diff -uar ffmpeg-r22221.orig/libavcodec/dsputil.h ffmpeg-r22221/libavcodec/dsputil.h
--- ffmpeg-r22221.orig/libavcodec/dsputil.h	2010-03-05 17:25:30.000000000 +0100
+++ ffmpeg-r22221/libavcodec/dsputil.h	2010-03-08 20:48:47.000000000 +0100
@@ -771,12 +771,16 @@
 #define SINETABLE_CONST
 #endif
 
+#ifndef _ATTR_HIDDEN
+#define _ATTR_HIDDEN __attribute__((visibility("hidden")))
+#endif
+
 #define COSTABLE(size) \
-    COSTABLE_CONST DECLARE_ALIGNED_16(FFTSample, ff_cos_##size)[size/2]
+    COSTABLE_CONST DECLARE_ALIGNED_16(FFTSample, _ATTR_HIDDEN ff_cos_##size)[size/2]
 #define SINTABLE(size) \
-    SINTABLE_CONST DECLARE_ALIGNED_16(FFTSample, ff_sin_##size)[size/2]
+    SINTABLE_CONST DECLARE_ALIGNED_16(FFTSample, _ATTR_HIDDEN ff_sin_##size)[size/2]
 #define SINETABLE(size) \
-    SINETABLE_CONST DECLARE_ALIGNED_16(float, ff_sine_##size)[size]
+    SINETABLE_CONST DECLARE_ALIGNED_16(float, _ATTR_HIDDEN ff_sine_##size)[size]
 extern COSTABLE(16);
 extern COSTABLE(32);
 extern COSTABLE(64);
diff -uar ffmpeg-r22221.orig/libavcodec/x86/dsputil_mmx.h ffmpeg-r22221/libavcodec/x86/dsputil_mmx.h
--- ffmpeg-r22221.orig/libavcodec/x86/dsputil_mmx.h	2010-03-05 17:25:27.000000000 +0100
+++ ffmpeg-r22221/libavcodec/x86/dsputil_mmx.h	2010-03-08 20:45:24.000000000 +0100
@@ -25,39 +25,43 @@
 #include <stdint.h>
 #include "libavcodec/dsputil.h"
 
+#ifndef _ATTR_HIDDEN
+#define _ATTR_HIDDEN __attribute__((visibility("hidden")))
+#endif
+
 typedef struct { uint64_t a, b; } xmm_reg;
 
-extern const uint64_t ff_bone;
-extern const uint64_t ff_wtwo;
+extern const uint64_t _ATTR_HIDDEN ff_bone;
+extern const uint64_t _ATTR_HIDDEN ff_wtwo;
 
-extern const uint64_t ff_pdw_80000000[2];
+extern const uint64_t _ATTR_HIDDEN ff_pdw_80000000[2];
 
-extern const uint64_t ff_pw_3;
-extern const uint64_t ff_pw_4;
-extern const xmm_reg  ff_pw_5;
-extern const xmm_reg  ff_pw_8;
-extern const uint64_t ff_pw_15;
-extern const xmm_reg  ff_pw_16;
-extern const uint64_t ff_pw_20;
-extern const xmm_reg  ff_pw_28;
-extern const xmm_reg  ff_pw_32;
-extern const uint64_t ff_pw_42;
-extern const xmm_reg  ff_pw_64;
-extern const uint64_t ff_pw_96;
-extern const uint64_t ff_pw_128;
-extern const uint64_t ff_pw_255;
-
-extern const uint64_t ff_pb_1;
-extern const uint64_t ff_pb_3;
-extern const uint64_t ff_pb_7;
-extern const uint64_t ff_pb_1F;
-extern const uint64_t ff_pb_3F;
-extern const uint64_t ff_pb_81;
-extern const uint64_t ff_pb_A1;
-extern const uint64_t ff_pb_FC;
+extern const uint64_t _ATTR_HIDDEN ff_pw_3;
+extern const uint64_t _ATTR_HIDDEN ff_pw_4;
+extern const xmm_reg  _ATTR_HIDDEN ff_pw_5;
+extern const xmm_reg  _ATTR_HIDDEN ff_pw_8;
+extern const uint64_t _ATTR_HIDDEN ff_pw_15;
+extern const xmm_reg  _ATTR_HIDDEN ff_pw_16;
+extern const uint64_t _ATTR_HIDDEN ff_pw_20;
+extern const xmm_reg  _ATTR_HIDDEN ff_pw_28;
+extern const xmm_reg  _ATTR_HIDDEN ff_pw_32;
+extern const uint64_t _ATTR_HIDDEN ff_pw_42;
+extern const xmm_reg  _ATTR_HIDDEN ff_pw_64;
+extern const uint64_t _ATTR_HIDDEN ff_pw_96;
+extern const uint64_t _ATTR_HIDDEN ff_pw_128;
+extern const uint64_t _ATTR_HIDDEN ff_pw_255;
+
+extern const uint64_t _ATTR_HIDDEN ff_pb_1;
+extern const uint64_t _ATTR_HIDDEN ff_pb_3;
+extern const uint64_t _ATTR_HIDDEN ff_pb_7;
+extern const uint64_t _ATTR_HIDDEN ff_pb_1F;
+extern const uint64_t _ATTR_HIDDEN ff_pb_3F;
+extern const uint64_t _ATTR_HIDDEN ff_pb_81;
+extern const uint64_t _ATTR_HIDDEN ff_pb_A1;
+extern const uint64_t _ATTR_HIDDEN ff_pb_FC;
 
-extern const double ff_pd_1[2];
-extern const double ff_pd_2[2];
+extern const double _ATTR_HIDDEN ff_pd_1[2];
+extern const double _ATTR_HIDDEN ff_pd_2[2];
 
 #define LOAD4(stride,in,a,b,c,d)\
     "movq 0*"#stride"+"#in", "#a"\n\t"\
diff -uar ffmpeg-r22221.orig/libavcodec/x86/vc1dsp_mmx.c ffmpeg-r22221/libavcodec/x86/vc1dsp_mmx.c
--- ffmpeg-r22221.orig/libavcodec/x86/vc1dsp_mmx.c	2010-03-05 17:25:27.000000000 +0100
+++ ffmpeg-r22221/libavcodec/x86/vc1dsp_mmx.c	2010-03-08 20:45:24.000000000 +0100
@@ -73,7 +73,10 @@
     "movq      %%mm"#R1", "#OFF"(%1)   \n\t"    \
     "add       %2, %0                  \n\t"
 
-DECLARE_ALIGNED_16(const uint64_t, ff_pw_9) = 0x0009000900090009ULL;
+#ifndef _ATTR_HIDDEN
+#define _ATTR_HIDDEN __attribute__((visibility("hidden")))
+#endif
+DECLARE_ALIGNED_16(const uint64_t, _ATTR_HIDDEN ff_pw_9) = 0x0009000900090009ULL;
 
 /** Sacrifying mm6 allows to pipeline loads from src */
 static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,
diff -uar ffmpeg-r22221.orig/libswscale/swscale.c ffmpeg-r22221/libswscale/swscale.c
--- ffmpeg-r22221.orig/libswscale/swscale.c	2010-03-05 17:25:34.000000000 +0100
+++ ffmpeg-r22221/libswscale/swscale.c	2010-03-08 20:45:24.000000000 +0100
@@ -131,6 +131,10 @@
 write special BGR->BGR scaler
 */
 
+#ifndef _ATTR_HIDDEN
+#define _ATTR_HIDDEN __attribute__((visibility("hidden")))
+#endif
+
 #if ARCH_X86 && CONFIG_GPL
 DECLARE_ASM_CONST(8, uint64_t, bF8)=       0xF8F8F8F8F8F8F8F8LL;
 DECLARE_ASM_CONST(8, uint64_t, bFC)=       0xFCFCFCFCFCFCFCFCLL;
@@ -156,22 +160,22 @@
 DECLARE_ASM_CONST(8, uint64_t, g15Mask)=   0x03E003E003E003E0LL;
 DECLARE_ASM_CONST(8, uint64_t, r15Mask)=   0x7C007C007C007C00LL;
 
-DECLARE_ALIGNED(8, const uint64_t, ff_M24A)         = 0x00FF0000FF0000FFLL;
-DECLARE_ALIGNED(8, const uint64_t, ff_M24B)         = 0xFF0000FF0000FF00LL;
-DECLARE_ALIGNED(8, const uint64_t, ff_M24C)         = 0x0000FF0000FF0000LL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_M24A)         = 0x00FF0000FF0000FFLL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_M24B)         = 0xFF0000FF0000FF00LL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_M24C)         = 0x0000FF0000FF0000LL;
 
 #ifdef FAST_BGR2YV12
-DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff)   = 0x000000210041000DULL;
-DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff)   = 0x0000FFEEFFDC0038ULL;
-DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff)   = 0x00000038FFD2FFF8ULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_bgr2YCoeff)   = 0x000000210041000DULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_bgr2UCoeff)   = 0x0000FFEEFFDC0038ULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_bgr2VCoeff)   = 0x00000038FFD2FFF8ULL;
 #else
-DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff)   = 0x000020E540830C8BULL;
-DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff)   = 0x0000ED0FDAC23831ULL;
-DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff)   = 0x00003831D0E6F6EAULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_bgr2YCoeff)   = 0x000020E540830C8BULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_bgr2UCoeff)   = 0x0000ED0FDAC23831ULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_bgr2VCoeff)   = 0x00003831D0E6F6EAULL;
 #endif /* FAST_BGR2YV12 */
-DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset)  = 0x1010101010101010ULL;
-DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
-DECLARE_ALIGNED(8, const uint64_t, ff_w1111)        = 0x0001000100010001ULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_bgr2YOffset)  = 0x1010101010101010ULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_bgr2UVOffset) = 0x8080808080808080ULL;
+DECLARE_ALIGNED(8, const uint64_t, _ATTR_HIDDEN ff_w1111)        = 0x0001000100010001ULL;
 
 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL;
 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL;