mirror of https://git.ffmpeg.org/ffmpeg.git
Port pred8x8_top_dc_mmxext (H.264 intra prediction) from x264 to 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 26132 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
98928c83e0
commit
725a3f9dfb
|
@ -827,6 +827,41 @@ PRED8x8_H mmx
|
|||
PRED8x8_H mmxext
|
||||
PRED8x8_H ssse3
|
||||
|
||||
;-----------------------------------------------------------------------------
|
||||
; void pred8x8_top_dc_mmxext(uint8_t *src, int stride)
|
||||
;-----------------------------------------------------------------------------
|
||||
%ifdef CONFIG_GPL
|
||||
cglobal pred8x8_top_dc_mmxext, 2,5
|
||||
sub r0, r1
|
||||
movq mm0, [r0]
|
||||
pxor mm1, mm1
|
||||
pxor mm2, mm2
|
||||
lea r2, [r0+r1*2]
|
||||
punpckhbw mm1, mm0
|
||||
punpcklbw mm0, mm2
|
||||
psadbw mm1, mm2 ; s1
|
||||
lea r3, [r2+r1*2]
|
||||
psadbw mm0, mm2 ; s0
|
||||
psrlw mm1, 1
|
||||
psrlw mm0, 1
|
||||
pavgw mm1, mm2
|
||||
lea r4, [r3+r1*2]
|
||||
pavgw mm0, mm2
|
||||
pshufw mm1, mm1, 0
|
||||
pshufw mm0, mm0, 0 ; dc0 (w)
|
||||
packuswb mm0, mm1 ; dc0,dc1 (b)
|
||||
movq [r0+r1*1], mm0
|
||||
movq [r0+r1*2], mm0
|
||||
lea r0, [r3+r1*2]
|
||||
movq [r2+r1*1], mm0
|
||||
movq [r2+r1*2], mm0
|
||||
movq [r3+r1*1], mm0
|
||||
movq [r3+r1*2], mm0
|
||||
movq [r0+r1*1], mm0
|
||||
movq [r0+r1*2], mm0
|
||||
RET
|
||||
%endif
|
||||
|
||||
;-----------------------------------------------------------------------------
|
||||
; void pred8x8_dc_rv40(uint8_t *src, int stride)
|
||||
;-----------------------------------------------------------------------------
|
||||
|
|
|
@ -44,6 +44,7 @@ void ff_pred16x16_plane_svq3_ssse3 (uint8_t *src, int stride);
|
|||
void ff_pred16x16_tm_vp8_mmx (uint8_t *src, int stride);
|
||||
void ff_pred16x16_tm_vp8_mmxext (uint8_t *src, int stride);
|
||||
void ff_pred16x16_tm_vp8_sse2 (uint8_t *src, int stride);
|
||||
void ff_pred8x8_top_dc_mmxext (uint8_t *src, int stride);
|
||||
void ff_pred8x8_dc_rv40_mmxext (uint8_t *src, int stride);
|
||||
void ff_pred8x8_vertical_mmx (uint8_t *src, int stride);
|
||||
void ff_pred8x8_horizontal_mmx (uint8_t *src, int stride);
|
||||
|
@ -98,6 +99,9 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
|
|||
#if CONFIG_GPL
|
||||
if (codec_id == CODEC_ID_VP8 || codec_id == CODEC_ID_H264)
|
||||
h->pred4x4 [DIAG_DOWN_LEFT_PRED ] = ff_pred4x4_down_left_mmxext;
|
||||
if (codec_id == CODEC_ID_SVQ3 || codec_id == CODEC_ID_H264) {
|
||||
h->pred8x8 [TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_mmxext;
|
||||
}
|
||||
#endif
|
||||
if (codec_id == CODEC_ID_VP8) {
|
||||
h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_tm_vp8_mmxext;
|
||||
|
|
Loading…
Reference in New Issue