git.sesse.net Git - ffmpeg/blob - libavfilter/libmpcodecs/vf_pp.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <inttypes.h>
  23 #include <errno.h>
  24
  25 #include "config.h"
  26 #include "mp_msg.h"
  27 #include "cpudetect.h"
  28
  29 #if HAVE_MALLOC_H
  30 #include <malloc.h>
  31 #endif
  32
  33 #include "img_format.h"
  34 #include "mp_image.h"
  35 #include "vf.h"
  36 #include "libpostproc/postprocess.h"
  37
  38 #ifdef CONFIG_FFMPEG_A
  39 #define EMU_OLD
  40 #include "libpostproc/postprocess_internal.h"
  41 #endif
  42
  43 #undef malloc
  44
  45 struct vf_priv_s {
  46     int pp;
  47     pp_mode *ppMode[PP_QUALITY_MAX+1];
  48     void *context;
  49     unsigned int outfmt;
  50 };
  51
  52 //===========================================================================//
  53
  54 static int config(struct vf_instance *vf,
  55         int width, int height, int d_width, int d_height,
  56         unsigned int voflags, unsigned int outfmt){
  57     int flags= PP_CPU_CAPS_AUTO;
  58
  59     switch(outfmt){
  60     case IMGFMT_444P: flags|= PP_FORMAT_444; break;
  61     case IMGFMT_422P: flags|= PP_FORMAT_422; break;
  62     case IMGFMT_411P: flags|= PP_FORMAT_411; break;
  63     default:          flags|= PP_FORMAT_420; break;
  64     }
  65
  66     if(vf->priv->context) pp_free_context(vf->priv->context);
  67     vf->priv->context= pp_get_context(width, height, flags);
  68
  69     return ff_vf_next_config(vf,width,height,d_width,d_height,voflags,outfmt);
  70 }
  71
  72 static void uninit(struct vf_instance *vf){
  73     int i;
  74     for(i=0; i<=PP_QUALITY_MAX; i++){
  75         if(vf->priv->ppMode[i])
  76             pp_free_mode(vf->priv->ppMode[i]);
  77     }
  78     if(vf->priv->context) pp_free_context(vf->priv->context);
  79     free(vf->priv);
  80 }
  81
  82 static int query_format(struct vf_instance *vf, unsigned int fmt){
  83     switch(fmt){
  84     case IMGFMT_YV12:
  85     case IMGFMT_I420:
  86     case IMGFMT_IYUV:
  87     case IMGFMT_444P:
  88     case IMGFMT_422P:
  89     case IMGFMT_411P:
  90         return ff_vf_next_query_format(vf,fmt);
  91     }
  92     return 0;
  93 }
  94
  95 static int control(struct vf_instance *vf, int request, void* data){
  96     switch(request){
  97     case VFCTRL_QUERY_MAX_PP_LEVEL:
  98         return PP_QUALITY_MAX;
  99     case VFCTRL_SET_PP_LEVEL:
 100         vf->priv->pp= *((unsigned int*)data);
 101         return CONTROL_TRUE;
 102     }
 103     return ff_vf_next_control(vf,request,data);
 104 }
 105
 106 static void get_image(struct vf_instance *vf, mp_image_t *mpi){
 107     if(vf->priv->pp&0xFFFF) return; // non-local filters enabled
 108     if((mpi->type==MP_IMGTYPE_IPB || vf->priv->pp) &&
 109         mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
 110     if(!(mpi->flags&MP_IMGFLAG_ACCEPT_STRIDE) && mpi->imgfmt!=vf->priv->outfmt)
 111         return; // colorspace differ
 112     // ok, we can do pp in-place (or pp disabled):
 113     vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt,
 114         mpi->type, mpi->flags | MP_IMGFLAG_READABLE, mpi->width, mpi->height);
 115     mpi->planes[0]=vf->dmpi->planes[0];
 116     mpi->stride[0]=vf->dmpi->stride[0];
 117     mpi->width=vf->dmpi->width;
 118     if(mpi->flags&MP_IMGFLAG_PLANAR){
 119         mpi->planes[1]=vf->dmpi->planes[1];
 120         mpi->planes[2]=vf->dmpi->planes[2];
 121         mpi->stride[1]=vf->dmpi->stride[1];
 122         mpi->stride[2]=vf->dmpi->stride[2];
 123     }
 124     mpi->flags|=MP_IMGFLAG_DIRECT;
 125 }
 126
 127 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
 128     if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
