1 /*****************************************************************************
2 * asf.c : ASFv01 file input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: asf.c,v 1.27 2003/04/24 20:26:32 fenrir Exp $
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 *****************************************************************************/
23 /*****************************************************************************
25 *****************************************************************************/
26 #include <stdlib.h> /* malloc(), free() */
27 #include <string.h> /* strdup() */
29 #include <sys/types.h>
32 #include <vlc/input.h>
37 /*****************************************************************************
39 *****************************************************************************/
40 static int Activate ( vlc_object_t * );
41 static void Deactivate ( vlc_object_t * );
42 static int Demux ( input_thread_t * );
44 /*****************************************************************************
46 *****************************************************************************/
48 set_description( _("ASF v1.0 demuxer (file only)") );
49 set_capability( "demux", 200 );
50 set_callbacks( Activate, Deactivate );
51 add_shortcut( "asf" );
54 static uint16_t GetWLE( uint8_t *p_buff )
56 return( (p_buff[0]) + ( p_buff[1] <<8 ) );
58 static uint32_t GetDWLE( uint8_t *p_buff )
60 return( p_buff[0] + ( p_buff[1] <<8 ) +
61 ( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );
64 /*****************************************************************************
65 * Activate: check file and initializes ASF structures
66 *****************************************************************************/
67 static int Activate( vlc_object_t * p_this )
69 input_thread_t *p_input = (input_thread_t *)p_this;
76 vlc_bool_t b_seekable;
78 /* Initialize access plug-in structures. */
79 if( p_input->i_mtu == 0 )
82 p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
85 p_input->pf_demux = Demux;
87 /* a little test to see if it could be a asf stream */
88 if( input_Peek( p_input, &p_peek, 16 ) < 16 )
90 msg_Warn( p_input, "ASF v1.0 plugin discarded (cannot peek)" );
93 GetGUID( &guid, p_peek );
94 if( !CmpGUID( &guid, &asf_object_header_guid ) )
96 msg_Warn( p_input, "ASF v1.0 plugin discarded (not a valid file)" );
100 /* create our structure that will contains all data */
101 if( !( p_input->p_demux_data =
102 p_demux = malloc( sizeof( demux_sys_t ) ) ) )
104 msg_Err( p_input, "out of memory" );
107 memset( p_demux, 0, sizeof( demux_sys_t ) );
109 p_demux->i_time = -1;
111 /* Now load all object ( except raw data ) */
112 if( p_input->stream.b_seekable && p_input->stream.i_method == INPUT_METHOD_FILE )
114 b_seekable = VLC_TRUE;
118 b_seekable = VLC_FALSE;
120 if( !ASF_ReadObjectRoot( p_input, &p_demux->root, b_seekable ) )
122 msg_Warn( p_input, "ASF v1.0 plugin discarded (not a valid file)" );
126 /* Check if we have found all mandatory asf object */
127 if( !p_demux->root.p_hdr || !p_demux->root.p_data )
129 ASF_FreeObjectRoot( p_input, &p_demux->root );
131 msg_Warn( p_input, "ASF v1.0 plugin discarded (not a valid file)" );
135 if( !( p_demux->p_fp = ASF_FindObject( p_demux->root.p_hdr,
136 &asf_object_file_properties_guid, 0 ) ) )
138 ASF_FreeObjectRoot( p_input, &p_demux->root );
140 msg_Warn( p_input, "ASF v1.0 plugin discarded (missing file_properties object)" );
144 if( p_demux->p_fp->i_min_data_packet_size != p_demux->p_fp->i_max_data_packet_size )
