bool readNextBlock()
{
jassert (reader != nullptr);
if (! isFullyLoaded())
{
const int numToDo = (int) jmin (256 * (int64) owner.samplesPerThumbSample, lengthInSamples - numSamplesFinished);
if (numToDo > 0)
{
int64 startSample = numSamplesFinished;
const int firstThumbIndex = sampleToThumbSample (startSample);
const int lastThumbIndex = sampleToThumbSample (startSample + numToDo);
const int numThumbSamps = lastThumbIndex - firstThumbIndex;
HeapBlock<MinMaxValue> levelData ((size_t) numThumbSamps * numChannels);
HeapBlock<MinMaxValue*> levels (numChannels);
for (int i = 0; i < (int) numChannels; ++i)
levels[i] = levelData + i * numThumbSamps;
HeapBlock<Range<float> > levelsRead (numChannels);
for (int i = 0; i < numThumbSamps; ++i)
{
reader->readMaxLevels ((firstThumbIndex + i) * owner.samplesPerThumbSample,
owner.samplesPerThumbSample, levelsRead, (int) numChannels);
for (int j = 0; j < (int) numChannels; ++j)
levels[j][i].setFloat (levelsRead[j]);
}
{
const ScopedUnlock su (readerLock);
owner.setLevels (levels, firstThumbIndex, (int) numChannels, numThumbSamps);
}
numSamplesFinished += numToDo;
lastReaderUseTime = Time::getMillisecondCounter();
}
}
return isFullyLoaded();
}
bool readNextBlock()
{
jassert (reader != nullptr);
if (! isFullyLoaded())
{
const int numToDo = (int) jmin (256 * (int64) owner.samplesPerThumbSample, lengthInSamples - numSamplesFinished);
if (numToDo > 0)
{
int64 startSample = numSamplesFinished;
const int firstThumbIndex = sampleToThumbSample (startSample);
const int lastThumbIndex = sampleToThumbSample (startSample + numToDo);
const int numThumbSamps = lastThumbIndex - firstThumbIndex;
HeapBlock<MinMaxValue> levelData ((size_t) numThumbSamps * 2);
MinMaxValue* levels[2] = { levelData, levelData + numThumbSamps };
for (int i = 0; i < numThumbSamps; ++i)
{
float lowestLeft, highestLeft, lowestRight, highestRight;
reader->readMaxLevels ((firstThumbIndex + i) * owner.samplesPerThumbSample, owner.samplesPerThumbSample,
lowestLeft, highestLeft, lowestRight, highestRight);
levels[0][i].setFloat (lowestLeft, highestLeft);
levels[1][i].setFloat (lowestRight, highestRight);
}
{
const ScopedUnlock su (readerLock);
owner.setLevels (levels, firstThumbIndex, 2, numThumbSamps);
}
numSamplesFinished += numToDo;
lastReaderUseTime = Time::getMillisecondCounter();
}
}
return isFullyLoaded();
}