 129         // no DR, so get a new image! hope we'll get DR buffer:
 130         vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt,
 131             MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE |
 132             MP_IMGFLAG_PREFER_ALIGNED_STRIDE | MP_IMGFLAG_READABLE,
 133 //            MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 134 //            mpi->w,mpi->h);
 135             (mpi->width+7)&(~7),(mpi->height+7)&(~7));
 136         vf->dmpi->w=mpi->w; vf->dmpi->h=mpi->h; // display w;h
 137     }
 138
 139     if(vf->priv->pp || !(mpi->flags&MP_IMGFLAG_DIRECT)){
 140         // do the postprocessing! (or copy if no DR)
 141         pp_postprocess(mpi->planes           ,mpi->stride,
 142                     vf->dmpi->planes,vf->dmpi->stride,
 143                     (mpi->w+7)&(~7),mpi->h,
 144                     mpi->qscale, mpi->qstride,
 145                     vf->priv->ppMode[ vf->priv->pp ], vf->priv->context,
 146 #ifdef PP_PICT_TYPE_QP2
 147                     mpi->pict_type | (mpi->qscale_type ? PP_PICT_TYPE_QP2 : 0));
 148 #else
 149                     mpi->pict_type);
 150 #endif
 151     }
 152     return ff_vf_next_put_image(vf,vf->dmpi, pts);
 153 }
 154
 155 //===========================================================================//
 156
 157 static const unsigned int fmt_list[]={
 158     IMGFMT_YV12,
 159     IMGFMT_I420,
 160     IMGFMT_IYUV,
 161     IMGFMT_444P,
 162     IMGFMT_422P,
 163     IMGFMT_411P,
 164     0
 165 };
 166
 167 static int vf_open(vf_instance_t *vf, char *args){
 168     char *endptr, *name;
 169     int i;
 170     int hex_mode=0;
 171
 172     vf->query_format=query_format;
 173     vf->control=control;
 174     vf->config=config;
 175     vf->get_image=get_image;
 176     vf->put_image=put_image;
 177     vf->uninit=uninit;
 178     vf->default_caps=VFCAP_ACCEPT_STRIDE|VFCAP_POSTPROC;
 179     vf->priv=malloc(sizeof(struct vf_priv_s));
 180     vf->priv->context=NULL;
 181
 182     // check csp:
 183     vf->priv->outfmt=ff_vf_match_csp(&vf->next,fmt_list,IMGFMT_YV12);
 184     if(!vf->priv->outfmt) return 0; // no csp match :(
 185
 186     if(args && *args){
 187         hex_mode= strtol(args, &endptr, 0);
 188         if(*endptr){
 189             name= args;
 190         }else
 191             name= NULL;
 192     }else{
 193         name="de";
 194     }
 195
 196 #ifdef EMU_OLD
 197     if(name){
 198 #endif
 199         for(i=0; i<=PP_QUALITY_MAX; i++){
 200             vf->priv->ppMode[i]= pp_get_mode_by_name_and_quality(name, i);
 201             if(vf->priv->ppMode[i]==NULL) return -1;
 202         }
 203 #ifdef EMU_OLD
 204     }else{
 205         /* hex mode for compatibility */
 206         for(i=0; i<=PP_QUALITY_MAX; i++){
 207             PPMode *ppMode;
 208
 209             ppMode = av_malloc(sizeof(PPMode));
 210
 211             ppMode->lumMode= hex_mode;
 212             ppMode->chromMode= ((hex_mode&0xFF)>>4) | (hex_mode&0xFFFFFF00);
 213             ppMode->maxTmpNoise[0]= 700;
 214             ppMode->maxTmpNoise[1]= 1500;
 215             ppMode->maxTmpNoise[2]= 3000;
 216             ppMode->maxAllowedY= 234;
 217             ppMode->minAllowedY= 16;
 218             ppMode->baseDcDiff= 256/4;
 219             ppMode->flatnessThreshold=40;
 220
 221             vf->priv->ppMode[i]= ppMode;
 222         }
 223     }
 224 #endif
 225
 226     vf->priv->pp=PP_QUALITY_MAX;
 227     return 1;
 228 }
 229
 230 const vf_info_t ff_vf_info_pp = {
 231     "postprocessing",
 232     "pp",
 233     "A'rpi",
 234     "",
 235     vf_open,
 236     NULL
 237 };
 238
 239 //===========================================================================//