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cleanup init functions of audio

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- use SDL_bool if possible
- assume NULL/SDL_FALSE filled impl
- skip zfill of current_audio at the beginning of SDL_AudioInit (done before the init() calls)
This commit is contained in:
pionere
2022-01-17 11:21:01 +01:00
committed by Ryan C. Gordon
parent 6fcfcc3d6f
commit 0dda8a7f4c
31 changed files with 170 additions and 178 deletions
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23
src/audio/emscripten/SDL_emscriptenaudio.c
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@@ -344,30 +344,29 @@ EMSCRIPTENAUDIO_LockOrUnlockDeviceWithNoMixerLock(SDL_AudioDevice * device)
{
}
static int
static SDL_bool
EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
{
int available;
int capture_available;
SDL_bool available, capture_available;
/* Set the function pointers */
impl->OpenDevice = EMSCRIPTENAUDIO_OpenDevice;
impl->CloseDevice = EMSCRIPTENAUDIO_CloseDevice;
impl->OnlyHasDefaultOutputDevice = 1;
impl->OnlyHasDefaultOutputDevice = SDL_TRUE;
/* no threads here */
impl->LockDevice = impl->UnlockDevice = EMSCRIPTENAUDIO_LockOrUnlockDeviceWithNoMixerLock;
impl->ProvidesOwnCallbackThread = 1;
impl->ProvidesOwnCallbackThread = SDL_TRUE;
/* check availability */
available = EM_ASM_INT_V({
if (typeof(AudioContext) !== 'undefined') {
return 1;
return SDL_TRUE;
} else if (typeof(webkitAudioContext) !== 'undefined') {
return 1;
return SDL_TRUE;
}
return 0;
return SDL_FALSE;
});
if (!available) {
@@ -376,11 +375,11 @@ EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
capture_available = available && EM_ASM_INT_V({
if ((typeof(navigator.mediaDevices) !== 'undefined') && (typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')) {
return 1;
return SDL_TRUE;
} else if (typeof(navigator.webkitGetUserMedia) !== 'undefined') {
return 1;
return SDL_TRUE;
}
return 0;
return SDL_FALSE;
});
impl->HasCaptureSupport = capture_available ? SDL_TRUE : SDL_FALSE;
@@ -390,7 +389,7 @@ EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
}
AudioBootStrap EMSCRIPTENAUDIO_bootstrap = {
"emscripten", "SDL emscripten audio driver", EMSCRIPTENAUDIO_Init, 0
"emscripten", "SDL emscripten audio driver", EMSCRIPTENAUDIO_Init, SDL_FALSE
};
#endif /* SDL_AUDIO_DRIVER_EMSCRIPTEN */