---
name: "dvsource-dvgrab"
section: "1"
platform: "linux"
package: "dvsource"
version: "0.8.3.6-1+b2"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/dvsource-dvgrab"
---

# dvsource-dvgrab(1)

Firewire and Video4Linux2 sources for DVswitch

## NAME

dvsource-dvgrab - Firewire and Video4Linux2 sources for DVswitch

## SYNOPSIS

**dvsource-firewire** \[*OPTIONS*\] \[**-c** *CARD-NUMBER* \| *DEVICE*\]

**dvsource-v4l2-dv** \[*OPTIONS*\] \[*DEVICE*\]

## DESCRIPTION

**dvsource-firewire** uses [**dvgrab**(1)](/dvgrab/1.md) to stream from a DV device (camera or VCR) connected by Firewire.

**dvsource-v4l2-dv** uses [**dvgrab**(1)](/dvgrab/1.md) to stream from a DV device that has a Video4Linux2 driver.  This includes most USB DV cameras if you have the uvcvideo driver installed.

## OPTIONS

- **-t**, **--tally**

  Print notices of activation and deactivation in the mixer, for use with a tally light.  These will take the form "TALLY: on" or "TALLY: off".

- **-h**, **--host=***HOST*

  - **-p**, **--port=***PORT*

  Specify the network address on which DVswitch is listening.  The host address may be specified by name or as an IPv4 or IPv6 literal.

- **-c**, **--card=***CARD-NUMBER*

  Specify the index of the Firewire card the DV device is connected to.

## AUTHOR

Ben Hutchings \<ben@decadent.org.uk\>.

## SEE ALSO

[dvgrab(1)](/dvgrab/1.md), /usr/share/doc/dvswitch/README