
->biWidth
*sh
->bih
->biHeight
*3;
1525 sh
->fps
= (float) stream_read_word(demuxer
->stream
);
1526 if (sh
->fps
<=0) sh
->fps
=24; // we probably won't even care about fps
1527 sh
->frametime
= 1.0f
/sh
->fps
;
1530 stream_skip(demuxer
->stream
, 4);
1532 mp_msg(MSGT_DEMUX
, MSGL_V
,"unknown1: 0x%X \n",stream_read_dword(demuxer
->stream
));
1533 mp_msg(MSGT_DEMUX
, MSGL_V
,"unknown2: 0x%X \n",stream_read_word(demuxer
->stream
));
1534 mp_msg(MSGT_DEMUX
, MSGL_V
,"unknown3: 0x%X \n",stream_read_word(demuxer
->stream
));
1536 // if(sh->format==0x30335652 || sh->format==0x30325652 )
1539 int tmp
=stream_read_word(demuxer
->stream
);
1541 sh
->fps
=tmp
; sh
->frametime
= 1.0f
/sh
->fps
;
1544 int fps
=stream_read_word(demuxer
->stream
);
1545 mp_msg(MSGT_DEMUX
, MSGL_WARN
,"realvid: ignoring FPS = %d\n",fps
);
1547 stream_skip(demuxer
->stream
, 2);
1550 // read and store codec extradata
1551 unsigned int cnt
= codec_data_size
- (stream_tell(demuxer
->stream
) - codec_pos
);
1552 if (cnt
> 0x7fffffff - sizeof(*sh
->bih
)) {
1553 mp_msg(MSGT_DEMUX
, MSGL_ERR
,"Extradata too big (%u)\n", cnt
);
1555 sh
->bih
= realloc(sh
->bih
, sizeof(*sh
->bih
) + cnt
);
1556 sh
->bih
->biSize
+= cnt
;
1557 stream_read(demuxer
->stream
, ((unsigned char*)(sh
->bih
+1)), cnt
);
1560 if(sh
->format
== 0x30315652 && ((unsigned char*)(sh
->bih
+1))[6] == 0x30)
1561 sh
->bih
->biCompression
= sh
->format
= mmioFOURCC('R', 'V', '1', '3');
1563 /* Select video stream with highest bitrate if multirate file*/
1564 if (priv
->is_multirate
&& ((demuxer
->video
->id
== -1) ||
1565 ((demuxer
->video
->id
>= 0) && priv
->v_bitrate
&& (bitrate
> priv
->v_bitrate
)))) {
1566 demuxer
->video
->id
= stream_id
;
1567 priv
->v_bitrate
= bitrate
;
1568 mp_msg(MSGT_DEMUX
,MSGL_DBG2
,"Multirate autoselected video id %d with bitrate %d\n", stream_id
, bitrate
);
1571 if(demuxer
->video
->id
==stream_id
){
1572 sh
->ds
=demuxer
->video
;
1573 demuxer
->video
->sh
=sh
;
1580 mp_msg(MSGT_DEMUX
,MSGL_V
,"Unknown video stream format\n");
1582 } else if (strstr(mimet
,"logical-")) {
1583 if (strstr(mimet
,"fileinfo")) {
1584 mp_msg(MSGT_DEMUX
,MSGL_V
,"Got a logical-fileinfo chunk\n");
1585 } else if (strstr(mimet
,"-audio") || strstr(mimet
,"-video")) {
1587 int stream_list
[MAX_STREAMS
];
1589 priv
->is_multirate
= 1;
1590 stream_skip(demuxer
->stream
, 4); // Length of codec data (repeated)
1591 stream_cnt
= stream_read_dword(demuxer
->stream
); // Get number of audio or video streams
1592 if ((unsigned)stream_cnt
>= MAX_STREAMS
) {
1593 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Too many streams in %s. Big troubles ahead.\n", mimet
);
1594 goto skip_this_chunk
;
1596 for (i
= 0; i
< stream_cnt
; i
++)
1597 stream_list
[i
] = stream_read_word(demuxer
->stream
);
1598 for (i
= 0; i
< stream_cnt
; i
++)
1599 if ((unsigned)stream_list
[i
] >= MAX_STREAMS
) {
1600 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Stream id out of range: %d. Ignored.\n", stream_list
[i
]);
1601 stream_skip(demuxer
->stream
, 4); // Skip DATA offset for broken stream
1603 priv
->str_data_offset
[stream_list
[i
]] = stream_read_dword(demuxer
->stream
);
1604 mp_msg(MSGT_DEMUX
,MSGL_V
,"Stream %d with DATA offset 0x%08x\n", stream_list
[i
