mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-16 16:02:54 +02:00
856 lines
27 KiB
C
856 lines
27 KiB
C
/*****************************************************************************
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* real.c: Real demuxer.
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*****************************************************************************
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* Copyright (C) 2004 VideoLAN
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* $Id: real.c,v 1.3 2004/01/25 20:05:28 hartman Exp $
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <stdlib.h> /* malloc(), free() */
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#include <vlc/vlc.h>
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#include <vlc/input.h>
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close ( vlc_object_t * );
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vlc_module_begin();
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set_description( _("Real demuxer" ) );
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set_capability( "demux2", 1);
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set_callbacks( Open, Close );
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add_shortcut( "real" );
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add_shortcut( "rm" );
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vlc_module_end();
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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typedef struct
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{
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int i_id;
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es_format_t fmt;
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es_out_id_t *p_es;
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int i_frame;
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block_t *p_frame;
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} real_track_t;
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struct demux_sys_t
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{
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int64_t i_data_offset;
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int64_t i_data_size;
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uint32_t i_data_packets_count;
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uint32_t i_data_packets;
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int64_t i_data_offset_next;
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int i_track;
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real_track_t **track;
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uint8_t buffer[65536];
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int64_t i_pcr;
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};
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static int Demux( demux_t *p_demux );
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static int Control( demux_t *p_demux, int i_query, va_list args );
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static int HeaderRead( demux_t *p_demux );
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/*****************************************************************************
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* Open
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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demux_t *p_demux = (demux_t*)p_this;
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demux_sys_t *p_sys;
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uint8_t *p_peek;
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int i;
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if( stream_Peek( p_demux->s, &p_peek, 10 ) < 10 )
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{
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msg_Err( p_demux, "cannot peek" );
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return VLC_EGENERIC;
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}
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if( strncmp( p_peek, ".RMF", 4 ) )
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{
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msg_Warn( p_demux, "Real module discarded" );
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return VLC_EGENERIC;
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}
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/* Fill p_demux field */
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p_demux->pf_demux = Demux;
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p_demux->pf_control = Control;
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p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
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p_sys->i_data_offset = 0;
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p_sys->i_track = 0;
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p_sys->track = NULL;
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p_sys->i_pcr = 0;
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/* Parse the headers */
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if( HeaderRead( p_demux ) )
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{
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int i;
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msg_Err( p_demux, "invalid header" );
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for( i = 0; i < p_sys->i_track; i++ )
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{
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real_track_t *tk = p_sys->track[i];
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if( tk->p_es )
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{
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es_out_Del( p_demux->out, tk->p_es );
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}
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free( tk );
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}
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if( p_sys->i_track > 0 )
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{
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free( p_sys->track );
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}
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free( p_sys );
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return VLC_EGENERIC;
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}
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close
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*****************************************************************************/
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static void Close( vlc_object_t *p_this )
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{
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demux_t *p_demux = (demux_t*)p_this;
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demux_sys_t *p_sys = p_demux->p_sys;
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int i;
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for( i = 0; i < p_sys->i_track; i++ )
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{
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real_track_t *tk = p_sys->track[i];
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if( tk->p_frame )
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{
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block_Release( tk->p_frame );
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}
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free( tk );
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}
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if( p_sys->i_track > 0 )
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{
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free( p_sys->track );
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}
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free( p_sys );
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}
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/*****************************************************************************
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* Demux:
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*****************************************************************************/
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static int Demux( demux_t *p_demux )
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{
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demux_sys_t *p_sys = p_demux->p_sys;
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uint8_t header[18];
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int i_size;
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int i_id;
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int64_t i_pts;
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int i;
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real_track_t *tk = NULL;
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vlc_bool_t b_selected;
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if( p_sys->i_data_packets >= p_sys->i_data_packets_count )
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{
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if( stream_Read( p_demux->s, header, 18 ) < 18 )
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{
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return 0;
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}
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if( strncmp( header, "DATA", 4 ) )
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{
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return 0;
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}
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p_sys->i_data_offset = stream_Tell( p_demux->s ) - 18;
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p_sys->i_data_size = GetDWBE( &header[4] );
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p_sys->i_data_packets_count = GetDWBE( &header[10] );
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p_sys->i_data_packets = 0;
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p_sys->i_data_offset_next = GetDWBE( &header[14] );
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msg_Dbg( p_demux, "entering new DATA packets=%d next=%u",
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p_sys->i_data_packets_count,
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(uint32_t)p_sys->i_data_offset_next );
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}
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if( stream_Read( p_demux->s, header, 12 ) < 12 )
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{
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return 0;
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}
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i_size = GetWBE( &header[2] ) - 12;
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i_id = GetWBE( &header[4] );
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i_pts = 1000 * GetDWBE( &header[6] );
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/* header[11] -> flags 0x02 -> keyframe */
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msg_Dbg( p_demux, "packet %d size=%d id=%d pts=%u",
