X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmodules%2Fdecklink%2Fcommon.cpp;h=144bc9f50b0e7035fc0f5ca6bc95c6e0000db6e8;hb=11ceb3a29fd27c05bfac2b05463eff1790309a81;hp=84ef72fb8aa41ac47a9f5c501dc2a5dbf9ecb579;hpb=b39198884603dd87583b21c840eb595dcaf3708c;p=mlt

diff --git a/src/modules/decklink/common.cpp b/src/modules/decklink/common.cpp
index 84ef72fb..144bc9f5 100644
--- a/src/modules/decklink/common.cpp
+++ b/src/modules/decklink/common.cpp
@@ -19,6 +19,7 @@
 
 #include "common.h"
 #include <stdlib.h>
+#include <unistd.h>
 
 #ifdef __DARWIN__
 
@@ -39,6 +40,38 @@ void freeDLString( DLString aDLString )
 	if ( aDLString ) CFRelease( aDLString );
 }
 
+#elif defined(WIN32)
+
+char* getCString( DLString aDLString )
+{
+	char* CString = NULL;
+	if ( aDLString )
+	{
+		int size = WideCharToMultiByte( CP_UTF8, 0, aDLString, -1, NULL, 0, NULL, NULL );
+		if (size)
+		{
+			CString = new char[ size ];
+			size = WideCharToMultiByte( CP_UTF8, 0, aDLString, -1, CString, size, NULL, NULL );
+			if ( !size )
+			{
+				delete[] CString;
+				CString = NULL;
+			}
+		}
+	}
+	return CString;
+}
+
+void freeCString( char* aCString )
+{
+	delete[] aCString;
+}
+
+void freeDLString( DLString aDLString )
+{
+	if ( aDLString ) free( (void*) aDLString );
+}
+
 #else
 
 char* getCString( DLString aDLString )
@@ -57,3 +90,46 @@ void freeDLString( DLString aDLString )
 
 #endif
 
+
+void swab2( const void *from, void *to, int n )
+{
+#if defined(USE_SSE)
+#define SWAB_STEP 16
+	__asm__ volatile
+	(
+		"loop_start:                            \n\t"
+
+		/* load */
+		"movdqa         0(%[from]), %%xmm0      \n\t"
+		"add            $0x10, %[from]          \n\t"
+
+		/* duplicate to temp registers */
+		"movdqa         %%xmm0, %%xmm1          \n\t"
+
+		/* shift right temp register */
+		"psrlw          $8, %%xmm1              \n\t"
+
+		/* shift left main register */
+		"psllw          $8, %%xmm0              \n\t"
+
+		/* compose them back */
+		"por           %%xmm0, %%xmm1           \n\t"
+
+		/* save */
+		"movdqa         %%xmm1, 0(%[to])        \n\t"
+		"add            $0x10, %[to]            \n\t"
+
+		"dec            %[cnt]                  \n\t"
+		"jnz            loop_start              \n\t"
+
+		:
+		: [from]"r"(from), [to]"r"(to), [cnt]"r"(n / SWAB_STEP)
+		//: "xmm0", "xmm1"
+	);
+
+	from = (unsigned char*) from + n - (n % SWAB_STEP);
+	to = (unsigned char*) to + n - (n % SWAB_STEP);
+	n = (n % SWAB_STEP);
+#endif
+	swab((char*) from, (char*) to, n);
+};