mirror of
https://github.com/FFmpeg/FFmpeg.git
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runtime cpu detection
Originally committed as revision 3144 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer
parent
48a05ceccd
commit
43d8c23cbf
@ -6,10 +6,6 @@ LIBNAME = libpostproc.a
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SRCS=postprocess.c swscale.c rgb2rgb.c yuv2rgb.c
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OBJS=$(SRCS:.c=.o)
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ifeq ($(TARGET_ARCH_X86),yes)
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SRCS += yuv2rgb_mmx.c
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endif
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CFLAGS = $(OPTFLAGS) $(MLIB_INC) -I. -I.. -Wall $(EXTRA_INC)
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# -I/usr/X11R6/include/
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@ -25,6 +25,7 @@
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* MMX/MMX2 Template stuff from Michael Niedermayer (michaelni@gmx.at) (needed for fast movntq support)
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*/
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#include <stdio.h>
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@ -34,12 +35,77 @@
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#include "config.h"
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//#include "video_out.h"
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#include "rgb2rgb.h"
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#include "../cpudetect.h"
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#ifdef HAVE_MLIB
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#include "yuv2rgb_mlib.c"
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#endif
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extern yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode);
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#define DITHER1XBPP // only for mmx
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#ifdef ARCH_X86
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#define CAN_COMPILE_X86_ASM
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#endif
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#ifdef CAN_COMPILE_X86_ASM
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/* hope these constant values are cache line aligned */
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uint64_t __attribute__((aligned(8))) mmx_80w = 0x0080008000800080;
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uint64_t __attribute__((aligned(8))) mmx_10w = 0x1010101010101010;
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uint64_t __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ff;
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uint64_t __attribute__((aligned(8))) mmx_Y_coeff = 0x253f253f253f253f;
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/* hope these constant values are cache line aligned */
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uint64_t __attribute__((aligned(8))) mmx_U_green = 0xf37df37df37df37d;
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uint64_t __attribute__((aligned(8))) mmx_U_blue = 0x4093409340934093;
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uint64_t __attribute__((aligned(8))) mmx_V_red = 0x3312331233123312;
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uint64_t __attribute__((aligned(8))) mmx_V_green = 0xe5fce5fce5fce5fc;
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/* hope these constant values are cache line aligned */
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uint64_t __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8;
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uint64_t __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfc;
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uint64_t __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL;
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uint64_t __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL;
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uint64_t __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL;
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// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
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// are read in the asm block
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volatile uint64_t __attribute__((aligned(8))) b5Dither;
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volatile uint64_t __attribute__((aligned(8))) g5Dither;
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volatile uint64_t __attribute__((aligned(8))) g6Dither;
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volatile uint64_t __attribute__((aligned(8))) r5Dither;
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uint64_t __attribute__((aligned(8))) dither4[2]={
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0x0103010301030103LL,
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0x0200020002000200LL,};
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uint64_t __attribute__((aligned(8))) dither8[2]={
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0x0602060206020602LL,
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0x0004000400040004LL,};
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#undef HAVE_MMX
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#undef ARCH_X86
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//MMX versions
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#undef RENAME
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#define HAVE_MMX
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#undef HAVE_MMX2
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#undef HAVE_3DNOW
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#define ARCH_X86
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#define RENAME(a) a ## _MMX
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#include "yuv2rgb_template.c"
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//MMX2 versions
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#undef RENAME
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#define HAVE_MMX
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#define HAVE_MMX2
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#undef HAVE_3DNOW
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#define ARCH_X86
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#define RENAME(a) a ## _MMX2
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#include "yuv2rgb_template.c"
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#endif // CAN_COMPILE_X86_ASM
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uint32_t matrix_coefficients = 6;
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@ -63,10 +129,10 @@ static void (* yuv2rgb_c_internal) (uint8_t *, uint8_t *,
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uint8_t *, uint8_t *,
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void *, void *, int);
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static void yuv2rgb_c (void * dst, uint8_t * py,
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uint8_t * pu, uint8_t * pv,
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int h_size, int v_size,
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int rgb_stride, int y_stride, int uv_stride)
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static void yuv2rgb_c (void * dst, uint8_t * py,
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uint8_t * pu, uint8_t * pv,
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int h_size, int v_size,
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int rgb_stride, int y_stride, int uv_stride)
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{
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v_size >>= 1;
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@ -81,16 +147,29 @@ static void yuv2rgb_c (void * dst, uint8_t * py,
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}
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}
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void yuv2rgb_init (int bpp, int mode)
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void yuv2rgb_init (int bpp, int mode)
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{
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yuv2rgb = NULL;
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#ifdef HAVE_MMX
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if (yuv2rgb == NULL /*&& (config.flags & VO_MMX_ENABLE)*/) {
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yuv2rgb = yuv2rgb_init_mmx (bpp, mode);
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if (yuv2rgb != NULL)
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printf ("Using MMX for colorspace transform\n");
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else
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printf ("Cannot init MMX colorspace transform\n");
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#ifdef CAN_COMPILE_X86_ASM
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if(gCpuCaps.hasMMX2)
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{
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if (yuv2rgb == NULL /*&& (config.flags & VO_MMX_ENABLE)*/) {
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yuv2rgb = yuv2rgb_init_MMX2 (bpp, mode);
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if (yuv2rgb != NULL)
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printf ("Using MMX2 for colorspace transform\n");
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else
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printf ("Cannot init MMX2 colorspace transform\n");
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}
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}
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else if(gCpuCaps.hasMMX)
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{
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if (yuv2rgb == NULL /*&& (config.flags & VO_MMX_ENABLE)*/) {
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yuv2rgb = yuv2rgb_init_MMX (bpp, mode);
