omxh265enc - documentation

Encodes raw video streams into HEVC bitstreams.

nvidia@nvidia:~$ gst-inspect-1.0 omxh265enc
Factory Details:
Rank primary + 10 (266)
Long-name OpenMAX H.265 Video Encoder
Klass Codec/Encoder/Video
Description Encode H.265 video streams
Author Sanket Kothari <skothari@nvidia.com>

Plugin Details:
Name omx
Description GStreamer OpenMAX Plug-ins
Filename /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstomx.so
Version 1.2.3
License LGPL
Source module gstreamer
Source release date 2014-02-08
Binary package GStreamer source release
Origin URL Unknown package origin

GObject
+----GInitiallyUnowned
+----GstObject
+----GstElement
+----GstVideoEncoder
+----GstOMXVideoEnc
+----GstOMXH265Enc
+----GstOMXH265Enc-omxh265enc

Implemented Interfaces:
GstPreset

Pad Templates:
SINK template: 'sink'
Availability: Always
Capabilities:
video/x-raw(memory:NVMM)
format: { (string)I420, (string)I420_10LE, (string)NV12 }
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]
video/x-raw
format: { (string)I420, (string)NV12 }
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]

SRC template: 'src'
Availability: Always
Capabilities:
video/x-h265
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
framerate: [ 0/1, 2147483647/1 ]
stream-format: { (string)byte-stream, (string)hvc1 }
alignment: au

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
SINK: 'sink'
Pad Template: 'sink'
SRC: 'src'
Pad Template: 'src'

Element Properties:
name : The name of the object
flags: readable, writable
String. Default: "omxh265enc-omxh265enc0"
parent : The parent of the object
flags: readable, writable
Object of type "GstObject"
qos : Handle Quality-of-Service events from downstream
flags: readable, writable
Boolean. Default: false
control-rate : Bitrate control method
flags: readable, writable, changeable only in NULL or READY state
Enum "GstOMXVideoEncControlRate" Default: 1, "variable"
(0): disable - Disable
(1): variable - Variable
(2): constant - Constant
(3): variable-skip-frames - Variable Skip Frames
(4): constant-skip-frames - Constant Skip Frames
bitrate : Target bitrate
flags: readable, writable, changeable in NULL, READY, PAUSED or PLAYING state
Unsigned Integer. Range: 0 - 4294967295 Default: 4000000
peak-bitrate : Peak bitrate in variable control-rate
The value must be >= bitrate
(1.2*bitrate) is set by default(Default: 0)
flags: readable, writable, changeable in NULL, READY, PAUSED or PLAYING state
Unsigned Integer. Range: 0 - 4294967295 Default: 0
quant-i-frames : Quantization parameter for I-frames (0xffffffff=component default)
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 4294967295
quant-p-frames : Quantization parameter for P-frames (0xffffffff=component default)
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 4294967295
quant-b-frames : Quantization parameter for B-frames (0xffffffff=component default)
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 4294967295
iframeinterval : Encoding Intra Frame occurance frequency
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 0
SliceIntraRefreshEnable: Enable Slice Intra Refresh while encoding
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
SliceIntraRefreshInterval: Set SliceIntraRefreshInterval
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 60
bit-packetization : Whether or not Packet size is based upon Number Of bits
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
vbv-size : virtual buffer size = vbv-size * (bitrate/fps)
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 30 Default: 10
temporal-tradeoff : Temporal Tradeoff value for encoder
flags: readable, writable, changeable only in NULL or READY state
Enum "GstOmxVideoEncTemporalTradeoffType" Default: 0, "Do not drop frames"
(0): Do not drop frames - GST_OMX_VIDENC_DROP_NO_FRAMES
(1): Drop 1 in 5 frames - GST_OMX_VIDENC_DROP_1_IN_5_FRAMES
(2): Drop 1 in 3 frames - GST_OMX_VIDENC_DROP_1_IN_3_FRAMES
(3): Drop 1 in 2 frames - GST_OMX_VIDENC_DROP_1_IN_2_FRAMES
(4): Drop 2 in 3 frames - GST_OMX_VIDENC_DROP_2_IN_3_FRAMES
EnableMVBufferMeta : Enable Motion Vector Meta data for encoding
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
qp-range : Qunatization range for P and I frame,
Use string with values of Qunatization Range
in MinQpP-MaxQpP:MinQpI-MaxQpP:MinQpB-MaxQpB order, to set the property.
flags: readable, writable
String. Default: "-1,-1:-1,-1:-1,-1"
MeasureEncoderLatency: Enable Measure Encoder latency Per Frame
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
EnableTwopassCBR : Enable two pass CBR while encoding
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
preset-level : HW preset level for encoder
flags: readable, writable, changeable only in NULL or READY state
Enum "GstOMXVideoEncHwPreset" Default: 0, "UltraFastPreset"
(0): UltraFastPreset - UltraFastPreset for high perf
(1): FastPreset - FastPreset
(2): MediumPreset - MediumPreset
(3): SlowPreset - SlowPreset
EnableStringentBitrate: Enable Stringent Bitrate Mode
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
slice-header-spacing: Slice Header Spacing number of macroblocks/bits in one packet
flags: readable, writable, changeable only in NULL or READY state
Unsigned Long. Range: 0 - 18446744073709551615 Default: 0
insert-aud : Insert H.265 Access Unit Delimiter(AUD)
flags: readable, writable
Boolean. Default: false
insert-vui : Insert H.265 VUI(Video Usability Information) in SPS
flags: readable, writable
Boolean. Default: false

Element Actions:
"force-IDR" : void user_function (GstElement* object);
nvidia@nvidia:~$