nvd3d11h265enc

NVIDIA Direct3D11 mode H.265 encoder

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoEncoder
                    ╰──GstNvEncoder
                        ╰──nvd3d11h265enc

Implemented interfaces

Factory details

Authors: – Seungha Yang

Classification:Codec/Encoder/Video/Hardware

Rank – none

Plugin – nvcodec

Package – GStreamer Bad Plug-ins

Pad Templates

sink

video/x-raw(memory:D3D11Memory):
         format: { NV12, P010_10LE, Y444, Y444_16LE }
          width: [ 144, 8192 ]
         height: [ 48, 8192 ]
 interlace-mode: progressive
video/x-raw:
         format: { NV12, P010_10LE, Y444, Y444_16LE }
          width: [ 144, 8192 ]
         height: [ 48, 8192 ]
 interlace-mode: progressive

Presencealways

Directionsink

Object typeGstPad


src

video/x-h265:
          width: [ 144, 8192 ]
         height: [ 48, 8192 ]
        profile: { (string)main, (string)main-10, (string)main-444, (string)main-444-10 }
  stream-format: { (string)hvc1, (string)hev1, (string)byte-stream }
      alignment: au

Presencealways

Directionsrc

Object typeGstPad


Properties

adapter-luid

“adapter-luid” gint64

DXGI Adapter LUID (Locally Unique Identifier) of associated GPU

Flags : Read

Default value : 0


aq-strength

“aq-strength” guint

Adaptive Quantization Strength when spatial-aq is enabled from 1 (low) to 15 (aggressive), (0 = autoselect)

Flags : Read / Write

Default value : 0


aud

“aud” gboolean

Use AU (Access Unit) delimiter

Flags : Read / Write

Default value : true


b-adapt

“b-adapt” gboolean

Enable adaptive B-frame insert when lookahead is enabled

Flags : Read / Write

Default value : false


b-frames

“b-frames” guint

Number of B-frames between I and P

Flags : Read / Write

Default value : 0


bitrate

“bitrate” guint

Bitrate in kbit/sec (0 = automatic)

Flags : Read / Write

Default value : 0


const-quality

“const-quality” gdouble

Target Constant Quality level for VBR mode (0 = automatic)

Flags : Read / Write

Default value : 0


gop-size

“gop-size” gint

Number of frames between intra frames (-1 = infinite)

Flags : Read / Write

Default value : 30


i-adapt

“i-adapt” gboolean

Enable adaptive I-frame insert when lookahead is enabled

Flags : Read / Write

Default value : false


max-bitrate

“max-bitrate” guint

Maximum Bitrate in kbit/sec (ignored in CBR mode)

Flags : Read / Write

Default value : 0


max-qp-b

“max-qp-b” gint

Maximum QP value for B frame, (-1 = automatic)

Flags : Read / Write

Default value : -1


max-qp-i

“max-qp-i” gint

Maximum QP value for I frame, (-1 = disabled)

Flags : Read / Write

Default value : -1


max-qp-p

“max-qp-p” gint

Maximum QP value for P frame, (-1 = automatic)

Flags : Read / Write

Default value : -1


min-qp-b

“min-qp-b” gint

Minimum QP value for B frame, (-1 = automatic)

Flags : Read / Write

Default value : -1


min-qp-i

“min-qp-i” gint

Minimum QP value for I frame, (-1 = disabled)

Flags : Read / Write

Default value : -1


min-qp-p

“min-qp-p” gint

Minimum QP value for P frame, (-1 = automatic)

Flags : Read / Write

Default value : -1


nonref-p

“nonref-p” gboolean

Automatic insertion of non-reference P-frames

Flags : Read / Write

Default value : false


preset

“preset” GstNvEncoderPreset *

Encoding Preset

Flags : Read / Write

Default value : default (0)


qp-b

“qp-b” gint

Constant QP value for B frame (-1 = default)

Flags : Read / Write

Default value : -1


qp-i

“qp-i” gint

Constant QP value for I frame (-1 = default)

Flags : Read / Write

Default value : -1


qp-p

“qp-p” gint

Constant QP value for P frame (-1 = default)

Flags : Read / Write

Default value : -1


rate-control

“rate-control” GstNvEncoderRCMode *

Rate Control Method

Flags : Read / Write

Default value : vbr (1)


rc-lookahead

“rc-lookahead” guint

Number of frames for frame type lookahead

Flags : Read / Write

Default value : 0


repeat-sequence-header

“repeat-sequence-header” gboolean

Insert sequence headers (SPS/PPS) per IDR, ignored if negotiated stream-format is "hvc1"

Flags : Read / Write

Default value : false


spatial-aq

“spatial-aq” gboolean

Spatial Adaptive Quantization

Flags : Read / Write

Default value : false


strict-gop

“strict-gop” gboolean

Minimize GOP-to-GOP rate fluctuations

Flags : Read / Write

Default value : false


temporal-aq

“temporal-aq” gboolean

Temporal Adaptive Quantization

Flags : Read / Write

Default value : false


vbv-buffer-size

“vbv-buffer-size” guint

VBV(HRD) Buffer Size in kbits (0 = NVENC default)

Flags : Read / Write

Default value : 0


weighted-pred

“weighted-pred” gboolean

Enables Weighted Prediction

Flags : Read / Write

Default value : false


zero-reorder-delay

“zero-reorder-delay” gboolean

Zero latency operation (i.e., num_reorder_frames = 0)

Flags : Read / Write

Default value : false


Named constants

GstNvEncoderPreset

Members

default (0) – Default
hp (1) – High Performance
hq (2) – High Quality
low-latency (3) – Low Latency
low-latency-hq (4) – Low Latency, High Quality
low-latency-hp (5) – Low Latency, High Performance
lossless (6) – Lossless
lossless-hp (7) – Lossless, High Performance

GstNvEncoderRCMode

Members

cqp (0) – Constant Quantization
vbr (1) – Variable Bit Rate
cbr (2) – Constant Bit Rate
cbr-ld-hq (3) – Low-Delay CBR, High Quality
cbr-hq (4) – CBR, High Quality (slower)
vbr-hq (5) – VBR, High Quality (slower)

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