Commit 6877b7be authored by Gildas Bazin's avatar Gildas Bazin

* modules/mux/ogg.c: always backup the vorbis/theora headers so we can resend them if we close/reopen the stream (chaining).
  fixes for text subtitles muxing.
* modules/packetizer/copy.c: support for text subtitles.
parent 9517d76e
......@@ -2,7 +2,7 @@
* ogg.c: ogg muxer module for vlc
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: ogg.c,v 1.13 2003/09/28 22:18:57 gbazin Exp $
* $Id: ogg.c,v 1.14 2003/09/29 22:37:36 gbazin Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
......@@ -80,7 +80,7 @@ typedef struct
{
int32_t i_width;
int32_t i_height;
} ogg_stream_header_video_t;
} oggds_header_video_t;
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
......@@ -90,7 +90,7 @@ typedef struct
int16_t i_channels;
int16_t i_block_align;
int32_t i_avgbytespersec;
} ogg_stream_header_audio_t;
} oggds_header_audio_t;
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
......@@ -113,11 +113,11 @@ typedef struct
int16_t i_padding_0; // hum hum
union
{
ogg_stream_header_video_t video;
ogg_stream_header_audio_t audio;
oggds_header_video_t video;
oggds_header_audio_t audio;
} header;
} ogg_stream_header_t;
} oggds_header_t;
/* Helper writer functions */
......@@ -158,7 +158,14 @@ static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
p_fifo = p_mux->pp_inputs[i]->p_fifo;
if( p_fifo->i_depth > 2 )
/* We don't really need to have anything in the SPU fifo */
if( p_mux->pp_inputs[i]->p_fmt->i_cat == SPU_ES &&
p_fifo->i_depth == 0 ) continue;
if( p_fifo->i_depth > 2 ||
/* Special case for SPUs */
( p_mux->pp_inputs[i]->p_fmt->i_cat == SPU_ES &&
p_fifo->i_depth > 0 ) )
{
sout_buffer_t *p_buf;
......@@ -199,9 +206,13 @@ typedef struct
mtime_t i_dts;
mtime_t i_length;
int i_packet_no;
int i_serial_no;
ogg_stream_state os;
ogg_stream_header_t header;
oggds_header_t oggds_header;
sout_buffer_t *pp_sout_headers[3];
int i_sout_headers;
} ogg_stream_t;
......@@ -305,8 +316,8 @@ static int Capability( sout_mux_t *p_mux, int i_query, void *p_args,
*****************************************************************************/
static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
sout_mux_sys_t *p_sys = p_mux->p_sys;
ogg_stream_t *p_stream;
sout_mux_sys_t *p_sys = p_mux->p_sys;
ogg_stream_t *p_stream;
msg_Dbg( p_mux, "adding input" );
......@@ -314,9 +325,12 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
p_stream->i_cat = p_input->p_fmt->i_cat;
p_stream->i_fourcc = p_input->p_fmt->i_fourcc;
p_stream->i_serial_no = rand();
p_stream->i_packet_no = 0;
p_stream->header.i_packet_type = PACKET_TYPE_HEADER;
p_stream->i_sout_headers = 0;
p_stream->oggds_header.i_packet_type = PACKET_TYPE_HEADER;
switch( p_input->p_fmt->i_cat )
{
case VIDEO_ES:
......@@ -324,26 +338,26 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
case VLC_FOURCC( 'm', 'p','4', 'v' ):
case VLC_FOURCC( 'D', 'I','V', '3' ):
memcpy( p_stream->header.stream_type, "video ", 8 );
memcpy( p_stream->oggds_header.stream_type, "video ", 8 );
if( p_stream->i_fourcc == VLC_FOURCC( 'm', 'p','4', 'v' ) )
{
memcpy( p_stream->header.sub_type, "XVID", 4 );
memcpy( p_stream->oggds_header.sub_type, "XVID", 4 );
}
else if( p_stream->i_fourcc == VLC_FOURCC( 'D', 'I','V', '3' ) )
{
memcpy( p_stream->header.sub_type, "DIV3", 4 );
memcpy( p_stream->oggds_header.sub_type, "DIV3", 4 );
}
SetDWLE( &p_stream->header.i_size,
sizeof( ogg_stream_header_t ) - 1);
SetQWLE( &p_stream->header.i_time_unit,
SetDWLE( &p_stream->oggds_header.i_size,
sizeof( oggds_header_t ) - 1);
SetQWLE( &p_stream->oggds_header.i_time_unit,
I64C(10000000)/(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,
SetQWLE( &p_stream->oggds_header.i_samples_per_unit, 1 );
SetDWLE( &p_stream->oggds_header.i_default_len, 0 ); /* ??? */
SetDWLE( &p_stream->oggds_header.i_buffer_size, 1024*1024 );
SetWLE( &p_stream->oggds_header.i_bits_per_sample, 0 );
SetDWLE( &p_stream->oggds_header.header.video.i_width,
p_input->p_fmt->i_width );
SetDWLE( &p_stream->header.header.video.i_height,
SetDWLE( &p_stream->oggds_header.header.video.i_height,
p_input->p_fmt->i_height );
msg_Dbg( p_mux, "mp4v/div3 stream" );
break;
......@@ -363,28 +377,28 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
case VLC_FOURCC( 'm', 'p','g', 'a' ):
case VLC_FOURCC( 'a', '5','2', ' ' ):
memcpy( p_stream->header.stream_type, "audio ", 8 );
memcpy( p_stream->oggds_header.stream_type, "audio ", 8 );
if( p_stream->i_fourcc == VLC_FOURCC( 'm', 'p','g', 'a' ) )
{
memcpy( p_stream->header.sub_type, "55 ", 4 );
memcpy( p_stream->oggds_header.sub_type, "55 ", 4 );
}
else if( p_stream->i_fourcc == VLC_FOURCC( 'a', '5','2', ' ' ) )
{
memcpy( p_stream->header.sub_type, "2000", 4 );
memcpy( p_stream->oggds_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,
SetDWLE( &p_stream->oggds_header.i_size,
sizeof( oggds_header_t ) - 1);
SetQWLE( &p_stream->oggds_header.i_time_unit, 0 /* not used */ );
SetDWLE( &p_stream->oggds_header.i_default_len, 0 /* not used */ );
SetDWLE( &p_stream->oggds_header.i_buffer_size, 30*1024 );
SetQWLE( &p_stream->oggds_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,
SetWLE( &p_stream->oggds_header.i_bits_per_sample, 0 );
SetDWLE( &p_stream->oggds_header.header.audio.i_channels,
p_input->p_fmt->i_channels );
SetDWLE( &p_stream->header.header.audio.i_block_align,
SetDWLE( &p_stream->oggds_header.header.audio.i_block_align,
p_input->p_fmt->i_block_align );
SetDWLE( &p_stream->header.header.audio.i_avgbytespersec, 0 );
SetDWLE( &p_stream->oggds_header.header.audio.i_avgbytespersec, 0);
msg_Dbg( p_mux, "mpga/a52 stream" );
break;
......@@ -402,7 +416,7 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
switch( p_stream->i_fourcc )
{
case VLC_FOURCC( 's', 'u','b', 't' ):
memcpy( p_stream->header.stream_type, "text ", 8 );
memcpy( p_stream->oggds_header.stream_type, "text ", 8 );
msg_Dbg( p_mux, "subtitles stream" );
break;
......@@ -437,12 +451,20 @@ static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
/* flush all remaining data */
if( p_input->p_sys )
{
int i;
if( ( p_og = OggStreamFlush( p_mux, &p_stream->os, 0 ) ) )
{
OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );
sout_AccessOutWrite( p_mux->p_access, p_og );
}
for( i = 0; i < p_stream->i_sout_headers; i++ )
{
sout_BufferDelete( p_mux->p_sout, p_stream->pp_sout_headers[i] );
p_stream->i_sout_headers = 0;
}
/* move input in delete queue */
if( !p_stream->b_new )
{
......@@ -553,38 +575,46 @@ static sout_buffer_t *OggCreateHeader( sout_mux_t *p_mux, mtime_t i_dts )
msg_Dbg( p_mux, "creating header for %4.4s",
(char *)&p_stream->i_fourcc );
ogg_stream_init( &p_stream->os, rand() );
ogg_stream_init( &p_stream->os, p_stream->i_serial_no );
p_stream->i_packet_no = 0;
if( p_stream->i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) ||
p_stream->i_fourcc == VLC_FOURCC( 't', 'h', 'e', 'o' ) )
{
/* Special case, headers are already there in the
* incoming stream */
* incoming stream or we backed them up earlier */