146 ASF_FreeObjectRoot( p_input, &p_demux->root );
148 msg_Warn( p_input, "ASF v1.0 plugin discarded (invalid file_properties object)" );
152 p_demux->i_streams = ASF_CountObject( p_demux->root.p_hdr,
153 &asf_object_stream_properties_guid );
154 if( !p_demux->i_streams )
156 ASF_FreeObjectRoot( p_input, &p_demux->root );
158 msg_Warn( p_input, "ASF plugin discarded (cannot find any stream!)" );
163 input_info_category_t *p_cat = input_InfoCategory( p_input, "Asf" );
164 msg_Dbg( p_input, "found %d streams", p_demux->i_streams );
165 input_AddInfo( p_cat, _("Number of streams"), "%d" , p_demux->i_streams );
168 /* create one program */
169 vlc_mutex_lock( &p_input->stream.stream_lock );
170 if( input_InitStream( p_input, 0 ) == -1)
172 vlc_mutex_unlock( &p_input->stream.stream_lock );
173 msg_Err( p_input, "cannot init stream" );
176 if( input_AddProgram( p_input, 0, 0) == NULL )
178 vlc_mutex_unlock( &p_input->stream.stream_lock );
179 msg_Err( p_input, "cannot add program" );
182 p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
183 p_input->stream.i_mux_rate = 0 ; /* FIXME */
184 vlc_mutex_unlock( &p_input->stream.stream_lock );
186 for( i_stream = 0; i_stream < p_demux->i_streams; i_stream ++ )
188 asf_stream_t *p_stream;
189 asf_object_stream_properties_t *p_sp;
190 char psz_cat[sizeof("Stream ")+10];
191 input_info_category_t *p_cat;
192 sprintf( psz_cat, "Stream %d", i_stream );
193 p_cat = input_InfoCategory( p_input, psz_cat);
195 p_sp = ASF_FindObject( p_demux->root.p_hdr,
196 &asf_object_stream_properties_guid,
200 p_demux->stream[p_sp->i_stream_number] =
201 malloc( sizeof( asf_stream_t ) );
202 memset( p_stream, 0, sizeof( asf_stream_t ) );
204 p_stream->i_time = -1;
205 p_stream->p_sp = p_sp;
207 vlc_mutex_lock( &p_input->stream.stream_lock );
209 input_AddES( p_input,
210 p_input->stream.p_selected_program,
211 p_sp->i_stream_number,
214 vlc_mutex_unlock( &p_input->stream.stream_lock );
215 if( CmpGUID( &p_sp->i_stream_type, &asf_object_stream_type_audio ) )
218 if( p_sp->p_type_specific_data )
220 i_codec = GetWLE( p_sp->p_type_specific_data );
227 p_stream->i_cat = AUDIO_ES;
228 input_AddInfo( p_cat, _("Type"), _("Audio") );
230 "adding new audio stream(codec:0x%x,ID:%d)",
232 p_sp->i_stream_number );
236 p_stream->p_es->i_fourcc =
237 VLC_FOURCC( 'a', 'r', 'a', 'w' );
241 p_stream->p_es->i_fourcc =
242 VLC_FOURCC( 'm','p','g','a' );
245 p_stream->p_es->i_fourcc =
246 VLC_FOURCC( 'a','5','2',' ' );
249 p_stream->p_es->i_fourcc =
250 VLC_FOURCC( 'w','m','a','1' );
253 p_stream->p_es->i_fourcc =
254 VLC_FOURCC( 'w','m','a','2' );
257 p_stream->p_es->i_fourcc =
258 VLC_FOURCC( 'm','s',(i_codec >> 8)&0xff,i_codec&0xff );
260 input_AddInfo( p_cat, _("Codec"), "%.4s", (char*)&p_stream->p_es->i_fourcc );
261 if( p_sp->i_type_specific_data_length > 0 )
267 i_size = p_sp->i_type_specific_data_length;
269 p_wf = malloc( i_size );
270 p_stream->p_es->p_waveformatex = (void*)p_wf;
271 p_data = p_sp->p_type_specific_data;
273 p_wf->wFormatTag = GetWLE( p_data );
274 p_wf->nChannels = GetWLE( p_data + 2 );
275 input_AddInfo( p_cat, _("Channels"), "%d", p_wf->nChannels );
276 p_wf->nSamplesPerSec = GetDWLE( p_data + 4 );
277 input_AddInfo( p_cat, _("Sample Rate"), "%d", p_wf->nSamplesPerSec );
278 p_wf->nAvgBytesPerSec = GetDWLE( p_data + 8 );
279 input_AddInfo( p_cat, _("Avg. byterate"), "%d", p_wf->nAvgBytesPerSec );
280 p_wf->nBlockAlign = GetWLE( p_data + 12 );
281 p_wf->wBitsPerSample = GetWLE( p_data + 14 );
282 input_AddInfo( p_cat, _("Bits Per Sample"), "%d", p_wf->wBitsPerSample );
