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_sse2/ssse3 (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 26147 to svn://svn.ffmpeg.org/ffmpeg/trunk
oldabi
Daniel Kang 14 years ago committed by Ronald S. Bultje
parent f25112fc09
commit bdd93f1b25
2 changed files with 120 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. 116
      libavcodec/x86/h264_intrapred.asm
  2. 4
      libavcodec/x86/h264_intrapred_init.c

116
libavcodec/x86/h264_intrapred.asm
Unescape View File

@ -28,6 +28,7 @@
SECTION_RODATA
tm_shuf: times 8 db 0x03, 0x80
pw_ff00: times 8 dw 0xff00
plane_shuf: db -8, -7, -6, -5, -4, -3, -2, -1
db 1, 2, 3, 4, 5, 6, 7, 8
plane8_shuf: db -4, -3, -2, -1, 0, 0, 0, 0
@ -1835,6 +1836,121 @@ cglobal pred8x8l_vertical_right_mmxext, 4,5
PALIGNR mm5, mm0, 7, mm1
movq [r4+r3*2], mm5
RET
%macro PRED8x8L_VERTICAL_RIGHT 1
cglobal pred8x8l_vertical_right_%1, 4,5,7
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
jnz .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
movq2dq xmm0, 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]
movq2dq xmm4, mm6
pslldq xmm4, 8
por xmm0, xmm4
movdqa xmm6, [pw_ff00]
movdqa xmm1, xmm0
lea r2, [r1+r3*2]
movdqa xmm2, xmm0
movdqa xmm3, xmm0
pslldq xmm0, 1
pslldq xmm1, 2
pavgb xmm2, xmm0
INIT_XMM
PRED4x4_LOWPASS xmm4, xmm3, xmm1, xmm0, xmm5
pandn xmm6, xmm4
movdqa xmm5, xmm4
psrlw xmm4, 8
packuswb xmm6, xmm4
movhlps xmm4, xmm6
movhps [r0+r3*2], xmm5
movhps [r0+r3*1], xmm2
psrldq xmm5, 4
movss xmm5, xmm6
psrldq xmm2, 4
movss xmm2, xmm4
lea r0, [r2+r3*2]
psrldq xmm5, 1
psrldq xmm2, 1
movq [r0+r3*2], xmm5
movq [r0+r3*1], xmm2
psrldq xmm5, 1
psrldq xmm2, 1
movq [r2+r3*2], xmm5
movq [r2+r3*1], xmm2
psrldq xmm5, 1
psrldq xmm2, 1
movq [r1+r3*2], xmm5
movq [r1+r3*1], xmm2
RET
%endmacro
INIT_MMX
%define PALIGNR PALIGNR_MMX
PRED8x8L_VERTICAL_RIGHT sse2
INIT_MMX
%define PALIGNR PALIGNR_SSSE3
PRED8x8L_VERTICAL_RIGHT ssse3
%endif
;-----------------------------------------------------------------------------

4
libavcodec/x86/h264_intrapred_init.c
Unescape View File

@ -73,6 +73,8 @@ void ff_pred8x8l_down_right_mmxext (uint8_t *src, int has_topleft, int has_topri
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_pred8x8l_vertical_right_sse2(uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_vertical_right_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);
@ -154,6 +156,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
#if CONFIG_GPL
h->pred8x8l [DIAG_DOWN_LEFT_PRED] = ff_pred8x8l_down_left_sse2;
h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_sse2;
h->pred8x8l [VERT_RIGHT_PRED ] = ff_pred8x8l_vertical_right_sse2;
#endif
if (codec_id == CODEC_ID_VP8) {
h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_tm_vp8_sse2;
@ -181,6 +184,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
h->pred8x8l [VERT_PRED ] = ff_pred8x8l_vertical_ssse3;
h->pred8x8l [DIAG_DOWN_LEFT_PRED] = ff_pred8x8l_down_left_ssse3;
h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_ssse3;
h->pred8x8l [VERT_RIGHT_PRED ] = ff_pred8x8l_vertical_right_ssse3;
#endif
if (codec_id == CODEC_ID_VP8) {
h->pred8x8 [PLANE_PRED8x8] = ff_pred8x8_tm_vp8_ssse3;

Write Preview
Loading…
Cancel
Save