/* 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 );
/* first packet in order: vorbis/theora info */
if( !p_stream->i_sout_headers )
{
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 );
p_stream->pp_sout_headers[0] =
OggStreamFlush( p_mux, &p_stream->os, 0 );
p_stream->i_sout_headers++;
}
p_og = sout_BufferDuplicate( p_mux->p_sout,
p_stream->pp_sout_headers[0] );
}
else
{
/* ds header */
op.packet = (uint8_t*)&p_stream->header;
op.bytes = sizeof( ogg_stream_header_t );
op.packet = (uint8_t*)&p_stream->oggds_header;
op.bytes = sizeof( oggds_header_t );
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 );
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
}
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
sout_BufferChain( &p_hdr, p_og );
}
......@@ -601,15 +631,25 @@ static sout_buffer_t *OggCreateHeader( sout_mux_t *p_mux, mtime_t i_dts )
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 );
if( p_stream->i_sout_headers < j + 2 )
{
/* 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 );
p_stream->pp_sout_headers[j+1] =
OggStreamFlush( p_mux, &p_stream->os, 0 );
p_stream->i_sout_headers++;
}
p_og = sout_BufferDuplicate( p_mux->p_sout,
p_stream->pp_sout_headers[j+1] );
sout_BufferChain( &p_hdr, p_og );
}
}
else
......@@ -627,10 +667,9 @@ static sout_buffer_t *OggCreateHeader( sout_mux_t *p_mux, mtime_t i_dts )
op.granulepos = 0;
op.packetno = p_stream->i_packet_no++;
ogg_stream_packetin( &p_stream->os, &op );
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
sout_BufferChain( &p_hdr, p_og );
}
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
sout_BufferChain( &p_hdr, p_og );
}
/* set HEADER flag */
......@@ -809,13 +848,13 @@ static int Mux( sout_mux_t *p_mux )
/* 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;
p_input->p_fmt->i_sample_rate / I64C(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;
p_stream->oggds_header.i_samples_per_unit / I64C(1000000);
}
}
else if( p_stream->i_cat == VIDEO_ES )
......@@ -825,8 +864,8 @@ static int Mux( sout_mux_t *p_mux )
op.granulepos = op.packetno; /* FIXME */
}
else
op.granulepos = ( i_dts - p_sys->i_start_dts )
* I64C(10) / p_stream->header.i_time_unit;
op.granulepos = ( i_dts - p_sys->i_start_dts ) * I64C(10) /
p_stream->oggds_header.i_time_unit;
}
else if( p_stream->i_cat == SPU_ES )
{
......@@ -836,8 +875,17 @@ static int Mux( sout_mux_t *p_mux )
ogg_stream_packetin( &p_stream->os, &op );
sout_BufferChain( &p_og, OggStreamPageOut( p_mux, &p_stream->os,
p_data->i_dts ) );
if( p_stream->i_cat == SPU_ES )
{
/* Subtitles need to be flushed to be sent on time */
sout_BufferChain( &p_og, OggStreamFlush( p_mux, &p_stream->os,
p_data->i_dts ) );
}
else
{
sout_BufferChain( &p_og, OggStreamPageOut( p_mux, &p_stream->os,
p_data->i_dts ) );
}
if( p_og )
{
......
......@@ -2,7 +2,7 @@
* copy.c
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: copy.c,v 1.16 2003/09/02 20:19:26 gbazin Exp $
* $Id: copy.c,v 1.17 2003/09/29 22:37:36 gbazin Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Eric Petit <titer@videolan.org>
......@@ -386,6 +386,12 @@ static int Init( packetizer_thread_t *p_pack )
p_pack->output_format.i_cat = SPU_ES;
p_pack->pf_packetize = PacketizeSPU;
break;
case VLC_FOURCC( 's', 'u', 'b', 't' ):
p_pack->output_format.i_fourcc = VLC_FOURCC( 's', 'u', 'b', 't' );
p_pack->output_format.i_cat = SPU_ES;
break;
default:
msg_Err( p_pack->p_fifo, "unknown es type !!" );
return VLC_EGENERIC;
......
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