283 p_wf->cbSize = __MAX( 0,
284 i_size - sizeof( WAVEFORMATEX ));
285 if( i_size > sizeof( WAVEFORMATEX ) )
287 memcpy( (uint8_t*)p_wf + sizeof( WAVEFORMATEX ),
288 p_data + sizeof( WAVEFORMATEX ),
289 i_size - sizeof( WAVEFORMATEX ) );
295 if( CmpGUID( &p_sp->i_stream_type, &asf_object_stream_type_video ) )
297 p_stream->i_cat = VIDEO_ES;
298 input_AddInfo( p_cat, _("Type"), _("Video") );
300 "adding new video stream(ID:%d)",
301 p_sp->i_stream_number );
302 if( p_sp->p_type_specific_data )
304 p_stream->p_es->i_fourcc =
305 VLC_FOURCC( p_sp->p_type_specific_data[27],
306 p_sp->p_type_specific_data[28],
307 p_sp->p_type_specific_data[29],
308 p_sp->p_type_specific_data[30] );
312 p_stream->p_es->i_fourcc =
313 VLC_FOURCC( 'u','n','d','f' );
315 input_AddInfo( p_cat, _("Codec"), "%.4s", (char*)&p_stream->p_es->i_fourcc );
316 if( p_sp->i_type_specific_data_length > 11 )
318 BITMAPINFOHEADER *p_bih;
322 i_size = p_sp->i_type_specific_data_length - 11;
324 p_bih = malloc( i_size );
325 p_stream->p_es->p_bitmapinfoheader = (void*)p_bih;
326 p_data = p_sp->p_type_specific_data + 11;
328 p_bih->biSize = GetDWLE( p_data );
329 input_AddInfo( p_cat, _("Size"), "%d", p_bih->biSize );
330 p_bih->biWidth = GetDWLE( p_data + 4 );
331 p_bih->biHeight = GetDWLE( p_data + 8 );
332 input_AddInfo( p_cat, _("Resolution"), "%dx%d", p_bih->biWidth, p_bih->biHeight );
333 p_bih->biPlanes = GetDWLE( p_data + 12 );
334 input_AddInfo( p_cat, _("Planes"), "%d", p_bih->biPlanes );
335 p_bih->biBitCount = GetDWLE( p_data + 14 );
336 input_AddInfo( p_cat, _("Bits Per Pixel"), "%d", p_bih->biBitCount );
337 p_bih->biCompression= GetDWLE( p_data + 16 );
338 p_bih->biSizeImage = GetDWLE( p_data + 20 );
339 input_AddInfo( p_cat, _("Image Size"), "%d", p_bih->biSizeImage );
340 p_bih->biXPelsPerMeter = GetDWLE( p_data + 24 );
341 input_AddInfo( p_cat, _("X pixels per meter"), "%d", p_bih->biXPelsPerMeter );
342 p_bih->biYPelsPerMeter = GetDWLE( p_data + 28 );
343 input_AddInfo( p_cat, _("Y pixels per meter"), "%d", p_bih->biYPelsPerMeter );
344 p_bih->biClrUsed = GetDWLE( p_data + 32 );
345 p_bih->biClrImportant = GetDWLE( p_data + 36 );
347 if( i_size > sizeof( BITMAPINFOHEADER ) )
349 memcpy( (uint8_t*)p_bih + sizeof( BITMAPINFOHEADER ),
350 p_data + sizeof( BITMAPINFOHEADER ),
351 i_size - sizeof( BITMAPINFOHEADER ) );
358 p_stream->i_cat = UNKNOWN_ES;
360 "ignoring unknown stream(ID:%d)",
361 p_sp->i_stream_number );
362 p_stream->p_es->i_fourcc = VLC_FOURCC( 'u','n','d','f' );
364 p_stream->p_es->i_cat = p_stream->i_cat;
366 vlc_mutex_lock( &p_input->stream.stream_lock );
367 if( p_stream->p_es->i_fourcc != VLC_FOURCC( 'u','n','d','f' ) )
369 input_SelectES( p_input, p_stream->p_es );
371 vlc_mutex_unlock( &p_input->stream.stream_lock );
375 p_demux->i_data_begin = p_demux->root.p_data->i_object_pos + 50;
376 if( p_demux->root.p_data->i_object_size != 0 )
378 p_demux->i_data_end = p_demux->root.p_data->i_object_pos +
379 p_demux->root.p_data->i_object_size;
383 p_demux->i_data_end = -1;
387 // go to first packet
388 ASF_SeekAbsolute( p_input, p_demux->i_data_begin );
390 vlc_mutex_lock( &p_input->stream.stream_lock );
391 /* try to calculate movie time */
392 if( p_demux->p_fp->i_data_packets_count > 0 )
397 /* real number of packets */
398 i_count = ( p_input->stream.p_selected_area->i_size -
399 p_demux->i_data_begin ) /
400 p_demux->p_fp->i_min_data_packet_size;
401 /* calculate the time duration in s */
402 i_length = (mtime_t)p_demux->p_fp->i_play_duration / 10 *
