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PulseAudio: Use default sink at multiple sink environment #9

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merged 5 commits into from
Apr 21, 2020
Merged

PulseAudio: Use default sink at multiple sink environment #9

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3d13fa9
Linux PulseAudio: Use @DEFAULT_SINK@ at setting values
aquahika Mar 19, 2020
2b3de12
PulseAudio: Use pacmd to get default-sink volume
aquahika Mar 20, 2020
5ebb360
PulseAudio: Get default sink via Server String: localhost
aquahika Apr 10, 2020
90441c9
PulseAudio: Fix variable snake_case to camelCase
aquahika Apr 10, 2020
2a38dc1
PulseAudio: Use local variable instead of package variable
aquahika Apr 11, 2020
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59 changes: 52 additions & 7 deletions volume_linux.go
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Original file line number Diff line number Diff line change
Expand Up @@ -29,14 +29,46 @@ func getVolumeCmd() []string {
return []string{"pactl", "list", "sinks"}
}

var volumePattern = regexp.MustCompile(`\d+%`)
func getPADefaultSink() (string, error) {
out, err := execCmd([]string{"pactl", "info"})

if err != nil {
return "", err
}

lines := strings.Split(string(out), "\n")

defaultSinkStr := "Default Sink: "
for _, line := range lines {
s := strings.TrimLeft(line, " \t")
if strings.HasPrefix(s, defaultSinkStr) {
return strings.TrimSpace(strings.Replace(s, defaultSinkStr, "", 1)), nil
}
}
return "", errors.New("Could not find PulseAudio Default Sink")
}

func parseVolume(out string) (int, error) {
sinkName, sinkNameErr := getPADefaultSink()

paDefaultSinkHooked := false

if sinkNameErr != nil {
paDefaultSinkHooked = true
}

lines := strings.Split(out, "\n")
volumePattern := regexp.MustCompile(`\d+%`)

for _, line := range lines {
s := strings.TrimLeft(line, " \t")

if !useAmixer && strings.Contains(s, "Name: "+string(sinkName)) {
paDefaultSinkHooked = true
}

if useAmixer && strings.Contains(s, "Playback") && strings.Contains(s, "%") ||
!useAmixer && strings.HasPrefix(s, "Volume:") {
!useAmixer && paDefaultSinkHooked && strings.HasPrefix(s, "Volume:") {
volumeStr := volumePattern.FindString(s)
return strconv.Atoi(volumeStr[:len(volumeStr)-1])
}
Expand All @@ -48,7 +80,7 @@ func setVolumeCmd(volume int) []string {
if useAmixer {
return []string{"amixer", "set", "Master", strconv.Itoa(volume) + "%"}
}
return []string{"pactl", "set-sink-volume", "0", strconv.Itoa(volume) + "%"}
return []string{"pactl", "set-sink-volume", "@DEFAULT_SINK@", strconv.Itoa(volume) + "%"}
}

func increaseVolumeCmd(diff int) []string {
Expand All @@ -62,7 +94,7 @@ func increaseVolumeCmd(diff int) []string {
if useAmixer {
return []string{"amixer", "set", "Master", strconv.Itoa(diff) + "%" + sign}
}
return []string{"pactl", "--", "set-sink-volume", "0", sign + strconv.Itoa(diff) + "%"}
return []string{"pactl", "--", "set-sink-volume", "@DEFAULT_SINK@", sign + strconv.Itoa(diff) + "%"}
}

func getMutedCmd() []string {
Expand All @@ -73,11 +105,24 @@ func getMutedCmd() []string {
}

func parseMuted(out string) (bool, error) {
sinkName, sinkNameErr := getPADefaultSink()

paDefaultSinkHooked := false

if sinkNameErr != nil {
paDefaultSinkHooked = true
}

lines := strings.Split(out, "\n")
for _, line := range lines {
s := strings.TrimLeft(line, " \t")

if !useAmixer && strings.Contains(s, "Name: "+string(sinkName)) {
paDefaultSinkHooked = true
}

if useAmixer && strings.Contains(s, "Playback") && strings.Contains(s, "%") ||
!useAmixer && strings.HasPrefix(s, "Mute: ") {
!useAmixer && paDefaultSinkHooked && strings.HasPrefix(s, "Mute: ") {
if strings.Contains(s, "[off]") || strings.Contains(s, "yes") {
return true, nil
} else if strings.Contains(s, "[on]") || strings.Contains(s, "no") {
Expand All @@ -92,12 +137,12 @@ func muteCmd() []string {
if useAmixer {
return []string{"amixer", "-D", "pulse", "set", "Master", "mute"}
}
return []string{"pactl", "set-sink-mute", "0", "1"}
return []string{"pactl", "set-sink-mute", "@DEFAULT_SINK@", "1"}
}

func unmuteCmd() []string {
if useAmixer {
return []string{"amixer", "-D", "pulse", "set", "Master", "unmute"}
}
return []string{"pactl", "set-sink-mute", "0", "0"}
return []string{"pactl", "set-sink-mute", "@DEFAULT_SINK@", "0"}
}