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converted internal system to float

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This commit is contained in:
itsmattkc
2019-04-07 13:37:28 +10:00
parent a2d7025776
commit 644d096f3c
31 changed files with 365 additions and 257 deletions
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effects/internal/volumeeffect.cpp
+12 -22
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@@ -37,32 +37,22 @@ VolumeEffect::VolumeEffect(Clip* c, const EffectMeta *em) : Effect(c, em) {
volume_val->SetDisplayType(LabelSlider::Decibel);
}
void VolumeEffect::process_audio(double timecode_start, double timecode_end, quint8* samples, int nb_bytes, int) {
double interval = (timecode_end-timecode_start)/nb_bytes;
for (int i=0;i<nb_bytes;i+=4) {
void VolumeEffect::process_audio(double timecode_start,
double timecode_end,
float **samples,
int nb_samples,
int channel_count,
int type) {
double interval = (timecode_end-timecode_start)/nb_samples;
for (int i=0;i<nb_samples;i++) {
double vol_val = volume_val->GetDoubleAt(timecode_start+(interval*i));
qint32 right_samp = qint16(((samples[i+3] & 0xFF) << 8) | (samples[i+2] & 0xFF));
qint32 left_samp = qint16(((samples[i+1] & 0xFF) << 8) | (samples[i] & 0xFF));
for (int j=0;j<channel_count;j++) {
left_samp *= vol_val;
right_samp *= vol_val;
samples[j][i] *= vol_val;
if (left_samp > INT16_MAX) {
left_samp = INT16_MAX;
} else if (left_samp < INT16_MIN) {
left_samp = INT16_MIN;
}
if (right_samp > INT16_MAX) {
right_samp = INT16_MAX;
} else if (right_samp < INT16_MIN) {
right_samp = INT16_MIN;
}
samples[i+3] = (quint8) (right_samp >> 8);
samples[i+2] = (quint8) right_samp;
samples[i+1] = (quint8) (left_samp >> 8);
samples[i] = (quint8) left_samp;
}
}