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Commit 14237d89 authored by Jean-Paul Saman's avatar Jean-Paul Saman
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Refactor video_filters in modules/stream_out/transcode.c by abstracting common... 

Refactor video_filters in modules/stream_out/transcode.c by abstracting common code into 2 new functiosn transcode_video_filter_new() and transcode_video_filter_close().
parent d84cd8bb
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Showing with 162 additions and 122 deletions
modules/stream_out/transcode.c
View file @ 14237d89
/*****************************************************************************
* transcode.c: transcoding stream output module
*****************************************************************************
* Copyright (C) 2003-2004 the VideoLAN team
* Copyright (C) 2003-2008 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
......@@ -1643,6 +1643,78 @@ static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
/*
* video
*/
static filter_t *transcode_video_filter_new( sout_stream_t *p_stream,
es_format_t *p_fmt_in,
es_format_t *p_fmt_out,
config_chain_t *p_cfg,
const char *psz_name )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
filter_t *p_filter;
int i;
if( !p_stream || !p_fmt_in || !p_fmt_out ) return NULL;
p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
vlc_object_attach( p_filter, p_stream );
p_filter->pf_vout_buffer_new = video_new_buffer_filter;
p_filter->pf_vout_buffer_del = video_del_buffer_filter;
es_format_Copy( &p_filter->fmt_in, p_fmt_in );
es_format_Copy( &p_filter->fmt_out, p_fmt_out );
p_filter->p_cfg = p_cfg;
p_filter->p_module = module_Need( p_filter, "video filter2",
psz_name, VLC_TRUE );
if( !p_filter->p_module )
{
msg_Dbg( p_stream, "no video filter found" );
vlc_object_detach( p_filter );
vlc_object_release( p_filter );
return NULL;
}
p_filter->p_owner = malloc( sizeof(filter_owner_sys_t) );
if( !p_filter->p_owner )
{
module_Unneed( p_filter,p_filter->p_module );
vlc_object_detach( p_filter );
vlc_object_release( p_filter );
return NULL;
}
for( i = 0; i < PICTURE_RING_SIZE; i++ )
p_filter->p_owner->pp_pics[i] = 0;
p_filter->p_owner->p_sys = p_sys;
return p_filter;
}
static void transcode_video_filter_close( sout_stream_t *p_stream,
filter_t *p_filter )
{
int j;
if( !p_stream || !p_filter ) return;
vlc_object_detach( p_filter );
if( p_filter->p_module )
module_Unneed( p_filter, p_filter->p_module );
/* Clean-up pictures ring buffer */
for( j = 0; j < PICTURE_RING_SIZE; j++ )
{
if( p_filter->p_owner->pp_pics[j] )
video_del_buffer( VLC_OBJECT(p_filter),
p_filter->p_owner->pp_pics[j] );
}
free( p_filter->p_owner );
vlc_object_release( p_filter );
p_filter = NULL;
}
static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
......@@ -2048,7 +2120,7 @@ static int transcode_video_encoder_open( sout_stream_t *p_stream,
static void transcode_video_close( sout_stream_t *p_stream,
sout_stream_id_t *id )
{
int i, j;
int i;
if( p_stream->p_sys->i_threads >= 1 )
{
......@@ -2084,39 +2156,17 @@ static void transcode_video_close( sout_stream_t *p_stream,
/* Close filters */
for( i = 0; i < id->i_filter; i++ )
{
vlc_object_detach( id->pp_filter[i] );
if( id->pp_filter[i]->p_module )
module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
/* Clean-up pictures ring buffer */
for( j = 0; j < PICTURE_RING_SIZE; j++ )
{
if( id->pp_filter[i]->p_owner->pp_pics[j] )
video_del_buffer( VLC_OBJECT(id->pp_filter[i]),
id->pp_filter[i]->p_owner->pp_pics[j] );
}
free( id->pp_filter[i]->p_owner );
vlc_object_release( id->pp_filter[i] );
transcode_video_filter_close( p_stream, id->pp_filter[i] );
id->pp_filter[i] = NULL;
}
id->i_filter = 0;
for( i = 0; i < id->i_ufilter; i++ )
{
vlc_object_detach( id->pp_ufilter[i] );
if( id->pp_ufilter[i]->p_module )
module_Unneed( id->pp_ufilter[i], id->pp_ufilter[i]->p_module );
/* Clean-up pictures ring buffer */
