libmpcodecs/dec_video.c

   1
   2 #include "config.h"
   3
   4 #include <stdio.h>
   5 #if HAVE_MALLOC_H
   6 #include <malloc.h>
   7 #endif
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10
  11 #include "mp_msg.h"
  12 #include "help_mp.h"
  13
  14 #include "osdep/timer.h"
  15 #include "osdep/shmem.h"
  16
  17 #include "stream/stream.h"
  18 #include "libmpdemux/demuxer.h"
  19 #include "libmpdemux/parse_es.h"
  20
  21 #include "codec-cfg.h"
  22
  23 #include "libvo/video_out.h"
  24
  25 #include "libmpdemux/stheader.h"
  26 #include "vd.h"
  27 #include "vf.h"
  28
  29 #include "dec_video.h"
  30
  31 #ifdef CONFIG_DYNAMIC_PLUGINS
  32 #include <dlfcn.h>
  33 #endif
  34
  35 // ===================================================================
  36
  37 extern double video_time_usage;
  38 extern double vout_time_usage;
  39
  40 #include "cpudetect.h"
  41
  42 int field_dominance=-1;
  43
  44 int divx_quality=0;
  45
  46 vd_functions_t* mpvdec=NULL;
  47
  48 int get_video_quality_max(sh_video_t *sh_video){
  49   vf_instance_t* vf=sh_video->vfilter;
  50   if(vf){
  51     int ret=vf->control(vf,VFCTRL_QUERY_MAX_PP_LEVEL,NULL);
  52     if(ret>0){
  53       mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_UsingExternalPP,ret);
  54       return ret;
  55     }
  56   }
  57   if(mpvdec){
  58     int ret=mpvdec->control(sh_video,VDCTRL_QUERY_MAX_PP_LEVEL,NULL);
  59     if(ret>0){
  60       mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_UsingCodecPP,ret);
  61       return ret;
  62     }
  63   }
  64 //  mp_msg(MSGT_DECVIDEO,MSGL_INFO,"[PP] Sorry, postprocessing is not available\n");
  65   return 0;
  66 }
  67
  68 void set_video_quality(sh_video_t *sh_video,int quality){
  69   vf_instance_t* vf=sh_video->vfilter;
  70   if(vf){
  71     int ret=vf->control(vf,VFCTRL_SET_PP_LEVEL, (void*)(&quality));
  72     if(ret==CONTROL_TRUE) return; // success
  73   }
  74   if(mpvdec)
  75     mpvdec->control(sh_video,VDCTRL_SET_PP_LEVEL, (void*)(&quality));
  76 }
  77
  78 int set_video_colors(sh_video_t *sh_video,const char *item,int value)
  79 {
  80     vf_instance_t* vf=sh_video->vfilter;
  81     vf_equalizer_t data;
  82
  83     data.item = item;
  84     data.value = value;
  85
  86     mp_dbg(MSGT_DECVIDEO,MSGL_V,"set video colors %s=%d \n", item, value);
  87     if (vf)
  88     {
  89         int ret = vf->control(vf, VFCTRL_SET_EQUALIZER, &data);
  90         if (ret == CONTROL_TRUE)
  91             return 1;
  92     }
  93     /* try software control */
  94     if(mpvdec)
  95         if( mpvdec->control(sh_video,VDCTRL_SET_EQUALIZER, item, (int *)value)
  96             == CONTROL_OK) return 1;
  97     mp_msg(MSGT_DECVIDEO,MSGL_V,MSGTR_VideoAttributeNotSupportedByVO_VD,item);
  98     return 0;
  99 }
 100
 101 int get_video_colors(sh_video_t *sh_video,const char *item,int *value)
 102 {
 103     vf_instance_t* vf=sh_video->vfilter;
 104     vf_equalizer_t data;
 105
 106     data.item = item;
 107
 108     mp_dbg(MSGT_DECVIDEO,MSGL_V,"get video colors %s \n", item);
 109     if (vf)
 110     {
 111         int ret = vf->control(vf, VFCTRL_GET_EQUALIZER, &data);
 112         if (ret == CONTROL_TRUE){
 113             *value = data.value;
 114             return 1;
 115         }
 116     }
 117     /* try software control */
