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Code Issues Releases Activity

avcodec/h264: mmxext 4:2:2 chroma intra deblock/loop filter

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2.1 times faster (401 vs. 194 cycles)
This commit is contained in:
James Darnley 2016-11-28 14:26:53 +01:00
parent 122190392b
commit 815ea8c6cc
2 changed files with 16 additions and 0 deletions
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14
libavcodec/x86/h264_deblock.asm
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@ -946,6 +946,20 @@ cglobal deblock_h_chroma_intra_8, 4,6
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
RET
cglobal deblock_h_chroma422_intra_8, 4, 6
CHROMA_H_START
TRANSPOSE4x8_LOAD bw, wd, dq, PASS8ROWS(t5, r0, r1, t6)
call ff_chroma_intra_body_mmxext
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
lea r0, [r0+r1*8]
lea t5, [t5+r1*8]
TRANSPOSE4x8_LOAD bw, wd, dq, PASS8ROWS(t5, r0, r1, t6)
call ff_chroma_intra_body_mmxext
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
RET
ALIGN 16
ff_chroma_intra_body_mmxext:
LOAD_MASK r2d, r3d

2
libavcodec/x86/h264dsp_init.c
View File

@ -130,6 +130,7 @@ LF_FUNCS(uint8_t, 8)
LF_FUNCS(uint16_t, 10)
void ff_deblock_h_chroma422_8_mmxext(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
LF_IFUNC(h, chroma422_intra, 8, mmxext)
#if ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL
LF_FUNC(v8, luma, 8, mmxext)
@ -249,6 +250,7 @@ av_cold void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
c->h264_h_loop_filter_chroma_intra = ff_deblock_h_chroma_intra_8_mmxext;
} else {
c->h264_h_loop_filter_chroma = ff_deblock_h_chroma422_8_mmxext;
c->h264_h_loop_filter_chroma_intra = ff_deblock_h_chroma422_intra_8_mmxext;
}
#if ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL
c->h264_v_loop_filter_luma = deblock_v_luma_8_mmxext;