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vlc-gpu
Commit 433cc849 authored by Christophe Massiot's avatar Christophe Massiot
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* modules/stream_out/transcode.c: New --sout-transcode-vfilter option. 

   Allows to run video filter2 modules just before the encoding (and
   after the SPU rendering). New --sout-transcode-high-priority option
   to run the optional encoder thread at the same priority as the output.
parent 01996d27
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Showing with 106 additions and 6 deletions
modules/stream_out/transcode.c
View file @ 433cc849
......@@ -71,6 +71,10 @@
#define HEIGHT_TEXT N_("Video height")
#define HEIGHT_LONGTEXT N_( \
"Allows you to specify the output video height." )
#define VFILTER_TEXT N_("Video filter")
#define VFILTER_LONGTEXT N_( \
"Allows you to specify video filters used after the video " \
"transcoding and subpictures overlaying." )
#define CROPTOP_TEXT N_("Video crop top")
#define CROPTOP_LONGTEXT N_( \
......@@ -123,6 +127,10 @@
#define THREADS_TEXT N_("Number of threads")
#define THREADS_LONGTEXT N_( \
"Allows you to specify the number of threads used for the transcoding." )
#define HP_TEXT N_("High priority")
#define HP_LONGTEXT N_( \
"Runs the optional encoder thread at the OUTPUT priority instead of " \
"VIDEO." )
#define ASYNC_TEXT N_("Synchronise on audio track")
#define ASYNC_LONGTEXT N_( \
......@@ -168,6 +176,9 @@ vlc_module_begin();
WIDTH_LONGTEXT, VLC_TRUE );
add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
HEIGHT_LONGTEXT, VLC_TRUE );
add_module_list_cat( SOUT_CFG_PREFIX "vfilter", SUBCAT_VIDEO_VFILTER,
NULL, NULL,
VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE );
add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT,
CROPTOP_LONGTEXT, VLC_TRUE );
......@@ -206,15 +217,17 @@ vlc_module_begin();
set_section( N_("Miscellaneous"), NULL );
add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
THREADS_LONGTEXT, VLC_TRUE );
add_bool( SOUT_CFG_PREFIX "high-priority", 0, NULL, HP_TEXT, HP_LONGTEXT,
VLC_TRUE );
vlc_module_end();
static const char *ppsz_sout_options[] = {
"venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright",
"scale", "fps", "width", "height", "deinterlace", "deinterlace-module",
"threads", "hurry-up", "aenc", "acodec", "ab", "samplerate", "channels",
"senc", "scodec", "soverlay", "sfilter",
"audio-sync", NULL
"scale", "fps", "width", "height", "vfilter", "deinterlace",
"deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
"samplerate", "channels", "senc", "scodec", "soverlay", "sfilter",
"audio-sync", "high-priority", NULL
};
/*****************************************************************************
......@@ -300,7 +313,11 @@ struct sout_stream_sys_t
char *psz_deinterlace;
sout_cfg_t *p_deinterlace_cfg;
int i_threads;
vlc_bool_t b_high_priority;
vlc_bool_t b_hurry_up;
char *psz_vfilters[10];
sout_cfg_t *p_vfilters_cfg[10];
int i_vfilters;
int i_crop_top;
int i_crop_bottom;
......@@ -434,6 +451,26 @@ static int Open( vlc_object_t *p_this )
var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
p_sys->i_height = val.i_int;
var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
p_sys->i_vfilters = 0;
if( val.psz_string && *val.psz_string )
{
char *psz_parser = val.psz_string;
while( psz_parser != NULL && *psz_parser != '\0' )
{
psz_parser = sout_CfgCreate(
&p_sys->psz_vfilters[p_sys->i_vfilters],
&p_sys->p_vfilters_cfg[p_sys->i_vfilters],
psz_parser );
p_sys->i_vfilters++;
if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++;
}
}
if( val.psz_string ) free( val.psz_string );
p_sys->psz_vfilters[p_sys->i_vfilters] = NULL;
