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SDL: Use SDL2 audio APIs when compiled against SDL2

This commit is contained in:
Jeffrey Pfau 2015-03-23 21:23:10 -07:00
parent 9bb306f831
commit 1c422d4057
2 changed files with 27 additions and 0 deletions
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24
src/platform/sdl/sdl-audio.c
View File

@ -31,7 +31,13 @@ bool GBASDLInitAudio(struct GBASDLAudio* context, struct GBAThread* threadContex
#if RESAMPLE_LIBRARY == RESAMPLE_NN
context->drift = 0.f;
#endif
#if SDL_VERSION_ATLEAST(2, 0, 0)
context->deviceId = SDL_OpenAudioDevice(0, 0, &context->desiredSpec, &context->obtainedSpec, SDL_AUDIO_ALLOW_FREQUENCY_CHANGE);
if (context->deviceId == 0) {
#else
if (SDL_OpenAudio(&context->desiredSpec, &context->obtainedSpec) < 0) {
#endif
GBALog(0, GBA_LOG_ERROR, "Could not open SDL sound system");
return false;
}
@ -43,25 +49,43 @@ bool GBASDLInitAudio(struct GBASDLAudio* context, struct GBAThread* threadContex
threadContext->audioBuffers = context->samples * 2;
}
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_PauseAudioDevice(context->deviceId, 0);
#else
SDL_PauseAudio(0);
#endif
return true;
}
void GBASDLDeinitAudio(struct GBASDLAudio* context) {
UNUSED(context);
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_PauseAudioDevice(context->deviceId, 1);
SDL_CloseAudioDevice(context->deviceId);
#else
SDL_PauseAudio(1);
SDL_CloseAudio();
#endif
SDL_QuitSubSystem(SDL_INIT_AUDIO);
}
void GBASDLPauseAudio(struct GBASDLAudio* context) {
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_PauseAudioDevice(context->deviceId, 1);
#else
UNUSED(context);
SDL_PauseAudio(1);
#endif
}
void GBASDLResumeAudio(struct GBASDLAudio* context) {
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_PauseAudioDevice(context->deviceId, 0);
#else
UNUSED(context);
SDL_PauseAudio(0);
#endif
}
static void _GBASDLAudioCallback(void* context, Uint8* data, int len) {

3
src/platform/sdl/sdl-audio.h
View File

@ -25,6 +25,9 @@ struct GBASDLAudio {
#if RESAMPLE_LIBRARY == RESAMPLE_NN
float drift;
#endif
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_AudioDeviceID deviceId;
#endif
struct GBAThread* thread;
};