corec's changes from http://github.com/corec/cc-overlay/blob/master/games-arcade/sm-ssc/files/sm-ssc-ffmpeg-fixes-01.patch

src/arch/ArchHooks/ArchHooks_Unix.cpp

@@ -20,7 +20,7 @@
 #if defined(HAVE_FFMPEG)
 extern "C"
 {
-	#include <ffmpeg/libavcodec/avcodec.h>
+	#include <libavcodec/avcodec.h>
 }
 #endif
 

src/arch/MovieTexture/MovieTexture_FFMpeg.cpp

@@ -695,7 +695,7 @@ int URLRageFile_write( avcodec::URLContext *h, unsigned char *buf, int size )
 #if defined(MACOSX)
 	avcodec::offset_t URLRageFile_seek( avcodec::URLContext *h, avcodec::offset_t pos, int whence )
 #else
-	avcodec::int64_t URLRageFile_seek( avcodec::URLContext *h, avcodec::int64_t pos, int whence )
+	int64_t URLRageFile_seek( avcodec::URLContext *h, avcodec::int64_t pos, int whence )
 #endif
 {
 	RageFileBasic *f = (RageFileBasic *) h->priv_data;