public void StopRecording()
{
_diskWriterRunning = false;
if (_diskWriter != null)
{
_bufferEvent.Set();
_diskWriter.Join();
}
Flush();
FreeBuffers();
_diskWriter = null;
_wavWriter = null;
}
private void DiskWriterThread()
{
if (_recordingMode == RecordingMode.Baseband)
{
//_iQObserver.IQReady += IQSamplesIn;
//_iQObserver.Enabled = true;
}
else
{
_audioProcessor.AudioReady += AudioSamplesIn;
_audioProcessor.Bypass = false;
}
string fileName = string.Format("Data\\ASR_{0}_{1}_{2}.wav", DateTime.Now.ToString("yyyyMMddHHmmss"), Frequency, Seconds);
_wavWriter = new SimpleWavWriter(fileName, _wavSampleFormat, (uint)_sampleRate);
_wavWriter.Open();
// 每秒返10包数据，
int max = 10 * Seconds;
int i = 0;
while (_diskWriterRunning)
{
if (_circularBufferTail == _circularBufferHead)
{
_bufferEvent.WaitOne();
}
if (_diskWriterRunning && _circularBufferTail != _circularBufferHead)
{
if (_recordingMode == RecordingMode.Audio)
{
ScaleAudio(_floatCircularBufferPtrs[_circularBufferTail], _circularBuffers[_circularBufferTail].Length * 2);
}
_wavWriter.Write(_floatCircularBufferPtrs[_circularBufferTail], _circularBuffers[_circularBufferTail].Length);
_circularBufferUsedCount--;
_circularBufferTail++;
_circularBufferTail &= (_bufferCount - 1);
i++;
if (i >= max)
{
_wavWriter.Close();
_wavWriter = null;
FreeBuffers();
_circularBufferTail = 0;
_circularBufferHead = 0;
fileName = string.Format("Data\\ASR_{0}_{1}_{2}.wav", DateTime.Now.ToString("yyyyMMddHHmmss"), Frequency, Seconds);
_wavWriter = new SimpleWavWriter(fileName, _wavSampleFormat, (uint)_sampleRate);
_wavWriter.Open();
i = 0;
}
}
}
while (_circularBufferTail != _circularBufferHead)
{
if (_floatCircularBufferPtrs[_circularBufferTail] != null)
{
_wavWriter.Write(_floatCircularBufferPtrs[_circularBufferTail], _circularBuffers[_circularBufferTail].Length);
}
_circularBufferTail++;
_circularBufferTail &= (_bufferCount - 1);
}
if (_recordingMode == RecordingMode.Baseband)
{
//_iQObserver.Enabled = false;
//_iQObserver.IQReady -= IQSamplesIn;
}
else
{
_audioProcessor.Bypass = true;
_audioProcessor.AudioReady -= AudioSamplesIn;
}
_diskWriterRunning = false;
}
