Datasets:
shibing624
/
source_code

Dataset card Data Studio Files Community
2
text
stringlengths
0
2.2M
for (uint16 i = 0; i < numNotes; ++i)
{
auto timestamp = (uint32) input->readIntBigEndian();
auto identifier = (uint16) input->readShortBigEndian(); // may be zero in this case
auto stringLength = (uint16) input->readShortBigEndian();
MemoryBlock textBlock;
input->readIntoMemoryBlock (textBlock, stringLength + (stringLength & 1));
auto prefix = "CueNote" + String (i);
metadataValuesMap.emplace (prefix + "TimeStamp", String (timestamp));
metadataValuesMap.emplace (prefix + "Identifier", String (identifier));
metadataValuesMap.emplace (prefix + "Text", textBlock.toString());
}
}
else if (type == chunkName ("INST"))
{
HeapBlock<InstChunk> inst;
inst.calloc (jmax ((size_t) length + 1, sizeof (InstChunk)), 1);
input->read (inst, (int) length);
inst->copyTo (metadataValuesMap);
}
else if (type == chunkName ("basc"))
{
AiffFileHelpers::BASCChunk (*input).addToMetadata (metadataValuesMap);
}
else if (type == chunkName ("cate"))
{
metadataValuesMap.emplace (AiffAudioFormat::appleTag,
AiffFileHelpers::CATEChunk::read (*input, length));
}
else if ((hasGotVer && hasGotData && hasGotType)
|| chunkEnd < input->getPosition()
|| input->isExhausted())
{
break;
}
input->setPosition (chunkEnd + (chunkEnd & 1)); // (chunks should be aligned to an even byte address)
}
}
}
if (metadataValuesMap.size() > 0)
metadataValuesMap.emplace ("MetaDataSource", "AIFF");
metadataValues.addMap (metadataValuesMap);
}
//==============================================================================
bool readSamples (int** destSamples, int numDestChannels, int startOffsetInDestBuffer,
int64 startSampleInFile, int numSamples) override
{
clearSamplesBeyondAvailableLength (destSamples, numDestChannels, startOffsetInDestBuffer,
startSampleInFile, numSamples, lengthInSamples);
if (numSamples <= 0)
return true;
input->setPosition (dataChunkStart + startSampleInFile * bytesPerFrame);
while (numSamples > 0)
{
const int tempBufSize = 480 * 3 * 4; // (keep this a multiple of 3)
char tempBuffer [tempBufSize];
const int numThisTime = jmin (tempBufSize / bytesPerFrame, numSamples);
const int bytesRead = input->read (tempBuffer, numThisTime * bytesPerFrame);
if (bytesRead < numThisTime * bytesPerFrame)
{
jassert (bytesRead >= 0);
zeromem (tempBuffer + bytesRead, (size_t) (numThisTime * bytesPerFrame - bytesRead));
}
if (littleEndian)
copySampleData<AudioData::LittleEndian> (bitsPerSample, usesFloatingPointData,
destSamples, startOffsetInDestBuffer, numDestChannels,
tempBuffer, (int) numChannels, numThisTime);
else
copySampleData<AudioData::BigEndian> (bitsPerSample, usesFloatingPointData,
destSamples, startOffsetInDestBuffer, numDestChannels,
tempBuffer, (int) numChannels, numThisTime);
startOffsetInDestBuffer += numThisTime;
numSamples -= numThisTime;
}
return true;
}
template <typename Endianness>
static void copySampleData (unsigned int numBitsPerSample, bool floatingPointData,
int* const* destSamples, int startOffsetInDestBuffer, int numDestChannels,
const void* sourceData, int numberOfChannels, int numSamples) noexcept
{
switch (numBitsPerSample)
{
case 8: ReadHelper<AudioData::Int32, AudioData::Int8, Endianness>::read (destSamples, startOffsetInDestBuffer, numDestChannels, sourceData, numberOfChannels, numSamples); break;
case 16: ReadHelper<AudioData::Int32, AudioData::Int16, Endianness>::read (destSamples, startOffsetInDestBuffer, numDestChannels, sourceData, numberOfChannels, numSamples); break;