libmpcodecs/vd_ffmpeg.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <assert.h>
   4 #include <time.h>
   5
   6 #include "config.h"
   7 #include "mp_msg.h"
   8 #include "help_mp.h"
   9
  10 #include "libavutil/common.h"
  11 #include "libavutil/intreadwrite.h"
  12 #include "mpbswap.h"
  13
  14 #include "vd_internal.h"
  15
  16 static vd_info_t info = {
  17         "FFmpeg's libavcodec codec family",
  18         "ffmpeg",
  19         "A'rpi",
  20         "A'rpi, Michael, Alex",
  21         "native codecs (http://ffmpeg.sf.net/)"
  22 };
  23
  24 LIBVD_EXTERN(ffmpeg)
  25
  26 #ifdef USE_LIBAVCODEC_SO
  27 #include <ffmpeg/avcodec.h>
  28 #else
  29 #include "libavcodec/avcodec.h"
  30 #endif
  31
  32 #ifdef HAVE_XVMC
  33 #include "xvmc_render.h"
  34 #endif
  35
  36 int avcodec_inited=0;
  37
  38 typedef struct {
  39     AVCodecContext *avctx;
  40     AVFrame *pic;
  41     enum PixelFormat pix_fmt;
  42     int do_slices;
  43     int do_dr1;
  44     int vo_inited;
  45     int best_csp;
  46     int b_age;
  47     int ip_age[2];
  48     int qp_stat[32];
  49     double qp_sum;
  50     double inv_qp_sum;
  51     int ip_count;
  52     int b_count;
  53     AVRational last_sample_aspect_ratio;
  54 } vd_ffmpeg_ctx;
  55
  56 //#ifdef USE_LIBPOSTPROC
  57 //unsigned int lavc_pp=0;
  58 //#endif
  59
  60 #include "m_option.h"
  61
  62 static int get_buffer(AVCodecContext *avctx, AVFrame *pic);
  63 static void release_buffer(AVCodecContext *avctx, AVFrame *pic);
  64
  65 #ifdef HAVE_XVMC
  66 static enum PixelFormat get_format(struct AVCodecContext * avctx,
  67                                    const enum PixelFormat * pix_fmt);
  68 static int mc_get_buffer(AVCodecContext *avctx, AVFrame *pic);
  69 static void mc_release_buffer(AVCodecContext *avctx, AVFrame *pic);
  70 static void mc_render_slice(struct AVCodecContext *s,
  71                         AVFrame *src, int offset[4],
  72                         int y, int type, int height);
  73 #endif
  74
  75 static int lavc_param_workaround_bugs= FF_BUG_AUTODETECT;
  76 static int lavc_param_error_resilience=2;
  77 static int lavc_param_error_concealment=3;
  78 static int lavc_param_gray=0;
  79 static int lavc_param_vstats=0;
  80 static int lavc_param_idct_algo=0;
  81 static int lavc_param_debug=0;
  82 static int lavc_param_vismv=0;
  83 static int lavc_param_skip_top=0;
  84 static int lavc_param_skip_bottom=0;
  85 static int lavc_param_fast=0;
  86 static int lavc_param_lowres=0;
  87 static char *lavc_param_lowres_str=NULL;
  88 static char *lavc_param_skip_loop_filter_str = NULL;
  89 static char *lavc_param_skip_idct_str = NULL;
  90 static char *lavc_param_skip_frame_str = NULL;
  91 static int lavc_param_threads=1;
  92 static int lavc_param_bitexact=0;
  93
  94 const m_option_t lavc_decode_opts_conf[]={
  95         {"bug", &lavc_param_workaround_bugs, CONF_TYPE_INT, CONF_RANGE, -1, 999999, NULL},
  96         {"er", &lavc_param_error_resilience, CONF_TYPE_INT, CONF_RANGE, 0, 99, NULL},
  97         {"gray", &lavc_param_gray, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
  98         {"idct", &lavc_param_idct_algo, CONF_TYPE_INT, CONF_RANGE, 0, 99, NULL},
  99         {"ec", &lavc_param_error_concealment, CONF_TYPE_INT, CONF_RANGE, 0, 99, NULL},
 100         {"vstats", &lavc_param_vstats, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 101         {"debug", &lavc_param_debug, CONF_TYPE_INT, CONF_RANGE, 0, 9999999, NULL},
 102         {"vismv", &lavc_param_vismv, CONF_TYPE_INT, CONF_RANGE, 0, 9999999, NULL},
 103         {"st", &lavc_param_skip_top, CONF_TYPE_INT, CONF_RANGE, 0, 999, NULL},
 104         {"sb", &lavc_param_skip_bottom, CONF_TYPE_INT, CONF_RANGE, 0, 999, NULL},
 105 #ifdef CODEC_FLAG2_FAST
 106         {"fast", &lavc_param_fast, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG2_FAST, NULL},
 107 #endif
 108         {"lowres", &lavc_param_lowres_str, CONF_TYPE_STRING, 0, 0, 0, NULL},
 109         {"skiploopfilter", &lavc_param_skip_loop_filter_str, CONF_TYPE_STRING, 0, 0, 0, NULL},
 110         {"skipidct", &lavc_param_skip_idct_str, CONF_TYPE_STRING, 0, 0, 0, NULL},
 111         {"skipframe", &lavc_param_skip_frame_str, CONF_TYPE_STRING, 0, 0, 0, NULL},
 112         {"threads", &lavc_param_threads, CONF_TYPE_INT, CONF_RANGE, 1, 8, NULL},
 113         {"bitexact", &lavc_param_bitexact, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_BITEXACT, NULL},
 114         {NULL, NULL, 0, 0, 0, 0, NULL}
 115 };
 116
 117 static enum AVDiscard str2AVDiscard(char *str) {
 118   if (!str)
 119     return AVDISCARD_DEFAULT;
 120   if (strcasecmp(str, "none") == 0)
 121     return AVDISCARD_NONE;
 122   if (strcasecmp(str, "default") == 0)
 123     return AVDISCARD_DEFAULT;
 124   if (strcasecmp(str, "nonref") == 0)
 125     return AVDISCARD_NONREF;
 126   if (strcasecmp(str, "bidir") == 0)
 127     return AVDISCARD_BIDIR;
 128   if (strcasecmp(str, "nonkey") == 0)
 129     return AVDISCARD_NONKEY;
 130   if (strcasecmp(str, "all") == 0)
 131     return AVDISCARD_ALL;
 132   mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Unknown discard value %s\n", str);
