Forgot the name of the program that is good for video surveillance

Support & Help Requests
1

I forgot the name of the program that is good for video surveillance.

I will be using my webcam mounted on my window.

Thanks.

2

There were two separate discussions:

3 
guvcview --resolution=1280x720
GUVCVIEW: version 2.0.7
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
ALSA lib pcm_dsnoop.c:601:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dmix.c:1032:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
ALSA lib pcm_oss.c:397:(_snd_pcm_oss_open) Cannot open device /dev/dsp
ALSA lib pcm_oss.c:397:(_snd_pcm_oss_open) Cannot open device /dev/dsp
ALSA lib confmisc.c:160:(snd_config_get_card) Invalid field card
ALSA lib pcm_usb_stream.c:482:(_snd_pcm_usb_stream_open) Invalid card 'card'
ALSA lib confmisc.c:160:(snd_config_get_card) Invalid field card
ALSA lib pcm_usb_stream.c:482:(_snd_pcm_usb_stream_open) Invalid card 'card'
ALSA lib pcm_dmix.c:1032:(snd_pcm_dmix_open) unable to open slave
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
libv4l2: error setting pixformat: Device or resource busy
V4L2_CORE: (VIDIOC_S_FORMAT) Unable to set format: Device or resource busy
GUCVIEW: could not set the defined stream format
GUCVIEW: trying first listed stream format
libv4l2: error setting pixformat: Device or resource busy
V4L2_CORE: (VIDIOC_S_FORMAT) Unable to set format: Device or resource busy
GUCVIEW: also could not set the first listed stream format
GUVCVIEW: Video capture failed
GUVCVIEW (1): Guvcview error
	 could not start a video stream in the device

(guvcview:54788): Gtk-WARNING **: 20:41:28.795: Theme parsing error: <data>:1:17: not a number

(guvcview:54788): Gtk-WARNING **: 20:41:28.795: Theme parsing error: <data>:1:31: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(guvcview:54788): Gtk-WARNING **: 20:41:28.795: Theme parsing error: <data>:1:17: not a number

(guvcview:54788): Gtk-WARNING **: 20:41:28.795: Theme parsing error: <data>:1:32: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(guvcview:54788): Gtk-WARNING **: 20:41:28.795: Theme parsing error: <data>:1:17: not a number

(guvcview:54788): Gtk-WARNING **: 20:41:28.795: Theme parsing error: <data>:1:26: Using Pango syntax for the font: style property is deprecated; please use CSS syntax
control[0]:(unknown - 0x6) 0x980001 'User Controls'
control[9]:(unknown - 0x6) 0x9a0001 'Camera Controls'
GUVCVIEW (1): Guvcview error
	 invalid pixel format
GUVCVIEW: invalid pixel format
V4L2_CORE: [get resolution index] format index (-1) is not valid [0 - 5]
GUVCVIEW (1): Guvcview error
	 invalid resolution index
GUVCVIEW: invalid resolution index
4

It isn't guvcview.

It is ffmpeg.

The first link gave you a posting ... which included a script with options.