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vlc-1.1
Commit be822ed6 authored by Gildas Bazin's avatar Gildas Bazin
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* modules/demux/ogg.c: should theoretically work on Big Endian machines now.
parent 51f7848f
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Showing with 63 additions and 21 deletions
modules/demux/ogg.c
View file @ be822ed6
......@@ -2,7 +2,7 @@
* ogg.c : ogg stream input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: ogg.c,v 1.6 2002/11/03 23:00:32 gbazin Exp $
* $Id: ogg.c,v 1.7 2002/11/05 21:57:41 gbazin Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
......@@ -143,6 +143,22 @@ typedef struct stream_header
#define PACKET_LEN_BITS2 0x02
#define PACKET_IS_SYNCPOINT 0x08
/* Some functions to manipulate memory */
static uint16_t GetWLE( uint8_t *p_buff )
{
return( (p_buff[0]) + ( p_buff[1] <<8 ) );
}
static uint32_t GetDWLE( uint8_t *p_buff )
{
return( p_buff[0] + ( p_buff[1] <<8 ) +
( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );
}
static uint64_t GetQWLE( uint8_t *p_buff )
{
return( GetDWLE( p_buff ) + ( ((uint64_t)GetDWLE( p_buff + 4 )) << 32 ) );
}
/*****************************************************************************
* Local prototypes
*****************************************************************************/
......@@ -515,8 +531,15 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
/* We need to get rid of the header packet */
ogg_stream_packetout( &p_stream->os, &oggpacket );
p_stream->p_bih = (BITMAPINFOHEADER*)
calloc( 1, sizeof(BITMAPINFOHEADER) );
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( st->subtype[0],
......@@ -526,11 +549,14 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
msg_Dbg( p_input, "found video header of type: %.4s",
(char *)&p_stream->i_fourcc );
p_stream->i_rate = 10000000.0 / st->time_unit;
p_stream->p_bih->biBitCount = st->bits_per_sample;
p_stream->p_bih->biWidth = st->sh.video.width;
p_stream->p_bih->biHeight = st->sh.video.height;
p_stream->i_rate = 10000000.0 /
GetQWLE((uint8_t *)&st->time_unit);
p_stream->p_bih->biBitCount =
GetWLE((uint8_t *)&st->bits_per_sample);
p_stream->p_bih->biWidth =
GetDWLE((uint8_t *)&st->sh.video.width);
p_stream->p_bih->biHeight =
GetDWLE((uint8_t *)&st->sh.video.height);
p_stream->p_bih->biPlanes= 1 ;
p_stream->p_bih->biSizeImage =
(p_stream->p_bih->biBitCount >> 3) *
......@@ -542,36 +568,44 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
p_stream->i_rate, p_stream->p_bih->biWidth,
p_stream->p_bih->biHeight,
p_stream->p_bih->biBitCount);
p_stream->i_bitrate = 1; /* FIXME */
}
/* Check for audio header (new format) */
else if( !strncmp( st->streamtype, "audio", 5 ) )
{
char p_buffer[5];
int i_extra_size = st->size - sizeof(stream_header);
p_stream->i_cat = AUDIO_ES;
/* We need to get rid of the header packet */
ogg_stream_packetout( &p_stream->os, &oggpacket );
memcpy( p_buffer, st->subtype, 4 );
p_buffer[4] = '\0';
p_stream->p_wf = (WAVEFORMATEX *)
calloc( 1, sizeof(WAVEFORMATEX) + i_extra_size );
malloc( sizeof(WAVEFORMATEX) );
if( !p_stream->p_wf )
{
/* Mem allocation error, just ignore the stream */
free( p_stream );
p_ogg->i_streams--;
continue;
}
memcpy( p_buffer, st->subtype, 4 );
p_buffer[4] = '\0';
p_stream->p_wf->wFormatTag = strtol(p_buffer,NULL,16);
p_stream->p_wf->nChannels = st->sh.audio.channels;
p_stream->p_wf->nChannels =
GetWLE((uint8_t *)&st->sh.audio.channels);
p_stream->i_rate = p_stream->p_wf->nSamplesPerSec =
st->samples_per_unit;
GetQWLE((uint8_t *)&st->samples_per_unit);
p_stream->i_bitrate = p_stream->p_wf->nAvgBytesPerSec =
st->sh.audio.avgbytespersec;
GetDWLE((uint8_t *)&st->sh.audio.avgbytespersec);
p_stream->i_bitrate *= 8;
p_stream->p_wf->nBlockAlign = st->sh.audio.blockalign;
p_stream->p_wf->wBitsPerSample = st->bits_per_sample;
p_stream->p_wf->cbSize = i_extra_size;
if( i_extra_size )
memcpy( p_stream->p_wf + sizeof(WAVEFORMATEX),
&st[1] , i_extra_size );
p_stream->p_wf->nBlockAlign =
GetWLE((uint8_t *)&st->sh.audio.blockalign);
p_stream->p_wf->wBitsPerSample =
GetWLE((uint8_t *)&st->bits_per_sample);
p_stream->p_wf->cbSize = 0;
switch( p_stream->p_wf->wFormatTag )
{
......@@ -612,6 +646,14 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
p_stream->p_wf->wBitsPerSample,
p_stream->p_wf->nAvgBytesPerSec * 8 / 1024 );
}
/* Check for text (subtitles) header */
else if( !strncmp(st->streamtype, "text", 4) )
{
msg_Dbg( p_input, "found text subtitles header" );
p_stream->i_cat = SPU_ES;
p_stream->i_fourcc =
VLC_FOURCC( 's', 'u', 'b', 't' );
}
else
{
msg_Dbg( p_input, "stream %d has a header marker "
......
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