gst-inspect-1.0 nvv4l2h264enc
Factory Details:
Rank primary + 1 (257)
Long-name V4L2 H.264 Encoder
Klass Codec/Encoder/Video
Description Encode H.264 video streams via V4L2 API
Author ayaka <ayaka@soulik.info>
Plugin Details:
Name nvvideo4linux2
Description Nvidia elements for Video 4 Linux
Filename /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvvideo4linux2.so
Version 1.14.0
License LGPL
Source module nvvideo4linux2
Binary package nvvideo4linux2
Origin URL http://nvidia.com/
GObject
+----GInitiallyUnowned
+----GstObject
+----GstElement
+----GstVideoEncoder
+----GstV4l2VideoEnc
+----GstV4l2H264Enc
+----nvv4l2h264enc
Implemented Interfaces:
GstPreset
Pad Templates:
SRC template: 'src'
Availability: Always
Capabilities:
video/x-h264
stream-format: byte-stream
alignment: { (string)au, (string)nal }
SINK template: 'sink'
Availability: Always
Capabilities:
video/x-raw(memory:NVMM)
width: [ 1, 2147483647 ]
height: [ 1, 2147483647 ]
format: { (string)I420, (string)NV12, (string)P010_10LE, (string)NV24 }
framerate: [ 0/1, 2147483647/1 ]
Element has no clocking capabilities.
Element has no URI handling capabilities.
Pads:
SINK: 'sink'
Pad Template: 'sink'
SRC: 'src'
Pad Template: 'src'
Element Properties:
EnableMVBufferMeta : Enable Motion Vector Meta data for encoding
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
MeasureEncoderLatency: Enable Measure Encoder latency Per Frame
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: 0
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
bitrate : Set bitrate for v4l2 encode
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 4000000
capture-io-mode : Capture I/O mode (matches src pad)
flags: readable, writable
Enum "GstNvV4l2EncCaptureIOMode" Default: 0, "auto"
(0): auto - GST_V4L2_IO_AUTO
(2): mmap - GST_V4L2_IO_MMAP
control-rate : Set control rate for v4l2 encode
flags: readable, writable, changeable only in NULL or READY state
Enum "GstV4l2VideoEncRateControlType" Default: 1, "constant_bitrate"
(0): variable_bitrate - GST_V4L2_VIDENC_VARIABLE_BITRATE
(1): constant_bitrate - GST_V4L2_VIDENC_CONSTANT_BITRATE
device : Device location
flags: readable
String. Default: "/dev/nvhost-msenc"
device-fd : File descriptor of the device
flags: readable
Integer. Range: -1 - 2147483647 Default: -1
device-name : Name of the device
flags: Opening in BLOCKING MODE
readable
String. Default: ""
disable-cabac : Set Entropy Coding Type CAVLC(TRUE) or CABAC(FALSE)
flags: readable, writable
Boolean. Default: false
enable-lossless : Enable lossless encoding for YUV444
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
extra-controls : Extra v4l2 controls (CIDs) for the device
flags: readable, writable
Boxed pointer of type "GstStructure"
idrinterval : Encoding IDR Frame occurance frequency
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 256
iframeinterval : Encoding Intra Frame occurance frequency
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 30
insert-aud : Insert H.264 Access Unit Delimiter(AUD)
flags: readable, writable
Boolean. Default: false
insert-sps-pps : Insert H.264 SPS, PPS at every IDR frame
flags: readable, writable
Boolean. Default: false
insert-vui : Insert H.264 VUI(Video Usability Information) in SPS
flags: readable, writable
Boolean. Default: false
maxperf-enable : Enable or Disable Max Performance mode
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: false
name : The name of the object
flags: readable, writable
String. Default: "nvv4l2h264enc0"
num-B-Frames : Number of B Frames between two reference frames (not recommended)
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 2 Default: 0
num-Ref-Frames : Number of Reference Frames for encoder
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 8 Default: 1
output-io-mode : Output side I/O mode (matches sink pad)
flags: readable, writable
Enum "GstNvV4l2EncOutputIOMode" Default: 0, "auto"
(0): auto - GST_V4L2_IO_AUTO
(2): mmap - GST_V4L2_IO_MMAP
(5): dmabuf-import - GST_V4L2_IO_DMABUF_IMPORT
parent : The parent of the object
flags: readable, writable
Object of type "GstObject"
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
poc-type : Set Picture Order Count type value
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 2 Default: 0
preset-level : HW preset level for encoder
flags: readable, writable, changeable only in NULL or READY state
Enum "GstV4L2VideoEncHwPreset" Default: 1, "UltraFastPreset"
(0): DisablePreset - Disable HW-Preset
(1): UltraFastPreset - UltraFastPreset for high perf
(2): FastPreset - FastPreset
(3): MediumPreset - MediumPreset
(4): SlowPreset - SlowPreset
profile : Set profile for v4l2 encode
flags: readable, writable, changeable only in NULL or READY state
Enum "GstV4l2VideoEncProfileType" Default: 0, "Baseline"
(0): Baseline - GST_V4L2_H264_VIDENC_BASELINE_PROFILE
(2): Main - GST_V4L2_H264_VIDENC_MAIN_PROFILE
(4): High - GST_V4L2_H264_VIDENC_HIGH_PROFILE
(7): High444 - GST_V4L2_H264_VIDENC_HIGH_444_PREDICTIVE
qos : Handle Quality-of-Service events from downstream
flags: readable, writable
Boolean. Default: false
qp-range : Qunatization range for P, I and B frame,
Use string with values of Qunatization Range
in MinQpP-MaxQpP:MinQpI-MaxQpI:MinQpB-MaxQpB order, to set the property.
flags: readable, writable
String. Default: null
quant-b-frames : Quantization parameter for B-frames (0xffffffff=component default),
use with ratecontrol-enable = 0
and preset-level = 0
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 4294967295
quant-i-frames : Quantization parameter for I-frames (0xffffffff=component default),
use with ratecontrol-enable = 0
and preset-level = 0
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),
use with ratecontrol-enable = 0
and preset-level = 0
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 4294967295
ratecontrol-enable : Enable or Disable rate control mode
flags: readable, writable, changeable only in NULL or READY state
Boolean. Default: true
slice-header-spacing: Slice Header Spacing number of macroblocks/bits in one packet
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer64. Range: 0 - 18446744073709551615 Default: 0
vbv-size : virtual buffer size
flags: readable, writable, changeable only in NULL or READY state
Unsigned Integer. Range: 0 - 4294967295 Default: 4000000
Element Actions:
"force-IDR" : void user_function (GstElement* object);