], priv
->str_data_offset
[stream_list
[i
]]);
1606 // Skip the rest of this chunk
1608 mp_msg(MSGT_DEMUX
,MSGL_V
,"Unknown logical stream\n");
1611 mp_msg(MSGT_DEMUX
, MSGL_ERR
, "Not audio/video stream or unsupported!\n");
1616 /* skip codec info */
1617 tmp
= stream_tell(demuxer
->stream
) - codec_pos
;
1618 mp_msg(MSGT_DEMUX
,MSGL_V
,"### skipping %d bytes of codec info\n", codec_data_size
- tmp
);
1621 for(i
=0;i
<codec_data_size
- tmp
;i
++)
1622 mp_msg(MSGT_DEMUX
, MSGL_V
," %02X",stream_read_char(demuxer
->stream
));
1623 mp_msg(MSGT_DEMUX
, MSGL_V
,"\n");
1626 stream_skip(demuxer
->stream
, codec_data_size
- tmp
);
1632 case MKTAG('D', 'A', 'T', 'A'):
1634 case MKTAG('I', 'N', 'D', 'X'):
1636 mp_msg(MSGT_DEMUX
,MSGL_V
,"Unknown chunk: %x\n", chunk_id
);
1637 stream_skip(demuxer
->stream
, chunk_size
- 10);
1643 if(priv
->is_multirate
) {
1644 mp_msg(MSGT_DEMUX
,MSGL_V
,"Selected video id %d audio id %d\n", demuxer
->video
->id
, demuxer
->audio
->id
);
1645 /* Perform some sanity checks to avoid checking streams id all over the code*/
1646 if (demuxer
->audio
->id
>= MAX_STREAMS
) {
1647 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Invalid audio stream %d. No sound will be played.\n", demuxer
->audio
->id
);
1648 demuxer
->audio
->id
= -2;
1649 } else if ((demuxer
->audio
->id
>= 0) && (priv
->str_data_offset
[demuxer
->audio
->id
] == 0)) {
1650 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Audio stream %d not found. No sound will be played.\n", demuxer
->audio
->id
);
1651 demuxer
->audio
->id
= -2;
1653 if (demuxer
->video
->id
>= MAX_STREAMS
) {
1654 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Invalid video stream %d. No video will be played.\n", demuxer
->video
->id
);
1655 demuxer
->video
->id
= -2;
1656 } else if ((demuxer
->video
->id
>= 0) && (priv
->str_data_offset
[demuxer
->video
->id
] == 0)) {
1657 mp_msg(MSGT_DEMUX
,MSGL_ERR
,"Video stream %d not found. No video will be played.\n", demuxer
->video
->id
);
1658 demuxer
->video
->id
= -2;
1662 if(priv
->is_multirate
&& ((demuxer
->video
->id
>= 0) || (demuxer
->audio
->id
>=0))) {
1663 /* If audio or video only, seek to right place and behave like standard file */
1664 if (demuxer
->video
->id
< 0) {
1665 // Stream is audio only, or -novideo
1666 stream_seek(demuxer
->stream
, priv
->data_chunk_offset
= priv
->str_data_offset
[demuxer
->audio
->id
]+10);
1667 priv
->is_multirate
= 0;
1669 if (demuxer
->audio
->id
< 0) {
1670 // Stream is video only, or -nosound
1671 stream_seek(demuxer
->stream
, priv
->data_chunk_offset
= priv
->str_data_offset
[demuxer
->video
->id
]+10);
1672 priv
->is_multirate
= 0;
1676 if(!priv
->is_multirate
) {
1677 // printf("i=%d num_of_headers=%d \n",i,num_of_headers);
1678 priv
->num_of_packets
= stream_read_dword(demuxer
->stream
);
1679 stream_skip(demuxer
->stream
, 4); /* next data header */
1681 mp_msg(MSGT_DEMUX
,MSGL_V
,"Packets in file: %d\n", priv
->num_of_packets
);
1683 if (priv
->num_of_packets
== 0)
1684 priv
->num_of_packets
= -10;
1686 priv
->audio_curpos
= priv
->str_data_offset
[demuxer
->audio
->id
] + 18;
1687 stream_seek(demuxer
->stream
, priv
->str_data_offset
[demuxer
->audio
->id
]+10);
1688 priv
->a_num_of_packets
= stream_read_dword(demuxer
