Rename SDL2 backend source files.

CMakeLists.txt

@@ -648,12 +648,12 @@ if(NOT MINIAUDIO_NO_DEVICEIO)
 
     if(NOT MINIAUDIO_NO_SDL2)
         add_library(miniaudio_sdl2 STATIC
-            extras/backends/sdl/backend_sdl.c
-            extras/backends/sdl/backend_sdl.h
+            extras/backends/sdl2/miniaudio_sdl2.c
+            extras/backends/sdl2/miniaudio_sdl2.h
         )
 
         list(APPEND LIBS_TO_INSTALL miniaudio_sdl2)
-        install(FILES extras/backends/sdl/backend_sdl.h DESTINATION include/miniaudio/extras/backends/sdl2)
+        install(FILES extras/backends/sdl2/miniaudio_sdl2.h DESTINATION include/miniaudio/extras/backends/sdl2)
 
         target_include_directories(miniaudio_sdl2 PUBLIC  ${CMAKE_CURRENT_SOURCE_DIR}/extras/backends/sdl2)
         target_compile_options    (miniaudio_sdl2 PRIVATE ${COMPILE_OPTIONS})

examples/custom_backend.c

@@ -13,7 +13,7 @@ backends would actually get hit. By default, the `ma_backend_custom` backend is
 #include "../miniaudio.c"
 
 /* We're using SDL for this example. To use this in your own program, you need to include backend_sdl.h after miniaudio.h. */
-#include "../extras/backends/sdl/backend_sdl.h"
+#include "../extras/backends/sdl2/miniaudio_sdl2.h"
 
 #ifdef __EMSCRIPTEN__
 #include <emscripten.h>
@@ -146,4 +146,4 @@ int main(int argc, char** argv)
 }
 
 /* We put the SDL implementation here just to simplify the compilation process. This way you need only compile custom_backend.c. */
-#include "../extras/backends/sdl/backend_sdl.c"
+#include "../extras/backends/sdl2/miniaudio_sdl2.c"

extras/backends/sdl2/miniaudio_sdl2.c

@@ -12,7 +12,7 @@ which requires the `-s USE_SDL=2` option.
 #include "../../../miniaudio.h"
 #endif
 
-#include "backend_sdl.h"
+#include "miniaudio_sdl2.h"
 
 #include <string.h> /* memset() */
 #include <assert.h>

tests/deviceio/deviceio.c

@@ -49,7 +49,7 @@ If multiple backends are specified, the priority will be based on the order in w
 are specified the last one on the command line will have priority.
 */
 #include "../common/common.c"
-#include "../../extras/backends/sdl/backend_sdl.c"
+#include "../../extras/backends/sdl2/miniaudio_sdl2.c"
 
 #if defined(MA_TESTS_INCLUDE_PIPEWIRE)
 #include "../../extras/backends/pipewire/miniaudio_pipewire.h"