 118     if(mpvdec) return mpvdec->control(sh_video,VDCTRL_GET_EQUALIZER, item, value);
 119     return 0;
 120 }
 121
 122 int set_rectangle(sh_video_t *sh_video,int param,int value)
 123 {
 124     vf_instance_t* vf=sh_video->vfilter;
 125     int data[] = {param, value};
 126
 127     mp_dbg(MSGT_DECVIDEO,MSGL_V,"set rectangle \n");
 128     if (vf)
 129     {
 130         int ret = vf->control(vf, VFCTRL_CHANGE_RECTANGLE, data);
 131         if (ret)
 132             return 1;
 133     }
 134     return 0;
 135 }
 136
 137 void resync_video_stream(sh_video_t *sh_video)
 138 {
 139     if(mpvdec) mpvdec->control(sh_video, VDCTRL_RESYNC_STREAM, NULL);
 140 }
 141
 142 int get_current_video_decoder_lag(sh_video_t *sh_video)
 143 {
 144     int ret;
 145
 146     if (!mpvdec)
 147         return -1;
 148     ret = mpvdec->control(sh_video, VDCTRL_QUERY_UNSEEN_FRAMES, NULL);
 149     if (ret >= 10)
 150         return ret-10;
 151     return -1;
 152 }
 153
 154 void uninit_video(sh_video_t *sh_video){
 155     if(!sh_video->initialized) return;
 156     mp_msg(MSGT_DECVIDEO,MSGL_V,MSGTR_UninitVideoStr,sh_video->codec->drv);
 157     mpvdec->uninit(sh_video);
 158 #ifdef CONFIG_DYNAMIC_PLUGINS
 159     if (sh_video->dec_handle)
 160         dlclose(sh_video->dec_handle);
 161 #endif
 162     vf_uninit_filter_chain(sh_video->vfilter);
 163     sh_video->initialized=0;
 164 }
 165
 166 void vfm_help(void){
 167     int i;
 168     mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_AvailableVideoFm);
 169     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_DRIVERS\n");
 170     mp_msg(MSGT_DECVIDEO,MSGL_INFO,"   vfm:    info:  (comment)\n");
 171     for (i=0; mpcodecs_vd_drivers[i] != NULL; i++)
 172         mp_msg(MSGT_DECVIDEO,MSGL_INFO,"%8s  %s (%s)\n",
 173             mpcodecs_vd_drivers[i]->info->short_name,
 174             mpcodecs_vd_drivers[i]->info->name,
 175             mpcodecs_vd_drivers[i]->info->comment);
 176 }
 177
 178 static int init_video(sh_video_t *sh_video,char* codecname,char* vfm,int status,
 179                stringset_t *selected){
 180     int force = 0;
 181     unsigned int orig_fourcc=sh_video->bih?sh_video->bih->biCompression:0;
 182     sh_video->codec=NULL;
 183     sh_video->vf_initialized=0;
 184     if (codecname && codecname[0] == '+') {
 185       codecname = &codecname[1];
 186       force = 1;
 187     }
 188
 189     while(1){
 190         int i;
 191         int orig_w, orig_h;
 192         // restore original fourcc:
 193         if(sh_video->bih) sh_video->bih->biCompression=orig_fourcc;
 194         if(!(sh_video->codec=find_video_codec(sh_video->format,
 195           sh_video->bih?((unsigned int*) &sh_video->bih->biCompression):NULL,
 196           sh_video->codec,force) )) break;
 197         // ok we found one codec
 198         if(stringset_test(selected, sh_video->codec->name)) continue; // already tried & failed
 199         if(codecname && strcmp(sh_video->codec->name,codecname)) continue; // -vc
 200         if(vfm && strcmp(sh_video->codec->drv,vfm)) continue; // vfm doesn't match
 201         if(!force && sh_video->codec->status<status) continue; // too unstable
 202         stringset_add(selected, sh_video->codec->name); // tagging it
 203         // ok, it matches all rules, let's find the driver!
