[FFmpeg-cvslog] r16381 - trunk/libavcodec/rv34.c
kostya
subversion
Mon Dec 29 11:20:04 CET 2008
Author: kostya
Date: Mon Dec 29 11:20:03 2008
New Revision: 16381
Log:
It turned out that RV30 uses motion vectors for forward motion B-frame
macroblocks to predict motion vectors for backward motion B-frame macroblocks
and vice versa.
Modified:
trunk/libavcodec/rv34.c
Modified: trunk/libavcodec/rv34.c
==============================================================================
--- trunk/libavcodec/rv34.c Mon Dec 29 00:26:12 2008 (r16380)
+++ trunk/libavcodec/rv34.c Mon Dec 29 11:20:03 2008 (r16381)
@@ -564,7 +564,7 @@ static void rv34_pred_mv_rv3(RV34DecCont
MpegEncContext *s = &r->s;
int mv_pos = s->mb_x * 2 + s->mb_y * 2 * s->b8_stride;
int A[2] = {0}, B[2], C[2];
- int i, j;
+ int i, j, k;
int mx, my;
int avail_index = avail_indexes[0];
@@ -597,12 +597,12 @@ static void rv34_pred_mv_rv3(RV34DecCont
my += r->dmv[0][1];
for(j = 0; j < 2; j++){
for(i = 0; i < 2; i++){
- s->current_picture_ptr->motion_val[0][mv_pos + i + j*s->b8_stride][0] = mx;
- s->current_picture_ptr->motion_val[0][mv_pos + i + j*s->b8_stride][1] = my;
+ for(k = 0; k < 2; k++){
+ s->current_picture_ptr->motion_val[k][mv_pos + i + j*s->b8_stride][0] = mx;
+ s->current_picture_ptr->motion_val[k][mv_pos + i + j*s->b8_stride][1] = my;
+ }
}
}
- if(block_type == RV34_MB_B_BACKWARD || block_type == RV34_MB_B_FORWARD)
- fill_rectangle(s->current_picture_ptr->motion_val[!dir][mv_pos], 2, 2, s->b8_stride, 0, 4);
}
static const int chroma_coeffs[3] = { 0, 3, 5 };
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