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Fix sign/sine wave typos.

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Don't think I'll ever stop making this mistake...
This commit is contained in:
David Reid
2018-03-25 14:51:40 +10:00
parent 5f0ce3d3d1
commit bbe719c426
1 changed files with 12 additions and 12 deletions
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mini_al.h
+12 -12
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@@ -19361,12 +19361,12 @@ mal_result mal_decoder_seek_to_frame(mal_decoder* pDecoder, mal_uint64 frameInde
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
mal_result mal_sine_wave_init(double amplitude, double periodsPerSecond, mal_uint32 sampleRate, mal_sine_wave* pSignWave)
mal_result mal_sine_wave_init(double amplitude, double periodsPerSecond, mal_uint32 sampleRate, mal_sine_wave* pSineWave)
{
if (pSignWave == NULL) {
if (pSineWave == NULL) {
return MAL_INVALID_ARGS;
}
mal_zero_object(pSignWave);
mal_zero_object(pSineWave);
if (amplitude == 0 || periodsPerSecond == 0) {
return MAL_INVALID_ARGS;
@@ -19379,27 +19379,27 @@ mal_result mal_sine_wave_init(double amplitude, double periodsPerSecond, mal_uin
amplitude = -1;
}
pSignWave->amplitude = amplitude;
pSignWave->periodsPerSecond = periodsPerSecond;
pSignWave->delta = MAL_PI_D*2 / sampleRate;
pSignWave->time = 0;
pSineWave->amplitude = amplitude;
pSineWave->periodsPerSecond = periodsPerSecond;
pSineWave->delta = MAL_PI_D*2 / sampleRate;
pSineWave->time = 0;
return MAL_SUCCESS;
}
mal_uint64 mal_sine_wave_read(mal_sine_wave* pSignWave, mal_uint64 count, float* pSamples)
mal_uint64 mal_sine_wave_read(mal_sine_wave* pSineWave, mal_uint64 count, float* pSamples)
{
if (pSignWave == NULL) {
if (pSineWave == NULL) {
return 0;
}
if (pSamples != NULL) {
for (mal_uint64 i = 0; i < count; i += 1) {
pSamples[i] = (float)(sin(pSignWave->time * pSignWave->periodsPerSecond) * pSignWave->amplitude);
pSignWave->time += pSignWave->delta;
pSamples[i] = (float)(sin(pSineWave->time * pSineWave->periodsPerSecond) * pSineWave->amplitude);
pSineWave->time += pSineWave->delta;
}
} else {
pSignWave->time += pSignWave->delta * count;
pSineWave->time += pSineWave->delta * count;
}
return count;