404 (mtime_t)p_demux->p_fp->i_data_packets_count /
408 p_input->stream.i_mux_rate =
409 p_input->stream.p_selected_area->i_size / 50 / i_length;
413 p_input->stream.i_mux_rate = 0;
420 p_input->stream.i_mux_rate = 0;
425 p_input->stream.p_selected_program->b_is_ok = 1;
426 vlc_mutex_unlock( &p_input->stream.stream_lock );
432 static mtime_t GetMoviePTS( demux_sys_t *p_demux )
438 for( i_stream = 0; i_stream < 128 ; i_stream++ )
440 #define p_stream p_demux->stream[i_stream]
441 if( p_stream && p_stream->p_es && p_stream->p_es->p_decoder_fifo && p_stream->i_time > 0)
445 i_time = p_stream->i_time;
449 i_time = __MIN( i_time, p_stream->i_time );
458 /*****************************************************************************
459 * Demux: read packet and send them to decoders
460 *****************************************************************************/
461 #define GETVALUE2b( bits, var, def ) \
462 switch( (bits)&0x03 ) \
464 case 1: var = p_peek[i_skip]; i_skip++; break; \
465 case 2: var = GetWLE( p_peek + i_skip ); i_skip+= 2; break; \
466 case 3: var = GetDWLE( p_peek + i_skip ); i_skip+= 4; break; \
468 default: var = def; break;\
471 static int DemuxPacket( input_thread_t *p_input, vlc_bool_t b_play_audio )
473 demux_sys_t *p_demux = p_input->p_demux_data;
474 int i_data_packet_min = p_demux->p_fp->i_min_data_packet_size;
478 int i_packet_size_left;
480 int i_packet_property;
482 int b_packet_multiple_payload;
484 int i_packet_sequence;
485 int i_packet_padding_length;
487 uint32_t i_packet_send_time;
488 uint16_t i_packet_duration;
491 int i_payload_length_type;
494 if( input_Peek( p_input, &p_peek, i_data_packet_min ) < i_data_packet_min )
497 msg_Warn( p_input, "cannot peek while getting new packet, EOF ?" );
502 /* *** parse error correction if present *** */
505 unsigned int i_error_correction_length_type;
506 unsigned int i_error_correction_data_length;
507 unsigned int i_opaque_data_present;
509 i_error_correction_data_length = p_peek[0] & 0x0f; // 4bits
510 i_opaque_data_present = ( p_peek[0] >> 4 )& 0x01; // 1bit
511 i_error_correction_length_type = ( p_peek[0] >> 5 ) & 0x03; // 2bits
512 i_skip += 1; // skip error correction flags
514 if( i_error_correction_length_type != 0x00 ||
515 i_opaque_data_present != 0 ||
516 i_error_correction_data_length != 0x02 )
518 goto loop_error_recovery;
521 i_skip += i_error_correction_data_length;
525 msg_Warn( p_input, "p_peek[0]&0x80 != 0x80" );
529 if( i_skip + 2 >= i_data_packet_min )
531 goto loop_error_recovery;
534 i_packet_flags = p_peek[i_skip]; i_skip++;
535 i_packet_property = p_peek[i_skip]; i_skip++;
537 b_packet_multiple_payload = i_packet_flags&0x01;
539 /* read some value */
540 GETVALUE2b( i_packet_flags >> 5, i_packet_length, i_data_packet_min );
541 GETVALUE2b( i_packet_flags >> 1, i_packet_sequence, 0 );
542 GETVALUE2b( i_packet_flags >> 3, i_packet_padding_length, 0 );
544 i_packet_send_time = GetDWLE( p_peek + i_skip ); i_skip += 4;
545 i_packet_duration = GetWLE( p_peek + i_skip ); i_skip += 2;
547 // i_packet_size_left = i_packet_length; // XXX données reellement lu
548 /* FIXME I have to do that for some file, I don't known why */
549 i_packet_size_left = i_data_packet_min;
551 if( b_packet_multiple_payload )
553 i_payload_count = p_peek[i_skip] & 0x3f;
554 i_payload_length_type = ( p_peek[i_skip] >> 6 )&0x03;
560 i_payload_length_type = 0x02; // unused
563 for( i_payload = 0; i_payload < i_payload_count ; i_payload++ )
565 asf_stream_t *p_stream;
568 int i_media_object_number;
569 int i_media_object_offset;
570 int i_replicated_data_length;
571 int i_payload_data_length;
572 int i_payload_data_pos;
573 int i_sub_payload_data_length;
579 if( i_skip >= i_packet_size_left )
581 /* prevent some segfault with invalid file */
585 i_stream_number = p_peek[i_skip] & 0x7f;
588 GETVALUE2b( i_packet_property >> 4, i_media_object_number, 0 );
589 GETVALUE2b( i_packet_property >> 2, i_tmp, 0 );
590 GETVALUE2b( i_packet_property, i_replicated_data_length, 0 );
592 if( i_replicated_data_length > 1 ) // should be at least 8 bytes
594 i_pts = (mtime_t)GetDWLE( p_peek + i_skip + 4 ) * 1000;
595 i_skip += i_replicated_data_length;
598 i_media_object_offset = i_tmp;
600 if( i_skip >= i_packet_size_left )
605 else if( i_replicated_data_length == 1 )
608 msg_Dbg( p_input, "found compressed payload" );
610 i_pts = (mtime_t)i_tmp * 1000;
611 i_pts_delta = (mtime_t)p_peek[i_skip] * 1000; i_skip++;
613 i_media_object_offset = 0;
617 i_pts = (mtime_t)i_packet_send_time * 1000;
620 i_media_object_offset = i_tmp;
623 i_pts = __MAX( i_pts - p_demux->p_fp->i_preroll * 1000, 0 );
624 if( b_packet_multiple_payload )
626 GETVALUE2b( i_payload_length_type, i_payload_data_length, 0 );
630 i_payload_data_length = i_packet_length -
631 i_packet_padding_length - i_skip;
634 if( i_payload_data_length < 0 || i_skip + i_payload_data_length > i_packet_size_left )
641 "payload(%d/%d) stream_number:%d media_object_number:%d media_object_offset:%d replicated_data_length:%d payload_data_length %d",
645 i_media_object_number,
646 i_media_object_offset,
647 i_replicated_data_length,
648 i_payload_data_length );
651 if( !( p_stream = p_demux->stream[i_stream_number] ) )
654 "undeclared stream[Id 0x%x]", i_stream_number );
655 i_skip += i_payload_data_length;
656 continue; // over payload
659 if( !p_stream->p_es || !p_stream->p_es->p_decoder_fifo )
661 i_skip += i_payload_data_length;
666 for( i_payload_data_pos = 0;
667 i_payload_data_pos < i_payload_data_length &&
668 i_packet_size_left > 0;
669 i_payload_data_pos += i_sub_payload_data_length )
671 data_packet_t *p_data;
673 // read sub payload length
674 if( i_replicated_data_length == 1 )
676 i_sub_payload_data_length = p_peek[i_skip]; i_skip++;
677 i_payload_data_pos++;
681 i_sub_payload_data_length = i_payload_data_length;
684 /* FIXME I don't use i_media_object_number, sould I ? */
685 if( p_stream->p_pes && i_media_object_offset == 0 ) {
686 /* send complete packet to decoder */
687 if( p_stream->p_pes->i_pes_size > 0 )
689 if( p_stream->p_es->p_decoder_fifo &&
690 ( b_play_audio || p_stream->i_cat != AUDIO_ES ) )
692 input_DecodePES( p_stream->p_es->p_decoder_fifo,
697 input_DeletePES( p_input->p_method_data,
700 p_stream->p_pes = NULL;
704 if( !p_stream->p_pes ) // add a new PES
707 ( (mtime_t)i_pts + i_payload * (mtime_t)i_pts_delta );
709 p_stream->p_pes = input_NewPES( p_input->p_method_data );
710 p_stream->p_pes->i_dts =
711 p_stream->p_pes->i_pts =
712 input_ClockGetTS( p_input,
713 p_input->stream.p_selected_program,
714 p_stream->i_time * 9 /100 );
716 //msg_Err( p_input, "stream[0x%2x] pts=%lld", i_stream_number, p_stream->p_pes->i_pts );
717 p_stream->p_pes->p_next = NULL;
718 p_stream->p_pes->i_nb_data = 0;
719 p_stream->p_pes->i_pes_size = 0;
722 i_read = i_sub_payload_data_length + i_skip;
723 if( input_SplitBuffer( p_input, &p_data, i_read ) < i_read )
725 msg_Warn( p_input, "cannot read data" );
728 p_data->p_payload_start += i_skip;
729 i_packet_size_left -= i_read;
732 if( !p_stream->p_pes->p_first )
