go-segment

通过cgo方式调用ffmpeg api实现mp4转hls. 虽然ffmpeg原生的segment命令也可以实现切片，这里采用ffmpeg api实现，读者可以根据客户需求按照时间点或者关键帧等方式来切分，更加灵活可控。

It uses the FFmpeg multimedia framework api for actual file processing, and adds an easy-to-use API for probing and converting mp4 file to hls segment.

Quickstart

func TestSegment(t *testing.T) {
    inputFile := "1_tmp.mp4"
    baseDir := "test"
    indexFileName := "playlist.m3u8"
    baseFileName := "mongotv"
    baseFileExtension := ".ts"
    segmentLength := 5
    maxSegments := 2048
    // init ffmpeg avformat avcodec register
    Init()

    // sement mp4 file to m3u8
    if err := Segment(inputFile, baseDir, indexFileName, baseFileName, baseFileExtension, segmentLength, maxSegments); err != nil {
	    t.Errorf("segment file=%s faild.\n", inputFile)
    }
}

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