private void RefreshSourcesAsync()
{
btnRefreshSources.Enabled = false;
DirectShowDevices devices = null;
TaskEx.Run(() =>
{
using (FFmpegHelper ffmpeg = new FFmpegHelper(Options))
{
devices = ffmpeg.GetDirectShowDevices();
}
},
() =>
{
cboVideoSource.Items.Clear();
cboVideoSource.Items.Add(FFmpegHelper.SourceNone);
cboVideoSource.Items.Add(FFmpegHelper.SourceGDIGrab);
cboAudioSource.Items.Clear();
cboAudioSource.Items.Add(FFmpegHelper.SourceNone);
if (devices != null)
{
cboVideoSource.Items.AddRange(devices.VideoDevices.ToArray());
cboAudioSource.Items.AddRange(devices.AudioDevices.ToArray());
}
cboVideoSource.Text = Options.FFmpeg.VideoSource;
cboAudioSource.Text = Options.FFmpeg.AudioSource;
btnRefreshSources.Enabled = true;
});
}
private async Task RefreshSourcesAsync(bool selectDevices = false)
{
btnRefreshSources.Enabled = false;
DirectShowDevices devices = null;
await Task.Run(() =>
{
if (File.Exists(Options.FFmpeg.FFmpegPath))
{
using (FFmpegCLIManager ffmpeg = new FFmpegCLIManager(Options.FFmpeg.FFmpegPath))
{
devices = ffmpeg.GetDirectShowDevices();
}
}
});
if (!IsDisposed)
{
cboVideoSource.Items.Clear();
cboVideoSource.Items.Add(FFmpegCLIManager.SourceNone);
cboVideoSource.Items.Add(FFmpegCLIManager.SourceGDIGrab);
cboAudioSource.Items.Clear();
cboAudioSource.Items.Add(FFmpegCLIManager.SourceNone);
if (devices != null)
{
cboVideoSource.Items.AddRange(devices.VideoDevices.ToArray());
cboAudioSource.Items.AddRange(devices.AudioDevices.ToArray());
}
if (selectDevices && cboVideoSource.Items.Contains(FFmpegCLIManager.SourceVideoDevice))
{
Options.FFmpeg.VideoSource = FFmpegCLIManager.SourceVideoDevice;
}
else if (!cboVideoCodec.Items.Contains(Options.FFmpeg.VideoSource))
{
Options.FFmpeg.VideoSource = FFmpegCLIManager.SourceGDIGrab;
}
cboVideoSource.Text = Options.FFmpeg.VideoSource;
if (selectDevices && cboAudioSource.Items.Contains(FFmpegCLIManager.SourceAudioDevice))
{
Options.FFmpeg.AudioSource = FFmpegCLIManager.SourceAudioDevice;
}
else if (!cboAudioSource.Items.Contains(Options.FFmpeg.AudioSource))
{
Options.FFmpeg.AudioSource = FFmpegCLIManager.SourceNone;
}
cboAudioSource.Text = Options.FFmpeg.AudioSource;
btnRefreshSources.Enabled = true;
}
}
public DirectShowDevices GetDirectShowDevices()
{
DirectShowDevices devices = new DirectShowDevices();
if (File.Exists(Options.FFmpeg.FFmpegPath))
{
string arg = "-list_devices true -f dshow -i dummy";
Open(Options.FFmpeg.FFmpegPath, arg);
string output = Output.ToString();
string[] lines = output.Lines();
bool isVideo = true;
Regex regex = new Regex("\\[dshow @ \\w+\\] \"(.+)\"", RegexOptions.Compiled | RegexOptions.CultureInvariant);
foreach (string line in lines)
{
if (line.EndsWith("] DirectShow video devices", StringComparison.InvariantCulture))
{
isVideo = true;
continue;
}
if (line.EndsWith("] DirectShow audio devices", StringComparison.InvariantCulture))
{
isVideo = false;
continue;
}
Match match = regex.Match(line);
if (match.Success)
{
string value = match.Groups[1].Value;
if (isVideo)
{
devices.VideoDevices.Add(value);
}
else
{
devices.AudioDevices.Add(value);
}
}
}
}
return devices;
}
public DirectShowDevices GetDirectShowDevices()
{
DirectShowDevices devices = new DirectShowDevices();
if (File.Exists(Options.FFmpeg.FFmpegPath))
{
string arg = "-list_devices true -f dshow -i dummy";
Open(Options.FFmpeg.FFmpegPath, arg);
string output = Output.ToString();
string[] lines = output.Lines();
bool isVideo = true;
Regex regex = new Regex("\\[dshow @ \\w+\\] \"(.+)\"", RegexOptions.Compiled | RegexOptions.CultureInvariant);
foreach (string line in lines)
{
if (line.EndsWith("] DirectShow video devices", StringComparison.InvariantCulture))
{
isVideo = true;
continue;
}
if (line.EndsWith("] DirectShow audio devices", StringComparison.InvariantCulture))
{
isVideo = false;
continue;
}
Match match = regex.Match(line);
if (match.Success)
{
string value = match.Groups[1].Value;
if (isVideo)
{
devices.VideoDevices.Add(value);
}
else
{
devices.AudioDevices.Add(value);
}
}
}
}
return devices;
}
