[FFmpeg-devel] [PATCH 6/7] Move away x86 specific code from rgb2rgb part 2

Luca Barbato lu_zero
Wed Jan 19 01:11:46 CET 2011


---
 libswscale/Makefile      |    3 +-
 libswscale/rgb2rgb.c     |   93 +---------------------------
 libswscale/x86/rgb2rgb.c |  150 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 156 insertions(+), 90 deletions(-)
 create mode 100644 libswscale/x86/rgb2rgb.c

diff --git a/libswscale/Makefile b/libswscale/Makefile
index 6046abc..629a92a 100644
--- a/libswscale/Makefile
+++ b/libswscale/Makefile
@@ -14,7 +14,8 @@ OBJS-$(ARCH_BFIN)          +=  bfin/internal_bfin.o     \
                                bfin/yuv2rgb_bfin.o
 OBJS-$(CONFIG_MLIB)        +=  mlib/yuv2rgb_mlib.o
 OBJS-$(HAVE_ALTIVEC)       +=  ppc/yuv2rgb_altivec.o
-OBJS-$(HAVE_MMX)           +=  x86/yuv2rgb_mmx.o
+OBJS-$(HAVE_MMX)           +=  x86/yuv2rgb_mmx.o \
+                               x86/rgb2rgb.o
 OBJS-$(HAVE_VIS)           +=  sparc/yuv2rgb_vis.o
 
 TESTPROGS = colorspace swscale
diff --git a/libswscale/rgb2rgb.c b/libswscale/rgb2rgb.c
index 7b0f060..72ec330 100644
--- a/libswscale/rgb2rgb.c
+++ b/libswscale/rgb2rgb.c
@@ -24,50 +24,11 @@
  */
 #include <inttypes.h>
 #include "config.h"
-#include "libavutil/x86_cpu.h"
 #include "libavutil/bswap.h"
 #include "rgb2rgb.h"
 #include "swscale.h"
 #include "swscale_internal.h"
 
-#if ARCH_X86
-DECLARE_ASM_CONST(8, uint64_t, mmx_ff)       = 0x00000000000000FFULL;
-DECLARE_ASM_CONST(8, uint64_t, mmx_null)     = 0x0000000000000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mmx_one)      = 0xFFFFFFFFFFFFFFFFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32b)      = 0x000000FF000000FFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32g)      = 0x0000FF000000FF00ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32r)      = 0x00FF000000FF0000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32a)      = 0xFF000000FF000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32)       = 0x00FFFFFF00FFFFFFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask3216br)   = 0x00F800F800F800F8ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask3216g)    = 0x0000FC000000FC00ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask3215g)    = 0x0000F8000000F800ULL;
-DECLARE_ASM_CONST(8, uint64_t, mul3216)      = 0x2000000420000004ULL;
-DECLARE_ASM_CONST(8, uint64_t, mul3215)      = 0x2000000820000008ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24b)      = 0x00FF0000FF0000FFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24g)      = 0xFF0000FF0000FF00ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24r)      = 0x0000FF0000FF0000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24l)      = 0x0000000000FFFFFFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24h)      = 0x0000FFFFFF000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24hh)     = 0xffff000000000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24hhh)    = 0xffffffff00000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24hhhh)   = 0xffffffffffff0000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask15b)      = 0x001F001F001F001FULL; /* 00000000 00011111  xxB */
-DECLARE_ASM_CONST(8, uint64_t, mask15rg)     = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000  RGx */
-DECLARE_ASM_CONST(8, uint64_t, mask15s)      = 0xFFE0FFE0FFE0FFE0ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask15g)      = 0x03E003E003E003E0ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask15r)      = 0x7C007C007C007C00ULL;
-#define mask16b mask15b
-DECLARE_ASM_CONST(8, uint64_t, mask16g)      = 0x07E007E007E007E0ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask16r)      = 0xF800F800F800F800ULL;
-DECLARE_ASM_CONST(8, uint64_t, red_16mask)   = 0x0000f8000000f800ULL;
-DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL;
-DECLARE_ASM_CONST(8, uint64_t, blue_16mask)  = 0x0000001f0000001fULL;
-DECLARE_ASM_CONST(8, uint64_t, red_15mask)   = 0x00007c0000007c00ULL;
-DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL;
-DECLARE_ASM_CONST(8, uint64_t, blue_15mask)  = 0x0000001f0000001fULL;
-#endif /* ARCH_X86 */
-
 #define RGB2YUV_SHIFT 8
 #define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
 #define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
@@ -79,49 +40,9 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask)  = 0x0000001f0000001fULL;
 #define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
 #define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
 
-//Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one.
 //plain C versions
 #include "rgb2rgb_template.c"
 
