Commit c11203a2 authored by Laurent Aimar's avatar Laurent Aimar
Browse files

* all : ogg/ogm muxer. Yet very limited as it accepts only mp3/a52 audio

and mpeg4/divx3 video streams. (Created files seem to work only with vlc).
parent dd81c779
......@@ -955,6 +955,13 @@ then
PLUGINS="${PLUGINS} packetizer_copy"
PLUGINS="${PLUGINS} vout_encoder"
dnl Ogg/ogm
AC_CHECK_HEADERS(ogg/ogg.h, [
AC_CHECK_LIB( ogg, ogg_stream_packetin, [
PLUGINS="${PLUGINS} mux_ogg"
LDFLAGS_mux_ogg="${LDFLAGS_mux_ogg} -logg" ])
],[])
fi
......
SOURCES_mux_dummy = modules/mux/dummy.c
SOURCES_mux_avi = modules/mux/avi.c
SOURCES_mux_ogg = modules/mux/ogg.c
/*****************************************************************************
* ogg.c
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: ogg.c,v 1.1 2003/02/24 23:27:20 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>
#include <string.h>
#include <sys/types.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
#include <vlc/sout.h>
#include "codecs.h"
#include <ogg/ogg.h>
/*****************************************************************************
* Exported prototypes
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static int Capability( sout_instance_t *, int, void *, void * );
static int AddStream( sout_instance_t *, sout_input_t * );
static int DelStream( sout_instance_t *, sout_input_t * );
static int Mux ( sout_instance_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("Ogg/ogm muxer") );
set_capability( "sout mux", 10 );
add_shortcut( "ogg" );
add_shortcut( "ogm" );
set_callbacks( Open, Close );
vlc_module_end();
/*****************************************************************************
*
*****************************************************************************/
#define FREE( p ) if( p ) { free( p ); (p) = NULL; }
#define PACKET_TYPE_HEADER 0x01
#define PACKET_TYPE_COMMENT 0x03
#define PACKET_IS_SYNCPOINT 0x08
typedef struct __attribute__((__packed__))
{
int32_t i_width;
int32_t i_height;
} ogg_stream_header_video_t;
typedef struct __attribute__((__packed__))
{
int16_t i_channels;
int16_t i_block_align;
int32_t i_avgbytespersec;
} ogg_stream_header_audio_t;
typedef struct __attribute__((__packed__))
{
uint8_t i_packet_type;
char stream_type[8];
char sub_type[4];
int32_t i_size;
int64_t i_time_unit;
int64_t i_samples_per_unit;
int32_t i_default_len;
int32_t i_buffer_size;
int16_t i_bits_per_sample;
int16_t i_padding_0; // hum hum
union
{
ogg_stream_header_video_t video;
ogg_stream_header_audio_t audio;
} header;
} ogg_stream_header_t;
typedef struct
{
int i_cat;
int i_fourcc;
ogg_stream_header_t header;
int i_packet_no;
mtime_t i_dts;
mtime_t i_length;
ogg_stream_state os;
} ogg_stream_t;
typedef struct sout_mux_s
{
int b_write_header;
int i_streams;
} sout_mux_t;
#define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
static void _SetWLE( uint8_t *p, uint16_t i_dw )
{
p[1] = ( i_dw >> 8 )&0xff;
p[0] = ( i_dw )&0xff;
}
#define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
static void _SetDWLE( uint8_t *p, uint32_t i_dw )
{
p[3] = ( i_dw >> 24 )&0xff;
p[2] = ( i_dw >> 16 )&0xff;
p[1] = ( i_dw >> 8 )&0xff;
p[0] = ( i_dw )&0xff;
}
#define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
static void _SetQWLE( uint8_t *p, uint64_t i_qw )
{
SetDWLE( p, i_qw&0xffffffff );
SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
}
static void OggSetDate( sout_buffer_t *, mtime_t , mtime_t );
static sout_buffer_t *OggStreamFlush( sout_instance_t *, ogg_stream_state *, mtime_t );
