| # GStreamer AJA source/sink plugin | |
| [GStreamer](https://gstreamer.freedesktop.org/) plugin for | |
| [AJA](https://www.aja.com) capture and output cards. | |
| This plugin requires the AJA NTV2 SDK version 16 or newer. | |
| The location of the SDK can be configured via the `aja-sdk-dir` meson option. | |
| If no location is given then the NTV2 SDK from | |
| [GitHub](https://github.com/aja-video/ntv2.git) is compiled as a meson | |
| subproject as part of the plugin. | |
| ## Example usage | |
| Capture 1080p30 audio/video and display it locally | |
| ```sh | |
| gst-launch-1.0 ajasrc video-format=1080p-3000 ! ajasrcdemux name=d \ | |
| d.video ! queue max-size-bytes=0 max-size-buffers=0 max-size-time=1000000000 ! videoconvert ! autovideosink \ | |
| d.audio ! queue max-size-bytes=0 max-size-buffers=0 max-size-time=1000000000 ! audioconvert ! audioresample ! autoaudiosink | |
| ``` | |
| Output a 1080p2997 test audio/video stream | |
| ```sh | |
| gst-launch-1.0 videotestsrc pattern=ball ! video/x-raw,format=v210,width=1920,height=1080,framerate=30000/1001,interlace-mode=progressive ! timeoverlay ! timecodestamper ! combiner.video \ | |
| audiotestsrc freq=440 ! audio/x-raw,format=S32LE,rate=48000,channels=16 ! audiobuffersplit output-buffer-duration=1/30 ! combiner.audio \ | |
| ajasinkcombiner name=combiner ! ajasink channel=0 | |
| ``` | |
| Capture 1080p30 audio/video and directly output it again on the same card | |
| ```sh | |
| gst-launch-1.0 ajasrc video-format=1080p-3000 channel=1 input-source=sdi-1 audio-system=2 ! ajasrcdemux name=d \ | |
| d.video ! queue max-size-bytes=0 max-size-buffers=0 max-size-time=1000000000 ! c.video \ | |
| d.audio ! queue max-size-bytes=0 max-size-buffers=0 max-size-time=1000000000 ! c.audio \ | |
| ajasinkcombiner name=c ! ajasink channel=0 reference-source=input-1 | |
| ``` |