* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
+ * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
+ *
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
*/
+#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/fmtconvert.h"
-#include "libavcodec/dsputil.h"
#if HAVE_YASM
-void ff_int32_to_float_fmul_scalar_sse (float *dst, const int *src, float mul, int len);
-void ff_int32_to_float_fmul_scalar_sse2(float *dst, const int *src, float mul, int len);
-
-void ff_float_to_int16_3dnow(int16_t *dst, const float *src, long len);
-void ff_float_to_int16_sse (int16_t *dst, const float *src, long len);
-void ff_float_to_int16_sse2 (int16_t *dst, const float *src, long len);
-
-void ff_float_to_int16_step_3dnow(int16_t *dst, const float *src, long len, long step);
-void ff_float_to_int16_step_sse (int16_t *dst, const float *src, long len, long step);
-void ff_float_to_int16_step_sse2 (int16_t *dst, const float *src, long len, long step);
-
-void ff_float_to_int16_interleave2_3dnow(int16_t *dst, const float **src, long len);
-void ff_float_to_int16_interleave2_sse (int16_t *dst, const float **src, long len);
-void ff_float_to_int16_interleave2_sse2 (int16_t *dst, const float **src, long len);
-
-void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len);
-void ff_float_to_int16_interleave6_3dnow(int16_t *dst, const float **src, int len);
-void ff_float_to_int16_interleave6_3dnowext(int16_t *dst, const float **src, int len);
-
-#define ff_float_to_int16_interleave6_sse2 ff_float_to_int16_interleave6_sse
-
-#define FLOAT_TO_INT16_INTERLEAVE(cpu) \
-/* gcc pessimizes register allocation if this is in the same function as float_to_int16_interleave_sse2*/\
-static av_noinline void float_to_int16_interleave_misc_##cpu(int16_t *dst, const float **src, long len, int channels){\
- int c;\
- for(c=0; c<channels; c++){\
- ff_float_to_int16_step_##cpu(dst+c, src[c], len, channels);\
- }\
-}\
-\
-static void float_to_int16_interleave_##cpu(int16_t *dst, const float **src, long len, int channels){\
- if(channels==1)\
- ff_float_to_int16_##cpu(dst, src[0], len);\
- else if(channels==2){\
- ff_float_to_int16_interleave2_##cpu(dst, src, len);\
- }else if(channels==6){\
- ff_float_to_int16_interleave6_##cpu(dst, src, len);\
- }else\
- float_to_int16_interleave_misc_##cpu(dst, src, len, channels);\
-}
-
-FLOAT_TO_INT16_INTERLEAVE(3dnow)
-FLOAT_TO_INT16_INTERLEAVE(sse)
-FLOAT_TO_INT16_INTERLEAVE(sse2)
+void ff_int32_to_float_fmul_scalar_sse (float *dst, const int32_t *src, float mul, int len);
+void ff_int32_to_float_fmul_scalar_sse2(float *dst, const int32_t *src, float mul, int len);
-static void float_to_int16_interleave_3dnowext(int16_t *dst, const float **src,
- long len, int channels)
-{
- if(channels==6)
- ff_float_to_int16_interleave6_3dnowext(dst, src, len);
- else
- float_to_int16_interleave_3dnow(dst, src, len, channels);
-}
-
-void ff_float_interleave2_mmx(float *dst, const float **src, unsigned int len);
-void ff_float_interleave2_sse(float *dst, const float **src, unsigned int len);
-
-void ff_float_interleave6_mmx(float *dst, const float **src, unsigned int len);
-void ff_float_interleave6_sse(float *dst, const float **src, unsigned int len);
-
-static void float_interleave_mmx(float *dst, const float **src,
- unsigned int len, int channels)
-{
- if (channels == 2) {
- ff_float_interleave2_mmx(dst, src, len);
- } else if (channels == 6)
- ff_float_interleave6_mmx(dst, src, len);
- else
- ff_float_interleave_c(dst, src, len, channels);
-}
-
-static void float_interleave_sse(float *dst, const float **src,
- unsigned int len, int channels)
-{
- if (channels == 2) {
- ff_float_interleave2_sse(dst, src, len);
- } else if (channels == 6)
- ff_float_interleave6_sse(dst, src, len);
- else
- ff_float_interleave_c(dst, src, len, channels);
-}
#endif /* HAVE_YASM */
-void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx)
+av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx)
{
#if HAVE_YASM
- int mm_flags = av_get_cpu_flags();
-
- if (EXTERNAL_MMX(mm_flags)) {
- c->float_interleave = float_interleave_mmx;
+ int cpu_flags = av_get_cpu_flags();
- if (EXTERNAL_AMD3DNOW(mm_flags)) {
- if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
- c->float_to_int16 = ff_float_to_int16_3dnow;
- c->float_to_int16_interleave = float_to_int16_interleave_3dnow;
- }
- }
- if (EXTERNAL_AMD3DNOWEXT(mm_flags)) {
- if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
- c->float_to_int16_interleave = float_to_int16_interleave_3dnowext;
- }
- }
- if (EXTERNAL_SSE(mm_flags)) {
- c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse;
- c->float_to_int16 = ff_float_to_int16_sse;
- c->float_to_int16_interleave = float_to_int16_interleave_sse;
- c->float_interleave = float_interleave_sse;
- }
- if (EXTERNAL_SSE2(mm_flags)) {
- c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2;
- c->float_to_int16 = ff_float_to_int16_sse2;
- c->float_to_int16_interleave = float_to_int16_interleave_sse2;
- }
+ if (EXTERNAL_SSE(cpu_flags)) {
+ c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse;
+ }
+ if (EXTERNAL_SSE2(cpu_flags)) {
+ c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2;
}
#endif /* HAVE_YASM */
}
projects / ffmpeg / blobdiff