 133   return AVDISCARD_DEFAULT;
 134 }
 135
 136 // to set/get/query special features/parameters
 137 static int control(sh_video_t *sh,int cmd,void* arg,...){
 138     vd_ffmpeg_ctx *ctx = sh->context;
 139     AVCodecContext *avctx = ctx->avctx;
 140     switch(cmd){
 141     case VDCTRL_QUERY_FORMAT:
 142         {
 143             int format =(*((int*)arg));
 144             if( format == ctx->best_csp ) return CONTROL_TRUE;//supported
 145         // possible conversions:
 146             switch( format ){
 147         case IMGFMT_YV12:
 148         case IMGFMT_IYUV:
 149         case IMGFMT_I420:
 150             // "converted" using pointer/stride modification
 151             if(avctx->pix_fmt==PIX_FMT_YUV420P) return CONTROL_TRUE;// u/v swap
 152             if(avctx->pix_fmt==PIX_FMT_YUV422P && !ctx->do_dr1) return CONTROL_TRUE;// half stride
 153             break;
 154 #ifdef HAVE_XVMC
 155         case IMGFMT_XVMC_IDCT_MPEG2:
 156         case IMGFMT_XVMC_MOCO_MPEG2:
 157             if(avctx->pix_fmt==PIX_FMT_XVMC_MPEG2_IDCT) return CONTROL_TRUE;
 158 #endif
 159         }
 160         return CONTROL_FALSE;
 161         }
 162     break;
 163     case VDCTRL_RESYNC_STREAM:
 164         avcodec_flush_buffers(avctx);
 165         return CONTROL_TRUE;
 166     case VDCTRL_QUERY_UNSEEN_FRAMES:
 167         return avctx->has_b_frames + 10;
 168     }
 169     return CONTROL_UNKNOWN;
 170 }
 171
 172 void mp_msp_av_log_callback(void* ptr, int level, const char* fmt, va_list vl)
 173 {
 174     static int print_prefix=1;
 175     AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
 176     int type= MSGT_FIXME;
 177     int mp_level;
 178     char buf[256];
 179
 180     switch(level){
 181     case AV_LOG_DEBUG:  mp_level= MSGL_V   ; break;
 182     case AV_LOG_INFO :  mp_level= MSGL_INFO; break;
 183     case AV_LOG_ERROR:  mp_level= MSGL_ERR ; break;
 184     default          :  mp_level= MSGL_ERR ; break;
 185     }
 186
 187     if (!mp_msg_test(type, mp_level)) return;
 188
 189     if(ptr){
 190         if(!strcmp(avc->class_name, "AVCodecContext")){
 191             AVCodecContext * s= ptr;
 192             if(s->codec){
 193                 if(s->codec->type == CODEC_TYPE_AUDIO){
 194                     if(s->codec->decode)
 195                         type= MSGT_DECAUDIO;
 196                 }else if(s->codec->type == CODEC_TYPE_VIDEO){
 197                     if(s->codec->decode)
 198                         type= MSGT_DECVIDEO;
 199                 }
 200                 //FIXME subtitles, encoders (what msgt for them? there is no appropriate ...)
 201             }
 202         }else if(!strcmp(avc->class_name, "AVFormatContext")){
 203 #if 0 //needs libavformat include FIXME iam too lazy to do this cleanly,probably the whole should be moved out of this file ...
 204             AVFormatContext * s= ptr;
 205             if(s->iformat)
 206                 type= MSGT_DEMUXER;
 207             else if(s->oformat)
 208                 type= MSGT_MUXER;
 209 #endif
 210         }
 211     }
 212
 213     if(print_prefix && avc) {
 214         mp_msg(type, mp_level, "[%s @ %p]", avc->item_name(ptr), avc);
 215     }
 216
 217     print_prefix= strchr(fmt, '\n') != NULL;
 218     vsnprintf(buf, sizeof(buf), fmt, vl);
 219     mp_msg(type, mp_level, buf);
 220 }
 221
 222 // init driver
 223 static int init(sh_video_t *sh){
 224     AVCodecContext *avctx;
 225     vd_ffmpeg_ctx *ctx;
 226     AVCodec *lavc_codec;
 227     int lowres_w=0;
 228     int do_vis_debug= lavc_param_vismv || (lavc_param_debug&(FF_DEBUG_VIS_MB_TYPE|FF_DEBUG_VIS_QP));
 229
 230     if(!avcodec_inited){
 231       avcodec_init();
 232       avcodec_register_all();
 233       avcodec_inited=1;
 234       av_log_set_callback(mp_msp_av_log_callback);
 235     }
 236
 237     ctx = sh->context = malloc(sizeof(vd_ffmpeg_ctx));
 238     if (!ctx)
 239         return(0);
 240     memset(ctx, 0, sizeof(vd_ffmpeg_ctx));
 241
 242     lavc_codec = (AVCodec *)avcodec_find_decoder_by_name(sh->codec->dll);
 243     if(!lavc_codec){
 244         mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingLAVCcodec,sh->codec->dll);
 245         uninit(sh);
 246         return 0;
 247     }
 248
 249     if(vd_use_slices && (lavc_codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND) && !do_vis_debug)
 250         ctx->do_slices=1;
 251
 252     if(lavc_codec->capabilities&CODEC_CAP_DR1 && !do_vis_debug && lavc_codec->id != CODEC_ID_H264 && lavc_codec->id != CODEC_ID_INTERPLAY_VIDEO && lavc_codec->id != CODEC_ID_ROQ)
 253         ctx->do_dr1=1;
 254     ctx->b_age= ctx->ip_age[0]= ctx->ip_age[1]= 256*256*256*64;
 255     ctx->ip_count= ctx->b_count= 0;
 256
 257     ctx->pic = avcodec_alloc_frame();
 258     ctx->avctx = avcodec_alloc_context();
 259     avctx = ctx->avctx;
 260
 261 #ifdef HAVE_XVMC
 262
 263 #ifdef CODEC_CAP_HWACCEL
 264     if(lavc_codec->capabilities & CODEC_CAP_HWACCEL){
 265 #else
 266     if(lavc_codec->id == CODEC_ID_MPEG2VIDEO_XVMC){
 267 #endif /* CODEC_CAP_HWACCEL */
 268         mp_msg(MSGT_DECVIDEO, MSGL_INFO, MSGTR_MPCODECS_XVMCAcceleratedCodec);
 269         assert(ctx->do_dr1);//these are must to!
 270         assert(ctx->do_slices); //it is (vo_)ffmpeg bug if this fails
 271         avctx->flags|= CODEC_FLAG_EMU_EDGE;//do i need that??!!
 272         avctx->get_format= get_format;//for now only this decoder will use it
 273         avctx->get_buffer= mc_get_buffer;
 274         avctx->release_buffer= mc_release_buffer;
 275         avctx->draw_horiz_band = mc_render_slice;
 276         avctx->slice_flags=SLICE_FLAG_CODED_ORDER|SLICE_FLAG_ALLOW_FIELD;
 277     }else
 278 #endif /* HAVE_XVMC */
 279     if(ctx->do_dr1){
 280         avctx->flags|= CODEC_FLAG_EMU_EDGE;
 281         avctx->get_buffer= get_buffer;
 282         avctx->release_buffer= release_buffer;
 283         avctx->reget_buffer= get_buffer;
 284     }
 285
 286 #ifdef CODEC_FLAG_NOT_TRUNCATED
 287     avctx->flags|= CODEC_FLAG_NOT_TRUNCATED;
 288 #endif
 289     avctx->flags|= lavc_param_bitexact;
 290
 291     avctx->width = sh->disp_w;
 292     avctx->height= sh->disp_h;
 293     avctx->workaround_bugs= lavc_param_workaround_bugs;
 294     avctx->error_resilience= lavc_param_error_resilience;
 295     if(lavc_param_gray) avctx->flags|= CODEC_FLAG_GRAY;
 296 #ifdef CODEC_FLAG2_FAST
 297     avctx->flags2|= lavc_param_fast;
 298 #endif
 299     avctx->codec_tag= sh->format;
 300     avctx->stream_codec_tag= sh->video.fccHandler;
 301     avctx->idct_algo= lavc_param_idct_algo;
 302     avctx->error_concealment= lavc_param_error_concealment;
 303     avctx->debug= lavc_param_debug;
 304     if (lavc_param_debug)
 305         av_log_set_level(AV_LOG_DEBUG);
 306     avctx->debug_mv= lavc_param_vismv;
 307     avctx->skip_top   = lavc_param_skip_top;
 308     avctx->skip_bottom= lavc_param_skip_bottom;
 309     if(lavc_param_lowres_str != NULL)
 310     {
 311         sscanf(lavc_param_lowres_str, "%d,%d", &lavc_param_lowres, &lowres_w);
 312         if(lavc_param_lowres < 1 || lavc_param_lowres > 16 || (lowres_w > 0 && avctx->width < lowres_w))
 313             lavc_param_lowres = 0;
 314         avctx->lowres = lavc_param_lowres;
 315     }
 316     avctx->skip_loop_filter = str2AVDiscard(lavc_param_skip_loop_filter_str);
 317     avctx->skip_idct = str2AVDiscard(lavc_param_skip_idct_str);
 318     avctx->skip_frame = str2AVDiscard(lavc_param_skip_frame_str);
 319     mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"libavcodec.size: %d x %d\n",avctx->width,avctx->height);
 320     switch (sh->format) {
 321     case mmioFOURCC('S','V','Q','3'):
 322     /* SVQ3 extradata can show up as sh->ImageDesc if demux_mov is used, or
 323        in the phony AVI header if demux_lavf is used. The first case is
 324        handled here; the second case falls through to the next section. */
 325         if (sh->ImageDesc) {
 326             avctx->extradata_size = (*(int*)sh->ImageDesc) - sizeof(int);
 327             avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
 328             memcpy(avctx->extradata, ((int*)sh->ImageDesc)+1, avctx->extradata_size);
 329             break;
 330         }
 331         /* fallthrough */
 332
 333     case mmioFOURCC('A','V','R','n'):
 334     case mmioFOURCC('M','J','P','G'):
 335     /* AVRn stores huffman table in AVI header */
 336     /* Pegasus MJPEG stores it also in AVI header, but it uses the common
 337        MJPG fourcc :( */
 338         if (!sh->bih || sh->bih->biSize <= sizeof(BITMAPINFOHEADER))
 339             break;
 340         avctx->flags |= CODEC_FLAG_EXTERN_HUFF;
 341         avctx->extradata_size = sh->bih->biSize-sizeof(BITMAPINFOHEADER);
 342         avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
 343         memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
 344
 345 #if 0
 346         {
 347             int x;
 348             uint8_t *p = avctx->extradata;
 349
 350             for (x=0; x<avctx->extradata_size; x++)
 351                 mp_msg(MSGT_DECVIDEO, MSGL_INFO,"[%x] ", p[x]);
 352             mp_msg(MSGT_DECVIDEO, MSGL_INFO,"\n");
 353         }
 354 #endif
 355         break;
 356
 357     case mmioFOURCC('R', 'V', '1', '0'):
 358     case mmioFOURCC('R', 'V', '1', '3'):
 359     case mmioFOURCC('R', 'V', '2', '0'):
 360     case mmioFOURCC('R', 'V', '3', '0'):
 361     case mmioFOURCC('R', 'V', '4', '0'):
 362         if(sh->bih->biSize<sizeof(*sh->bih)+8){
 363             /* only 1 packet per frame & sub_id from fourcc */
 364             avctx->extradata_size= 8;
 365             avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
 366             ((uint32_t*)avctx->extradata)[0] = 0;
 367             ((uint32_t*)avctx->extradata)[1] =
 368                 (sh->format == mmioFOURCC('R', 'V', '1', '3')) ? 0x10003001 : 0x10000000;
 369         } else {
 370             /* has extra slice header (demux_rm or rm->avi streamcopy) */
 371             avctx->extradata_size = sh->bih->biSize-sizeof(BITMAPINFOHEADER);
 372             avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
 373             memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
 374         }
 375         avctx->sub_id= AV_RB32(avctx->extradata+4);
 376
 377 //        printf("%X %X %d %d\n", extrahdr[0], extrahdr[1]);
 378         break;
 379
 380     default:
 381         if (!sh->bih || sh->bih->biSize <= sizeof(BITMAPINFOHEADER))
 382             break;
 383         avctx->extradata_size = sh->bih->biSize-sizeof(BITMAPINFOHEADER);
 384         avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
 385         memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
