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

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2.6 times faster (366 vs. 142 cycles)
This commit is contained in:
James Darnley 2016-01-13 14:34:44 +00:00
parent 9556446623
commit 7042a55c55
2 changed files with 47 additions and 3 deletions
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46
libavcodec/x86/h264_deblock.asm
View File

@ -864,7 +864,50 @@ ff_chroma_inter_body_mmxext:
DEBLOCK_P0_Q0
ret
%define t5 r4
%define t6 r5
cglobal deblock_h_chroma422_8, 5, 6, 0, 0-(1+ARCH_X86_64*2)*mmsize
%if ARCH_X86_64
%define buf0 [rsp+16]
%define buf1 [rsp+8]
%else
%define buf0 r0m
%define buf1 r2m
%endif
movd m6, [r4]
punpcklbw m6, m6
movq [rsp], m6
CHROMA_H_START
TRANSPOSE4x8B_LOAD PASS8ROWS(t5, r0, r1, t6)
movq buf0, m0
movq buf1, m3
LOAD_MASK r2d, r3d
movd m6, [rsp]
punpcklwd m6, m6
pand m7, m6
DEBLOCK_P0_Q0
movq m0, buf0
movq m3, buf1
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
lea r0, [r0+r1*8]
lea t5, [t5+r1*8]
TRANSPOSE4x8B_LOAD PASS8ROWS(t5, r0, r1, t6)
movq buf0, m0
movq buf1, m3
LOAD_MASK r2d, r3d
movd m6, [rsp+4]
punpcklwd m6, m6
pand m7, m6
DEBLOCK_P0_Q0
movq m0, buf0
movq m3, buf1
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
RET
; in: %1=p0 %2=p1 %3=q1
; out: p0 = (p0 + q1 + 2*p1 + 2) >> 2
@ -877,9 +920,6 @@ ff_chroma_inter_body_mmxext:
pavgb %1, %2 ; dst = avg(p1, avg(p0,q1) - ((p0^q1)&1))
%endmacro
%define t5 r4
%define t6 r5
;------------------------------------------------------------------------------
; void ff_deblock_v_chroma_intra(uint8_t *pix, int stride, int alpha, int beta)
;------------------------------------------------------------------------------

4
libavcodec/x86/h264dsp_init.c
View File

@ -129,6 +129,8 @@ LF_IFUNC(v, chroma_intra, depth, avx)
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);
#if ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL
LF_FUNC(v8, luma, 8, mmxext)
static void deblock_v_luma_8_mmxext(uint8_t *pix, int stride, int alpha,
@ -245,6 +247,8 @@ av_cold void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
if (chroma_format_idc <= 1) {
c->h264_h_loop_filter_chroma = ff_deblock_h_chroma_8_mmxext;
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;
}
#if ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL
c->h264_v_loop_filter_luma = deblock_v_luma_8_mmxext;