--- /dev/null
+/*****************************************************************************
+ * real.c: Real demuxer.
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id: real.c,v 1.1 2004/01/04 14:35:12 fenrir Exp $
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h> /* malloc(), free() */
+
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close ( vlc_object_t * );
+
+vlc_module_begin();
+ set_description( _("Real demuxer" ) );
+ set_capability( "demux2", 1);
+ set_callbacks( Open, Close );
+ add_shortcut( "real" );
+ add_shortcut( "rm" );
+vlc_module_end();
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+
+typedef struct
+{
+ int i_id;
+ es_format_t fmt;
+
+ es_out_id_t *p_es;
+
+ int i_frame;
+ block_t *p_frame;
+
+} real_track_t;
+
+struct demux_sys_t
+{
+ int64_t i_data_offset;
+ int64_t i_data_size;
+ uint32_t i_data_packets_count;
+ uint32_t i_data_packets;
+ int64_t i_data_offset_next;
+
+ int i_track;
+ real_track_t **track;
+
+ uint8_t buffer[65536];
+
+ int64_t i_pcr;
+};
+
+static int Demux( demux_t *p_demux );
+static int Control( demux_t *p_demux, int i_query, va_list args );
+
+static int HeaderRead( demux_t *p_demux );
+
+/*****************************************************************************
+ * Open
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys;
+
+ uint8_t *p_peek;
+
+ int i;
+
+ if( stream_Peek( p_demux->s, &p_peek, 10 ) < 10 )
+ {
+ msg_Err( p_demux, "cannot peek" );
+ return VLC_EGENERIC;
+ }
+ if( strncmp( p_peek, ".RMF", 4 ) )
+ {
+ msg_Warn( p_demux, "Real module discarded" );
+ return VLC_EGENERIC;
+ }
+
+ /* Fill p_demux field */
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control = Control;
+ p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+ p_sys->i_data_offset = 0;
+ p_sys->i_track = 0;
+ p_sys->track = NULL;
+ p_sys->i_pcr = 0;
+
+
+ /* Parse the headers */
+ if( HeaderRead( p_demux ) )
+ {
+ int i;
+ msg_Err( p_demux, "Invalid header" );
+ for( i = 0; i < p_sys->i_track; i++ )
+ {
+ real_track_t *tk = p_sys->track[i];
+
+ if( tk->p_es )
+ {
+ es_out_Del( p_demux->out, tk->p_es );
+ }
+ free( tk );
+ }
+ if( p_sys->i_track > 0 )
+ {
+ free( p_sys->track );
+ }
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys = p_demux->p_sys;
+ int i;
+
+ for( i = 0; i < p_sys->i_track; i++ )
+ {
+ real_track_t *tk = p_sys->track[i];
+
+ if( tk->p_frame )
+ {
+ block_Release( tk->p_frame );
+ }
+ free( tk );
+ }
+
+ if( p_sys->i_track > 0 )
+ {
+ free( p_sys->track );
+ }
+
+ free( p_sys );
+}
+
+
+/*****************************************************************************
+ * Demux:
+ *****************************************************************************/
+static int Demux( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ uint8_t header[18];
+ int i_size;
+ int i_id;
+ int64_t i_pts;
+ int i;
+ real_track_t *tk = NULL;
+ vlc_bool_t b_selected;
+
+ if( p_sys->i_data_packets >= p_sys->i_data_packets_count )
+ {
+
+ if( stream_Read( p_demux->s, header, 18 ) < 18 )
+ {
+ return 0;
+ }
+ if( strncmp( header, "DATA", 4 ) )
+ {
+ return 0;
+ }
+ p_sys->i_data_offset = stream_Tell( p_demux->s ) - 18;
+ p_sys->i_data_size = GetDWBE( &header[4] );
+ p_sys->i_data_packets_count = GetDWBE( &header[10] );
+ p_sys->i_data_packets = 0;
+ p_sys->i_data_offset_next = GetDWBE( &header[14] );
+
+ msg_Dbg( p_demux, "entering new DATA packets=%d next=%u",
+ p_sys->i_data_packets_count,
+ (uint32_t)p_sys->i_data_offset_next );
+ }
+
+ if( stream_Read( p_demux->s, header, 12 ) < 12 )
+ {
+ return 0;
+ }
+ i_size = GetWBE( &header[2] ) - 12;
+ i_id = GetWBE( &header[4] );
+ i_pts = 1000 * GetDWBE( &header[6] );
+ /* header[11] -> flags 0x02 -> keyframe */
+ msg_Dbg( p_demux, "packet %d size=%d id=%d pts=%u",
+ p_sys->i_data_packets, i_size, i_id, (uint32_t)(i_pts/1000) );
+ p_sys->i_data_packets++;
+
+ stream_Read( p_demux->s, p_sys->buffer, i_size );
+
+ for( i = 0; i < p_sys->i_track; i++ )
+ {
+ if( p_sys->track[i]->i_id == i_id )
+ {
+ tk = p_sys->track[i];
+ }
+ }
+
+ if( tk == NULL )
+ {
+ msg_Warn( p_demux, "unknown track id(0x%x)", i_id );
+ return 1;
+ }
+ es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b_selected );
+
+ if( tk->fmt.i_cat == VIDEO_ES && b_selected )
+ {
+ uint8_t *p = p_sys->buffer;
+
+ while( p < &p_sys->buffer[i_size - 2] )
+ {
+ uint8_t h = *p++;
+ int i_len = 0;
+ int i_copy;
+ int i_subseq = 0;
+ int i_seqnum = 0;
+ int i_offset = 0;
+
+ if( (h&0xc0) == 0x40 )
+ {
+ /* Short header */
+ p++;
+ i_len = &p_sys->buffer[i_size] - p;
+ }
+ else
+ {
+ if( (h&0x40) == 0 )
+ {
+ i_subseq = (*p++)&0x7f;
+ }
+ i_len = (p[0] << 8)|p[1]; p += 2;
+ if( (i_len&0xc000) == 0 )
+ {
+ i_len <<= 16;
+ i_len |= (p[0] << 8)|p[1]; p += 2;
+ i_len &= 0x3fffffff;
+ }
+ else
+ {
+ i_len &= 0x3fff;
+ }
+
+ i_offset = (p[0] << 8)|p[1]; p += 2;
+ if( (i_offset&0xc000) == 0 )
+ {
+ i_offset <<= 16;
+ i_offset |= (p[0] << 8)|p[1]; p += 2;
+ i_offset &= 0x3fffffff;
+ }
+ else
+ {
+ i_offset &= 0x3fff;
+ }
+ i_seqnum = *p++;
+ }
+ i_copy = i_len - i_offset;
+ if( i_copy > &p_sys->buffer[i_size] - p )
+ {
+ i_copy = &p_sys->buffer[i_size] - p;
+ }
+ else if( i_copy < 0 )
+ {
+ break;
+ }
+
+ msg_Dbg( p_demux, " - len=%d offset=%d size=%d subseq=%d seqnum=%d",
+ i_len, i_offset, i_copy, i_subseq, i_seqnum );
+
+ if( (h&0xc0) == 0x80 )
+ {
+ /* last fragment -> fixes */
+ i_copy = i_offset;
+ i_offset = i_len - i_copy;
+ msg_Dbg( p_demux, "last fixing copy=%d offset=%d", i_copy, i_offset );
+ }
+
+ if( tk->p_frame &&
+ ( tk->p_frame->i_dts != i_pts ||
+ tk->i_frame != i_len ) )
+ {
+ msg_Dbg( p_demux, "sending size=%d", tk->p_frame->i_buffer );
+
+ if( p_sys->i_pcr < tk->p_frame->i_dts )
+ {
+ p_sys->i_pcr = tk->p_frame->i_dts;
+
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int)0, (int64_t)p_sys->i_pcr );
+ }
+ es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
+
+ tk->i_frame = 0;
+ tk->p_frame = NULL;
+ }
+
+ if( (h&0xc0) != 0x80 && (h&0xc0) != 0x00 && tk->p_frame == NULL )
+ {
+ /* no fragment */
+ i_len = i_copy;
+ i_offset = 0;
+ }
+
+
+ if( tk->p_frame == NULL )
+ {
+ msg_Dbg( p_demux, "new frame size=%d", i_len );
+ tk->i_frame = i_len;
+ if( ( tk->p_frame = block_New( p_demux, i_len + 8 + 1000) ) == NULL )
+ {
+ return -1;
+ }
+ memset( &tk->p_frame->p_buffer[8], 0, i_len );
+ tk->p_frame->i_dts = i_pts;
+ tk->p_frame->i_pts = i_pts;
+
+ ((uint32_t*)tk->p_frame->p_buffer)[0] = i_len; /* len */
+ ((uint32_t*)tk->p_frame->p_buffer)[1] = 0; /* chunk counts */
+ }
+
+ if( i_offset < tk->i_frame)
+ {
+ int i_ck = ((uint32_t*)tk->p_frame->p_buffer)[1]++;
+
+ msg_Dbg( p_demux, "copying new buffer n=%d offset=%d copy=%d", i_ck, i_offset, i_copy );
+
+ ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
+
+ memcpy( &tk->p_frame->p_buffer[i_offset + 8],
+ p, i_copy );
+ }
+
+ p += i_copy;
+
+ if( (h&0xc0) != 0x80 )
+ {
+ break;
+ }
+#if 0
+ if( tk->p_frame )
+ {
+ /* append data */
+ int i_ck = ((uint32_t*)tk->p_frame->p_buffer)[1]++;
+
+ if( (h&0xc0) == 0x80 )
+ {
+ /* last fragment */
+ i_copy = i_offset;
+ i_offset = i_len - i_offset;
+
+ ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
+ memcpy( &tk->p_frame->p_buffer[i_offset+ 8], p, i_copy );
+ p += i_copy;
+
+ if( p_sys->i_pcr < tk->p_frame->i_dts )
+ {
+ p_sys->i_pcr = tk->p_frame->i_dts;
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int)0, (int64_t)p_sys->i_pcr );
+ }
+ es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
+
+ tk->i_frame = 0;
+ tk->p_frame = NULL;
+
+ continue;
+ }
+
+ ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
+ memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
+ break;
+ }
+
+ if( (h&0xc0) != 0x00 )
+ {
+ block_t *p_frame;
+
+ /* not fragmented */
+ if( ( p_frame = block_New( p_demux, i_copy + 8 + 8 ) ) == NULL )
+ {
+ return -1;
+ }
+ p_frame->i_dts = i_pts;
+ p_frame->i_pts = i_pts;
+
+ ((uint32_t*)p_frame->p_buffer)[0] = i_copy;
+ ((uint32_t*)p_frame->p_buffer)[1] = 1;
+ ((uint32_t*)(p_frame->p_buffer+i_copy+8))[0] = 0;
+ memcpy( &p_frame->p_buffer[8], p, i_copy );
+
+ p += i_copy;
+
+ if( p_sys->i_pcr < p_frame->i_dts )
+ {
+ p_sys->i_pcr = p_frame->i_dts;
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int)0, (int64_t)p_sys->i_pcr );
+ }
+ es_out_Send( p_demux->out, tk->p_es, p_frame );
+ }
+ else
+ {
+ /* First fragment */
+ tk->i_frame = i_len;
+ if( ( tk->p_frame = block_New( p_demux, i_len + 8 + 1000) ) == NULL )
+ {
+ return -1;
+ }
+ memset( &tk->p_frame->p_buffer[8], 0, i_len );
+ tk->p_frame->i_dts = i_pts;
+ tk->p_frame->i_pts = i_pts;
+
+ ((uint32_t*)tk->p_frame->p_buffer)[0] = i_len; /* len */
+ ((uint32_t*)tk->p_frame->p_buffer)[1] = 1; /* chunk counts */
+ ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[0] = i_offset;
+ memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
+
+ break;
+ }
+#endif
+ }
+ }
+ else if( tk->fmt.i_cat == AUDIO_ES && b_selected )
+ {
+ block_t *p_block = block_New( p_demux, i_size );
+
+ if( tk->fmt.i_codec == VLC_FOURCC( 'a', '5', '2', ' ' ) )
+ {
+ uint8_t *src = p_sys->buffer;
+ uint8_t *dst = p_block->p_buffer;
+
+ /* byte swap data */
+ while( dst < &p_block->p_buffer[i_size- 1])
+ {
+ *dst++ = src[1];
+ *dst++ = src[0];
+
+ src += 2;
+ }
+ }
+ else
+ {
+ memcpy( p_block->p_buffer, p_sys->buffer, i_size );
+ }
+ p_block->i_dts =
+ p_block->i_pts = i_pts;
+
+ if( p_sys->i_pcr < i_pts )
+ {
+ p_sys->i_pcr = i_pts;
+
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int)0, (int64_t)p_sys->i_pcr );
+ }
+ es_out_Send( p_demux->out, tk->p_es, p_block );
+ }
+
+
+ return 1;
+}
+
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ double f, *pf;
+ int64_t i64, *pi64;
+
+#if 0
+ switch( i_query )
+ {
+ case DEMUX_GET_POSITION:
+ pf = (double*) va_arg( args, double* );
+ i64 = stream_Size( p_demux->s );
+ if( i64 > 0 )
+ {
+ *pf = (double)stream_Tell( p_demux->s ) / (double)i64;
+ }
+ else
+ {
+ *pf = 0.0;
+ }
+ return VLC_SUCCESS;
+ case DEMUX_SET_POSITION:
+ 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;
+}
+
+
projects / vlc / commitdiff