| public Encode ( string sourcePath, string destPathWithoutExtension, IProgress progress ) : void | ||
| sourcePath | string | |
| destPathWithoutExtension | string | |
| progress | IProgress | |
| return | void | |
private void Recorder_Stopped(IAudioRecorder arg1, ErrorEventArgs arg2)
{
Recorder.Stopped -= Recorder_Stopped;
Directory.CreateDirectory(System.IO.Path.GetDirectoryName(PathToCurrentAudioSegment)); // make sure audio directory exists
int millisecondsToTrimFromEndForMouseClick = 100;
try
{
var minimum = TimeSpan.FromMilliseconds(300); // this is arbitrary
AudioRecorder.TrimWavFile(PathToTemporaryWav, PathToCurrentAudioSegment, new TimeSpan(), TimeSpan.FromMilliseconds(millisecondsToTrimFromEndForMouseClick), minimum);
RobustFile.Delete(PathToTemporaryWav); // Otherwise, these continue to clutter up the temp directory.
}
catch (Exception error)
{
Logger.WriteEvent(error.Message);
RobustFile.Copy(PathToTemporaryWav, PathToCurrentAudioSegment, true);
}
//We don't actually need the mp3 now, so let people play with recording even without LAME (previously it could crash BL-3159).
//We could put this off entirely until we make the ePUB.
//I'm just gating this for now because maybe the thought was that it's better to do it a little at a time?
//That's fine so long as it doesn't make the UI unresponsive on slow machines.
if (LameEncoder.IsAvailable())
{
_mp3Encoder.Encode(PathToCurrentAudioSegment, PathToCurrentAudioSegment.Substring(0, PathToCurrentAudioSegment.Length - 4), new NullProgress());
// Note: we need to keep the .wav file as well as the mp3 one. The mp3 format (or alternative mp4)
// is required for ePUB. The wav file is a better permanent record of the recording; also,
// it is used for playback.
}
}
private void Recorder_Stopped(IAudioRecorder arg1, ErrorEventArgs arg2)
{
Recorder.Stopped -= Recorder_Stopped;
Directory.CreateDirectory(System.IO.Path.GetDirectoryName(PathToRecordableAudioForCurrentSegment)); // make sure audio directory exists
try
{
var minimum = TimeSpan.FromMilliseconds(300); // this is arbitrary
AudioRecorder.TrimWavFile(PathToTemporaryWav, PathToRecordableAudioForCurrentSegment, new TimeSpan(), TimeSpan.FromMilliseconds(_collectionAudioTrimEndMilliseconds), minimum);
RobustFile.Delete(PathToTemporaryWav); // Otherwise, these continue to clutter up the temp directory.
}
catch (Exception error)
{
Logger.WriteEvent(error.Message);
RobustFile.Copy(PathToTemporaryWav, PathToRecordableAudioForCurrentSegment, true);
}
//We could put this off entirely until we make the ePUB.
//I'm just gating this for now because maybe the thought was that it's better to do it a little at a time?
//That's fine so long as it doesn't make the UI unresponsive on slow machines.
var mp3Path = _mp3Encoder.Encode(PathToRecordableAudioForCurrentSegment);
// Got a good new recording, can safely clean up all backups related to old one.
foreach (var path in Directory.EnumerateFiles(
Path.GetDirectoryName(PathToRecordableAudioForCurrentSegment),
Path.GetFileNameWithoutExtension(PathToRecordableAudioForCurrentSegment) + "*" + ".bak"))
{
RobustFile.Delete(path);
}
// BL-7617 Don't keep .wav file after .mp3 is created successfully.
if (!string.IsNullOrEmpty(mp3Path) && File.Exists(mp3Path))
{
RobustFile.Delete(PathToRecordableAudioForCurrentSegment);
}
_completingRecording.Set(); // will release HandleAudioFileRequest if it is waiting.
}