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p_sys->i_data_packets, i_size, i_id, (uint32_t)(i_pts/1000) );
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p_sys->i_data_packets++;
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stream_Read( p_demux->s, p_sys->buffer, i_size );
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for( i = 0; i < p_sys->i_track; i++ )
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{
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if( p_sys->track[i]->i_id == i_id )
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{
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tk = p_sys->track[i];
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}
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}
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if( tk == NULL )
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{
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msg_Warn( p_demux, "unknown track id(0x%x)", i_id );
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return 1;
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}
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es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b_selected );
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if( tk->fmt.i_cat == VIDEO_ES && b_selected )
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{
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uint8_t *p = p_sys->buffer;
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while( p < &p_sys->buffer[i_size - 2] )
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{
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uint8_t h = *p++;
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int i_len = 0;
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int i_copy;
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int i_subseq = 0;
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int i_seqnum = 0;
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int i_offset = 0;
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if( (h&0xc0) == 0x40 )
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{
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/* Short header */
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p++;
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i_len = &p_sys->buffer[i_size] - p;
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}
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else
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{
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if( (h&0x40) == 0 )
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{
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i_subseq = (*p++)&0x7f;
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}
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i_len = (p[0] << 8)|p[1]; p += 2;
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if( (i_len&0xc000) == 0 )
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{
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i_len <<= 16;
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i_len |= (p[0] << 8)|p[1]; p += 2;
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i_len &= 0x3fffffff;
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}
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else
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{
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i_len &= 0x3fff;
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}
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i_offset = (p[0] << 8)|p[1]; p += 2;
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if( (i_offset&0xc000) == 0 )
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{
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i_offset <<= 16;
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i_offset |= (p[0] << 8)|p[1]; p += 2;
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i_offset &= 0x3fffffff;
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}
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else
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{
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i_offset &= 0x3fff;
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}
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i_seqnum = *p++;
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}
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i_copy = i_len - i_offset;
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if( i_copy > &p_sys->buffer[i_size] - p )
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{
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i_copy = &p_sys->buffer[i_size] - p;
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}
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else if( i_copy < 0 )
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{
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break;
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}
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msg_Dbg( p_demux, " - len=%d offset=%d size=%d subseq=%d seqnum=%d",
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i_len, i_offset, i_copy, i_subseq, i_seqnum );
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if( (h&0xc0) == 0x80 )
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{
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/* last fragment -> fixes */
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i_copy = i_offset;
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i_offset = i_len - i_copy;
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msg_Dbg( p_demux, "last fixing copy=%d offset=%d", i_copy, i_offset );
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}
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if( tk->p_frame &&
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( tk->p_frame->i_dts != i_pts ||
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tk->i_frame != i_len ) )
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{
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msg_Dbg( p_demux, "sending size=%d", tk->p_frame->i_buffer );
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if( p_sys->i_pcr < tk->p_frame->i_dts )
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{
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p_sys->i_pcr = tk->p_frame->i_dts;
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es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int64_t)p_sys->i_pcr );
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}
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es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
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tk->i_frame = 0;
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tk->p_frame = NULL;
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}
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if( (h&0xc0) != 0x80 && (h&0xc0) != 0x00 && tk->p_frame == NULL )
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{
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/* no fragment */
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i_len = i_copy;
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i_offset = 0;
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}
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if( tk->p_frame == NULL )
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{
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msg_Dbg( p_demux, "new frame size=%d", i_len );
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tk->i_frame = i_len;
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if( ( tk->p_frame = block_New( p_demux, i_len + 8 + 1000) ) == NULL )
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{
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return -1;
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}
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memset( &tk->p_frame->p_buffer[8], 0, i_len );
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tk->p_frame->i_dts = i_pts;
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tk->p_frame->i_pts = i_pts;
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((uint32_t*)tk->p_frame->p_buffer)[0] = i_len; /* len */
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((uint32_t*)tk->p_frame->p_buffer)[1] = 0; /* chunk counts */
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}
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if( i_offset < tk->i_frame)
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{
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int i_ck = ((uint32_t*)tk->p_frame->p_buffer)[1]++;
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msg_Dbg( p_demux, "copying new buffer n=%d offset=%d copy=%d", i_ck, i_offset, i_copy );
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((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
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memcpy( &tk->p_frame->p_buffer[i_offset + 8],
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p, i_copy );
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}
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p += i_copy;
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if( (h&0xc0) != 0x80 )
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{
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break;
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}
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#if 0
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if( tk->p_frame )
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{
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/* append data */
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int i_ck = ((uint32_t*)tk->p_frame->p_buffer)[1]++;
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if( (h&0xc0) == 0x80 )
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{
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/* last fragment */
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i_copy = i_offset;
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i_offset = i_len - i_offset;
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((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
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memcpy( &tk->p_frame->p_buffer[i_offset+ 8], p, i_copy );
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p += i_copy;
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if( p_sys->i_pcr < tk->p_frame->i_dts )
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{
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p_sys->i_pcr = tk->p_frame->i_dts;
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es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int64_t)p_sys->i_pcr );
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}
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es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
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tk->i_frame = 0;
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tk->p_frame = NULL;
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continue;
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}
