61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os"
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"os/exec"
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"path"
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"strconv"
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"strings"
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)
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func startFfmpeg(configuration Config) {
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var outputDir = configuration.PublicHLSPath
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var hlsPlaylistName = path.Join(configuration.PublicHLSPath, "stream.m3u8")
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if configuration.IPFS.Enabled {
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outputDir = configuration.PrivateHLSPath
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hlsPlaylistName = path.Join(outputDir, "temp.m3u8")
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}
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log.Printf("Starting transcoder saving to /%s.", outputDir)
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pipePath := getTempPipePath()
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ffmpegCmd := "cat " + pipePath + " | " + configuration.FFMpegPath +
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" -hide_banner -i pipe: -vf scale=" + strconv.Itoa(configuration.VideoSettings.ResolutionWidth) + ":-2 -g 48 -keyint_min 48 -preset ultrafast -f hls -hls_list_size 30 -hls_time " +
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strconv.Itoa(configuration.VideoSettings.ChunkLengthInSeconds) + " -strftime 1 -use_localtime 1 -hls_segment_filename '" +
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outputDir + "/stream-%Y%m%d-%s.ts' -hls_flags delete_segments -segment_wrap 100 " + hlsPlaylistName
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_, err := exec.Command("bash", "-c", ffmpegCmd).Output()
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verifyError(err)
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}
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func verifyError(e error) {
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if e != nil {
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panic(e)
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}
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}
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func generateRemotePlaylist(playlist string, gateway string, segments map[string]string) string {
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for local, remote := range segments {
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playlist = strings.ReplaceAll(playlist, local, gateway+remote)
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}
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return playlist
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}
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func writePlaylist(data string, filePath string) {
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f, err := os.Create(filePath)
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defer f.Close()
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if err != nil {
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fmt.Println(err)
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return
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}
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_, err = f.WriteString(data)
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if err != nil {
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fmt.Println(err)
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return
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}
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}
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