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Port pred8x8l_vertical_mmxext/ssse3 (H.264 intra prediction) from x264 to

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FFmpeg. Original authors: Holger Lubitz <holger lubitz org>, Jason Garrett-
Glaser <darkshikari gmail com> (approves LGPL relicensing for this code) and
Loren Merritt <lorenm at u dot washington dot edu> (approves LGPL relicensing
for this code). Patch by Daniel Kang <daniel dot d dot kang at gmail com>, as
part of Google's GCI 2010.

Originally committed as revision 26140 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Daniel Kang 2010-12-29 18:46:40 +00:00 committed by Ronald S. Bultje
parent 04207ef353
commit ee1ba9c326
2 changed files with 56 additions and 0 deletions
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52
libavcodec/x86/h264_intrapred.asm
View File

@ -1322,6 +1322,58 @@ PRED8x8L_HORIZONTAL mmxext
PRED8x8L_HORIZONTAL ssse3
%endif
;-----------------------------------------------------------------------------
; void pred8x8l_vertical(uint8_t *src, int has_topleft, int has_topright, int stride)
;-----------------------------------------------------------------------------
%ifdef CONFIG_GPL
%macro PRED8x8L_VERTICAL 1
cglobal pred8x8l_vertical_%1, 4,4
sub r0, r3
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
jmp .body
.fix_lt_2:
movq mm5, mm3
pxor mm5, mm2
psllq mm5, 56
psrlq mm5, 56
pxor mm2, mm5
test r2, r2 ; top_right
jnz .body
.fix_tr_1:
movq mm5, mm3
pxor mm5, mm1
psrlq mm5, 56
psllq mm5, 56
pxor mm1, mm5
.body
PRED4x4_LOWPASS mm0, mm2, mm1, mm3, mm5
%rep 3
movq [r0+r3*1], mm0
movq [r0+r3*2], mm0
lea r0, [r0+r3*2]
%endrep
movq [r0+r3*1], mm0
movq [r0+r3*2], mm0
RET
%endmacro
INIT_MMX
%define PALIGNR PALIGNR_MMX
PRED8x8L_VERTICAL mmxext
%define PALIGNR PALIGNR_SSSE3
PRED8x8L_VERTICAL ssse3
%endif
;-----------------------------------------------------------------------------
; void pred4x4_dc_mmxext(uint8_t *src, const uint8_t *topright, int stride)
;-----------------------------------------------------------------------------

4
libavcodec/x86/h264_intrapred_init.c
View File

@ -65,6 +65,8 @@ void ff_pred8x8l_dc_mmxext (uint8_t *src, int has_topleft, int has_topri
void ff_pred8x8l_dc_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_horizontal_mmxext (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_horizontal_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_vertical_mmxext (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_vertical_ssse3 (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);
@ -106,6 +108,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
h->pred8x8l [TOP_DC_PRED ] = ff_pred8x8l_top_dc_mmxext;
h->pred8x8l [DC_PRED ] = ff_pred8x8l_dc_mmxext;
h->pred8x8l [HOR_PRED ] = ff_pred8x8l_horizontal_mmxext;
h->pred8x8l [VERT_PRED ] = ff_pred8x8l_vertical_mmxext;
#endif
h->pred4x4 [DC_PRED ] = ff_pred4x4_dc_mmxext;
#if CONFIG_GPL
@ -163,6 +166,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
h->pred8x8l [TOP_DC_PRED ] = ff_pred8x8l_top_dc_ssse3;
h->pred8x8l [DC_PRED ] = ff_pred8x8l_dc_ssse3;
h->pred8x8l [HOR_PRED ] = ff_pred8x8l_horizontal_ssse3;
h->pred8x8l [VERT_PRED ] = ff_pred8x8l_vertical_ssse3;
#endif
if (codec_id == CODEC_ID_VP8) {
h->pred8x8 [PLANE_PRED8x8] = ff_pred8x8_tm_vp8_ssse3;