I have the following warnings while instantiating pyaudio.
chris@chris-Inspiron-3847:~/Documents/Projects/Papinhio player/setup/database_init$ python Python 3.9.7 (default, Sep 10 2021, 14:59:43) [GCC 11.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import pyaudio >>> p = pyaudio.PyAudio() ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) Unknown field port ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) Unknown field port ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave >>> exit() chris@chris-Inspiron-3847:~/Documents/Projects/Papinhio player/setup/database_init$ file: /usr/share/alsa/alsa.conf
# # ALSA library configuration file # # pre-load the configuration files @hooks [ { func load files [ "/usr/etc/alsa/conf.d" "/etc/alsa/conf.d" "/etc/asound.conf|||/usr/etc/asound.conf" "~/.asoundrc" { @func concat strings [ { @func getenv vars [ XDG_CONFIG_HOME ] default "~/.config" } "/alsa/asoundrc" ] } ] errors false } ] # load card-specific configuration files (on request) cards.@hooks [ { func load files [ { @func concat strings [ { @func datadir } "/cards/aliases.conf" ] } ] } { func load_for_all_cards files [ { @func concat strings [ { @func datadir } "/cards/" { @func private_string } ".conf" ] } ] errors false } ] # # defaults # # show all name hints also for definitions without hint {} section defaults.namehint.showall on # show just basic name hints defaults.namehint.basic on # show extended name hints defaults.namehint.extended on # defaults.ctl.card 0 defaults.pcm.card 0 defaults.pcm.device 0 defaults.pcm.subdevice -1 defaults.pcm.nonblock 1 defaults.pcm.compat 0 defaults.pcm.minperiodtime 5000 # in us defaults.pcm.ipc_key 5678293 defaults.pcm.ipc_gid audio defaults.pcm.ipc_perm 0660 defaults.pcm.tstamp_type default defaults.pcm.dmix.max_periods 0 defaults.pcm.dmix.channels 2 defaults.pcm.dmix.rate 48000 defaults.pcm.dmix.format unchanged defaults.pcm.dmix.card defaults.pcm.card defaults.pcm.dmix.device defaults.pcm.device defaults.pcm.dsnoop.card defaults.pcm.card defaults.pcm.dsnoop.device defaults.pcm.device defaults.pcm.front.card defaults.pcm.card defaults.pcm.front.device defaults.pcm.device defaults.pcm.rear.card defaults.pcm.card defaults.pcm.rear.device defaults.pcm.device defaults.pcm.center_lfe.card defaults.pcm.card defaults.pcm.center_lfe.device defaults.pcm.device defaults.pcm.side.card defaults.pcm.card defaults.pcm.side.device defaults.pcm.device #defaults.pcm.surround21.card defaults.pcm.card #defaults.pcm.surround21.device defaults.pcm.device #defaults.pcm.surround40.card defaults.pcm.card #defaults.pcm.surround40.device defaults.pcm.device #defaults.pcm.surround41.card defaults.pcm.card #defaults.pcm.surround41.device defaults.pcm.device #defaults.pcm.surround50.card defaults.pcm.card #defaults.pcm.surround50.device defaults.pcm.device #defaults.pcm.surround51.card defaults.pcm.card #defaults.pcm.surround51.device defaults.pcm.device #defaults.pcm.surround71.card defaults.pcm.card #defaults.pcm.surround71.device defaults.pcm.device defaults.pcm.iec958.card defaults.pcm.card defaults.pcm.iec958.device defaults.pcm.device defaults.pcm.modem.card defaults.pcm.card defaults.pcm.modem.device defaults.pcm.device defaults.pcm.file_format raw defaults.pcm.file_truncate true # truncate files via file or tee PCM defaults.rawmidi.card 0 defaults.rawmidi.device 0 defaults.rawmidi.subdevice -1 defaults.hwdep.card 0 defaults.hwdep.device 0 defaults.timer.class 2 defaults.timer.sclass 0 defaults.timer.card 0 defaults.timer.device 0 defaults.timer.subdevice 0 # # PCM interface # pcm.hw { @args [ CARD DEV SUBDEV ] @args.CARD { type string default { @func getenv vars [ ALSA_PCM_CARD ALSA_CARD ] default { @func refer name defaults.pcm.card } } } @args.DEV { type integer default { @func igetenv vars [ ALSA_PCM_DEVICE ] default { @func refer name defaults.pcm.device } } } @args.SUBDEV { type integer default { @func refer name defaults.pcm.subdevice } } type hw card $CARD device $DEV subdevice $SUBDEV hint { show { @func refer name defaults.namehint.extended } description "Direct hardware device without any conversions" } } pcm.plughw { @args [ CARD DEV SUBDEV ] @args.CARD { type string default { @func getenv vars [ ALSA_PCM_CARD ALSA_CARD ] default { @func refer name defaults.pcm.card } } } @args.DEV { type integer default { @func igetenv vars [ ALSA_PCM_DEVICE ] default { @func refer name defaults.pcm.device } } } @args.SUBDEV { type integer default { @func refer name defaults.pcm.subdevice } } type plug slave.pcm { type hw card $CARD device $DEV subdevice $SUBDEV } hint { show { @func refer name defaults.namehint.extended } description "Hardware device with all software conversions" } } pcm.plug { @args [ SLAVE ] @args.SLAVE { type string } type plug slave.pcm $SLAVE } pcm.shm { @args [ SOCKET PCM ] @args.SOCKET { type string } @args.PCM { type string } type shm server $SOCKET pcm $PCM } pcm.tee { @args [ SLAVE FILE FORMAT ] @args.SLAVE { type string } @args.FILE { type string } @args.FORMAT { type string default { @func refer name defaults.pcm.file_format } } type file slave.pcm $SLAVE file $FILE format $FORMAT truncate { @func refer name defaults.pcm.file_truncate } } pcm.file { @args [ FILE FORMAT ] @args.FILE { type string } @args.FORMAT { type string default { @func refer name defaults.pcm.file_format } } type file slave.pcm null file $FILE format $FORMAT truncate { @func refer name defaults.pcm.file_truncate } } pcm.null { type null hint { show { @func refer name defaults.namehint.basic } description "Discard all samples (playback) or generate zero samples (capture)" } } # redirect to load-on-demand extended pcm definitions pcm.cards cards.pcm pcm.default cards.pcm.default pcm.sysdefault cards.pcm.default pcm.front cards.pcm.front #pcm.rear cards.pcm.rear #pcm.center_lfe cards.pcm.center_lfe #pcm.side cards.pcm.side #pcm.surround21 cards.pcm.surround21 #pcm.surround40 cards.pcm.surround40 #pcm.surround41 cards.pcm.surround41 #pcm.surround50 cards.pcm.surround50 #pcm.surround51 cards.pcm.surround51 #pcm.surround71 cards.pcm.surround71 pcm.iec958 cards.pcm.iec958 pcm.spdif iec958 pcm.hdmi cards.pcm.hdmi pcm.dmix cards.pcm.dmix pcm.dsnoop cards.pcm.dsnoop pcm.modem cards.pcm.modem pcm.phoneline cards.pcm.phoneline # # Control interface # ctl.sysdefault { type hw card { @func getenv vars [ ALSA_CTL_CARD ALSA_CARD ] default { @func refer name defaults.ctl.card } } hint.description "Default control device" } ctl.default ctl.sysdefault ctl.hw { @args [ CARD ] @args.CARD { type string default { @func getenv vars [ ALSA_CTL_CARD ALSA_CARD ] default { @func refer name defaults.ctl.card } } } type hw card $CARD hint.description "Direct control device" } ctl.shm { @args [ SOCKET CTL ] @args.SOCKET { type string } @args.CTL { type string } type shm server $SOCKET ctl $CTL } # # RawMidi interface # rawmidi.default { type hw card { @func getenv vars [ ALSA_RAWMIDI_CARD ALSA_CARD ] default { @func refer name defaults.rawmidi.card } } device { @func igetenv vars [ ALSA_RAWMIDI_DEVICE ] default { @func refer name defaults.rawmidi.device } } hint.description "Default raw MIDI device" } rawmidi.hw { @args [ CARD DEV SUBDEV ] @args.CARD { type string default { @func getenv vars [ ALSA_RAWMIDI_CARD ALSA_CARD ] default { @func refer name defaults.rawmidi.card } } } @args.DEV { type integer default { @func igetenv vars [ ALSA_RAWMIDI_DEVICE ] default { @func refer name defaults.rawmidi.device } } } @args.SUBDEV { type integer default -1 } type hw card $CARD device $DEV subdevice $SUBDEV hint { description "Direct rawmidi driver device" device $DEV } } rawmidi.virtual { @args [ MERGE ] @args.MERGE { type string default 1 } type virtual merge $MERGE } # # Sequencer interface # seq.default { type hw hint.description "Default sequencer device" } seq.hw { type hw } # # HwDep interface # hwdep.default { type hw card { @func getenv vars [ ALSA_HWDEP_CARD ALSA_CARD ] default { @func refer name defaults.hwdep.card } } device { @func igetenv vars [ ALSA_HWDEP_DEVICE ] default { @func refer name defaults.hwdep.device } } hint.description "Default hardware dependent device" } hwdep.hw { @args [ CARD DEV ] @args.CARD { type string default { @func getenv vars [ ALSA_HWDEP_CARD ALSA_CARD ] default { @func refer name defaults.hwdep.card } } } @args.DEV { type integer default { @func igetenv vars [ ALSA_HWDEP_DEVICE ] default { @func refer name defaults.hwdep.device } } } type hw card $CARD device $DEV hint { description "Direct hardware dependent device" device $DEV } } # # Timer interface # timer_query.default { type hw } timer_query.hw { type hw } timer.default { type hw class { @func refer name defaults.timer.class } sclass { @func refer name defaults.timer.sclass } card { @func refer name defaults.timer.card } device { @func refer name defaults.timer.device } subdevice { @func refer name defaults.timer.subdevice } hint.description "Default timer device" } timer.hw { @args [ CLASS SCLASS CARD DEV SUBDEV ] @args.CLASS { type integer default { @func refer name defaults.timer.class } } @args.SCLASS { type integer default { @func refer name defaults.timer.sclass } } @args.CARD { type string default { @func refer name defaults.timer.card } } @args.DEV { type integer default { @func refer name defaults.timer.device } } @args.SUBDEV { type integer default { @func refer name defaults.timer.subdevice } } type hw class $CLASS sclass $SCLASS card $CARD device $DEV subdevice $SUBDEV hint { description "Direct timer device" device $DEV } } Despite the warnings, the module seems to work well (not fully tested).
Still I'd like to remove them if possible. Any suggestions?
1 Reset to default
