decklinkaudiosink
Playout Video and Audio to a BlackMagic DeckLink Device. Can only be used in conjunction with decklinkvideosink.
Sample pipeline
gst-launch-1.0 \
videotestsrc ! decklinkvideosink device-number=0 mode=1080p25 \
audiotestsrc ! decklinkaudiosink device-number=0
Playout a 1080p25 test-video with a test-audio signal to the SDI-Out of Card 0. Devices are numbered starting with 0.
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstBaseSink ╰──decklinkaudiosink
Factory details
Authors: – David Schleef
Classification: – Audio/Sink/Hardware
Rank – none
Plugin – gstdecklink
Package – GStreamer Bad Plug-ins
Pad Templates
sink
audio/x-raw:
format: { S16LE, S32LE }
channels: { (int)2, (int)8, (int)16 }
rate: 48000
layout: interleaved
Properties
alignment-threshold
“alignment-threshold” guint64
Timestamp alignment threshold in nanoseconds
Flags : Read / Write
Default value : 40000000
blocksize
“blocksize” guint
Size in bytes to pull per buffer (0 = default)
Flags : Read / Write
Default value : 4096
buffer-time
“buffer-time” guint64
Size of audio buffer in microseconds, this is the minimum latency that the sink reports
Flags : Read / Write
Default value : 50000
device-number
“device-number” gint
Output device instance to use
Flags : Read / Write / Construct
Default value : 0
discont-wait
“discont-wait” guint64
Window of time in nanoseconds to wait before creating a discontinuity
Flags : Read / Write
Default value : 1000000000
enable-last-sample
“enable-last-sample” gboolean
Enable the last-sample property
Flags : Read / Write
Default value : true
hw-serial-number
“hw-serial-number” gchararray
The serial number (hardware ID) of the Decklink card
Flags : Read
Default value : NULL
max-bitrate
“max-bitrate” guint64
The maximum bits per second to render (0 = disabled)
Flags : Read / Write
Default value : 0
max-lateness
“max-lateness” gint64
Maximum number of nanoseconds that a buffer can be late before it is dropped (-1 unlimited)
Flags : Read / Write
Default value : 20000000
processing-deadline
“processing-deadline” guint64
Maximum processing time for a buffer in nanoseconds
Flags : Read / Write
Default value : 20000000
qos
“qos” gboolean
Generate Quality-of-Service events upstream
Flags : Read / Write
Default value : false
render-delay
“render-delay” guint64
Additional render delay of the sink in nanoseconds
Flags : Read / Write
Default value : 0
stats
“stats” GstStructure *
Sink Statistics
Flags : Read
Default value :
application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;
throttle-time
“throttle-time” guint64
The time to keep between rendered buffers (0 = disabled)
Flags : Read / Write
Default value : 0
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