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Added SDL_HINT_AUDIO_FREQUENCY, SDL_HINT_AUDIO_CHANNELS, and SDL_HINT_AUDIO_FORMAT

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This commit is contained in:
Sam Lantinga
2024-08-03 08:24:36 -07:00
parent 0a6bab3ac7
commit 5aa1a48ac3
2 changed files with 54 additions and 7 deletions
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15
src/audio/SDL_audio.c
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@@ -1577,9 +1577,9 @@ static void PrepareAudioFormat(SDL_bool recording, SDL_AudioSpec *spec)
if (spec->freq == 0) {
spec->freq = recording ? DEFAULT_AUDIO_RECORDING_FREQUENCY : DEFAULT_AUDIO_PLAYBACK_FREQUENCY;
const char *env = SDL_getenv("SDL_AUDIO_FREQUENCY"); // !!! FIXME: should be a hint?
if (env) {
const int val = SDL_atoi(env);
const char *hint = SDL_GetHint(SDL_HINT_AUDIO_FREQUENCY);
if (hint) {
const int val = SDL_atoi(hint);
if (val > 0) {
spec->freq = val;
}
@@ -1588,9 +1588,10 @@ static void PrepareAudioFormat(SDL_bool recording, SDL_AudioSpec *spec)
if (spec->channels == 0) {
spec->channels = recording ? DEFAULT_AUDIO_RECORDING_CHANNELS : DEFAULT_AUDIO_PLAYBACK_CHANNELS;;
const char *env = SDL_getenv("SDL_AUDIO_CHANNELS");
if (env) {
const int val = SDL_atoi(env);
const char *hint = SDL_GetHint(SDL_HINT_AUDIO_CHANNELS);
if (hint) {
const int val = SDL_atoi(hint);
if (val > 0) {
spec->channels = val;
}
@@ -1598,7 +1599,7 @@ static void PrepareAudioFormat(SDL_bool recording, SDL_AudioSpec *spec)
}
if (spec->format == 0) {
const SDL_AudioFormat val = ParseAudioFormatString(SDL_getenv("SDL_AUDIO_FORMAT"));
const SDL_AudioFormat val = ParseAudioFormatString(SDL_GetHint(SDL_HINT_AUDIO_FORMAT));
spec->format = (val != 0) ? val : (recording ? DEFAULT_AUDIO_RECORDING_FORMAT : DEFAULT_AUDIO_PLAYBACK_FORMAT);
}
}