1 /*****************************************************************************
2 * real.c: Real demuxer.
3 *****************************************************************************
4 * Copyright (C) 2004, 2006-2007 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
25 * Status of this demuxer:
29 * version v3 w/ 14_4/lpcJ is ok.
30 * version v4/5: - atrac3 is ok.
32 * - raac, racp are ok.
33 * - dnet is twisted "The byte order of the data is reversed
34 * from standard AC3" but ok
37 * - ralf is unsupported, but hardly any sample exist.
38 * - mp3 is unsupported, one sample exists...
42 * v3 and v4/5 headers are parsed.
46 /*****************************************************************************
48 *****************************************************************************/
54 #include <vlc_common.h>
55 #include <vlc_plugin.h>
57 #include <vlc_demux.h>
58 #include <vlc_charset.h>
63 /*****************************************************************************
65 *****************************************************************************/
66 static int Open ( vlc_object_t * );
67 static void Close ( vlc_object_t * );
70 set_description( N_("Real demuxer" ) )
71 set_capability( "demux", 50 )
72 set_category( CAT_INPUT )
73 set_subcategory( SUBCAT_INPUT_DEMUX )
74 set_callbacks( Open, Close )
75 add_shortcut( "real", "rm" )
78 /*****************************************************************************
80 *****************************************************************************/
94 int i_frame_slice_count;
99 int i_coded_frame_size;
103 block_t **p_subpackets;
104 mtime_t *p_subpackets_timecode;
107 block_t *p_sipr_packet;
108 int i_sipr_subpacket_count;
114 uint32_t i_file_offset;
115 uint32_t i_time_offset;
116 uint32_t i_frame_index;
121 int64_t i_data_offset;
123 uint32_t i_data_packets_count;
124 uint32_t i_data_packets;
125 int64_t i_data_offset_next;
129 int64_t i_our_duration;
134 char* psz_description;
137 real_track_t **track;
140 uint8_t buffer[65536];
144 int64_t i_index_offset;
146 real_index_t *p_index;
149 static const unsigned char i_subpacket_size_sipr[4] = { 29, 19, 37, 20 };
151 static int Demux( demux_t * );
152 static int Control( demux_t *, int i_query, va_list args );
155 static void DemuxVideo( demux_t *, real_track_t *tk, mtime_t i_dts, unsigned i_flags );
156 static void DemuxAudio( demux_t *, real_track_t *tk, mtime_t i_pts, unsigned i_flags );
158 static int ControlSeekByte( demux_t *, int64_t i_bytes );
159 static int ControlSeekTime( demux_t *, mtime_t i_time );
161 static int HeaderRead( demux_t *p_demux );
162 static int CodecParse( demux_t *p_demux, int i_len, int i_num );
164 static void RVoid( const uint8_t **pp_data, int *pi_data, int i_size );
165 static int RLength( const uint8_t **pp_data, int *pi_data );
166 static uint8_t R8( const uint8_t **pp_data, int *pi_data );
167 static uint16_t R16( const uint8_t **pp_data, int *pi_data );
168 static uint32_t R32( const uint8_t **pp_data, int *pi_data );
169 static void SiprPacketReorder(uint8_t *buf, int sub_packet_h, int framesize);
171 /*****************************************************************************
173 *****************************************************************************/
174 static int Open( vlc_object_t *p_this )
176 demux_t *p_demux = (demux_t*)p_this;
179 const uint8_t *p_peek;
180 bool b_real_audio = false;
182 if( stream_Peek( p_demux->s, &p_peek, 10 ) < 10 )
186 if( !memcmp( p_peek, ".ra", 3 ) )
188 msg_Err( p_demux, ".ra files unsuported" );
191 /* Real Media Format */
192 else if( memcmp( p_peek, ".RMF", 4 ) )
197 /* Fill p_demux field */
198 p_demux->pf_demux = Demux;
199 p_demux->pf_control = Control;
201 p_demux->p_sys = p_sys = calloc( 1, sizeof( *p_sys ) );
205 p_sys->i_data_offset = 0;
208 p_sys->i_pcr = VLC_TS_INVALID;
210 p_sys->b_seek = false;
211 p_sys->b_real_audio = b_real_audio;
213 /* Parse the headers */
214 /* Real Audio files */
217 CodecParse( p_demux, 32, 0 ); /* At least 32 */
218 return VLC_EGENERIC; /* We don't know how to read
219 correctly the data yet */
222 else if( HeaderRead( p_demux ) )
224 msg_Err( p_demux, "invalid header" );
232 /*****************************************************************************
234 *****************************************************************************/
235 static void Close( vlc_object_t *p_this )
237 demux_t *p_demux = (demux_t*)p_this;
238 demux_sys_t *p_sys = p_demux->p_sys;
240 for( int i = 0; i < p_sys->i_track; i++ )
242 real_track_t *tk = p_sys->track[i];
244 es_format_Clean( &tk->fmt );
247 block_Release( tk->p_frame );
249 for( int j = 0; j < tk->i_subpackets; j++ )
251 if( tk->p_subpackets[ j ] )
252 block_Release( tk->p_subpackets[ j ] );
254 if( tk->i_subpackets )
256 free( tk->p_subpackets );
257 free( tk->p_subpackets_timecode );
259 if( tk->p_sipr_packet )
260 block_Release( tk->p_sipr_packet );
263 if( p_sys->i_track > 0 )
264 free( p_sys->track );
266 free( p_sys->psz_title );
267 free( p_sys->psz_artist );
268 free( p_sys->psz_copyright );
269 free( p_sys->psz_description );
270 free( p_sys->p_index );
276 /*****************************************************************************
278 *****************************************************************************/
279 static int Demux( demux_t *p_demux )
281 demux_sys_t *p_sys = p_demux->p_sys;
284 if( p_sys->i_data_packets >= p_sys->i_data_packets_count &&
285 p_sys->i_data_packets_count )
287 if( stream_Read( p_demux->s, header, 18 ) < 18 )
290 if( memcmp( header, "DATA", 4 ) )
293 p_sys->i_data_offset = stream_Tell( p_demux->s ) - 18;
