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vp9: drop support for real (non-emulated) edges 

They are not measurably faster on x86, they might be somewhat faster on
other platforms due to missing emu edge SIMD, but the gain is not large
enough to justify the added complexity.
This commit is contained in:
Anton Khirnov 2013-12-20 11:20:24 +01:00
parent ef8c93e2f1
commit ca96e33716
2 changed files with 2 additions and 3 deletions
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4
libavcodec/vp9block.c
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@ -1583,9 +1583,9 @@ int ff_vp9_decode_block(AVCodecContext *avctx, int row, int col,
* This allows to support emu-edge and so on even if we have large
* block overhangs. */
emu[0] = (col + w4) * 8 > s->cur_frame->linesize[0] ||
(row + h4) > s->rows + 2 * !(avctx->flags & CODEC_FLAG_EMU_EDGE);
(row + h4) > s->rows;
emu[1] = (col + w4) * 4 > s->cur_frame->linesize[1] ||
(row + h4) > s->rows + 2 * !(avctx->flags & CODEC_FLAG_EMU_EDGE);
(row + h4) > s->rows;
if (emu[0]) {
b->dst[0] = s->tmp_y;
b->y_stride = 64;

1
tests/fate/vpx.mak
View File

@ -78,7 +78,6 @@ $(eval $(call FATE_VP9_SUITE,tiling-pedestrian,$(1),$(2)))
endef
$(eval $(call FATE_VP9_FULL))
$(eval $(call FATE_VP9_FULL,-emu-edge,-flags +emu_edge))
FATE_SAMPLES_AVCONV-$(CONFIG_VP9_DECODER) += $(FATE_VP9-yes)
fate-vp9: $(FATE_VP9-yes)