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revision 1.74, Tue Sep 20 11:54:11 2005 UTC revision 1.80, Mon Apr 16 19:01:28 2007 UTC
# Line 195  Line 195 
195    dec->low_delay = 0;    dec->low_delay = 0;
196    dec->packed_mode = 0;    dec->packed_mode = 0;
197    dec->time_inc_resolution = 1; /* until VOL header says otherwise */    dec->time_inc_resolution = 1; /* until VOL header says otherwise */
198      dec->ver_id = 1;
199    
200      dec->bs_version = 0xffff; /* Initialize to very high value -> assume bugfree stream */
201    
202    dec->fixed_dimensions = (dec->width > 0 && dec->height > 0);    dec->fixed_dimensions = (dec->width > 0 && dec->height > 0);
203    
# Line 316  Line 319 
319      stop_iquant_timer();      stop_iquant_timer();
320    
321      start_timer();      start_timer();
322      idct(&data[i * 64]);      idct((short * const)&data[i * 64]);
323      stop_idct_timer();      stop_idct_timer();
324    
325    }    }
# Line 406  Line 409 
409    
410        /* iDCT */        /* iDCT */
411        start_timer();        start_timer();
412        idct(&data[0]);        idct((short * const)&data[0]);
413        stop_idct_timer();        stop_idct_timer();
414    
415        /* Add this residual to the predicted block */        /* Add this residual to the predicted block */
# Line 466  Line 469 
469          const uint32_t cbp,          const uint32_t cbp,
470          Bitstream * bs,          Bitstream * bs,
471          const uint32_t rounding,          const uint32_t rounding,
472          const int ref)          const int ref,
473                    const int bvop)
474  {  {
475    uint32_t stride = dec->edged_width;    uint32_t stride = dec->edged_width;
476    uint32_t stride2 = stride / 2;    uint32_t stride2 = stride / 2;
# Line 487  Line 491 
491    
492    start_timer();    start_timer();
493    
494    if (pMB->mode != MODE_INTER4V) { /* INTER, INTER_Q, NOT_CODED, FORWARD, BACKWARD */    if ((pMB->mode != MODE_INTER4V) || (bvop)) { /* INTER, INTER_Q, NOT_CODED, FORWARD, BACKWARD */
495    
496      uv_dx = mv[0].x;      uv_dx = mv[0].x;
497      uv_dy = mv[0].y;      uv_dy = mv[0].y;
# Line 581  Line 585 
585          const uint32_t cbp,          const uint32_t cbp,
586          Bitstream * bs,          Bitstream * bs,
587          const uint32_t rounding,          const uint32_t rounding,
588          const int ref)          const int ref,
589                    const int bvop)
590  {  {
591    uint32_t stride = dec->edged_width;    uint32_t stride = dec->edged_width;
592    uint32_t stride2 = stride / 2;    uint32_t stride2 = stride / 2;
# Line 605  Line 610 
610    
611    start_timer();    start_timer();
612    
613    if(pMB->mode!=MODE_INTER4V)   /* INTER, INTER_Q, NOT_CODED, FORWARD, BACKWARD */    if((pMB->mode!=MODE_INTER4V) || (bvop))   /* INTER, INTER_Q, NOT_CODED, FORWARD, BACKWARD */
614    {    {
615      /* Prepare top field vector */      /* Prepare top field vector */
616      uvtop_dx = DIV2ROUND(mv[0].x);      uvtop_dx = DIV2ROUND(mv[0].x);
# Line 1063  Line 1068 
1068    
1069          /* See how to decode */          /* See how to decode */
1070          if(!mb->field_pred)          if(!mb->field_pred)
1071           decoder_mbinter(dec, mb, x, y, cbp, bs, rounding, 0);           decoder_mbinter(dec, mb, x, y, cbp, bs, rounding, 0, 0);
1072          else          else
1073           decoder_mbinter_field(dec, mb, x, y, cbp, bs, rounding, 0);           decoder_mbinter_field(dec, mb, x, y, cbp, bs, rounding, 0, 0);
1074    
1075        } else if (gmc_warp) {  /* a not coded S(GMC)-VOP macroblock */        } else if (gmc_warp) {  /* a not coded S(GMC)-VOP macroblock */
1076          mb->mode = MODE_NOT_CODED_GMC;          mb->mode = MODE_NOT_CODED_GMC;
# Line 1086  Line 1091 
1091          mb->field_pred=0; /* (!) */          mb->field_pred=0; /* (!) */
1092    
1093          decoder_mbinter(dec, mb, x, y, 0, bs,          decoder_mbinter(dec, mb, x, y, 0, bs,
1094                                  rounding, 0);                                  rounding, 0, 0);
1095    
1096          if(dec->out_frm && cp_mb > 0) {          if(dec->out_frm && cp_mb > 0) {
1097            output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,st_mb,y,cp_mb);            output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,st_mb,y,cp_mb);