p_sys->p_vfilters_cfg[p_sys->i_vfilters] = NULL;
var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
p_sys->b_deinterlace = val.b_bool;
......@@ -461,6 +498,8 @@ static int Open( vlc_object_t *p_this )
var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
p_sys->i_threads = val.i_int;
var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
p_sys->b_high_priority = val.b_bool;
if( p_sys->i_vcodec )
{
......@@ -608,6 +647,8 @@ struct sout_stream_id_t
/* Filters */
filter_t *pp_filter[10];
int i_filter;
filter_t *pp_vfilter[10];
int i_vfilter;
/* Encoder */
encoder_t *p_encoder;
......@@ -1328,6 +1369,8 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
if( p_sys->i_threads >= 1 )
{
int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
VLC_THREAD_PRIORITY_VIDEO;
p_sys->id_video = id;
vlc_mutex_init( p_stream, &p_sys->lock_out );
vlc_cond_init( p_stream, &p_sys->cond );
......@@ -1336,8 +1379,8 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
p_sys->i_last_pic = 0;
p_sys->p_buffers = NULL;
p_sys->b_die = p_sys->b_error = 0;
if( vlc_thread_create( p_sys, "encoder", EncoderThread,
VLC_THREAD_PRIORITY_VIDEO, VLC_FALSE ) )
if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority,
VLC_FALSE ) )
{
msg_Err( p_stream, "cannot spawn encoder thread" );
module_Unneed( id->p_decoder, id->p_decoder->p_module );
......@@ -1514,6 +1557,23 @@ static void transcode_video_close( sout_stream_t *p_stream,
vlc_object_destroy( id->pp_filter[i] );
}
for( i = 0; i < id->i_vfilter; i++ )
{
vlc_object_detach( id->pp_vfilter[i] );
if( id->pp_vfilter[i]->p_module )
module_Unneed( id->pp_vfilter[i], id->pp_vfilter[i]->p_module );
/* Clean-up pictures ring buffer */
for( j = 0; j < PICTURE_RING_SIZE; j++ )
{
if( id->pp_vfilter[i]->p_owner->pp_pics[j] )
video_del_buffer( VLC_OBJECT(id->pp_vfilter[i]),
id->pp_vfilter[i]->p_owner->pp_pics[j] );
}
free( id->pp_vfilter[i]->p_owner );
vlc_object_destroy( id->pp_vfilter[i] );
}
}
static int transcode_video_process( sout_stream_t *p_stream,
......@@ -1670,6 +1730,40 @@ static int transcode_video_process( sout_stream_t *p_stream,
return VLC_EGENERIC;
}
}
for( i = 0; i < p_sys->i_vfilters; i++ )
{
id->pp_vfilter[id->i_vfilter] =
vlc_object_create( p_stream, VLC_OBJECT_FILTER );
vlc_object_attach( id->pp_vfilter[id->i_vfilter], p_stream );
id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_new =
video_new_buffer_filter;
id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_del =
video_del_buffer_filter;
id->pp_vfilter[id->i_vfilter]->fmt_in = id->p_encoder->fmt_in;
id->pp_vfilter[id->i_vfilter]->fmt_out = id->p_encoder->fmt_in;
id->pp_vfilter[id->i_vfilter]->p_cfg = p_sys->p_vfilters_cfg[i];
id->pp_vfilter[id->i_vfilter]->p_module =
module_Need( id->pp_vfilter[id->i_vfilter],
"video filter2", p_sys->psz_vfilters[i], 0 );
if( id->pp_vfilter[id->i_vfilter]->p_module )
{
id->pp_vfilter[id->i_vfilter]->p_owner =
malloc( sizeof(filter_owner_sys_t) );
for( i = 0; i < PICTURE_RING_SIZE; i++ )
id->pp_vfilter[id->i_vfilter]->p_owner->pp_pics[i] = 0;
id->i_vfilter++;
}
else
{
msg_Dbg( p_stream, "no video filter found" );
vlc_object_detach( id->pp_vfilter[id->i_vfilter] );
vlc_object_destroy( id->pp_vfilter[id->i_vfilter] );
}
}
}
/* Run filter chain */
......@@ -1726,6 +1820,12 @@ static int transcode_video_process( sout_stream_t *p_stream,
i_scale_width, i_scale_height );
}
/* Run vfilter chain */
for( i = 0; i < id->i_vfilter; i++ )
{
p_pic = id->pp_vfilter[i]->pf_video_filter(id->pp_vfilter[i], p_pic);
}
if( p_sys->i_threads >= 1 )
{
vlc_mutex_lock( &p_sys->lock_out );
......
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