private void EndpointVideoStreamAdded(IEndpoint sender, EndpointRemoteVideoStreamAddedEventArgs e)
{
_remoteVideoStream = e.VideoStream;
Debug.Log($"Remote added: {_remoteVideoStream.StreamId}");
_remoteVideoStream.VideoStreamChanged += OnVideoStreamChanged;
_remoteVideoStream.AddRenderer(_remote.material);
}
// identifies the resolution of a video using `ffmpeg`
// @param video_path (String) the path to the video file
// @return [Array] the resolution of the video
public static int[] VideoResolution(string videoPath)
{
IMediaInfo mediaInfo = Task.Run(async() => await MediaInfo.Get(videoPath)).Result;
IVideoStream videoStream = mediaInfo.VideoStreams.FirstOrDefault();
return(new int[] { videoStream.Width, videoStream.Height });
}
private void CallVideoStreamAdded(ICall sender, CallLocalVideoStreamAddedEventArgs e)
{
_localVideoStream = e.VideoStream;
Debug.Log($"Local added: {_localVideoStream.StreamId}");
_localVideoStream.VideoStreamChanged += OnVideoStreamChanged;
_localVideoStream.AddRenderer(_local.material);
}
public async Task MultipleWatermarkTest()
{
IMediaInfo inputFile = await MediaInfo.Get(Resources.MkvWithAudio).ConfigureAwait(false);
string outputPath = Path.ChangeExtension(Path.GetTempFileName(), FileExtensions.Mp4);
IVideoStream stream = inputFile.VideoStreams.First()
.SetWatermark(Resources.PngSample, Position.UpperRight, new TimeSpan(), TimeSpan.FromSeconds(3))
.SetWatermark(Resources.PngSample, Position.Center, TimeSpan.FromSeconds(3), TimeSpan.FromSeconds(5))
.SetWatermark(Resources.PngSample, Position.BottomLeft, TimeSpan.FromSeconds(5), inputFile.Duration);
IConversionResult conversionResult = await Conversion.New()
.SetPreset(ConversionPreset.UltraFast)
.AddStream(stream)
.SetOutput(outputPath)
.Start().ConfigureAwait(false);
Assert.True(conversionResult.Success);
Assert.True(3 == conversionResult.Arguments.Split(' ').Where(x => x.Contains("overlay")).Count());
Assert.Contains(Resources.PngSample, conversionResult.Arguments);
IMediaInfo mediaInfo = await MediaInfo.Get(outputPath).ConfigureAwait(false);
Assert.Equal(TimeSpan.FromSeconds(9), mediaInfo.Duration);
Assert.Equal("h264", mediaInfo.VideoStreams.First().Format);
Assert.False(mediaInfo.AudioStreams.Any());
}
public async Task PropertiesTest()
{
IMediaInfo mediaInfo = await MediaInfo.Get(Resources.Mp4WithAudio).ConfigureAwait(false);
Assert.True(File.Exists(mediaInfo.FileInfo.FullName));
Assert.Equal(FileExtensions.Mp4, mediaInfo.FileInfo.Extension);
Assert.Equal("input.mp4", mediaInfo.FileInfo.Name);
Assert.Single(mediaInfo.AudioStreams);
IAudioStream audioStream = mediaInfo.AudioStreams.First();
Assert.NotNull(audioStream);
Assert.Equal("aac", audioStream.Format);
Assert.Equal(TimeSpan.FromSeconds(13), audioStream.Duration);
Assert.Single(mediaInfo.VideoStreams);
IVideoStream videoStream = mediaInfo.VideoStreams.First();
Assert.NotNull(videoStream);
Assert.Equal(25, videoStream.FrameRate);
Assert.Equal(720, videoStream.Height);
Assert.Equal(1280, videoStream.Width);
Assert.Equal("16:9", videoStream.Ratio);
Assert.Equal("h264", videoStream.Format);
Assert.Equal(TimeSpan.FromSeconds(13), videoStream.Duration);
Assert.Equal(TimeSpan.FromSeconds(13), mediaInfo.Duration);
Assert.Equal(2107842, mediaInfo.Size);
}
// Outputs a video file as images of every individual frame in the specified directory
public static async Task <IConversionResult> ConvertToImageSequence(string inputPath, string outputPath, TimeSpan startTime,
TimeSpan endTime, int frameWidth, int frameHeight, double fps, CancellationTokenSource cts, Action <double> onProgress)