->stream
);
1689 priv
->video_curpos
= priv
->str_data_offset
[demuxer
->video
->id
] + 18;
1690 stream_seek(demuxer
->stream
, priv
->str_data_offset
[demuxer
->video
->id
]+10);
1691 priv
->v_num_of_packets
= stream_read_dword(demuxer
->stream
);
1692 priv
->stream_switch
= 1;
1693 /* Index required for multirate playback, force building if it's not there */
1694 /* but respect user request to force index regeneration */
1695 if (index_mode
== -1)
1700 priv
->audio_need_keyframe
= 0;
1701 priv
->video_after_seek
= 0;
1703 switch (index_mode
){
1704 case -1: // untouched
1705 if ((demuxer
->stream
->flags
& MP_STREAM_SEEK
) == MP_STREAM_SEEK
&&
1706 priv
->index_chunk_offset
&& parse_index_chunk(demuxer
))
1708 demuxer
->seekable
= 1;
1711 case 1: // use (generate index)
1712 if (priv
->index_chunk_offset
&& parse_index_chunk(demuxer
))
1714 demuxer
->seekable
= 1;
1716 generate_index(demuxer
);
1717 demuxer
->seekable
= 1;
1720 case 2: // force generating index
1721 generate_index(demuxer
);
1722 demuxer
->seekable
= 1;
1724 default: // do nothing
1729 if(demuxer
->video
->id
==-1 && v_streams
>0){
1730 // find the valid video stream:
1731 if(!ds_fill_buffer(demuxer
->video
)){
1732 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "RM: %s",
1733 mp_gtext("No video stream found.\n"));
1736 if(demuxer
->audio
->id
==-1 && a_streams
>0){
1737 // find the valid audio stream:
1738 if(!ds_fill_buffer(demuxer
->audio
)){
1739 mp_msg(MSGT_DEMUXER
, MSGL_INFO
, "RM: %s",
1740 mp_gtext("No audio stream found -> no sound.\n"));
1744 if(demuxer
->video
->sh
){
1745 sh_video_t
*sh
=demuxer
->video
->sh
;
1746 mp_msg(MSGT_DEMUX
,MSGL_V
,"VIDEO: %.4s [%08X,%08X] %dx%d (aspect %4.2f) %4.2f fps\n",
1747 (char *)&sh
->format
,((unsigned int*)(sh
->bih
+1))[1],((unsigned int*)(sh
->bih
+1))[0],
1748 sh
->disp_w
,sh
->disp_h
,sh
->aspect
,sh
->fps
);
1751 if(demuxer
->audio
->sh
){
1752 sh_audio_t
*sh
=demuxer
->audio
->sh
;
1753 mp_msg(MSGT_DEMUX
,MSGL_V
,"AUDIO: %.4s [%08X]\n",
1754 (char *)&sh
->format
,sh
->format
);
1760 static void demux_close_real(demuxer_t
*demuxer
)
1763 real_priv_t
* priv
= demuxer
->priv
;
1766 for(i
=0; i
<MAX_STREAMS
; i
++)
1767 free(priv
->index_table
[i
]);
1768 free(priv
->audio_buf
);
1769 free(priv
->audio_timestamp
);
1776 /* please upload RV10 samples WITH INDEX CHUNK */
1777 static void demux_seek_real(demuxer_t
*demuxer
, float rel_seek_secs
, float audio_delay
, int flags
)
1779 real_priv_t
*priv
= demuxer
->priv
;
1780 demux_stream_t
*d_audio
= demuxer
->audio
;
1781 demux_stream_t
*d_video
= demuxer
->video
;
1782 sh_audio_t
*sh_audio
= d_audio
->sh
;
1783 sh_video_t
*sh_video
= d_video
->sh
;
1784 int vid
= d_video
->id
, aid
= d_audio
->id
;
1785 int next_offset
= 0;
1786 int64_t cur_timestamp
= 0;
1791 if (sh_video
&& (unsigned)vid
< MAX_STREAMS
&& priv
->index_table_size
[vid
])
1793 if (sh_audio
&& (unsigned)aid
< MAX_STREAMS
&& priv
->index_table_size
[aid
])
1796 // printf("streams: %d\n", streams);
1801 if (flags
& SEEK_ABSOLUTE
)
1802 priv
->current_apacket
= priv
->current_vpacket
= 0;
1803 if (flags
& SEEK_FACTOR
)
1804 rel_seek_secs
*= priv
->duration
;
1806 if ((streams
& 1) && priv
->current_vpacket
>= priv
->index_table_size
[vid
])