/*****************************************************************************
* Open:
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
sout_instance_t *p_sout = (sout_instance_t*)p_this;
sout_mux_t *p_mux;
msg_Info( p_sout, "Open" );
p_mux = malloc( sizeof( sout_mux_t ) );
p_mux->i_streams = 0;
p_mux->b_write_header = VLC_TRUE;
p_sout->p_mux_data = (void*)p_mux;
p_sout->pf_mux_capacity = Capability;
p_sout->pf_mux_addstream = AddStream;
p_sout->pf_mux_delstream = DelStream;
p_sout->pf_mux = Mux;
p_sout->i_mux_preheader = 1;
return VLC_SUCCESS;
}
/*****************************************************************************
* Close:
*****************************************************************************/
static void Close( vlc_object_t * p_this )
{
sout_instance_t *p_sout = (sout_instance_t*)p_this;
sout_mux_t *p_mux = (sout_mux_t*)p_sout->p_mux_data;
msg_Info( p_sout, "Close" );
free( p_mux );
}
static int Capability( sout_instance_t *p_sout, int i_query, void *p_args, void *p_answer )
{
switch( i_query )
{
case SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME:
*(vlc_bool_t*)p_answer = VLC_FALSE;
return( SOUT_MUX_CAP_ERR_OK );
default:
return( SOUT_MUX_CAP_ERR_UNIMPLEMENTED );
}
}
static int AddStream( sout_instance_t *p_sout, sout_input_t *p_input )
{
sout_mux_t *p_mux = (sout_mux_t*)p_sout->p_mux_data;
ogg_stream_t *p_stream;
BITMAPINFOHEADER *p_bih;
WAVEFORMATEX *p_wf;
msg_Dbg( p_sout, "adding input" );
p_input->p_mux_data = (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_packet_no = 0;
p_stream->header.i_packet_type = PACKET_TYPE_HEADER;
switch( p_input->input_format.i_cat )
{
case VIDEO_ES:
p_bih = (BITMAPINFOHEADER*)p_input->input_format.p_format;
switch( p_input->input_format.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->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_mux_data );
return( VLC_EGENERIC );
}
break;
case AUDIO_ES:
p_wf = (WAVEFORMATEX*)p_input->input_format.p_format;
switch( p_input->input_format.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->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_mux_data );
return( VLC_EGENERIC );
}
break;
default:
FREE( p_input->p_mux_data );
return( VLC_EGENERIC );
}
ogg_stream_init (&p_stream->os, rand ());
p_mux->i_streams++;
return( VLC_SUCCESS );
}
static int DelStream( sout_instance_t *p_sout, sout_input_t *p_input )
{
ogg_stream_t *p_stream = (ogg_stream_t*)p_input->p_mux_data;
sout_buffer_t *p_og;
msg_Dbg( p_sout, "removing input" );
/* flush all remaining data */
p_og = OggStreamFlush( p_sout, &p_stream->os, 0 );
OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );
sout_AccessOutWrite( p_sout->p_access, p_og );
ogg_stream_clear( &p_stream->os );
FREE( p_input->p_mux_data );
return( 0 );
}
/*
* TODO move this function to src/stream_output.c (used by nearly all muxers)
*/
static int MuxGetStream( sout_instance_t *p_sout,
int *pi_stream,
mtime_t *pi_dts )
{
mtime_t i_dts;
int i_stream;
int i;
for( i = 0, i_dts = 0, i_stream = -1; i < p_sout->i_nb_inputs; i++ )
{
sout_fifo_t *p_fifo;
p_fifo = p_sout->pp_inputs[i]->p_fifo;
if( p_fifo->i_depth > 1 )
{
sout_buffer_t *p_buf;
p_buf = sout_FifoShow( p_fifo );
if( i_stream < 0 || p_buf->i_dts < i_dts )
{
i_dts = p_buf->i_dts;
i_stream = i;
}
}
else
{
return( -1 ); // wait that all fifo have at least 2 packets
}
}
if( pi_stream )
{
*pi_stream = i_stream;
}
if( pi_dts )
{
*pi_dts = i_dts;
}
return( i_stream );
}
static sout_buffer_t *OggStreamFlush( sout_instance_t *p_sout,
