WITH_SAMPLERATE option for cmake, without this playback wont behave right so this is mainly intended for developers who build without audio enabled.

CMakeLists.txt

@@ -112,6 +112,7 @@ ENDIF()
 OPTION(WITH_SDL           "Enable SDL for sound and joystick support" ON)
 OPTION(WITH_OPENAL        "Enable OpenAL Support (http://www.openal.org)" ON)
 OPTION(WITH_JACK          "Enable Jack Support (http://www.jackaudio.org)" OFF)
+OPTION(WITH_SAMPLERATE    "Enable samplerate conversion" ON)
 
 # Compression
 OPTION(WITH_LZO           "Enable fast LZO compression (used for pointcache)" ON)
@@ -279,10 +280,12 @@ IF(UNIX AND NOT APPLE)
 		SET(FFTW3_LIBPATH ${FFTW3}/lib)
 	ENDIF(WITH_FFTW3)
 
-	SET(LIBSAMPLERATE /usr)
-	SET(LIBSAMPLERATE_INC ${LIBSAMPLERATE}/include)
-	SET(LIBSAMPLERATE_LIB samplerate)
-	SET(LIBSAMPLERATE_LIBPATH ${LIBSAMPLERATE}/lib)
+	IF(WITH_SAMPLERATE)
+		SET(LIBSAMPLERATE /usr)
+		SET(LIBSAMPLERATE_INC ${LIBSAMPLERATE}/include)
+		SET(LIBSAMPLERATE_LIB samplerate)
+		SET(LIBSAMPLERATE_LIBPATH ${LIBSAMPLERATE}/lib)
+	ENDIF(WITH_SAMPLERATE)
 
 	IF (WITH_OPENCOLLADA)
 		SET(OPENCOLLADA /usr/local/opencollada CACHE FILEPATH "OpenCollada Directory")
@@ -375,10 +378,12 @@ ELSEIF(WIN32)
 		SET(ICONV_LIBPATH ${ICONV}/lib)
 	ENDIF(WITH_INTERNATIONAL)
 
-	SET(LIBSAMPLERATE ${LIBDIR}/samplerate)
-	SET(LIBSAMPLERATE_INC ${LIBSAMPLERATE}/include)
-	SET(LIBSAMPLERATE_LIB libsamplerate)
-	SET(LIBSAMPLERATE_LIBPATH ${LIBSAMPLERATE}/lib)
+	IF(WITH_SAMPLERATE)
+		SET(LIBSAMPLERATE ${LIBDIR}/samplerate)
+		SET(LIBSAMPLERATE_INC ${LIBSAMPLERATE}/include)
+		SET(LIBSAMPLERATE_LIB libsamplerate)
+		SET(LIBSAMPLERATE_LIBPATH ${LIBSAMPLERATE}/lib)
+	ENDIF(WITH_SAMPLERATE)
 
 	SET(PNG "${LIBDIR}/png")
 	SET(PNG_INC "${PNG}/include")
@@ -776,10 +781,12 @@ ELSEIF(APPLE)
 		SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__STDC_CONSTANT_MACROS")
 	ENDIF(WITH_FFMPEG)
 
-	SET(LIBSAMPLERATE ${LIBDIR}/samplerate)
-	SET(LIBSAMPLERATE_INC ${LIBSAMPLERATE}/include)
-	SET(LIBSAMPLERATE_LIB samplerate)
-	SET(LIBSAMPLERATE_LIBPATH ${LIBSAMPLERATE}/lib)
+	IF(WITH_SAMPLERATE)
+		SET(LIBSAMPLERATE ${LIBDIR}/samplerate)
+		SET(LIBSAMPLERATE_INC ${LIBSAMPLERATE}/include)
+		SET(LIBSAMPLERATE_LIB samplerate)
+		SET(LIBSAMPLERATE_LIBPATH ${LIBSAMPLERATE}/lib)
+	ENDIF(WITH_SAMPLERATE)
 
 	SET(LLIBS stdc++ SystemStubs)
 

build_files/cmake/macros.cmake

@@ -55,8 +55,8 @@ MACRO(SETUP_LIBDIRS)
 		CMAKE_POLICY(SET CMP0003 NEW)
 	endif(COMMAND cmake_policy)
 	
-	LINK_DIRECTORIES(${JPEG_LIBPATH} ${PNG_LIBPATH} ${ZLIB_LIBPATH} ${FREETYPE_LIBPATH} ${LIBSAMPLERATE_LIBPATH})
-	
+	LINK_DIRECTORIES(${JPEG_LIBPATH} ${PNG_LIBPATH} ${ZLIB_LIBPATH} ${FREETYPE_LIBPATH})
+
 	IF(WITH_PYTHON)
 		LINK_DIRECTORIES(${PYTHON_LIBPATH})
 	ENDIF(WITH_PYTHON)
@@ -91,6 +91,9 @@ MACRO(SETUP_LIBDIRS)
 	IF(WITH_SNDFILE)
 		LINK_DIRECTORIES(${SNDFILE_LIBPATH})
 	ENDIF(WITH_SNDFILE)
+	IF(WITH_SAMPLERATE)
+		LINK_DIRECTORIES(${LIBSAMPLERATE_LIBPATH})
+	ENDIF(WITH_SAMPLERATE)
 	IF(WITH_FFTW3)
 		LINK_DIRECTORIES(${FFTW3_LIBPATH})
 	ENDIF(WITH_FFTW3)
@@ -124,7 +127,7 @@ MACRO(SETUP_LIBLINKS
 	ENDIF(WITH_PYTHON)
 
