From ccb924566e0c8ca2d552bbdb9c84838621e60b1c Mon Sep 17 00:00:00 2001
From: fuleyi <fuleyi@uniontech.com>
Date: Tue, 3 Dec 2024 09:31:58 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20pipewire=E4=B8=8B=E6=94=AF=E6=8C=81?=
 =?UTF-8?q?=E5=8D=95=E5=A3=B0=E9=81=93=E8=AE=BE=E7=BD=AE?=
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pipewire下支持单声道设置

Log: pipewire下支持单声道设置
pms: TASK-369199
---
 pulse/misc.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pulse/misc.go b/pulse/misc.go
index 32683c8..1b45680 100644
--- a/pulse/misc.go
+++ b/pulse/misc.go
@@ -174,3 +174,15 @@ func (cm ChannelMap) CanFade() bool {
 		return true
 	}
 }
+
+// 音频支持单声道设置，仅在pipewire下有效果
+func (cv CVolume) SetMono(volume float64, enable bool) CVolume {
+	var v Volume
+	v.paVolume = C.pa_volume_t(volume * C.PA_VOLUME_NORM)
+	var channels uint32 = 1
+	if !enable {
+		channels = 32
+	}
+	C.pa_cvolume_set(&cv.core, C.unsigned(channels), v.paVolume)
+	return cv
+}