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authorMichael Niedermayer <michaelni@gmx.at>2015-05-10 00:57:06 +0200
committerMichael Niedermayer <michaelni@gmx.at>2015-05-10 01:05:42 +0200
commitdb6d0a5bd2447b764d67bcd66741e8044a3d7c3f (patch)
tree2301fbdae8645b077f80b76e32ad33897c3195ee
parentf349703e1dcc2181a3f7557b8547664cedfedbb3 (diff)
avcodec/snowenc: Fix used reference MV in fullpel iterative ME
This very very slightly improves quality, no measurable speed change Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/snowenc.c10
-rw-r--r--tests/ref/vsynth/vsynth1-snow6
-rw-r--r--tests/ref/vsynth/vsynth1-snow-hpel6
3 files changed, 12 insertions, 10 deletions
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c
index a30c618004..a8f4106355 100644
--- a/libavcodec/snowenc.c
+++ b/libavcodec/snowenc.c
@@ -1112,13 +1112,15 @@ static void iterative_me(SnowContext *s){
/* fullpel ME */
//FIXME avoid subpel interpolation / round to nearest integer
do{
+ int newx = block->mx;
+ int newy = block->my;
dia_change=0;
for(i=0; i<FFMAX(s->avctx->dia_size, 1); i++){
for(j=0; j<i; j++){
- dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+4*(i-j), block->my+(4*j), obmc_edged, &best_rd);
- dia_change |= check_block_inter(s, mb_x, mb_y, block->mx-4*(i-j), block->my-(4*j), obmc_edged, &best_rd);
- dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+4*(i-j), block->my-(4*j), obmc_edged, &best_rd);
- dia_change |= check_block_inter(s, mb_x, mb_y, block->mx-4*(i-j), block->my+(4*j), obmc_edged, &best_rd);
+ dia_change |= check_block_inter(s, mb_x, mb_y, newx+4*(i-j), newy+(4*j), obmc_edged, &best_rd);
+ dia_change |= check_block_inter(s, mb_x, mb_y, newx-4*(i-j), newy-(4*j), obmc_edged, &best_rd);
+ dia_change |= check_block_inter(s, mb_x, mb_y, newx+4*(i-j), newy-(4*j), obmc_edged, &best_rd);
+ dia_change |= check_block_inter(s, mb_x, mb_y, newx-4*(i-j), newy+(4*j), obmc_edged, &best_rd);
}
}
}while(dia_change);
diff --git a/tests/ref/vsynth/vsynth1-snow b/tests/ref/vsynth/vsynth1-snow
index 2f0f582da7..24c41674e1 100644
--- a/tests/ref/vsynth/vsynth1-snow
+++ b/tests/ref/vsynth/vsynth1-snow
@@ -1,4 +1,4 @@
-e4de85f539ef50b08d2a1dc7e57c7f49 *tests/data/fate/vsynth1-snow.avi
-136080 tests/data/fate/vsynth1-snow.avi
-91021b7d6d7908648fe78cc1975af8c4 *tests/data/fate/vsynth1-snow.out.rawvideo
+61915927233f94db766dd968e750d6a8 *tests/data/fate/vsynth1-snow.avi
+136324 tests/data/fate/vsynth1-snow.avi
+443a1fbdfea490453e790b7e99c0c8df *tests/data/fate/vsynth1-snow.out.rawvideo
stddev: 22.77 PSNR: 20.98 MAXDIFF: 172 bytes: 7603200/ 7603200
diff --git a/tests/ref/vsynth/vsynth1-snow-hpel b/tests/ref/vsynth/vsynth1-snow-hpel
index 2d3401ccba..1c0691e33f 100644
--- a/tests/ref/vsynth/vsynth1-snow-hpel
+++ b/tests/ref/vsynth/vsynth1-snow-hpel
@@ -1,4 +1,4 @@
-a9e99877f757a99816fd82461d047812 *tests/data/fate/vsynth1-snow-hpel.avi
-138704 tests/data/fate/vsynth1-snow-hpel.avi
-d6845c8f1310e041afdcebc6bbfc449b *tests/data/fate/vsynth1-snow-hpel.out.rawvideo
+a49202654daa09408565be55b2a18010 *tests/data/fate/vsynth1-snow-hpel.avi
+138684 tests/data/fate/vsynth1-snow-hpel.avi
+00a7d96a4829e4babbe496bb0d1a1cdc *tests/data/fate/vsynth1-snow-hpel.out.rawvideo
stddev: 22.74 PSNR: 20.99 MAXDIFF: 171 bytes: 7603200/ 7603200