-#if ARCH_X86
-#define COMPILE_TEMPLATE_MMX 0
-#define COMPILE_TEMPLATE_MMX2 0
-#define COMPILE_TEMPLATE_AMD3DNOW 0
-#define COMPILE_TEMPLATE_SSE2 0
-
-//MMX versions
-#undef RENAME
-#undef COMPILE_TEMPLATE_MMX
-#define COMPILE_TEMPLATE_MMX 1
-#define RENAME(a) a ## _MMX
-#include "x86/rgb2rgb_template.c"
-
-//MMX2 versions
-#undef RENAME
-#undef COMPILE_TEMPLATE_MMX2
-#define COMPILE_TEMPLATE_MMX2 1
-#define RENAME(a) a ## _MMX2
-#include "x86/rgb2rgb_template.c"
-
-//SSE2 versions
-#undef RENAME
-#undef COMPILE_TEMPLATE_SSE2
-#define COMPILE_TEMPLATE_SSE2 1
-#define RENAME(a) a ## _SSE2
-#include "x86/rgb2rgb_template.c"
-
-//3DNOW versions
-#undef RENAME
-#undef COMPILE_TEMPLATE_MMX2
-#undef COMPILE_TEMPLATE_SSE2
-#undef COMPILE_TEMPLATE_AMD3DNOW
-#define COMPILE_TEMPLATE_MMX2 0
-#define COMPILE_TEMPLATE_SSE2 1
-#define COMPILE_TEMPLATE_AMD3DNOW 1
-#define RENAME(a) a ## _3DNOW
-#include "x86/rgb2rgb_template.c"
-
-#endif //ARCH_X86 || ARCH_X86_64
 
 /*
  RGB15->RGB16 original by Strepto/Astral
@@ -130,21 +51,15 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask)  = 0x0000001f0000001fULL;
  32-bit C version, and and&add trick by Michael Niedermayer
 */
 
+void rgb2rgb_init_x86();
+
 void sws_rgb2rgb_init(int flags)
 {
 
 #if HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX
-    if (flags & SWS_CPU_CAPS_SSE2)
-        rgb2rgb_init_SSE2();
-    else if (flags & SWS_CPU_CAPS_MMX2)
-        rgb2rgb_init_MMX2();
-    else if (flags & SWS_CPU_CAPS_3DNOW)
-        rgb2rgb_init_3DNOW();
-    else if (flags & SWS_CPU_CAPS_MMX)
-        rgb2rgb_init_MMX();
-    else
+    rgb2rgb_init_x86();
 #endif /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */
-        rgb2rgb_init_c();
+    rgb2rgb_init_c();
 }
 
