public IVideoFormat[] GetAvailableVideoFormats(ICamera target)
{
if (target is not WindowsCamera camera)
{
throw new ArgumentException("Provided ICamera object is not for this platform.",
target.ToString());
}
var camera_list = WindowsCapture.FindDevices();
if (camera.CameraIndex >= 0 && camera.CameraIndex < camera_list.Length)
{
var videoFormats = WindowsCapture.GetVideoFormat(camera.CameraIndex);
var genericVF = new IVideoFormat[videoFormats.Length];
for (var i = 0; i < genericVF.Length; i++)
{
var vf = videoFormats[i];
genericVF[i] = new WindowsVideoFormats(vf.SubType,
new PixelSize((int)vf.Size.Width, (int)vf.Size.Height), vf);
}
return(genericVF);
}
throw new ArgumentException("Specified camera is not available.", target.CameraName);
}
public async Task <bool> TryStartAsync(
ICamera targetCamera,
IVideoFormat targetVideoFormat,
Action <ICamera, IVideoFormat, ILockedFramebuffer> frameCallback)
{
return(false);
}
private void SetTranscodeParameters()
{
IVideoFormat videoFormat = Preview.VideoFormat;
IAudioFormat audioFormat = Preview.AudioFormat;
mediaComposer.addSourceFile(new File(Preview.File));
IMediaFile mediaFile = mediaComposer.getSourceFiles()[0];
var sourceFiles = mediaComposer.getSourceFiles();
if (sourceFiles.Count != 0)
{
double mul = Preview.Duration / 100;
long trimStartTime = (long)(Preview.SegmentStart * mul);
long trimStopTime = (long)(Preview.SegmentEnd * mul);
var sourceFile = sourceFiles[0];
sourceFile.addSegment(Segment.fromMicroSeconds(trimStartTime, trimStopTime));
}
ComboBoxItem framerateItem = (ComboBoxItem)FramerateSelect.SelectedItem;
String videoProfile = ((ComboBoxItem)ProfileSelect.SelectedItem).Content.ToString();
var match = Regex.Match(videoProfile, @"\(([0-9]+)x([0-9]+)\)");
uint width = uint.Parse(match.Groups[1].Value);
uint height = uint.Parse(match.Groups[2].Value);
uint framerate = uint.Parse(framerateItem.Content.ToString());
uint bitrate = (uint)(BitrateSelect.Value * 1000);
if (videoFormat != null)
{
var vFormat = new WinRtVideoFormat(videoMimeType, width, height)
{
bitrate = bitrate
};
vFormat.frameRate.Numerator = framerate;
vFormat.frameRate.Denominator = 1;
mediaComposer.setTargetVideoFormat(vFormat);
}
if (audioFormat != null)
{
var aFormat = new WinRtAudioFormat(audioMimeType)
{
bitrate = audioFormat.bitrate,
bitsPerSample = audioFormat.bitsPerSample,
channelCount = audioFormat.channelCount,
sampleRate = audioFormat.sampleRate
};
mediaComposer.setTargetAudioFormat(aFormat);
}
}
private void SetTranscodeParameters()
{
IVideoFormat videoFormat = Preview.VideoFormat;
IAudioFormat audioFormat = Preview.AudioFormat;
mediaComposer.addSourceFile(new File(Preview.File));
ComboBoxItem framerateItem = (ComboBoxItem)FramerateSelect.SelectedItem;
String videoProfile = ((ComboBoxItem)ProfileSelect.SelectedItem).Content.ToString();
var match = Regex.Match(videoProfile, @"\(([0-9]+)x([0-9]+)\)");
uint width = uint.Parse(match.Groups[1].Value);
uint height = uint.Parse(match.Groups[2].Value);
uint framerate = uint.Parse(framerateItem.Content.ToString());
uint bitrate = (uint)(BitrateSelect.Value * 1000);
if (videoFormat != null)
{
var vFormat = new WinRtVideoFormat(videoMimeType, width, height)
{
bitrate = bitrate
};
vFormat.frameRate.Numerator = framerate;
vFormat.frameRate.Denominator = 1;
mediaComposer.setTargetVideoFormat(vFormat);
}
if (audioFormat != null)
{
var aFormat = new WinRtAudioFormat(audioMimeType)
{
bitrate = audioFormat.bitrate,
bitsPerSample = audioFormat.bitsPerSample,
channelCount = audioFormat.channelCount,
sampleRate = audioFormat.sampleRate
};
mediaComposer.setTargetAudioFormat(aFormat);
}
for (int i = 0; i < EffectsMenu.Items.Count; ++i)
{
ToggleMenuFlyoutItem item = (ToggleMenuFlyoutItem)EffectsMenu.Items[i];
if (item.IsChecked)
{
mediaComposer.addVideoEffect(SamplesUtils.GetVideoEffectByName(item.Text));
}
}
}
protected void SetTranscodeParameters()
{
IVideoFormat videoFormat = Preview.VideoFormat;
IAudioFormat audioFormat = Preview.AudioFormat;
mediaComposer.addSourceFile(new File(Preview.File));