 386         break;
 387     }
 388     /* Pass palette to codec */
 389     if (sh->bih && (sh->bih->biBitCount <= 8)) {
 390         avctx->palctrl = calloc(1,sizeof(AVPaletteControl));
 391         avctx->palctrl->palette_changed = 1;
 392         if (sh->bih->biSize-sizeof(BITMAPINFOHEADER))
 393             /* Palette size in biSize */
 394             memcpy(avctx->palctrl->palette, sh->bih+1,
 395                    FFMIN(sh->bih->biSize-sizeof(BITMAPINFOHEADER), AVPALETTE_SIZE));
 396         else
 397             /* Palette size in biClrUsed */
 398             memcpy(avctx->palctrl->palette, sh->bih+1,
 399                    FFMIN(sh->bih->biClrUsed * 4, AVPALETTE_SIZE));
 400         }
 401
 402     if(sh->bih)
 403         avctx->bits_per_sample= sh->bih->biBitCount;
 404
 405     if(lavc_param_threads > 1)
 406         avcodec_thread_init(avctx, lavc_param_threads);
 407     /* open it */
 408     if (avcodec_open(avctx, lavc_codec) < 0) {
 409         mp_msg(MSGT_DECVIDEO,MSGL_ERR, MSGTR_CantOpenCodec);
 410         uninit(sh);
 411         return 0;
 412     }
 413     mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: libavcodec init OK!\n");
 414     return 1; //mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12);
 415 }
 416
 417 // uninit driver
 418 static void uninit(sh_video_t *sh){
 419     vd_ffmpeg_ctx *ctx = sh->context;
 420     AVCodecContext *avctx = ctx->avctx;
 421
 422     if(lavc_param_vstats){
 423         int i;
 424         for(i=1; i<32; i++){
 425             mp_msg(MSGT_DECVIDEO, MSGL_INFO,"QP: %d, count: %d\n", i, ctx->qp_stat[i]);
 426         }
 427         mp_msg(MSGT_DECVIDEO, MSGL_INFO,MSGTR_MPCODECS_ArithmeticMeanOfQP,
 428             ctx->qp_sum / avctx->coded_frame->coded_picture_number,
 429             1.0/(ctx->inv_qp_sum / avctx->coded_frame->coded_picture_number)
 430             );
 431     }
 432
 433     if (avctx) {
 434         if (avctx->codec && avcodec_close(avctx) < 0)
 435             mp_msg(MSGT_DECVIDEO,MSGL_ERR, MSGTR_CantCloseCodec);
 436
 437         av_freep(&avctx->extradata);
 438         av_freep(&avctx->palctrl);
 439         av_freep(&avctx->slice_offset);
 440     }
 441
 442     av_freep(&avctx);
 443     av_freep(&ctx->pic);
 444     if (ctx)
 445         free(ctx);
 446 }
 447
 448 static void draw_slice(struct AVCodecContext *s,
 449                         AVFrame *src, int offset[4],
 450                         int y, int type, int height){
 451     sh_video_t * sh = s->opaque;
 452     uint8_t *source[3]= {src->data[0] + offset[0], src->data[1] + offset[1], src->data[2] + offset[2]};
 453 #if 0
 454     int start=0, i;
 455     int width= s->width;
 456     int skip_stride= ((width<<lavc_param_lowres)+15)>>4;
 457     uint8_t *skip= &s->coded_frame->mbskip_table[(y>>4)*skip_stride];
 458     int threshold= s->coded_frame->age;
 459     if(s->pict_type!=B_TYPE){
 460         for(i=0; i*16<width+16; i++){
 461             if(i*16>=width || skip[i]>=threshold){
 462                 if(start==i) start++;
 463                 else{
 464                     uint8_t *src2[3]= {src[0] + start*16,
 465                                      src[1] + start*8,
 466                                      src[2] + start*8};
 467 //printf("%2d-%2d x %d\n", start, i, y);
 468                     mpcodecs_draw_slice (sh,src2, stride, (i-start)*16, height, start*16, y);
 469                     start= i+1;
 470                 }
 471             }
 472         }
 473     }else
 474 #endif
 475     if (y < sh->disp_h) {
 476         mpcodecs_draw_slice (sh, source, src->linesize, sh->disp_w, (y+height)<=sh->disp_h?height:sh->disp_h-y, 0, y);
 477     }
 478 }
 479
 480
 481 static int init_vo(sh_video_t *sh, enum PixelFormat pix_fmt){
 482     vd_ffmpeg_ctx *ctx = sh->context;
 483     AVCodecContext *avctx = ctx->avctx;
 484     float aspect= av_q2d(avctx->sample_aspect_ratio) * avctx->width / avctx->height;
 485     int width, height;
 486
 487     width = avctx->width;
 488     height = avctx->height;
 489
 490     // HACK!
 491     // if sh->ImageDesc is non-NULL, it means we decode QuickTime(tm) video.
 492     // use dimensions from BIH to avoid black borders at the right and bottom.
 493     if (sh->bih && sh->ImageDesc) {
 494         width = sh->bih->biWidth>>lavc_param_lowres;
 495         height = sh->bih->biHeight>>lavc_param_lowres;
 496     }
 497
 498      // it is possible another vo buffers to be used after vo config()
 499      // lavc reset its buffers on width/heigh change but not on aspect change!!!
 500     if (av_cmp_q(avctx->sample_aspect_ratio, ctx->last_sample_aspect_ratio) ||
 501         width != sh->disp_w  ||
 502         height != sh->disp_h ||
 503         pix_fmt != ctx->pix_fmt ||
 504         !ctx->vo_inited)
 505     {
 506         mp_msg(MSGT_DECVIDEO, MSGL_V, "[ffmpeg] aspect_ratio: %f\n", aspect);
 507         if (sh->aspect == 0 ||
 508             av_cmp_q(avctx->sample_aspect_ratio,
 509                      ctx->last_sample_aspect_ratio))
 510             sh->aspect = aspect;
 511         ctx->last_sample_aspect_ratio = avctx->sample_aspect_ratio;
 512         sh->disp_w = width;
 513         sh->disp_h = height;
 514         ctx->pix_fmt = pix_fmt;
 515         switch(pix_fmt){
 516         // YUVJ are YUV formats that use the full Y range and not just
 517         // 16 - 235 (see colorspaces.txt).
 518         // Currently they are all treated the same way.
 519         case PIX_FMT_YUV410P: ctx->best_csp=IMGFMT_YVU9;break; //svq1
 520         case PIX_FMT_YUVJ420P:
 521         case PIX_FMT_YUV420P: ctx->best_csp=IMGFMT_YV12;break; //mpegs
 522         case PIX_FMT_YUVJ422P:
 523         case PIX_FMT_YUV422P: ctx->best_csp=IMGFMT_422P;break; //mjpeg / huffyuv
 524         case PIX_FMT_YUVJ444P:
 525         case PIX_FMT_YUV444P: ctx->best_csp=IMGFMT_444P;break; //photo jpeg
 526         case PIX_FMT_YUV411P: ctx->best_csp=IMGFMT_411P;break; //dv ntsc
 527         case PIX_FMT_YUYV422: ctx->best_csp=IMGFMT_YUY2;break; //huffyuv perhaps in the future
 528         case PIX_FMT_RGB24 :  ctx->best_csp=IMGFMT_RGB24;break; //qtrle
 529         case PIX_FMT_RGB32:   ctx->best_csp=IMGFMT_BGR32;break; //huffyuv / mjpeg
 530         case PIX_FMT_BGR24 :  ctx->best_csp=IMGFMT_BGR24;break; //8bps
 531         case PIX_FMT_RGB555:  ctx->best_csp=IMGFMT_BGR15;break; //rpza,cram
 532         case PIX_FMT_RGB565:  ctx->best_csp=IMGFMT_BGR16;break; //4xm
 533         case PIX_FMT_GRAY8:   ctx->best_csp=IMGFMT_Y800;break; // gray jpeg
 534         case PIX_FMT_PAL8:    ctx->best_csp=IMGFMT_BGR8;break; //8bps,mrle,cram
 535 #ifdef HAVE_XVMC
 536         case PIX_FMT_XVMC_MPEG2_MC:ctx->best_csp=IMGFMT_XVMC_MOCO_MPEG2;break;
 537         case PIX_FMT_XVMC_MPEG2_IDCT:ctx->best_csp=IMGFMT_XVMC_IDCT_MPEG2;break;
 538 #endif
 539         default:
 540             ctx->best_csp=0;
 541         }
 542         if (!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h, ctx->best_csp))
 543                 return -1;
 544         ctx->vo_inited = 1;
 545     }
 546     return 0;
 547 }
 548
 549 static int get_buffer(AVCodecContext *avctx, AVFrame *pic){
 550     sh_video_t * sh = avctx->opaque;
 551     vd_ffmpeg_ctx *ctx = sh->context;
 552     mp_image_t* mpi=NULL;
 553     int flags= MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE;
 554     int type= MP_IMGTYPE_IPB;
 555     int width= avctx->width;
 556     int height= avctx->height;
 557     int align=15;
 558 //printf("get_buffer %d %d %d\n", pic->reference, ctx->ip_count, ctx->b_count);
 559     if(avctx->pix_fmt == PIX_FMT_YUV410P)
 560         align=63; //yes seriously, its really needed (16x16 chroma blocks in SVQ1 -> 64x64)
 561
 562   if (pic->buffer_hints) {
 563     mp_msg(MSGT_DECVIDEO,MSGL_DBG2, "Buffer hints: %u\n", pic->buffer_hints);
 564     type = MP_IMGTYPE_TEMP;
 565     if (pic->buffer_hints & FF_BUFFER_HINTS_READABLE)
 566         flags |= MP_IMGFLAG_READABLE;
 567     if (pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) {
 568         type = MP_IMGTYPE_STATIC;
 569         flags |= MP_IMGFLAG_PRESERVE;
 570     }
 571     if (pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) {
 572         type = MP_IMGTYPE_STATIC;
 573         flags |= MP_IMGFLAG_PRESERVE;
 574     }
 575     flags|=(!avctx->hurry_up && ctx->do_slices) ?
 576             MP_IMGFLAG_DRAW_CALLBACK:0;
 577     mp_msg(MSGT_DECVIDEO,MSGL_DBG2, type == MP_IMGTYPE_STATIC ? "using STATIC\n" : "using TEMP\n");
 578   } else {
 579     if(!pic->reference){
 580         ctx->b_count++;
 581         flags|=(!avctx->hurry_up && ctx->do_slices) ?
 582                 MP_IMGFLAG_DRAW_CALLBACK:0;
 583     }else{
 584         ctx->ip_count++;
 585         flags|= MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE
 586                 | (ctx->do_slices ? MP_IMGFLAG_DRAW_CALLBACK : 0);
 587     }
 588   }
 589
 590     if(init_vo(sh,avctx->pix_fmt) < 0){
 591         avctx->release_buffer= avcodec_default_release_buffer;
 592         avctx->get_buffer= avcodec_default_get_buffer;
 593         return avctx->get_buffer(avctx, pic);
 594     }
 595
 596   if (!pic->buffer_hints) {
 597     if(ctx->b_count>1 || ctx->ip_count>2){
 598         mp_msg(MSGT_DECVIDEO, MSGL_WARN, MSGTR_MPCODECS_DRIFailure);
 599
 600         ctx->do_dr1=0; //FIXME
 601         avctx->get_buffer= avcodec_default_get_buffer;
 602         return avctx->get_buffer(avctx, pic);
 603     }
 604
 605     if(avctx->has_b_frames){
 606         type= MP_IMGTYPE_IPB;
 607     }else{
 608         type= MP_IMGTYPE_IP;
 609     }
 610     mp_msg(MSGT_DECVIDEO,MSGL_DBG2, type== MP_IMGTYPE_IPB ? "using IPB\n" : "using IP\n");
 611   }
 612
 613     mpi= mpcodecs_get_image(sh,type, flags,
 614                         (width+align)&(~align), (height+align)&(~align));
 615
 616     // ok, let's see what did we get:
 617     if(  mpi->flags&MP_IMGFLAG_DRAW_CALLBACK &&
 618        !(mpi->flags&MP_IMGFLAG_DIRECT)){
 619         // nice, filter/vo likes draw_callback :)
 620         avctx->draw_horiz_band= draw_slice;
 621     } else
 622         avctx->draw_horiz_band= NULL;
 623
 624         // Palette support: libavcodec copies palette to *data[1]
 625         if (mpi->bpp == 8)
 626                 mpi->planes[1] = av_malloc(AVPALETTE_SIZE);
 627
 628     pic->data[0]= mpi->planes[0];
 629     pic->data[1]= mpi->planes[1];
 630     pic->data[2]= mpi->planes[2];
 631
 632 #if 0
 633     assert(mpi->width >= ((width +align)&(~align)));
 634     assert(mpi->height >= ((height+align)&(~align)));
 635     assert(mpi->stride[0] >= mpi->width);
 636     if(mpi->imgfmt==IMGFMT_I420 || mpi->imgfmt==IMGFMT_YV12 || mpi->imgfmt==IMGFMT_IYUV){
 637         const int y_size= mpi->stride[0] * (mpi->h-1) + mpi->w;
 638         const int c_size= mpi->stride[1] * ((mpi->h>>1)-1) + (mpi->w>>1);
 639
 640         assert(mpi->planes[0] > mpi->planes[1] || mpi->planes[0] + y_size <= mpi->planes[1]);
 641         assert(mpi->planes[0] > mpi->planes[2] || mpi->planes[0] + y_size <= mpi->planes[2]);
 642         assert(mpi->planes[1] > mpi->planes[0] || mpi->planes[1] + c_size <= mpi->planes[0]);
 643         assert(mpi->planes[1] > mpi->planes[2] || mpi->planes[1] + c_size <= mpi->planes[2]);
 644         assert(mpi->planes[2] > mpi->planes[0] || mpi->planes[2] + c_size <= mpi->planes[0]);
 645         assert(mpi->planes[2] > mpi->planes[1] || mpi->planes[2] + c_size <= mpi->planes[1]);
 646     }
 647 #endif
 648
 649     /* Note, some (many) codecs in libavcodec must have stride1==stride2 && no changes between frames
 650      * lavc will check that and die with an error message, if its not true
 651      */
 652     pic->linesize[0]= mpi->stride[0];
 653     pic->linesize[1]= mpi->stride[1];
 654     pic->linesize[2]= mpi->stride[2];
 655
 656     pic->opaque = mpi;
 657 //printf("%X\n", (int)mpi->planes[0]);
 658 #if 0
 659 if(mpi->flags&MP_IMGFLAG_DIRECT)
 660     printf("D");
 661 else if(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)
 662     printf("S");
 663 else
 664     printf(".");
 665 #endif
 666     if(pic->reference){
 667         pic->age= ctx->ip_age[0];
 668
 669         ctx->ip_age[0]= ctx->ip_age[1]+1;
 670         ctx->ip_age[1]= 1;
 671         ctx->b_age++;
 672     }else{
 673         pic->age= ctx->b_age;
 674
 675         ctx->ip_age[0]++;
 676         ctx->ip_age[1]++;
 677         ctx->b_age=1;
 678     }
 679     pic->type= FF_BUFFER_TYPE_USER;
 680     return 0;
 681 }
 682
 683 static void release_buffer(struct AVCodecContext *avctx, AVFrame *pic){
 684     mp_image_t* mpi= pic->opaque;
 685     sh_video_t * sh = avctx->opaque;
 686     vd_ffmpeg_ctx *ctx = sh->context;
 687     int i;
 688
 689 //printf("release buffer %d %d %d\n", mpi ? mpi->flags&MP_IMGFLAG_PRESERVE : -99, ctx->ip_count, ctx->b_count);
 690
 691   if(ctx->ip_count <= 2 && ctx->b_count<=1){
 692     if(mpi->flags&MP_IMGFLAG_PRESERVE)
 693         ctx->ip_count--;
 694     else
 695         ctx->b_count--;
 696   }
 697
 698         // Palette support: free palette buffer allocated in get_buffer
 699         if ( mpi && (mpi->bpp == 8))
 700                 av_freep(&mpi->planes[1]);
 701
 702     if(pic->type!=FF_BUFFER_TYPE_USER){
 703         avcodec_default_release_buffer(avctx, pic);
 704         return;
 705     }
 706
 707     for(i=0; i<4; i++){
 708         pic->data[i]= NULL;
 709     }
 710 //printf("R%X %X\n", pic->linesize[0], pic->data[0]);
 711 }
 712
 713 // copypaste from demux_real.c - it should match to get it working!
 714 //FIXME put into some header
 715 typedef struct dp_hdr_s {
 716     uint32_t chunks;    // number of chunks
 717     uint32_t timestamp; // timestamp from packet header
 718     uint32_t len;       // length of actual data
 719     uint32_t chunktab;  // offset to chunk offset array
 720 } dp_hdr_t;
 721
 722 void swap_palette(void *pal) {
 723     int i;
 724     uint32_t *p = pal;
 725     for (i = 0; i < AVPALETTE_COUNT; i++)
 726         p[i] = le2me_32(p[i]);
 727 }
 728
 729 // decode a frame
 730 static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
 731     int got_picture=0;
 732     int ret;
 733     vd_ffmpeg_ctx *ctx = sh->context;
 734     AVFrame *pic= ctx->pic;
 735     AVCodecContext *avctx = ctx->avctx;
 736     mp_image_t* mpi=NULL;
 737     int dr1= ctx->do_dr1;
 738
 739     if(len<=0) return NULL; // skipped frame
 740
 741 //ffmpeg interlace (mpeg2) bug have been fixed. no need of -noslices
 742     if (!dr1)
 743     avctx->draw_horiz_band=NULL;
 744     avctx->opaque=sh;
 745     if(ctx->vo_inited && !(flags&3) && !dr1){
 746         mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE |
 747             (ctx->do_slices?MP_IMGFLAG_DRAW_CALLBACK:0),
 748             sh->disp_w, sh->disp_h);
 749         if(mpi && mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
 750             // vd core likes slices!
