private bool ReadTag()
{
uint tagType, dataSize, timeStamp, streamID, mediaInfo;
byte[] data;
if (_fileLength - _fileOffset < 11)
{
return(false);
}
// Read tag header
tagType = ReadUInt8();
dataSize = ReadUInt24();
timeStamp = ReadUInt24();
timeStamp |= ReadUInt8() << 24;
streamID = ReadUInt24();
// Read tag data
if (dataSize == 0)
{
return(true);
}
if (_fileLength - _fileOffset < dataSize)
{
return(false);
}
mediaInfo = ReadUInt8();
dataSize -= 1;
data = ReadBytes((int)dataSize);
if (tagType == 0x8)
{ // Audio
if (_audioWriter == null)
{
_audioWriter = _extractAudio ? GetAudioWriter(mediaInfo) : new DummyAudioWriter();
ExtractedAudio = !(_audioWriter is DummyAudioWriter);
}
_audioWriter.WriteChunk(data, timeStamp);
}
else if (tagType == 0x9 && mediaInfo >> 4 != 5)
{ // Video
if (_videoWriter == null)
{
_videoWriter = _extractVideo ? GetVideoWriter(mediaInfo) : new DummyVideoWriter();
ExtractedVideo = !(_videoWriter is DummyVideoWriter);
}
if (_timeCodeWriter == null)
{
var path = _outputPathBase + ".txt";
_timeCodeWriter = new TimeCodeWriter(_extractTimeCodes && CanWriteTo(path) ? path : null);
ExtractedTimeCodes = _extractTimeCodes;
}
_videoTimeStamps.Add(timeStamp);
_videoWriter.WriteChunk(data, timeStamp, (int)((mediaInfo & 0xF0) >> 4));
_timeCodeWriter.Write(timeStamp);
}
return(true);
}
public static void BuildParseCompareAudio(IAudioFormat audio, IAudioWriter writer, IAudioReader reader)
{
byte[] builtFile = writer.GetFile(audio);
IAudioFormat parsedAudio = reader.ReadFormat(builtFile);
Assert.Equal(audio, parsedAudio, new AudioFormatComparer());
}
private void CloseOutput(FractionUInt32?averageFrameRate, bool disposing)
{
if (_videoWriter != null)
{
_videoWriter.Finish(averageFrameRate ?? new FractionUInt32(25, 1));
if (disposing && _videoWriter.Path != null)
{
try { File.Delete(_videoWriter.Path); }
catch { }
}
_videoWriter = null;
}
if (_audioWriter != null)
{
_audioWriter.Finish();
if (disposing && _audioWriter.Path != null)
{
try { File.Delete(_audioWriter.Path); }
catch { }
}
_audioWriter = null;
}
if (_timeCodeWriter != null)
{
_timeCodeWriter.Finish();
if (disposing && _timeCodeWriter.Path != null)
{
try { File.Delete(_timeCodeWriter.Path); }
catch { }
}
_timeCodeWriter = null;
}
}
public XnaRecorder(Stream stream, EncodingFormat format, int preset)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
_stream = stream;
_sampleRate = 16000;
_bitRate = 16;
_channels = 1;
_format = format;
_preset = preset;
_size = 0;
_duration = 0;
_state = RecorderState.Unknown;
InitializeMicrophone();
if (_format == EncodingFormat.Wave)
{
_writer = new WaveWriter(_stream, _sampleRate, _bitRate, _channels);
}
else if (_format == EncodingFormat.MP3)
{
_writer = new Mp3Writer(_stream, _sampleRate, _bitRate, _channels, (LAMEPreset)_preset);
}
}
private bool ReadTag()
{
uint tagType, dataSize, timeStamp, mediaInfo;
if ((_fileLength - _fileOffset) < 11)
{
return(false);
}
// Read tag header
tagType = ReadUInt8();
dataSize = ReadUInt24();
timeStamp = ReadUInt24();
timeStamp |= ReadUInt8() << 24;
ReadUInt24();
// Read tag data
if (dataSize == 0)
{
return(true);
}
if ((_fileLength - _fileOffset) < dataSize)
{
return(false);
}
mediaInfo = ReadUInt8();
dataSize -= 1;
byte[] data = ReadBytes((int)dataSize);
if (tagType == 0x8 && this.audioOutputStream != null)
{
// Audio
if (_audioWriter == null)
{
_audioWriter = this.GetAudioWriter(mediaInfo);
this.AudioFormat = this._audioWriter.AudioFormat;
}
_audioWriter.WriteChunk(data, timeStamp);
}
else if ((tagType == 0x9) && ((mediaInfo >> 4) != 5) && this.videoOutputStream != null)
{
// Video
if (_videoWriter == null)
{
_videoWriter = this.GetVideoWriter(mediaInfo);
this.VideoFormat = this._videoWriter.VideoFormat;
}
_videoTimeStamps.Add(timeStamp);
_videoWriter.WriteChunk(data, timeStamp, (int)((mediaInfo & 0xF0) >> 4));
}
return(true);
}
private void CloseOutput(FractionUInt32? averageFrameRate)
{
if (_videoWriter != null)
{
_videoWriter.Finish(averageFrameRate ?? new FractionUInt32(25, 1));
_videoWriter = null;
}
if (_audioWriter != null)
{
_audioWriter.Dispose();
_audioWriter = null;
}
}
public WasapiRecorder(Stream stream, int sampleRate, int bitRate, int channels, EncodingFormat format, int preset)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (channels != 1 && channels != 2)
{
throw new ArgumentException(string.Format("Unsupported number of channels {0}", channels), "channels");
}
if (bitRate != 16)
{
throw new ArgumentException(string.Format("Unsupported PCM sample size {0}", bitRate), "bitRate");
}
if (sampleRate < 8000 || sampleRate > 48000)
{
throw new ArgumentException(string.Format("Unsupported Sample Rate {0}", sampleRate), "sampleRate");
}
_stream = stream;
_sampleRate = sampleRate;
_bitRate = bitRate;
_channels = channels;
_format = format;
_preset = preset;
_capture = new AudioCapture();
_capture.SetCaptureFormat(_sampleRate, (ushort)_channels, (ushort)_bitRate);
_size = 0;
_duration = 0;
_state = RecorderState.Unknown;
if (_format == EncodingFormat.Wave)
{
_writer = new WaveWriter(_stream, _sampleRate, _bitRate, _channels);
}
else if (_format == EncodingFormat.MP3)
{
_writer = new Mp3Writer(_stream, _sampleRate, _bitRate, _channels, (LAMEPreset)_preset);
}
_timer = new DispatcherTimer();
_timer.Interval = TimeSpan.FromMilliseconds(33);
_timer.Tick += OnSampleReceived;
}
private bool ReadTag()
{
uint tagType, dataSize, timeStamp, streamID, mediaInfo;
byte[] data;
if ((_fileLength - _fileOffset) < 11)
{
return(false);
}
// Read tag header
tagType = ReadUInt8();
dataSize = ReadUInt24();
timeStamp = ReadUInt24();
timeStamp |= ReadUInt8() << 24;
streamID = ReadUInt24();
// Read tag data
if (dataSize == 0)
{
return(true);
}
if ((_fileLength - _fileOffset) < dataSize)
{
return(false);
}
mediaInfo = ReadUInt8();
dataSize -= 1;
data = ReadBytes((int)dataSize);
if (tagType == 0x8)
{ // Audio
if (_audioWriter == null)
{
_audioWriter = GetAudioWriter(mediaInfo);
_extractedAudio = !(_audioWriter is DummyAudioWriter);
}
_audioWriter.WriteChunk(data, timeStamp);
}
else if ((tagType == 0x9) && ((mediaInfo >> 4) != 5))
{ /* Video*/
}
return(true);
}
private async Task CloseOutput(bool disposing)
{
if (_audioWriter != null)
{
var isFinish = await _audioWriter.Finish();
if (disposing && (_audioWriter.FileName != null))
{
try
{
if (_fs != null)
{
_fs.Dispose();
_fs = null;
}
}
catch { }
}
_audioWriter = null;
}
}
private bool ReadTag() {
uint tagType, dataSize, timeStamp, streamID, mediaInfo;
byte[] data;
if ((_fileLength - _fileOffset) < 11) {
return false;
}
// Read tag header
tagType = ReadUInt8();
dataSize = ReadUInt24();
timeStamp = ReadUInt24();
timeStamp |= ReadUInt8() << 24;
streamID = ReadUInt24();
// Read tag data
if (dataSize == 0) {
return true;
}
if ((_fileLength - _fileOffset) < dataSize) {
return false;
}
mediaInfo = ReadUInt8();
dataSize -= 1;
data = ReadBytes((int)dataSize);
if (tagType == 0x8) { // Audio
if (_audioWriter == null) {
_audioWriter = _extractAudio ? GetAudioWriter(mediaInfo) : new DummyAudioWriter();
_extractedAudio = !(_audioWriter is DummyAudioWriter);
}
_audioWriter.WriteChunk(data, timeStamp);