ogg_stream_state *p_os,
mtime_t i_pts )
{
sout_buffer_t *p_og, *p_og_first = NULL;
ogg_page og;
for( ;; )
{
/* flush all data */
int i_result;
int i_size;
if( ( i_result = ogg_stream_flush( p_os, &og ) ) == 0 )
{
break;
}
i_size = og.header_len + og.body_len;
p_og = sout_BufferNew( 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 );
p_og->i_size = i_size;
p_og->i_dts = 0;
p_og->i_pts = i_pts;
p_og->i_length = 0;
i_pts = 0; // write it only once
sout_BufferChain( &p_og_first, p_og );
}
return( p_og_first );
}
static sout_buffer_t *OggStreamPageOut( sout_instance_t *p_sout,
ogg_stream_state *p_os,
mtime_t i_pts )
{
sout_buffer_t *p_og, *p_og_first = NULL;
ogg_page og;
for( ;; )
{
/* flush all data */
int i_result;
int i_size;
if( ( i_result = ogg_stream_pageout( p_os, &og ) ) == 0 )
{
break;
}
i_size = og.header_len + og.body_len;
p_og = sout_BufferNew( 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 );
p_og->i_size = i_size;
p_og->i_dts = 0;
p_og->i_pts = i_pts;
p_og->i_length = 0;
i_pts = 0; // write them only once
sout_BufferChain( &p_og_first, p_og );
}
return( p_og_first );
}
static sout_buffer_t *OggCreateHeader( sout_instance_t *p_sout, mtime_t i_dts )
{
sout_buffer_t *p_hdr = NULL;
sout_buffer_t *p_og;
ogg_packet op;
int i;
/* write header for each stream */
for( i = 0; i < p_sout->i_nb_inputs; i++ )
{
ogg_stream_t *p_stream;
p_stream = (ogg_stream_t*)p_sout->pp_inputs[i]->p_mux_data;
if( p_stream->i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
{
/* special case */
}
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.e_o_s = 0;
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 */
/* comment */
com[0] = PACKET_TYPE_COMMENT;
i_com = snprintf( &com[1], 128, "VLC 0.5.x stream output" ) + 1;
op.packet = com;
op.bytes = i_com;
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 );
#endif
}
p_og = OggStreamFlush( p_sout, &p_stream->os, 0 );
sout_BufferChain( &p_hdr, p_og );
}
return( p_hdr );
}
static void OggSetDate( sout_buffer_t *p_og, mtime_t i_dts, mtime_t i_length )
{
int i_count;
sout_buffer_t *p_tmp;
mtime_t i_delta;
for( p_tmp = p_og, i_count = 0; p_tmp != NULL; p_tmp = p_tmp->p_next )
{
i_count++;
}
i_delta = i_length / i_count;
for( p_tmp = p_og; p_tmp != NULL; p_tmp = p_tmp->p_next )
{
p_tmp->i_dts = i_dts;
p_tmp->i_length = i_delta;
i_dts += i_delta;
}
}
static int Mux ( sout_instance_t *p_sout )
{
sout_mux_t *p_mux = (sout_mux_t*)p_sout->p_mux_data;
sout_buffer_t *p_og = NULL;
int i_stream;
mtime_t i_dts;
if( p_mux->b_write_header )
{
if( MuxGetStream( p_sout, &i_stream, &i_dts) < 0 )
{
return( VLC_SUCCESS );
}
sout_BufferChain( &p_og, OggCreateHeader( p_sout, i_dts ) );
p_mux->b_write_header = VLC_FALSE;
}
for( ;; )
{
sout_input_t *p_input;
ogg_stream_t *p_stream;
sout_buffer_t *p_data;
ogg_packet op;
if( MuxGetStream( p_sout, &i_stream, &i_dts) < 0 )
{
return( VLC_SUCCESS );
}
p_input = p_sout->pp_inputs[i_stream];
p_stream = (ogg_stream_t*)p_input->p_mux_data;
p_data = sout_FifoGet( p_input->p_fifo );
sout_BufferReallocFromPreHeader( 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;
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;
}
else if( p_stream->i_cat == VIDEO_ES )
{
op.granulepos = i_dts/1000;//p_stream->i_packet_no;
}
op.packetno = p_stream->i_packet_no++;
ogg_stream_packetin( &p_stream->os, &op );
sout_BufferChain( &p_og,
OggStreamPageOut( p_sout,
&p_stream->os,
p_data->i_pts ) );
if( p_og )
{
OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );