diff --git a/FFmpegSource2/ffswscale.cpp b/FFmpegSource2/ffswscale.cpp
index c3334bb59..10e5e2344 100644
--- a/FFmpegSource2/ffswscale.cpp
+++ b/FFmpegSource2/ffswscale.cpp
@@ -21,6 +21,46 @@
 #include "ffswscale.h"
 #include "utils.h"
 
+int CSNameToPIXFMT(const char * ACSName, int ADefault) {
+	if (!_stricmp(ACSName, ""))
+		return ADefault;
+	if (!_stricmp(ACSName, "YV12"))
+		return PIX_FMT_YUV420P;
+	if (!_stricmp(ACSName, "YUY2"))
+		return PIX_FMT_YUYV422;
+	if (!_stricmp(ACSName, "RGB24"))
+		return PIX_FMT_BGR24;
+	if (!_stricmp(ACSName, "RGB32"))
+		return PIX_FMT_RGB32;
+	return PIX_FMT_NONE;
+}
+
+int ResizerNameToSWSResizer(const char *AResizerName) {
+	if (!_stricmp(AResizerName, "FAST_BILINEAR"))
+		return SWS_FAST_BILINEAR;
+	if (!_stricmp(AResizerName, "BILINEAR"))
+		return SWS_BILINEAR;
+	if (!_stricmp(AResizerName, "BICUBIC"))
+		return SWS_BICUBIC;
+	if (!_stricmp(AResizerName, "X"))
+		return SWS_X;
+	if (!_stricmp(AResizerName, "POINT"))
+		return SWS_POINT;
+	if (!_stricmp(AResizerName, "AREA"))
+		return SWS_AREA;
+	if (!_stricmp(AResizerName, "BICUBLIN"))
+		return SWS_BICUBLIN;
+	if (!_stricmp(AResizerName, "GAUSS"))
+		return SWS_GAUSS;
+	if (!_stricmp(AResizerName, "SINC"))
+		return SWS_SINC;
+	if (!_stricmp(AResizerName, "LANCZOS"))
+		return SWS_LANCZOS;
+	if (!_stricmp(AResizerName, "SPLINE"))
+		return SWS_SPLINE;
+	return 0;
+}
+
 SWScale::SWScale(PClip Child, int ResizeToWidth, int ResizeToHeight, const char *ResizerName, const char *ConvertToFormatName, IScriptEnvironment *Env) : GenericVideoFilter(Child) {
 	Context = NULL;
 	OrigWidth = vi.width;
diff --git a/FFmpegSource2/indexing.cpp b/FFmpegSource2/indexing.cpp
index 14af03a14..aba8641fb 100644
--- a/FFmpegSource2/indexing.cpp
+++ b/FFmpegSource2/indexing.cpp
@@ -27,6 +27,11 @@
 #include "indexing.h"
 #include "wave64writer.h"
 
+#ifndef WIN32
+#	define _ftelli64 ftello
+#	define _fseeki64 fseeko
+#endif
+
 class AudioContext {
 public:
 	Wave64Writer *W64W;
diff --git a/FFmpegSource2/stdiostream.c b/FFmpegSource2/stdiostream.c
index 68c2f2f73..f1966b30a 100644
--- a/FFmpegSource2/stdiostream.c
+++ b/FFmpegSource2/stdiostream.c
@@ -20,6 +20,11 @@
 
 #include "stdiostream.h"
 
+#ifndef WIN32
+#	define _ftelli64 ftello
+#	define _fseeki64 fseeko
+#endif
+
 /* StdIoStream methods */
 
 /* read count bytes into buffer starting at file position pos
diff --git a/FFmpegSource2/utils.cpp b/FFmpegSource2/utils.cpp
index 2e1ed0307..3c382db06 100644
--- a/FFmpegSource2/utils.cpp
+++ b/FFmpegSource2/utils.cpp
@@ -22,6 +22,11 @@
 #include <string.h>
 #include <intrin.h>
 
+#ifndef WIN32
+#	define _ftelli64 ftello
+#	define _fseeki64 fseeko
+#endif
+
 int GetCPUFlags() {
 	int CPUInfo[4];
 	__cpuid(CPUInfo, 0);
@@ -37,46 +42,6 @@ int GetCPUFlags() {
 	return Flags;
 }
 
