Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Port pred8x8l_vertical_right_mmxext (H.264 intra prediction) from x264

Browse Source 
(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 26146 to svn://svn.ffmpeg.org/ffmpeg/trunk
oldabi
Daniel Kang 14 years ago committed by Ronald S. Bultje
parent 602a4cb25a
commit f25112fc09
2 changed files with 115 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 113
      libavcodec/x86/h264_intrapred.asm
  2. 2
      libavcodec/x86/h264_intrapred_init.c

113
libavcodec/x86/h264_intrapred.asm
Unescape View File

@ -1724,6 +1724,119 @@ INIT_MMX
PRED8x8L_DOWN_RIGHT ssse3
%endif
;-----------------------------------------------------------------------------
; void pred8x8l_vertical_right(uint8_t *src, int has_topleft, int has_topright, int stride)
;-----------------------------------------------------------------------------
%ifdef CONFIG_GPL
INIT_MMX
%define PALIGNR PALIGNR_MMX
cglobal pred8x8l_vertical_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
jz .fix_lt_1
jmp .do_left
.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
jnz .do_top
.fix_tr_1:
movq mm5, mm3
pxor mm5, mm1
psrlq mm5, 56
psllq mm5, 56
pxor mm1, mm5
jmp .do_top
.do_left:
movq mm0, mm4
PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
movq mm7, mm2
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
jz .fix_lt_2
test r2, r2
jz .fix_tr_1
.do_top
PRED4x4_LOWPASS mm6, mm2, mm1, mm3, mm5
lea r1, [r0+r3*2]
movq mm2, mm6
movq mm3, mm6
PALIGNR mm3, mm7, 7, mm0
PALIGNR mm6, mm7, 6, mm1
movq mm4, mm3
pavgb mm3, mm2
lea r2, [r1+r3*2]
PRED4x4_LOWPASS mm0, mm6, mm2, mm4, mm5
movq [r0+r3*1], mm3
movq [r0+r3*2], mm0
movq mm5, mm0
movq mm6, mm3
movq mm1, mm7
movq mm2, mm1
psllq mm2, 8
movq mm3, mm1
psllq mm3, 16
lea r4, [r2+r3*2]
PRED4x4_LOWPASS mm0, mm1, mm3, mm2, mm4
PALIGNR mm6, mm0, 7, mm2
movq [r1+r3*1], mm6
psllq mm0, 8
PALIGNR mm5, mm0, 7, mm1
movq [r1+r3*2], mm5
psllq mm0, 8
PALIGNR mm6, mm0, 7, mm2
movq [r2+r3*1], mm6
psllq mm0, 8
PALIGNR mm5, mm0, 7, mm1
movq [r2+r3*2], mm5
psllq mm0, 8
PALIGNR mm6, mm0, 7, mm2
movq [r4+r3*1], mm6
psllq mm0, 8
PALIGNR mm5, mm0, 7, mm1
movq [r4+r3*2], mm5
RET
%endif
;-----------------------------------------------------------------------------
; void pred4x4_dc_mmxext(uint8_t *src, const uint8_t *topright, int stride)
;-----------------------------------------------------------------------------

2
libavcodec/x86/h264_intrapred_init.c
Unescape View File

@ -72,6 +72,7 @@ void ff_pred8x8l_down_left_ssse3 (uint8_t *src, int has_topleft, int has_topri
void ff_pred8x8l_down_right_mmxext (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_down_right_sse2 (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_down_right_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_vertical_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);
@ -115,6 +116,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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;
h->pred8x8l [VERT_RIGHT_PRED ] = ff_pred8x8l_vertical_right_mmxext;
#endif
h->pred4x4 [DC_PRED ] = ff_pred4x4_dc_mmxext;
#if CONFIG_GPL

Write Preview
Loading…
Cancel
Save