734 p_stream->p_pes->p_first = p_stream->p_pes->p_last = p_data;
738 p_stream->p_pes->p_last->p_next = p_data;
739 p_stream->p_pes->p_last = p_data;
741 p_stream->p_pes->i_pes_size += i_sub_payload_data_length;
742 p_stream->p_pes->i_nb_data++;
745 if( i_packet_size_left > 0 )
747 if( input_Peek( p_input, &p_peek, i_packet_size_left ) < i_packet_size_left )
750 msg_Warn( p_input, "cannot peek, EOF ?" );
757 if( i_packet_size_left > 0 )
759 if( !ASF_SkipBytes( p_input, i_packet_size_left ) )
761 msg_Warn( p_input, "cannot skip data, EOF ?" );
769 msg_Warn( p_input, "unsupported packet header" );
770 if( p_demux->p_fp->i_min_data_packet_size != p_demux->p_fp->i_max_data_packet_size )
772 msg_Err( p_input, "unsupported packet header, fatal error" );
775 ASF_SkipBytes( p_input, i_data_packet_min );
780 static int Demux( input_thread_t *p_input )
782 demux_sys_t *p_demux = p_input->p_demux_data;
783 vlc_bool_t b_play_audio;
787 b_stream = VLC_FALSE;
788 for( i = 0; i < 128; i++ )
790 if( p_demux->stream[i] &&
791 p_demux->stream[i]->p_es &&
792 p_demux->stream[i]->p_es->p_decoder_fifo )
799 msg_Warn( p_input, "no stream selected, exiting..." );
803 /* catch seek from user */
804 if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT )
808 msleep( p_input->i_pts_delay );
809 i_offset = ASF_TellAbsolute( p_input ) - p_demux->i_data_begin;
815 /* XXX work only when i_min_data_packet_size == i_max_data_packet_size */
816 i_offset += p_demux->p_fp->i_min_data_packet_size -
817 i_offset % p_demux->p_fp->i_min_data_packet_size;
818 ASF_SeekAbsolute( p_input, p_demux->i_data_begin + i_offset );
820 p_demux->i_time = -1;
821 for( i = 0; i < 128 ; i++ )
823 #define p_stream p_demux->stream[i]
826 p_stream->i_time = -1;
832 vlc_mutex_lock( &p_input->stream.stream_lock );
833 if( p_input->stream.control.i_rate == DEFAULT_RATE )
835 b_play_audio = VLC_TRUE;
841 b_play_audio = VLC_TRUE;
842 for( i = 0; i < 128; i++ )
844 if( p_demux->stream[i] &&
845 p_demux->stream[i]->i_cat == VIDEO_ES &&
846 p_demux->stream[i]->p_es &&
847 p_demux->stream[i]->p_es->p_decoder_fifo )
849 /* there is at least ine video track so no need to play audio */
850 b_play_audio = VLC_FALSE;
854 vlc_mutex_unlock( &p_input->stream.stream_lock );
859 mtime_t i_time_begin = GetMoviePTS( p_demux );
867 if( ( i_result = DemuxPacket( p_input, b_play_audio ) ) <= 0 )
871 if( i_time_begin == -1 )
873 i_time_begin = GetMoviePTS( p_demux );
877 i_length = GetMoviePTS( p_demux ) - i_time_begin;
878 if( i_length < 0 || i_length >= 40 * 1000 )
885 p_demux->i_time = GetMoviePTS( p_demux );
886 if( p_demux->i_time >= 0 )
888 /* update pcr XXX in mpeg scale so in 90000 unit/s */
889 p_demux->i_pcr = p_demux->i_time * 9 / 100;
891 /* first wait for the good time to read next packets */
892 input_ClockManageRef( p_input,
893 p_input->stream.p_selected_program,
900 /*****************************************************************************
901 * MP4End: frees unused data
902 *****************************************************************************/
903 static void Deactivate( vlc_object_t * p_this )
906 if( p ) { free( p ); }
908 input_thread_t * p_input = (input_thread_t *)p_this;
909 demux_sys_t *p_demux = p_input->p_demux_data;
912 msg_Dbg( p_input, "Freeing all memory" );
913 ASF_FreeObjectRoot( p_input, &p_demux->root );
914 for( i_stream = 0; i_stream < 128; i_stream++ )
916 #define p_stream p_demux->stream[i_stream]
919 if( p_stream->p_pes )
921 input_DeletePES( p_input->p_method_data, p_stream->p_pes );
927 FREE( p_input->p_demux_data );