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| author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2009-03-13 13:48:44 +0000 |
|---|---|---|
| committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2009-03-13 13:48:44 +0000 |
| commit | 923ed9748ce6cb91c1a25928efc746b6b77fccb7 (patch) | |
| tree | 85bb1779fa8c2f70d977d14204d388fc43522a87 | |
| parent | abb785f19e30f618b8de6f9f94dc8408e2a27ac5 (diff) | |
| download | ffmpeg-923ed9748ce6cb91c1a25928efc746b6b77fccb7.tar.gz | |
Fix direct and skip MB motion compensation in RV4:
two conditions were incomplete and zeroing motion
vectors was performed only on half of them.
Originally committed as revision 17947 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/rv34.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c index c2277076a5..ee105280b3 100644 --- a/libavcodec/rv34.c +++ b/libavcodec/rv34.c @@ -787,15 +787,16 @@ static int rv34_decode_mv(RV34DecContext *r, int block_type) case RV34_MB_B_DIRECT: //surprisingly, it uses motion scheme from next reference frame next_bt = s->next_picture_ptr->mb_type[s->mb_x + s->mb_y * s->mb_stride]; - if(IS_INTRA(next_bt)) + if(IS_INTRA(next_bt) || IS_SKIP(next_bt)){ fill_rectangle(s->current_picture_ptr->motion_val[0][s->mb_x * 2 + s->mb_y * 2 * s->b8_stride], 2, 2, s->b8_stride, 0, 4); - else + fill_rectangle(s->current_picture_ptr->motion_val[1][s->mb_x * 2 + s->mb_y * 2 * s->b8_stride], 2, 2, s->b8_stride, 0, 4); + }else for(j = 0; j < 2; j++) for(i = 0; i < 2; i++) for(k = 0; k < 2; k++) for(l = 0; l < 2; l++) s->current_picture_ptr->motion_val[l][mv_pos + i + j*s->b8_stride][k] = calc_add_mv(r, l, s->next_picture_ptr->motion_val[0][mv_pos + i + j*s->b8_stride][k]); - if(IS_16X16(next_bt)) //we can use whole macroblock MC + if(!(IS_16X8(next_bt) || IS_8X16(next_bt) || IS_8X8(next_bt))) //we can use whole macroblock MC rv34_mc_2mv(r, block_type); else rv34_mc_2mv_skip(r); |