private void WriteUserBuffersToAudioTrack()
{
// Here we need to fill the subBuffers of size 'subBufferSize' with the buffers provided by the user.
// There are three cases:
// (1) the provided buffer is smaller than our subBuffer size. In this case we need to concat the buffers.
// (2) the provided buffer is bigger than our subBuffer size. In this case we need to cut the buffer.
// (3) the buffer has exaclty the size of our subBuffer size. In this case we submit the buffer as is.
while (internalPendingBufferCount < NbOfSubBuffers)
{
if (pendingUserBuffers.Count == 0) // no user buffers available anymore
{
return;
}
var userBuffer = pendingUserBuffers.Peek();
if (userBuffer.ByteCount > dataNeededToFillCurSubBuffer) // (case 2: cut the buffers)
{
AudioTrackWrite(userBuffer.Buffer, userBuffer.Offset, dataNeededToFillCurSubBuffer);
Interlocked.Increment(ref internalPendingBufferCount);
submittedBufferHandles.Enqueue(currentSubBufferHandles); // submit the handles (note: current buffer handle is added only in case (1))
userBuffer.Offset += dataNeededToFillCurSubBuffer;
userBuffer.ByteCount -= dataNeededToFillCurSubBuffer;
dataNeededToFillCurSubBuffer = SubBufferSize;
currentSubBufferHandles = new SubBufferDataHandles();
}
else
{
// case 1: concat the buffers
AudioTrackWrite(userBuffer.Buffer, userBuffer.Offset, userBuffer.ByteCount);
currentSubBufferHandles.AddHandle();
dataNeededToFillCurSubBuffer -= userBuffer.ByteCount;
if (dataNeededToFillCurSubBuffer == 0) // case 3: the user buffer fit perfectly the size of our subbuffer
{
Interlocked.Increment(ref internalPendingBufferCount);
submittedBufferHandles.Enqueue(currentSubBufferHandles); // submit the handles (note: current buffer handle is added only in case (1))
dataNeededToFillCurSubBuffer = SubBufferSize;
currentSubBufferHandles = new SubBufferDataHandles();
}
// remove this buffer from the pending list because consumed
pendingUserBuffers.Dequeue();
}
}
}
private void ResetBufferInfo()
{
currentSubBufferHandles = new SubBufferDataHandles();
dataNeededToFillCurSubBuffer = SubBufferSize;
nbOfAudioFrameAvailable = 0;
}
private void ResetBufferInfo()
{
currentSubBufferHandles = new SubBufferDataHandles();
dataNeededToFillCurSubBuffer = SubBufferSize;
nbOfAudioFrameAvailable = 0;
}
private void WriteUserBuffersToAudioTrack()
{
// Here we need to fill the subBuffers of size 'subBufferSize' with the buffers provided by the user.
// There are three cases:
// (1) the provided buffer is smaller than our subBuffer size. In this case we need to concat the buffers.
// (2) the provided buffer is bigger than our subBuffer size. In this case we need to cut the buffer.
// (3) the buffer has exaclty the size of our subBuffer size. In this case we submit the buffer as is.
while (internalPendingBufferCount < NbOfSubBuffers)
{
if (pendingUserBuffers.Count == 0) // no user buffers available anymore
return;
var userBuffer = pendingUserBuffers.Peek();
if (userBuffer.ByteCount > dataNeededToFillCurSubBuffer) // (case 2: cut the buffers)
{
AudioTrackWrite(userBuffer.Buffer, userBuffer.Offset, dataNeededToFillCurSubBuffer);
Interlocked.Increment(ref internalPendingBufferCount);
submittedBufferHandles.Enqueue(currentSubBufferHandles); // submit the handles (note: current buffer handle is added only in case (1))
userBuffer.Offset += dataNeededToFillCurSubBuffer;
userBuffer.ByteCount -= dataNeededToFillCurSubBuffer;
dataNeededToFillCurSubBuffer = SubBufferSize;
currentSubBufferHandles = new SubBufferDataHandles();
}
else
{
// case 1: concat the buffers
AudioTrackWrite(userBuffer.Buffer, userBuffer.Offset, userBuffer.ByteCount);
currentSubBufferHandles.AddHandle();
dataNeededToFillCurSubBuffer -= userBuffer.ByteCount;
if (dataNeededToFillCurSubBuffer == 0) // case 3: the user buffer fit perfectly the size of our subbuffer
{
Interlocked.Increment(ref internalPendingBufferCount);
submittedBufferHandles.Enqueue(currentSubBufferHandles); // submit the handles (note: current buffer handle is added only in case (1))
dataNeededToFillCurSubBuffer = SubBufferSize;
currentSubBufferHandles = new SubBufferDataHandles();
}
// remove this buffer from the pending list because consumed
pendingUserBuffers.Dequeue();
}
}
}
