1 /*****************************************************************************
2 * postprocess.c: video postprocessing using the ffmpeg library
3 *****************************************************************************
4 * Copyright (C) 1999-2001 VideoLAN
5 * $Id: postprocess.c,v 1.7 2004/01/25 18:20:12 bigben Exp $
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@netcourrier.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
27 #include <vlc/decoder.h>
30 #ifdef HAVE_FFMPEG_AVCODEC_H
31 # include <ffmpeg/avcodec.h>
40 #ifdef HAVE_POSTPROC_POSTPROCESS_H
41 # include <postproc/postprocess.h>
43 # include <libpostproc/postprocess.h>
46 /*****************************************************************************
47 * video_postproc_sys_t : ffmpeg video postprocessing descriptor
48 *****************************************************************************/
49 typedef struct video_postproc_sys_t
51 pp_context_t *pp_context;
59 } video_postproc_sys_t;
61 static int PPQCallback( vlc_object_t *p_this, char const *psz_cmd,
62 vlc_value_t oldval, vlc_value_t newval, void *p_data );
64 /*****************************************************************************
65 * OpenPostproc: probe and open the postproc
66 *****************************************************************************/
67 void *E_(OpenPostproc)( decoder_t *p_dec, vlc_bool_t *pb_pp )
69 video_postproc_sys_t *p_sys;
70 vlc_value_t val, val_orig, text;
72 p_sys = malloc( sizeof(video_postproc_sys_t) );
73 p_sys->pp_context = NULL;
74 p_sys->pp_mode = NULL;
79 /* Create object variable if not already done */
80 if( var_Type( p_dec, "ffmpeg-pp-q" ) == 0 )
82 var_Create( p_dec, "ffmpeg-pp-q",
83 VLC_VAR_INTEGER | VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
84 text.psz_string = _("Post processing");
85 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_SETTEXT, &text, NULL );
87 var_Get( p_dec, "ffmpeg-pp-q", &val_orig );
88 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_DELCHOICE, &val_orig, NULL );
90 val.i_int = 0; text.psz_string = _("Disable");
91 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
92 val.i_int = 1; text.psz_string = _("1 (Lowest)");
93 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
95 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
97 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
99 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
101 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
102 val.i_int = 6; text.psz_string = _("6 (Highest)");
103 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
104 var_AddCallback( p_dec, "ffmpeg-pp-q", PPQCallback, p_sys );
107 /* ***** Load post processing if enabled ***** */
108 var_Get( p_dec, "ffmpeg-pp-q", &val );
109 var_Set( p_dec, "ffmpeg-pp-q", val_orig );
114 /*****************************************************************************
116 *****************************************************************************/
117 int E_(InitPostproc)( decoder_t *p_dec, void *p_data,
118 int i_width, int i_height, int pix_fmt )
120 video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
121 int32_t i_cpu = p_dec->p_libvlc->i_cpu;
124 if( i_cpu & CPU_CAPABILITY_MMX )
126 i_flags |= PP_CPU_CAPS_MMX;
128 if( i_cpu & CPU_CAPABILITY_MMXEXT )
130 i_flags |= PP_CPU_CAPS_MMX2;
132 if( i_cpu & CPU_CAPABILITY_3DNOW )
134 i_flags |= PP_CPU_CAPS_3DNOW;
139 case PIX_FMT_YUV444P:
140 i_flags |= PP_FORMAT_444;
142 case PIX_FMT_YUV422P:
143 i_flags |= PP_FORMAT_422;
145 case PIX_FMT_YUV411P:
146 i_flags |= PP_FORMAT_411;
149 i_flags |= PP_FORMAT_420;
153 p_sys->pp_context = pp_get_context( i_width, i_height, i_flags );
154 p_sys->i_width = i_width;
155 p_sys->i_height = i_height;
160 /*****************************************************************************
162 *****************************************************************************/
163 int E_(PostprocPict)( decoder_t *p_dec, void *p_data,
164 picture_t *p_pic, AVFrame *p_ff_pic )
166 video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
168 uint8_t *src[3], *dst[3];
169 int i_plane, i_src_stride[3], i_dst_stride[3];
171 for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
173 src[i_plane] = p_ff_pic->data[i_plane];
174 dst[i_plane] = p_pic->p[i_plane].p_pixels;
176 i_src_stride[i_plane] = p_ff_pic->linesize[i_plane];
177 i_dst_stride[i_plane] = p_pic->p[i_plane].i_pitch;
180 pp_postprocess( src, i_src_stride, dst, i_dst_stride,
181 p_sys->i_width, p_sys->i_height,
182 p_ff_pic->qscale_table, p_ff_pic->qstride,
183 p_sys->pp_mode, p_sys->pp_context,
184 p_ff_pic->pict_type );
189 /*****************************************************************************
191 *****************************************************************************/
192 void E_(ClosePostproc)( decoder_t *p_dec, void *p_data )
194 video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
196 if( p_sys && p_sys->pp_mode )
198 pp_free_mode( p_sys->pp_mode );
199 if( p_sys->pp_context ) pp_free_context( p_sys->pp_context );
202 var_DelCallback( p_dec, "ffmpeg-pp-q", PPQCallback, p_sys );
204 if( p_sys ) free( p_sys );
207 /*****************************************************************************
208 * object variables callbacks: a bunch of object variables are used by the
209 * interfaces to interact with the decoder.
210 *****************************************************************************/
211 static int PPQCallback( vlc_object_t *p_this, char const *psz_cmd,
212 vlc_value_t oldval, vlc_value_t newval, void *p_data )
214 decoder_t *p_dec = (decoder_t *)p_this;
215 video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
217 if( newval.i_int > 0 )
219 int i_quality = newval.i_int;
220 char *psz_name = config_GetPsz( p_dec, "ffmpeg-pp-name" );
225 psz_name = strdup( "default" );
227 else if( *psz_name == '\0' )
230 psz_name = strdup( "default" );
233 pp_mode = pp_get_mode_by_name_and_quality( psz_name, i_quality );
237 msg_Err( p_dec, "failed getting mode for postproc" );
242 msg_Dbg( p_dec, "postprocessing enabled" );
246 p_sys->pp_mode = pp_mode;
250 msg_Dbg( p_dec, "postprocessing disabled" );
253 *p_sys->pb_pp = newval.i_int;
258 #endif /* LIBAVCODEC_PP */