Refactored the audio queueing code to a generic SDL_DataQueue interface.

This is not a public API (at the moment), but we will be needing this for
other internal things soon.

--HG--
extra : rebase_source : a9cc678783f19b02978f9b09f77b6a4ae9759a92

VisualC/SDL/SDL.vcxproj

@@ -387,6 +387,7 @@
     <ClCompile Include="..\..\src\libm\s_sin.c" />
     <ClCompile Include="..\..\src\libm\s_tan.c" />
     <ClCompile Include="..\..\src\SDL.c" />
+    <ClCompile Include="..\..\src\SDL_dataqueue.c" />
     <ClCompile Include="..\..\src\SDL_assert.c" />
     <ClCompile Include="..\..\src\atomic\SDL_atomic.c" />
     <ClCompile Include="..\..\src\audio\SDL_audio.c" />

VisualC/SDL/SDL.vcxproj.filters

@@ -253,6 +253,7 @@
     <ClInclude Include="..\..\src\dynapi\SDL_dynapi_overrides.h" />
     <ClInclude Include="..\..\src\dynapi\SDL_dynapi_procs.h" />
     <ClInclude Include="..\..\src\SDL_error_c.h" />
+    <ClInclude Include="..\..\src\SDL_dataqueue.h" />
     <ClInclude Include="..\..\src\events\SDL_events_c.h" />
     <ClInclude Include="..\..\src\events\SDL_gesture_c.h" />
     <ClInclude Include="..\..\src\video\SDL_glesfuncs.h" />
@@ -357,6 +358,7 @@
     <ClCompile Include="..\..\src\audio\dummy\SDL_dummyaudio.c" />
     <ClCompile Include="..\..\src\dynapi\SDL_dynapi.c" />
     <ClCompile Include="..\..\src\video\SDL_egl.c" />
+    <ClCompile Include="..\..\src\SDL_dataqueue.c" />
     <ClCompile Include="..\..\src\SDL_error.c" />
     <ClCompile Include="..\..\src\events\SDL_events.c" />
     <ClCompile Include="..\..\src\video\SDL_fillrect.c" />

VisualC/SDL/SDL_VS2008.vcproj

@@ -961,6 +961,14 @@
 			RelativePath="..\..\src\video\SDL_egl.c"
 			>
 		</File>
+		<File
+			RelativePath="..\..\src\SDL_dataqueue.c"
+			>
+		</File>
+		<File
+			RelativePath="..\..\src\SDL_dataqueue.h"
+			>
+		</File>
 		<File
 			RelativePath="..\..\src\SDL_error.c"
 			>