>Date: Tue, 22 Apr 2014 01:02:07 +0200 >From: [email protected] >To: lubuntu user list >Subject: webcam (guvcview) does not work >Message-ID: >Content-Type: text/plain; charset=ISO-8859-15 > >Only now i realised in 14.04 guvcview - at least for me is not working >anymore. When i start it in a terminal, i'm getting the following - >long! ;-) - errorlist: > >--- >~$ guvcview >guvcview 1.7.1 >file guvcview_video.mkv has extension type 1 >file guvcview_image.jpg has extension type 0 >file guvcview_image.jpg has extension type 0 >Video file suffix detected: 0 >Image file suffix detected: 0 >ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave >ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave >ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear >ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe >ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side >bt_audio_service_open: connect() failed: Verbindungsaufbau abgelehnt (111) >bt_audio_service_open: connect() failed: Verbindungsaufbau abgelehnt (111) >bt_audio_service_open: connect() failed: Verbindungsaufbau abgelehnt (111) >bt_audio_service_open: connect() failed: Verbindungsaufbau abgelehnt (111) >ALSA lib pcm_equal.c:196:(_snd_pcm_equal_open) No slave configuration >for equal pcm >ALSA lib pcm_equal.c:196:(_snd_pcm_equal_open) No slave configuration >for equal pcm >ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave >Cannot connect to server socket err = Datei oder Verzeichnis nicht gefunden >Cannot connect to server request channel >jack server is not running or cannot be started >video device: /dev/video0 >unable to detect video devices on your system (0) >ERROR opening V4L interface: Datei oder Verzeichnis nicht gefunden >Init video returned -1 >--- > >Any ideas in regard? In 13.10 i had no problem. > >I also installed (with '--no-install-recommends' - fear of big gnome >dependencies) cheese. But it does not work either. There the errorlist >looks like this: > >--- >** Message: cheese-application.vala:291: Error during camera setup: Kein >Ger?t gefunden > > >(cheese:21060): cheese-CRITICAL **: >cheese_camera_device_get_device_node: assertion 'CHEESE_IS_CAMERA_DEVICE >(device)' failed > >(cheese:21060): GLib-CRITICAL **: g_variant_new_string: assertion >'string != NULL' failed > >(cheese:21060): GLib-GIO-CRITICAL **: g_settings_schema_key_type_check: >assertion 'value != NULL' failed > >(cheese:21060): GLib-CRITICAL **: g_variant_get_type_string: assertion >'value != NULL' failed > >(cheese:21060): GLib-GIO-CRITICAL **: g_settings_set_value: key 'camera' >in 'org.gnome.Cheese' expects type 's', but a GVariant of type '(null)' >was given > >** (cheese:21060): CRITICAL **: >cheese_preferences_dialog_setup_resolutions_for_device: assertion >'device != NULL' failed >--- >
Hi, Is this an USB webcam? If so, try connecting it to a different USB port. What does ls /lib/udev | grep /dev/video return? Kind regards, Geoffrey De Belie / Smile4ever -- Lubuntu-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/lubuntu-users
