From 1c8d0fcd4f86b6fb6a0eab924a9669f6e1c05167 Mon Sep 17 00:00:00 2001 From: Malte Rosenbjerg Date: Sat, 7 Aug 2021 15:34:40 +0200 Subject: [PATCH 1/2] Update README.md Former-commit-id: 78c749c748e980fb3f0d53c98ea934b3e7f4a55a --- README.md | 121 +++++++++++++++++++++++++++--------------------------- 1 file changed, 60 insertions(+), 61 deletions(-) diff --git a/README.md b/README.md index 1eb08a3..3d19fa8 100644 --- a/README.md +++ b/README.md @@ -1,37 +1,29 @@ -# FFMpegCore -[![CI](https://github.com/rosenbjerg/FFMpegCore/workflows/CI/badge.svg)](https://github.com/rosenbjerg/FFMpegCore/actions?query=workflow%3ACI) +# [FFMpegCore](https://www.nuget.org/packages/FFMpegCore/) [![NuGet Badge](https://buildstats.info/nuget/FFMpegCore)](https://www.nuget.org/packages/FFMpegCore/) [![GitHub issues](https://img.shields.io/github/issues/rosenbjerg/FFMpegCore)](https://github.com/rosenbjerg/FFMpegCore/issues) [![GitHub stars](https://img.shields.io/github/stars/rosenbjerg/FFMpegCore)](https://github.com/rosenbjerg/FFMpegCore/stargazers) [![GitHub](https://img.shields.io/github/license/rosenbjerg/FFMpegCore)](https://github.com/rosenbjerg/FFMpegCore/blob/master/LICENSE) +[![CI](https://github.com/rosenbjerg/FFMpegCore/workflows/CI/badge.svg)](https://github.com/rosenbjerg/FFMpegCore/actions?query=workflow%3ACI) -# Setup - -#### NuGet: - -``` -Install-Package FFMpegCore -``` - -A .NET Standard FFMpeg/FFProbe wrapper for easily integrating media analysis and conversion into your C# applications. Support both synchronous and asynchronous use +A .NET Standard FFMpeg/FFProbe wrapper for easily integrating media analysis and conversion into your .NET applications. Supports both synchronous and asynchronous calls # API ## FFProbe -FFProbe is used to gather media information: +Use FFProbe to analyze media files: ```csharp -var mediaInfo = FFProbe.Analyse(inputPath); +var mediaInfo = await FFProbe.AnalyseAsync(inputPath); ``` or ```csharp -var mediaInfo = await FFProbe.AnalyseAsync(inputPath); +var mediaInfo = FFProbe.Analyse(inputPath); ``` ## FFMpeg -FFMpeg is used for converting your media files to web ready formats. +Use FFMpeg to convert your media files. Easily build your FFMpeg arguments using the fluent argument builder: Convert input file to h264/aac scaled to 720p w/ faststart, for web playback @@ -49,15 +41,6 @@ FFMpegArguments .ProcessSynchronously(); ``` -Easily capture screens from your videos: -```csharp -// 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)); -``` - Convert to and/or from streams ```csharp await FFMpegArguments @@ -68,7 +51,19 @@ await FFMpegArguments .ProcessAsynchronously(); ``` -Join video parts into one single file: +## Helper methods +The provided helper methods makes it simple to perform common operations. + +### Easily capture snapshots from a video file: +```csharp +// 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)); +``` + +### Join video parts into one single file: ```csharp FFMpeg.Join(@"..\joined_video.mp4", @"..\part1.mp4", @@ -77,7 +72,7 @@ FFMpeg.Join(@"..\joined_video.mp4", ); ``` -Join images into a video: +### Join images into a video: ```csharp FFMpeg.JoinImageSequence(@"..\joined_video.mp4", frameRate: 1, ImageInfo.FromPath(@"..\1.png"), @@ -86,22 +81,22 @@ FFMpeg.JoinImageSequence(@"..\joined_video.mp4", frameRate: 1, ); ``` -Mute videos: +### Mute the audio of a video file: ```csharp FFMpeg.Mute(inputPath, outputPath); ``` -Save audio track from video: +### Extract the audio track from a video file: ```csharp FFMpeg.ExtractAudio(inputPath, outputPath); ``` -Add or replace audio track on video: +### Add or replace the audio track of a video file: ```csharp FFMpeg.ReplaceAudio(inputPath, inputAudioPath, outputPath); ``` -Add poster image to audio file (good for youtube videos): +### Combine an image with audio file, for youtube or similar platforms ```csharp FFMpeg.PosterWithAudio(inputPath, inputAudioPath, outputPath); // or @@ -111,26 +106,27 @@ image.AddAudio(inputAudioPath, outputPath); Other available arguments could be found in `FFMpegCore.Arguments` namespace. -### Input piping -With input piping it is possible to write video frames directly from program memory without saving them to jpeg or png and then passing path to input of ffmpeg. This feature also allows us to convert video on-the-fly while frames are being generated or received. +## Input piping +With input piping it is possible to write video frames directly from program memory without saving them to jpeg or png and then passing path to input of ffmpeg. This feature also allows for converting video on-the-fly while frames are being generated or received. -The `IPipeSource` interface is used as the source of data. It could be represented as encoded video stream or raw frames stream. Currently, the `IPipeSource` interface has single implementation, `RawVideoPipeSource` that is used for raw stream encoding. +An object implementing the `IPipeSource` interface is used as the source