* ogg.c
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
- * $Id: ogg.c,v 1.3 2003/03/11 19:02:30 fenrir Exp $
+ * $Id: ogg.c,v 1.8 2003/07/01 17:14:58 sam Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Gildas Bazin <gbazin@netcourrier.com>
*
* 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
#define PACKET_IS_SYNCPOINT 0x08
-typedef struct __attribute__((__packed__))
+typedef struct
+#ifdef HAVE_ATTRIBUTE_PACKED
+ __attribute__((__packed__))
+#endif
{
int32_t i_width;
int32_t i_height;
} ogg_stream_header_video_t;
-typedef struct __attribute__((__packed__))
+typedef struct
+#ifdef HAVE_ATTRIBUTE_PACKED
+ __attribute__((__packed__))
+#endif
{
int16_t i_channels;
int16_t i_block_align;
int32_t i_avgbytespersec;
} ogg_stream_header_audio_t;
-typedef struct __attribute__((__packed__))
+typedef struct
+#ifdef HAVE_ATTRIBUTE_PACKED
+ __attribute__((__packed__))
+#endif
{
uint8_t i_packet_type;
struct sout_mux_sys_t
{
- int b_write_header;
- int i_streams;
+ int b_write_header;
+ int i_streams;
+ mtime_t i_start_dts;
};
#define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
}
static void OggSetDate( sout_buffer_t *, mtime_t , mtime_t );
-static sout_buffer_t *OggStreamFlush( sout_mux_t *, ogg_stream_state *, mtime_t );
+static sout_buffer_t *OggStreamFlush( sout_mux_t *, ogg_stream_state *,
+ mtime_t );
/*****************************************************************************
* Open:
free( p_sys );
}
-static int Capability( sout_mux_t *p_mux, int i_query, void *p_args, void *p_answer )
+static int Capability( sout_mux_t *p_mux, int i_query, void *p_args,
+ void *p_answer )
{
switch( i_query )
{
sout_mux_sys_t *p_sys = p_mux->p_sys;
ogg_stream_t *p_stream;
- BITMAPINFOHEADER *p_bih;
- WAVEFORMATEX *p_wf;
-
msg_Dbg( p_mux, "adding input" );
p_input->p_sys = (void*)p_stream = malloc( sizeof( ogg_stream_t ) );
- p_stream->i_cat = p_input->input_format.i_cat;
- p_stream->i_fourcc = p_input->input_format.i_fourcc;
+ p_stream->i_cat = p_input->p_fmt->i_cat;
+ p_stream->i_fourcc = p_input->p_fmt->i_fourcc;
p_stream->i_packet_no = 0;
p_stream->header.i_packet_type = PACKET_TYPE_HEADER;
- switch( p_input->input_format.i_cat )
+ switch( p_input->p_fmt->i_cat )
{
- case VIDEO_ES:
- p_bih = (BITMAPINFOHEADER*)p_input->input_format.p_format;
- switch( p_input->input_format.i_fourcc )
+ case VIDEO_ES:
+ switch( p_input->p_fmt->i_fourcc )
+ {
+ case VLC_FOURCC( 'm', 'p','4', 'v' ):
+ case VLC_FOURCC( 'D', 'I','V', '3' ):
+ memcpy( p_stream->header.stream_type, "video ", 8 );
+ if( p_input->p_fmt->i_fourcc == VLC_FOURCC( 'm', 'p','4', 'v' ) )
+ {
+ memcpy( p_stream->header.sub_type, "XVID", 4 );
+ }
+ else if( p_input->p_fmt->i_fourcc ==
+ VLC_FOURCC( 'D', 'I','V', '3' ) )
{
- case VLC_FOURCC( 'm', 'p','4', 'v' ):
- case VLC_FOURCC( 'D', 'I','V', '3' ):
- memcpy( p_stream->header.stream_type,
- "video ",
- 8 );
- if( p_input->input_format.i_fourcc == VLC_FOURCC( 'm', 'p','4', 'v' ) )
