virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-13 21:28:01 +02:00
Code Issues Releases Activity

MMXEXT version of vp8 4x4 vertical pred

Browse Source 
Originally committed as revision 23876 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Jason Garrett-Glaser 2010-06-29 00:23:52 +00:00
parent fb9927ad7d
commit bc14f04b2f
2 changed files with 35 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
libavcodec/x86/h264_intrapred.asm
View File

@ -27,6 +27,7 @@ tm_shuf: times 8 db 0x03, 0x80
SECTION .text
cextern pb_1
cextern pb_3
;-----------------------------------------------------------------------------
@ -572,3 +573,35 @@ cglobal pred4x4_tm_vp8_ssse3, 3,3
movd [r1+r2*1], mm4
movd [r1+r2*2], mm5
RET
; dest, left, right, src, tmp
; output: %1 = (t[n-1] + t[n]*2 + t[n+1] + 2) >> 2
%macro PRED4x4_LOWPASS 5
mova %5, %2
pavgb %2, %3
pxor %3, %5
mova %1, %4
pand %3, [pb_1]
psubusb %2, %3
pavgb %1, %2
%endmacro
;-----------------------------------------------------------------------------
; void pred4x4_vertical_vp8_mmxext(uint8_t *src, const uint8_t *topright, int stride)
;-----------------------------------------------------------------------------
INIT_MMX
cglobal pred4x4_vertical_vp8_mmxext, 3,3
sub r0, r2
movd m1, [r0-1]
movd m0, [r0]
mova m2, m0 ;t0 t1 t2 t3
punpckldq m0, [r1] ;t0 t1 t2 t3 t4 t5 t6 t7
lea r1, [r0+r2*2]
psrlq m0, 8 ;t1 t2 t3 t4
PRED4x4_LOWPASS m3, m1, m0, m2, m4
movd [r0+r2*1], m3
movd [r0+r2*2], m3
movd [r1+r2*1], m3
movd [r1+r2*2], m3
RET

2
libavcodec/x86/h264dsp_mmx.c
View File

@ -2348,6 +2348,7 @@ void ff_pred4x4_dc_mmxext (uint8_t *src, const uint8_t *topright, int s
void ff_pred4x4_tm_vp8_mmx (uint8_t *src, const uint8_t *topright, int stride);
void ff_pred4x4_tm_vp8_mmxext (uint8_t *src, const uint8_t *topright, int stride);
void ff_pred4x4_tm_vp8_ssse3 (uint8_t *src, const uint8_t *topright, int stride);
void ff_pred4x4_vertical_vp8_mmxext(uint8_t *src, const uint8_t *topright, int stride);
#if CONFIG_H264DSP
void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
@ -2375,6 +2376,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
h->pred8x8 [DC_PRED8x8 ] = ff_pred8x8_dc_rv40_mmxext;
h->pred8x8 [PLANE_PRED8x8] = ff_pred8x8_tm_vp8_mmxext;
h->pred4x4 [TM_VP8_PRED ] = ff_pred4x4_tm_vp8_mmxext;
h->pred4x4 [VERT_PRED ] = ff_pred4x4_vertical_vp8_mmxext;
}
}