Add examples from readme

Former-commit-id: cbf241ca3c
This commit is contained in:
Malte Rosenbjerg 2021-03-15 22:45:30 +01:00
parent 0cc7e361e5
commit fdd2d2b6c3
3 changed files with 142 additions and 0 deletions

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@ -0,0 +1,12 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net5.0</TargetFramework>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\FFMpegCore\FFMpegCore.csproj" />
</ItemGroup>
</Project>

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using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using FFMpegCore;
using FFMpegCore.Enums;
using FFMpegCore.Pipes;
using FFMpegCore.Extend;
var inputPath = "/path/to/input";
var outputPath = "/path/to/output";
{
var mediaInfo = FFProbe.Analyse(inputPath);
}
{
var mediaInfo = await FFProbe.AnalyseAsync(inputPath);
}
{
FFMpegArguments
.FromFileInput(inputPath)
.OutputToFile(outputPath, false, options => options
.WithVideoCodec(VideoCodec.LibX264)
.WithConstantRateFactor(21)
.WithAudioCodec(AudioCodec.Aac)
.WithVariableBitrate(4)
.WithVideoFilters(filterOptions => filterOptions
.Scale(VideoSize.Hd))
.WithFastStart())
.ProcessSynchronously();
}
{
// process the snapshot in-memory and use the Bitmap directly
var bitmap = FFMpeg.Snapshot(inputPath, new Size(200, 400), TimeSpan.FromMinutes(1));
// or persists the image on the drive
FFMpeg.Snapshot(inputPath, outputPath, new Size(200, 400), TimeSpan.FromMinutes(1));
}
var inputStream = new MemoryStream();
var outputStream = new MemoryStream();
{
await FFMpegArguments
.FromPipeInput(new StreamPipeSource(inputStream))
.OutputToPipe(new StreamPipeSink(outputStream), options => options
.WithVideoCodec("vp9")
.ForceFormat("webm"))
.ProcessAsynchronously();
}
{
FFMpeg.Join(@"..\joined_video.mp4",
@"..\part1.mp4",
@"..\part2.mp4",
@"..\part3.mp4"
);
}
{
FFMpeg.JoinImageSequence(@"..\joined_video.mp4", frameRate: 1,
ImageInfo.FromPath(@"..\1.png"),
ImageInfo.FromPath(@"..\2.png"),
ImageInfo.FromPath(@"..\3.png")
);
}
{
FFMpeg.Mute(inputPath, outputPath);
}
{
FFMpeg.ExtractAudio(inputPath, outputPath);
}
var inputAudioPath = "/path/to/input/audio";
{
FFMpeg.ReplaceAudio(inputPath, inputAudioPath, outputPath);
}
var inputImagePath = "/path/to/input/image";
{
FFMpeg.PosterWithAudio(inputPath, inputAudioPath, outputPath);
// or
var image = Image.FromFile(inputImagePath);
image.AddAudio(inputAudioPath, outputPath);
}
IVideoFrame GetNextFrame() => throw new NotImplementedException();
{
IEnumerable<IVideoFrame> CreateFrames(int count)
{
for(int i = 0; i < count; i++)
{
yield return GetNextFrame(); //method of generating new frames
}
}
var videoFramesSource = new RawVideoPipeSource(CreateFrames(64)) //pass IEnumerable<IVideoFrame> or IEnumerator<IVideoFrame> to constructor of RawVideoPipeSource
{
FrameRate = 30 //set source frame rate
};
await FFMpegArguments
.FromPipeInput(videoFramesSource)
.OutputToFile(outputPath, false, options => options
.WithVideoCodec(VideoCodec.LibVpx))
.ProcessAsynchronously();
}
{
// 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" });
}

View file

@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FFMpegCore", "FFMpegCore\FF
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FFMpegCore.Test", "FFMpegCore.Test\FFMpegCore.Test.csproj", "{F20C8353-72D9-454B-9F16-3624DBAD2328}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FFMpegCore.Examples", "FFMpegCore.Examples\FFMpegCore.Examples.csproj", "{3125CF91-FFBD-4E4E-8930-247116AFE772}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -21,6 +23,10 @@ Global
{F20C8353-72D9-454B-9F16-3624DBAD2328}.Debug|Any CPU.Build.0 = Debug|Any CPU
{F20C8353-72D9-454B-9F16-3624DBAD2328}.Release|Any CPU.ActiveCfg = Release|Any CPU
{F20C8353-72D9-454B-9F16-3624DBAD2328}.Release|Any CPU.Build.0 = Release|Any CPU
{3125CF91-FFBD-4E4E-8930-247116AFE772}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{3125CF91-FFBD-4E4E-8930-247116AFE772}.Debug|Any CPU.Build.0 = Debug|Any CPU
{3125CF91-FFBD-4E4E-8930-247116AFE772}.Release|Any CPU.ActiveCfg = Release|Any CPU
{3125CF91-FFBD-4E4E-8930-247116AFE772}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE