1 /*****************************************************************************
2 * postprocess.c: video postprocessing using the ffmpeg library
3 *****************************************************************************
4 * Copyright (C) 1999-2001 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
27 #include <vlc_codec.h>
30 #ifdef HAVE_FFMPEG_AVCODEC_H
31 # include <ffmpeg/avcodec.h>
38 #ifdef HAVE_POSTPROC_POSTPROCESS_H
39 # include <postproc/postprocess.h>
41 # include <libpostproc/postprocess.h>
44 #ifndef PP_CPU_CAPS_ALTIVEC
45 # define PP_CPU_CAPS_ALTIVEC 0
48 /*****************************************************************************
49 * video_postproc_sys_t : ffmpeg video postprocessing descriptor
50 *****************************************************************************/
51 typedef struct video_postproc_sys_t
53 pp_context_t *pp_context;
61 } video_postproc_sys_t;
63 static int PPQCallback( vlc_object_t *p_this, char const *psz_cmd,
64 vlc_value_t oldval, vlc_value_t newval, void *p_data );
66 /*****************************************************************************
67 * OpenPostproc: probe and open the postproc
68 *****************************************************************************/
69 void *E_(OpenPostproc)( decoder_t *p_dec, vlc_bool_t *pb_pp )
71 video_postproc_sys_t *p_sys;
72 vlc_value_t val, val_orig, text;
74 p_sys = malloc( sizeof(video_postproc_sys_t) );
75 p_sys->pp_context = NULL;
76 p_sys->pp_mode = NULL;
81 /* Create object variable if not already done */
82 if( var_Type( p_dec, "ffmpeg-pp-q" ) == 0 )
84 var_Create( p_dec, "ffmpeg-pp-q",
85 VLC_VAR_INTEGER | VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
86 text.psz_string = _("Post processing");
87 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_SETTEXT, &text, NULL );
89 var_Get( p_dec, "ffmpeg-pp-q", &val_orig );
90 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_DELCHOICE, &val_orig, NULL );
92 val.i_int = 0; text.psz_string = _("Disable");
93 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
94 val.i_int = 1; text.psz_string = _("1 (Lowest)");
95 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
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 );
103 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
104 val.i_int = 6; text.psz_string = _("6 (Highest)");
105 var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
106 var_AddCallback( p_dec, "ffmpeg-pp-q", PPQCallback, p_sys );
109 /* ***** Load post processing if enabled ***** */
110 var_Get( p_dec, "ffmpeg-pp-q", &val );
111 var_Set( p_dec, "ffmpeg-pp-q", val_orig );
118 /*****************************************************************************
120 *****************************************************************************/
121 int E_(InitPostproc)( decoder_t *p_dec, void *p_data,
122 int i_width, int i_height, int pix_fmt )
124 video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
125 unsigned i_cpu = vlc_CPU();
128 /* Set CPU capabilities */
129 if( i_cpu & CPU_CAPABILITY_MMX )
131 i_flags |= PP_CPU_CAPS_MMX;
133 if( i_cpu & CPU_CAPABILITY_MMXEXT )
135 i_flags |= PP_CPU_CAPS_MMX2;
137 if( i_cpu & CPU_CAPABILITY_3DNOW )
139 i_flags |= PP_CPU_CAPS_3DNOW;
141 if( i_cpu & CPU_CAPABILITY_ALTIVEC )
143 i_flags |= PP_CPU_CAPS_ALTIVEC;
148 case PIX_FMT_YUV444P:
149 i_flags |= PP_FORMAT_444;
151 case PIX_FMT_YUV422P:
152 i_flags |= PP_FORMAT_422;
154 case PIX_FMT_YUV411P:
155 i_flags |= PP_FORMAT_411;
158 i_flags |= PP_FORMAT_420;
162 p_sys->pp_context = pp_get_context( i_width, i_height, i_flags );
163 p_sys->i_width = i_width;
164 p_sys->i_height = i_height;
169 /*****************************************************************************
171 *****************************************************************************/
172 int E_(PostprocPict)( decoder_t *p_dec, void *p_data,
173 picture_t *p_pic, AVFrame *p_ff_pic )
175 video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
177 uint8_t *src[3], *dst[3];
178 int i_plane, i_src_stride[3], i_dst_stride[3];
180 for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
182 src[i_plane] = p_ff_pic->data[i_plane];
183 dst[i_plane] = p_pic->p[i_plane].p_pixels;
185 i_src_stride[i_plane] = p_ff_pic->linesize[i_plane];
186 i_dst_stride[i_plane] = p_pic->p[i_plane].i_pitch;
189 pp_postprocess( src, i_src_stride, dst, i_dst_stride,
190 p_sys->i_width, p_sys->i_height,
191 p_ff_pic->qscale_table, p_ff_pic->qstride,
192 p_sys->pp_mode, p_sys->pp_context,
193 p_ff_pic->pict_type );
198 /*****************************************************************************
200 *****************************************************************************/
201 void E_(ClosePostproc)( decoder_t *p_dec, void *p_data )
203 video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
205 if( p_sys && p_sys->pp_mode )
207 pp_free_mode( p_sys->pp_mode );
208 if( p_sys->pp_context ) pp_free_context( p_sys->pp_context );
211 var_DelCallback( p_dec, "ffmpeg-pp-q", PPQCallback, p_sys );
213 if( p_sys ) free( p_sys );
216 /*****************************************************************************
217 * object variables callbacks: a bunch of object variables are used by the
218 * interfaces to interact with the decoder.
219 *****************************************************************************/
220 static int PPQCallback( vlc_object_t *p_this, char const *psz_cmd,
221 vlc_value_t oldval, vlc_value_t newval, void *p_data )
223 decoder_t *p_dec = (decoder_t *)p_this;
224 video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
226 if( newval.i_int > 0 )
228 int i_quality = newval.i_int;
229 char *psz_name = config_GetPsz( p_dec, "ffmpeg-pp-name" );
234 psz_name = strdup( "default" );
236 else if( *psz_name == '\0' )
239 psz_name = strdup( "default" );
242 pp_mode = pp_get_mode_by_name_and_quality( psz_name, i_quality );
246 msg_Err( p_dec, "failed getting mode for postproc" );
251 msg_Dbg( p_dec, "postprocessing enabled" );
255 p_sys->pp_mode = pp_mode;
259 msg_Dbg( p_dec, "postprocessing disabled" );
262 *p_sys->pb_pp = newval.i_int;