mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-23 08:46:40 +00:00
Code Issues 1 Projects Releases Wiki Activity
gstreamer/subprojects/gst-plugins-bad/sys/aja
History
Sebastian Dröge 86e3009448 ajasrc: Move frame drop detection after the frame transfer 
Otherwise there's a small window between querying the state and doing
the transfer in which a frame could be dropped, and we would then output
the frame right after the dropped one as if it was the dropped frame.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6208>
2024-03-06 11:09:58 +00:00
..
.clang-format aja: Move clang-format configuration from the top-level to the plugin subdirectory 2023-10-27 11:44:36 +00:00
gstajacommon.cpp aja: Replace global semaphore with per-device flock() 2024-02-15 09:30:20 +00:00
gstajacommon.h aja: Replace global semaphore with per-device flock() 2024-02-15 09:30:20 +00:00
gstajadeviceprovider.cpp Prepare for merging into GStreamer 2023-10-26 09:27:46 +03:00
gstajadeviceprovider.h Prepare for merging into GStreamer 2023-10-26 09:27:46 +03:00
gstajasink.cpp aja: Replace global semaphore with per-device flock() 2024-02-15 09:30:20 +00:00
gstajasink.h ajasink: Add HANC/VANC ancillary data from GstAncillaryMeta 2024-02-08 15:28:39 +00:00
gstajasinkcombiner.cpp Prepare for merging into GStreamer 2023-10-26 09:27:46 +03:00
gstajasinkcombiner.h Prepare for merging into GStreamer 2023-10-26 09:27:46 +03:00
gstajasrc.cpp ajasrc: Move frame drop detection after the frame transfer 2024-03-06 11:09:58 +00:00
gstajasrc.h ajasrc: Add GstAncillaryMeta for any HANC/VANC ancillary data that is captured 2024-02-08 15:28:39 +00:00
gstajasrcdemux.cpp Prepare for merging into GStreamer 2023-10-26 09:27:46 +03:00
gstajasrcdemux.h Prepare for merging into GStreamer 2023-10-26 09:27:46 +03:00
meson.build aja: suppress compiler warnings for aja ntv2 subproject 2024-02-10 10:10:06 +00:00
plugin.cpp aja: Add basic documentation 2023-10-26 09:36:10 +03:00
README.md aja: Add basic documentation 2023-10-26 09:36:10 +03:00

README.md

GStreamer AJA source/sink plugin

GStreamer plugin for AJA 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 is compiled as a meson subproject as part of the plugin.

Example usage

Capture 1080p30 audio/video and display it locally

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

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

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