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if (yuv2rgb != NULL)
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printf ("Using MMX for colorspace transform\n");
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else
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printf ("Cannot init MMX colorspace transform\n");
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}
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}
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#endif
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#ifdef HAVE_MLIB
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@ -24,58 +24,27 @@
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* 15,24 bpp and dithering from Michael Niedermayer (michaelni@gmx.at)
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* MMX/MMX2 Template stuff from Michael Niedermayer (needed for fast movntq support)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "../config.h"
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//#include "libmpeg2/mpeg2.h"
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//#include "libmpeg2/mpeg2_internal.h"
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#include <inttypes.h>
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#include "rgb2rgb.h"
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#include "../mmx_defs.h"
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#define DITHER1XBPP
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/* hope these constant values are cache line aligned */
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uint64_t __attribute__((aligned(8))) mmx_80w = 0x0080008000800080;
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uint64_t __attribute__((aligned(8))) mmx_10w = 0x1010101010101010;
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uint64_t __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ff;
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uint64_t __attribute__((aligned(8))) mmx_Y_coeff = 0x253f253f253f253f;
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/* hope these constant values are cache line aligned */
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uint64_t __attribute__((aligned(8))) mmx_U_green = 0xf37df37df37df37d;
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uint64_t __attribute__((aligned(8))) mmx_U_blue = 0x4093409340934093;
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uint64_t __attribute__((aligned(8))) mmx_V_red = 0x3312331233123312;
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uint64_t __attribute__((aligned(8))) mmx_V_green = 0xe5fce5fce5fce5fc;
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/* hope these constant values are cache line aligned */
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uint64_t __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8;
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uint64_t __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfc;
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uint64_t __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL;
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uint64_t __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL;
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uint64_t __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL;
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// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
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// are read in the asm block
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volatile uint64_t __attribute__((aligned(8))) b5Dither;
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volatile uint64_t __attribute__((aligned(8))) g5Dither;
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volatile uint64_t __attribute__((aligned(8))) g6Dither;
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volatile uint64_t __attribute__((aligned(8))) r5Dither;
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uint64_t __attribute__((aligned(8))) dither4[2]={
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0x0103010301030103LL,
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0x0200020002000200LL,};
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uint64_t __attribute__((aligned(8))) dither8[2]={
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0x0602060206020602LL,
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0x0004000400040004LL,};
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#undef MOVNTQ
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#undef EMMS
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#undef SFENCE
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#ifdef HAVE_3DNOW
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/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
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#define EMMS "femms"
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#else
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#define EMMS "emms"
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#endif
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#ifdef HAVE_MMX2
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#define MOVNTQ "movntq"
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#define SFENCE "sfence"
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#else
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#define MOVNTQ "movq"
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#define SFENCE "/nop"
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#endif
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#define YUV2RGB \
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/* Do the multiply part of the conversion for even and odd pixels,
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@ -152,7 +121,7 @@ uint64_t __attribute__((aligned(8))) dither8[2]={
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"punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */\
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static void yuv420_rgb16_mmx (uint8_t * image, uint8_t * py,
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static inline void RENAME(yuv420_rgb16) (uint8_t * image, uint8_t * py,
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uint8_t * pu, uint8_t * pv,
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int h_size, int v_size,
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int rgb_stride, int y_stride, int uv_stride)
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@ -253,7 +222,7 @@ YUV2RGB
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__asm__ __volatile__ (EMMS);
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}
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static void yuv420_rgb15_mmx (uint8_t * image, uint8_t * py,
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static inline void RENAME(yuv420_rgb15) (uint8_t * image, uint8_t * py,
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uint8_t * pu, uint8_t * pv,
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int h_size, int v_size,
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int rgb_stride, int y_stride, int uv_stride)
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@ -350,7 +319,7 @@ YUV2RGB
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__asm__ __volatile__ (EMMS);
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}
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static void yuv420_rgb24_mmx (uint8_t * image, uint8_t * py,
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static inline void RENAME(yuv420_rgb24) (uint8_t * image, uint8_t * py,
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uint8_t * pu, uint8_t * pv,
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int h_size, int v_size,
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int rgb_stride, int y_stride, int uv_stride)
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@ -505,7 +474,7 @@ YUV2RGB
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}
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static void yuv420_argb32_mmx (uint8_t * image, uint8_t * py,
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static inline void RENAME(yuv420_argb32) (uint8_t * image, uint8_t * py,
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uint8_t * pu, uint8_t * pv,
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int h_size, int v_size,
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int rgb_stride, int y_stride, int uv_stride)
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@ -599,12 +568,12 @@ YUV2RGB
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__asm__ __volatile__ (EMMS);
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}
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yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode)
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yuv2rgb_fun RENAME(yuv2rgb_init) (int bpp, int mode)
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{
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if (bpp == 15 && mode == MODE_RGB) return yuv420_rgb15_mmx;
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if (bpp == 16 && mode == MODE_RGB) return yuv420_rgb16_mmx;
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if (bpp == 24 && mode == MODE_RGB) return yuv420_rgb24_mmx;
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if (bpp == 32 && mode == MODE_RGB) return yuv420_argb32_mmx;
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if (bpp == 15 && mode == MODE_RGB) return RENAME(yuv420_rgb15);
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if (bpp == 16 && mode == MODE_RGB) return RENAME(yuv420_rgb16);
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if (bpp == 24 && mode == MODE_RGB) return RENAME(yuv420_rgb24);
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if (bpp == 32 && mode == MODE_RGB) return RENAME(yuv420_argb32);
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return NULL; // Fallback to C.
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}
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