bool LV2Effect::Process()
{
CopyInputTracks();
bool bGoodResult = true;
TrackListIterator iter(mOutputTracks);
int count = 0;
Track *left = iter.First();
Track *right = NULL;
while (left)
{
sampleCount lstart = 0, rstart = 0;
sampleCount len;
GetSamples((WaveTrack *)left, &lstart, &len);
right = NULL;
if (left->GetLinked() && mAudioInputs.GetCount() > 1)
{
right = iter.Next();
GetSamples((WaveTrack *)right, &rstart, &len);
}
if (mAudioInputs.GetCount() < 2 && right)
{
// If the effect is mono, apply to each channel separately
bGoodResult = ProcessStereo(count, (WaveTrack *)left, NULL,
lstart, 0, len) &&
ProcessStereo(count, (WaveTrack *)right, NULL,
rstart, 0, len);
}
else
{
bGoodResult = ProcessStereo(count,
(WaveTrack *)left, (WaveTrack *)right,
lstart, rstart, len);
}
if (!bGoodResult)
{
break;
}
left = iter.Next();
count++;
}
ReplaceProcessedTracks(bGoodResult);
return bGoodResult;
}
void CKVerbDSP::Process(tfloat** ppfSamplesOut, const tfloat** ppfSamplesIn, tuint32 iNrOfSamples)
{
if (muiChannels == 1) {
ProcessMono(ppfSamplesOut, ppfSamplesIn, iNrOfSamples);
}
else {
ProcessStereo(ppfSamplesOut, ppfSamplesIn, iNrOfSamples);
}
}
bool EffectSoundTouch::Process()
{
// Assumes that mSoundTouch has already been initialized
// by the subclass for subclass-specific parameters.
//Iterate over each track
TrackListIterator iter(mWaveTracks);
WaveTrack* leftTrack = (WaveTrack*)(iter.First());
WaveTrack* rightTrack = NULL;
mCurTrackNum = 0;
m_maxNewLength = 0.0;
while (leftTrack) {
//Get start and end times from track
double trackStart = leftTrack->GetStartTime();
double trackEnd = leftTrack->GetEndTime();
//Set the current bounds to whichever left marker is
//greater and whichever right marker is less:
mCurT0 = mT0 < trackStart? trackStart: mT0;
mCurT1 = mT1 > trackEnd? trackEnd: mT1;
// Process only if the right marker is to the right of the left marker
if (mCurT1 > mCurT0) {
//Transform the marker timepoints to samples
longSampleCount start = leftTrack->TimeToLongSamples(mCurT0);
longSampleCount end = leftTrack->TimeToLongSamples(mCurT1);
rightTrack = NULL;
if (leftTrack->GetLinked()) {
rightTrack = (WaveTrack*)(iter.Next());
mSoundTouch->setChannels(2);
if (!ProcessStereo(leftTrack, rightTrack, start, end))
return false;
mCurTrackNum++; // Increment for rightTrack, too.
} else {
mSoundTouch->setChannels(1);
//ProcessOne() (implemented below) processes a single track
if (!ProcessOne(leftTrack, start, end))
return false;
}
}
//Iterate to the next track
leftTrack = (WaveTrack*)(iter.Next());
mCurTrackNum++;
}
delete mSoundTouch;
mSoundTouch = NULL;
mT1 = mT0 + m_maxNewLength; // Update selection.
return true;
}
bool LadspaEffect::Process()
{
this->CopyInputWaveTracks(); // Set up mOutputWaveTracks.
