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Copy macroblock data to a buffer before encoding it

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I got this idea from Pascal (Thanks). Before encoding a macroblock,
copy it to a 16x16 buffer, and then read source data from there
instead. This will help keep the source data in cache, and help
with the performance.

Change-Id: Id05f4cb601299150511d59dcba0ae62c49b5b757
This commit is contained in:
Yunqing Wang
2011-06-23 13:54:02 -04:00
parent 109c20299c
commit 0d87098e08
8 changed files with 48 additions and 23 deletions
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4
vp8/encoder/encodeintra.c
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@@ -91,11 +91,11 @@ void vp8_encode_intra4x4mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb)
void vp8_encode_intra16x16mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
int b;
BLOCK *b = &x->block[0];
RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mby)(&x->e_mbd);
ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, x->src.y_buffer, x->e_mbd.predictor, x->src.y_stride);
ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, *(b->base_src), x->e_mbd.predictor, b->src_stride);
vp8_transform_intra_mby(x);