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h264: integrate clear_blocks calls with IDCT.

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The non-intra-pcm branch in hl_decode_mb (simple, 8bpp) goes from 700
to 672 cycles, and the complete loop of decode_mb_cabac and hl_decode_mb
(in the decode_slice loop) goes from 1759 to 1733 cycles on the clip
tested (cathedral), i.e. almost 30 cycles per mb faster.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ronald S. Bultje
2013-02-18 21:03:02 -08:00
committed by Michael Niedermayer
parent a1f1ca96b4
commit 1acd7d594c
13 changed files with 209 additions and 77 deletions
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8
libavcodec/h264pred.h
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@@ -98,15 +98,15 @@ typedef struct H264PredContext {
void(*pred16x16[4 + 3 + 2])(uint8_t *src, ptrdiff_t stride);
void(*pred4x4_add[2])(uint8_t *pix /*align 4*/,
const int16_t *block /*align 16*/, ptrdiff_t stride);
int16_t *block /*align 16*/, ptrdiff_t stride);
void(*pred8x8l_add[2])(uint8_t *pix /*align 8*/,
const int16_t *block /*align 16*/, ptrdiff_t stride);
int16_t *block /*align 16*/, ptrdiff_t stride);
void(*pred8x8_add[3])(uint8_t *pix /*align 8*/,
const int *block_offset,
const int16_t *block /*align 16*/, ptrdiff_t stride);
int16_t *block /*align 16*/, ptrdiff_t stride);
void(*pred16x16_add[3])(uint8_t *pix /*align 16*/,
const int *block_offset,
const int16_t *block /*align 16*/, ptrdiff_t stride);
int16_t *block /*align 16*/, ptrdiff_t stride);
} H264PredContext;
void ff_h264_pred_init(H264PredContext *h, int codec_id,