294 p_sys->i_data_size = GetDWBE( &header[4] );
295 p_sys->i_data_packets_count = GetDWBE( &header[10] );
296 p_sys->i_data_packets = 0;
297 p_sys->i_data_offset_next = GetDWBE( &header[14] );
299 msg_Dbg( p_demux, "entering new DATA packets=%d next=%u",
300 p_sys->i_data_packets_count,
301 (unsigned int)p_sys->i_data_offset_next );
304 /* Read Packet Header */
305 if( stream_Read( p_demux->s, header, 12 ) < 12 )
307 //const int i_version = GetWBE( &header[0] );
308 const size_t i_size = GetWBE( &header[2] ) - 12;
309 const int i_id = GetWBE( &header[4] );
310 const int64_t i_pts = VLC_TS_0 + 1000 * GetDWBE( &header[6] );
311 const int i_flags= header[11]; /* flags 0x02 -> keyframe */
313 p_sys->i_data_packets++;
314 if( i_size > sizeof(p_sys->buffer) )
316 msg_Err( p_demux, "Got a NUKK size to read. (Invalid format?)" );
320 p_sys->i_buffer = stream_Read( p_demux->s, p_sys->buffer, i_size );
321 if( p_sys->i_buffer < i_size )
324 real_track_t *tk = NULL;
325 for( int i = 0; i < p_sys->i_track; i++ )
327 if( p_sys->track[i]->i_id == i_id )
328 tk = p_sys->track[i];
333 msg_Warn( p_demux, "unknown track id(0x%x)", i_id );
337 if( tk->fmt.i_cat == VIDEO_ES )
339 DemuxVideo( p_demux, tk, i_pts, i_flags );
343 assert( tk->fmt.i_cat == AUDIO_ES );
344 DemuxAudio( p_demux, tk, i_pts, i_flags );
348 mtime_t i_pcr = VLC_TS_INVALID;
349 for( int i = 0; i < p_sys->i_track; i++ )
351 real_track_t *tk = p_sys->track[i];
353 if( i_pcr <= VLC_TS_INVALID || ( tk->i_last_dts > VLC_TS_INVALID && tk->i_last_dts < i_pcr ) )
354 i_pcr = tk->i_last_dts;
356 if( i_pcr > VLC_TS_INVALID && i_pcr != p_sys->i_pcr )
358 p_sys->i_pcr = i_pcr;
359 es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
364 /*****************************************************************************
366 *****************************************************************************/
367 static int Control( demux_t *p_demux, int i_query, va_list args )
369 demux_sys_t *p_sys = p_demux->p_sys;
376 case DEMUX_GET_POSITION:
377 pf = (double*) va_arg( args, double* );
379 /* read stream size maybe failed in rtsp streaming,
380 so use duration to determin the position at first */
381 if( p_sys->i_our_duration > 0 )
383 if( p_sys->i_pcr > VLC_TS_INVALID )
384 *pf = (double)p_sys->i_pcr / 1000.0 / p_sys->i_our_duration;
390 i64 = stream_Size( p_demux->s );
392 *pf = (double)1.0*stream_Tell( p_demux->s ) / (double)i64;
398 pi64 = (int64_t*)va_arg( args, int64_t * );
400 if( p_sys->i_our_duration > 0 )
402 *pi64 = p_sys->i_pcr > VLC_TS_INVALID ? p_sys->i_pcr : 0;
406 /* same as GET_POSTION */
407 i64 = stream_Size( p_demux->s );
408 if( p_sys->i_our_duration > 0 && i64 > 0 )
410 *pi64 = (int64_t)( 1000.0 * p_sys->i_our_duration * stream_Tell( p_demux->s ) / i64 );
417 case DEMUX_SET_POSITION:
418 f = (double) va_arg( args, double );
419 i64 = (int64_t) ( stream_Size( p_demux->s ) * f );
421 if( !p_sys->p_index && i64 != 0 )
424 msg_Err( p_demux,"Seek No Index Real File failed!" );
425 return VLC_EGENERIC; // no index!
429 /* it is a rtsp stream , it is specials in access/rtsp/... */
430 msg_Dbg(p_demux, "Seek in real rtsp stream!");
431 p_sys->i_pcr = VLC_TS_0 + INT64_C(1000) * ( p_sys->i_our_duration * f );
432 p_sys->b_seek = true;
433 return stream_Seek( p_demux->s, p_sys->i_pcr - VLC_TS_0 );
435 return ControlSeekByte( p_demux, i64 );
438 if( !p_sys->p_index )
441 i64 = (int64_t) va_arg( args, int64_t );
442 return ControlSeekTime( p_demux, i64 );
444 case DEMUX_GET_LENGTH:
445 pi64 = (int64_t*)va_arg( args, int64_t * );
447 if( p_sys->i_our_duration <= 0 )
453 /* our stored duration is in ms, so... */
454 *pi64 = INT64_C(1000) * p_sys->i_our_duration;
459 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
461 /* the core will crash if we provide NULL strings, so check
462 * every string first */
463 if( p_sys->psz_title )
464 vlc_meta_SetTitle( p_meta, p_sys->psz_title );
465 if( p_sys->psz_artist )
466 vlc_meta_SetArtist( p_meta, p_sys->psz_artist );
467 if( p_sys->psz_copyright )
468 vlc_meta_SetCopyright( p_meta, p_sys->psz_copyright );
469 if( p_sys->psz_description )
470 vlc_meta_SetDescription( p_meta, p_sys->psz_description );
481 /*****************************************************************************
483 *****************************************************************************/
484 static void CheckPcr( demux_t *p_demux, real_track_t *tk, mtime_t i_dts )
486 demux_sys_t *p_sys = p_demux->p_sys;
488 if( i_dts > VLC_TS_INVALID )
489 tk->i_last_dts = i_dts;
491 if( p_sys->i_pcr > VLC_TS_INVALID || i_dts <= VLC_TS_INVALID )
494 p_sys->i_pcr = i_dts;
495 es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
498 static void DemuxVideo( demux_t *p_demux, real_track_t *tk, mtime_t i_dts, unsigned i_flags )
500 demux_sys_t *p_sys = p_demux->p_sys;
502 const uint8_t *p_data = p_sys->buffer;
503 int i_data = p_sys->i_buffer;
507 uint8_t i_hdr = R8( &p_data, &i_data );
508 uint8_t i_type = i_hdr >> 6;
517 R8( &p_data, &i_data );
524 else if( i_type == 3 )
526 i_len = RLength( &p_data, &i_data );
527 i_pos = RLength( &p_data, &i_data );
528 i_frame_num = R8( &p_data, &i_data );
534 assert( i_type == 0 || i_type == 2 );
535 i_seq = R8( &p_data, &i_data );
536 i_len = RLength( &p_data, &i_data );
538 i_pos = RLength( &p_data, &i_data );
539 i_frame_num = R8( &p_data, &i_data );
542 if( (i_seq & 0x7f) == 1 || tk->i_frame_num != i_frame_num )
544 tk->i_frame_slice = 0;
545 tk->i_frame_slice_count = 2 * (i_hdr & 0x3f) + 1;
546 tk->i_frame_pos = 2*4 * tk->i_frame_slice_count + 1;
547 tk->i_frame_size = i_len + 2*4 * tk->i_frame_slice_count + 1;
548 tk->i_frame_num = i_frame_num;
