ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/libavcodec/svq3.c

 /*
  * Copyright (c) 2003 The FFmpeg Project
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
@@ skipping 460 matching lines @@
         /* fill caches */
         /* note ref_cache should contain here:
             ????????
             ???11111
             N??11111
             N??11111
             N??11111
         */
 
         for (m = 0; m < 2; m++) {
-            if (s->mb_x > 0 && h->intra4x4_pred_mode[mb_xy - 1][0] != -1) {
+            if (s->mb_x > 0 && h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1]+6] != -1) {
                 for (i = 0; i < 4; i++) {
                     *(uint32_t *) h->mv_cache[m][scan8[0] - 1 + i*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - 1 + i*h->b_stride];
                 }
             } else {
                 for (i = 0; i < 4; i++) {
                     *(uint32_t *) h->mv_cache[m][scan8[0] - 1 + i*8] = 0;
                 }
             }
             if (s->mb_y > 0) {
                 memcpy(h->mv_cache[m][scan8[0] - 1*8], s->current_picture.motion_val[m][b_xy - h->b_stride], 4*2*sizeof(int16_t));
-                memset(&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[mb_xy - s->mb_stride][4] == -1) ? PART_NOT_AVAILABLE : 1, 4);
+                memset(&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
 
                 if (s->mb_x < (s->mb_width - 1)) {
                     *(uint32_t *) h->mv_cache[m][scan8[0] + 4 - 1*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - h->b_stride + 4];
                     h->ref_cache[m][scan8[0] + 4 - 1*8] =
-                        (h->intra4x4_pred_mode[mb_xy - s->mb_stride + 1][0] == -1 ||
-                         h->intra4x4_pred_mode[mb_xy - s->mb_stride    ][4] == -1) ? PART_NOT_AVAILABLE : 1;
+                        (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride + 1]+6] == -1 ||
+                         h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride    ]  ] == -1) ? PART_NOT_AVAILABLE : 1;
                 }else
                     h->ref_cache[m][scan8[0] + 4 - 1*8] = PART_NOT_AVAILABLE;
                 if (s->mb_x > 0) {
                     *(uint32_t *) h->mv_cache[m][scan8[0] - 1 - 1*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - h->b_stride - 1];
-                    h->ref_cache[m][scan8[0] - 1 - 1*8] = (h->intra4x4_pred_mode[mb_xy - s->mb_stride - 1][3] == -1) ? PART_NOT_AVAILABLE : 1;
+                    h->ref_cache[m][scan8[0] - 1 - 1*8] = (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1]+3] == -1) ? PART_NOT_AVAILABLE : 1;
                 }else
                     h->ref_cache[m][scan8[0] - 1 - 1*8] = PART_NOT_AVAILABLE;
             }else
                 memset(&h->ref_cache[m][scan8[0] - 1*8 - 1], PART_NOT_AVAILABLE, 8);
 
             if (s->pict_type != FF_B_TYPE)
                 break;
         }
 
         /* decode motion vector(s) and form prediction(s) */
@@ skipping 19 matching lines @@
             }
         }
 
         mb_type = MB_TYPE_16x16;
     } else if (mb_type == 8 || mb_type == 33) {   /* INTRA4x4 */
         memset(h->intra4x4_pred_mode_cache, -1, 8*5*sizeof(int8_t));
 
         if (mb_type == 8) {
             if (s->mb_x > 0) {
                 for (i = 0; i < 4; i++) {
-                    h->intra4x4_pred_mode_cache[scan8[0] - 1 + i*8] = h->intra4x4_pred_mode[mb_xy - 1][i];
+                    h->intra4x4_pred_mode_cache[scan8[0] - 1 + i*8] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1]+6-i];
                 }
                 if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1) {
                     h->left_samples_available = 0x5F5F;
                 }
             }
             if (s->mb_y > 0) {
-                h->intra4x4_pred_mode_cache[4+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][4];
-                h->intra4x4_pred_mode_cache[5+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][5];
-                h->intra4x4_pred_mode_cache[6+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][6];
-                h->intra4x4_pred_mode_cache[7+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][3];
+                h->intra4x4_pred_mode_cache[4+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+0];
+                h->intra4x4_pred_mode_cache[5+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+1];
+                h->intra4x4_pred_mode_cache[6+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+2];
+                h->intra4x4_pred_mode_cache[7+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+3];
 
                 if (h->intra4x4_pred_mode_cache[4+8*0] == -1) {
                     h->top_samples_available = 0x33FF;
                 }
             }
 
             /* decode prediction codes for luma blocks */
             for (i = 0; i < 16; i+=2) {
                 vlc = svq3_get_ue_golomb(&s->gb);
 
@@ skipping 53 matching lines @@
         for (i = 0; i < 4; i++) {
             memset(s->current_picture.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
         }
         if (s->pict_type == FF_B_TYPE) {
             for (i = 0; i < 4; i++) {
                 memset(s->current_picture.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
             }
         }
     }
     if (!IS_INTRA4x4(mb_type)) {
-        memset(h->intra4x4_pred_mode[mb_xy], DC_PRED, 8);
+        memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy], DC_PRED, 8);
     }
     if (!IS_SKIP(mb_type) || s->pict_type == FF_B_TYPE) {
         memset(h->non_zero_count_cache + 8, 0, 4*9*sizeof(uint8_t));
         s->dsp.clear_blocks(h->mb);
     }
 
     if (!IS_INTRA16x16(mb_type) && (!IS_SKIP(mb_type) || s->pict_type == FF_B_TYPE)) {
         if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48){
             av_log(h->s.avctx, AV_LOG_ERROR, "cbp_vlc=%d\n", vlc);
             return -1;
@@ skipping 129 matching lines @@
 
     skip_bits1(&s->gb);
     skip_bits(&s->gb, 2);
 
     while (get_bits1(&s->gb)) {
         skip_bits(&s->gb, 8);
     }
 
     /* reset intra predictors and invalidate motion vector references */
     if (s->mb_x > 0) {
-        memset(h->intra4x4_pred_mode[mb_xy - 1], -1, 4*sizeof(int8_t));
-        memset(h->intra4x4_pred_mode[mb_xy - s->mb_x], -1, 8*sizeof(int8_t)*s->mb_x);
+        memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - 1      ]+3, -1, 4*sizeof(int8_t));
+        memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - s->mb_x]  , -1, 8*sizeof(int8_t)*s->mb_x);
     }
     if (s->mb_y > 0) {
-        memset(h->intra4x4_pred_mode[mb_xy - s->mb_stride], -1, 8*sizeof(int8_t)*(s->mb_width - s->mb_x));
+        memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - s->mb_stride], -1, 8*sizeof(int8_t)*(s->mb_width - s->mb_x));
 
         if (s->mb_x > 0) {
-            h->intra4x4_pred_mode[mb_xy - s->mb_stride - 1][3] = -1;
+            h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1]+3] = -1;
         }
     }
 
     return 0;
 }
 
 static av_cold int svq3_decode_init(AVCodecContext *avctx)
 {
     MpegEncContext *const s = avctx->priv_data;
     H264Context *const h = avctx->priv_data;
@@ skipping 280 matching lines @@
     CODEC_ID_SVQ3,
     sizeof(H264Context),
     svq3_decode_init,
     NULL,
     ff_h264_decode_end,
     svq3_decode_frame,
     CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_DELAY,
     .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"),
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_NONE},
 };