{
// Reads in the video file
IMediaInfo info = await FFmpeg.GetMediaInfo(inputPath).ConfigureAwait(false);
IVideoStream videoStream = info.VideoStreams.First();
// Prepares for converting every video frame to an image
IConversion conversion = FFmpeg.Conversions.New()
.AddStream(videoStream)
.AddParameter($"-ss {startTime}", ParameterPosition.PreInput)
.AddParameter($"-to {endTime}")
.AddParameter($"-s {frameWidth}x{frameHeight}")
.AddParameter("-q:v 3")
.SetFrameRate(fps)
.SetVideoSyncMethod(VideoSyncMethod.cfr)
.SetOutput(Path.Join(outputPath, "%d.jpg"));
// Notifies the calling location on the progress of converting
conversion.OnProgress += (sender, args) =>
{
double percent = Math.Round(args.Duration.TotalSeconds / endTime.TotalSeconds * 100, 2);
onProgress(percent);
};
// Starts and awaits the conversion while giving it a cancellation token so it can be stopped at will
return(await conversion.Start(cts.Token));
}
public async Task SetHashFormatTest(Hash hashFormat, long expectedLength)
{
string fileExtension = FileExtensions.Txt;
if (hashFormat == Hash.SHA256)
{
fileExtension = FileExtensions.Sha256;
}
string output = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + fileExtension);
IMediaInfo info = await FFmpeg.GetMediaInfo(Resources.MkvWithAudio);
IVideoStream videoStream = info.VideoStreams.First()?.SetCodec(VideoCodec.copy);
IAudioStream audioStream = info.AudioStreams.First()?.SetCodec(AudioCodec.copy);
IConversionResult conversionResult = await FFmpeg.Conversions.New()
.AddStream(videoStream)
.AddStream(audioStream)
.SetOutputFormat(Format.hash)
.SetHashFormat(hashFormat)
.SetOutput(output)
.Start();
FileInfo fi = new FileInfo(output);
Assert.Equal(fileExtension, fi.Extension);
Assert.Equal(expectedLength, fi.Length);
}
public async Task PropertiesTest()
{
IMediaInfo mediaInfo = await FFmpeg.GetMediaInfo(Resources.Mp4WithAudio);
Assert.True(File.Exists(mediaInfo.Path));
Assert.Equal(FileExtensions.Mp4, Path.GetExtension(mediaInfo.Path));
Assert.EndsWith("input.mp4", mediaInfo.Path);
Assert.Single(mediaInfo.AudioStreams);
IAudioStream audioStream = mediaInfo.AudioStreams.First();
Assert.NotNull(audioStream);
Assert.Equal("aac", audioStream.Codec);
Assert.Equal(TimeSpan.FromSeconds(13), audioStream.Duration);
Assert.Single(mediaInfo.VideoStreams);
IVideoStream videoStream = mediaInfo.VideoStreams.First();
Assert.NotNull(videoStream);
Assert.Equal(25, videoStream.Framerate);
Assert.Equal(720, videoStream.Height);
Assert.Equal(1280, videoStream.Width);
Assert.Equal("16:9", videoStream.Ratio);
Assert.Equal("h264", videoStream.Codec);
Assert.Equal(TimeSpan.FromSeconds(13), videoStream.Duration);
Assert.Equal(TimeSpan.FromSeconds(13), mediaInfo.Duration);
Assert.Equal(2107842, mediaInfo.Size);
}
public async Task MkvPropertiesTest()
{
IMediaInfo mediaInfo = await FFmpeg.GetMediaInfo(Resources.MkvWithAudio);
Assert.True(File.Exists(mediaInfo.Path));
Assert.Equal(FileExtensions.Mkv, Path.GetExtension(mediaInfo.Path));
Assert.EndsWith("SampleVideo_360x240_1mb.mkv", mediaInfo.Path);
Assert.Single(mediaInfo.AudioStreams);
IAudioStream audioStream = mediaInfo.AudioStreams.First();
Assert.NotNull(audioStream);
Assert.Equal("aac", audioStream.Codec);
Assert.Equal(1, audioStream.Index);
Assert.Equal(TimeSpan.FromSeconds(9), audioStream.Duration);
Assert.Single(mediaInfo.VideoStreams);
IVideoStream videoStream = mediaInfo.VideoStreams.First();
Assert.NotNull(videoStream);
Assert.Equal(0, videoStream.Index);
Assert.Equal(25, videoStream.Framerate);
Assert.Equal(240, videoStream.Height);