 204         for (i=0; mpcodecs_vd_drivers[i] != NULL; i++)
 205 //          if(mpcodecs_vd_drivers[i]->info->id==sh_video->codec->driver) break;
 206             if(!strcmp(mpcodecs_vd_drivers[i]->info->short_name,sh_video->codec->drv)) break;
 207         mpvdec=mpcodecs_vd_drivers[i];
 208 #ifdef CONFIG_DYNAMIC_PLUGINS
 209         if (!mpvdec)
 210         {
 211             /* try to open shared decoder plugin */
 212             int buf_len;
 213             char *buf;
 214             vd_functions_t *funcs_sym;
 215             vd_info_t *info_sym;
 216
 217             buf_len = strlen(MPLAYER_LIBDIR)+strlen(sh_video->codec->drv)+16;
 218             buf = malloc(buf_len);
 219             if (!buf)
 220                 break;
 221             snprintf(buf, buf_len, "%s/mplayer/vd_%s.so", MPLAYER_LIBDIR, sh_video->codec->drv);
 222             mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "Trying to open external plugin: %s\n", buf);
 223             sh_video->dec_handle = dlopen(buf, RTLD_LAZY);
 224             if (!sh_video->dec_handle)
 225                 break;
 226             snprintf(buf, buf_len, "mpcodecs_vd_%s", sh_video->codec->drv);
 227             funcs_sym = dlsym(sh_video->dec_handle, buf);
 228             if (!funcs_sym || !funcs_sym->info || !funcs_sym->init ||
 229                 !funcs_sym->uninit || !funcs_sym->control || !funcs_sym->decode)
 230                 break;
 231             info_sym = funcs_sym->info;
 232             if (strcmp(info_sym->short_name, sh_video->codec->drv))
 233                 break;
 234             free(buf);
 235             mpvdec = funcs_sym;
 236             mp_msg(MSGT_DECVIDEO, MSGL_V, "Using external decoder plugin (%s/mplayer/vd_%s.so)!\n",
 237                 MPLAYER_LIBDIR, sh_video->codec->drv);
 238         }
 239 #endif
 240         if(!mpvdec){ // driver not available (==compiled in)
 241             mp_msg(MSGT_DECVIDEO,MSGL_WARN,MSGTR_VideoCodecFamilyNotAvailableStr,
 242                 sh_video->codec->name, sh_video->codec->drv);
 243             continue;
 244         }
 245         orig_w = sh_video->bih ? sh_video->bih->biWidth : sh_video->disp_w;
 246         orig_h = sh_video->bih ? sh_video->bih->biHeight : sh_video->disp_h;
 247         sh_video->disp_w = orig_w;
 248         sh_video->disp_h = orig_h;
 249         // it's available, let's try to init!
 250         if(sh_video->codec->flags & CODECS_FLAG_ALIGN16){
 251             // align width/height to n*16
 252                 sh_video->disp_w=(sh_video->disp_w+15)&(~15);
 253                 sh_video->disp_h=(sh_video->disp_h+15)&(~15);
 254         }
 255         if (sh_video->bih) {
 256                 sh_video->bih->biWidth = sh_video->disp_w;
 257                 sh_video->bih->biHeight = sh_video->disp_h;
 258         }
 259         // init()
 260         mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_OpeningVideoDecoder,mpvdec->info->short_name,mpvdec->info->name);
 261         // clear vf init error, it is no longer relevant
 262         if (sh_video->vf_initialized < 0)
 263                 sh_video->vf_initialized = 0;
 264         if(!mpvdec->init(sh_video)){
 265             mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_VDecoderInitFailed);
 266             sh_video->disp_w=orig_w;
 267             sh_video->disp_h=orig_h;
 268             if (sh_video->bih) {
 269                 sh_video->bih->biWidth = sh_video->disp_w;
 270                 sh_video->bih->biHeight = sh_video->disp_h;
 271             }
 272             continue; // try next...
 273         }
 274         // Yeah! We got it!
 275         sh_video->initialized=1;
 276         return 1;
 277     }
 278     return 0;
 279 }
 280
 281 int init_best_video_codec(sh_video_t *sh_video,char** video_codec_list,char** video_fm_list){
 282 char* vc_l_default[2]={"",(char*)NULL};
 283 stringset_t selected;
 284 // hack:
 285 if(!video_codec_list) video_codec_list=vc_l_default;
 286 // Go through the codec.conf and find the best codec...
 287 sh_video->initialized=0;
 288 stringset_init(&selected);
 289 while(!sh_video->initialized && *video_codec_list){
 290   char* video_codec=*(video_codec_list++);
 291   if(video_codec[0]){
 292     if(video_codec[0]=='-'){
 293       // disable this codec:
 294       stringset_add(&selected, video_codec+1);
 295     } else {
 296       // forced codec by name:
 297       mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_ForcedVideoCodec,video_codec);
 298       init_video(sh_video,video_codec,NULL,-1, &selected);
 299     }
 300   } else {
 301     int status;
 302     // try in stability order: UNTESTED, WORKING, BUGGY. never try CRASHING.
