1 /*****************************************************************************
2 * blendbench.c : blending benchmark plugin for vlc
3 *****************************************************************************
4 * Copyright (C) 2007 the VideoLAN team
7 * Author: Søren Bøg <avacore@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
36 #include <vlc_filter.h>
37 #include <vlc_image.h>
39 /*****************************************************************************
41 *****************************************************************************/
42 static int Create( vlc_object_t
* );
43 static void Destroy( vlc_object_t
* );
45 static picture_t
*Filter( filter_t
*, picture_t
* );
47 /*****************************************************************************
49 *****************************************************************************/
51 #define LOOPS_TEXT N_("Number of time to blend")
52 #define LOOPS_LONGTEXT N_("The number of time the blend will be performed")
54 #define ALPHA_TEXT N_("Alpha of the blended image")
55 #define ALPHA_LONGTEXT N_("Alpha with which the blend image is blended")
57 #define BASE_IMAGE_TEXT N_("Image to be blended onto")
58 #define BASE_IMAGE_LONGTEXT N_("The image which will be used to blend onto")
60 #define BASE_CHROMA_TEXT N_("Chroma for the base image")
61 #define BASE_CHROMA_LONGTEXT N_("Chroma which the base image will be loaded in")
63 #define BLEND_IMAGE_TEXT N_("Image which will be blended.")
64 #define BLEND_IMAGE_LONGTEXT N_("The image blended onto the base image")
66 #define BLEND_CHROMA_TEXT N_("Chroma for the blend image")
67 #define BLEND_CHROMA_LONGTEXT N_("Chroma which the blend image will be loaded" \
70 #define CFG_PREFIX "blendbench-"
73 set_description( N_("Blending benchmark filter") )
74 set_shortname( N_("Blendbench" ))
75 set_category( CAT_VIDEO
)
76 set_subcategory( SUBCAT_VIDEO_VFILTER
)
77 set_capability( "video filter2", 0 )
79 set_section( N_("Benchmarking"), NULL
)
80 add_integer( CFG_PREFIX
"loops", 1000, NULL
, LOOPS_TEXT
,
81 LOOPS_LONGTEXT
, false )
82 add_integer_with_range( CFG_PREFIX
"alpha", 128, 0, 255, NULL
, ALPHA_TEXT
,
83 ALPHA_LONGTEXT
, false )
85 set_section( N_("Base image"), NULL
)
86 add_file( CFG_PREFIX
"base-image", NULL
, NULL
, BASE_IMAGE_TEXT
,
87 BASE_IMAGE_LONGTEXT
, false )
88 add_string( CFG_PREFIX
"base-chroma", "I420", NULL
, BASE_CHROMA_TEXT
,
89 BASE_CHROMA_LONGTEXT
, false )
91 set_section( N_("Blend image"), NULL
)
92 add_file( CFG_PREFIX
"blend-image", NULL
, NULL
, BLEND_IMAGE_TEXT
,
93 BLEND_IMAGE_LONGTEXT
, false )
94 add_string( CFG_PREFIX
"blend-chroma", "YUVA", NULL
, BLEND_CHROMA_TEXT
,
95 BLEND_CHROMA_LONGTEXT
, false )
97 set_callbacks( Create
, Destroy
)
100 static const char *const ppsz_filter_options
[] = {
101 "loops", "alpha", "base-image", "base-chroma", "blend-image",
105 /*****************************************************************************
106 * filter_sys_t: filter method descriptor
107 *****************************************************************************/
111 int i_loops
, i_alpha
;
113 picture_t
*p_base_image
;
114 picture_t
*p_blend_image
;
116 vlc_fourcc_t i_base_chroma
;
117 vlc_fourcc_t i_blend_chroma
;
120 static int blendbench_LoadImage( vlc_object_t
*p_this
, picture_t
**pp_pic
,
121 vlc_fourcc_t i_chroma
, char *psz_file
, const char *psz_name
)
123 image_handler_t
*p_image
;
124 video_format_t fmt_in
, fmt_out
;
126 memset( &fmt_in
, 0, sizeof(video_format_t
) );
127 memset( &fmt_out
, 0, sizeof(video_format_t
) );
129 fmt_out
.i_chroma
= i_chroma
;
130 p_image
= image_HandlerCreate( p_this
);
131 *pp_pic
= image_ReadUrl( p_image
, psz_file
, &fmt_in
, &fmt_out
);
132 image_HandlerDelete( p_image
);
134 if( *pp_pic
== NULL
)
136 msg_Err( p_this
, "Unable to load %s image", psz_name
);
140 msg_Dbg( p_this
, "%s image has dim %d x %d (Y plane)", psz_name
,
141 (*pp_pic
)->p
[Y_PLANE
].i_visible_pitch
,
142 (*pp_pic
)->p
[Y_PLANE
].i_visible_lines
);
147 /*****************************************************************************
148 * Create: allocates video thread output method
149 *****************************************************************************/
150 static int Create( vlc_object_t
*p_this
)
152 filter_t
*p_filter
= (filter_t
*)p_this
;
154 char *psz_temp
, *psz_cmd
;
156 /* Allocate structure */
157 p_filter
->p_sys
= malloc( sizeof( filter_sys_t
) );
158 if( p_filter
->p_sys
== NULL
)
161 p_sys
= p_filter
->p_sys
;
162 p_sys
->b_done
= false;
164 p_filter
->pf_video_filter
= Filter
;
166 /* needed to get options passed in transcode using the
167 * adjust{name=value} syntax */
168 config_ChainParse( p_filter
, CFG_PREFIX
, ppsz_filter_options
,
171 p_sys
->i_loops
= var_CreateGetIntegerCommand( p_filter
,
172 CFG_PREFIX
"loops" );
173 p_sys
->i_alpha
= var_CreateGetIntegerCommand( p_filter
,
174 CFG_PREFIX
"alpha" );
176 psz_temp
= var_CreateGetStringCommand( p_filter
, CFG_PREFIX
"base-chroma" );
177 p_sys
->i_base_chroma
= VLC_FOURCC( psz_temp
[0], psz_temp
[1],
178 psz_temp
[2], psz_temp
[3] );
179 psz_cmd
= var_CreateGetStringCommand( p_filter
, CFG_PREFIX
"base-image" );
180 blendbench_LoadImage( p_this
, &p_sys
->p_base_image
, p_sys
->i_base_chroma
,
185 psz_temp
= var_CreateGetStringCommand( p_filter
,
186 CFG_PREFIX
"blend-chroma" );
187 p_sys
->i_blend_chroma
= VLC_FOURCC( psz_temp
[0], psz_temp
[1],
188 psz_temp
[2], psz_temp
[3] );
189 psz_cmd
= var_CreateGetStringCommand( p_filter
, CFG_PREFIX
"blend-image" );
190 blendbench_LoadImage( p_this
, &p_sys
->p_blend_image
, p_sys
->i_blend_chroma
,
198 /*****************************************************************************
199 * Destroy: destroy video thread output method
200 *****************************************************************************/
201 static void Destroy( vlc_object_t
*p_this
)
203 filter_t
*p_filter
= (filter_t
*)p_this
;
204 filter_sys_t
*p_sys
= p_filter
->p_sys
;
206 picture_Release( p_sys
->p_base_image
);
207 picture_Release( p_sys
->p_blend_image
);
210 /*****************************************************************************
211 * Render: displays previously rendered output
212 *****************************************************************************/
213 static picture_t
*Filter( filter_t
*p_filter
, picture_t
*p_pic
)
215 filter_sys_t
*p_sys
= p_filter
->p_sys
;
221 p_blend
= vlc_object_create( p_filter
, sizeof(filter_t
) );
224 picture_Release( p_pic
);
227 vlc_object_attach( p_blend
, p_filter
);
228 p_blend
->fmt_out
.video
= p_sys
->p_base_image
->format
;
229 p_blend
->fmt_in
.video
= p_sys
->p_blend_image
->format
;
230 p_blend
->p_module
= module_need( p_blend
, "video blending", NULL
, false );
231 if( !p_blend
->p_module
)
233 picture_Release( p_pic
);
234 vlc_object_release( p_blend
);
238 mtime_t time
= mdate();
239 for( int i_iter
= 0; i_iter
< p_sys
->i_loops
; ++i_iter
)
241 p_blend
->pf_video_blend( p_blend
,
242 p_sys
->p_base_image
, p_sys
->p_blend_image
,
243 0, 0, p_sys
->i_alpha
);
245 time
= mdate() - time
;
247 msg_Info( p_filter
, "Blended %d images in %f sec.", p_sys
->i_loops
,
249 msg_Info( p_filter
, "Speed is: %f images/second, %f pixels/second",
250 (float) p_sys
->i_loops
/ time
* 1000000,
251 (float) p_sys
->i_loops
/ time
* 1000000 *
252 p_sys
->p_blend_image
->p
[Y_PLANE
].i_visible_pitch
*
253 p_sys
->p_blend_image
->p
[Y_PLANE
].i_visible_lines
);
255 module_unneed( p_blend
, p_blend
->p_module
);
257 vlc_object_release( p_blend
);
259 p_sys
->b_done
= true;