void ExtractAudio(ArcFile arc, Entry entry)
{
using (var file = arc.OpenBinaryEntry(entry))
using (var sound = AudioFormat.Read(file)) {
if (sound == null)
{
throw new InvalidFormatException("Unable to interpret audio format");
}
ConvertAudio(entry.Name, sound);
}
}
void ExtractAudio(ArcFile arc, Entry entry)
{
using (var file = arc.OpenBinaryEntry(entry))
using (var sound = AudioFormat.Read(file))
{
if (null == sound)
{
throw new InvalidFormatException(guiStrings.MsgUnableInterpretAudio);
}
ConvertAudio(entry.Name, sound);
}
}
static void ExtractAudio(ArcFile arc, Entry entry)
{
using (var file = arc.OpenEntry(entry))
using (var sound = AudioFormat.Read(file))
{
if (null == sound)
{
throw new InvalidFormatException(string.Format("{1}: {0}", guiStrings.MsgUnableInterpretAudio, entry.Name));
}
ConvertAudio(entry.Name, sound);
}
}
private void PlayFile(Entry entry)
{
SoundInput sound = null;
try
{
SetBusyState();
using (var input = VFS.OpenStream(entry))
{
FormatCatalog.Instance.LastError = null;
sound = AudioFormat.Read(input);
if (null == sound)
{
if (null != FormatCatalog.Instance.LastError)
{
throw FormatCatalog.Instance.LastError;
}
return;
}
if (AudioDevice != null)
{
AudioDevice.PlaybackStopped -= OnPlaybackStopped;
AudioDevice = null;
}
CurrentAudio = new WaveStreamImpl(sound);
AudioDevice = new WaveOutEvent();
AudioDevice.Init(CurrentAudio);
AudioDevice.PlaybackStopped += OnPlaybackStopped;
AudioDevice.Play();
var fmt = CurrentAudio.WaveFormat;
SetResourceText(string.Format("Playing {0} / {3} / {2}bps / {1}Hz", entry.Name,
fmt.SampleRate, sound.SourceBitrate / 1000,
CurrentAudio.TotalTime.ToString("m':'ss")));
}
}
catch (Exception X)
{
SetStatusText(X.Message);
if (null != sound)
{
sound.Dispose();
}
}
}
void ConvertAudio(string filename)
{
using (var file = BinaryStream.FromFile(filename))
using (var input = AudioFormat.Read(file))
{
if (null == input)
{
return;
}
string output_name = Path.GetFileName(filename);
var source_ext = Path.GetExtension(filename).TrimStart('.').ToLowerInvariant();
string source_format = input.SourceFormat;
if (CommonAudioFormats.Contains(source_format))
{
if (source_ext == source_format)
{
return;
}
output_name = Path.ChangeExtension(output_name, source_format);
using (var output = CreateNewFile(output_name))
{
input.Source.Position = 0;
input.Source.CopyTo(output);
}
}
else
{
if (source_ext == "wav")
{
return;
}
output_name = Path.ChangeExtension(output_name, "wav");
using (var output = CreateNewFile(output_name))
AudioFormat.Wav.Write(input, output);
}
}
}
