diff options
Diffstat (limited to 'libavcodec/x86')
-rw-r--r-- | libavcodec/x86/Makefile | 1 | ||||
-rw-r--r-- | libavcodec/x86/deinterlace.asm | 81 | ||||
-rw-r--r-- | libavcodec/x86/dsputil_mmx.h | 13 |
3 files changed, 95 insertions, 0 deletions
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile index 3f19f06..ea53e33 100644 --- a/libavcodec/x86/Makefile +++ b/libavcodec/x86/Makefile @@ -35,6 +35,7 @@ MMX-OBJS-$(CONFIG_VP6_DECODER) += x86/vp3dsp_mmx.o \ YASM-OBJS-$(CONFIG_VP8_DECODER) += x86/vp8dsp.o MMX-OBJS-$(CONFIG_VP8_DECODER) += x86/vp8dsp-init.o MMX-OBJS-$(HAVE_YASM) += x86/dsputil_yasm.o \ + x86/deinterlace.o \ $(YASM-OBJS-yes) MMX-OBJS-$(CONFIG_FFT) += x86/fft.o diff --git a/libavcodec/x86/deinterlace.asm b/libavcodec/x86/deinterlace.asm new file mode 100644 index 0000000..5db9464 --- /dev/null +++ b/libavcodec/x86/deinterlace.asm @@ -0,0 +1,81 @@ +;****************************************************************************** +;* MMX optimized deinterlacing functions +;* Copyright (c) 2010 Vitor Sessak +;* Copyright (c) 2002 Michael Niedermayer +;* +;* This file is part of FFmpeg. +;* +;* FFmpeg is free software; you can redistribute it and/or +;* modify it under the terms of the GNU Lesser General Public +;* License as published by the Free Software Foundation; either +;* version 2.1 of the License, or (at your option) any later version. +;* +;* FFmpeg is distributed in the hope that it will be useful, +;* but WITHOUT ANY WARRANTY; without even the implied warranty of +;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;* Lesser General Public License for more details. +;* +;* You should have received a copy of the GNU Lesser General Public +;* License along with FFmpeg; if not, write to the Free Software +;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "x86inc.asm" +%include "x86util.asm" + +SECTION_RODATA + +cextern pw_4 + +%macro DEINTERLACE 1 +%ifidn %1, inplace +;void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size) +cglobal deinterlace_line_inplace_mmx, 6,6,7, lum_m4, lum_m3, lum_m2, lum_m1, lum, size +%else +;void ff_deinterlace_line_mmx(uint8_t *dst, const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size) +cglobal deinterlace_line_mmx, 7,7,7, dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size +%endif + pxor mm7, mm7 + movq mm6, [pw_4] +.nextrow + movd mm0, [lum_m4q] + movd mm1, [lum_m3q] + movd mm2, [lum_m2q] +%ifidn %1, inplace + movd [lum_m4q], mm2 +%endif + movd mm3, [lum_m1q] + movd mm4, [lumq] + punpcklbw mm0, mm7 + punpcklbw mm1, mm7 + punpcklbw mm2, mm7 + punpcklbw mm3, mm7 + punpcklbw mm4, mm7 + paddw mm1, mm3 + psllw mm2, 1 + paddw mm0, mm4 + psllw mm1, 2 + paddw mm2, mm6 + paddw mm1, mm2 + psubusw mm1, mm0 + psrlw mm1, 3 + packuswb mm1, mm7 +%ifidn %1, inplace + movd [lum_m2q], mm1 +%else + movd [dstq], mm1 + add dstq, 4 +%endif + add lum_m4q, 4 + add lum_m3q, 4 + add lum_m2q, 4 + add lum_m1q, 4 + add lumq, 4 + sub sized, 4 + jg .nextrow + REP_RET +%endmacro + +DEINTERLACE "" + +DEINTERLACE inplace diff --git a/libavcodec/x86/dsputil_mmx.h b/libavcodec/x86/dsputil_mmx.h index 13067df..5de1c90 100644 --- a/libavcodec/x86/dsputil_mmx.h +++ b/libavcodec/x86/dsputil_mmx.h @@ -179,4 +179,17 @@ void ff_lpc_compute_autocorr_sse2(const int32_t *data, int len, int lag, void ff_mmx_idct(DCTELEM *block); void ff_mmxext_idct(DCTELEM *block); + +void ff_deinterlace_line_mmx(uint8_t *dst, + const uint8_t *lum_m4, const uint8_t *lum_m3, + const uint8_t *lum_m2, const uint8_t *lum_m1, + const uint8_t *lum, + int size); + +void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4, + const uint8_t *lum_m3, + const uint8_t *lum_m2, + const uint8_t *lum_m1, + const uint8_t *lum, int size); + #endif /* AVCODEC_X86_DSPUTIL_MMX_H */ |