* ogg.c : ogg stream input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: ogg.c,v 1.13 2002/11/26 17:38:33 gbazin Exp $
+ * $Id: ogg.c,v 1.14 2002/12/16 18:30:12 gbazin Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
"found tarkin header, bitrate: %i, rate: %f",
p_stream->i_bitrate, p_stream->f_rate );
}
+ else if( oggpacket.bytes >= 142 &&
+ !strncmp( &oggpacket.packet[1],
+ "Direct Show Samples embedded in Ogg", 35 ))
+ {
+ /* Old header type */
+
+ /* Check for video header (old format) */
+ if( GetDWLE((oggpacket.packet+96)) == 0x05589f80 &&
+ oggpacket.bytes >= 184 )
+ {
+ p_stream->i_cat = VIDEO_ES;
+
+ p_stream->p_bih = (BITMAPINFOHEADER *)
+ malloc( sizeof(BITMAPINFOHEADER) );
+ if( !p_stream->p_bih )
+ {
+ /* Mem allocation error, just ignore the stream */
+ free( p_stream );
+ p_ogg->i_streams--;
+ continue;
+ }
+ p_stream->p_bih->biSize = sizeof(BITMAPINFOHEADER);
+ p_stream->p_bih->biCompression= p_stream->i_fourcc =
+ VLC_FOURCC( oggpacket.packet[68],
+ oggpacket.packet[69],
+ oggpacket.packet[70],
+ oggpacket.packet[71] );
+ msg_Dbg( p_input, "found video header of type: %.4s",
+ (char *)&p_stream->i_fourcc );
+
+ p_stream->f_rate = 10000000.0 /
+ GetQWLE((oggpacket.packet+164));
+ p_stream->p_bih->biBitCount =
+ GetWLE((oggpacket.packet+182));
+ if( !p_stream->p_bih->biBitCount )
+ p_stream->p_bih->biBitCount=24; // hack, FIXME
+ p_stream->p_bih->biWidth =
+ GetDWLE((oggpacket.packet+176));
+ p_stream->p_bih->biHeight =
+ GetDWLE((oggpacket.packet+180));
+ p_stream->p_bih->biPlanes= 1 ;
+ p_stream->p_bih->biSizeImage =
+ (p_stream->p_bih->biBitCount >> 3) *
+ p_stream->p_bih->biWidth *
+ p_stream->p_bih->biHeight;
+
+ msg_Dbg( p_input,
+ "fps: %f, width:%i; height:%i, bitcount:%i",
+ p_stream->f_rate, p_stream->p_bih->biWidth,
+ p_stream->p_bih->biHeight,
+ p_stream->p_bih->biBitCount);
+
+ p_stream->i_bitrate = 0;
+ }
+ /* Check for audio header (old format) */
+ else if( GetDWLE((oggpacket.packet+96)) == 0x05589F81 )
+ {
+ unsigned int i_extra_size;
+
+ p_stream->i_cat = AUDIO_ES;
+
+ i_extra_size = GetWLE((oggpacket.packet+140));
+
+ p_stream->p_wf = (WAVEFORMATEX *)
+ malloc( sizeof(WAVEFORMATEX) + i_extra_size );
+ if( !p_stream->p_wf )
+ {
+ /* Mem allocation error, just ignore the stream */
+ free( p_stream );
+ p_ogg->i_streams--;
+ continue;
+ }
+
+ p_stream->p_wf->wFormatTag =
+ GetWLE((oggpacket.packet+124));
+ p_stream->p_wf->nChannels =
+ GetWLE((oggpacket.packet+126));
+ p_stream->f_rate = p_stream->p_wf->nSamplesPerSec =
+ GetDWLE((oggpacket.packet+128));
+ p_stream->i_bitrate = p_stream->p_wf->nAvgBytesPerSec =
+ GetDWLE((oggpacket.packet+132));
+ p_stream->i_bitrate *= 8;
+ p_stream->p_wf->nBlockAlign =
+ GetWLE((oggpacket.packet+136));
+ p_stream->p_wf->wBitsPerSample =
+ GetWLE((oggpacket.packet+138));
+ p_stream->p_wf->cbSize = i_extra_size;
+
+ if( i_extra_size > 0 )
+ memcpy( p_stream->p_wf+sizeof(WAVEFORMATEX),
+ oggpacket.packet+142, i_extra_size );
+
+ switch( p_stream->p_wf->wFormatTag )
+ {
+ case WAVE_FORMAT_PCM:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'a', 'r', 'a', 'w' );
+ break;
+ case WAVE_FORMAT_MPEG:
+ case WAVE_FORMAT_MPEGLAYER3:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'm', 'p', 'g', 'a' );
+ break;
+ case WAVE_FORMAT_A52:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'a', '5', '2', ' ' );
+ break;
+ case WAVE_FORMAT_WMA1:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'w', 'm', 'a', '1' );
+ break;
+ case WAVE_FORMAT_WMA2:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'w', 'm', 'a', '2' );
+ break;
+ default:
+ p_stream->i_fourcc = VLC_FOURCC( 'm', 's',
+ ( p_stream->p_wf->wFormatTag >> 8 ) & 0xff,
+ p_stream->p_wf->wFormatTag & 0xff );
+ }
+
+ msg_Dbg( p_input, "found audio header of type: %.4s",
+ (char *)&p_stream->i_fourcc );
+ msg_Dbg( p_input, "audio:0x%4.4x channels:%d %dHz "
+ "%dbits/sample %dkb/s",
+ p_stream->p_wf->wFormatTag,
+ p_stream->p_wf->nChannels,
+ p_stream->p_wf->nSamplesPerSec,
+ p_stream->p_wf->wBitsPerSample,
+ p_stream->p_wf->nAvgBytesPerSec * 8 / 1024 );
+ }
+ else
+ {
+ msg_Dbg( p_input, "stream %d has an old header "
+ "but is of an unknown type", p_ogg->i_streams-1 );
+ free( p_stream );
+ p_ogg->i_streams--;
+ }
+ }
else if( (*oggpacket.packet & PACKET_TYPE_BITS )
== PACKET_TYPE_HEADER &&
oggpacket.bytes >= (int)sizeof(stream_header)+1 )