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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/linearfadetransition.cpp
+20 -14
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@@ -22,22 +22,28 @@
LinearFadeTransition::LinearFadeTransition(Clip* c, Clip* s, const EffectMeta* em) : Transition(c, s, em) {}
void LinearFadeTransition::process_audio(double timecode_start, double timecode_end, quint8* samples, int nb_bytes, int type) {
double interval = (timecode_end-timecode_start)/nb_bytes;
void LinearFadeTransition::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_bytes;i+=2) {
qint16 samp = (qint16) (((samples[i+1] & 0xFF) << 8) | (samples[i] & 0xFF));
for (int i=0;i<nb_samples;i++) {
switch (type) {
case kTransitionOpening:
samp *= timecode_start + (interval * i);
break;
case kTransitionClosing:
samp *= 1 - (timecode_start + (interval * i));
break;
float multi = timecode_start + (interval * i);
for (int j=0;j<channel_count;j++) {
switch (type) {
case kTransitionOpening:
samples[j][i] *= multi;
break;
case kTransitionClosing:
samples[j][i] *= 1.0f - multi;
break;
}
}
samples[i+1] = (quint8) (samp >> 8);
samples[i] = (quint8) samp;
}
}