vaapih265enc

Encodes raw video streams into HEVC bitstreams.

Example launch line

  gst-launch-1.0 -ev videotestsrc num-buffers=60 ! timeoverlay ! vaapih265enc ! h265parse ! matroskamux ! filesink location=test.mkv

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoEncoder
                    ╰──GstVaapiEncode
                        ╰──vaapih265enc

Implemented interfaces

GstPreset

Factory details

Authors: – Sreerenj Balachandran

Classification: – Codec/Encoder/Video/Hardware

Rank – primary

Plugin – vaapi

Package – gstreamer-vaapi

Pad Templates

`sink`

video/x-raw(memory:VASurface):
         format: { ENCODED, NV12, YV12, I420, YUY2, UYVY, Y444, GRAY8, P010_10LE, P012_LE, VUYA, Y210, Y410, Y212_LE, Y412_LE, ARGB, xRGB, RGBA, RGBx, ABGR, xBGR, BGRA, BGRx, RGB16, RGB, BGR10A2_LE }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]
 interlace-mode: progressive
video/x-raw:
         format: { ENCODED, NV12, YV12, I420, YUY2, UYVY, Y444, GRAY8, P010_10LE, P012_LE, VUYA, Y210, Y410, Y212_LE, Y412_LE, ARGB, xRGB, RGBA, RGBx, ABGR, xBGR, BGRA, BGRx, RGB16, RGB, BGR10A2_LE }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]
 interlace-mode: progressive

video/x-raw(memory:DMABuf):
         format: { ENCODED, NV12, YV12, I420, YUY2, UYVY, Y444, GRAY8, P010_10LE, P012_LE, VUYA, Y210, Y410, Y212_LE, Y412_LE, ARGB, xRGB, RGBA, RGBx, ABGR, xBGR, BGRA, BGRx, RGB16, RGB, BGR10A2_LE }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]
 interlace-mode: progressive

Presence – always

Direction – sink

Object type – GstPad

`src`

video/x-h265:
  stream-format: { (string)hvc1, (string)byte-stream }
      alignment: au

Presence – always

Direction – src

Object type – GstPad

Properties

bitrate

“bitrate” guint

The desired bitrate expressed in kbps (0: auto-calculate)

Flags : Read / Write

Default value : 0

cpb-length

“cpb-length” guint

Length of the CPB buffer in milliseconds

Flags : Read / Write

Default value : 1500

default-roi-delta-qp

“default-roi-delta-qp” gint

The default delta-qp to apply to each Region of Interest(lower value means higher-quality, higher value means lower-quality)

Flags : Read / Write

Default value : -10

init-qp

“init-qp” guint

Initial quantizer value

Flags : Read / Write

Default value : 26

keyframe-period

“keyframe-period” guint

Maximal distance between two keyframes (0: auto-calculate)

Flags : Read / Write

Default value : 30

low-delay-b

“low-delay-b” gboolean

Transforms P frames into predictive B frames. Enable it when P frames are not supported.

Flags : Read / Write

Default value : false

max-bframes

“max-bframes” guint

Number of B-frames between I and P

Flags : Read / Write

Default value : 0

max-qp

“max-qp” guint

Maximum quantizer value

Flags : Read / Write

Default value : 51

mbbrc

“mbbrc” GstVaapiEncoderMbbrc *

Macroblock level Bitrate Control

Flags : Read / Write

Default value : auto (0)

min-qp

“min-qp” guint

Minimum quantizer value

Flags : Read / Write

Default value : 1

num-slices

“num-slices” guint

Number of slices per frame

Flags : Read / Write

Default value : 1

num-tile-cols

“num-tile-cols” guint

the number of columns for tile encoding

Flags : Read / Write

Default value : 1

num-tile-rows

“num-tile-rows” guint

the number of rows for tile encoding

Flags : Read / Write

Default value : 1

qp-ib

“qp-ib” gint

Difference of QP between I and B frame (available only on CQP)

Flags : Read / Write

Default value : 0

qp-ip

“qp-ip” gint

Difference of QP between I and P frame (available only on CQP)

Flags : Read / Write

Default value : 0

quality-factor

“quality-factor” guint

quality factor for ICQ/QBVR bitrate control mode (lower value means higher quality, higher value means lower quality)

Flags : Read / Write

Default value : 26

quality-level

“quality-level” guint

Encoding Quality Level (lower value means higher-quality/slow-encode, higher value means lower-quality/fast-encode)

Flags : Read / Write

Default value : 4

rate-control

“rate-control” Vaapi-rate-control-h265 *

Rate control mode

Flags : Read / Write

Default value : cqp (1)

refs

“refs” guint

Number of reference frames

Flags : Read / Write

Default value : 1

target-percentage

“target-percentage” guint

The desired target percentage of bitrate for variable rate controls.

Flags : Read / Write

Default value : 70

trellis

“trellis” gboolean

The Trellis Quantization Method of Encoder

Flags : Read / Write

Default value : false

tune

“tune” Vaapi-encoder-tune-h265 *

Encoder tuning option

Flags : Read / Write

Default value : none (0)

Named constants

GstVaapiEncoderMbbrc

Members

auto (0) – Auto

on (1) – On

off (2) – Off

Vaapi-encoder-tune-h265

Members

none (0) – None

low-power (3) – Low power mode

Vaapi-rate-control-h265

Members

cqp (1) – Constant QP

cbr (2) – Constant bitrate

vbr (4) – Variable bitrate

icq (7) – Constant QP - Intelligent

qvbr (8) – Variable bitrate - Quality defined

The results of the search are