mirror of
https://github.com/rosenbjerg/FFMpegCore.git
synced 2024-11-10 08:34:12 +01:00
parent
c691dba8e8
commit
105a9fd1f6
4 changed files with 12 additions and 11 deletions
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@ -17,7 +17,7 @@ public InputPipeArgument(IPipeSource writer) : base(PipeDirection.Out)
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Writer = writer;
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}
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public override string Text => $"{(!string.IsNullOrEmpty(Writer.Format) ? $"-f {Writer.Format} " : string.Empty)}-i \"{PipePath}\"";
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public override string Text => $"-y {Writer.GetStreamArguments()} -i \"{PipePath}\"";
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protected override async Task ProcessDataAsync(CancellationToken token)
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{
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@ -8,7 +8,7 @@ namespace FFMpegCore.Pipes
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/// </summary>
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public interface IPipeSource
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{
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string Format { get; }
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string GetStreamArguments();
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Task WriteAsync(System.IO.Stream outputStream, CancellationToken cancellationToken);
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}
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}
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@ -11,10 +11,9 @@ namespace FFMpegCore.Pipes
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/// </summary>
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public class RawVideoPipeSource : IPipeSource
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{
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public string StreamFormat { get; private set; } = null!;
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public int Width { get; private set; }
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public int Height { get; private set; }
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public string Format { get; private set; }
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public int FrameRate { get; set; } = 25;
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private bool _formatInitialized;
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private readonly IEnumerator<IVideoFrame> _framesEnumerator;
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@ -26,7 +25,7 @@ public RawVideoPipeSource(IEnumerator<IVideoFrame> framesEnumerator)
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public RawVideoPipeSource(IEnumerable<IVideoFrame> framesEnumerator) : this(framesEnumerator.GetEnumerator()) { }
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public string GetFormat()
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public string GetStreamArguments()
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{
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if (!_formatInitialized)
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{
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@ -36,14 +35,14 @@ public string GetFormat()
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if (!_framesEnumerator.MoveNext())
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throw new InvalidOperationException("Enumerator is empty, unable to get frame");
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}
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Format = _framesEnumerator.Current!.Format;
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StreamFormat = _framesEnumerator.Current!.Format;
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Width = _framesEnumerator.Current!.Width;
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Height = _framesEnumerator.Current!.Height;
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_formatInitialized = true;
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}
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return $"-f rawvideo -r {FrameRate} -pix_fmt {Format} -s {Width}x{Height}";
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return $"-f rawvideo -r {FrameRate} -pix_fmt {StreamFormat} -s {Width}x{Height}";
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}
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public async Task WriteAsync(System.IO.Stream outputStream, CancellationToken cancellationToken)
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@ -63,10 +62,10 @@ public async Task WriteAsync(System.IO.Stream outputStream, CancellationToken ca
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private void CheckFrameAndThrow(IVideoFrame frame)
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{
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if (frame.Width != Width || frame.Height != Height || frame.Format != Format)
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if (frame.Width != Width || frame.Height != Height || frame.Format != StreamFormat)
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throw new FFMpegException(FFMpegExceptionType.Operation, "Video frame is not the same format as created raw video stream\r\n" +
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$"Frame format: {frame.Width}x{frame.Height} pix_fmt: {frame.Format}\r\n" +
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$"Stream format: {Width}x{Height} pix_fmt: {Format}");
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$"Stream format: {Width}x{Height} pix_fmt: {StreamFormat}");
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}
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}
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}
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@ -10,13 +10,15 @@ public class StreamPipeSource : IPipeSource
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{
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public System.IO.Stream Source { get; }
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public int BlockSize { get; } = 4096;
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public string Format { get; }
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public string StreamFormat { get; } = string.Empty;
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public StreamPipeSource(System.IO.Stream source)
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{
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Source = source;
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}
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public string GetStreamArguments() => StreamFormat;
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public Task WriteAsync(System.IO.Stream outputStream, CancellationToken cancellationToken) => Source.CopyToAsync(outputStream, BlockSize, cancellationToken);
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}
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}
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