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77aedc77ab
* qatar/master: swscale: Provide the right alignment for external mmx asm x86: Replace checks for CPU extensions and flags by convenience macros configure: msvc: fix/simplify setting of flags for hostcc x86: mlpdsp: mlp_filter_channel_x86 requires inline asm Conflicts: libavcodec/x86/fft_init.c libavcodec/x86/h264_intrapred_init.c libavcodec/x86/h264dsp_init.c libavcodec/x86/mpegaudiodec.c libavcodec/x86/proresdsp_init.c libavutil/x86/float_dsp_init.c libswscale/utils.c libswscale/x86/swscale.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
149 lines
5.8 KiB
C
149 lines
5.8 KiB
C
/*
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* Format Conversion Utils
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* Copyright (c) 2000, 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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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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* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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*/
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#include "libavutil/cpu.h"
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#include "libavutil/x86/asm.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/fmtconvert.h"
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#include "libavcodec/dsputil.h"
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#if HAVE_YASM
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void ff_int32_to_float_fmul_scalar_sse (float *dst, const int *src, float mul, int len);
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void ff_int32_to_float_fmul_scalar_sse2(float *dst, const int *src, float mul, int len);
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void ff_float_to_int16_3dnow(int16_t *dst, const float *src, long len);
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void ff_float_to_int16_sse (int16_t *dst, const float *src, long len);
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void ff_float_to_int16_sse2 (int16_t *dst, const float *src, long len);
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void ff_float_to_int16_step_3dnow(int16_t *dst, const float *src, long len, long step);
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void ff_float_to_int16_step_sse (int16_t *dst, const float *src, long len, long step);
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void ff_float_to_int16_step_sse2 (int16_t *dst, const float *src, long len, long step);
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void ff_float_to_int16_interleave2_3dnow(int16_t *dst, const float **src, long len);
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void ff_float_to_int16_interleave2_sse (int16_t *dst, const float **src, long len);
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void ff_float_to_int16_interleave2_sse2 (int16_t *dst, const float **src, long len);
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void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len);
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void ff_float_to_int16_interleave6_3dnow(int16_t *dst, const float **src, int len);
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void ff_float_to_int16_interleave6_3dnowext(int16_t *dst, const float **src, int len);
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#define ff_float_to_int16_interleave6_sse2 ff_float_to_int16_interleave6_sse
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#define FLOAT_TO_INT16_INTERLEAVE(cpu) \
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/* gcc pessimizes register allocation if this is in the same function as float_to_int16_interleave_sse2*/\
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static av_noinline void float_to_int16_interleave_misc_##cpu(int16_t *dst, const float **src, long len, int channels){\
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int c;\
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for(c=0; c<channels; c++){\
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ff_float_to_int16_step_##cpu(dst+c, src[c], len, channels);\
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}\
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}\
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\
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static void float_to_int16_interleave_##cpu(int16_t *dst, const float **src, long len, int channels){\
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if(channels==1)\
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ff_float_to_int16_##cpu(dst, src[0], len);\
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else if(channels==2){\
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ff_float_to_int16_interleave2_##cpu(dst, src, len);\
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}else if(channels==6){\
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ff_float_to_int16_interleave6_##cpu(dst, src, len);\
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}else\
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float_to_int16_interleave_misc_##cpu(dst, src, len, channels);\
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}
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FLOAT_TO_INT16_INTERLEAVE(3dnow)
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FLOAT_TO_INT16_INTERLEAVE(sse)
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FLOAT_TO_INT16_INTERLEAVE(sse2)
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static void float_to_int16_interleave_3dnowext(int16_t *dst, const float **src,
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long len, int channels)
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{
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if(channels==6)
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ff_float_to_int16_interleave6_3dnowext(dst, src, len);
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else
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float_to_int16_interleave_3dnow(dst, src, len, channels);
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}
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void ff_float_interleave2_mmx(float *dst, const float **src, unsigned int len);
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void ff_float_interleave2_sse(float *dst, const float **src, unsigned int len);
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void ff_float_interleave6_mmx(float *dst, const float **src, unsigned int len);
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void ff_float_interleave6_sse(float *dst, const float **src, unsigned int len);
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static void float_interleave_mmx(float *dst, const float **src,
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unsigned int len, int channels)
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{
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if (channels == 2) {
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ff_float_interleave2_mmx(dst, src, len);
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} else if (channels == 6)
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ff_float_interleave6_mmx(dst, src, len);
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else
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ff_float_interleave_c(dst, src, len, channels);
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}
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static void float_interleave_sse(float *dst, const float **src,
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unsigned int len, int channels)
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{
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if (channels == 2) {
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ff_float_interleave2_sse(dst, src, len);
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} else if (channels == 6)
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ff_float_interleave6_sse(dst, src, len);
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else
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ff_float_interleave_c(dst, src, len, channels);
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}
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#endif /* HAVE_YASM */
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void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx)
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{
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#if HAVE_YASM
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int mm_flags = av_get_cpu_flags();
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if (EXTERNAL_MMX(mm_flags)) {
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c->float_interleave = float_interleave_mmx;
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if (EXTERNAL_AMD3DNOW(mm_flags)) {
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if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
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c->float_to_int16 = ff_float_to_int16_3dnow;
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c->float_to_int16_interleave = float_to_int16_interleave_3dnow;
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}
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}
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if (EXTERNAL_AMD3DNOWEXT(mm_flags)) {
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if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
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c->float_to_int16_interleave = float_to_int16_interleave_3dnowext;
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}
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}
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if (EXTERNAL_SSE(mm_flags)) {
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c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse;
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c->float_to_int16 = ff_float_to_int16_sse;
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c->float_to_int16_interleave = float_to_int16_interleave_sse;
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c->float_interleave = float_interleave_sse;
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}
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if (EXTERNAL_SSE2(mm_flags)) {
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c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2;
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c->float_to_int16 = ff_float_to_int16_sse2;
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c->float_to_int16_interleave = float_to_int16_interleave_sse2;
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}
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}
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#endif /* HAVE_YASM */
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}
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