Enable ffmpeg building with MinGW-w64. The libraries were compiled with gcc 4.7, however is has been claimed there are issues with gcc > 4.4 so this is for testing purposes. Still it doesn't crash on startup anymore. Forgot to mention on ffmpeg lib commit that committed ffmpeg version is 0.10.2

CMakeLists.txt

@@ -195,7 +195,6 @@ option(WITH_IMAGE_FRAMESERVER   "Enable image FrameServer Support for rendering"
 
 # Audio/Video format support
 option(WITH_CODEC_FFMPEG        "Enable FFMPeg Support (http://ffmpeg.org)" OFF)
-unset(PLATFORM_DEFAULT)
 
 option(WITH_CODEC_SNDFILE       "Enable libsndfile Support (http://www.mega-nerd.com/libsndfile)" OFF)
 if(APPLE OR (WIN32 AND NOT UNIX))
@@ -372,7 +371,7 @@ if(MINGW)
 		                    "line if youre a developer who wants to add support.")
 	endif()
 	
-	if((WITH_MINGW64) AND (WITH_OPENCOLLADA OR WITH_CODEC_FFMPEG))
+	if((WITH_MINGW64) AND (WITH_OPENCOLLADA))
 		message(FATAL_ERROR "MINGW64 still doesn't support: WITH_OPENCOLLADA/WITH_CODEC_FFMPEG")
 	endif()
 endif()
@@ -1089,7 +1088,11 @@ elseif(WIN32)
 		if(WITH_CODEC_FFMPEG)
 			set(FFMPEG ${LIBDIR}/ffmpeg)
 			set(FFMPEG_INCLUDE_DIRS ${FFMPEG}/include ${FFMPEG}/include)
-			set(FFMPEG_LIBRARIES avcodec-53 avformat-53 avdevice-53 avutil-51 swscale-2)
+			if(WITH_MINGW64)
+				set(FFMPEG_LIBRARIES avcodec.dll avformat.dll avdevice.dll avutil.dll swscale.dll swresample.dll)
+			else()
+				set(FFMPEG_LIBRARIES avcodec-53 avformat-53 avdevice-53 avutil-51 swscale-2)
+			endif()
 			set(FFMPEG_LIBPATH ${FFMPEG}/lib)
 		endif()
 

build_files/scons/config/win64-mingw-config.py

@@ -16,11 +16,11 @@ BF_OPENAL_INC = '${BF_OPENAL}/include'
 BF_OPENAL_LIB = 'wrap_oal'
 BF_OPENAL_LIBPATH = '${BF_OPENAL}/lib'
 
-WITH_BF_FFMPEG = False # TODO: FFmpeg gives linking errors, need to compile with MinGW-w64?
-BF_FFMPEG_LIB = 'avformat-53 avcodec-53 avdevice-53 avutil-51 swscale-2'
+WITH_BF_FFMPEG = True
+BF_FFMPEG_LIB = 'avformat.dll avcodec.dll avdevice.dll avutil.dll swscale.dll swresample.dll'
 BF_FFMPEG_LIBPATH = LIBDIR + '/ffmpeg/lib'
 BF_FFMPEG_INC =  LIBDIR + '/ffmpeg/include'
-BF_FFMPEG_DLL = '${BF_FFMPEG_LIBPATH}/avformat-53.dll ${BF_FFMPEG_LIBPATH}/avcodec-53.dll ${BF_FFMPEG_LIBPATH}/avdevice-53.dll ${BF_FFMPEG_LIBPATH}/avutil-51.dll ${BF_FFMPEG_LIBPATH}/swscale-2.dll'
+BF_FFMPEG_DLL = '${BF_FFMPEG_LIBPATH}/avformat-53.dll ${BF_FFMPEG_LIBPATH}/avcodec-53.dll ${BF_FFMPEG_LIBPATH}/avdevice-53.dll ${BF_FFMPEG_LIBPATH}/avutil-51.dll ${BF_FFMPEG_LIBPATH}/swscale-2.dll ${BF_FFMPEG_LIBPATH}/swresample-0.dll ${BF_FFMPEG_LIBPATH}/xvidcore.dll'
 
 WITH_BF_JACK = False
 BF_JACK = LIBDIR + '/jack'

source/creator/CMakeLists.txt

@@ -584,7 +584,14 @@ elseif(WIN32)
 				${LIBDIR}/ffmpeg/lib/swscale-2.dll
 			DESTINATION ${TARGETDIR}
 		)
-
+		if(WITH_MINGW64)
+		install(
+			FILES
+				${LIBDIR}/ffmpeg/lib/swresample-0.dll
+				${LIBDIR}/ffmpeg/lib/xvidcore.dll
+			DESTINATION ${TARGETDIR}
+		)
+		endif()
 	endif()
 
 	if(WITH_CODEC_SNDFILE)