551 block_Release( tk->p_frame );
553 tk->p_frame = block_New( p_demux, tk->i_frame_size );
556 tk->i_frame_size = 0;
560 tk->p_frame->i_dts = i_dts;
561 tk->p_frame->i_pts = VLC_TS_INVALID;
563 tk->p_frame->i_flags |= BLOCK_FLAG_TYPE_I;
565 i_dts = VLC_TS_INVALID;
571 i_frame_data = i_len;
575 i_frame_data = i_data;
576 if( i_type == 2 && i_frame_data > i_pos )
577 i_frame_data = i_pos;
579 if( i_frame_data > i_data )
584 if( tk->i_frame_slice > tk->i_frame_slice_count || !tk->p_frame )
588 SetDWLE( &tk->p_frame->p_buffer[2*4*(tk->i_frame_slice-1) + 1 + 0], 1 );
589 SetDWLE( &tk->p_frame->p_buffer[2*4*(tk->i_frame_slice-1) + 1 + 4], tk->i_frame_pos - (2*4 * tk->i_frame_slice_count + 1) );
591 if( tk->i_frame_pos + i_frame_data > tk->i_frame_size )
594 memcpy( &tk->p_frame->p_buffer[tk->i_frame_pos], p_data, i_frame_data );
595 RVoid( &p_data, &i_data, i_frame_data );
596 tk->i_frame_pos += i_frame_data;
598 if( i_type != 0 || tk->i_frame_pos >= tk->i_frame_size )
600 /* Fix the buffer once the real number of slice is known */
601 tk->p_frame->p_buffer[0] = tk->i_frame_slice - 1;
602 tk->p_frame->i_buffer = tk->i_frame_pos - 2*4*( tk->i_frame_slice_count - tk->i_frame_slice );
604 memmove( &tk->p_frame->p_buffer[1+2*4*tk->i_frame_slice ],
605 &tk->p_frame->p_buffer[1+2*4*tk->i_frame_slice_count],
606 tk->i_frame_pos - (2*4*tk->i_frame_slice_count + 1) );
609 CheckPcr( p_demux, tk, tk->p_frame->i_dts );
610 es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
612 tk->i_frame_size = 0;
618 static void DemuxAudioMethod1( demux_t *p_demux, real_track_t *tk, mtime_t i_pts, unsigned int i_flags )
620 demux_sys_t *p_sys = p_demux->p_sys;
621 uint8_t *p_buf = p_sys->buffer;
624 if( (i_flags & 2) || p_sys->b_seek )
627 tk->i_out_subpacket = 0;
628 p_sys->b_seek = false;
631 if( tk->fmt.i_codec == VLC_CODEC_COOK ||
632 tk->fmt.i_codec == VLC_CODEC_ATRAC3 )
634 const int i_num = tk->i_frame_size / tk->i_subpacket_size;
635 const int y = tk->i_subpacket / ( tk->i_frame_size / tk->i_subpacket_size );
637 for( int i = 0; i < i_num; i++ )
639 block_t *p_block = block_New( p_demux, tk->i_subpacket_size );
642 if( &p_buf[tk->i_subpacket_size] > &p_sys->buffer[p_sys->i_buffer] )
645 memcpy( p_block->p_buffer, p_buf, tk->i_subpacket_size );
647 p_block->i_pts = VLC_TS_INVALID;
649 p_buf += tk->i_subpacket_size;
651 int i_index = tk->i_subpacket_h * i +
652 ((tk->i_subpacket_h + 1) / 2) * (y&1) + (y>>1);
654 if( tk->p_subpackets[i_index] != NULL )
656 msg_Dbg(p_demux, "p_subpackets[ %d ] not null!", i_index );
657 block_Release( tk->p_subpackets[i_index] );
660 tk->p_subpackets[i_index] = p_block;
661 if( tk->i_subpacket == 0 )
662 tk->p_subpackets_timecode[0] = i_pts;
668 const int y = tk->i_subpacket / (tk->i_subpacket_h / 2);
669 assert( tk->fmt.i_codec == VLC_CODEC_RA_288 );
671 for( int i = 0; i < tk->i_subpacket_h / 2; i++ )
673 block_t *p_block = block_New( p_demux, tk->i_coded_frame_size);
676 if( &p_buf[tk->i_coded_frame_size] > &p_sys->buffer[p_sys->i_buffer] )
679 int i_index = (i * 2 * tk->i_frame_size / tk->i_coded_frame_size) + y;
681 memcpy( p_block->p_buffer, p_buf, tk->i_coded_frame_size );
683 p_block->i_pts = i_index == 0 ? i_pts : VLC_TS_INVALID;
685 p_buf += tk->i_coded_frame_size;
687 if( tk->p_subpackets[i_index] != NULL )
689 msg_Dbg(p_demux, "p_subpackets[ %d ] not null!", i_index );
690 block_Release( tk->p_subpackets[i_index] );
693 tk->p_subpackets[i_index] = p_block;
698 while( tk->i_out_subpacket != tk->i_subpackets &&
699 tk->p_subpackets[tk->i_out_subpacket] )
701 block_t *p_block = tk->p_subpackets[tk->i_out_subpacket];
702 tk->p_subpackets[tk->i_out_subpacket] = NULL;
704 if( tk->p_subpackets_timecode[tk->i_out_subpacket] )
707 p_block->i_pts = tk->p_subpackets_timecode[tk->i_out_subpacket];
709 tk->p_subpackets_timecode[tk->i_out_subpacket] = 0;
711 tk->i_out_subpacket++;
713 CheckPcr( p_demux, tk, p_block->i_pts );
714 es_out_Send( p_demux->out, tk->p_es, p_block );
717 if( tk->i_subpacket == tk->i_subpackets &&
718 tk->i_out_subpacket != tk->i_subpackets )
720 msg_Warn( p_demux, "i_subpacket != i_out_subpacket, "
721 "this shouldn't happen" );
724 if( tk->i_subpacket == tk->i_subpackets )
727 tk->i_out_subpacket = 0;
731 static void DemuxAudioMethod2( demux_t *p_demux, real_track_t *tk, mtime_t i_pts )
733 demux_sys_t *p_sys = p_demux->p_sys;
735 if( p_sys->i_buffer < 2 )
738 unsigned i_sub = (p_sys->buffer[1] >> 4)&0x0f;
739 if( p_sys->i_buffer < 2+2*i_sub )
742 uint8_t *p_sub = &p_sys->buffer[2+2*i_sub];
744 for( unsigned i = 0; i < i_sub; i++ )
746 const int i_sub_size = GetWBE( &p_sys->buffer[2+i*2] );
747 block_t *p_block = block_New( p_demux, i_sub_size );
751 if( &p_sub[i_sub_size] > &p_sys->buffer[p_sys->i_buffer] )
754 memcpy( p_block->p_buffer, p_sub, i_sub_size );
758 p_block->i_pts = i == 0 ? i_pts : VLC_TS_INVALID;
760 CheckPcr( p_demux, tk, p_block->i_pts );
761 es_out_Send( p_demux->out, tk->p_es, p_block );
764 static void DemuxAudioMethod3( demux_t *p_demux, real_track_t *tk, mtime_t i_pts )
766 demux_sys_t *p_sys = p_demux->p_sys;
768 if( p_sys->i_buffer <= 0 )
771 block_t *p_block = block_New( p_demux, p_sys->i_buffer );
775 if( tk->fmt.i_codec == VLC_CODEC_A52 )
777 uint8_t *p_src = p_sys->buffer;
778 uint8_t *p_dst = p_block->p_buffer;
781 while( p_dst < &p_block->p_buffer[p_sys->i_buffer - 1])
791 memcpy( p_block->p_buffer, p_sys->buffer, p_sys->i_buffer );
794 p_block->i_pts = i_pts;
796 CheckPcr( p_demux, tk, p_block->i_pts );
797 es_out_Send( p_demux->out, tk->p_es, p_block );
800 // Sipr packet re-ordering code and index table borrowed from
801 // the MPlayer Realmedia demuxer.
802 static const uint8_t sipr_swap_index_table[38][2] = {
803 { 0, 63 }, { 1, 22 }, { 2, 44 }, { 3, 90 },
804 { 5, 81 }, { 7, 31 }, { 8, 86 }, { 9, 58 },
805 { 10, 36 }, { 12, 68 }, { 13, 39 }, { 14, 73 },
806 { 15, 53 }, { 16, 69 }, { 17, 57 }, { 19, 88 },
807 { 20, 34 }, { 21, 71 }, { 24, 46 }, { 25, 94 },
808 { 26, 54 }, { 28, 75 }, { 29, 50 }, { 32, 70 },
809 { 33, 92 }, { 35, 74 }, { 38, 85 }, { 40, 56 },
810 { 42, 87 }, { 43, 65 }, { 45, 59 }, { 48, 79 },
811 { 49, 93 }, { 51, 89 }, { 55, 95 }, { 61, 76 },
812 { 67, 83 }, { 77, 80 }
815 static void SiprPacketReorder(uint8_t *buf, int sub_packet_h, int framesize)
817 int n, bs = sub_packet_h * framesize * 2 / 96; // nibbles per subpacket
819 for (n = 0; n < 38; n++) {
821 int i = bs * sipr_swap_index_table[n][0];
822 int o = bs * sipr_swap_index_table[n][1];
824 /* swap 4 bit-nibbles of block 'i' with 'o' */
825 for (j = 0; j < bs; j++, i++, o++) {
826 int x = (buf[i >> 1] >> (4 * (i & 1))) & 0xF,
827 y = (buf[o >> 1] >> (4 * (o & 1))) & 0xF;
829 buf[o >> 1] = (x << (4 * (o & 1))) |
830 (buf[o >> 1] & (0xF << (4 * !(o & 1))));
831 buf[i >> 1] = (y << (4 * (i & 1))) |
832 (buf[i >> 1] & (0xF << (4 * !(i & 1))));
837 static void DemuxAudioSipr( demux_t *p_demux, real_track_t *tk, mtime_t i_pts )
839 demux_sys_t *p_sys = p_demux->p_sys;
840 block_t *p_block = tk->p_sipr_packet;
842 if( p_sys->i_buffer < tk->i_frame_size )
847 p_block = block_New( p_demux, tk->i_frame_size * tk->i_subpacket_h );
850 tk->p_sipr_packet = p_block;
853 memcpy( p_block->p_buffer + tk->i_sipr_subpacket_count * tk->i_frame_size,
854 p_sys->buffer, tk->i_frame_size );
855 if (!tk->i_sipr_subpacket_count)
858 p_block->i_pts = i_pts;
861 if( ++tk->i_sipr_subpacket_count < tk->i_subpacket_h )
864 SiprPacketReorder(p_block->p_buffer, tk->i_subpacket_h, tk->i_frame_size);
865 CheckPcr( p_demux, tk, p_block->i_pts );
866 es_out_Send( p_demux->out, tk->p_es, p_block );
867 tk->i_sipr_subpacket_count = 0;
868 tk->p_sipr_packet = NULL;
871 static void DemuxAudio( demux_t *p_demux, real_track_t *tk, mtime_t i_pts, unsigned i_flags )
873 switch( tk->fmt.i_codec )
876 case VLC_CODEC_ATRAC3:
877 case VLC_CODEC_RA_288:
878 DemuxAudioMethod1( p_demux, tk, i_pts, i_flags );
881 DemuxAudioMethod2( p_demux, tk, i_pts );
884 DemuxAudioSipr( p_demux, tk, i_pts );
887 DemuxAudioMethod3( p_demux, tk, i_pts );
892 /*****************************************************************************
893 * Helpers: seek/control
894 *****************************************************************************/
895 static int ControlGoToIndex( demux_t *p_demux, real_index_t *p_index )
897 demux_sys_t *p_sys = p_demux->p_sys;
899 p_sys->b_seek = true;
900 p_sys->i_pcr = INT64_C(1000) * p_index->i_time_offset;
901 for( int i = 0; i < p_sys->i_track; i++ )
902 p_sys->track[i]->i_last_dts = 0;
903 return stream_Seek( p_demux->s, p_index->i_file_offset );
905 static int ControlSeekTime( demux_t *p_demux, mtime_t i_time )
907 demux_sys_t *p_sys = p_demux->p_sys;
908 real_index_t *p_index = p_sys->p_index;
910 while( p_index->i_file_offset != 0 )
912 if( p_index->i_time_offset * INT64_C(1000) > i_time )
914 if( p_index != p_sys->p_index )
920 if( p_index->i_file_offset == 0 )
922 return ControlGoToIndex( p_demux, p_index );
924 static int ControlSeekByte( demux_t *p_demux, int64_t i_bytes )
926 demux_sys_t *p_sys = p_demux->p_sys;
927 real_index_t *p_index = p_sys->p_index;
929 while( p_index->i_file_offset != 0 )
931 if( p_index->i_file_offset > i_bytes )
933 if( p_index != p_sys->p_index )
939 if( p_index->i_file_offset == 0 )
941 return ControlGoToIndex( p_demux, p_index );
944 /*****************************************************************************
945 * Helpers: header reading
946 *****************************************************************************/
949 * This function will read a pascal string with size stored in 2 bytes from
952 * FIXME what is the right charset ?