bool bGoodResult = true;
TrackListIterator iter(mOutputWaveTracks);
int count = 0;
Track *left = iter.First();
Track *right;
while(left) {
sampleCount lstart = 0, rstart = 0;
sampleCount len;
GetSamples((WaveTrack *)left, &lstart, &len);
right = NULL;
if (left->GetLinked() && inputs>1) {
right = iter.Next();
GetSamples((WaveTrack *)right, &rstart, &len);
}
if (inputs < 2 && right) {
// If the effect is mono, apply to each channel separately
bGoodResult = ProcessStereo(count, (WaveTrack *)left, NULL,
lstart, 0, len) &&
ProcessStereo(count, (WaveTrack *)right, NULL,
rstart, 0, len);
}
else bGoodResult = ProcessStereo(count,
(WaveTrack *)left, (WaveTrack *)right,
lstart, rstart, len);
if (!bGoodResult)
break;
left = iter.Next();
count++;
}
this->ReplaceProcessedWaveTracks(bGoodResult);
return bGoodResult;
}
bool LadspaEffect::Process()
{
TrackListIterator iter(mWaveTracks);
int count = 0;
Track *left = iter.First();
Track *right;
while(left) {
longSampleCount lstart, rstart;
sampleCount len;
GetSamples((WaveTrack *)left, &lstart, &len);
right = NULL;
if (left->GetLinked() && inputs>1) {
right = iter.Next();
GetSamples((WaveTrack *)right, &rstart, &len);
}
bool success = false;
if (inputs < 2 && right) {
// If the effect is mono, apply to each channel separately
success = ProcessStereo(count, (WaveTrack *)left, NULL,
lstart, 0, len);
if (success)
success = ProcessStereo(count, (WaveTrack *)right, NULL,
rstart, 0, len);
}
else success = ProcessStereo(count,
(WaveTrack *)left, (WaveTrack *)right,
lstart, rstart, len);
if (!success)
return false;
left = iter.Next();
count++;
}
return true;
}
void WiredLADSPAInstance::Process(float **input, float **output, long sample_length)
{
if (IsLoaded() == false || _InputAudioPluginsPorts.empty() || _OutputAudioPluginsPorts.empty() ||
(LADSPA_IS_INPLACE_BROKEN(_Properties) && *input == *output) || _IsPlaying == false || _Bypass == true)
{
memcpy(output[0], input[0], sample_length * sizeof(float));
memcpy(output[1], input[1], sample_length * sizeof(float));
}
else
{
if (_InputAudioPluginsPorts.size() >= 2 && _OutputAudioPluginsPorts.size() >= 2)
{
//memcpy(output[0], input[0], sample_length * sizeof(float));
//memcpy(output[1], input[1], sample_length * sizeof(float));
ProcessStereo(input, output, sample_length);
}
else
ProcessMono(input, output, sample_length);
}
}
bool VSTEffect::Process()
{
CopyInputTracks();
bool bGoodResult = true;
mInBuffer = NULL;
mOutBuffer = NULL;
TrackListIterator iter(mOutputTracks);
int count = 0;
bool clear = false;
WaveTrack *left = (WaveTrack *) iter.First();
while (left) {
WaveTrack *right;
sampleCount len;
sampleCount lstart;
sampleCount rstart;
GetSamples(left, &lstart, &len);
mChannels = 1;
right = NULL;
rstart = 0;
if (left->GetLinked() && mInputs > 1) {
right = (WaveTrack *) iter.Next();
GetSamples(right, &rstart, &len);
clear = false;
mChannels = 2;
}
if (mBlockSize == 0) {
mBlockSize = left->GetMaxBlockSize() * 2;
// Some VST effects (Antress Modern is an example), do not like
// overly large block sizes. Unfortunately, I have not found a
// way to determine if the effect has a maximum it will support,
// so just limit to small value for now. This will increase
// processing time and, it's a shame, because most plugins seem
// to be able to handle much larger sizes.
if (mBlockSize > 8192) { // The Antress limit
mBlockSize = 8192;
}
mInBuffer = new float *[mInputs];
for (int i = 0; i < mInputs; i++) {
mInBuffer[i] = new float[mBlockSize];
}
mOutBuffer = new float *[mOutputs];
for (int i = 0; i < mOutputs; i++) {
mOutBuffer[i] = new float[mBlockSize];
}
// Turn the power off
callDispatcher(effMainsChanged, 0, 0, NULL, 0.0);
// Set processing parameters
callDispatcher(effSetSampleRate, 0, 0, NULL, left->GetRate());
callDispatcher(effSetBlockSize, 0, mBlockSize, NULL, 0.0);
}
// Clear unused input buffers
if (!right && !clear) {
for (int i = 1; i < mInputs; i++) {
for (int j = 0; j < mBlockSize; j++) {
mInBuffer[i][j] = 0.0;
}
}
clear = true;
}
bGoodResult = ProcessStereo(count, left, right, lstart, rstart, len);
if (!bGoodResult) {
break;
}
left = (WaveTrack *) iter.Next();
count++;
}
if (mOutBuffer) {
for (int i = 0; i < mOutputs; i++) {
delete mOutBuffer[i];
}
delete [] mOutBuffer;
mOutBuffer = NULL;
}
if (mInBuffer) {
for (int i = 0; i < mInputs; i++) {
delete mInBuffer[i];
}
delete [] mInBuffer;
mInBuffer = NULL;
}
ReplaceProcessedTracks(bGoodResult);
return bGoodResult;
}
bool EffectSoundTouch::Process()
{
// Assumes that mSoundTouch has already been initialized
// by the subclass for subclass-specific parameters. The
// time warper should also be set.
