40 lines
879 B
Go
40 lines
879 B
Go
package transcoder
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import (
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"os/exec"
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"os"
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"io"
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)
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func NewTranscoder(stream_key string) (io.WriteCloser, error) {
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base_dir, _ := os.UserHomeDir()
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command := "ffmpeg"
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command_args := []string{
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"-probesize", "500",
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"-i", "pipe:0",
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"-c:a", "libopus",
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"-c:v", "vp9",
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"-quality", "realtime",
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"-speed", "7",
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"-tile-columns", "4",
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"-frame-parallel", "1",
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"-threads", "8",
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"-b:v", "1M",
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"-g", "30",
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"-hls_time", "6",
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"-hls_list_size", "4",
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"-hls_base_url", "/vid/" + stream_key + "/",
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"-hls_segment_type", "fmp4",
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"-hls_flags", "delete_segments",
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"-hls_flags", "+program_date_time",
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"stream.m3u8",
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}
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transcoder := exec.Command(command, command_args...)
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transcoder.Dir = base_dir + "/live/" + stream_key + "/"
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data_in, err := transcoder.StdinPipe()
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if err != nil {
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return nil, err
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}
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transcoder.Start()
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return data_in, nil
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}
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