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audio: Added a hint to let apps force device buffer size.

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This is a hint because apps might (probably mistakenly) believe they need this
to migrate from SDL2, but most things don't need to specify this.
This commit is contained in:
Ryan C. Gordon
2023-09-13 10:42:08 -04:00
parent 47d8c77c67
commit cf95721130
2 changed files with 30 additions and 2 deletions
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12
src/audio/SDL_audio.c
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@@ -1248,6 +1248,14 @@ static void PrepareAudioFormat(SDL_bool iscapture, SDL_AudioSpec *spec)
static int GetDefaultSampleFramesFromFreq(const int freq)
{
const char *hint = SDL_GetHint(SDL_HINT_AUDIO_DEVICE_SAMPLE_FRAMES);
if (hint) {
const int val = SDL_atoi(hint);
if (val > 0) {
return val;
}
}
if (freq <= 11025) {
return 512;
} else if (freq <= 22050) {
@@ -1256,9 +1264,9 @@ static int GetDefaultSampleFramesFromFreq(const int freq)
return 2048;
} else if (freq <= 96000) {
return 4096;
} else {
return 8192; // shrug
}
return 8192; // shrug
}
void SDL_UpdatedAudioDeviceFormat(SDL_AudioDevice *device)