 751             avctx->draw_horiz_band=draw_slice;
 752         }
 753     }
 754
 755     avctx->hurry_up=(flags&3)?((flags&2)?2:1):0;
 756
 757     if(sh->ds->demuxer->type != DEMUXER_TYPE_LAVF)
 758     if(   sh->format == mmioFOURCC('R', 'V', '1', '0')
 759        || sh->format == mmioFOURCC('R', 'V', '1', '3')
 760        || sh->format == mmioFOURCC('R', 'V', '2', '0')
 761        || sh->format == mmioFOURCC('R', 'V', '3', '0')
 762        || sh->format == mmioFOURCC('R', 'V', '4', '0'))
 763     {
 764         dp_hdr_t *hdr= (dp_hdr_t*)data;
 765         uint32_t *offsets = (uint32_t*)(data + hdr->chunktab);
 766         uint8_t *offstab = av_malloc((hdr->chunks+1) * 8);
 767         uint8_t *buf = data;
 768         int chunks = hdr->chunks;
 769         int dlen = hdr->len;
 770
 771         buf[0] = chunks;
 772         memcpy(offstab, offsets, (chunks + 1) * 8);
 773         memmove(buf + 1 + (chunks + 1) * 8, data + sizeof(dp_hdr_t), dlen);
 774         memcpy(buf + 1, offstab, (chunks + 1) * 8);
 775         av_free(offstab);
 776     }
 777
 778     mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "vd_ffmpeg data: %04x, %04x, %04x, %04x\n",
 779            ((int *)data)[0], ((int *)data)[1], ((int *)data)[2], ((int *)data)[3]);
 780     ret = avcodec_decode_video(avctx, pic,
 781              &got_picture, data, len);
 782
 783     dr1= ctx->do_dr1;
 784     if(ret<0) mp_msg(MSGT_DECVIDEO,MSGL_WARN, "Error while decoding frame!\n");
 785 //printf("repeat: %d\n", pic->repeat_pict);
 786 //-- vstats generation
 787     while(lavc_param_vstats){ // always one time loop
 788         static FILE *fvstats=NULL;
 789         char filename[20];
 790         static long long int all_len=0;
 791         static int frame_number=0;
 792         static double all_frametime=0.0;
 793         AVFrame *pic= avctx->coded_frame;
 794         double quality=0.0;
 795
 796         if(!fvstats) {
 797             time_t today2;
 798             struct tm *today;
 799             today2 = time(NULL);
 800             today = localtime(&today2);
 801             sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
 802                 today->tm_min, today->tm_sec);
 803             fvstats = fopen(filename,"w");
 804             if(!fvstats) {
 805                 perror("fopen");
 806                 lavc_param_vstats=0; // disable block
 807                 break;
 808                 /*exit(1);*/
 809             }
 810         }
 811
 812         // average MB quantizer
 813         {
 814             int x, y;
 815             int w = ((avctx->width  << lavc_param_lowres)+15) >> 4;
 816             int h = ((avctx->height << lavc_param_lowres)+15) >> 4;
 817             int8_t *q = pic->qscale_table;
 818             for( y = 0; y < h; y++ ) {
 819                 for( x = 0; x < w; x++ )
 820                     quality += (double)*(q+x);
 821                 q += pic->qstride;
 822             }
 823             quality /= w * h;
 824         }
 825
 826         all_len+=len;
 827         all_frametime+=sh->frametime;
 828         fprintf(fvstats, "frame= %5d q= %2.2f f_size= %6d s_size= %8.0fkB ",
 829             ++frame_number, quality, len, (double)all_len/1024);
 830         fprintf(fvstats, "time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
 831            all_frametime, (double)(len*8)/sh->frametime/1000.0,
 832            (double)(all_len*8)/all_frametime/1000.0);
 833         switch(pic->pict_type){
 834         case FF_I_TYPE:
 835             fprintf(fvstats, "type= I\n");
 836             break;
 837         case FF_P_TYPE:
 838             fprintf(fvstats, "type= P\n");
 839             break;
 840         case FF_S_TYPE:
 841             fprintf(fvstats, "type= S\n");
 842             break;
 843         case FF_B_TYPE:
 844             fprintf(fvstats, "type= B\n");
 845             break;
 846         default:
 847             fprintf(fvstats, "type= ? (%d)\n", pic->pict_type);
 848             break;
 849         }
 850
 851         ctx->qp_stat[(int)(quality+0.5)]++;
 852         ctx->qp_sum += quality;
 853         ctx->inv_qp_sum += 1.0/(double)quality;
 854
 855         break;
 856     }
 857 //--
 858
 859     if(!got_picture) return NULL;       // skipped image
 860
 861     if(init_vo(sh,avctx->pix_fmt) < 0) return NULL;
 862
 863     if(dr1 && pic->opaque){
 864         mpi= (mp_image_t*)pic->opaque;
 865     }
 866
 867     if(!mpi)
 868     mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE,
 869         avctx->width, avctx->height);
 870     if(!mpi){   // temporary!
 871         mp_msg(MSGT_DECVIDEO, MSGL_WARN, MSGTR_MPCODECS_CouldntAllocateImageForCodec);
 872         return NULL;
 873     }
 874
 875     if(!dr1){
 876         mpi->planes[0]=pic->data[0];
 877         mpi->planes[1]=pic->data[1];
 878         mpi->planes[2]=pic->data[2];
 879         mpi->stride[0]=pic->linesize[0];
 880         mpi->stride[1]=pic->linesize[1];
 881         mpi->stride[2]=pic->linesize[2];
 882     }
 883
 884     if (!mpi->planes[0])
 885         return NULL;
 886
 887     if(avctx->pix_fmt==PIX_FMT_YUV422P && mpi->chroma_y_shift==1){
 888         // we have 422p but user wants 420p
 889         mpi->stride[1]*=2;
 890         mpi->stride[2]*=2;
 891     }
 892
 893 #ifdef WORDS_BIGENDIAN
 894     // FIXME: this might cause problems for buffers with FF_BUFFER_HINTS_PRESERVE
 895     if (mpi->bpp == 8)
 896         swap_palette(mpi->planes[1]);
 897 #endif
 898 /* to comfirm with newer lavc style */
 899     mpi->qscale =pic->qscale_table;
 900     mpi->qstride=pic->qstride;
 901     mpi->pict_type=pic->pict_type;
 902     mpi->qscale_type= pic->qscale_type;
 903     mpi->fields = MP_IMGFIELD_ORDERED;
 904     if(pic->interlaced_frame) mpi->fields |= MP_IMGFIELD_INTERLACED;
 905     if(pic->top_field_first ) mpi->fields |= MP_IMGFIELD_TOP_FIRST;
 906     if(pic->repeat_pict == 1) mpi->fields |= MP_IMGFIELD_REPEAT_FIRST;
 907
 908     return mpi;
 909 }
 910
 911 #ifdef HAVE_XVMC
 912 static enum PixelFormat get_format(struct AVCodecContext * avctx,
 913                                     const enum PixelFormat * fmt){
 914 sh_video_t * sh = avctx->opaque;
 915 int i;
 916
 917     if(avctx->xvmc_acceleration){
 918         vd_ffmpeg_ctx *ctx = sh->context;
 919         avctx->get_buffer= mc_get_buffer;
 920         avctx->release_buffer= mc_release_buffer;
 921         avctx->draw_horiz_band = mc_render_slice;
 922         mp_msg(MSGT_DECVIDEO, MSGL_INFO, MSGTR_MPCODECS_XVMCAcceleratedMPEG2);
 923         assert(ctx->do_dr1);//these are must to!
 924         assert(ctx->do_slices); //it is (vo_)ffmpeg bug if this fails
 925         avctx->flags|= CODEC_FLAG_EMU_EDGE;//do i need that??!!
