mirror of https://git.ffmpeg.org/ffmpeg.git
Port pred4x4_horizontal_up_mmxext (H.264 intra prediction) from x264 (authors:
Jason, Loren, Holger) to FFmpeg. Patch by Daniel Kang <daniel dot d dot kang at gmail com>, as part of Google's GCI 2010. Originally committed as revision 26156 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -2561,4 +2561,37 @@ cglobal pred4x4_vertical_left_mmxext, 3,3
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movh [r1+r2*1], m4
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movh [r1+r2*2], m0
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RET
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;-----------------------------------------------------------------------------
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; void pred4x4_horizontal_up_mmxext(uint8_t *src, const uint8_t *topright, int stride)
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;-----------------------------------------------------------------------------
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INIT_MMX
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cglobal pred4x4_horizontal_up_mmxext, 3,3
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sub r0, r2
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lea r1, [r0+r2*2]
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movq m0, [r0+r2*1-8]
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punpckhbw m0, [r0+r2*2-8]
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movq m1, [r1+r2*1-8]
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punpckhbw m1, [r1+r2*2-8]
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punpckhwd m0, m1
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movq m1, m0
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punpckhbw m1, m1
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pshufw m1, m1, 0xFF
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punpckhdq m0, m1
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movq m2, m0
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movq m3, m0
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movq m7, m0
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psrlq m2, 16
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psrlq m3, 8
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pavgb m7, m3
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PRED4x4_LOWPASS m4, m0, m2, m3, m5
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punpcklbw m7, m4
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movd [r0+r2*1], m7
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psrlq m7, 16
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movd [r0+r2*2], m7
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psrlq m7, 16
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movd [r1+r2*1], m7
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movd [r1+r2*2], m1
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RET
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%endif
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@ -85,6 +85,7 @@ void ff_pred8x8l_horizontal_down_ssse3(uint8_t *src, int has_topleft, int has_to
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void ff_pred4x4_dc_mmxext (uint8_t *src, const uint8_t *topright, int stride);
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void ff_pred4x4_down_left_mmxext (uint8_t *src, const uint8_t *topright, int stride);
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void ff_pred4x4_vertical_left_mmxext(uint8_t *src, const uint8_t *topright, int stride);
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void ff_pred4x4_horizontal_up_mmxext(uint8_t *src, const uint8_t *topright, int stride);
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void ff_pred4x4_tm_vp8_mmx (uint8_t *src, const uint8_t *topright, int stride);
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void ff_pred4x4_tm_vp8_mmxext (uint8_t *src, const uint8_t *topright, int stride);
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void ff_pred4x4_tm_vp8_ssse3 (uint8_t *src, const uint8_t *topright, int stride);
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@ -136,6 +137,9 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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h->pred4x4 [DIAG_DOWN_LEFT_PRED ] = ff_pred4x4_down_left_mmxext;
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if (codec_id == CODEC_ID_SVQ3 || codec_id == CODEC_ID_H264)
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h->pred4x4 [VERT_LEFT_PRED ] = ff_pred4x4_vertical_left_mmxext;
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if (codec_id != CODEC_ID_RV40) {
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h->pred4x4 [HOR_UP_PRED ] = ff_pred4x4_horizontal_up_mmxext;
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}
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if (codec_id == CODEC_ID_SVQ3 || codec_id == CODEC_ID_H264) {
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h->pred8x8 [TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_mmxext;
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h->pred8x8 [DC_PRED8x8 ] = ff_pred8x8_dc_mmxext;
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