# Line 1188  Line 1193 
1193      b_uv_dy = (b_uv_dy >> 1) + roundtab_79[b_uv_dy & 0x3];      b_uv_dy = (b_uv_dy >> 1) + roundtab_79[b_uv_dy & 0x3];
1194    
1195    } else {    } else {
1196      uv_dx = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x;            if (dec->quarterpel) { /* for qpel the /2 shall be done before summation. We've done it right in the encoder in the past. */
1197      uv_dy = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y;                                                           /* TODO: figure out if we ever did it wrong on the encoder side. If yes, add some workaround */
     b_uv_dx = pMB->b_mvs[0].x + pMB->b_mvs[1].x + pMB->b_mvs[2].x + pMB->b_mvs[3].x;  
     b_uv_dy = pMB->b_mvs[0].y + pMB->b_mvs[1].y + pMB->b_mvs[2].y + pMB->b_mvs[3].y;  
   
     if (dec->quarterpel) {  
1198        if (dec->bs_version <= BS_VERSION_BUGGY_CHROMA_ROUNDING) {        if (dec->bs_version <= BS_VERSION_BUGGY_CHROMA_ROUNDING) {
1199                                  uv_dx = (uv_dx>>1) | (uv_dx&1);                          int z;
1200                                  uv_dy = (uv_dy>>1) | (uv_dy&1);                          uv_dx = 0; uv_dy = 0;
1201                                  b_uv_dx = (b_uv_dx>>1) | (b_uv_dx&1);                          b_uv_dx = 0; b_uv_dy = 0;
1202                                  b_uv_dy = (b_uv_dy>>1) | (b_uv_dy&1);                          for (z = 0; z < 4; z++) {
1203                              uv_dx += ((pMB->mvs[z].x>>1) | (pMB->mvs[z].x&1));
1204                              uv_dy += ((pMB->mvs[z].y>>1) | (pMB->mvs[z].y&1));
1205                              b_uv_dx += ((pMB->b_mvs[z].x>>1) | (pMB->b_mvs[z].x&1));
1206                              b_uv_dy += ((pMB->b_mvs[z].y>>1) | (pMB->b_mvs[z].y&1));
1207                            }
1208                          }                          }
1209                          else {                          else {
1210          uv_dx /= 2;                          uv_dx = (pMB->mvs[0].x / 2) + (pMB->mvs[1].x / 2) + (pMB->mvs[2].x / 2) + (pMB->mvs[3].x / 2);
1211          uv_dy /= 2;                          uv_dy = (pMB->mvs[0].y / 2) + (pMB->mvs[1].y / 2) + (pMB->mvs[2].y / 2) + (pMB->mvs[3].y / 2);
1212          b_uv_dx /= 2;                          b_uv_dx = (pMB->b_mvs[0].x / 2) + (pMB->b_mvs[1].x / 2) + (pMB->b_mvs[2].x / 2) + (pMB->b_mvs[3].x / 2);
1213          b_uv_dy /= 2;                          b_uv_dy = (pMB->b_mvs[0].y / 2) + (pMB->b_mvs[1].y / 2) + (pMB->b_mvs[2].y / 2) + (pMB->b_mvs[3].y / 2);
1214        }        }
1215            } else {
1216          uv_dx = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x;
1217          uv_dy = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y;
1218          b_uv_dx = pMB->b_mvs[0].x + pMB->b_mvs[1].x + pMB->b_mvs[2].x + pMB->b_mvs[3].x;
1219          b_uv_dy = pMB->b_mvs[0].y + pMB->b_mvs[1].y + pMB->b_mvs[2].y + pMB->b_mvs[3].y;
1220      }      }
1221    
1222      uv_dx = (uv_dx >> 3) + roundtab_76[uv_dx & 0xf];      uv_dx = (uv_dx >> 3) + roundtab_76[uv_dx & 0xf];
# Line 1324  Line 1335 
1335    return -1;    return -1;
1336  }  }
1337    
1338    static int __inline get_resync_len_b(const int fcode_backward,
1339                                         const int fcode_forward) {
1340      int resync_len = ((fcode_forward>fcode_backward) ? fcode_forward : fcode_backward) - 1;
1341      if (resync_len < 1) resync_len = 1;
1342      return resync_len;
1343    }
1344    
1345  static void  static void
1346  decoder_bframe(DECODER * dec,  decoder_bframe(DECODER * dec,
1347          Bitstream * bs,          Bitstream * bs,
# Line 1335  Line 1353 
1353    VECTOR mv;    VECTOR mv;
1354    const VECTOR zeromv = {0,0};    const VECTOR zeromv = {0,0};
1355    int i;    int i;
1356      int resync_len;
1357    
1358    if (!dec->is_edged[0]) {    if (!dec->is_edged[0]) {
1359      start_timer();      start_timer();
# Line 1352  Line 1371 
1371      stop_edges_timer();      stop_edges_timer();
1372    }    }
1373    
1374      resync_len = get_resync_len_b(fcode_backward, fcode_forward);
1375    for (y = 0; y < dec->mb_height; y++) {    for (y = 0; y < dec->mb_height; y++) {
1376      /* Initialize Pred Motion Vector */      /* Initialize Pred Motion Vector */
