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GB, GBA Audio: Increase max audio volume

This commit is contained in:
Vicki Pfau 2018-05-11 17:19:16 -07:00
parent 56e40b118c
commit dadcf40ee2
3 changed files with 5 additions and 4 deletions
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1
CHANGES
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@ -55,6 +55,7 @@ Misc:
- GBA Savedata: Remove ability to disable realistic timing
- Qt: Add load alternate save option
- GB Audio: Improved audio quality
- GB, GBA Audio: Increase max audio volume
0.6.3: (2017-04-14)
Bugfixes:

6
src/gb/audio.c
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@ -627,7 +627,7 @@ void GBAudioSamplePSG(struct GBAudio* audio, int16_t* left, int16_t* right) {
}
}
int dcOffset = audio->style == GB_AUDIO_GBA ? 0 : 0x1FC;
int dcOffset = audio->style == GB_AUDIO_GBA ? 0 : 0x20A;
*left = (sampleLeft - dcOffset) * (1 + audio->volumeLeft);
*right = (sampleRight - dcOffset) * (1 + audio->volumeRight);
}
@ -637,8 +637,8 @@ static void _sample(struct mTiming* timing, void* user, uint32_t cyclesLate) {
int16_t sampleLeft = 0;
int16_t sampleRight = 0;
GBAudioSamplePSG(audio, &sampleLeft, &sampleRight);
sampleLeft = (sampleLeft * audio->masterVolume) >> 6;
sampleRight = (sampleRight * audio->masterVolume) >> 6;
sampleLeft = (sampleLeft * audio->masterVolume * 9) >> 7;
sampleRight = (sampleRight * audio->masterVolume * 9) >> 7;
mCoreSyncLockAudio(audio->p->sync);
unsigned produced;

2
src/gba/audio.c
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@ -253,7 +253,7 @@ static int _applyBias(struct GBAAudio* audio, int sample) {
} else if (sample < 0) {
sample = 0;
}
return ((sample - GBARegisterSOUNDBIASGetBias(audio->soundbias)) * audio->masterVolume) >> 3;
return ((sample - GBARegisterSOUNDBIASGetBias(audio->soundbias)) * audio->masterVolume) >> 2;
}
static void _sample(struct mTiming* timing, void* user, uint32_t cyclesLate) {