package config import ( "github.com/spf13/cobra" "github.com/spf13/viper" ) type Capture struct { Display string Device string AudioCodec string AudioParams string AudioBitrate uint VideoHWEnc string VideoCodec string VideoParams string VideoBitrate uint MaxFPS int } func (Capture) Init(cmd *cobra.Command) error { cmd.PersistentFlags().String("display", ":99.0", "XDisplay to capture") if err := viper.BindPFlag("display", cmd.PersistentFlags().Lookup("display")); err != nil { return err } cmd.PersistentFlags().String("device", "auto_null.monitor", "audio device to capture") if err := viper.BindPFlag("device", cmd.PersistentFlags().Lookup("device")); err != nil { return err } cmd.PersistentFlags().String("audio", "", "audio codec parameters to use for streaming") if err := viper.BindPFlag("audio", cmd.PersistentFlags().Lookup("audio")); err != nil { return err } cmd.PersistentFlags().Int("audio_bitrate", 128, "audio bitrate in kbit/s") if err := viper.BindPFlag("audio_bitrate", cmd.PersistentFlags().Lookup("audio_bitrate")); err != nil { return err } cmd.PersistentFlags().String("video", "", "video codec parameters to use for streaming") if err := viper.BindPFlag("video", cmd.PersistentFlags().Lookup("video")); err != nil { return err } cmd.PersistentFlags().Int("video_bitrate", 3072, "video bitrate in kbit/s") if err := viper.BindPFlag("video_bitrate", cmd.PersistentFlags().Lookup("video_bitrate")); err != nil { return err } cmd.PersistentFlags().Int("max_fps", 25, "maximum fps delivered via WebRTC, 0 is for no maximum") if err := viper.BindPFlag("max_fps", cmd.PersistentFlags().Lookup("max_fps")); err != nil { return err } // hw encoding cmd.PersistentFlags().String("hwenc", "", "use hardware accelerated encoding") if err := viper.BindPFlag("hwenc", cmd.PersistentFlags().Lookup("hwenc")); err != nil { return err } // video codecs cmd.PersistentFlags().Bool("vp8", false, "use VP8 video codec") if err := viper.BindPFlag("vp8", cmd.PersistentFlags().Lookup("vp8")); err != nil { return err } cmd.PersistentFlags().Bool("vp9", false, "use VP9 video codec") if err := viper.BindPFlag("vp9", cmd.PersistentFlags().Lookup("vp9")); err != nil { return err } cmd.PersistentFlags().Bool("h264", false, "use H264 video codec") if err := viper.BindPFlag("h264", cmd.PersistentFlags().Lookup("h264")); err != nil { return err } // audio codecs cmd.PersistentFlags().Bool("opus", false, "use Opus audio codec") if err := viper.BindPFlag("opus", cmd.PersistentFlags().Lookup("opus")); err != nil { return err } cmd.PersistentFlags().Bool("g722", false, "use G722 audio codec") if err := viper.BindPFlag("g722", cmd.PersistentFlags().Lookup("g722")); err != nil { return err } cmd.PersistentFlags().Bool("pcmu", false, "use PCMU audio codec") if err := viper.BindPFlag("pcmu", cmd.PersistentFlags().Lookup("pcmu")); err != nil { return err } cmd.PersistentFlags().Bool("pcma", false, "use PCMA audio codec") if err := viper.BindPFlag("pcma", cmd.PersistentFlags().Lookup("pcma")); err != nil { return err } return nil } func (s *Capture) Set() { audioCodec := "Opus" if viper.GetBool("opus") { audioCodec = "Opus" } else if viper.GetBool("g722") { audioCodec = "G722" } else if viper.GetBool("pcmu") { audioCodec = "PCMU" } else if viper.GetBool("pcma") { audioCodec = "PCMA" } s.Device = viper.GetString("device") s.AudioCodec = audioCodec s.AudioParams = viper.GetString("audio") s.AudioBitrate = viper.GetUint("audio_bitrate") videoCodec := "VP8" if viper.GetBool("vp8") { videoCodec = "VP8" } else if viper.GetBool("vp9") { videoCodec = "VP9" } else if viper.GetBool("h264") { videoCodec = "H264" } videoHWEnc := "" if viper.GetString("hwenc") == "VAAPI" { videoHWEnc = "VAAPI" } s.Display = viper.GetString("display") s.VideoHWEnc = videoHWEnc s.VideoCodec = videoCodec s.VideoParams = viper.GetString("video") s.VideoBitrate = viper.GetUint("video_bitrate") s.MaxFPS = viper.GetInt("max_fps") }