}
else if ((tagType == 0x9) && ((mediaInfo >> 4) != 5)) { // Video
if (_videoWriter == null) {
_videoWriter = _extractVideo ? GetVideoWriter(mediaInfo) : new DummyVideoWriter();
_extractedVideo = !(_videoWriter is DummyVideoWriter);
}
if (_timeCodeWriter == null) {
string path = _outputPathBase + ".txt";
_timeCodeWriter = new TimeCodeWriter((_extractTimeCodes && CanWriteTo(path)) ? path : null);
_extractedTimeCodes = _extractTimeCodes;
}
_videoTimeStamps.Add(timeStamp);
_videoWriter.WriteChunk(data, timeStamp, (int)((mediaInfo & 0xF0) >> 4));
_timeCodeWriter.Write(timeStamp);
}
return true;
}
private void CloseOutput(FractionUInt32? averageFrameRate, bool disposing) {
if (_videoWriter != null) {
_videoWriter.Finish(averageFrameRate ?? new FractionUInt32(25, 1));
if (disposing && (_videoWriter.Path != null)) {
try { File.Delete(_videoWriter.Path); }
catch { }
}
_videoWriter = null;
}
if (_audioWriter != null) {
_audioWriter.Finish();
if (disposing && (_audioWriter.Path != null)) {
try { File.Delete(_audioWriter.Path); }
catch { }
}
_audioWriter = null;
}
if (_timeCodeWriter != null) {
_timeCodeWriter.Finish();
if (disposing && (_timeCodeWriter.Path != null)) {
try { File.Delete(_timeCodeWriter.Path); }
catch { }
}
_timeCodeWriter = null;
}
}
private bool ReadTag()
{
uint tagType, dataSize, timeStamp, streamID, mediaInfo;
byte[] data;
if ((_fileLength - _fileOffset) < 11)
{
return false;
}
// Read tag header
tagType = ReadUInt8();
dataSize = ReadUInt24();
timeStamp = ReadUInt24();
timeStamp |= ReadUInt8() << 24;
streamID = ReadUInt24();
// Read tag data
if (dataSize == 0)
{
return true;
}
if ((_fileLength - _fileOffset) < dataSize)
{
return false;
}
mediaInfo = ReadUInt8();
dataSize -= 1;
data = ReadBytes((int)dataSize);
if (tagType == 0x8)
{ // Audio
if (_audioWriter == null)
{
_audioWriter = _extractAudio ? GetAudioWriter(mediaInfo) : new DummyAudioWriter();
_extractedAudio = !(_audioWriter is DummyAudioWriter);
}
_audioWriter.WriteChunk(data, timeStamp);
}
return true;
}
private void CloseOutput(bool disposing)
{
if (_audioWriter != null)
{
_audioWriter.Finish();
if (disposing && (_audioWriter.Path != null))
{
try { File.Delete(_audioWriter.Path); }
catch { }
}
_audioWriter = null;
}
}
private bool ReadTag()
{
uint tagType, dataSize, timeStamp, mediaInfo;
if ((_fileLength - _fileOffset) < 11)
{
return false;
}
// Read tag header
tagType = ReadUInt8();
dataSize = ReadUInt24();
timeStamp = ReadUInt24();
timeStamp |= ReadUInt8() << 24;
ReadUInt24();
// Read tag data
if (dataSize == 0)
{
return true;
}
if ((_fileLength - _fileOffset) < dataSize)
{
return false;
}
mediaInfo = ReadUInt8();
dataSize -= 1;
byte[] data = ReadBytes((int)dataSize);
if (tagType == 0x8 && this.audioOutputStream != null)
{
// Audio
if (_audioWriter == null)
{
_audioWriter = this.GetAudioWriter(mediaInfo);
this.AudioFormat = this._audioWriter.AudioFormat;
}
_audioWriter.WriteChunk(data, timeStamp);
}
else if ((tagType == 0x9) && ((mediaInfo >> 4) != 5) && this.videoOutputStream != null)
{
// Video
if (_videoWriter == null)
{
_videoWriter = this.GetVideoWriter(mediaInfo);
this.VideoFormat = this._videoWriter.VideoFormat;
}
_videoTimeStamps.Add(timeStamp);
_videoWriter.WriteChunk(data, timeStamp, (int)((mediaInfo & 0xF0) >> 4));
}
return true;
}
private void CloseOutput(FractionUInt32? averageFrameRate)
{
if (_videoWriter != null)
{
_videoWriter.Finish(averageFrameRate ?? new FractionUInt32(25, 1));
_videoWriter = null;
}
if (_audioWriter != null)
{
_audioWriter.Dispose();
_audioWriter = null;
}
}