 #if LIBSWSCALE_VERSION_MAJOR < 1
diff --git a/libswscale/x86/rgb2rgb.c b/libswscale/x86/rgb2rgb.c
new file mode 100644
index 0000000..d186f22
--- /dev/null
+++ b/libswscale/x86/rgb2rgb.c
@@ -0,0 +1,150 @@
+/*
+ * software RGB to RGB converter
+ * pluralize by software PAL8 to RGB converter
+ *              software YUV to YUV converter
+ *              software YUV to RGB converter
+ * Written by Nick Kurshev.
+ * palette & YUV & runtime CPU stuff by Michael (michaelni at gmx.at)
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <inttypes.h>
+#include "config.h"
+#include "libavutil/x86_cpu.h"
+#include "libavutil/bswap.h"
+#include "libswscale/rgb2rgb.h"
+#include "libswscale/swscale.h"
+#include "libswscale/swscale_internal.h"
+
+#if ARCH_X86
+DECLARE_ASM_CONST(8, uint64_t, mmx_ff)       = 0x00000000000000FFULL;
+DECLARE_ASM_CONST(8, uint64_t, mmx_null)     = 0x0000000000000000ULL;
+DECLARE_ASM_CONST(8, uint64_t, mmx_one)      = 0xFFFFFFFFFFFFFFFFULL;
+DECLARE_ASM_CONST(8, uint64_t, mask32b)      = 0x000000FF000000FFULL;
+DECLARE_ASM_CONST(8, uint64_t, mask32g)      = 0x0000FF000000FF00ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask32r)      = 0x00FF000000FF0000ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask32a)      = 0xFF000000FF000000ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask32)       = 0x00FFFFFF00FFFFFFULL;
+DECLARE_ASM_CONST(8, uint64_t, mask3216br)   = 0x00F800F800F800F8ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask3216g)    = 0x0000FC000000FC00ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask3215g)    = 0x0000F8000000F800ULL;
+DECLARE_ASM_CONST(8, uint64_t, mul3216)      = 0x2000000420000004ULL;
+DECLARE_ASM_CONST(8, uint64_t, mul3215)      = 0x2000000820000008ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask24b)      = 0x00FF0000FF0000FFULL;
+DECLARE_ASM_CONST(8, uint64_t, mask24g)      = 0xFF0000FF0000FF00ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask24r)      = 0x0000FF0000FF0000ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask24l)      = 0x0000000000FFFFFFULL;
+DECLARE_ASM_CONST(8, uint64_t, mask24h)      = 0x0000FFFFFF000000ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask24hh)     = 0xffff000000000000ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask24hhh)    = 0xffffffff00000000ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask24hhhh)   = 0xffffffffffff0000ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask15b)      = 0x001F001F001F001FULL; /* 00000000 00011111  xxB */
+DECLARE_ASM_CONST(8, uint64_t, mask15rg)     = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000  RGx */
+DECLARE_ASM_CONST(8, uint64_t, mask15s)      = 0xFFE0FFE0FFE0FFE0ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask15g)      = 0x03E003E003E003E0ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask15r)      = 0x7C007C007C007C00ULL;
+#define mask16b mask15b
+DECLARE_ASM_CONST(8, uint64_t, mask16g)      = 0x07E007E007E007E0ULL;
+DECLARE_ASM_CONST(8, uint64_t, mask16r)      = 0xF800F800F800F800ULL;
+DECLARE_ASM_CONST(8, uint64_t, red_16mask)   = 0x0000f8000000f800ULL;
+DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL;
+DECLARE_ASM_CONST(8, uint64_t, blue_16mask)  = 0x0000001f0000001fULL;
+DECLARE_ASM_CONST(8, uint64_t, red_15mask)   = 0x00007c0000007c00ULL;
+DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL;
+DECLARE_ASM_CONST(8, uint64_t, blue_15mask)  = 0x0000001f0000001fULL;
+#endif /* ARCH_X86 */
+
+#define RGB2YUV_SHIFT 8
+#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
+#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
+#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
+#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
+#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
+#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
+#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
+#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
+#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
+
+//Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one.
+
+#if ARCH_X86
+#define COMPILE_TEMPLATE_MMX 0
+#define COMPILE_TEMPLATE_MMX2 0
+#define COMPILE_TEMPLATE_AMD3DNOW 0
+#define COMPILE_TEMPLATE_SSE2 0
+
+//MMX versions
+#undef RENAME
+#undef COMPILE_TEMPLATE_MMX
+#define COMPILE_TEMPLATE_MMX 1
+#define RENAME(a) a ## _MMX
+#include "rgb2rgb_template.c"
+
+//MMX2 versions
+#undef RENAME
+#undef COMPILE_TEMPLATE_MMX2
+#define COMPILE_TEMPLATE_MMX2 1
+#define RENAME(a) a ## _MMX2
+#include "rgb2rgb_template.c"
+
+//SSE2 versions
+#undef RENAME
+#undef COMPILE_TEMPLATE_SSE2
+#define COMPILE_TEMPLATE_SSE2 1
+#define RENAME(a) a ## _SSE2
+#include "rgb2rgb_template.c"
+
+//3DNOW versions
+#undef RENAME
+#undef COMPILE_TEMPLATE_MMX2
+#undef COMPILE_TEMPLATE_SSE2
+#undef COMPILE_TEMPLATE_AMD3DNOW
+#define COMPILE_TEMPLATE_MMX2 0
+#define COMPILE_TEMPLATE_SSE2 1
+#define COMPILE_TEMPLATE_AMD3DNOW 1
+#define RENAME(a) a ## _3DNOW
+#include "rgb2rgb_template.c"
+
+#endif //ARCH_X86 || ARCH_X86_64
+
+/*
+ RGB15->RGB16 original by Strepto/Astral
+ ported to gcc & bugfixed : A'rpi
+ MMX2, 3DNOW optimization by Nick Kurshev
+ 32-bit C version, and and&add trick by Michael Niedermayer
+*/
+
+void rgb2rgb_init_c();
+
+void sws_rgb2rgb_init_x86(int flags);
+
+void sws_rgb2rgb_init_x86(int flags)
+{
+
+#if HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX
+    if (flags & SWS_CPU_CAPS_SSE2)
+        rgb2rgb_init_SSE2();
+    else if (flags & SWS_CPU_CAPS_MMX2)
+        rgb2rgb_init_MMX2();
+    else if (flags & SWS_CPU_CAPS_3DNOW)
+        rgb2rgb_init_3DNOW();
+    else if (flags & SWS_CPU_CAPS_MMX)
+        rgb2rgb_init_MMX();
+    else
+#endif /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */
+        rgb2rgb_init_c();
+}
-- 
1.7.2.2




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