void CachingReaderWorker::loadTrack(const TrackPointer& pTrack) {
//qDebug() << m_group << "CachingReaderWorker::loadTrack() lock acquired for load.";
// Emit that a new track is loading, stops the current track
emit(trackLoading());
ReaderStatusUpdate status;
status.status = TRACK_NOT_LOADED;
QString filename = pTrack->getLocation();
if (filename.isEmpty() || !pTrack->exists()) {
// Must unlock before emitting to avoid deadlock
qDebug() << m_group << "CachingReaderWorker::loadTrack() load failed for\""
<< filename << "\", unlocked reader lock";
m_pReaderStatusFIFO->writeBlocking(&status, 1);
emit(trackLoadFailed(
pTrack, QString("The file '%1' could not be found.").arg(filename)));
return;
}
Mixxx::AudioSourceConfig audioSrcCfg;
audioSrcCfg.setChannelCount(CachingReaderChunk::kChannels);
m_pAudioSource = openAudioSourceForReading(pTrack, audioSrcCfg);
if (m_pAudioSource.isNull()) {
m_maxReadableFrameIndex = Mixxx::AudioSource::getMinFrameIndex();
// Must unlock before emitting to avoid deadlock
qDebug() << m_group << "CachingReaderWorker::loadTrack() load failed for\""
<< filename << "\", file invalid, unlocked reader lock";
m_pReaderStatusFIFO->writeBlocking(&status, 1);
emit(trackLoadFailed(
pTrack, QString("The file '%1' could not be loaded.").arg(filename)));
return;
}
// Initially assume that the complete content offered by audio source
// is available for reading. Later if read errors occur this value will
// be decreased to avoid repeated reading of corrupt audio data.
m_maxReadableFrameIndex = m_pAudioSource->getMaxFrameIndex();
status.maxReadableFrameIndex = m_maxReadableFrameIndex;
status.status = TRACK_LOADED;
m_pReaderStatusFIFO->writeBlocking(&status, 1);
// Clear the chunks to read list.
CachingReaderChunkReadRequest request;
while (m_pChunkReadRequestFIFO->read(&request, 1) == 1) {
qDebug() << "Skipping read request for " << request.chunk->getIndex();
status.status = CHUNK_READ_INVALID;
status.chunk = request.chunk;
m_pReaderStatusFIFO->writeBlocking(&status, 1);
}
// Emit that the track is loaded.
const SINT sampleCount =
CachingReaderChunk::frames2samples(
m_pAudioSource->getFrameCount());
emit(trackLoaded(pTrack, m_pAudioSource->getSamplingRate(), sampleCount));
}
void CachingReaderWorker::loadTrack(const TrackPointer& pTrack) {
//qDebug() << m_group << "CachingReaderWorker::loadTrack() lock acquired for load.";
// Emit that a new track is loading, stops the current track
emit(trackLoading());
ReaderStatusUpdate status;
status.status = TRACK_NOT_LOADED;
status.chunk = NULL;
status.trackFrameCount = 0;
QString filename = pTrack->getLocation();
if (filename.isEmpty() || !pTrack->exists()) {
// Must unlock before emitting to avoid deadlock
qDebug() << m_group << "CachingReaderWorker::loadTrack() load failed for\""
<< filename << "\", unlocked reader lock";
m_pReaderStatusFIFO->writeBlocking(&status, 1);
emit(trackLoadFailed(
pTrack, QString("The file '%1' could not be found.").arg(filename)));
return;
}
Mixxx::AudioSourceConfig audioSrcCfg;
audioSrcCfg.channelCountHint = kChunkChannels;
m_pAudioSource = openAudioSourceForReading(pTrack, audioSrcCfg);
if (m_pAudioSource.isNull()) {
// Must unlock before emitting to avoid deadlock
qDebug() << m_group << "CachingReaderWorker::loadTrack() load failed for\""
<< filename << "\", file invalid, unlocked reader lock";
m_pReaderStatusFIFO->writeBlocking(&status, 1);
emit(trackLoadFailed(
pTrack, QString("The file '%1' could not be loaded.").arg(filename)));
return;
}
status.trackFrameCount = m_pAudioSource->getFrameCount();
status.status = TRACK_LOADED;
m_pReaderStatusFIFO->writeBlocking(&status, 1);
// Clear the chunks to read list.
ChunkReadRequest request;
while (m_pChunkReadRequestFIFO->read(&request, 1) == 1) {
qDebug() << "Skipping read request for " << request.chunk->chunk_number;
status.status = CHUNK_READ_INVALID;
status.chunk = request.chunk;
m_pReaderStatusFIFO->writeBlocking(&status, 1);
}
// Emit that the track is loaded.
const SINT sampleCount =
m_pAudioSource->getFrameCount() * kChunkChannels;
emit(trackLoaded(pTrack, m_pAudioSource->getFrameRate(), sampleCount));
}
