我有 Pinnacle PCTV HD PCI 卡。我可以使用 Kaffeine 使用这张卡查看和收听 ATSC/QAM 频道。
我还可以查看所有模拟频道。问题是tvtime中没有声音。
这是我的卡信息：
05:05.0 Multimedia video controller: Conexant Systems, Inc. CX23880/1/2/3 PCI Video and Audio Decoder (rev 05)
Subsystem: Pinnacle Systems Inc. Device 0051
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (5000ns min, 13750ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 20
Region 0: Memory at f9000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: <access denied>
Kernel driver in use: cx8800
Kernel modules: cx8800
05:05.1 Multimedia controller: Conexant Systems, Inc. CX23880/1/2/3 PCI Video and Audio Decoder [Audio Port] (rev 05)
Subsystem: Pinnacle Systems Inc. Device 0051
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (1000ns min, 63750ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 20
Region 0: Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: <access denied>
Kernel driver in use: cx88_audio
Kernel modules: cx88-alsa
05:05.2 Multimedia controller: Conexant Systems, Inc. CX23880/1/2/3 PCI Video and Audio Decoder [MPEG Port] (rev 05)
Subsystem: Pinnacle Systems Inc. Device 0051
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (1500ns min, 22000ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 20
Region 0: Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: <access denied>
Kernel driver in use: cx88-mpeg driver manager
Kernel modules: cx8802
如果我这样做：
“arecord -D hw:1,0 -f dat | aplay”
我有声音，但 tvtime 中的音量控制不起作用。但是，我可以使用 pulseaudio 中的 alsa-plugin 设备调整音量。
我想要的是让 tvtime 正常工作。
谢谢