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Blackmagic device module

This page is updated to the 2.1 version

The blackmagic device module provides compatibility with those Blackmagic Design capture cards compatible with Linux, for instance Decklink SDI and Intensity Pro. These capture cards are focused on recording High Definition formats but they also record other formats such as Svideo, Composite and Components.

Consult our page dedicated to Blackmagic cards for a more detailed information.

Blackmagic Linux-compatible cards

Technical details

Blackmagic Decklink SDI

From http://www.blackmagicdesign.com/products/decklink/techspecs

Connectors SD Formats HD Formats 720p HD Formats 1080i HD Formats 180p Audio Input
BNC and Breakout cable 625/25 PAL, 525/29.97 NTSC and 525/23.98 NTSC 720p50, 720p59.94, 720p60 1080i50, 1080i59.94 and 1080i60 1080PsF23.98, 1080p23.98, 1080PsF24, 1080p24, 1080PsF25, 1080p25, 1080PsF29.97, 1080p29.97, 1080PsF30, 1080p30 8 Channels embedded in SD and HD

Blackmagic Intensity PRO (HDMI)

http://www.blackmagicdesign.com/products/intensity/

Connectors SD Formats HD Formats 720p HD Formats 1080i HD Formats 180p Audio Input
HDMI 4:2:2 and Breakout cable with components (also composite and svideo 625i/50 PAL and 525i/59.94 NTSC. 720p50, 720p59.94 and 720p60 1080i50, 1080i59.94 and 1080i60 1080p23.98, 1080p24, 1080p25, 1080p29.97 and 1080p30 2 Channel RCA HiFi audio in 24 bit

Module Configuration

Admitted values:
  • name: Name assigned to the device.
  • device: Device type: blackmagic
  • location: Device's mount point in the system.
  • file: The file name where the track will be recorded.
  • flavor: Matterhorn "flavor" associated to the track. (presenter|presentation|other)
  • input: Input signal format. (sdi|hdmi|opticalsdi|component|composite|svideo)
  • input-mode: Input video mode and framerate (eg. 1080i60). More information here.
  • audio-input: Input audio mode (none|auto|embedded|aes|analog). More information here.
  • subdevice: Select a Blackmagic card from a maximum of 4 devices (0-3, Default: 0)
  • audio-input: Input audio mode (none|auto|embedded|aes|analog). More information here.
  • vumeter: Activates data sending to the program's vumeter. (True|False) Only one device should be activated.
  • player: Whether the audio input would be played on preview. (True|False)
  • amplification: Gstreamer amplification value: < 1 decreases and > 1 increases volume. Values between 1 and 2 are commonly used. (0-10)

Examples

Decklink with SDI and audio automatic
[track1]
name = Decklink
device = blackmagic
flavor = presenter
file = CAMERA.avi
location = /dev/blackmagic0
input = sdi
input-mode = 720p50
audio-mode = auto
subdevice = 0
vumeter = True
player = False
amplification = 1.0
HDMI at 1080p 50 fps without audio
[track2]
name = BlackmagicHDMI
device = blackmagic
location = /dev/blackmagic1
file = CAMERA.avi
flavor = presentation
input = hdmi
input-mode = 1080p50
audio-mode = none
subdevice = 0