如果当前正在播放其他程序，则Portaudio不会播放声音
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我有一个使用PortAudio的程序。目前，我以ѭ0开始，但是当我编译并运行程序时，如果当前正在运行其他程序（例如音乐播放器），它将无法播放声音。错误字符串是
PortAudio error: Device unavailable
Pa_OpenStream
Device 0
name /dev/dsp
hostAPI 0
maxInputChannels 16
maxOutPutChannels 0
defaultLowInputLatency 0.011610
defaultLowOutputLatency -0.117208
defaultHighInputLatency 0.046440
defaultHighOutputLatency 0.000000
defaultSampleRate 44100.000000
Device 1
name /dev/dsp1
hostAPI 0
maxInputChannels 16
maxOutPutChannels 0
defaultLowInputLatency 0.011610
defaultLowOutputLatency -0.117208
defaultHighInputLatency 0.046440
defaultHighOutputLatency 0.000000
defaultSampleRate 44100.000000
Default Device -1
Device 0
name /dev/dsp
hostAPI 0
maxInputChannels 16
maxOutPutChannels 16
defaultLowInputLatency 0.011610
defaultLowOutputLatency 0.011610
defaultHighInputLatency 0.046440
defaultHighOutputLatency 0.046440
defaultSampleRate 44100.000000
Device 1
name /dev/dsp1
hostAPI 0
maxInputChannels 16
maxOutPutChannels 0
defaultLowInputLatency 0.011610
defaultLowOutputLatency 0.011610
defaultHighInputLatency 0.046440
defaultHighOutputLatency 0.046440
defaultSampleRate 44100.000000
Default Device 0
没有找到相关结果
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慰泥悍瓶
行以匹配您的硬件。该示例来自ALSA Wikipcm.!default { type plug slave.pcm \"dmixer\" } pcm.dmixer { type dmix ipc_key 1024 slave { pcm \"hw:1,0\" period_time 0 period_size 1024 buffer_size 4096 rate 44100 } bindings { 0 0 1 1 } } ctl.dmixer { type hw card 0 }