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added more functionality to transition tool

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This commit is contained in:
itsmattkc
2018-11-06 18:30:38 +11:00
parent 047176c64d
commit 11d10ef329
27 changed files with 456 additions and 330 deletions
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effects/internal/linearfadetransition.cpp
+14 -15
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@@ -1,26 +1,25 @@
#include "../transition.h"
#include "linearfadetransition.h"
LinearFadeTransition::LinearFadeTransition() : Transition(AUDIO_LINEAR_FADE_TRANSITION) {}
LinearFadeTransition::LinearFadeTransition(Clip* c, const EffectMeta* em) : Effect(c, em) {}
void LinearFadeTransition::process_audio(double range_start, double range_end, quint8* samples, int nb_samples, bool reverse) {
double interval = (range_end - range_start) / nb_samples;
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;
for (int i=0;i<nb_samples;i+=2) {
for (int i=0;i<nb_bytes;i+=2) {
qint16 samp = (qint16) (((samples[i+1] & 0xFF) << 8) | (samples[i] & 0xFF));
if (reverse) {
samp *= 1 - (range_start + (interval * i));
} else {
samp *= range_start + (interval * i);
switch (type) {
case TRAN_TYPE_OPEN:
case TRAN_TYPE_OPENWLINK:
samp *= timecode_start + (interval * i);
break;
case TRAN_TYPE_CLOSE:
case TRAN_TYPE_CLOSEWLINK:
samp *= 1 - (timecode_start + (interval * i));
break;
}
samples[i+1] = (quint8) (samp >> 8);
samples[i] = (quint8) samp;
}
}
Transition* LinearFadeTransition::copy() {
Transition* t = new LinearFadeTransition();
t->length = length;
return t;
}