mirror of
https://github.com/m1k1o/neko.git
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231 lines
8.4 KiB
Go
231 lines
8.4 KiB
Go
package config
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import (
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"os"
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"github.com/pion/webrtc/v3"
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"github.com/rs/zerolog/log"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/demodesk/neko/pkg/types"
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"github.com/demodesk/neko/pkg/types/codec"
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"github.com/demodesk/neko/pkg/utils"
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)
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type Capture struct {
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Display string
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VideoCodec codec.RTPCodec
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VideoIDs []string
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VideoPipelines map[string]types.VideoConfig
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AudioDevice string
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AudioCodec codec.RTPCodec
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AudioPipeline string
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BroadcastAudioBitrate int
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BroadcastVideoBitrate int
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BroadcastPreset string
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BroadcastPipeline string
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ScreencastEnabled bool
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ScreencastRate string
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ScreencastQuality string
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ScreencastPipeline string
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WebcamEnabled bool
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WebcamDevice string
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WebcamWidth int
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WebcamHeight int
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MicrophoneEnabled bool
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MicrophoneDevice string
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}
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func (Capture) Init(cmd *cobra.Command) error {
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// audio
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cmd.PersistentFlags().String("capture.audio.device", "audio_output.monitor", "pulseaudio device to capture")
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if err := viper.BindPFlag("capture.audio.device", cmd.PersistentFlags().Lookup("capture.audio.device")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.audio.codec", "opus", "audio codec to be used")
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if err := viper.BindPFlag("capture.audio.codec", cmd.PersistentFlags().Lookup("capture.audio.codec")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.audio.pipeline", "", "gstreamer pipeline used for audio streaming")
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if err := viper.BindPFlag("capture.audio.pipeline", cmd.PersistentFlags().Lookup("capture.audio.pipeline")); err != nil {
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return err
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}
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// videos
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cmd.PersistentFlags().String("capture.video.codec", "vp8", "video codec to be used")
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if err := viper.BindPFlag("capture.video.codec", cmd.PersistentFlags().Lookup("capture.video.codec")); err != nil {
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return err
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}
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cmd.PersistentFlags().StringSlice("capture.video.ids", []string{}, "ordered list of video ids")
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if err := viper.BindPFlag("capture.video.ids", cmd.PersistentFlags().Lookup("capture.video.ids")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.video.pipelines", "", "pipelines config in JSON used for video streaming")
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if err := viper.BindPFlag("capture.video.pipelines", cmd.PersistentFlags().Lookup("capture.video.pipelines")); err != nil {
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return err
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}
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// broadcast
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cmd.PersistentFlags().Int("capture.broadcast.audio_bitrate", 128, "broadcast audio bitrate in KB/s")
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if err := viper.BindPFlag("capture.broadcast.audio_bitrate", cmd.PersistentFlags().Lookup("capture.broadcast.audio_bitrate")); err != nil {
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return err
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}
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cmd.PersistentFlags().Int("capture.broadcast.video_bitrate", 4096, "broadcast video bitrate in KB/s")
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if err := viper.BindPFlag("capture.broadcast.video_bitrate", cmd.PersistentFlags().Lookup("capture.broadcast.video_bitrate")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.broadcast.preset", "veryfast", "broadcast speed preset for h264 encoding")
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if err := viper.BindPFlag("capture.broadcast.preset", cmd.PersistentFlags().Lookup("capture.broadcast.preset")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.broadcast.pipeline", "", "gstreamer pipeline used for broadcasting")
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if err := viper.BindPFlag("capture.broadcast.pipeline", cmd.PersistentFlags().Lookup("capture.broadcast.pipeline")); err != nil {
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return err
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}
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// screencast
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cmd.PersistentFlags().Bool("capture.screencast.enabled", false, "enable screencast")
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if err := viper.BindPFlag("capture.screencast.enabled", cmd.PersistentFlags().Lookup("capture.screencast.enabled")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.screencast.rate", "10/1", "screencast frame rate")
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if err := viper.BindPFlag("capture.screencast.rate", cmd.PersistentFlags().Lookup("capture.screencast.rate")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.screencast.quality", "60", "screencast JPEG quality")
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if err := viper.BindPFlag("capture.screencast.quality", cmd.PersistentFlags().Lookup("capture.screencast.quality")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.screencast.pipeline", "", "gstreamer pipeline used for screencasting")
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if err := viper.BindPFlag("capture.screencast.pipeline", cmd.PersistentFlags().Lookup("capture.screencast.pipeline")); err != nil {
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return err
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}
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// webcam
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cmd.PersistentFlags().Bool("capture.webcam.enabled", false, "enable webcam stream")
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if err := viper.BindPFlag("capture.webcam.enabled", cmd.PersistentFlags().Lookup("capture.webcam.enabled")); err != nil {
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return err
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}
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// sudo apt install v4l2loopback-dkms v4l2loopback-utils
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// sudo apt-get install linux-headers-`uname -r` linux-modules-extra-`uname -r`
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// sudo modprobe v4l2loopback exclusive_caps=1
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cmd.PersistentFlags().String("capture.webcam.device", "/dev/video0", "v4l2sink device used for webcam")
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if err := viper.BindPFlag("capture.webcam.device", cmd.PersistentFlags().Lookup("capture.webcam.device")); err != nil {
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return err
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}
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cmd.PersistentFlags().Int("capture.webcam.width", 1280, "webcam stream width")
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if err := viper.BindPFlag("capture.webcam.width", cmd.PersistentFlags().Lookup("capture.webcam.width")); err != nil {
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return err
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}
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cmd.PersistentFlags().Int("capture.webcam.height", 720, "webcam stream height")
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if err := viper.BindPFlag("capture.webcam.height", cmd.PersistentFlags().Lookup("capture.webcam.height")); err != nil {
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return err
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}
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// microphone
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cmd.PersistentFlags().Bool("capture.microphone.enabled", true, "enable microphone stream")
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if err := viper.BindPFlag("capture.microphone.enabled", cmd.PersistentFlags().Lookup("capture.microphone.enabled")); err != nil {
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return err
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}
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cmd.PersistentFlags().String("capture.microphone.device", "audio_input", "pulseaudio device used for microphone")
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if err := viper.BindPFlag("capture.microphone.device", cmd.PersistentFlags().Lookup("capture.microphone.device")); err != nil {
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return err
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}
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return nil
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}
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func (s *Capture) Set() {
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var ok bool
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// Display is provided by env variable
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s.Display = os.Getenv("DISPLAY")
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// video
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videoCodec := viper.GetString("capture.video.codec")
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s.VideoCodec, ok = codec.ParseStr(videoCodec)
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if !ok || s.VideoCodec.Type != webrtc.RTPCodecTypeVideo {
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log.Warn().Str("codec", videoCodec).Msgf("unknown video codec, using Vp8")
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s.VideoCodec = codec.VP8()
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}
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s.VideoIDs = viper.GetStringSlice("capture.video.ids")
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if err := viper.UnmarshalKey("capture.video.pipelines", &s.VideoPipelines, viper.DecodeHook(
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utils.JsonStringAutoDecode(s.VideoPipelines),
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)); err != nil {
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log.Warn().Err(err).Msgf("unable to parse video pipelines")
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}
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// default video
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if len(s.VideoPipelines) == 0 {
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log.Warn().Msgf("no video pipelines specified, using defaults")
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s.VideoCodec = codec.VP8()
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s.VideoPipelines = map[string]types.VideoConfig{
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"main": {
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GstPipeline: "ximagesrc display-name={display} show-pointer=false use-damage=false " +
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"! video/x-raw " +
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"! videoconvert " +
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"! queue " +
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"! vp8enc end-usage=cbr cpu-used=4 threads=4 deadline=1 keyframe-max-dist=25 " +
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"! appsink name=appsink",
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},
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}
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s.VideoIDs = []string{"main"}
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}
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// audio
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s.AudioDevice = viper.GetString("capture.audio.device")
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s.AudioPipeline = viper.GetString("capture.audio.pipeline")
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audioCodec := viper.GetString("capture.audio.codec")
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s.AudioCodec, ok = codec.ParseStr(audioCodec)
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if !ok || s.AudioCodec.Type != webrtc.RTPCodecTypeAudio {
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log.Warn().Str("codec", audioCodec).Msgf("unknown audio codec, using Opus")
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s.AudioCodec = codec.Opus()
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}
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// broadcast
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s.BroadcastAudioBitrate = viper.GetInt("capture.broadcast.audio_bitrate")
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s.BroadcastVideoBitrate = viper.GetInt("capture.broadcast.video_bitrate")
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s.BroadcastPreset = viper.GetString("capture.broadcast.preset")
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s.BroadcastPipeline = viper.GetString("capture.broadcast.pipeline")
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// screencast
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s.ScreencastEnabled = viper.GetBool("capture.screencast.enabled")
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s.ScreencastRate = viper.GetString("capture.screencast.rate")
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s.ScreencastQuality = viper.GetString("capture.screencast.quality")
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s.ScreencastPipeline = viper.GetString("capture.screencast.pipeline")
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// webcam
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s.WebcamEnabled = viper.GetBool("capture.webcam.enabled")
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s.WebcamDevice = viper.GetString("capture.webcam.device")
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s.WebcamWidth = viper.GetInt("capture.webcam.width")
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s.WebcamHeight = viper.GetInt("capture.webcam.height")
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// microphone
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s.MicrophoneEnabled = viper.GetBool("capture.microphone.enabled")
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s.MicrophoneDevice = viper.GetString("capture.microphone.device")
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}
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