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Attempt to fix sdl sound again

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This commit is contained in:
Miloslav Číž 2020-10-10 17:06:57 +02:00
parent 362a05c08b
commit dd7f764bea
1 changed files with 3 additions and 3 deletions
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6
main_sdl.c
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@ -325,7 +325,7 @@ uint16_t audioPos = 0;
static inline int16_t mixSamples(int16_t sample1, int16_t sample2) static inline int16_t mixSamples(int16_t sample1, int16_t sample2)
{ {
return (sample1 + sample2) / 2; return sample1 + sample2;
} }
uint8_t musicOn = 1; uint8_t musicOn = 1;
@ -338,7 +338,7 @@ void audioFillCallback(void *userdata, uint8_t *s, int l)
{ {
s16[i] = musicOn ? s16[i] = musicOn ?
mixSamples(audioBuff[audioPos], MUSIC_VOLUME * mixSamples(audioBuff[audioPos], MUSIC_VOLUME *
(SFG_musicTrackAverages[SFG_MusicState.track] - SFG_getNextMusicSample())) (SFG_getNextMusicSample()- SFG_musicTrackAverages[SFG_MusicState.track]))
: audioBuff[audioPos]; : audioBuff[audioPos];
audioBuff[audioPos] = 0; audioBuff[audioPos] = 0;
@ -354,7 +354,7 @@ void SFG_enableMusic(uint8_t enable)
void SFG_playSound(uint8_t soundIndex, uint8_t volume) void SFG_playSound(uint8_t soundIndex, uint8_t volume)
{ {
uint16_t pos = audioPos; uint16_t pos = audioPos;
uint16_t volumeScale = 1 << (volume / 36); uint16_t volumeScale = 1 << (volume / 37);
for (int i = 0; i < SFG_SFX_SAMPLE_COUNT; ++i) for (int i = 0; i < SFG_SFX_SAMPLE_COUNT; ++i)
{ {