// Check if this effect will alter the selection length; if so, we need
// to operate on sync-lock selected tracks.
bool mustSync = true;
if (mT1 == GetTimeWarper()->Warp(mT1)) {
mustSync = false;
}
//Iterate over each track
// Needs Track::All for sync-lock grouping.
this->CopyInputTracks(Track::All);
bool bGoodResult = true;
TrackListIterator iter(mOutputTracks);
Track* t;
mCurTrackNum = 0;
m_maxNewLength = 0.0;
t = iter.First();
while (t != NULL) {
if (t->GetKind() == Track::Label &&
(t->GetSelected() || (mustSync && t->IsSyncLockSelected())) )
{
if (!ProcessLabelTrack(t))
{
bGoodResult = false;
break;
}
}
#ifdef USE_MIDI
else if (t->GetKind() == Track::Note &&
(t->GetSelected() || (mustSync && t->IsSyncLockSelected())))
{
if (!ProcessNoteTrack(t))
{
bGoodResult = false;
break;
}
}
#endif
else if (t->GetKind() == Track::Wave && t->GetSelected())
{
WaveTrack* leftTrack = (WaveTrack*)t;
//Get start and end times from track
mCurT0 = leftTrack->GetStartTime();
mCurT1 = leftTrack->GetEndTime();
//Set the current bounds to whichever left marker is
//greater and whichever right marker is less
mCurT0 = wxMax(mT0, mCurT0);
mCurT1 = wxMin(mT1, mCurT1);
// Process only if the right marker is to the right of the left marker
if (mCurT1 > mCurT0) {
sampleCount start, end;
if (leftTrack->GetLinked()) {
double t;
WaveTrack* rightTrack = (WaveTrack*)(iter.Next());
//Adjust bounds by the right tracks markers
t = rightTrack->GetStartTime();
t = wxMax(mT0, t);
mCurT0 = wxMin(mCurT0, t);
t = rightTrack->GetEndTime();
t = wxMin(mT1, t);
mCurT1 = wxMax(mCurT1, t);
//Transform the marker timepoints to samples
start = leftTrack->TimeToLongSamples(mCurT0);
end = leftTrack->TimeToLongSamples(mCurT1);
//Inform soundtouch there's 2 channels
mSoundTouch->setChannels(2);
//ProcessStereo() (implemented below) processes a stereo track
if (!ProcessStereo(leftTrack, rightTrack, start, end))
{
bGoodResult = false;
break;
}
mCurTrackNum++; // Increment for rightTrack, too.
} else {
//Transform the marker timepoints to samples
start = leftTrack->TimeToLongSamples(mCurT0);
end = leftTrack->TimeToLongSamples(mCurT1);
//Inform soundtouch there's a single channel
mSoundTouch->setChannels(1);
//ProcessOne() (implemented below) processes a single track
if (!ProcessOne(leftTrack, start, end))
{
bGoodResult = false;
break;
}
}
}
mCurTrackNum++;
}
else if (mustSync && t->IsSyncLockSelected()) {
t->SyncLockAdjust(mT1, GetTimeWarper()->Warp(mT1));
}
//Iterate to the next track
t = iter.Next();
}
if (bGoodResult)
ReplaceProcessedTracks(bGoodResult);
delete mSoundTouch;
mSoundTouch = NULL;
// mT0 = mCurT0;
// mT1 = mCurT0 + m_maxNewLength; // Update selection.
return bGoodResult;
}
