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Malte Rosenbjerg 2021-03-15 18:49:20 +01:00 committed by GitHub
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README.md
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@ -22,11 +22,11 @@ A .NET Standard FFMpeg/FFProbe wrapper for easily integrating media analysis and
FFProbe is used to gather media information:
```csharp
var mediaInfo = FFProbe.Analyse(inputFile);
var mediaInfo = FFProbe.Analyse(inputPath);
```
or
```csharp
var mediaInfo = await FFProbe.AnalyseAsync(inputFile);
var mediaInfo = await FFProbe.AnalyseAsync(inputPath);
```
@ -43,20 +43,19 @@ FFMpegArguments
.WithConstantRateFactor(21)
.WithAudioCodec(AudioCodec.Aac)
.WithVariableBitrate(4)
.WithFastStart()
.WithVideoFilters(filterOptions => filterOptions
.Scale(VideoSize.Hd))
.WithFastStart())
.ProcessSynchronously();
```
Easily capture screens from your videos:
```csharp
var mediaFileAnalysis = FFProbe.Analyse(inputPath);
// process the snapshot in-memory and use the Bitmap directly
var bitmap = FFMpeg.Snapshot(mediaFileAnalysis, new Size(200, 400), TimeSpan.FromMinutes(1));
var bitmap = FFMpeg.Snapshot(inputPath, new Size(200, 400), TimeSpan.FromMinutes(1));
// or persists the image on the drive
FFMpeg.Snapshot(mediaFileAnalysis, outputPath, new Size(200, 400), TimeSpan.FromMinutes(1))
FFMpeg.Snapshot(inputPath, outputPath, new Size(200, 400), TimeSpan.FromMinutes(1));
```
Convert to and/or from streams
@ -89,25 +88,25 @@ FFMpeg.JoinImageSequence(@"..\joined_video.mp4", frameRate: 1,
Mute videos:
```csharp
FFMpeg.Mute(inputFilePath, outputFilePath);
FFMpeg.Mute(inputPath, outputPath);
```
Save audio track from video:
```csharp
FFMpeg.ExtractAudio(inputVideoFilePath, outputAudioFilePath);
FFMpeg.ExtractAudio(inputPath, outputPath);
```
Add or replace audio track on video:
```csharp
FFMpeg.ReplaceAudio(inputVideoFilePath, inputAudioFilePath, outputVideoFilePath);
FFMpeg.ReplaceAudio(inputPath, inputAudioPath, outputPath);
```
Add poster image to audio file (good for youtube videos):
```csharp
FFMpeg.PosterWithAudio(inputImageFilePath, inputAudioFilePath, outputVideoFilePath);
FFMpeg.PosterWithAudio(inputPath, inputAudioPath, outputPath);
// or
var image = Image.FromFile(inputImageFile);
image.AddAudio(inputAudioFilePath, outputVideoFilePath);
var image = Image.FromFile(inputImagePath);
image.AddAudio(inputAudioPath, outputPath);
```
Other available arguments could be found in `FFMpegCore.Arguments` namespace.
@ -135,10 +134,11 @@ var videoFramesSource = new RawVideoPipeSource(CreateFrames(64)) //pass IEnumera
{
FrameRate = 30 //set source frame rate
};
FFMpegArguments
.FromPipeInput(videoFramesSource, <input_stream_options>)
.OutputToFile("temporary.mp4", false, <output_options>)
.ProcessSynchronously();
await FFMpegArguments
.FromPipeInput(videoFramesSource)
.OutputToFile(outputPath, false, options => options
.WithVideoCodec(VideoCodec.LibVpx))
.ProcessAsynchronously();
```
if you want to use `System.Drawing.Bitmap` as `IVideoFrame`, there is a `BitmapVideoFrameWrapper` wrapper class.
@ -179,13 +179,19 @@ If these folders are not defined, it will try to find the binaries in `/root/(ff
#### Option 1
The default value (`\\FFMPEG\\bin`) can be overwritten via the `FFMpegOptions` class:
The default value of an empty string (expecting ffmpeg to be found through PATH) can be overwritten via the `FFOptions` class:
```c#
public Startup()
{
// setting global options
GlobalFFOptions.Configure(new FFOptions { BinaryFolder = "./bin", TemporaryFilesFolder = "/tmp" });
}
// or
GlobalFFOptions.Configure(options => options.BinaryFolder = "./bin");
// or individual, per-run options
await FFMpegArguments
.FromFileInput(inputPath)
.OutputToFile(outputPath)
.ProcessAsynchronously(true, new FFOptions { BinaryFolder = "./bin", TemporaryFilesFolder = "/tmp" });
```
#### Option 2