of data. Currently, the `IPipeSource` interface has two implementations; `StreamPipeSource` for streams, and `RawVideoPipeSource` for raw video frames. -For example: +### Working with raw video frames -Method that is generating bitmap frames: +Method for generating bitmap frames: ```csharp IEnumerable CreateFrames(int count) { for(int i = 0; i < count; i++) { - yield return GetNextFrame(); //method of generating new frames + yield return GetNextFrame(); //method that generates of receives the next frame } } ``` -Then create `ArgumentsContainer` with `InputPipeArgument` + +Then create a `RawVideoPipeSource` that utilises your video frame source ```csharp -var videoFramesSource = new RawVideoPipeSource(CreateFrames(64)) //pass IEnumerable or IEnumerator to constructor of RawVideoPipeSource +var videoFramesSource = new RawVideoPipeSource(CreateFrames(64)) { FrameRate = 30 //set source frame rate }; @@ -141,51 +137,43 @@ await FFMpegArguments .ProcessAsynchronously(); ``` -if you want to use `System.Drawing.Bitmap` as `IVideoFrame`, there is a `BitmapVideoFrameWrapper` wrapper class. +If you want to use `System.Drawing.Bitmap`s as `IVideoFrame`s, a `BitmapVideoFrameWrapper` wrapper class is provided. -## Binaries +# Binaries +## Installation If you prefer to manually download them, visit [ffbinaries](https://ffbinaries.com/downloads) or [zeranoe Windows builds](https://ffmpeg.zeranoe.com/builds/). -#### Windows - -command: `choco install ffmpeg -Y` +### Windows (using choco) +command: `choco install ffmpeg -y` location: `C:\ProgramData\chocolatey\lib\ffmpeg\tools\ffmpeg\bin` -#### Mac OSX - +### Mac OSX command: `brew install ffmpeg mono-libgdiplus` location: `/usr/local/bin` -#### Ubuntu - +### Ubuntu command: `sudo apt-get install -y ffmpeg libgdiplus` location: `/usr/bin` + ## Path Configuration -#### Behavior - -If you wish to support multiple client processor architectures, you can do so by creating a folder `x64` and `x86` in the `root` directory. -Both folders should contain the binaries (`ffmpeg.exe` and `ffprobe.exe`) for build for the respective architectures. - -By doing so, the library will attempt to use either `/root/{ARCH}/(ffmpeg|ffprobe).exe`. - -If these folders are not defined, it will try to find the binaries in `/root/(ffmpeg|ffprobe.exe)` - -#### Option 1 +### Option 1 The default value of an empty string (expecting ffmpeg to be found through PATH) can be overwritten via the `FFOptions` class: -```c# +```csharp // setting global options GlobalFFOptions.Configure(new FFOptions { BinaryFolder = "./bin", TemporaryFilesFolder = "/tmp" }); + // or GlobalFFOptions.Configure(options => options.BinaryFolder = "./bin"); + // on some systems the absolute path may be required, in which case GlobalFFOptions.Configure(new FFOptions { BinaryFolder = Server.MapPath("./bin"), TemporaryFilesFolder = Server.MapPath("/tmp") }); @@ -196,9 +184,9 @@ await FFMpegArguments .ProcessAsynchronously(true, new FFOptions { BinaryFolder = "./bin", TemporaryFilesFolder = "/tmp" }); ``` -#### Option 2 +### Option 2 -The root and temp directory for the ffmpeg binaries can be configured via the `ffmpeg.config.json` file. +The root and temp directory for the ffmpeg binaries can be configured via the `ffmpeg.config.json` file, which will be read on first use only. ```json { @@ -207,8 +195,19 @@ The root and temp directory for the ffmpeg binaries can be configured via the `f } ``` +### Supporting both 32 and 64 bit processes +If you wish to support multiple client processor architectures, you can do so by creating a folder `x64` and `x86` in the `root` directory. +Both folders should contain the binaries (`ffmpeg.exe` and `ffprobe.exe`) for build for the respective architectures. + +By doing so, the library will attempt to use either `/root/{ARCH}/(ffmpeg|ffprobe).exe`. + +If these folders are not defined, it will try to find the binaries in `/root/(ffmpeg|ffprobe.exe)`. + +(`.exe` is only appended on Windows) + + # Compatibility - Some versions of FFMPEG might not have the same argument schema. The lib has been tested with version `3.3` to `4.2` +Older versions of ffmpeg might not support all ffmpeg arguments available through this library. The library has been tested with version `3.3` to `4.2` ## Contributors From b466c1b649ff752eaf3674f8a1032ad9bc587f8a Mon Sep 17 00:00:00 2001 From: Malte Rosenbjerg Date: Sat, 7 Aug 2021 16:08:15 +0200 Subject: [PATCH 2/2] Add non-code contributors Former-commit-id: 2722431457baee63caadda56188e627cf7320dfe --- README.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 3d19fa8..d58e3fe 100644 --- a/README.md +++ b/README.md @@ -210,11 +210,15 @@ If these folders are not defined, it will try to find the binaries in `/root/(ff Older versions of ffmpeg might not support all ffmpeg arguments available through this library. The library has been tested with version `3.3` to `4.2` -## Contributors +## Code contributors +## Non-code contributors + + + ### License Copyright © 2021