954 static char *StreamReadString2( stream_t *s )
958 if( stream_Read( s, p_tmp, 2 ) < 2 )
961 const int i_length = GetWBE( p_tmp );
965 char *psz_string = calloc( 1, i_length + 1 );
967 stream_Read( s, psz_string, i_length ); /* Valid even if !psz_string */
970 EnsureUTF8( psz_string );
975 * This function will read a pascal string with size stored in 1 byte from a
978 * FIXME what is the right charset ?
980 static char *MemoryReadString1( const uint8_t **pp_data, int *pi_data )
982 const uint8_t *p_data = *pp_data;
983 int i_data = *pi_data;
985 char *psz_string = NULL;
990 int i_length = *p_data++; i_data--;
991 if( i_length > i_data )
996 psz_string = strndup( (const char*)p_data, i_length );
998 EnsureUTF8( psz_string );
1011 * This function parses(skip) the .RMF identification chunk.
1013 static int HeaderRMF( demux_t *p_demux )
1015 uint8_t p_buffer[8];
1017 if( stream_Read( p_demux->s, p_buffer, 8 ) < 8 )
1018 return VLC_EGENERIC;
1020 msg_Dbg( p_demux, " - file version=0x%x num headers=%d",
1021 GetDWBE( &p_buffer[0] ), GetDWBE( &p_buffer[4] ) );
1025 * This function parses the PROP properties chunk.
1027 static int HeaderPROP( demux_t *p_demux )
1029 demux_sys_t *p_sys = p_demux->p_sys;
1031 uint8_t p_buffer[40];
1034 if( stream_Read( p_demux->s, p_buffer, 40 ) < 40 )
1035 return VLC_EGENERIC;
1037 msg_Dbg( p_demux, " - max bitrate=%d avg bitrate=%d",
1038 GetDWBE(&p_buffer[0]), GetDWBE(&p_buffer[4]) );
1039 msg_Dbg( p_demux, " - max packet size=%d avg bitrate=%d",
1040 GetDWBE(&p_buffer[8]), GetDWBE(&p_buffer[12]) );
1041 msg_Dbg( p_demux, " - packets count=%d", GetDWBE(&p_buffer[16]) );
1042 msg_Dbg( p_demux, " - duration=%d ms", GetDWBE(&p_buffer[20]) );
1043 msg_Dbg( p_demux, " - preroll=%d ms", GetDWBE(&p_buffer[24]) );
1044 msg_Dbg( p_demux, " - index offset=%d", GetDWBE(&p_buffer[28]) );
1045 msg_Dbg( p_demux, " - data offset=%d", GetDWBE(&p_buffer[32]) );
1046 msg_Dbg( p_demux, " - num streams=%d", GetWBE(&p_buffer[36]) );
1048 /* set the duration for export in control */
1049 p_sys->i_our_duration = GetDWBE(&p_buffer[20]);
1051 p_sys->i_index_offset = GetDWBE(&p_buffer[28]);
1053 i_flags = GetWBE(&p_buffer[38]);
1054 msg_Dbg( p_demux, " - flags=0x%x %s%s%s",
1056 i_flags&0x0001 ? "PN_SAVE_ENABLED " : "",
1057 i_flags&0x0002 ? "PN_PERFECT_PLAY_ENABLED " : "",
1058 i_flags&0x0004 ? "PN_LIVE_BROADCAST" : "" );
1063 * This functions parses the CONT commentairs chunk.
1065 static int HeaderCONT( demux_t *p_demux )
1067 demux_sys_t *p_sys = p_demux->p_sys;
1070 p_sys->psz_title = StreamReadString2( p_demux->s );
1071 if( p_sys->psz_title )
1072 msg_Dbg( p_demux, " - title=`%s'", p_sys->psz_title );
1075 p_sys->psz_artist = StreamReadString2( p_demux->s );
1076 if( p_sys->psz_artist )
1077 msg_Dbg( p_demux, " - artist=`%s'", p_sys->psz_artist );
1080 p_sys->psz_copyright = StreamReadString2( p_demux->s );
1081 if( p_sys->psz_copyright )
1082 msg_Dbg( p_demux, " - copyright=`%s'", p_sys->psz_copyright );
1085 p_sys->psz_description = StreamReadString2( p_demux->s );
1086 if( p_sys->psz_description )
1087 msg_Dbg( p_demux, " - comment=`%s'", p_sys->psz_description );
1092 * This function parses the MDPR (Media properties) chunk.
1094 static int HeaderMDPR( demux_t *p_demux )
1096 uint8_t p_buffer[30];
1098 if( stream_Read( p_demux->s, p_buffer, 30 ) < 30 )
1099 return VLC_EGENERIC;
1101 const int i_num = GetWBE( &p_buffer[0] );
1102 msg_Dbg( p_demux, " - id=0x%x", i_num );
1103 msg_Dbg( p_demux, " - max bitrate=%d avg bitrate=%d",
1104 GetDWBE(&p_buffer[2]), GetDWBE(&p_buffer[6]) );
1105 msg_Dbg( p_demux, " - max packet size=%d avg packet size=%d",
1106 GetDWBE(&p_buffer[10]), GetDWBE(&p_buffer[14]) );
1107 msg_Dbg( p_demux, " - start time=%d", GetDWBE(&p_buffer[18]) );
1108 msg_Dbg( p_demux, " - preroll=%d", GetDWBE(&p_buffer[22]) );
1109 msg_Dbg( p_demux, " - duration=%d", GetDWBE(&p_buffer[26]) );
1112 const uint8_t *p_peek;
1113 int i_peek_org = stream_Peek( p_demux->s, &p_peek, 2 * 256 );
1114 int i_peek = i_peek_org;
1116 return VLC_EGENERIC;
1118 char *psz_name = MemoryReadString1( &p_peek, &i_peek );
1121 msg_Dbg( p_demux, " - name=`%s'", psz_name );
1124 char *psz_mime = MemoryReadString1( &p_peek, &i_peek );
1127 msg_Dbg( p_demux, " - mime=`%s'", psz_mime );
1130 const int i_skip = i_peek_org - i_peek;
1131 if( i_skip > 0 && stream_Read( p_demux->s, NULL, i_skip ) < i_skip )
1132 return VLC_EGENERIC;
1135 if( stream_Read( p_demux->s, p_buffer, 4 ) < 4 )
1136 return VLC_EGENERIC;
1138 const uint32_t i_size = GetDWBE( p_buffer );
1141 CodecParse( p_demux, i_size, i_num );
1142 unsigned size = stream_Read( p_demux->s, NULL, i_size );
1144 return VLC_EGENERIC;
1149 * This function parses DATA chunk (it contains the actual movie data).
