nvav1enc

Encode AV1 video streams using NVCODEC API CUDA Mode

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoEncoder
                    ╰──GstNvEncoder
                        ╰──nvav1enc

Implemented interfaces

Factory details

Authors: – Seungha Yang

Classification: – Codec/Encoder/Video/Hardware

Rank – primary + 1

Plugin – nvcodec

Package – GStreamer Bad Plug-ins

Pad Templates

sink

video/x-raw(memory:CUDAMemory):
         format: { NV12, P010_10LE, VUYA, RGBA, RGBx, BGRA, BGRx, RGB10A2_LE }
          width: [ 192, 8192 ]
         height: [ 128, 8192 ]

video/x-raw(memory:GLMemory):
         format: { NV12, P010_10LE, VUYA, RGBA, RGBx, BGRA, BGRx, RGB10A2_LE }
          width: [ 192, 8192 ]
         height: [ 128, 8192 ]
video/x-raw:
         format: { NV12, P010_10LE, VUYA, RGBA, RGBx, BGRA, BGRx, RGB10A2_LE }
          width: [ 192, 8192 ]
         height: [ 128, 8192 ]

Presence – always

Direction – sink

Object type – GstPad

src

video/x-av1:
          width: [ 192, 8192 ]
         height: [ 128, 8192 ]
        profile: main
  stream-format: obu-stream
      alignment: tu

Presence – always

Direction – src

Object type – GstPad

Properties

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

b-adapt 

“b-adapt” gboolean

Enable adaptive B-frame insert when lookahead is enabled

Flags : Read / Write

Default value : false

bframes 

“bframes” 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

cuda-device-id 

“cuda-device-id” guint

CUDA device ID of associated GPU

Flags : Read

Default value : 0

gop-size 

“gop-size” gint

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

Flags : Read / Write

Default value : 75

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

multi-pass 

“multi-pass” GstNvEncoderMultiPass *

Multi pass encoding

Flags : Read / Write

Default value : default (0)

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-const-b 

“qp-const-b” gint

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

Flags : Read / Write

Default value : -1

qp-const-i 

“qp-const-i” gint

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

Flags : Read / Write

Default value : -1

qp-const-p 

“qp-const-p” gint

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

Flags : Read / Write

Default value : -1

qp-max-b 

“qp-max-b” gint

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

Flags : Read / Write

Default value : -1

qp-max-i 

“qp-max-i” gint

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

Flags : Read / Write

Default value : -1

qp-max-p 

“qp-max-p” gint

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

Flags : Read / Write

Default value : -1

qp-min-b 

“qp-min-b” gint

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

Flags : Read / Write

Default value : -1

qp-min-i 

“qp-min-i” gint

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

Flags : Read / Write

Default value : -1

qp-min-p 

“qp-min-p” gint

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

Flags : Read / Write

Default value : -1

rc-lookahead 

“rc-lookahead” guint

Number of frames for frame type lookahead

Flags : Read / Write

Default value : 0

rc-mode 

“rc-mode” GstNvEncoderRCMode *

Rate Control Mode

Flags : Read / Write

Default value : default (0)

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

tune 

“tune” GstNvEncoderTune *

Encoding tune

Flags : Read / Write

Default value : default (0)

vbv-buffer-size 

“vbv-buffer-size” guint

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

Flags : Read / Write

Default value : 0

zerolatency 

“zerolatency” gboolean

Zero latency operation (no reordering delay)

Flags : Read / Write

Default value : false

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