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Code Issues Releases Wiki Activity

Add support for sources

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Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2020-08-09 16:26:22 +02:00
parent 2fd1279eb3
commit 554b090890
Signed by: luzifer
GPG key ID: DC2729FDD34BE99E
2 changed files with 44 additions and 15 deletions
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29
cmd/streamdeck/display_pulsevolume.go
View file

@ -23,11 +23,15 @@ func (d displayElementPulseVolume) Display(ctx context.Context, idx int, attribu
return errors.New("PulseAudio client not initialized")
}
sinkMatch, sinkOK := attributes["sink"].(string)
sinkOK = sinkOK && sinkMatch != ""
devType, ok := attributes["device"].(string)
if !ok {
return errors.New("Missing 'device' attribute")
}
sinkInputMatch, sinkInputOK := attributes["sink_input"].(string)
sinkInputOK = sinkInputOK && sinkInputMatch != ""
match, ok := attributes["match"].(string)
if !ok {
return errors.New("Missing 'match' attribute")
}
var (
err error
@ -36,16 +40,19 @@ func (d displayElementPulseVolume) Display(ctx context.Context, idx int, attribu
volume float64
)
switch {
switch devType {
case (sinkInputOK && sinkOK) || (!sinkInputOK && !sinkOK):
return errors.New("Exactly one of 'sink' and 'sink_input' must be specified")
case "input":
volume, mute, err = pulseClient.GetSinkInputVolume(match)
case sinkInputOK:
volume, mute, err = pulseClient.GetSinkInputVolume(sinkInputMatch)
case "sink":
volume, mute, err = pulseClient.GetSinkVolume(match)
case sinkOK:
volume, mute, err = pulseClient.GetSinkVolume(sinkMatch)
case "source":
volume, mute, err = pulseClient.GetSourceVolume(match)
default:
return errors.Errorf("Unsupported device type: %q", devType)
}

30
cmd/streamdeck/pulseaudio.go
View file

@ -54,7 +54,7 @@ func (p pulseAudioClient) GetSinkInputVolume(match string) (float64, bool, error
continue
}
sinkBase, err := p.getSinkBaseVolumeByIndex(info.SinkIndex)
sinkBase, err := p.getSinkReferenceVolumeByIndex(info.SinkIndex)
if err != nil {
return 0, false, errors.Wrap(err, "Unable to get sink base volume")
}
@ -81,19 +81,41 @@ func (p pulseAudioClient) GetSinkVolume(match string) (float64, bool, error) {
continue
}
return p.unifyChannelVolumes(info.ChannelVolumes) / float64(info.BaseVolume), info.Mute, nil
return p.unifyChannelVolumes(info.ChannelVolumes) / float64(info.NumVolumeSteps), info.Mute, nil
}
return 0, false, errPulseNoSuchDevice
}
func (p pulseAudioClient) getSinkBaseVolumeByIndex(idx uint32) (float64, error) {
func (p pulseAudioClient) GetSourceVolume(match string) (float64, bool, error) {
m, err := regexp.Compile(match)
if err != nil {
return 0, false, errors.Wrap(err, "Unable to compile given match RegEx")
}
var resp proto.GetSourceInfoListReply
if err := p.client.RawRequest(&proto.GetSourceInfoList{}, &resp); err != nil {
return 0, false, errors.Wrap(err, "Unable to list sources")
}
for _, info := range resp {
if !m.MatchString(info.SourceName) && !m.MatchString(info.Device) {
continue
}
return p.unifyChannelVolumes(info.ChannelVolumes) / float64(info.NumVolumeSteps), info.Mute, nil
}
return 0, false, errPulseNoSuchDevice
}
func (p pulseAudioClient) getSinkReferenceVolumeByIndex(idx uint32) (float64, error) {
var resp proto.GetSinkInfoReply
if err := p.client.RawRequest(&proto.GetSinkInfo{SinkIndex: idx}, &resp); err != nil {
return 0, errors.Wrap(err, "Unable to get sink")
}
return float64(resp.BaseVolume), nil
return float64(resp.NumVolumeSteps), nil
}
func (p pulseAudioClient) unifyChannelVolumes(v proto.ChannelVolumes) float64 {