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audio: don't allocate buffer in SDL_SetAudioPostmixCallback for NULL callback.

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Ryan C. Gordon
2023-09-20 10:03:02 -04:00
parent 2a950f6ae6
commit ac88ffb7ea
1 changed files with 1 additions and 1 deletions
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src/audio/SDL_audio.c
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@@ -1484,7 +1484,7 @@ int SDL_SetAudioPostmixCallback(SDL_AudioDeviceID devid, SDL_AudioPostmixCallbac
int retval = 0; int retval = 0;
if (logdev) { if (logdev) {
SDL_AudioDevice *device = logdev->physical_device; SDL_AudioDevice *device = logdev->physical_device;
if (!device->postmix_buffer) { if (callback && !device->postmix_buffer) {
device->postmix_buffer = (float *)SDL_aligned_alloc(SDL_SIMDGetAlignment(), device->work_buffer_size); device->postmix_buffer = (float *)SDL_aligned_alloc(SDL_SIMDGetAlignment(), device->work_buffer_size);
if (device->mix_buffer == NULL) { if (device->mix_buffer == NULL) {
retval = SDL_OutOfMemory(); retval = SDL_OutOfMemory();