4 title: Blackmagic Design DeckLink Capture
6 copyright: Copytight (C) 2011 Daniel R. Dennedy
14 Capture video and audio using Blackmagic Design DeckLink SDI or Intensity
17 Please ensure that you use a MLT profile that is compatible with a broadcast
18 standard which the card you are using supports. If you must use an interlaced
19 profile but wish to deinterlace or scale the input, then you must use the
20 consumer producer, e.g.:
21 melt -profile square_pal consumer:decklink: profile=dv_pal
23 - It is incompatible with the yadif deinterlacer.
24 - Transport controls such as seeking has no affect.
25 - External deck control is not implemented.
26 - Only 8-bit Y'CbCr is supported at this time.
28 - identifier: argument
35 - identifier: channels
46 There is a queue of frames between this plugin and its consumer.
47 If the consumer has a little, intermittent delay then it reduces the
48 risk of dropping a frame. However, this provides a maximum number of
49 frames that can be buffered to prevent consuming memory unbounded in
50 the case of frequent or sustained delays.
59 description: Initially fill the buffer with a number of frames.
67 title: Vertical ancillary capture
69 Captures vertical ancillary data as image data and places it at the top
70 of the visible/active image.
71 You can either set the number of lines to capture or use -1 for automatic
81 description: Support preview monitoring when paused (speed = 0).
89 title: Number of devices
94 - identifier: device.*
96 description: The model name of each device that accepts input.