mediaComposer.addSourceFile(new File(Preview2.File));
ComboBoxItem framerateItem = (ComboBoxItem)FramerateSelect.SelectedItem;
String videoProfile = ((ComboBoxItem)ProfileSelect.SelectedItem).Content.ToString();
var match = Regex.Match(videoProfile, @"\(([0-9]+)x([0-9]+)\)");
uint width = uint.Parse(match.Groups[1].Value);
uint height = uint.Parse(match.Groups[2].Value);
uint framerate = uint.Parse(framerateItem.Content.ToString());
uint bitrate = (uint)(BitrateSelect.Value * 1000);
if (videoFormat != null)
{
var vFormat = new WinRtVideoFormat(videoMimeType, width, height)
{
bitrate = bitrate
};
vFormat.frameRate.Numerator = framerate;
vFormat.frameRate.Denominator = 1;
mediaComposer.setTargetVideoFormat(vFormat);
}
if (audioFormat != null)
{
var aFormat = new WinRtAudioFormat(audioMimeType)
{
bitrate = audioFormat.bitrate,
bitsPerSample = audioFormat.bitsPerSample,
channelCount = audioFormat.channelCount,
sampleRate = audioFormat.sampleRate
};
mediaComposer.setTargetAudioFormat(aFormat);
}
}
public void LoadVideoFile(IVideoFormat fileFormat)
{
VideoFormat = fileFormat;
}
private bool UpdateMediaInfo(MediaFileInfo mediaFileInfo) {
if (mediaFileInfo == null) {
return false;
}
string videoMimeType = "unknown";
string audioMimeType = "unknown";
videoFormat = mediaFileInfo.getVideoFormat();
audioFormat = mediaFileInfo.getAudioFormat();
try
{
videoMimeType = videoFormat.mimeType.asString();
}
catch (Exception)
{
videoFormat = null;
}
try
{
audioMimeType = audioFormat.mimeType.asString();
}
catch (Exception)
{
audioFormat = null;
}
if (videoFormat != null) {
float frameRate = videoFormat.frameRate.Numerator;
if (videoFormat.frameRate.Denominator != 0) {
frameRate /= videoFormat.frameRate.Denominator;
}
VideoCodecText.Text = videoMimeType;
ResolutionText.Text = String.Format("{0} x {1}", videoFormat.resolution.Width, videoFormat.resolution.Height);
FramerateText.Text = String.Format("{0}", frameRate);
BitrateVideoText.Text = String.Format("{0}", videoFormat.bitrate);
}
else {
ResolutionText.Text = "";
FramerateText.Text = "";
BitrateVideoText.Text = "";
}
if (audioFormat != null) {
AudioCodecText.Text = audioMimeType;
ChannelsText.Text = String.Format("{0}", audioFormat.channelCount);
SamplerateText.Text = String.Format("{0}", audioFormat.sampleRate);
BitspersampleText.Text = String.Format("{0}", audioFormat.bitsPerSample);
BitrateAudioText.Text = String.Format("{0}", audioFormat.bitrate);
}
if (videoFormat == null && audioFormat == null) {
return false;
}
Info.Visibility = Visibility.Visible;
return true;
}
private bool UpdateMediaInfo(MediaFileInfo mediaFileInfo)
{
if (mediaFileInfo == null)
{
return(false);
}
string videoMimeType = "unknown";
string audioMimeType = "unknown";
videoFormat = mediaFileInfo.getVideoFormat();
audioFormat = mediaFileInfo.getAudioFormat();
try
{
videoMimeType = videoFormat.mimeType.asString();
}
catch (Exception)
{
videoFormat = null;
}
try
{
audioMimeType = audioFormat.mimeType.asString();
}
catch (Exception)
{
audioFormat = null;
}
if (videoFormat != null)
{
float frameRate = videoFormat.frameRate.Numerator;
if (videoFormat.frameRate.Denominator != 0)
{
frameRate /= videoFormat.frameRate.Denominator;
}
VideoCodecText.Text = videoMimeType;
ResolutionText.Text = String.Format("{0} x {1}", videoFormat.resolution.Width, videoFormat.resolution.Height);
FramerateText.Text = String.Format("{0}", frameRate);
BitrateVideoText.Text = String.Format("{0}", videoFormat.bitrate);
}
else
{
ResolutionText.Text = "";
FramerateText.Text = "";
BitrateVideoText.Text = "";
}
if (audioFormat != null)
{
AudioCodecText.Text = audioMimeType;
ChannelsText.Text = String.Format("{0}", audioFormat.channelCount);
SamplerateText.Text = String.Format("{0}", audioFormat.sampleRate);
BitspersampleText.Text = String.Format("{0}", audioFormat.bitsPerSample);
BitrateAudioText.Text = String.Format("{0}", audioFormat.bitrate);
}
if (videoFormat == null && audioFormat == null)
{
return(false);
}
Info.Visibility = Visibility.Visible;
return(true);
}
