goav

README

goav

Golang binding for FFmpeg

A comprehensive binding to the ffmpeg video/audio manipulation library.

Usage

import "github.com/giorgisio/goav/avformat"

func main() {

	filename := "/home/giorgis/media/sample.mp4"

	// Register all formats and codecs
	avformat.Av_register_all()

	if avformat.Avformat_open_input(&pFormatCtx, filename, nil, nil) != 0 {
		return
	}

	//...

}

Libraries

• avcodec corresponds to the ffmpeg library: libavcodec [provides implementation of a wider range of codecs]
• avformat corresponds to the ffmpeg library: libavformat [implements streaming protocols, container formats and basic I/O access]
• `avutil`` corresponds to the ffmpeg library: libavutil [includes hashers, decompressors and miscellaneous utility functions]
• avfilter corresponds to the ffmpeg library: libavfilter [provides a mean to alter decoded Audio and Video through chain of filters]
• avdevice corresponds to the ffmpeg library: libavdevice [provides an abstraction to access capture and playback devices]
• swresample corresponds to the ffmpeg library: libswresample [implements audio mixing and resampling routines]
• swscale corresponds to the ffmpeg library: libswscale [implements color conversion and scaling routines]

Installation

go get github.com/giorgisio/goav

[FFMPEG libraries] (https://github.com/FFmpeg/FFmpeg/blob/master/INSTALL.md)

export FFMPEG_ROOT=$HOME/ffmpeg
export CGO_LDFLAGS="-L$FFMPEG_ROOT/lib/ -lavcodec -lavformat -lavutil -lswscale -lswresample -lavdevice -lavfilter"
export CGO_CFLAGS="-I$FFMPEG_ROOT/include"
export LD_LIBRARY_PATH=$HOME/ffmpeg/lib

Contribute

• Fork this repo and create your own feature branch.
• Follow standard Go conventions
• Test your code.
• Create pull request

TODO

• Returning Errors
• Garbage Collection
• Review included/excluded functions from each library
• Go Tests
• Possible restructuring packages
• Tutorial01.c
• More Tutorial

License

This library is under the MIT License

Notice

goav comes with absolutely no warranty.