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Code Issues Releases Activity

avcodec/h264: add avx 8-bit 4:2:0 chroma h intra deblock/loop filter

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~1.10x faster (69 vs. 63 cycles) compared to mmxext function
This commit is contained in:
James Darnley 2017-02-15 15:03:18 +01:00
parent 987ffe4b8d
commit 0e16b3e2be
2 changed files with 10 additions and 0 deletions
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9
libavcodec/x86/h264_deblock.asm
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@ -1223,6 +1223,15 @@ cglobal deblock_v_chroma_intra_8, 4, 5, 8, pix_, stride_, alpha_, beta_
movq [pix_q], m2
RET
cglobal deblock_h_chroma_intra_8, 4, 6, 8, pix_, stride_, alpha_, beta_
CHROMA_H_START_XMM r4, r5
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r4 - 2, stride_q, r5)
TRANSPOSE_8x4B_XMM
CHROMA_INTRA_BODY_XMM
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r4 - 2, stride_q, r5)
RET
%endmacro ; DEBLOCK_CHROMA_XMM
DEBLOCK_CHROMA_XMM avx

1
libavcodec/x86/h264dsp_init.c
View File

@ -322,6 +322,7 @@ av_cold void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
c->h264_v_loop_filter_chroma_intra = ff_deblock_v_chroma_intra_8_avx;
if (chroma_format_idc <= 1) {
c->h264_h_loop_filter_chroma = ff_deblock_h_chroma_8_avx;
c->h264_h_loop_filter_chroma_intra = ff_deblock_h_chroma_intra_8_avx;
} else {
c->h264_h_loop_filter_chroma = ff_deblock_h_chroma422_8_avx;
}