1377      dec->p_fmv = dec->p_bmv = zeromv;      dec->p_fmv = dec->p_bmv = zeromv;
1378      for (x = 0; x < dec->mb_width; x++) {      for (x = 0; x < dec->mb_width; x++) {
1379        MACROBLOCK *mb = &dec->mbs[y * dec->mb_width + x];        MACROBLOCK *mb = &dec->mbs[y * dec->mb_width + x];
1380        MACROBLOCK *last_mb = &dec->last_mbs[y * dec->mb_width + x];        MACROBLOCK *last_mb = &dec->last_mbs[y * dec->mb_width + x];
       const int fcode_max = (fcode_forward>fcode_backward) ? fcode_forward : fcode_backward;  
1381        int intra_dc_threshold; /* fake variable */        int intra_dc_threshold; /* fake variable */
1382    
1383        if (check_resync_marker(bs, fcode_max  - 1)) {        if (check_resync_marker(bs, resync_len)) {
1384          int bound = read_video_packet_header(bs, dec, fcode_max - 1, &quant,          int bound = read_video_packet_header(bs, dec, resync_len, &quant,
1385                             &fcode_forward, &fcode_backward, &intra_dc_threshold);                             &fcode_forward, &fcode_backward, &intra_dc_threshold);
1386          x = bound % dec->mb_width;          x = bound % dec->mb_width;
1387          y = bound / dec->mb_width;          y = bound / dec->mb_width;
1388          /* reset predicted macroblocks */          /* reset predicted macroblocks */
1389          dec->p_fmv = dec->p_bmv = zeromv;          dec->p_fmv = dec->p_bmv = zeromv;
1390            /* update resync len with new fcodes */
1391            resync_len = get_resync_len_b(fcode_backward, fcode_forward);
1392        }        }
1393    
1394        mv =        mv =
# Line 1384  Line 1405 
1405        if (last_mb->mode == MODE_NOT_CODED) {        if (last_mb->mode == MODE_NOT_CODED) {
1406          mb->cbp = 0;          mb->cbp = 0;
1407          mb->mode = MODE_FORWARD;          mb->mode = MODE_FORWARD;
1408          decoder_mbinter(dec, mb, x, y, mb->cbp, bs, 0, 1);          decoder_mbinter(dec, mb, x, y, mb->cbp, bs, 0, 1, 1);
1409          continue;          continue;
1410        }        }
1411    
# Line 1467  Line 1488 
1488          get_b_motion_vector(bs, &mb->mvs[0], fcode_backward, dec->p_bmv, dec, x, y);          get_b_motion_vector(bs, &mb->mvs[0], fcode_backward, dec->p_bmv, dec, x, y);
1489          dec->p_bmv = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = mb->mvs[0];          dec->p_bmv = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = mb->mvs[0];
1490    
1491          decoder_mbinter(dec, mb, x, y, mb->cbp, bs, 0, 0);          decoder_mbinter(dec, mb, x, y, mb->cbp, bs, 0, 0, 1);
1492          break;          break;
1493    
1494        case MODE_FORWARD:        case MODE_FORWARD:
1495          get_b_motion_vector(bs, &mb->mvs[0], fcode_forward, dec->p_fmv, dec, x, y);          get_b_motion_vector(bs, &mb->mvs[0], fcode_forward, dec->p_fmv, dec, x, y);
1496          dec->p_fmv = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = mb->mvs[0];          dec->p_fmv = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = mb->mvs[0];
1497    
1498          decoder_mbinter(dec, mb, x, y, mb->cbp, bs, 0, 1);          decoder_mbinter(dec, mb, x, y, mb->cbp, bs, 0, 1, 1);
1499          break;          break;
1500    
1501        default:        default:
# Line 1485  Line 1506 
1506  }  }
1507    
1508  /* perform post processing if necessary, and output the image */  /* perform post processing if necessary, and output the image */
1509  void decoder_output(DECODER * dec, IMAGE * img, MACROBLOCK * mbs,  static void decoder_output(DECODER * dec, IMAGE * img, MACROBLOCK * mbs,
1510            xvid_dec_frame_t * frame, xvid_dec_stats_t * stats,            xvid_dec_frame_t * frame, xvid_dec_stats_t * stats,
1511            int coding_type, int quant)            int coding_type, int quant)
1512  {  {
# Line 1607  Line 1628 
1628    if (coding_type == -2 || coding_type == -3) { /* vol and/or resize */    if (coding_type == -2 || coding_type == -3) { /* vol and/or resize */
1629    
1630      if (coding_type == -3)      if (coding_type == -3)
1631        decoder_resize(dec);        if (decoder_resize(dec)) return XVID_ERR_MEMORY;
1632    
1633      if(stats) {      if(stats) {
1634        stats->type = XVID_TYPE_VOL;        stats->type = XVID_TYPE_VOL;

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