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audio keyframing implemented

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This commit is contained in:
itsmattkc
2018-08-22 20:12:18 +10:00
parent 71b2bcf16f
commit 1ead2a38a8
21 changed files with 193 additions and 153 deletions
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effects/audio/volumeeffect.cpp
+17 -16
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@@ -21,21 +21,22 @@ VolumeEffect::VolumeEffect(Clip* c) : Effect(c, EFFECT_TYPE_AUDIO, AUDIO_VOLUME_
connect(volume_val, SIGNAL(changed()), this, SLOT(field_changed()));
}
void VolumeEffect::process_audio(quint8* samples, int nb_bytes) {
double vol_val = volume_val->get_double_value(-1);
if (vol_val != 100) {
for (int i=0;i<nb_bytes;i+=2) {
qint32 samp = (qint16) (((samples[i+1] & 0xFF) << 8) | (samples[i] & 0xFF));
double val = qPow(vol_val*0.01, 3);
samp *= val;
if (samp > INT16_MAX) {
samp = INT16_MAX;
} else if (samp < INT16_MIN) {
samp = INT16_MIN;
}
void VolumeEffect::process_audio(double timecode_start, double timecode_end, quint8* samples, int nb_bytes, int) {
// qDebug() << timecode_start << timecode_end;
double interval = (timecode_end-timecode_start)/nb_bytes;
for (int i=0;i<nb_bytes;i+=2) {
double vol_val = volume_val->get_double_value(timecode_start+(interval*i));
// qDebug() << timecode_start+(interval*i);
qint32 samp = (qint16) (((samples[i+1] & 0xFF) << 8) | (samples[i] & 0xFF));
double val = qPow(vol_val*0.01, 3);
samp *= val;
if (samp > INT16_MAX) {
samp = INT16_MAX;
} else if (samp < INT16_MIN) {
samp = INT16_MIN;
}
samples[i+1] = (quint8) (samp >> 8);
samples[i] = (quint8) samp;
}
}
samples[i+1] = (quint8) (samp >> 8);
samples[i] = (quint8) samp;
}
}