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Fixes for SDL throttle 

- Throttle should be set on init
- SDL auido device was not being correctly closed on throttle change
This commit is contained in:
Mystro256 2017-03-05 00:57:52 -05:00 committed by Rafael Kitover
parent 8fcc32eeeb
commit 891f17d62f
1 changed files with 5 additions and 4 deletions
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9
src/common/SoundSDL.cpp
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@ -28,7 +28,7 @@ const float SoundSDL::_delay = 0.032f;
SoundSDL::SoundSDL(): SoundSDL::SoundSDL():
_rbuf(0), _rbuf(0),
_dev(-1), _dev(-1),
current_rate(0), current_rate(throttle),
_initialized(false) _initialized(false)
{ {
@ -91,8 +91,9 @@ void SoundSDL::write(uint16_t * finalWave, int length)
SDL_SemWait(_semBufferEmpty); SDL_SemWait(_semBufferEmpty);
if (throttle > 0 && throttle != current_rate) if (throttle > 0 && throttle != current_rate)
{ {
SDL_CloseAudio(); SDL_CloseAudioDevice(_dev);
init(soundGetSampleRate() * throttle / 100); //Reinit on throttle change:
init(soundGetSampleRate());
current_rate = throttle; current_rate = throttle;
} }
} }
@ -113,7 +114,7 @@ void SoundSDL::write(uint16_t * finalWave, int length)
bool SoundSDL::init(long sampleRate) bool SoundSDL::init(long sampleRate)
{ {
SDL_AudioSpec audio; SDL_AudioSpec audio;
audio.freq = sampleRate; audio.freq = sampleRate * throttle / 100;
audio.format = AUDIO_S16SYS; audio.format = AUDIO_S16SYS;
audio.channels = 2; audio.channels = 2;
audio.samples = 1024; audio.samples = 1024;