1 /*****************************************************************************
2 * postproc.c: video postprocessing using libpostproc
3 *****************************************************************************
4 * Copyright (C) 1999-2008 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@netcourrier.com>
9 * Antoine Cellerier <dionoea at videolan dot org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
30 #include <vlc_common.h>
31 #include <vlc_plugin.h>
32 #include <vlc_filter.h>
34 #include "filter_picture.h"
36 #ifdef HAVE_POSTPROC_POSTPROCESS_H
37 # include <postproc/postprocess.h>
39 # include <libpostproc/postprocess.h>
42 #ifndef PP_CPU_CAPS_ALTIVEC
43 # define PP_CPU_CAPS_ALTIVEC 0
46 /*****************************************************************************
48 *****************************************************************************/
49 static int OpenPostproc( vlc_object_t * );
50 static void ClosePostproc( vlc_object_t * );
52 static picture_t *PostprocPict( filter_t *, picture_t * );
54 static int PPQCallback( vlc_object_t *, char const *,
55 vlc_value_t, vlc_value_t, void * );
56 static int PPNameCallback( vlc_object_t *, char const *,
57 vlc_value_t, vlc_value_t, void * );
59 #define Q_TEXT N_("Post processing quality")
60 #define Q_LONGTEXT N_( \
61 "Quality of post processing. Valid range is 0 to 6\n" \
62 "Higher levels require considerable more CPU power, but produce " \
63 "better looking pictures." )
65 #define NAME_TEXT N_("FFmpeg post processing filter chains")
66 #define NAME_LONGTEXT NAME_TEXT
68 #define FILTER_PREFIX "postproc-"
70 /*****************************************************************************
72 *****************************************************************************/
74 set_description( N_("Video post processing filter") )
75 set_shortname( N_("Postproc" ) )
76 add_shortcut( "postprocess" ) /* name is "postproc" */
78 set_category( CAT_VIDEO )
79 set_subcategory( SUBCAT_VIDEO_VFILTER )
81 set_capability( "video filter2", 0 )
83 set_callbacks( OpenPostproc, ClosePostproc )
85 add_integer_with_range( FILTER_PREFIX "q", PP_QUALITY_MAX, 0,
86 PP_QUALITY_MAX, NULL, Q_TEXT, Q_LONGTEXT, false )
87 add_deprecated_alias( "ffmpeg-pp-q" )
89 add_string( FILTER_PREFIX "name", "default", NULL, NAME_TEXT,
91 add_deprecated_alias( "ffmpeg-pp-name" )
94 static const char *const ppsz_filter_options[] = {
98 /*****************************************************************************
99 * filter_sys_t : libpostproc video postprocessing descriptor
100 *****************************************************************************/
103 pp_context_t *pp_context; /* Never changes after init */
104 pp_mode_t *pp_mode; /* Set to NULL if post processing is disabled */
106 bool b_had_matrix; /* Set to true if previous pic had a quant matrix (used to prevent spamming warning messages */
108 vlc_mutex_t lock; /* Lock when using or changing pp_mode */
112 /*****************************************************************************
113 * OpenPostproc: probe and open the postproc
114 *****************************************************************************/
115 static int OpenPostproc( vlc_object_t *p_this )
117 filter_t *p_filter = (filter_t *)p_this;
119 vlc_value_t val, val_orig, text;
120 unsigned i_cpu = vlc_CPU();
123 if( p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma ||
124 p_filter->fmt_in.video.i_height != p_filter->fmt_out.video.i_height ||
125 p_filter->fmt_in.video.i_width != p_filter->fmt_out.video.i_width )
127 msg_Err( p_filter, "Filter input and output formats must be identical" );
131 /* Set CPU capabilities */
132 if( i_cpu & CPU_CAPABILITY_MMX )
133 i_flags |= PP_CPU_CAPS_MMX;
134 if( i_cpu & CPU_CAPABILITY_MMXEXT )
135 i_flags |= PP_CPU_CAPS_MMX2;
136 if( i_cpu & CPU_CAPABILITY_3DNOW )
137 i_flags |= PP_CPU_CAPS_3DNOW;
138 if( i_cpu & CPU_CAPABILITY_ALTIVEC )
139 i_flags |= PP_CPU_CAPS_ALTIVEC;
141 switch( p_filter->fmt_in.video.i_chroma )
145 /* case VLC_CODEC_YUVA: FIXME Should work but alpha plane needs to be copied manually and I'm kind of feeling too lazy to write the code to do that ATM (i_pitch vs i_visible_pitch...). */
146 i_flags |= PP_FORMAT_444;
150 i_flags |= PP_FORMAT_422;
153 i_flags |= PP_FORMAT_411;
158 i_flags |= PP_FORMAT_420;
161 msg_Err( p_filter, "Unsupported input chroma (%4s)",
162 (char*)&p_filter->fmt_in.video.i_chroma );
166 p_sys = malloc( sizeof( filter_sys_t ) );
167 if( !p_sys ) return VLC_ENOMEM;
168 p_filter->p_sys = p_sys;
170 p_sys->pp_context = pp_get_context( p_filter->fmt_in.video.i_width,
171 p_filter->fmt_in.video.i_height,
173 if( !p_sys->pp_context )
175 msg_Err( p_filter, "Error while creating post processing context." );
180 config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
183 var_Create( p_filter, FILTER_PREFIX "q",
184 VLC_VAR_INTEGER | VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT |
186 var_Change( p_filter, FILTER_PREFIX "q", VLC_VAR_SETISCOMMAND, NULL, NULL ); /* For some obscure reason the VLC_VAR_ISCOMMAND isn't taken into account in during var_Create */
187 var_AddCallback( p_filter, FILTER_PREFIX "q", PPQCallback, NULL );
188 text.psz_string = _("Post processing");
189 var_Change( p_filter, FILTER_PREFIX "q", VLC_VAR_SETTEXT, &text, NULL );
191 var_Get( p_filter, FILTER_PREFIX "q", &val_orig );
192 var_Change( p_filter, FILTER_PREFIX "q", VLC_VAR_DELCHOICE, &val_orig, NULL );
194 val.psz_string = var_CreateGetNonEmptyStringCommand(
195 p_filter, FILTER_PREFIX "name" );
196 var_AddCallback( p_filter, FILTER_PREFIX "name", PPNameCallback, NULL );
199 p_sys->pp_mode = pp_get_mode_by_name_and_quality( val.psz_string ?
204 if( !p_sys->pp_mode )
206 msg_Err( p_filter, "Error while creating post processing mode." );
207 free( val.psz_string );
208 var_Destroy( p_filter, FILTER_PREFIX "q" );
209 pp_free_context( p_sys->pp_context );
216 p_sys->pp_mode = NULL;
218 free( val.psz_string );
220 for( val.i_int = 0; val.i_int <= PP_QUALITY_MAX; val.i_int++ )
225 text.psz_string = _("Disable");
228 text.psz_string = _("Lowest");
231 text.psz_string = _("Highest");
234 text.psz_string = NULL;
237 var_Change( p_filter, FILTER_PREFIX "q", VLC_VAR_ADDCHOICE,
238 &val, text.psz_string?&text:NULL );
241 vlc_mutex_init( &p_sys->lock ); /* FIXME: too late w.r.t. callback */
243 p_filter->pf_video_filter = PostprocPict;
244 p_sys->b_had_matrix = true;
249 /*****************************************************************************
251 *****************************************************************************/
252 static void ClosePostproc( vlc_object_t *p_this )
254 filter_t *p_filter = (filter_t *)p_this;
255 filter_sys_t *p_sys = p_filter->p_sys;
257 /* FIXME: delete callbacks before mutex */
258 vlc_mutex_destroy( &p_sys->lock );
259 pp_free_context( p_sys->pp_context );
260 if( p_sys->pp_mode ) pp_free_mode( p_sys->pp_mode );
264 /*****************************************************************************
266 *****************************************************************************/
267 static picture_t *PostprocPict( filter_t *p_filter, picture_t *p_pic )
269 filter_sys_t *p_sys = p_filter->p_sys;
271 const uint8_t *src[3];
274 int i_src_stride[3], i_dst_stride[3];
276 vlc_mutex_lock( &p_sys->lock ); /* Lock to prevent issues if pp_mode is changed */
277 if( !p_sys->pp_mode )
279 vlc_mutex_unlock( &p_sys->lock );
283 picture_t *p_outpic = filter_NewPicture( p_filter );
286 picture_Release( p_pic );
287 vlc_mutex_unlock( &p_sys->lock );
291 for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
293 src[i_plane] = p_pic->p[i_plane].p_pixels;
294 dst[i_plane] = p_outpic->p[i_plane].p_pixels;
296 /* I'm not sure what happens if i_pitch != i_visible_pitch ...
297 * at least it shouldn't crash. */
298 i_src_stride[i_plane] = p_pic->p[i_plane].i_pitch;
299 i_dst_stride[i_plane] = p_outpic->p[i_plane].i_pitch;
302 if( !p_pic->p_q && p_sys->b_had_matrix )
304 msg_Warn( p_filter, "Quantification table was not set by video decoder. Postprocessing won't look good." );
305 p_sys->b_had_matrix = false;
307 else if( p_pic->p_q )
309 p_sys->b_had_matrix = true;
312 pp_postprocess( src, i_src_stride, dst, i_dst_stride,
313 p_filter->fmt_in.video.i_width,
314 p_filter->fmt_in.video.i_height,
315 p_pic->p_q, p_pic->i_qstride,
316 p_sys->pp_mode, p_sys->pp_context,
317 p_pic->i_qtype == QTYPE_MPEG2 ? PP_PICT_TYPE_QP2 : 0 );
318 vlc_mutex_unlock( &p_sys->lock );
320 return CopyInfoAndRelease( p_outpic, p_pic );
323 /*****************************************************************************
325 *****************************************************************************/
326 static void PPChangeMode( filter_t *p_filter, const char *psz_name,
329 filter_sys_t *p_sys = p_filter->p_sys;
330 vlc_mutex_lock( &p_sys->lock );
333 pp_mode_t *pp_mode = pp_get_mode_by_name_and_quality( psz_name ?
339 pp_free_mode( p_sys->pp_mode );
340 p_sys->pp_mode = pp_mode;
343 msg_Warn( p_filter, "Error while changing post processing mode. "
344 "Keeping previous mode." );
348 pp_free_mode( p_sys->pp_mode );
349 p_sys->pp_mode = NULL;
351 vlc_mutex_unlock( &p_sys->lock );
354 static int PPQCallback( vlc_object_t *p_this, const char *psz_var,
355 vlc_value_t oldval, vlc_value_t newval, void *p_data )
357 VLC_UNUSED(psz_var); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
358 filter_t *p_filter = (filter_t *)p_this;
360 char *psz_name = var_GetNonEmptyString( p_filter, FILTER_PREFIX "name" );
361 PPChangeMode( p_filter, psz_name, newval.i_int );
366 static int PPNameCallback( vlc_object_t *p_this, const char *psz_var,
367 vlc_value_t oldval, vlc_value_t newval, void *p_data )
369 VLC_UNUSED(psz_var); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
370 filter_t *p_filter = (filter_t *)p_this;
372 int i_quality = var_GetInteger( p_filter, FILTER_PREFIX "q" );
373 PPChangeMode( p_filter, *newval.psz_string?newval.psz_string:NULL, i_quality );