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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/audionoiseeffect.cpp
+19 -20
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@@ -35,30 +35,29 @@ AudioNoiseEffect::AudioNoiseEffect(Clip* c, const EffectMeta *em) : Effect(c, em
mix_val->SetValueAt(0, true);
}
void AudioNoiseEffect::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 AudioNoiseEffect::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+=4) {
double timecode = timecode_start+(interval*i);
qint16 left_noise_sample = this->randomNumber<qint16>();
qint16 right_noise_sample = this->randomNumber<qint16>();
// set noise volume
double vol = log_volume( amount_val->GetDoubleAt(timecode)*0.01 );
left_noise_sample *= vol;
right_noise_sample *= vol;
float vol = log_volume( amount_val->GetDoubleAt(timecode)*0.01 );
// mix with source audio
if (mix_val->GetBoolAt(timecode)) {
qint16 left_sample = static_cast<qint16> (((samples[i+1] & 0xFF) << 8) | (samples[i] & 0xFF));
qint16 right_sample = static_cast<qint16> (((samples[i+3] & 0xFF) << 8) | (samples[i+2] & 0xFF));
left_noise_sample = mix_audio_sample(left_noise_sample, left_sample);
right_noise_sample = mix_audio_sample(right_noise_sample, right_sample);
for (int j=0;j<channel_count;j++) {
// Generate noise sample
float noise_sample = this->randomFloat<float>() * vol;
// mix with source audio
if (mix_val->GetBoolAt(timecode)) {
samples[j][i] += noise_sample;
} else {
samples[j][i] = noise_sample;
}
}
samples[i+3] = static_cast<quint8> (right_noise_sample >> 8);
samples[i+2] = static_cast<quint8> (right_noise_sample);
samples[i+1] = static_cast<quint8> (left_noise_sample >> 8);
samples[i] = static_cast<quint8> (left_noise_sample);
}
}