 	TARGET_LINK_LIBRARIES(${target} ${OPENGL_glu_LIBRARY} ${JPEG_LIB} ${PNG_LIB} ${ZLIB_LIB})
-	TARGET_LINK_LIBRARIES(${target} ${FREETYPE_LIBRARY} ${LIBSAMPLERATE_LIB})
+	TARGET_LINK_LIBRARIES(${target} ${FREETYPE_LIBRARY})
 
 	IF(WITH_INTERNATIONAL)
 		TARGET_LINK_LIBRARIES(${target} ${GETTEXT_LIB})
@@ -146,6 +149,9 @@ MACRO(SETUP_LIBLINKS
 	IF(WITH_SNDFILE)
 		TARGET_LINK_LIBRARIES(${target} ${SNDFILE_LIB})
 	ENDIF(WITH_SNDFILE)
+	IF(WITH_SAMPLERATE)
+		TARGET_LINK_LIBRARIES(${target} ${LIBSAMPLERATE_LIB})
+	ENDIF(WITH_SAMPLERATE)	
 	IF(WITH_SDL)
 		TARGET_LINK_LIBRARIES(${target} ${SDL_LIBRARY})
 	ENDIF(WITH_SDL)

intern/audaspace/CMakeLists.txt

@@ -61,8 +61,6 @@ SET(SRC
 	FX/AUD_SuperposeFactory.cpp
 	FX/AUD_SuperposeReader.cpp
 	FX/AUD_VolumeFactory.cpp
-	SRC/AUD_SRCResampleFactory.cpp
-	SRC/AUD_SRCResampleReader.cpp
 	intern/AUD_3DMath.h
 	intern/AUD_Buffer.cpp
 	intern/AUD_Buffer.h
@@ -164,6 +162,14 @@ IF(WITH_SNDFILE)
 	)
 ENDIF(WITH_SNDFILE)
 
+IF(WITH_SAMPLERATE)
+	ADD_DEFINITIONS(-DWITH_SAMPLERATE)
+	SET(SRCFILESRC
+		SRC/AUD_SRCResampleFactory.cpp
+		SRC/AUD_SRCResampleReader.cpp
+	)
+ENDIF(WITH_SAMPLERATE)
+
 #IF(WITH_FFTW3)
 #	ADD_DEFINITIONS(-DWITH_FFTW3)
 #	LIST(APPEND INC fftw ${FFTW3_INC})
@@ -181,6 +187,6 @@ IF(WITH_PYTHON)
 	ADD_DEFINITIONS(-DWITH_PYTHON)
 ENDIF(WITH_PYTHON)
 
-SET(SRC ${SRC} ${FFMPEGSRC} ${SNDFILESRC} ${FFTW3SRC} ${SDLSRC} ${OPENALSRC} ${JACKSRC} ${PYTHONSRC})
+SET(SRC ${SRC} ${FFMPEGSRC} ${SNDFILESRC} ${SRCFILESRC} ${FFTW3SRC} ${SDLSRC} ${OPENALSRC} ${JACKSRC} ${PYTHONSRC})
 
 BLENDERLIB(bf_intern_audaspace "${SRC}" "${INC}")

intern/audaspace/SConscript

@@ -44,4 +44,7 @@ if env['WITH_BF_PYTHON']:
 if env['OURPLATFORM'] in ('win32-vc', 'win32-mingw', 'linuxcross', 'win64-vc'):
     incs += ' ' + env['BF_PTHREADS_INC']
 
+# not optional with scons yet
+defs.append('WITH_SAMPLERATE')
+
 env.BlenderLib ('bf_intern_audaspace', sources, Split(incs), defs, libtype=['intern','player'], priority = [25,215] )

intern/audaspace/intern/AUD_DefaultMixer.cpp

@@ -24,7 +24,9 @@
  */
 
 #include "AUD_DefaultMixer.h"
+#ifdef WITH_SAMPLERATE
 #include "AUD_SRCResampleReader.h"
+#endif
 #include "AUD_ChannelMapperReader.h"
 #include "AUD_ChannelMapperFactory.h"
 
@@ -50,10 +52,12 @@ AUD_IReader* AUD_DefaultMixer::prepare(AUD_IReader* reader)
 		specs.channels = m_specs.channels;
 	}
 
+#ifdef WITH_SAMPLERATE
 	// resample
 	if(specs.rate != m_specs.rate)
 		reader = new AUD_SRCResampleReader(reader, m_specs.specs);
-
+#endif
+	
 	// rechannel
 	if(specs.channels != m_specs.channels)
 		reader = new AUD_ChannelMapperReader(reader,