diff options
author | Daniel Kang <daniel.d.kang@gmail.com> | 2010-12-29 22:12:02 +0300 |
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committer | Ronald S. Bultje <rsbultje@gmail.com> | 2010-12-29 22:12:02 +0300 |
commit | e916acbcd1d80aa114a877d6f479788e270e0cd4 (patch) | |
tree | 03414294e7832320152d3106367933b8fb8fc36f /libavcodec/x86 | |
parent | c249e665767fa0295534017e4496e8c28b173912 (diff) |
Port pred8x8l_down_right_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 26143 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86')
-rw-r--r-- | libavcodec/x86/h264_intrapred.asm | 138 | ||||
-rw-r--r-- | libavcodec/x86/h264_intrapred_init.c | 2 |
2 files changed, 140 insertions, 0 deletions
diff --git a/libavcodec/x86/h264_intrapred.asm b/libavcodec/x86/h264_intrapred.asm index 28b6bfd132..7ab7231f45 100644 --- a/libavcodec/x86/h264_intrapred.asm +++ b/libavcodec/x86/h264_intrapred.asm @@ -1470,6 +1470,144 @@ PRED8x8L_DOWN_LEFT ssse3 %endif ;----------------------------------------------------------------------------- +;void pred8x8l_down_right_mmxext(uint8_t *src, int has_topleft, int has_topright, int stride) +;----------------------------------------------------------------------------- +%ifdef CONFIG_GPL +INIT_MMX +%define PALIGNR PALIGNR_MMX +cglobal pred8x8l_down_right_mmxext, 4,5 + sub r0, r3 + lea r4, [r0+r3*2] + movq mm0, [r0+r3*1-8] + punpckhbw mm0, [r0+r3*0-8] + movq mm1, [r4+r3*1-8] + punpckhbw mm1, [r0+r3*2-8] + mov r4, r0 + punpckhwd mm1, mm0 + lea r0, [r0+r3*4] + movq mm2, [r0+r3*1-8] + punpckhbw mm2, [r0+r3*0-8] + lea r0, [r0+r3*2] + movq mm3, [r0+r3*1-8] + punpckhbw mm3, [r0+r3*0-8] + punpckhwd mm3, mm2 + punpckhdq mm3, mm1 + lea r0, [r0+r3*2] + movq mm0, [r0+r3*0-8] + movq mm1, [r4] + mov r0, r4 + movq mm4, mm3 + movq mm2, mm3 + PALIGNR mm4, mm0, 7, mm0 + PALIGNR mm1, mm2, 1, mm2 + test r1, r1 ; top_left + jz .fix_lt_1 +.do_left: + movq mm0, mm4 + PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5 + movq mm4, mm0 + movq mm7, mm2 + movq mm6, mm2 + PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5 + psllq mm1, 56 + PALIGNR mm7, mm1, 7, mm3 + movq mm0, [r0-8] + movq mm3, [r0] + movq mm1, [r0+8] + movq mm2, mm3 + movq mm4, mm3 + PALIGNR mm2, mm0, 7, mm0 + PALIGNR mm1, mm4, 1, mm4 + test r1, r1 ; top_left + jz .fix_lt_2 + test r2, r2 ; top_right + jz .fix_tr_1 +.do_top: + PRED4x4_LOWPASS mm4, mm2, mm1, mm3, mm5 + movq mm5, mm4 + jmp .body +.fix_lt_1: + movq mm5, mm3 + pxor mm5, mm4 + psrlq mm5, 56 + psllq mm5, 48 + pxor mm1, mm5 + jmp .do_left +.fix_lt_2: + movq mm5, mm3 + pxor mm5, mm2 + psllq mm5, 56 + psrlq mm5, 56 + pxor mm2, mm5 + test r2, r2 ; top_right + jnz .do_top +.fix_tr_1: + movq mm5, mm3 + pxor mm5, mm1 + psrlq mm5, 56 + psllq mm5, 56 + pxor mm1, mm5 + jmp .do_top +.body + lea r1, [r0+r3*2] + movq mm1, mm7 + movq mm7, mm5 + movq mm5, mm6 + movq mm2, mm7 + lea r2, [r1+r3*2] + PALIGNR mm2, mm6, 1, mm0 + movq mm3, mm7 + PALIGNR mm3, mm6, 7, mm0 + movq mm4, mm7 + lea r4, [r2+r3*2] + psrlq mm4, 8 + PRED4x4_LOWPASS mm0, mm1, mm2, mm5, mm6 + PRED4x4_LOWPASS mm1, mm3, mm4, mm7, mm6 + movq [r4+r3*2], mm0 + movq mm2, mm1 + psrlq mm0, 8 + psllq mm2, 56 + psrlq mm1, 8 + por mm0, mm2 + movq [r4+r3*1], mm0 + movq mm2, mm1 + psrlq mm0, 8 + psllq mm2, 56 + psrlq mm1, 8 + por mm0, mm2 + movq [r2+r3*2], mm0 + movq mm2, mm1 + psrlq mm0, 8 + psllq mm2, 56 + psrlq mm1, 8 + por mm0, mm2 + movq [r2+r3*1], mm0 + movq mm2, mm1 + psrlq mm0, 8 + psllq mm2, 56 + psrlq mm1, 8 + por mm0, mm2 + movq [r1+r3*2], mm0 + movq mm2, mm1 + psrlq mm0, 8 + psllq mm2, 56 + psrlq mm1, 8 + por mm0, mm2 + movq [r1+r3*1], mm0 + movq mm2, mm1 + psrlq mm0, 8 + psllq mm2, 56 + psrlq mm1, 8 + por mm0, mm2 + movq [r0+r3*2], mm0 + psrlq mm0, 8 + psllq mm1, 56 + por mm0, mm1 + movq [r0+r3*1], mm0 + RET +%endif + +;----------------------------------------------------------------------------- ; void pred4x4_dc_mmxext(uint8_t *src, const uint8_t *topright, int stride) ;----------------------------------------------------------------------------- diff --git a/libavcodec/x86/h264_intrapred_init.c b/libavcodec/x86/h264_intrapred_init.c index 19de71f5cf..4f7f2aa0f0 100644 --- a/libavcodec/x86/h264_intrapred_init.c +++ b/libavcodec/x86/h264_intrapred_init.c @@ -69,6 +69,7 @@ void ff_pred8x8l_vertical_mmxext (uint8_t *src, int has_topleft, int has_topri void ff_pred8x8l_vertical_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride); void ff_pred8x8l_down_left_sse2 (uint8_t *src, int has_topleft, int has_topright, int stride); void ff_pred8x8l_down_left_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride); +void ff_pred8x8l_down_right_mmxext (uint8_t *src, int has_topleft, int has_topright, int stride); void ff_pred4x4_dc_mmxext (uint8_t *src, const uint8_t *topright, int stride); void ff_pred4x4_down_left_mmxext (uint8_t *src, const uint8_t *topright, int stride); void ff_pred4x4_tm_vp8_mmx (uint8_t *src, const uint8_t *topright, int stride); @@ -111,6 +112,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id) h->pred8x8l [DC_PRED ] = ff_pred8x8l_dc_mmxext; h->pred8x8l [HOR_PRED ] = ff_pred8x8l_horizontal_mmxext; h->pred8x8l [VERT_PRED ] = ff_pred8x8l_vertical_mmxext; + h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_mmxext; #endif h->pred4x4 [DC_PRED ] = ff_pred4x4_dc_mmxext; #if CONFIG_GPL |