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((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
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memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
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break;
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}
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if( (h&0xc0) != 0x00 )
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{
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block_t *p_frame;
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/* not fragmented */
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if( ( p_frame = block_New( p_demux, i_copy + 8 + 8 ) ) == NULL )
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{
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return -1;
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}
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p_frame->i_dts = i_pts;
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p_frame->i_pts = i_pts;
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((uint32_t*)p_frame->p_buffer)[0] = i_copy;
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((uint32_t*)p_frame->p_buffer)[1] = 1;
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((uint32_t*)(p_frame->p_buffer+i_copy+8))[0] = 0;
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memcpy( &p_frame->p_buffer[8], p, i_copy );
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p += i_copy;
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if( p_sys->i_pcr < p_frame->i_dts )
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{
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p_sys->i_pcr = p_frame->i_dts;
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es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int64_t)p_sys->i_pcr );
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}
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es_out_Send( p_demux->out, tk->p_es, p_frame );
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}
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else
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{
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/* First fragment */
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tk->i_frame = i_len;
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if( ( tk->p_frame = block_New( p_demux, i_len + 8 + 1000) ) == NULL )
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{
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return -1;
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}
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memset( &tk->p_frame->p_buffer[8], 0, i_len );
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tk->p_frame->i_dts = i_pts;
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tk->p_frame->i_pts = i_pts;
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((uint32_t*)tk->p_frame->p_buffer)[0] = i_len; /* len */
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((uint32_t*)tk->p_frame->p_buffer)[1] = 1; /* chunk counts */
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((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[0] = i_offset;
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memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
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break;
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}
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#endif
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}
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}
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else if( tk->fmt.i_cat == AUDIO_ES && b_selected )
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{
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block_t *p_block = block_New( p_demux, i_size );
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if( tk->fmt.i_codec == VLC_FOURCC( 'a', '5', '2', ' ' ) )
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{
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uint8_t *src = p_sys->buffer;
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uint8_t *dst = p_block->p_buffer;
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/* byte swap data */
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while( dst < &p_block->p_buffer[i_size- 1])
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{
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*dst++ = src[1];
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*dst++ = src[0];
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src += 2;
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}
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}
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else
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{
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memcpy( p_block->p_buffer, p_sys->buffer, i_size );
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}
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p_block->i_dts =
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p_block->i_pts = i_pts;
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if( p_sys->i_pcr < i_pts )
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{
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p_sys->i_pcr = i_pts;
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es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int64_t)p_sys->i_pcr );
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}
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es_out_Send( p_demux->out, tk->p_es, p_block );
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}
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return 1;
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}
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/*****************************************************************************
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* Control:
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*****************************************************************************/
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static int Control( demux_t *p_demux, int i_query, va_list args )
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{
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demux_sys_t *p_sys = p_demux->p_sys;
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double f, *pf;
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int64_t i64, *pi64;
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#if 0
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switch( i_query )
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{
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case DEMUX_GET_POSITION:
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pf = (double*) va_arg( args, double* );
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i64 = stream_Size( p_demux->s );
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if( i64 > 0 )
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{
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*pf = (double)stream_Tell( p_demux->s ) / (double)i64;
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}
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else
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{
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*pf = 0.0;
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}
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return VLC_SUCCESS;
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case DEMUX_SET_POSITION:
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f = (double) va_arg( args, double );
|
|
i64 = stream_Size( p_demux->s );
|
|
|
|
es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
|
|
|
|
return stream_Seek( p_demux->s, (int64_t)(i64 * f) );
|
|
|
|
case DEMUX_GET_TIME:
|
|
pi64 = (int64_t*)va_arg( args, int64_t * );
|
|
if( p_sys->i_mux_rate > 0 )
|
|
{
|
|
*pi64 = (int64_t)1000000 * ( stream_Tell( p_demux->s ) / 50 ) / p_sys->i_mux_rate;
|
|
return VLC_SUCCESS;
|
|
}
|
|
*pi64 = 0;
|
|
return VLC_EGENERIC;
|
|
|
|
case DEMUX_GET_LENGTH:
|
|
pi64 = (int64_t*)va_arg( args, int64_t * );
|
|
if( p_sys->i_mux_rate > 0 )
|
|
{
|
|
*pi64 = (int64_t)1000000 * ( stream_Size( p_demux->s ) / 50 ) / p_sys->i_mux_rate;
|
|
return VLC_SUCCESS;
|
|
}
|
|
*pi64 = 0;
|
|
return VLC_EGENERIC;
|
|
|
|
case DEMUX_SET_TIME:
|
|
case DEMUX_GET_FPS:
|
|
default:
|
|
return VLC_EGENERIC;
|
|
}
|
|
#endif
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* HeaderRead:
|
|
*****************************************************************************/
|
|
static int HeaderRead( demux_t *p_demux )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
uint8_t header[100]; /* FIXME */
|
|
|
|
uint32_t i_id;
|
|
uint32_t i_size;
|
|
int64_t i_skip;
|
|
int i_version;
|
|
|
|
for( ;; )
|
|
{
|
|
/* Read the header */
|
|
if( stream_Read( p_demux->s, header, 10 ) < 10 )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
i_id = VLC_FOURCC( header[0], header[1], header[2], header[3] );
|
|
i_size = GetDWBE( &header[4] );
|
|
i_version = GetWBE( &header[8] );
|
|
|
|
msg_Dbg( p_demux, "object %4.4s size=%d version=%d",
|
|
(char*)&i_id, i_size, i_version );
|
|
|
|
if( i_size < 10 )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
i_skip = i_size - 10;
|
|
|
|
if( i_id == VLC_FOURCC('.','R','M','F') )
|
|
{
|
|
if( stream_Read( p_demux->s, header, 8 ) < 8 )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
msg_Dbg( p_demux, " - file version=0x%x num headers=%d",
|
|
GetDWBE( &header[0] ), GetDWBE( &header[4] ) );
|
|
|
|
i_skip -= 8;
|
|
}
|
|
else if( i_id == VLC_FOURCC('P','R','O','P') )
|
|
{
|
|
int i_flags;
|
|
|
|
if( stream_Read( p_demux->s, header, 40 ) < 40 )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
msg_Dbg( p_demux, " - max bitrate=%d avg bitrate=%d",
|
|
GetDWBE( &header[0] ), GetDWBE( &header[4] ) );
|
|
msg_Dbg( p_demux, " - max packet size=%d avg bitrate=%d",
|
|
GetDWBE( &header[8] ), GetDWBE( &header[12] ) );
|
|
msg_Dbg( p_demux, " - packets count=%d", GetDWBE( &header[16] ) );
|
|
msg_Dbg( p_demux, " - duration=%d ms", GetDWBE( &header[20] ) );
|
|
msg_Dbg( p_demux, " - preroll=%d ms", GetDWBE( &header[24] ) );
|
|
msg_Dbg( p_demux, " - index offset=%d", GetDWBE( &header[28] ) );
|
|
msg_Dbg( p_demux, " - data offset=%d", GetDWBE( &header[32] ) );
|
|
msg_Dbg( p_demux, " - num streams=%d", GetWBE( &header[36] ) );
|
|
i_flags = GetWBE( &header[38]);
|
|
msg_Dbg( p_demux, " - flags=0x%x %s%s%s",
|
|
i_flags,
|
|
i_flags&0x0001 ? "PN_SAVE_ENABLED " : "",
|
|
i_flags&0x0002 ? "PN_PERFECT_PLAY_ENABLED " : "",
|
|
i_flags&0x0004 ? "PN_LIVE_BROADCAST" : "" );
|
|
i_skip -= 40;
|
|
}
|
|
else if( i_id == VLC_FOURCC('C','O','N','T') )
|
|
{
|
|
int i_len;
|
|
char *psz;
|
|
|
|
stream_Read( p_demux->s, header, 2 );
|
|
if( ( i_len = GetWBE( header ) ) > 0 )
|
|
{
|
|
psz = malloc( i_len + 1 );
|
|
stream_Read( p_demux->s, psz, i_len );
|
|
psz[i_len] = '\0';
|
|
|
|
msg_Dbg( p_demux, " - title=`%s'", psz );
|
|
free( psz );
|
|
i_skip -= i_len;
|
|
}
|
|
i_skip -= 2;
|
|
|
|
stream_Read( p_demux->s, header, 2 );
|
|
if( ( i_len = GetWBE( header ) ) > 0 )
|
|
{
|
|
psz = malloc( i_len + 1 );
|
|
stream_Read( p_demux->s, psz, i_len );
|
|
psz[i_len] = '\0';
|
|
|
|
msg_Dbg( p_demux, " - author=`%s'", psz );
|
|
free( psz );
|
|
i_skip -= i_len;
|
|
}
|
|
i_skip -= 2;
|
|
|
|
stream_Read( p_demux->s, header, 2 );
|
|
if( ( i_len = GetWBE( header ) ) > 0 )
|
|
{
|
|
psz = malloc( i_len + 1 );
|
|
stream_Read( p_demux->s, psz, i_len );
|
|
psz[i_len] = '\0';
|
|
|
|
msg_Dbg( p_demux, " - copyright=`%s'", psz );
|
|
free( psz );
|
|
i_skip -= i_len;
|
|
}
|
|
i_skip -= 2;
|
|
|
|
stream_Read( p_demux->s, header, 2 );
|
|
if( ( i_len = GetWBE( header ) ) > 0 )
|
|
{
|
|
psz = malloc( i_len + 1 );
|
|
stream_Read( p_demux->s, psz, i_len );
|
|
psz[i_len] = '\0';
|
|
|
|
msg_Dbg( p_demux, " - comment=`%s'", psz );
|
|
free( psz );
|
|
i_skip -= i_len;
|
|
}
|
|
i_skip -= 2;
|
|
}
|
|
else if( i_id == VLC_FOURCC('M','D','P','R') )
|
|
{
|
|
int i_num;
|
|
int i_len;
|
|
char *psz;
|
|
|
|
if( stream_Read( p_demux->s, header, 30 ) < 30 )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
i_num = GetWBE( header );
|
|
msg_Dbg( p_demux, " - id=0x%x", i_num );
|
|
msg_Dbg( p_demux, " - max bitrate=%d avg bitrate=%d", GetDWBE( &header[2] ), GetDWBE( &header[6] ) );
|
|
msg_Dbg( p_demux, " - max packet size=%d avg packet size=%d", GetDWBE( &header[10] ), GetDWBE( &header[14] ));
|
|
msg_Dbg( p_demux, " - start time=%d", GetDWBE( &header[18] ) );
|
|
msg_Dbg( p_demux, " - preroll=%d", GetDWBE( &header[22] ) );
|
|
msg_Dbg( p_demux, " - duration=%d", GetDWBE( &header[26] ));
|
|
i_skip -= 30;
|
|
|
|
|
|
stream_Read( p_demux->s, header, 1 );
|
|
if( ( i_len = header[0] ) > 0 )
|
|
{
|
|
psz = malloc( i_len + 1 );
|
|
stream_Read( p_demux->s, psz, i_len );
|
|
psz[i_len] = '\0';
|
|
|
|
msg_Dbg( p_demux, " - name=`%s'", psz );
|
|
free( psz );
|
|
i_skip -= i_len;
|
|
}
|
|
i_skip--;
|
|
|
|
stream_Read( p_demux->s, header, 1 );
|
|
if( ( i_len = header[0] ) > 0 )
|
|
{
|
|
psz = malloc( i_len + 1 );
|
|
stream_Read( p_demux->s, psz, i_len );
|
|
psz[i_len] = '\0';
|
|
|
|
msg_Dbg( p_demux, " - mime=`%s'", psz );
|
|
free( psz );
|
|
i_skip -= i_len;
|
|
}
|
|
i_skip--;
|
|
|
|
stream_Read( p_demux->s, header, 4 );
|
|
if( ( i_len = GetDWBE( header ) ) > 0 )
|
|
{
|
|
es_format_t fmt;
|
|
real_track_t *tk;
|
|
uint8_t *p_peek;
|
|
|
|
msg_Dbg( p_demux, " - specific data len=%d", i_len );
|
|
if( stream_Peek( p_demux->s, &p_peek, 34 ) >= 34 )
|
|
{
|
|
if( !strncmp( &p_peek[4], "VIDO", 4 ) )
|
|
{
|
|
es_format_Init( &fmt, VIDEO_ES,
|
|
VLC_FOURCC( p_peek[8], p_peek[9], p_peek[10], p_peek[11] ) );
|
|
fmt.video.i_width = GetWBE( &p_peek[12] );
|
|
fmt.video.i_height= GetWBE( &p_peek[14] );
|
|
|
|
fmt.i_extra = 8;
|
|
fmt.p_extra = malloc( 8 );
|
|
((uint32_t*)fmt.p_extra)[0] = GetDWBE( &p_peek[26] );
|
|
((uint32_t*)fmt.p_extra)[1] = GetDWBE( &p_peek[30] );
|
|
|
|
msg_Dbg( p_demux, " - video 0x%08x 0x%08x",
|
|
((uint32_t*)fmt.p_extra)[0],
|
|
((uint32_t*)fmt.p_extra)[1] );
|
|
|
|
if( GetDWBE( &p_peek[30] ) == 0x10003000 ||
|
|
GetDWBE( &p_peek[30] ) == 0x10003001 )
|
|
{
|
|
fmt.i_codec = VLC_FOURCC( 'R','V','1','3' );
|
|
}
|
|
|
|
msg_Dbg( p_demux, " - video %4.4s %dx%d",
|
|
(char*)&fmt.i_codec,
|
|
fmt.video.i_width, fmt.video.i_height );
|
|
|
|
tk = malloc( sizeof( real_track_t ) );
|
|
tk->i_id = i_num;
|
|
tk->fmt = fmt;
|
|
tk->i_frame = 0;
|
|
tk->p_frame = NULL;
|
|
tk->p_es = es_out_Add( p_demux->out, &fmt );
|
|
|
|
TAB_APPEND( p_sys->i_track, p_sys->track, tk );
|
|
}
|
|
else if( !strncmp( p_peek, ".ra\xfd", 4 ) )
|
|
{
|
|
int i_version = GetWBE( &p_peek[4] );
|
|
msg_Dbg( p_demux, " - audio version=%d", i_version );
|
|
|
|
es_format_Init( &fmt, AUDIO_ES, 0 );
|
|
if( i_version == 4 && stream_Peek( p_demux->s, &p_peek, 56 ) >= 56 )
|
|
{
|
|
fmt.audio.i_channels = GetWBE( &p_peek[54] );
|
|
fmt.audio.i_rate = GetWBE( &p_peek[48] );
|
|
|
|
if( stream_Peek( p_demux->s, &p_peek, 57 ) >= 57 )
|
|
{
|
|
int i_extra = p_peek[56] + 1 + 4;
|
|
if( stream_Peek( p_demux->s, &p_peek, 57 + i_extra ) >= 57 + i_extra )
|
|
{
|
|
memcpy( &fmt.i_codec, &p_peek[57 + p_peek[56] + 1], 4 );
|
|
}
|
|
}
|
|
}
|
|
else if( i_version == 5 && stream_Peek( p_demux->s, &p_peek, 70 ) >= 70 )
|
|
{
|
|
memcpy( &fmt.i_codec, &p_peek[66], 4 );
|
|
fmt.audio.i_channels = GetWBE( &p_peek[60] );
|
|
fmt.audio.i_rate = GetWBE( &p_peek[54] );
|
|
}
|
|
msg_Dbg( p_demux, " - audio codec=%4.4s channels=%d rate=%dHz",
|
|
(char*)&fmt.i_codec,
|
|
fmt.audio.i_channels, fmt.audio.i_rate );
|
|
|
|
if( !strncasecmp( (char*)&fmt.i_codec, "dnet", 4 ) )
|
|
{
|
|
fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
|
|
}
|
|
|
|
if( fmt.i_codec != 0 )
|
|
{
|
|
tk = malloc( sizeof( real_track_t ) );
|
|
tk->i_id = i_num;
|
|
tk->fmt = fmt;
|
|
tk->i_frame = 0;
|
|
tk->p_frame = NULL;
|
|
tk->p_es = es_out_Add( p_demux->out, &fmt );
|
|
|
|
TAB_APPEND( p_sys->i_track, p_sys->track, tk );
|
|
}
|
|
}
|
|
}
|
|
stream_Read( p_demux->s, NULL, i_len );
|
|
|
|
i_skip -= i_len;
|
|
}
|
|
i_skip -= 4;
|
|
}
|
|
else if( i_id == VLC_FOURCC('D','A','T','A') )
|
|
{
|
|
stream_Read( p_demux->s, header, 8 );
|
|
|
|
p_sys->i_data_offset = stream_Tell( p_demux->s ) - 10;
|
|
p_sys->i_data_size = i_size;
|
|
p_sys->i_data_packets_count = GetDWBE( header );
|
|
p_sys->i_data_packets = 0;
|
|
p_sys->i_data_offset_next = GetDWBE( &header[4] );
|
|
|
|
msg_Dbg( p_demux, " - packets count=%d next=%u",
|
|
p_sys->i_data_packets_count,
|
|
(uint32_t)p_sys->i_data_offset_next );
|
|
|
|
/* we have finished the header */
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
/* unknow header */
|
|
msg_Dbg( p_demux, "unknown chunk" );
|
|
}
|
|
|
|
if( i_skip < 0 )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
stream_Read( p_demux->s, NULL, i_skip );
|
|
}
|
|
|
|
/* TODO read index if possible */
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
|