ed007ad427
This has the advantage of not violating the ABI by using MMX registers without issuing emms; it e.g. allows to remove an emms_c from bink.c. This commit uses GP registers on Unix64 (there are not enough volatile registers to do likewise on Win64) which reduces codesize and is faster on some CPUs. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
126 lines
6.3 KiB
C
126 lines
6.3 KiB
C
/*
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* Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
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* Copyright (c) 2006 Stefan Gehrer <stefan.gehrer@gmx.de>
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*
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* MMX-optimized DSP functions, based on H.264 optimizations by
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* Michael Niedermayer and Loren Merritt
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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/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/mem_internal.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/cavsdsp.h"
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#include "libavcodec/idctdsp.h"
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#include "fpel.h"
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#include "idctdsp.h"
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#include "config.h"
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#if HAVE_SSE2_EXTERNAL
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void ff_cavs_idct8_sse2(int16_t *out, const int16_t *in);
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static void cavs_idct8_add_sse2(uint8_t *dst, int16_t *block, ptrdiff_t stride)
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{
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LOCAL_ALIGNED(16, int16_t, b2, [64]);
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ff_cavs_idct8_sse2(b2, block);
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ff_add_pixels_clamped_sse2(b2, dst, stride);
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}
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#endif /* HAVE_SSE2_EXTERNAL */
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#if HAVE_SSE2_EXTERNAL
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#define DEF_QPEL(OPNAME) \
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void ff_ ## OPNAME ## _cavs_qpel8_mc20_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
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void ff_ ## OPNAME ## _cavs_qpel8_mc02_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
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void ff_ ## OPNAME ## _cavs_qpel8_mc03_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
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void ff_ ## OPNAME ## _cavs_qpel8_h_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h); \
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void ff_ ## OPNAME ## _cavs_qpel8_v2_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h);\
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void ff_ ## OPNAME ## _cavs_qpel8_v3_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h);\
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DEF_QPEL(put)
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DEF_QPEL(avg)
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#define QPEL_CAVS_XMM(OPNAME, XMM) \
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static void OPNAME ## _cavs_qpel16_mc02_ ## XMM(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) \
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{ \
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ff_ ## OPNAME ## _cavs_qpel8_v2_ ## XMM(dst, src, stride, 16); \
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ff_ ## OPNAME ## _cavs_qpel8_v2_ ## XMM(dst + 8, src + 8, stride, 16); \
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} \
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static void OPNAME ## _cavs_qpel16_mc03_ ## XMM(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) \
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{ \
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ff_ ## OPNAME ## _cavs_qpel8_v3_ ## XMM(dst, src, stride, 16); \
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ff_ ## OPNAME ## _cavs_qpel8_v3_ ## XMM(dst + 8, src + 8, stride, 16); \
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} \
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static void OPNAME ## _cavs_qpel8_mc01_ ## XMM(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) \
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{ \
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ff_ ## OPNAME ## _cavs_qpel8_mc03_ ## XMM(dst + 7 * stride, src + 8 * stride, -stride); \
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} \
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static void OPNAME ## _cavs_qpel16_mc01_ ## XMM(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) \
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{ \
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OPNAME ## _cavs_qpel16_mc03_ ## XMM(dst + 15 * stride, src + 16 * stride, -stride); \
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} \
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static void OPNAME ## _cavs_qpel16_mc20_ ## XMM(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) \
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{ \
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ff_ ## OPNAME ## _cavs_qpel8_h_ ## XMM(dst, src, stride, 16); \
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ff_ ## OPNAME ## _cavs_qpel8_h_ ## XMM(dst + 8, src + 8, stride, 16); \
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}
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QPEL_CAVS_XMM(put, sse2)
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QPEL_CAVS_XMM(avg, sse2)
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#endif
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av_cold void ff_cavsdsp_init_x86(CAVSDSPContext *c)
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{
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av_unused int cpu_flags = av_get_cpu_flags();
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#if HAVE_MMX_EXTERNAL
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if (EXTERNAL_MMXEXT(cpu_flags)) {
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c->avg_cavs_qpel_pixels_tab[1][0] = ff_avg_pixels8x8_mmxext;
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}
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#endif
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#if HAVE_SSE2_EXTERNAL
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->put_cavs_qpel_pixels_tab[0][ 0] = ff_put_pixels16x16_sse2;
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c->put_cavs_qpel_pixels_tab[0][ 2] = put_cavs_qpel16_mc20_sse2;
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c->put_cavs_qpel_pixels_tab[0][ 4] = put_cavs_qpel16_mc01_sse2;
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c->put_cavs_qpel_pixels_tab[0][ 8] = put_cavs_qpel16_mc02_sse2;
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c->put_cavs_qpel_pixels_tab[0][12] = put_cavs_qpel16_mc03_sse2;
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c->put_cavs_qpel_pixels_tab[1][ 0] = ff_put_pixels8x8_sse2;
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c->put_cavs_qpel_pixels_tab[1][ 2] = ff_put_cavs_qpel8_mc20_sse2;
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c->put_cavs_qpel_pixels_tab[1][ 4] = put_cavs_qpel8_mc01_sse2;
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c->put_cavs_qpel_pixels_tab[1][ 8] = ff_put_cavs_qpel8_mc02_sse2;
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c->put_cavs_qpel_pixels_tab[1][12] = ff_put_cavs_qpel8_mc03_sse2;
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c->avg_cavs_qpel_pixels_tab[0][ 0] = ff_avg_pixels16x16_sse2;
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c->avg_cavs_qpel_pixels_tab[0][ 2] = avg_cavs_qpel16_mc20_sse2;
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c->avg_cavs_qpel_pixels_tab[0][ 4] = avg_cavs_qpel16_mc01_sse2;
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c->avg_cavs_qpel_pixels_tab[0][ 8] = avg_cavs_qpel16_mc02_sse2;
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c->avg_cavs_qpel_pixels_tab[0][12] = avg_cavs_qpel16_mc03_sse2;
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c->avg_cavs_qpel_pixels_tab[1][ 2] = ff_avg_cavs_qpel8_mc20_sse2;
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c->avg_cavs_qpel_pixels_tab[1][ 4] = avg_cavs_qpel8_mc01_sse2;
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c->avg_cavs_qpel_pixels_tab[1][ 8] = ff_avg_cavs_qpel8_mc02_sse2;
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c->avg_cavs_qpel_pixels_tab[1][12] = ff_avg_cavs_qpel8_mc03_sse2;
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c->cavs_idct8_add = cavs_idct8_add_sse2;
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c->idct_perm = FF_IDCT_PERM_TRANSPOSE;
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}
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#endif
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}
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