-int CSNameToPIXFMT(const char * ACSName, int ADefault) {
-	if (!_strcmpi(ACSName, ""))
-		return ADefault;
-	if (!_strcmpi(ACSName, "YV12"))
-		return PIX_FMT_YUV420P;
-	if (!_strcmpi(ACSName, "YUY2"))
-		return PIX_FMT_YUYV422;
-	if (!_strcmpi(ACSName, "RGB24"))
-		return PIX_FMT_BGR24;
-	if (!_strcmpi(ACSName, "RGB32"))
-		return PIX_FMT_RGB32;
-	return PIX_FMT_NONE;
-}
-
-int ResizerNameToSWSResizer(const char *AResizerName) {
-	if (!_strcmpi(AResizerName, "FAST_BILINEAR"))
-		return SWS_FAST_BILINEAR;
-	if (!_strcmpi(AResizerName, "BILINEAR"))
-		return SWS_BILINEAR;
-	if (!_strcmpi(AResizerName, "BICUBIC"))
-		return SWS_BICUBIC;
-	if (!_strcmpi(AResizerName, "X"))
-		return SWS_X;
-	if (!_strcmpi(AResizerName, "POINT"))
-		return SWS_POINT;
-	if (!_strcmpi(AResizerName, "AREA"))
-		return SWS_AREA;
-	if (!_strcmpi(AResizerName, "BICUBLIN"))
-		return SWS_BICUBLIN;
-	if (!_strcmpi(AResizerName, "GAUSS"))
-		return SWS_GAUSS;
-	if (!_strcmpi(AResizerName, "SINC"))
-		return SWS_SINC;
-	if (!_strcmpi(AResizerName, "LANCZOS"))
-		return SWS_LANCZOS;
-	if (!_strcmpi(AResizerName, "SPLINE"))
-		return SWS_SPLINE;
-	return 0;
-}
-
 int ReadFrame(uint64_t FilePos, unsigned int &FrameSize, CompressedStream *CS, MatroskaReaderContext &Context, char *ErrorMsg, unsigned MsgSize) {
 	if (CS) {
 		char CSBuffer[4096];
diff --git a/FFmpegSource2/utils.h b/FFmpegSource2/utils.h
index ca3ac8b11..4cc3d5585 100644
--- a/FFmpegSource2/utils.h
+++ b/FFmpegSource2/utils.h
@@ -48,8 +48,6 @@ public:
 };
 
 int GetCPUFlags();
-int CSNameToPIXFMT(const char * ACSName, int ADefault);
-int ResizerNameToSWSResizer(const char *AResizerName);
 int ReadFrame(uint64_t FilePos, unsigned int &FrameSize, CompressedStream *CS, MatroskaReaderContext &Context, char *ErrorMsg, unsigned MsgSize);
 bool AudioFMTIsFloat(SampleFormat FMT);
 CodecID MatroskaToFFCodecID(TrackInfo *TI);
diff --git a/FFmpegSource2/wave64writer.cpp b/FFmpegSource2/wave64writer.cpp
index 29ede63e4..ab2c88031 100644
--- a/FFmpegSource2/wave64writer.cpp
+++ b/FFmpegSource2/wave64writer.cpp
@@ -19,6 +19,7 @@
 //  THE SOFTWARE.
 
 #include "wave64writer.h"
+#include <string.h>
 
 #define WAVE_FORMAT_IEEE_FLOAT 0x0003
 #define WAVE_FORMAT_PCM 1
@@ -80,7 +81,7 @@ void Wave64Writer::WriteHeader(bool Initial, bool IsFloat) {
 
 	memcpy(Header + 0, GuidRIFF, 16);
 	if (Initial) {
-		Header[2] = 0x7F00000000000000;
+		Header[2] = 0x7F00000000000000ull;
 	} else {
 		Header[2] = BytesWritten + sizeof(Header);
 	}
@@ -95,7 +96,7 @@ void Wave64Writer::WriteHeader(bool Initial, bool IsFloat) {
 	memcpy(Header + 11, Guiddata, 16);
 
 	if (Initial)
-		Header[13] = 0x7E00000000000000;
+		Header[13] = 0x7E00000000000000ull;
 	else
 		Header[13] = BytesWritten + 24;