/usr/share/pulseaudio/alsa-mixer/profile-sets/default.conf
列出了Alsa和Pulseaudio之间的所有映射配置文件。
1.模拟音频配置文件
和HDMI配置文件
相关的映射。
(描述:应该与在音频音量 KDE设置模块中显示的设备配置文件相匹配)[Mapping analog-stereo]
device-strings = front:%f
channel-map = left,right
paths-output = analog-output analog-output-lineout analog-output-speaker analog-output-headphones analog-output-headphones-2
paths-input = analog-input-front-mic analog-input-rear-mic analog-input-internal-mic analog-input-dock-mic analog-input analog-input-mic analog-input-linein analog-input-aux analog-input-video analog-input-tvtuner analog-input-fm analog-input-mic-line analog-input-headphone-mic analog-input-headset-mic
priority = 10
[Mapping hdmi-stereo-extra1]
description = Digital Stereo (HDMI 2)
device-strings = hdmi:%f,1
paths-output = hdmi-output-1
channel-map = left,right
priority = 2
direction = output
[Profile output:analog-stereo+output:hdmi-stereo-extra1]
description = All
output-mappings = analog-stereo hdmi-stereo-extra1
input-mappings = analog-stereo
pulseaudio --kill; sleep 1; pulseaudio --start
由于KDE 5似乎只是PulseAudio的前端,您可以使用pactl命令直接访问PulseAudio。
您需要进行一些实验,找到适合您的确切设置的正确设置,但我建议参考出色的Arch Linux维基上的Pulse Audio,Pulse Audio Configuration和Examples。
在找到正确的命令后,创建一个小的shell脚本,并在~/.local/share/applications/
中为它们创建一个条目(假设KDE 5使用自由桌面规范为应用程序创建启动器,我不太确定,因为我从未使用过KDE)。
import os
speakers = []
st = 0
au = os.popen("pacmd list-sinks")
audiotm = au.read()
audio = list(audiotm.split())
indices = [i for i, x in enumerate(audio) if x == "name:"]
for num in range(len(indices)):
speakers.append(audio[indices[num]+1])
for num in range(len(speakers)):
speakers[num] = speakers[num][1:len(speakers[num])-1]
dir = os.path.abspath(__file__)
dir = dir[:-5]
try: f = open(dir + "lststate.txt","r");st = int(f.read()) ;f.close();
except:f = open(dir + "lststate.txt","w");f.write(str(st)); f.close();
if st == len(speakers): st = 0;
OUT = speakers[st]
st += 1
f = open(dir + "lststate.txt","w");f.write(str(st)); f.close();
z = os.popen("pactl list short sink-inputs")
OUTID = z.read().split()
x = os.popen("pacmd set-default-sink " + OUT)
for num in range(0,len(OUTID),7):
y = os.popen("pactl move-sink-input " + OUTID[num] + " " + OUT)
exit()