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get rid of SkipMixerLock

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pionere 2022-01-17 11:00:03 +01:00 committed by Ryan C. Gordon
parent 3c85cef46c
commit 6fcfcc3d6f
4 changed files with 7 additions and 17 deletions
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15
src/audio/SDL_audio.c
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@ -334,11 +334,6 @@ SDL_AudioUnlockDevice_Default(SDL_AudioDevice * device)
}
}
static void
SDL_AudioLockOrUnlockDeviceWithNoMixerLock(SDL_AudioDevice * device)
{
}
static void
finish_audio_entry_points_init(void)
{
@ -347,14 +342,6 @@ finish_audio_entry_points_init(void)
* blindly call them without having to check for validity first.
*/
if (current_audio.impl.SkipMixerLock) {
if (current_audio.impl.LockDevice == NULL) {
current_audio.impl.LockDevice = SDL_AudioLockOrUnlockDeviceWithNoMixerLock;
}
if (current_audio.impl.UnlockDevice == NULL) {
current_audio.impl.UnlockDevice = SDL_AudioLockOrUnlockDeviceWithNoMixerLock;
}
}
#define FILL_STUB(x) \
if (current_audio.impl.x == NULL) { \
@ -1421,7 +1408,7 @@ open_audio_device(const char *devname, int iscapture,
SDL_AtomicSet(&device->enabled, 1);
/* Create a mutex for locking the sound buffers */
if (!current_audio.impl.SkipMixerLock) {
if (current_audio.impl.LockDevice == SDL_AudioLockDevice_Default) {
device->mixer_lock = SDL_CreateMutex();
if (device->mixer_lock == NULL) {
close_audio_device(device);

1
src/audio/SDL_sysaudio.h
View file

@ -86,7 +86,6 @@ typedef struct SDL_AudioDriverImpl
/* Some flags to push duplicate code into the core and reduce #ifdefs. */
/* !!! FIXME: these should be SDL_bool */
int ProvidesOwnCallbackThread;
int SkipMixerLock;
int HasCaptureSupport;
int OnlyHasDefaultOutputDevice;
int OnlyHasDefaultCaptureDevice;

7
src/audio/emscripten/SDL_emscriptenaudio.c
View file

@ -339,6 +339,11 @@ EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscaptu
return 0;
}
static void
EMSCRIPTENAUDIO_LockOrUnlockDeviceWithNoMixerLock(SDL_AudioDevice * device)
{
}
static int
EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
{
@ -352,7 +357,7 @@ EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
impl->OnlyHasDefaultOutputDevice = 1;
/* no threads here */
impl->SkipMixerLock = 1;
impl->LockDevice = impl->UnlockDevice = EMSCRIPTENAUDIO_LockOrUnlockDeviceWithNoMixerLock;
impl->ProvidesOwnCallbackThread = 1;
/* check availability */

1
src/audio/qsa/SDL_qsa_audio.c
View file

@ -659,7 +659,6 @@ QSA_Init(SDL_AudioDriverImpl * impl)
impl->UnlockDevice = NULL;
impl->ProvidesOwnCallbackThread = 0;
impl->SkipMixerLock = 0;
impl->HasCaptureSupport = 1;
impl->OnlyHasDefaultOutputDevice = 0;
impl->OnlyHasDefaultCaptureDevice = 0;