1151 static int HeaderDATA( demux_t *p_demux, uint32_t i_size )
1153 demux_sys_t *p_sys = p_demux->p_sys;
1154 uint8_t p_buffer[8];
1156 if( stream_Read( p_demux->s, p_buffer, 8 ) < 8 )
1157 return VLC_EGENERIC;
1159 p_sys->i_data_offset = stream_Tell( p_demux->s ) - 10;
1160 p_sys->i_data_size = i_size;
1161 p_sys->i_data_packets_count = GetDWBE( p_buffer );
1162 p_sys->i_data_packets = 0;
1163 p_sys->i_data_offset_next = GetDWBE( &p_buffer[4] );
1165 msg_Dbg( p_demux, " - packets count=%d next=%u",
1166 p_sys->i_data_packets_count,
1167 (unsigned int)p_sys->i_data_offset_next );
1171 * This function parses the INDX (movie index chunk).
1172 * It is optional but seeking without it is ... hard.
1174 static void HeaderINDX( demux_t *p_demux )
1176 demux_sys_t *p_sys = p_demux->p_sys;
1179 uint32_t i_index_count;
1181 if( p_sys->i_index_offset == 0 )
1184 stream_Seek( p_demux->s, p_sys->i_index_offset );
1186 if( stream_Read( p_demux->s, buffer, 20 ) < 20 )
1189 const uint32_t i_id = VLC_FOURCC( buffer[0], buffer[1], buffer[2], buffer[3] );
1190 const uint32_t i_size = GetDWBE( &buffer[4] );
1191 int i_version = GetWBE( &buffer[8] );
1193 msg_Dbg( p_demux, "Real index %4.4s size=%d version=%d",
1194 (char*)&i_id, i_size, i_version );
1196 if( (i_size < 20) && (i_id != VLC_FOURCC('I','N','D','X')) )
1199 i_index_count = GetDWBE( &buffer[10] );
1201 msg_Dbg( p_demux, "Real Index : num : %d ", i_index_count );
1203 if( i_index_count >= ( 0xffffffff / sizeof(*p_sys->p_index) ) )
1206 if( GetDWBE( &buffer[16] ) > 0 )
1207 msg_Dbg( p_demux, "Real Index: Does next index exist? %d ",
1208 GetDWBE( &buffer[16] ) );
1210 /* One extra entry is allocated (that MUST be set to 0) to identify the
1212 * TODO add a clean entry count (easier to build index on the fly) */
1213 p_sys->p_index = calloc( i_index_count + 1, sizeof(*p_sys->p_index) );
1214 if( !p_sys->p_index )
1217 for( unsigned int i = 0; i < i_index_count; i++ )
1219 uint8_t p_entry[14];
1221 if( stream_Read( p_demux->s, p_entry, 14 ) < 14 )
1224 if( GetWBE( &p_entry[0] ) != 0 )
1226 msg_Dbg( p_demux, "Real Index: invaild version of index entry %d ",
1227 GetWBE( &p_entry[0] ) );
1231 real_index_t *p_idx = &p_sys->p_index[i];
1233 p_idx->i_time_offset = GetDWBE( &p_entry[2] );
1234 p_idx->i_file_offset = GetDWBE( &p_entry[6] );
1235 p_idx->i_frame_index = GetDWBE( &p_entry[10] );
1239 "Real Index: time %"PRIu32" file %"PRIu32" frame %"PRIu32,
1240 p_idx->i_time_offset,
1241 p_idx->i_file_offset,
1242 p_idx->i_frame_index );
1249 * This function parses the complete RM headers and move the
1250 * stream pointer to the data to be read.
1252 static int HeaderRead( demux_t *p_demux )
1254 demux_sys_t *p_sys = p_demux->p_sys;
1258 const int64_t i_stream_position = stream_Tell( p_demux->s );
1259 uint8_t header[100]; /* FIXME */
1261 /* Read the header */
1262 if( stream_Read( p_demux->s, header, 10 ) < 10 )
1263 return VLC_EGENERIC;
1265 const uint32_t i_id = VLC_FOURCC( header[0], header[1],
1266 header[2], header[3] );
1267 const uint32_t i_size = GetDWBE( &header[4] );
1268 const int i_version = GetWBE( &header[8] );
1270 msg_Dbg( p_demux, "object %4.4s size=%d version=%d",
1271 (char*)&i_id, i_size, i_version );
1274 if( i_size < 10 && i_id != VLC_FOURCC('D','A','T','A') )
1276 msg_Dbg( p_demux, "invalid size for object %4.4s", (char*)&i_id );
1277 return VLC_EGENERIC;
1283 case VLC_FOURCC('.','R','M','F'):
1284 i_ret = HeaderRMF( p_demux );
1286 case VLC_FOURCC('P','R','O','P'):
1287 i_ret = HeaderPROP( p_demux );
1289 case VLC_FOURCC('C','O','N','T'):
1290 i_ret = HeaderCONT( p_demux );
1292 case VLC_FOURCC('M','D','P','R'):
1293 i_ret = HeaderMDPR( p_demux );
1295 case VLC_FOURCC('D','A','T','A'):
1296 i_ret = HeaderDATA( p_demux, i_size );
1300 msg_Dbg( p_demux, "unknown chunk" );
1301 i_ret = VLC_SUCCESS;
1307 if( i_id == VLC_FOURCC('D','A','T','A') ) /* In this case, parsing is finished */
1310 /* Skip unread data */
1311 const int64_t i_stream_current = stream_Tell( p_demux->s );
1312 const int64_t i_stream_skip = (i_stream_position + i_size) - i_stream_current;
1314 if( i_stream_skip > 0 )
1316 if( stream_Read( p_demux->s, NULL, i_stream_skip ) != i_stream_skip )
1317 return VLC_EGENERIC;
1319 else if( i_stream_skip < 0 )
1321 return VLC_EGENERIC;
1325 /* read index if possible */
1326 if( p_sys->i_index_offset > 0 )
1328 const int64_t i_position = stream_Tell( p_demux->s );
1330 HeaderINDX( p_demux );
1332 if( stream_Seek( p_demux->s, i_position ) )
1333 return VLC_EGENERIC;
1338 static void CodecMetaRead( demux_t *p_demux, const uint8_t **pp_data, int *pi_data )
1340 demux_sys_t *p_sys = p_demux->p_sys;
1343 p_sys->psz_title = MemoryReadString1( pp_data, pi_data );
1344 if( p_sys->psz_title )
1345 msg_Dbg( p_demux, " - title=`%s'", p_sys->psz_title );
1348 p_sys->psz_artist = MemoryReadString1( pp_data, pi_data );
1349 if( p_sys->psz_artist )
1350 msg_Dbg( p_demux, " - artist=`%s'", p_sys->psz_artist );
1353 p_sys->psz_copyright = MemoryReadString1( pp_data, pi_data );
1354 if( p_sys->psz_copyright )
1355 msg_Dbg( p_demux, " - copyright=`%s'", p_sys->psz_copyright );
1358 p_sys->psz_description = MemoryReadString1( pp_data, pi_data );
1359 if( p_sys->psz_description )
1360 msg_Dbg( p_demux, " - Comment=`%s'", p_sys->psz_description );
1363 static int CodecVideoParse( demux_t *p_demux, int i_tk_id, const uint8_t *p_data, int i_data )
1365 demux_sys_t *p_sys = p_demux->p_sys;
1368 return VLC_EGENERIC;
1372 es_format_Init( &fmt, VIDEO_ES,
1373 VLC_FOURCC( p_data[8], p_data[9], p_data[10], p_data[11] ) );
1374 fmt.video.i_width = GetWBE( &p_data[12] );
1375 fmt.video.i_height= GetWBE( &p_data[14] );
1376 fmt.video.i_frame_rate = (GetWBE( &p_data[22] ) << 16) | GetWBE( &p_data[24] );
1377 fmt.video.i_frame_rate_base = 1 << 16;
1380 fmt.p_extra = malloc( 8 );
1384 memcpy( fmt.p_extra, &p_data[26], 8 );
1386 //msg_Dbg( p_demux, " - video 0x%08x 0x%08x", dw0, dw1 );
1389 switch( GetDWBE( &p_data[30] ) )
1393 fmt.i_codec = VLC_CODEC_RV13;
1399 fmt.i_codec = VLC_CODEC_RV20;
1402 fmt.i_codec = VLC_CODEC_RV30;
1405 fmt.i_codec = VLC_CODEC_RV40;
1408 msg_Dbg( p_demux, " - video %4.4s %dx%d - %8.8x",
1409 (char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height, GetDWBE( &p_data[30] ) );
1411 real_track_t *tk = malloc( sizeof( *tk ) );
1414 es_format_Clean( &fmt );
1417 tk->i_out_subpacket = 0;
1418 tk->i_subpacket = 0;
1419 tk->i_subpackets = 0;
1420 tk->p_subpackets = NULL;
1421 tk->p_subpackets_timecode = NULL;
1424 tk->i_frame_num = -1;
1425 tk->i_frame_size = 0;
1428 tk->p_sipr_packet = NULL;
1429 tk->p_es = es_out_Add( p_demux->out, &fmt );
1431 TAB_APPEND( p_sys->i_track, p_sys->track, tk );
1434 static int CodecAudioParse( demux_t *p_demux, int i_tk_id, const uint8_t *p_data, int i_data )
1436 demux_sys_t *p_sys = p_demux->p_sys;
1440 return VLC_EGENERIC;
1443 int i_coded_frame_size = 0;
1444 int i_subpacket_h = 0;
1445 int i_frame_size = 0;
1446 int i_subpacket_size = 0;
1448 int i_version = GetWBE( &p_data[4] );
1449 int i_extra_codec = 0;
1451 msg_Dbg( p_demux, " - audio version=%d", i_version );
1453 es_format_Init( &fmt, AUDIO_ES, 0 );
1455 RVoid( &p_data, &i_data, 6 ); /* 4 + version */
1456 if( i_version == 3 ) /* RMF version 3 or .ra version 3 */
1458 RVoid( &p_data, &i_data, 2 + 10 + 4 );
1461 CodecMetaRead( p_demux, &p_data, &i_data );
1463 RVoid( &p_data, &i_data, 1 + 1 );
1465 memcpy( &fmt.i_codec, p_data, 4 );
1466 RVoid( &p_data, &i_data, 4 );
1468 fmt.audio.i_channels = 1; /* This is always the case in rm3 */
1469 fmt.audio.i_rate = 8000;
1471 msg_Dbg( p_demux, " - audio codec=%4.4s channels=%d rate=%dHz",
1472 (char*)&fmt.i_codec, fmt.audio.i_channels, fmt.audio.i_rate );
1474 else /* RMF version 4/5 or .ra version 4 */
1476 RVoid( &p_data, &i_data, 2 + 4 + 4 + 2 + 4 );
1477 i_flavor = R16( &p_data, &i_data );
1478 i_coded_frame_size = R32( &p_data, &i_data );
1479 RVoid( &p_data, &i_data, 4 + 4 + 4 );
1480 i_subpacket_h = R16( &p_data, &i_data );
1481 i_frame_size = R16( &p_data, &i_data );
1482 i_subpacket_size = R16( &p_data, &i_data );
1483 if( !i_frame_size || !i_coded_frame_size )
1484 return VLC_EGENERIC;
1486 RVoid( &p_data, &i_data, 2 + (i_version == 5 ? 6 : 0 ) );
1488 fmt.audio.i_rate = R16( &p_data, &i_data );
1489 RVoid( &p_data, &i_data, 2 );
1490 fmt.audio.i_bitspersample = R16( &p_data, &i_data );
1491 fmt.audio.i_channels = R16( &p_data, &i_data );
1492 fmt.audio.i_blockalign = i_frame_size;
1494 if( i_version == 5 )
1498 memcpy( p_genr, &p_data[0], 4 );
1499 memcpy( &fmt.i_codec, &p_data[4], 4 );
1501 RVoid( &p_data, &i_data, 8 );
1503 else /* version 4 */
1506 RVoid( &p_data, &i_data, 1 + *p_data );
1507 if( i_data >= 1 + 4 )
1508 memcpy( &fmt.i_codec, &p_data[1], 4 );
1510 RVoid( &p_data, &i_data, 1 + *p_data );
1513 msg_Dbg( p_demux, " - audio codec=%4.4s channels=%d rate=%dHz",
1514 (char*)&fmt.i_codec, fmt.audio.i_channels, fmt.audio.i_rate );
1516 RVoid( &p_data, &i_data, 3 );
1518 if( p_sys->b_real_audio )
1520 CodecMetaRead( p_demux, &p_data, &i_data );
1524 if( i_version == 5 )
1525 RVoid( &p_data, &i_data, 1 );
1526 i_extra_codec = R32( &p_data, &i_data );
1530 switch( fmt.i_codec )
1532 case VLC_FOURCC('l','p','c','J'):
1533 case VLC_FOURCC('1','4','_','4'):
1534 fmt.i_codec = VLC_CODEC_RA_144;
1535 fmt.audio.i_blockalign = 0x14 ;
1538 case VLC_FOURCC('2','8','_','8'):
1539 fmt.i_codec = VLC_CODEC_RA_288;
1540 fmt.audio.i_blockalign = i_coded_frame_size;
1543 case VLC_FOURCC( 'a','5','2',' ' ):
1544 case VLC_FOURCC( 'd','n','e','t' ):
1545 fmt.i_codec = VLC_CODEC_A52;
1548 case VLC_FOURCC( 'r','a','a','c' ):
1549 case VLC_FOURCC( 'r','a','c','p' ):
1550 fmt.i_codec = VLC_CODEC_MP4A;
1552 if( i_extra_codec > 0 )
1555 RVoid( &p_data, &i_data, 1 );
1557 if( i_extra_codec > 0 )
1559 fmt.p_extra = malloc( i_extra_codec );
1560 if( !fmt.p_extra || i_extra_codec > i_data )
1563 fmt.i_extra = i_extra_codec;
1564 memcpy( fmt.p_extra, p_data, fmt.i_extra );
1568 case VLC_FOURCC( 's','i','p','r' ):
1569 fmt.i_codec = VLC_CODEC_SIPR;
1571 return VLC_EGENERIC;
1573 i_subpacket_size = i_subpacket_size_sipr[i_flavor];
1574 // The libavcodec sipr decoder requires stream bitrate
1575 // to be set during initialization so that the correct mode
1577 fmt.i_bitrate = fmt.audio.i_rate;
1578 msg_Dbg( p_demux, " - sipr flavor=%i", i_flavor );
1580 case VLC_FOURCC( 'c','o','o','k' ):
1581 case VLC_FOURCC( 'a','t','r','c' ):
1582 if( i_subpacket_size <= 0 || i_frame_size / i_subpacket_size <= 0 )
1584 es_format_Clean( &fmt );
1585 return VLC_EGENERIC;
1587 if( !memcmp( p_genr, "genr", 4 ) )
1588 fmt.audio.i_blockalign = i_subpacket_size;
1590 fmt.audio.i_blockalign = i_coded_frame_size;
1592 if( fmt.i_codec == VLC_FOURCC( 'c','o','o','k' ) )
1593 fmt.i_codec = VLC_CODEC_COOK;
1594 else if( fmt.i_codec == VLC_FOURCC( 'a','t','r','c' ) )
1595 fmt.i_codec = VLC_CODEC_ATRAC3;
1597 if( i_extra_codec > 0 )
1599 fmt.p_extra = malloc( i_extra_codec );
1600 if( !fmt.p_extra || i_extra_codec > i_data )
1603 fmt.i_extra = i_extra_codec;
1604 memcpy( fmt.p_extra, p_data, fmt.i_extra );
1609 case VLC_FOURCC('r','a','l','f'):
1610 msg_Dbg( p_demux, " - audio codec not supported=%4.4s",
1611 (char*)&fmt.i_codec );
1615 msg_Dbg( p_demux, " - unknown audio codec=%4.4s",
1616 (char*)&fmt.i_codec );
1619 msg_Dbg( p_demux, " - extra data=%d", fmt.i_extra );
1622 real_track_t *tk = malloc( sizeof( *tk ) );
1625 es_format_Clean( &fmt );
1630 tk->i_frame_size = 0;
1633 tk->i_subpacket_h = i_subpacket_h;
1634 tk->i_subpacket_size = i_subpacket_size;
1635 tk->i_coded_frame_size = i_coded_frame_size;
1636 tk->i_frame_size = i_frame_size;
1638 tk->i_out_subpacket = 0;
1639 tk->i_subpacket = 0;
1640 tk->i_subpackets = 0;
1641 tk->p_subpackets = NULL;
1642 tk->p_subpackets_timecode = NULL;
1644 tk->p_sipr_packet = NULL;
1645 tk->i_sipr_subpacket_count = 0;
1647 if( fmt.i_codec == VLC_CODEC_COOK ||
1648 fmt.i_codec == VLC_CODEC_ATRAC3 )
1651 i_subpacket_h * i_frame_size / tk->i_subpacket_size;
1653 calloc( tk->i_subpackets, sizeof(block_t *) );
1654 tk->p_subpackets_timecode =
1655 calloc( tk->i_subpackets , sizeof( int64_t ) );
1657 else if( fmt.i_codec == VLC_CODEC_RA_288 )
1660 i_subpacket_h * i_frame_size / tk->i_coded_frame_size;
1662 calloc( tk->i_subpackets, sizeof(block_t *) );
1663 tk->p_subpackets_timecode =
1664 calloc( tk->i_subpackets , sizeof( int64_t ) );
1667 /* Check if the calloc went correctly */
1668 if( tk->i_subpacket > 0 && ( !tk->p_subpackets || !tk->p_subpackets_timecode ) )
1670 free( tk->p_subpackets_timecode );
1671 free( tk->p_subpackets );
1673 msg_Err( p_demux, "Can't alloc subpacket" );
1674 return VLC_EGENERIC;
1678 tk->p_es = es_out_Add( p_demux->out, &fmt );
1680 TAB_APPEND( p_sys->i_track, p_sys->track, tk );
1686 static int CodecParse( demux_t *p_demux, int i_len, int i_num )
1688 const uint8_t *p_peek;
1690 msg_Dbg( p_demux, " - specific data len=%d", i_len );
1691 if( stream_Peek( p_demux->s, &p_peek, i_len ) < i_len )
1692 return VLC_EGENERIC;
1694 if( i_len >= 8 && !memcmp( &p_peek[4], "VIDO", 4 ) )
1696 return CodecVideoParse( p_demux, i_num, p_peek, i_len );
1698 else if( i_len >= 4 && !memcmp( &p_peek[0], ".ra\xfd", 4 ) )
1700 return CodecAudioParse( p_demux, i_num, p_peek, i_len );
1705 /*****************************************************************************
1706 * Helpers: memory buffer fct.
1707 *****************************************************************************/
1708 static void RVoid( const uint8_t **pp_data, int *pi_data, int i_size )
1710 if( i_size > *pi_data )
1716 #define RX(name, type, size, code ) \
1717 static type name( const uint8_t **pp_data, int *pi_data ) { \
1718 if( *pi_data < (size) ) \
1721 RVoid( pp_data, pi_data, size ); \
1724 RX(R8, uint8_t, 1, **pp_data )
1725 RX(R16, uint16_t, 2, GetWBE( *pp_data ) )
1726 RX(R32, uint32_t, 4, GetDWBE( *pp_data ) )
1727 static int RLength( const uint8_t **pp_data, int *pi_data )
1729 const int v0 = R16( pp_data, pi_data ) & 0x7FFF;
1732 return (v0 << 16) | R16( pp_data, pi_data );