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https://git.ffmpeg.org/ffmpeg.git
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ac8987591f
* commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f': Drop DCTELEM typedef Conflicts: libavcodec/alpha/dsputil_alpha.h libavcodec/alpha/motion_est_alpha.c libavcodec/arm/dsputil_init_armv6.c libavcodec/bfin/dsputil_bfin.h libavcodec/bfin/pixels_bfin.S libavcodec/cavs.c libavcodec/cavsdec.c libavcodec/dct-test.c libavcodec/dnxhdenc.c libavcodec/dsputil.c libavcodec/dsputil.h libavcodec/dsputil_template.c libavcodec/eamad.c libavcodec/h264_cavlc.c libavcodec/h264idct_template.c libavcodec/mpeg12.c libavcodec/mpegvideo.c libavcodec/mpegvideo.h libavcodec/mpegvideo_enc.c libavcodec/ppc/dsputil_altivec.c libavcodec/proresdsp.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
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* VC3/DNxHD SIMD functions
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* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
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*
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* VC-3 encoder funded by the British Broadcasting Corporation
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/x86/asm.h"
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#include "libavcodec/dnxhdenc.h"
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#if HAVE_SSE2_INLINE
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static void get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels, int line_size)
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{
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__asm__ volatile(
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"pxor %%xmm5, %%xmm5 \n\t"
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"movq (%0), %%xmm0 \n\t"
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"add %2, %0 \n\t"
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"movq (%0), %%xmm1 \n\t"
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"movq (%0, %2), %%xmm2 \n\t"
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"movq (%0, %2,2), %%xmm3 \n\t"
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"punpcklbw %%xmm5, %%xmm0 \n\t"
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"punpcklbw %%xmm5, %%xmm1 \n\t"
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"punpcklbw %%xmm5, %%xmm2 \n\t"
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"punpcklbw %%xmm5, %%xmm3 \n\t"
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"movdqa %%xmm0, (%1) \n\t"
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"movdqa %%xmm1, 16(%1) \n\t"
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"movdqa %%xmm2, 32(%1) \n\t"
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"movdqa %%xmm3, 48(%1) \n\t"
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"movdqa %%xmm3 , 64(%1) \n\t"
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"movdqa %%xmm2 , 80(%1) \n\t"
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"movdqa %%xmm1 , 96(%1) \n\t"
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"movdqa %%xmm0, 112(%1) \n\t"
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: "+r" (pixels)
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: "r" (block), "r" ((x86_reg)line_size)
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);
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}
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#endif /* HAVE_SSE2_INLINE */
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void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx)
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{
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#if HAVE_SSE2_INLINE
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if (av_get_cpu_flags() & AV_CPU_FLAG_SSE2) {
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if (ctx->cid_table->bit_depth == 8)
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ctx->get_pixels_8x4_sym = get_pixels_8x4_sym_sse2;
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}
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#endif /* HAVE_SSE2_INLINE */
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}
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