mirror of
https://code.videolan.org/videolan/vlc
synced 2024-07-25 09:41:30 +02:00
268 lines
9.4 KiB
C
268 lines
9.4 KiB
C
/*****************************************************************************
|
|
* blendbench.c : blending benchmark plugin for vlc
|
|
*****************************************************************************
|
|
* Copyright (C) 2007 the VideoLAN team
|
|
* $Id$
|
|
*
|
|
* Author: Søren Bøg <avacore@videolan.org>
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
|
*****************************************************************************/
|
|
|
|
/*****************************************************************************
|
|
* Preamble
|
|
*****************************************************************************/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <vlc_common.h>
|
|
#include <vlc_plugin.h>
|
|
#include <vlc_sout.h>
|
|
#include <vlc_modules.h>
|
|
|
|
#include <vlc_filter.h>
|
|
#include <vlc_image.h>
|
|
|
|
/*****************************************************************************
|
|
* Local prototypes
|
|
*****************************************************************************/
|
|
static int Create( vlc_object_t * );
|
|
static void Destroy( vlc_object_t * );
|
|
|
|
static picture_t *Filter( filter_t *, picture_t * );
|
|
|
|
/*****************************************************************************
|
|
* Module descriptor
|
|
*****************************************************************************/
|
|
|
|
#define LOOPS_TEXT N_("Number of time to blend")
|
|
#define LOOPS_LONGTEXT N_("The number of time the blend will be performed")
|
|
|
|
#define ALPHA_TEXT N_("Alpha of the blended image")
|
|
#define ALPHA_LONGTEXT N_("Alpha with which the blend image is blended")
|
|
|
|
#define BASE_IMAGE_TEXT N_("Image to be blended onto")
|
|
#define BASE_IMAGE_LONGTEXT N_("The image which will be used to blend onto")
|
|
|
|
#define BASE_CHROMA_TEXT N_("Chroma for the base image")
|
|
#define BASE_CHROMA_LONGTEXT N_("Chroma which the base image will be loaded in")
|
|
|
|
#define BLEND_IMAGE_TEXT N_("Image which will be blended")
|
|
#define BLEND_IMAGE_LONGTEXT N_("The image blended onto the base image")
|
|
|
|
#define BLEND_CHROMA_TEXT N_("Chroma for the blend image")
|
|
#define BLEND_CHROMA_LONGTEXT N_("Chroma which the blend image will be loaded" \
|
|
" in")
|
|
|
|
#define CFG_PREFIX "blendbench-"
|
|
|
|
vlc_module_begin ()
|
|
set_description( N_("Blending benchmark filter") )
|
|
set_shortname( N_("Blendbench" ))
|
|
set_category( CAT_VIDEO )
|
|
set_subcategory( SUBCAT_VIDEO_VFILTER )
|
|
set_capability( "video filter2", 0 )
|
|
|
|
set_section( N_("Benchmarking"), NULL )
|
|
add_integer( CFG_PREFIX "loops", 1000, LOOPS_TEXT,
|
|
LOOPS_LONGTEXT, false )
|
|
add_integer_with_range( CFG_PREFIX "alpha", 128, 0, 255, ALPHA_TEXT,
|
|
ALPHA_LONGTEXT, false )
|
|
|
|
set_section( N_("Base image"), NULL )
|
|
add_loadfile( CFG_PREFIX "base-image", NULL, BASE_IMAGE_TEXT,
|
|
BASE_IMAGE_LONGTEXT, false )
|
|
add_string( CFG_PREFIX "base-chroma", "I420", BASE_CHROMA_TEXT,
|
|
BASE_CHROMA_LONGTEXT, false )
|
|
|
|
set_section( N_("Blend image"), NULL )
|
|
add_loadfile( CFG_PREFIX "blend-image", NULL, BLEND_IMAGE_TEXT,
|
|
BLEND_IMAGE_LONGTEXT, false )
|
|
add_string( CFG_PREFIX "blend-chroma", "YUVA", BLEND_CHROMA_TEXT,
|
|
BLEND_CHROMA_LONGTEXT, false )
|
|
|
|
set_callbacks( Create, Destroy )
|
|
vlc_module_end ()
|
|
|
|
static const char *const ppsz_filter_options[] = {
|
|
"loops", "alpha", "base-image", "base-chroma", "blend-image",
|
|
"blend-chroma", NULL
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* filter_sys_t: filter method descriptor
|
|
*****************************************************************************/
|
|
struct filter_sys_t
|
|
{
|
|
bool b_done;
|
|
int i_loops, i_alpha;
|
|
|
|
picture_t *p_base_image;
|
|
picture_t *p_blend_image;
|
|
|
|
vlc_fourcc_t i_base_chroma;
|
|
vlc_fourcc_t i_blend_chroma;
|
|
};
|
|
|
|
static int blendbench_LoadImage( vlc_object_t *p_this, picture_t **pp_pic,
|
|
vlc_fourcc_t i_chroma, char *psz_file, const char *psz_name )
|
|
{
|
|
image_handler_t *p_image;
|
|
video_format_t fmt_in, fmt_out;
|
|
|
|
memset( &fmt_in, 0, sizeof(video_format_t) );
|
|
memset( &fmt_out, 0, sizeof(video_format_t) );
|
|
|
|
fmt_out.i_chroma = i_chroma;
|
|
p_image = image_HandlerCreate( p_this );
|
|
*pp_pic = image_ReadUrl( p_image, psz_file, &fmt_in, &fmt_out );
|
|
image_HandlerDelete( p_image );
|
|
|
|
if( *pp_pic == NULL )
|
|
{
|
|
msg_Err( p_this, "Unable to load %s image", psz_name );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
msg_Dbg( p_this, "%s image has dim %d x %d (Y plane)", psz_name,
|
|
(*pp_pic)->p[Y_PLANE].i_visible_pitch,
|
|
(*pp_pic)->p[Y_PLANE].i_visible_lines );
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Create: allocates video thread output method
|
|
*****************************************************************************/
|
|
static int Create( vlc_object_t *p_this )
|
|
{
|
|
filter_t *p_filter = (filter_t *)p_this;
|
|
filter_sys_t *p_sys;
|
|
char *psz_temp, *psz_cmd;
|
|
int i_ret;
|
|
|
|
/* Allocate structure */
|
|
p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
|
|
if( p_filter->p_sys == NULL )
|
|
return VLC_ENOMEM;
|
|
|
|
p_sys = p_filter->p_sys;
|
|
p_sys->b_done = false;
|
|
|
|
p_filter->pf_video_filter = Filter;
|
|
|
|
/* needed to get options passed in transcode using the
|
|
* adjust{name=value} syntax */
|
|
config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
|
|
p_filter->p_cfg );
|
|
|
|
p_sys->i_loops = var_CreateGetIntegerCommand( p_filter,
|
|
CFG_PREFIX "loops" );
|
|
p_sys->i_alpha = var_CreateGetIntegerCommand( p_filter,
|
|
CFG_PREFIX "alpha" );
|
|
|
|
psz_temp = var_CreateGetStringCommand( p_filter, CFG_PREFIX "base-chroma" );
|
|
p_sys->i_base_chroma = VLC_FOURCC( psz_temp[0], psz_temp[1],
|
|
psz_temp[2], psz_temp[3] );
|
|
psz_cmd = var_CreateGetStringCommand( p_filter, CFG_PREFIX "base-image" );
|
|
i_ret = blendbench_LoadImage( p_this, &p_sys->p_base_image,
|
|
p_sys->i_base_chroma, psz_cmd, "Base" );
|
|
free( psz_temp );
|
|
free( psz_cmd );
|
|
if( i_ret != VLC_SUCCESS )
|
|
{
|
|
free( p_sys );
|
|
return i_ret;
|
|
}
|
|
|
|
psz_temp = var_CreateGetStringCommand( p_filter,
|
|
CFG_PREFIX "blend-chroma" );
|
|
p_sys->i_blend_chroma = VLC_FOURCC( psz_temp[0], psz_temp[1],
|
|
psz_temp[2], psz_temp[3] );
|
|
psz_cmd = var_CreateGetStringCommand( p_filter, CFG_PREFIX "blend-image" );
|
|
blendbench_LoadImage( p_this, &p_sys->p_blend_image, p_sys->i_blend_chroma,
|
|
psz_cmd, "Blend" );
|
|
free( psz_temp );
|
|
free( psz_cmd );
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Destroy: destroy video thread output method
|
|
*****************************************************************************/
|
|
static void Destroy( vlc_object_t *p_this )
|
|
{
|
|
filter_t *p_filter = (filter_t *)p_this;
|
|
filter_sys_t *p_sys = p_filter->p_sys;
|
|
|
|
picture_Release( p_sys->p_base_image );
|
|
picture_Release( p_sys->p_blend_image );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Render: displays previously rendered output
|
|
*****************************************************************************/
|
|
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
|
|
{
|
|
filter_sys_t *p_sys = p_filter->p_sys;
|
|
filter_t *p_blend;
|
|
|
|
if( p_sys->b_done )
|
|
return p_pic;
|
|
|
|
p_blend = vlc_object_create( p_filter, sizeof(filter_t) );
|
|
if( !p_blend )
|
|
{
|
|
picture_Release( p_pic );
|
|
return NULL;
|
|
}
|
|
p_blend->fmt_out.video = p_sys->p_base_image->format;
|
|
p_blend->fmt_in.video = p_sys->p_blend_image->format;
|
|
p_blend->p_module = module_need( p_blend, "video blending", NULL, false );
|
|
if( !p_blend->p_module )
|
|
{
|
|
picture_Release( p_pic );
|
|
vlc_object_release( p_blend );
|
|
return NULL;
|
|
}
|
|
|
|
mtime_t time = mdate();
|
|
for( int i_iter = 0; i_iter < p_sys->i_loops; ++i_iter )
|
|
{
|
|
p_blend->pf_video_blend( p_blend,
|
|
p_sys->p_base_image, p_sys->p_blend_image,
|
|
0, 0, p_sys->i_alpha );
|
|
}
|
|
time = mdate() - time;
|
|
|
|
msg_Info( p_filter, "Blended %d images in %f sec", p_sys->i_loops,
|
|
time / 1000000.0f );
|
|
msg_Info( p_filter, "Speed is: %f images/second, %f pixels/second",
|
|
(float) p_sys->i_loops / time * 1000000,
|
|
(float) p_sys->i_loops / time * 1000000 *
|
|
p_sys->p_blend_image->p[Y_PLANE].i_visible_pitch *
|
|
p_sys->p_blend_image->p[Y_PLANE].i_visible_lines );
|
|
|
|
module_unneed( p_blend, p_blend->p_module );
|
|
|
|
vlc_object_release( p_blend );
|
|
|
|
p_sys->b_done = true;
|
|
return p_pic;
|
|
}
|