 303     if(video_fm_list){
 304       char** fmlist=video_fm_list;
 305       // try first the preferred codec families:
 306       while(!sh_video->initialized && *fmlist){
 307         char* video_fm=*(fmlist++);
 308         mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_TryForceVideoFmtStr,video_fm);
 309         for(status=CODECS_STATUS__MAX;status>=CODECS_STATUS__MIN;--status)
 310             if(init_video(sh_video,NULL,video_fm,status, &selected)) break;
 311       }
 312     }
 313     if(!sh_video->initialized)
 314         for(status=CODECS_STATUS__MAX;status>=CODECS_STATUS__MIN;--status)
 315             if(init_video(sh_video,NULL,NULL,status, &selected)) break;
 316   }
 317 }
 318 stringset_free(&selected);
 319
 320 if(!sh_video->initialized){
 321     mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_CantFindVideoCodec,sh_video->format);
 322     mp_msg(MSGT_DECAUDIO,MSGL_HINT, MSGTR_RTFMCodecs);
 323     return 0; // failed
 324 }
 325
 326 mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_SelectedVideoCodec,
 327     sh_video->codec->name,sh_video->codec->drv,sh_video->codec->info);
 328 return 1; // success
 329 }
 330
 331 void *decode_video(sh_video_t *sh_video, unsigned char *start, int in_size,
 332                    int drop_frame, double pts)
 333 {
 334     mp_image_t *mpi = NULL;
 335     unsigned int t = GetTimer();
 336     unsigned int t2;
 337     double tt;
 338
 339     if (correct_pts && pts != MP_NOPTS_VALUE) {
 340         int delay = get_current_video_decoder_lag(sh_video);
 341         if (delay >= 0) {
 342             if (delay > sh_video->num_buffered_pts)
 343 #if 0
 344                 // this is disabled because vd_ffmpeg reports the same lag
 345                 // after seek even when there are no buffered frames,
 346                 // leading to incorrect error messages
 347                 mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Not enough buffered pts\n");
 348 #else
 349             ;
 350 #endif
 351             else
 352                 sh_video->num_buffered_pts = delay;
 353         }
 354         if (sh_video->num_buffered_pts ==
 355                         sizeof(sh_video->buffered_pts)/sizeof(double))
 356             mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Too many buffered pts\n");
 357         else {
 358             int i, j;
 359             for (i = 0; i < sh_video->num_buffered_pts; i++)
 360                 if (sh_video->buffered_pts[i] < pts)
 361                     break;
 362             for (j = sh_video->num_buffered_pts; j > i; j--)
 363                 sh_video->buffered_pts[j] = sh_video->buffered_pts[j-1];
 364             sh_video->buffered_pts[i] = pts;
 365             sh_video->num_buffered_pts++;
 366         }
 367     }
 368
 369     mpi = mpvdec->decode(sh_video, start, in_size, drop_frame);
 370
 371     //------------------------ frame decoded. --------------------
 372
 373 #if HAVE_MMX
 374     // some codecs are broken, and doesn't restore MMX state :(
 375     // it happens usually with broken/damaged files.
 376     if (gCpuCaps.has3DNow) {
 377         __asm__ volatile ("femms\n\t":::"memory");
 378     }
 379     else if (gCpuCaps.hasMMX) {
 380         __asm__ volatile ("emms\n\t":::"memory");
 381     }
 382 #endif
 383
 384     t2 = GetTimer(); t = t2-t;
 385     tt = t*0.000001f;
 386     video_time_usage += tt;
 387
 388     if (!mpi || drop_frame)
 389         return NULL;    // error / skipped frame
 390
 391     if (field_dominance == 0)
 392         mpi->fields |= MP_IMGFIELD_TOP_FIRST;
 393     else if (field_dominance == 1)
 394         mpi->fields &= ~MP_IMGFIELD_TOP_FIRST;
 395
 396     if (correct_pts) {
 397         if (sh_video->num_buffered_pts) {
 398             sh_video->num_buffered_pts--;
 399             sh_video->pts = sh_video->buffered_pts[sh_video->num_buffered_pts];
 400         }
 401         else {
 402             mp_msg(MSGT_CPLAYER, MSGL_ERR, "No pts value from demuxer to "
 403                    "use for frame!\n");
 404             sh_video->pts = MP_NOPTS_VALUE;
 405         }
 406     }
 407     return mpi;
 408 }
 409
 410 int filter_video(sh_video_t *sh_video, void *frame, double pts)
 411 {
 412     mp_image_t *mpi = frame;
 413     unsigned int t2 = GetTimer();
 414     vf_instance_t *vf = sh_video->vfilter;
 415     // apply video filters and call the leaf vo/ve
 416     int ret = vf->put_image(vf, mpi, pts);
 417     if (ret > 0) {
 418         vf->control(vf, VFCTRL_DRAW_OSD, NULL);
 419 #ifdef CONFIG_ASS
 420         vf->control(vf, VFCTRL_DRAW_EOSD, NULL);
 421 #endif
 422     }
 423
 424     t2 = GetTimer()-t2;
 425     vout_time_usage += t2*0.000001;
 426
 427     return ret;
 428 }