 926         avctx->slice_flags=SLICE_FLAG_CODED_ORDER|SLICE_FLAG_ALLOW_FIELD;
 927     }
 928     for(i=0;fmt[i]!=-1;i++){
 929         mp_msg(MSGT_DECVIDEO, MSGL_INFO, MSGTR_MPCODECS_TryingPixfmt,i);
 930         if( init_vo(sh,fmt[i]) >= 0)
 931             return fmt[i];
 932     }
 933     return fmt[0];
 934 }
 935
 936 static int mc_get_buffer(AVCodecContext *avctx, AVFrame *pic){
 937     sh_video_t * sh = avctx->opaque;
 938     vd_ffmpeg_ctx *ctx = sh->context;
 939     mp_image_t* mpi=NULL;
 940     xvmc_render_state_t * render;
 941     int flags= MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE|
 942                MP_IMGFLAG_DRAW_CALLBACK;
 943
 944 //  printf("vd_ffmpeg::mc_get_buffer (xvmc) %d %d %d\n", pic->reference, ctx->ip_count, ctx->b_count);
 945     if(!avctx->xvmc_acceleration){
 946         mp_msg(MSGT_DECVIDEO, MSGL_INFO, MSGTR_MPCODECS_McGetBufferShouldWorkOnlyWithXVMC);
 947         assert(0);
 948         exit(1);
 949 //        return -1;//!!fixme check error conditions
 950     }
 951     assert(avctx->draw_horiz_band == mc_render_slice);
 952     assert(avctx->release_buffer == mc_release_buffer);
 953     if( mp_msg_test(MSGT_DECVIDEO,MSGL_DBG5) )
 954         mp_msg(MSGT_DECVIDEO, MSGL_DBG5, "vd_ffmpeg::mc_get_buffer\n");
 955
 956     if(init_vo(sh,avctx->pix_fmt) < 0){
 957         mp_msg(MSGT_DECVIDEO, MSGL_WARN, MSGTR_MPCODECS_UnexpectedInitVoError);
 958         exit(1);
 959 //        return -1;//!!fixme check error conditions
 960     }
 961
 962
 963
 964     if(!pic->reference){
 965         ctx->b_count++;
 966     }else{
 967         ctx->ip_count++;
 968         flags|= MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE;
 969     }
 970
 971     mpi= mpcodecs_get_image(sh, MP_IMGTYPE_IPB,flags ,
 972                             avctx->width, avctx->height);
 973     if(mpi==NULL){
 974         mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_MPCODECS_UnrecoverableErrorRenderBuffersNotTaken);
 975         assert(0);
 976         exit(1);
 977 //        return -1;//!!fixme check error conditions in ffmpeg
 978     };
 979
 980     if( (mpi->flags & MP_IMGFLAG_DIRECT) == 0){
 981         mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_MPCODECS_OnlyBuffersAllocatedByVoXvmcAllowed);
 982         assert(0);
 983         exit(1);
 984 //        return -1;//!!fixme check error conditions in ffmpeg
 985     }
 986
 987     pic->data[0]= mpi->planes[0];
 988     pic->data[1]= mpi->planes[1];
 989     pic->data[2]= mpi->planes[2];
 990
 991
 992     /* Note, some (many) codecs in libavcodec must have stride1==stride2 && no changes between frames
 993      * lavc will check that and die with an error message, if its not true
 994      */
 995     pic->linesize[0]= mpi->stride[0];
 996     pic->linesize[1]= mpi->stride[1];
 997     pic->linesize[2]= mpi->stride[2];
 998
 999     pic->opaque = mpi;
1000
1001     if(pic->reference){
1002     //I or P frame
1003         pic->age= ctx->ip_age[0];
1004
1005         ctx->ip_age[0]= ctx->ip_age[1]+1;
1006         ctx->ip_age[1]= 1;
1007         ctx->b_age++;
1008     }else{
1009     //B frame
1010         pic->age= ctx->b_age;
1011
1012         ctx->ip_age[0]++;
1013         ctx->ip_age[1]++;
1014         ctx->b_age=1;
1015     }
1016
1017     pic->type= FF_BUFFER_TYPE_USER;
1018
1019     render=(xvmc_render_state_t*)mpi->priv;//same as data[2]
1020     if( mp_msg_test(MSGT_DECVIDEO,MSGL_DBG5) )
1021         mp_msg(MSGT_DECVIDEO, MSGL_DBG5, "vd_ffmpeg::mc_get_buffer (render=%p)\n",render);
1022     assert(render != 0);
1023     assert(render->magic == MP_XVMC_RENDER_MAGIC);
1024     render->state |= MP_XVMC_STATE_PREDICTION;
1025     return 0;
1026 }
1027
1028
1029 static void mc_release_buffer(AVCodecContext *avctx, AVFrame *pic){
1030     mp_image_t* mpi= pic->opaque;
1031     sh_video_t * sh = avctx->opaque;
1032     vd_ffmpeg_ctx *ctx = sh->context;
1033     xvmc_render_state_t * render;
1034     int i;
1035
1036
1037     if(ctx->ip_count <= 2 && ctx->b_count<=1){
1038         if(mpi->flags&MP_IMGFLAG_PRESERVE)
1039             ctx->ip_count--;
1040         else
1041             ctx->b_count--;
1042     }
1043
1044 //printf("R%X %X\n", pic->linesize[0], pic->data[0]);
1045 //mark the surface as not requared for prediction
1046     render=(xvmc_render_state_t*)pic->data[2];//same as mpi->priv
1047     if( mp_msg_test(MSGT_DECVIDEO,MSGL_DBG5) )
1048         mp_msg(MSGT_DECVIDEO, MSGL_DBG5, "vd_ffmpeg::mc_release_buffer (render=%p)\n",render);
1049     assert(render!=NULL);
1050     assert(render->magic==MP_XVMC_RENDER_MAGIC);
1051     render->state&=~MP_XVMC_STATE_PREDICTION;
1052     for(i=0; i<4; i++){
1053         pic->data[i]= NULL;
1054     }
1055 }
1056
1057 static void mc_render_slice(struct AVCodecContext *s,
1058                         AVFrame *src, int offset[4],
1059                         int y, int type, int height){
1060 int width= s->width;
1061 sh_video_t * sh = s->opaque;
1062 uint8_t *source[3]= {src->data[0], src->data[1], src->data[2]};
1063
1064     assert(src->linesize[0]==0 && src->linesize[1]==0 && src->linesize[2]==0);
1065     assert(offset[0]==0 && offset[1]==0 && offset[2]==0);
1066
1067     mpcodecs_draw_slice (sh, source, src->linesize, width, height, 0, y);
1068
1069 }
1070
1071 #endif // HAVE_XVMC