1807 priv
->current_vpacket
= priv
->index_table_size
[vid
] - 1;
1808 if ((streams
& 2) && priv
->current_apacket
>= priv
->index_table_size
[aid
])
1809 priv
->current_apacket
= priv
->index_table_size
[aid
] - 1;
1811 // if (index_mode == 1 || index_mode == 2) {
1812 if (streams
& 1) {// use the video index if we have one
1813 cur_timestamp
= priv
->index_table
[vid
][priv
->current_vpacket
].timestamp
;
1814 if (rel_seek_secs
> 0)
1815 while ((priv
->index_table
[vid
][priv
->current_vpacket
].timestamp
- cur_timestamp
) < rel_seek_secs
* 1000){
1816 priv
->current_vpacket
+= 1;
1817 if (priv
->current_vpacket
>= priv
->index_table_size
[vid
]) {
1818 priv
->current_vpacket
= priv
->index_table_size
[vid
] - 1;
1820 stream_seek(demuxer
->stream
, priv
->index_table
[vid
][priv
->current_vpacket
].offset
);
1821 add_index_segment(demuxer
, vid
, cur_timestamp
+ rel_seek_secs
* 1000);
1828 else if (rel_seek_secs
< 0) {
1829 while ((cur_timestamp
- priv
->index_table
[vid
][priv
->current_vpacket
].timestamp
) < - rel_seek_secs
* 1000){
1830 priv
->current_vpacket
-= 1;
1831 if (priv
->current_vpacket
< 0) {
1832 priv
->current_vpacket
= 0;
1837 priv
->video_curpos
= priv
->index_table
[vid
][priv
->current_vpacket
].offset
;
1838 priv
->audio_need_keyframe
= !priv
->is_multirate
;
1839 priv
->video_after_seek
= 1;
1842 if (!(streams
& 1)) {
1844 priv
->index_table
[aid
][priv
->current_apacket
].timestamp
;
1846 if (rel_seek_secs
> 0)
1847 while ((priv
->index_table
[aid
][priv
->current_apacket
].timestamp
- cur_timestamp
) < rel_seek_secs
* 1000){
1848 priv
->current_apacket
+= 1;
1849 if (priv
->current_apacket
>= priv
->index_table_size
[aid
]) {
1850 priv
->current_apacket
= priv
->index_table_size
[aid
] - 1;
1854 else if (rel_seek_secs
< 0)
1855 while ((cur_timestamp
- priv
->index_table
[aid
][priv
->current_apacket
].timestamp
) < - rel_seek_secs
* 1000){
1856 priv
->current_apacket
-= 1;
1857 if (priv
->current_apacket
< 0) {
1858 priv
->current_apacket
= 0;
1862 priv
->audio_curpos
= priv
->index_table
[aid
][priv
->current_apacket
].offset
;
1865 next_offset
= streams
& 1 ? priv
->video_curpos
: priv
->audio_curpos
;
1866 // printf("seek: pos: %d, current packets: a: %d, v: %d\n",
1867 // next_offset, priv->current_apacket, priv->current_vpacket);
1869 stream_seek(demuxer
->stream
, next_offset
);
1871 demux_real_fill_buffer(demuxer
, NULL
);
1874 static int demux_real_control(demuxer_t
*demuxer
, int cmd
, void *arg
)
1876 real_priv_t
*priv
= demuxer
->priv
;
1877 unsigned int lastpts
= priv
->v_pts
? priv
->v_pts
: priv
->a_pts
;
1880 case DEMUXER_CTRL_GET_TIME_LENGTH
:
1881 if (priv
->duration
== 0)
1882 return DEMUXER_CTRL_DONTKNOW
;
1884 *((double *)arg
) = (double)priv
->duration
;
1885 return DEMUXER_CTRL_OK
;
1887 case DEMUXER_CTRL_GET_PERCENT_POS
:
1888 if (priv
->duration
== 0)
1889 return DEMUXER_CTRL_DONTKNOW
;
1891 *((int *)arg
) = (int)(100 * lastpts
/ priv
->duration
);
1892 return DEMUXER_CTRL_OK
;
1895 return DEMUXER_CTRL_NOTIMPL
;
1900 const demuxer_desc_t demuxer_desc_real
= {
1901 "Realmedia demuxer",
1904 "Alex Beregszasi, Florian Schneider, A'rpi, Roberto Togni",
1905 "handles new .RMF files",
1907 1, // safe autodetect
1909 demux_real_fill_buffer
,