mirror of
https://github.com/rosenbjerg/FFMpegCore.git
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f9f7161686
* Move PosterWithAudio to FFMpegCore * Reduce windows only tests * Update Directory.Build.props * Create .editorconfig * More cleanup * Enable implicit usings * Remove unused method * Apply dotnet format * Fix unused variable in AudioGateArgument * Fix boolean conditions in AudioGateArgument * Merge boolean conditions into pattern * Use target-typed new * Add linting to CI * Add CUDA to HardwareAccelerationDevice enum * Increase timeout for Video_Join_Image_Sequence * Adjust Video_Join_Image_Sequence timeout * Fix expected seconds in Video_Join_Image_Sequence * Increase timeout for Video_TranscodeToMemory due to macos agents
56 lines
2.8 KiB
C#
56 lines
2.8 KiB
C#
using System.Drawing;
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using FFMpegCore.Pipes;
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namespace FFMpegCore.Extensions.System.Drawing.Common
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{
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public static class FFMpegImage
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{
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/// <summary>
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/// Saves a 'png' thumbnail to an in-memory bitmap
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/// </summary>
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/// <param name="input">Source video file.</param>
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/// <param name="captureTime">Seek position where the thumbnail should be taken.</param>
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/// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
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/// <param name="streamIndex">Selected video stream index.</param>
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/// <param name="inputFileIndex">Input file index</param>
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/// <returns>Bitmap with the requested snapshot.</returns>
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public static Bitmap Snapshot(string input, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null, int inputFileIndex = 0)
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{
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var source = FFProbe.Analyse(input);
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var (arguments, outputOptions) = SnapshotArgumentBuilder.BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
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using var ms = new MemoryStream();
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arguments
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.OutputToPipe(new StreamPipeSink(ms), options => outputOptions(options
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.ForceFormat("rawvideo")))
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.ProcessSynchronously();
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ms.Position = 0;
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using var bitmap = new Bitmap(ms);
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return bitmap.Clone(new Rectangle(0, 0, bitmap.Width, bitmap.Height), bitmap.PixelFormat);
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}
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/// <summary>
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/// Saves a 'png' thumbnail to an in-memory bitmap
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/// </summary>
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/// <param name="input">Source video file.</param>
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/// <param name="captureTime">Seek position where the thumbnail should be taken.</param>
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/// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
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/// <param name="streamIndex">Selected video stream index.</param>
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/// <param name="inputFileIndex">Input file index</param>
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/// <returns>Bitmap with the requested snapshot.</returns>
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public static async Task<Bitmap> SnapshotAsync(string input, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null, int inputFileIndex = 0)
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{
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var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
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var (arguments, outputOptions) = SnapshotArgumentBuilder.BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
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using var ms = new MemoryStream();
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await arguments
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.OutputToPipe(new StreamPipeSink(ms), options => outputOptions(options
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.ForceFormat("rawvideo")))
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.ProcessAsynchronously();
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ms.Position = 0;
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return new Bitmap(ms);
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}
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}
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}
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