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avcodec/h264: add avx 8-bit 4:2:2 chroma h deblock/loop filter 

~1.21x faster (68 vs. 56 cycles) compared with mmxext function
This commit is contained in:
James Darnley 2017-02-15 14:54:11 +01:00
parent ac096fc82d
commit 88307b3eec
2 changed files with 29 additions and 0 deletions
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27
libavcodec/x86/h264_deblock.asm
View File

@ -1163,6 +1163,33 @@ cglobal deblock_h_chroma_8, 5, 7, 8, 0-16, pix_, stride_, alpha_, beta_, tc0_
STORE_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
RET
cglobal deblock_h_chroma422_8, 5, 7, 8, 0-16, pix_, stride_, alpha_, beta_, tc0_,
CHROMA_H_START_XMM r5, r6
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
TRANSPOSE_8x4B_XMM
movq [rsp], m0
movq [rsp + 8], m3
CHROMA_INTER_BODY_XMM 2
movq m0, [rsp]
movq m3, [rsp + 8]
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
lea pix_q, [pix_q + 8*stride_q]
lea r5, [r5 + 8*stride_q]
add tc0_q, 2
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
TRANSPOSE_8x4B_XMM
movq [rsp], m0
movq [rsp + 8], m3
CHROMA_INTER_BODY_XMM 2
movq m0, [rsp]
movq m3, [rsp + 8]
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
RET
%endmacro ; DEBLOCK_CHROMA_XMM
DEBLOCK_CHROMA_XMM avx

2
libavcodec/x86/h264dsp_init.c
View File

@ -321,6 +321,8 @@ av_cold void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
c->h264_v_loop_filter_chroma = ff_deblock_v_chroma_8_avx;
if (chroma_format_idc <= 1) {
c->h264_h_loop_filter_chroma = ff_deblock_h_chroma_8_avx;
} else {
c->h264_h_loop_filter_chroma = ff_deblock_h_chroma422_8_avx;
}
}
} else if (bit_depth == 10) {