Assert.Equal(320, videoStream.Width);
Assert.Equal("4:3", videoStream.Ratio);
Assert.Equal("h264", videoStream.Codec);
Assert.Equal(TimeSpan.FromSeconds(9), videoStream.Duration);
Assert.Equal(TimeSpan.FromSeconds(9), mediaInfo.Duration);
Assert.Equal(1055721, mediaInfo.Size);
}
public async Task SetHashFormatTest(string hashFormat, long expectedLength)
{
string fileExtension = string.Empty;
if (hashFormat == "SHA256")
{
fileExtension = FileExtensions.Sha256;
}
else
{
fileExtension = FileExtensions.Txt;
}
string output = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + fileExtension);
IMediaInfo info = await MediaInfo.Get(Resources.MkvWithAudio).ConfigureAwait(false);
IVideoStream videoStream = info.VideoStreams.First()?.SetCodec(VideoCodec.Copy);
IAudioStream audioStream = info.AudioStreams.First()?.SetCodec(AudioCodec.Copy);
IConversionResult conversionResult = await Conversion.New()
.AddStream(videoStream)
.AddStream(audioStream)
.SetOutputFormat(MediaFormat.Hash)
.SetHashFormat(new HashFormat(hashFormat))
.SetOutput(output)
.Start().ConfigureAwait(false);
Assert.True(conversionResult.Success);
System.IO.FileInfo fi = new System.IO.FileInfo(output);
Assert.Equal(fileExtension, fi.Extension);
Assert.Equal(expectedLength, fi.Length);
}
public VideoScalingStream(IVideoStream source, int width, int height, PixelFormat pixelFormat)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
m_source = source;
m_width = width;
m_height = height;
m_pixelFormat = pixelFormat;
m_scalingContext = FFmpeg.sws_getContext(source.Width, source.Height, source.PixelFormat,
width, height, pixelFormat, SwsFlags.Bicubic, null, null, null);
if (m_scalingContext == null)
{
throw new DecoderException("Error getting scaling context");
}
if (FFmpeg.avpicture_alloc(out m_outPict, this.PixelFormat, this.Width, this.Height) != 0)
{
throw new DecoderException("Error allocating AVPicture");
}
m_outPictAllocated = true;
}
public StreamCapture(CancellationToken camToken)
{
LogUtil.WriteInc("Initializing stream capture.");
_targets = new List <VectorOfPoint>();
SetCapVars();
_vc = GetStream();
_vc.Start(camToken);
}
public async Task GetVideoBitrateTest()
{
IMediaInfo info = await FFmpeg.GetMediaInfo(Resources.MkvWithAudio);
IVideoStream videoStream = info.VideoStreams.First();
Assert.Equal(860233, videoStream.Bitrate);
}
public async Task GetVideoBitrateTest()
{
IMediaInfo info = await MediaInfo.Get(Resources.MkvWithAudio).ConfigureAwait(false);
IVideoStream videoStream = info.VideoStreams.First();
Assert.Equal(860233, videoStream.Bitrate);
}
private static string GetOutputArgs(IVideoStream codecToAdd, IAudioStream audio,
string suffix, string destDir, int threadsPerStream)
{
string newFileName = $"{suffix}.mp4";
string outPath = Path.Combine(destDir, newFileName);
return($" {codecToAdd.Build()} {audio?.Build()} -threads {threadsPerStream} \"{outPath}\" ");
}
public async Task CalculateFramerate_SloMoVideo_CorrectFramerateIsReturned()
{
IMediaInfo info = await FFmpeg.GetMediaInfo(Resources.SloMoMp4);
IVideoStream videoStream = info.VideoStreams.First();
Assert.Equal(116.244, videoStream.Framerate);
Assert.Equal(TimeSpan.FromSeconds(3), videoStream.Duration);
}
public async Task CalculateFramerate_SloMoVideo_CorrectFramerateIsReturned()
{
IMediaInfo info = await FFmpeg.GetMediaInfo(Resources.SloMoMp4);
IVideoStream videoStream = info.VideoStreams.First();
// It does not has to be the same
Assert.Equal(116, (int)videoStream.Framerate);
Assert.Equal(3, videoStream.Duration.Seconds);
}
public static IConversion ExtractVideo(string inputPath, string outputPath)
{
IMediaInfo info = FFmpeg.GetMediaInfo(inputPath).GetAwaiter().GetResult();
IVideoStream videoStream = info.VideoStreams.FirstOrDefault();
return(New()
.AddStream(videoStream)
.SetOutput(outputPath));
}
/// <summary>
/// Extract video from file
/// </summary>
/// <param name="inputPath">Input path</param>
/// <param name="outputPath">Output audio stream</param>
/// <returns>Conversion result</returns>
public static IConversion ExtractVideo(string inputPath, string outputPath)
{
IMediaInfo info = AsyncHelper.RunSync(() => MediaInfo.Get(inputPath));
IVideoStream videoStream = info.VideoStreams.FirstOrDefault();
return(New()
.AddStream(videoStream)
.SetOutput(outputPath));
}
/// <summary>
/// Convert image video stream to gif
/// </summary>
/// <param name="inputPath">Input path</param>
/// <param name="outputPath">Output path</param>
/// <param name="loop">Number of repeats</param>
/// <param name="delay">Delay between repeats (in seconds)</param>
/// <returns>Conversion result</returns>
public static IConversion ToGif(string inputPath, string outputPath, int loop, int delay = 0)
{
IMediaInfo info = AsyncHelper.RunSync(() => MediaInfo.Get(inputPath));
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
?.SetLoop(loop, delay);
return(New()
.AddStream(videoStream)
.SetOutput(outputPath));
}
/// <summary>
/// Convert image video stream to gif
/// </summary>
/// <param name="inputPath">Input path</param>
/// <param name="outputPath">Output path</param>
/// <param name="loop">Number of repeats</param>
/// <param name="delay">Delay between repeats (in seconds)</param>
/// <returns>Conversion result</returns>
internal static IConversion ToGif(string inputPath, string outputPath, int loop, int delay = 0)
{
IMediaInfo info = FFmpeg.GetMediaInfo(inputPath).GetAwaiter().GetResult();
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
?.SetLoop(loop, delay);
return(New()
.AddStream(videoStream)
.SetOutput(outputPath));
}
private TimeSpan GetSnapshotTime(GeneratePreviewAction action, IVideoStream stream)
{
if (action.TimeOfSnapshot.HasValue)
{
return(action.TimeOfSnapshot.Value);
}
var snapshotTime = stream.Duration.TotalMilliseconds / 5;
return(TimeSpan.FromMilliseconds(snapshotTime));
}
public async Task UnknownDecoderException()
{
string output = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + FileExtensions.Mp4);
IMediaInfo info = await MediaInfo.Get(Resources.MkvWithAudio).ConfigureAwait(false);
IVideoStream videoStream = info.VideoStreams.First()?.SetCodec(VideoCodec.Mpeg4);
await Assert.ThrowsAsync <UnknownDecoderException>(async() =>
{
await Conversion.Convert(Resources.MkvWithAudio, output).UseHardwareAcceleration(HardwareAccelerator.Auto, VideoCodec.H264_nvenc, VideoCodec.H264_cuvid).Start().ConfigureAwait(false);
}).ConfigureAwait(false);
}
public static IConversion SetWatermark(string inputPath, string outputPath, string inputImage, Position position)
{
IMediaInfo info = FFmpeg.GetMediaInfo(inputPath).GetAwaiter().GetResult();
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
.SetWatermark(inputImage, position);
return(New()
.AddStream(videoStream)
.AddStream(info.AudioStreams.ToArray())
.SetOutput(outputPath));
}
/// <summary>
/// Saves snapshot of video
/// </summary>
/// <param name="inputPath">Video</param>
/// <param name="outputPath">Output file</param>
/// <param name="captureTime">TimeSpan of snapshot</param>
/// <returns>Conversion result</returns>
public static IConversion Snapshot(string inputPath, string outputPath, TimeSpan captureTime)
{
IMediaInfo info = AsyncHelper.RunSync(() => MediaInfo.Get(inputPath));
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
.SetOutputFramesCount(1)
.SetSeek(captureTime);
return(New()
.AddStream(videoStream)
.SetOutput(outputPath));
}
/// <summary>
/// Melt watermark into video
/// </summary>
/// <param name="inputPath">Input video path</param>
/// <param name="outputPath">Output file</param>
/// <param name="inputImage">Watermark</param>
/// <param name="position">Position of watermark</param>
/// <returns>Conversion result</returns>
public static IConversion SetWatermark(string inputPath, string outputPath, string inputImage, Position position)
{
IMediaInfo info = AsyncHelper.RunSync(() => MediaInfo.Get(inputPath));
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
.SetWatermark(inputImage, position);
return(New()
.AddStream(videoStream)
.AddStream(info.AudioStreams.ToArray())
.SetOutput(outputPath));
}
/// <summary>
/// Add subtitles to video stream
/// </summary>
/// <param name="inputPath">Video</param>
/// <param name="outputPath">Output file</param>
/// <param name="subtitlesPath">Subtitles</param>
/// <returns>Conversion result</returns>
public static IConversion AddSubtitles(string inputPath, string outputPath, string subtitlesPath)
{
IMediaInfo info = AsyncHelper.RunSync(() => MediaInfo.Get(inputPath));
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
?.AddSubtitles(subtitlesPath);
return(New()
.AddStream(videoStream)
.AddStream(info.AudioStreams.FirstOrDefault())
.SetOutput(outputPath));
}
/// <summary>
/// Add subtitles to video stream
/// </summary>
/// <param name="inputPath">Video</param>
/// <param name="outputPath">Output file</param>
/// <param name="subtitlesPath">Subtitles</param>
/// <returns>Conversion result</returns>
internal static IConversion AddSubtitles(string inputPath, string outputPath, string subtitlesPath)
{
IMediaInfo info = FFmpeg.GetMediaInfo(inputPath).GetAwaiter().GetResult();
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
?.AddSubtitles(subtitlesPath);
return(New()
.AddStream(videoStream)
.AddStream(info.AudioStreams.FirstOrDefault())
.SetOutput(outputPath));
}
public static IConversion Snapshot(string inputPath, string outputPath, TimeSpan captureTime)
{
IMediaInfo info = FFmpeg.GetMediaInfo(inputPath).GetAwaiter().GetResult();
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
.SetOutputFramesCount(1)
.SetSeek(captureTime);
return(New()
.AddStream(videoStream)
.SetOutput(outputPath));
}
public static IConversion ChangeSize(string inputPath, string outputPath, int width, int height)
{
IMediaInfo info = FFmpeg.GetMediaInfo(inputPath).GetAwaiter().GetResult();
IVideoStream videoStream = info.VideoStreams.FirstOrDefault()
.SetSize(width, height);
return(New()
.AddStream(videoStream)
.AddStream(info.AudioStreams.ToArray())
.AddStream(info.SubtitleStreams.ToArray())
.SetOutput(outputPath));
}
public VideoScalingStream(IVideoStream source, int width, int height, PixelFormat pixelFormat)
{
if (source == null)
throw new ArgumentNullException("source");
m_source = source;
m_width = width;
m_height = height;
m_pixelFormat = pixelFormat;
m_scalingContext = FFmpeg.sws_getContext(source.Width, source.Height, source.PixelFormat,
width, height, pixelFormat, SwsFlags.Bicubic, null, null, null);
if (m_scalingContext == null)
throw new DecoderException("Error getting scaling context");
if (FFmpeg.avpicture_alloc(out m_outPict, this.PixelFormat, this.Width, this.Height) !=0)
throw new DecoderException("Error allocating AVPicture");
m_outPictAllocated = true;
}