- {
- memcpy( p_stream->header.sub_type, "XVID", 4 );
- }
- else if( p_input->input_format.i_fourcc == VLC_FOURCC( 'D', 'I','V', '3' ) )
- {
- memcpy( p_stream->header.sub_type, "DIV3", 4 );
- }
- SetDWLE( &p_stream->header.i_size, sizeof( ogg_stream_header_t ) - 1);
- /* XXX this won't make mplayer happy, but vlc can read that without any problem so...*/
- SetQWLE( &p_stream->header.i_time_unit, 10*1000 );//(int64_t)10*1000*1000/(int64_t)25 ); // FIXME (25fps)
- SetQWLE( &p_stream->header.i_samples_per_unit, 1 );
- SetDWLE( &p_stream->header.i_default_len, 0 ); /* ??? */
- SetDWLE( &p_stream->header.i_buffer_size, 1024*1024 );
- SetWLE( &p_stream->header.i_bits_per_sample, 0 );
- if( p_bih )
- {
- SetDWLE( &p_stream->header.header.video.i_width, p_bih->biWidth );
- SetDWLE( &p_stream->header.header.video.i_height, p_bih->biHeight );
- }
- else
- {
- SetDWLE( &p_stream->header.header.video.i_width, 0 );
- SetDWLE( &p_stream->header.header.video.i_height, 0 );
- }
- break;
- default:
- FREE( p_input->p_sys );
- return( VLC_EGENERIC );
+ memcpy( p_stream->header.sub_type, "DIV3", 4 );
}
+ SetDWLE( &p_stream->header.i_size,
+ sizeof( ogg_stream_header_t ) - 1);
+ /* XXX this won't make mplayer happy,
+ * but vlc can read that without any problem so...*/
+ SetQWLE( &p_stream->header.i_time_unit, 10*1000 );
+ //(int64_t)10*1000*1000/(int64_t)25 ); // FIXME (25fps)
+ SetQWLE( &p_stream->header.i_samples_per_unit, 1 );
+ SetDWLE( &p_stream->header.i_default_len, 0 ); /* ??? */
+ SetDWLE( &p_stream->header.i_buffer_size, 1024*1024 );
+ SetWLE( &p_stream->header.i_bits_per_sample, 0 );
+ SetDWLE( &p_stream->header.header.video.i_width,
+ p_input->p_fmt->i_width );
+ SetDWLE( &p_stream->header.header.video.i_height,
+ p_input->p_fmt->i_height );
break;
- case AUDIO_ES:
- p_wf = (WAVEFORMATEX*)p_input->input_format.p_format;
- switch( p_input->input_format.i_fourcc )
+
+ default:
+ FREE( p_input->p_sys );
+ return( VLC_EGENERIC );
+ }
+ break;
+ case AUDIO_ES:
+ switch( p_input->p_fmt->i_fourcc )
+ {
+ case VLC_FOURCC( 'm', 'p','g', 'a' ):
+ case VLC_FOURCC( 'a', '5','2', ' ' ):
+ memcpy( p_stream->header.stream_type, "audio ", 8 );
+ if( p_input->p_fmt->i_fourcc == VLC_FOURCC( 'm', 'p','g', 'a' ) )
+ {
+ memcpy( p_stream->header.sub_type, "55 ", 4 );
+ }
+ else if( p_input->p_fmt->i_fourcc ==
+ VLC_FOURCC( 'a', '5','2', ' ' ) )
{
- case VLC_FOURCC( 'm', 'p','g', 'a' ):
- case VLC_FOURCC( 'a', '5','2', ' ' ):
- memcpy( p_stream->header.stream_type,
- "audio ",
- 8 );
- if( p_input->input_format.i_fourcc == VLC_FOURCC( 'm', 'p','g', 'a' ) )
- {
- memcpy( p_stream->header.sub_type, "55 ", 4 );
- }
- else if( p_input->input_format.i_fourcc == VLC_FOURCC( 'a', '5','2', ' ' ) )
- {
- memcpy( p_stream->header.sub_type, "2000", 4 );
- }
- SetDWLE( &p_stream->header.i_size, sizeof( ogg_stream_header_t ) - 1);
- SetQWLE( &p_stream->header.i_time_unit, 1000000 ); /* is it used ? */