for( j = 0; j < PICTURE_RING_SIZE; j++ )
{
if( id->pp_ufilter[i]->p_owner->pp_pics[j] )
video_del_buffer( VLC_OBJECT(id->pp_ufilter[i]),
id->pp_ufilter[i]->p_owner->pp_pics[j] );
}
free( id->pp_ufilter[i]->p_owner );
vlc_object_release( id->pp_ufilter[i] );
transcode_video_filter_close( p_stream, id->pp_ufilter[i] );
id->pp_ufilter[i] = NULL;
}
id->i_ufilter = 0;
}
static int transcode_video_process( sout_stream_t *p_stream,
......@@ -2199,39 +2249,79 @@ static int transcode_video_process( sout_stream_t *p_stream,
if( p_stream->p_sys->b_deinterlace )
{
id->pp_filter[id->i_filter] =
vlc_object_create( p_stream, VLC_OBJECT_FILTER );
vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
id->pp_filter[id->i_filter]->pf_vout_buffer_new =
video_new_buffer_filter;
id->pp_filter[id->i_filter]->pf_vout_buffer_del =
video_del_buffer_filter;
id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
id->pp_filter[id->i_filter]->fmt_out = id->p_decoder->fmt_out;
id->pp_filter[id->i_filter]->p_cfg = p_sys->p_deinterlace_cfg;
id->pp_filter[id->i_filter]->p_module =
module_Need( id->pp_filter[id->i_filter],
"video filter2", p_sys->psz_deinterlace,
VLC_TRUE );
if( id->pp_filter[id->i_filter]->p_module )
{
id->pp_filter[id->i_filter]->p_owner =
malloc( sizeof(filter_owner_sys_t) );
for( i = 0; i < PICTURE_RING_SIZE; i++ )
id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
transcode_video_filter_new( p_stream,
&id->p_decoder->fmt_out, &id->p_encoder->fmt_in,
p_sys->p_deinterlace_cfg,
p_sys->psz_deinterlace );
if( id->pp_filter[id->i_filter] )
id->i_filter++;
}
else
#if (defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)) || defined(HAVE_LIBSWSCALE_SWSCALE_H)
if( ( id->p_decoder->fmt_out.video.i_chroma !=
id->p_encoder->fmt_in.video.i_chroma ) ||
( id->p_decoder->fmt_out.video.i_width !=
id->p_encoder->fmt_out.video.i_width ) ||
( id->p_decoder->fmt_out.video.i_height !=
id->p_encoder->fmt_out.video.i_height ) )
{
msg_Dbg( p_stream, "no video filter found" );
vlc_object_detach( id->pp_filter[id->i_filter] );
vlc_object_release( id->pp_filter[id->i_filter] );
id->pp_filter[id->i_filter] =
transcode_video_filter_new( p_stream,
&id->p_decoder->fmt_out, &id->p_encoder->fmt_in,
NULL, "scale" );
if( !id->pp_filter[id->i_filter] )
{
p_pic->pf_release( p_pic );
transcode_video_close( p_stream, id );
id->b_transcode = VLC_FALSE;
return VLC_EGENERIC;
}
id->i_filter++;
}
#if 0 /* FIXME: */
/* we don't do chroma conversion or scaling in croppad */
// es_format_t fmt_in, fmt_out;
// es_format_Copy( &fmt_out, &id->p_encoder->fmt_in );
// es_format_Copy( &fmt_in, &id->p_encoder->fmt_in );
if( ( id->p_decoder->fmt_out.video.i_chroma ==
id->p_encoder->fmt_in.video.i_chroma ) &&
( ( (int)id->p_decoder->fmt_out.video.i_width !=
p_sys->i_crop_width ) ||
( p_sys->i_crop_width != p_sys->i_nopadd_width ) ||
( p_sys->i_nopadd_width !=
(int)id->p_encoder->fmt_out.video.i_width ) ||
( (int)id->p_decoder->fmt_out.video.i_height !=
p_sys->i_crop_height ) ||
( p_sys->i_crop_height != p_sys->i_nopadd_height ) ||
( p_sys->i_nopadd_height !=
(int)id->p_encoder->fmt_out.video.i_height ) ) )
{
id->pp_filter[id->i_filter] =
transcode_video_filter_new( p_stream,
&id->p_decoder->fmt_out, &id->p_encoder->fmt_in,
NULL, "croppadd" );
if( id->pp_filter[id->i_filter] )
{
/* Set crop and padding information */
id->pp_filter[id->i_filter]->fmt_in.video.i_x_offset = p_sys->i_src_x_offset;
id->pp_filter[id->i_filter]->fmt_in.video.i_y_offset = p_sys->i_src_y_offset;
id->pp_filter[id->i_filter]->fmt_in.video.i_visible_width = p_sys->i_crop_width;
id->pp_filter[id->i_filter]->fmt_in.video.i_visible_height = p_sys->i_crop_height;
id->pp_filter[id->i_filter]->fmt_out.video.i_x_offset = p_sys->i_dst_x_offset;
id->pp_filter[id->i_filter]->fmt_out.video.i_y_offset = p_sys->i_dst_y_offset;
id->pp_filter[id->i_filter]->fmt_out.video.i_visible_width = p_sys->i_nopadd_width;
id->pp_filter[id->i_filter]->fmt_out.video.i_visible_height = p_sys->i_nopadd_height;
id->i_filter++;
}
}
#endif
#else
/* Check if we need a filter for chroma conversion or resizing */
if( id->p_decoder->fmt_out.video.i_chroma !=
id->p_encoder->fmt_in.video.i_chroma ||
......@@ -2245,18 +2335,18 @@ static int transcode_video_process( sout_stream_t *p_stream,
p_sys->i_nopadd_height != (int)id->p_encoder->fmt_out.video.i_height)
{
id->pp_filter[id->i_filter] =
vlc_object_create( p_stream, VLC_OBJECT_FILTER );
vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
id->pp_filter[id->i_filter]->pf_vout_buffer_new =
video_new_buffer_filter;
id->pp_filter[id->i_filter]->pf_vout_buffer_del =
video_del_buffer_filter;
id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
id->pp_filter[id->i_filter]->fmt_out = id->p_encoder->fmt_in;
id->pp_filter[id->i_filter]->p_cfg = NULL;
transcode_video_filter_new( p_stream,
&id->p_decoder->fmt_in, &id->p_encoder->fmt_in,
NULL, "crop padd" );
if( !id->pp_filter[id->i_filter] )
{
p_pic->pf_release( p_pic );
transcode_video_close( p_stream, id );
id->b_transcode = VLC_FALSE;
return VLC_EGENERIC;
}
/* Set crop and padding information */
id->pp_filter[id->i_filter]->fmt_in.video.i_x_offset = p_sys->i_src_x_offset;
id->pp_filter[id->i_filter]->fmt_in.video.i_y_offset = p_sys->i_src_y_offset;
id->pp_filter[id->i_filter]->fmt_in.video.i_visible_width = p_sys->i_crop_width;
......@@ -2267,71 +2357,21 @@ static int transcode_video_process( sout_stream_t *p_stream,
id->pp_filter[id->i_filter]->fmt_out.video.i_visible_width = p_sys->i_nopadd_width;
id->pp_filter[id->i_filter]->fmt_out.video.i_visible_height = p_sys->i_nopadd_height;
id->pp_filter[id->i_filter]->p_module =
module_Need( id->pp_filter[id->i_filter],
#if ( (defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)) )
"video filter2", "scale", VLC_TRUE );
#else
"crop padd", 0, 0 );
#endif
if( id->pp_filter[id->i_filter]->p_module )
{
id->pp_filter[id->i_filter]->p_owner =
malloc( sizeof(filter_owner_sys_t) );
for( i = 0; i < PICTURE_RING_SIZE; i++ )
id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
id->i_filter++;
}
else
{
msg_Dbg( p_stream, "no video filter found" );
vlc_object_detach( id->pp_filter[id->i_filter] );
vlc_object_release( id->pp_filter[id->i_filter] );
p_pic->pf_release( p_pic );
transcode_video_close( p_stream, id );
id->b_transcode = VLC_FALSE;
return VLC_EGENERIC;
}
}
#endif
for( i = 0; (i < p_sys->i_vfilters) && (id->i_ufilter < TRANSCODE_FILTERS); i++ )
{
id->pp_ufilter[id->i_ufilter] =
vlc_object_create( p_stream, VLC_OBJECT_FILTER );
vlc_object_attach( id->pp_ufilter[id->i_ufilter], p_stream );
id->pp_ufilter[id->i_ufilter]->pf_vout_buffer_new =
video_new_buffer_filter;
id->pp_ufilter[id->i_ufilter]->pf_vout_buffer_del =
video_del_buffer_filter;
id->pp_ufilter[id->i_ufilter]->fmt_in = id->p_encoder->fmt_in;
id->pp_ufilter[id->i_ufilter]->fmt_out = id->p_encoder->fmt_in;
id->pp_ufilter[id->i_ufilter]->p_cfg = p_sys->p_vfilters_cfg[i];
id->pp_ufilter[id->i_ufilter]->p_module =
module_Need( id->pp_ufilter[id->i_ufilter],
"video filter2", p_sys->psz_vfilters[i], VLC_TRUE );
if( id->pp_ufilter[id->i_ufilter]->p_module )
{
id->pp_ufilter[id->i_ufilter]->p_owner =
malloc( sizeof(filter_owner_sys_t) );
for( i = 0; i < PICTURE_RING_SIZE; i++ )
id->pp_ufilter[id->i_ufilter]->p_owner->pp_pics[i] = 0;
id->pp_ufilter[id->i_ufilter]->p_owner->p_sys = p_sys;
transcode_video_filter_new( p_stream,
&id->p_decoder->fmt_out, &id->p_encoder->fmt_in,
p_sys->p_vfilters_cfg[i], p_sys->psz_vfilters[i] );
if( id->pp_ufilter[id->i_filter] )
id->i_ufilter++;
}
else
{
msg_Dbg( p_stream, "no video filter found" );
vlc_object_detach( id->pp_ufilter[id->i_ufilter] );
vlc_object_release( id->pp_ufilter[id->i_ufilter] );
id->pp_ufilter[id->i_ufilter] = NULL;
}
}
}
/* Run filter chain */
for( i = 0; i < id->i_filter; i++ )
......
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