- SetDWLE( &p_stream->header.i_default_len, 0 ); /* ??? */
- SetDWLE( &p_stream->header.i_buffer_size, 30*1024 );
- if( p_wf )
- {
- SetQWLE( &p_stream->header.i_samples_per_unit, p_wf->nSamplesPerSec );
- SetWLE( &p_stream->header.i_bits_per_sample, p_wf->wBitsPerSample );
- SetDWLE( &p_stream->header.header.audio.i_channels, p_wf->nChannels );
- SetDWLE( &p_stream->header.header.audio.i_block_align, p_wf->nBlockAlign );
- SetDWLE( &p_stream->header.header.audio.i_avgbytespersec, p_wf->nAvgBytesPerSec );
- }
- else
- {
- /* perhaps it's better to fail */
- SetQWLE( &p_stream->header.i_samples_per_unit, 44100 );
- SetWLE( &p_stream->header.i_bits_per_sample, 0 );
- SetDWLE( &p_stream->header.header.audio.i_channels, 2 );
- SetDWLE( &p_stream->header.header.audio.i_block_align, 0 );
- SetDWLE( &p_stream->header.header.audio.i_avgbytespersec, 0 );
- }
- break;
- case VLC_FOURCC( 'v', 'o', 'r', 'b' ):
- default:
- FREE( p_input->p_sys );
- return( VLC_EGENERIC );
+ memcpy( p_stream->header.sub_type, "2000", 4 );
}
+ SetDWLE( &p_stream->header.i_size,
+ sizeof( ogg_stream_header_t ) - 1);
+ SetQWLE( &p_stream->header.i_time_unit, 1000000 ); /* is it used ? */
+ SetDWLE( &p_stream->header.i_default_len, 0 ); /* ??? */
+ SetDWLE( &p_stream->header.i_buffer_size, 30*1024 );
+ SetQWLE( &p_stream->header.i_samples_per_unit,
+ p_input->p_fmt->i_sample_rate );
+ SetWLE( &p_stream->header.i_bits_per_sample, 0 );
+ SetDWLE( &p_stream->header.header.audio.i_channels,
+ p_input->p_fmt->i_channels );
+ SetDWLE( &p_stream->header.header.audio.i_block_align,
+ p_input->p_fmt->i_block_align );
+ SetDWLE( &p_stream->header.header.audio.i_avgbytespersec, 0 );
break;
+
+ case VLC_FOURCC( 'v', 'o', 'r', 'b' ):
+ msg_Dbg( p_mux, "vorbis stream" );
+ break;
default:
FREE( p_input->p_sys );
return( VLC_EGENERIC );
+ }
+ break;
+
+ default:
+ FREE( p_input->p_sys );
+ return( VLC_EGENERIC );
}
- ogg_stream_init (&p_stream->os, rand ());
+ ogg_stream_init( &p_stream->os, rand () );
p_sys->i_streams++;
return( VLC_SUCCESS );
/* flush all remaining data */
- p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
- if( p_og )
+ if( p_input->p_sys )
{
- OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );
+ p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
+ if( p_og )
+ {
+ OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );
- sout_AccessOutWrite( p_mux->p_access, p_og );
- }
+ sout_AccessOutWrite( p_mux->p_access, p_og );
+ }
- ogg_stream_clear( &p_stream->os );
+ ogg_stream_clear( &p_stream->os );
- FREE( p_input->p_sys );
+ FREE( p_input->p_sys );
+ }
return( 0 );
}
/*
* TODO move this function to src/stream_output.c (used by nearly all muxers)
*/
-static int MuxGetStream( sout_mux_t *p_mux,
- int *pi_stream,
- mtime_t *pi_dts )
+static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
{
mtime_t i_dts;
int i_stream;
return( i_stream );
}
-
static sout_buffer_t *OggStreamFlush( sout_mux_t *p_mux,
- ogg_stream_state *p_os,
- mtime_t i_pts )
+ ogg_stream_state *p_os, mtime_t i_pts )
{
- sout_buffer_t *p_og, *p_og_first = NULL;
- ogg_page og;
+ sout_buffer_t *p_og, *p_og_first = NULL;
+ ogg_page og;
for( ;; )
{
i_size = og.header_len + og.body_len;
p_og = sout_BufferNew( p_mux->p_sout, i_size);
- memcpy( p_og->p_buffer,
- og.header,
- og.header_len );
- memcpy( p_og->p_buffer + og.header_len,
- og.body,
- og.body_len );
+ memcpy( p_og->p_buffer, og.header, og.header_len );
+ memcpy( p_og->p_buffer + og.header_len, og.body, og.body_len );
p_og->i_size = i_size;
p_og->i_dts = 0;
p_og->i_pts = i_pts;
return( p_og_first );
}
+
static sout_buffer_t *OggStreamPageOut( sout_mux_t *p_mux,
- ogg_stream_state *p_os,
- mtime_t i_pts )
+ ogg_stream_state *p_os, mtime_t i_pts )
{
- sout_buffer_t *p_og, *p_og_first = NULL;
- ogg_page og;
+ sout_buffer_t *p_og, *p_og_first = NULL;
+ ogg_page og;
for( ;; )
{
i_size = og.header_len + og.body_len;
p_og = sout_BufferNew( p_mux->p_sout, i_size);
- memcpy( p_og->p_buffer,
- og.header,
- og.header_len );
- memcpy( p_og->p_buffer + og.header_len,
- og.body,
- og.body_len );
+ memcpy( p_og->p_buffer, og.header, og.header_len );
+ memcpy( p_og->p_buffer + og.header_len, og.body, og.body_len );
p_og->i_size = i_size;
p_og->i_dts = 0;
p_og->i_pts = i_pts;
return( p_og_first );
}
+
static sout_buffer_t *OggCreateHeader( sout_mux_t *p_mux, mtime_t i_dts )
{
sout_buffer_t *p_hdr = NULL;
ogg_packet op;
int i;
- /* write header for each stream */
+ /* Write header for each stream. All b_o_s (beginning of stream) packets
+ * must appear first in the ogg stream so we take care of them first. */
for( i = 0; i < p_mux->i_nb_inputs; i++ )
{
ogg_stream_t *p_stream;
if( p_stream->i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
{
- /* special case */
+ /* Special case, headers are already there in the
+ * incoming stream */
+
+ /* first packet in order: vorbis info */
+ p_og = sout_FifoGet( p_mux->pp_inputs[i]->p_fifo );
+ op.packet = p_og->p_buffer;
+ op.bytes = p_og->i_size;
+ op.b_o_s = 1;
+ op.e_o_s = 0;
+ op.granulepos = 0;
+ op.packetno = p_stream->i_packet_no++;
+ ogg_stream_packetin( &p_stream->os, &op );
}
else
{
/* ds header */
-#if 0
- uint8_t com[128];
- int i_com;
-#endif
-
- /* header */
op.packet = (uint8_t*)&p_stream->header;
op.bytes = sizeof( ogg_stream_t );
op.b_o_s = 1;
op.granulepos = 0;
op.packetno = p_stream->i_packet_no++;
ogg_stream_packetin( &p_stream->os, &op );
-#if 0
- /* I don't know why but this produce broken file */
+ }
+
+ p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
+ sout_BufferChain( &p_hdr, p_og );
+ }
+
+ /* Take care of the non b_o_s headers */
+ for( i = 0; i < p_mux->i_nb_inputs; i++ )
+ {
+ ogg_stream_t *p_stream;
+
+ p_stream = (ogg_stream_t*)p_mux->pp_inputs[i]->p_sys;
+
+ if( p_stream->i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
+ {
+ /* Special case, headers are already there in the incoming stream.
+ * We need to gather them an mark them as headers. */
+ int j;
+ for( j = 0; j < 2; j++ )
+ {
+ /* next packets in order: comments and codebooks */
+ p_og = sout_FifoGet( p_mux->pp_inputs[i]->p_fifo );
+ op.packet = p_og->p_buffer;
+ op.bytes = p_og->i_size;
+ op.b_o_s = 0;
+ op.e_o_s = 0;
+ op.granulepos = 0;
+ op.packetno = p_stream->i_packet_no++;
+ ogg_stream_packetin( &p_stream->os, &op );
+ }
+ }
+ else
+ {
+ uint8_t com[128];
+ int i_com;
+
/* comment */
com[0] = PACKET_TYPE_COMMENT;
i_com = snprintf( &com[1], 128, "VLC 0.5.x stream output" ) + 1;
op.granulepos = 0;
op.packetno = p_stream->i_packet_no++;
ogg_stream_packetin( &p_stream->os, &op );
-#endif
}
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
return( p_hdr );
}
-
static void OggSetDate( sout_buffer_t *p_og, mtime_t i_dts, mtime_t i_length )
{
int i_count;
}
}
-static int Mux ( sout_mux_t *p_mux )
+static int Mux( sout_mux_t *p_mux )
{
sout_mux_sys_t *p_sys = p_mux->p_sys;
sout_buffer_t *p_og = NULL;
- int i_stream;
+ int i_stream;
mtime_t i_dts;
if( p_sys->b_write_header )
{
if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
{
+ msg_Dbg( p_mux, "waiting data..." );
return( VLC_SUCCESS );
}
+ p_sys->i_start_dts = i_dts;
+
+ msg_Dbg( p_mux, "writing header" );
sout_BufferChain( &p_og, OggCreateHeader( p_mux, i_dts ) );
p_sys->b_write_header = VLC_FALSE;
}
if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
{
+ //msg_Dbg( p_mux, "waiting data..." );
return( VLC_SUCCESS );
}
+ //msg_Dbg( p_mux, "doing job" );
+
+ if( p_sys->i_start_dts <= 0 ) p_sys->i_start_dts = i_dts;
p_input = p_mux->pp_inputs[i_stream];
p_stream = (ogg_stream_t*)p_input->p_sys;
p_data = sout_FifoGet( p_input->p_fifo );
- sout_BufferReallocFromPreHeader( p_mux->p_sout, p_data, 1 );
- p_data->p_buffer[0] = PACKET_IS_SYNCPOINT; // FIXME
+ if( p_stream->i_fourcc != VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
+ {
+ sout_BufferReallocFromPreHeader( p_mux->p_sout, p_data, 1 );
+ p_data->p_buffer[0] = PACKET_IS_SYNCPOINT; // FIXME
+ }
+
+ op.packet = p_data->p_buffer;
+ op.bytes = p_data->i_size;
+ op.b_o_s = 0;
+ op.e_o_s = 0;
+ op.packetno = p_stream->i_packet_no++;
- op.packet = p_data->p_buffer;
- op.bytes = p_data->i_size;
- op.b_o_s = 0;
- op.e_o_s = 0;
if( p_stream->i_cat == AUDIO_ES )
{
- /* number of sample from begining */
- op.granulepos = i_dts * p_stream->header.i_samples_per_unit / (int64_t)1000000;
+ if( p_stream->i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
+ {
+ /* number of sample from begining + current packet */
+ op.granulepos =
+ ( i_dts + p_data->i_length - p_sys->i_start_dts ) *
+ p_input->p_fmt->i_sample_rate / (int64_t)1000000;
+ }
+ else
+ {
+ /* number of sample from begining */
+ op.granulepos = ( i_dts - p_sys->i_start_dts ) *
+ p_stream->header.i_samples_per_unit / (int64_t)1000000;
+ }
}
else if( p_stream->i_cat == VIDEO_ES )
{
- op.granulepos = i_dts/1000;//p_stream->i_packet_no;
+ op.granulepos = ( i_dts - p_sys->i_start_dts ) / 1000;
}
- op.packetno = p_stream->i_packet_no++;
+
ogg_stream_packetin( &p_stream->os, &op );
- sout_BufferChain( &p_og,
- OggStreamPageOut( p_mux,
- &p_stream->os,
- p_data->i_pts ) );
+ sout_BufferChain( &p_og, OggStreamPageOut( p_mux, &p_stream->os,
+ p_data->i_dts ) );
if( p_og )
{
OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );
p_stream->i_dts = -1;
- p_stream->i_length = 0;;
+ p_stream->i_length = 0;
+
sout_AccessOutWrite( p_mux->p_access, p_og );
p_og = NULL;
{
if( p_stream->i_dts < 0 )
{
- p_stream->i_dts = p_data->i_dts;
+ p_stream->i_dts = p_data->i_dts;
}
p_stream->i_length += p_data->i_length;
}
return( VLC_SUCCESS );
}
-