msdkh264enc

H264 video encoder based on Intel MFX

Example launch line

gst-launch-1.0 videotestsrc num-buffers=90 ! msdkh264enc ! h264parse ! filesink location=output.h264

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoEncoder
                    ╰──GstMsdkEnc
                        ╰──msdkh264enc

Factory details

Authors: – Josep Torra

Classification:Codec/Encoder/Video/Hardware

Rank – none

Plugin – msdk

Package – GStreamer Bad Plug-ins

Pad Templates

sink

video/x-raw
        format: { NV12, I420, YV12, YUY2, UYVY, BGRA }
         width: [ 1, 2147483647 ]
        height: [ 1, 2147483647 ]
     framerate: [ 0/1, 2147483647/1 ]
interlace-mode: progressive
video/x-raw(memory:DMABuf)
        format: NV12
         width: [ 1, 2147483647 ]
        height: [ 1, 2147483647 ]
     framerate: [ 0/1, 2147483647/1 ]
interlace-mode: progressive

Presencealways

Directionsink

Object typeGstPad


src

video/x-h264
     framerate: [ 0/1, 2147483647/1 ]
         width: [ 1, 2147483647 ]
        height: [ 1, 2147483647 ]
 stream-format: byte-stream
     alignment: au
       profile: { (string)high, (string)main, (string)baseline, (string)constrained-baseline }

Presencealways

Directionsrc

Object typeGstPad


Properties

b-pyramid

“b-pyramid” gboolean

Enable B-Pyramid Reference structure

Flags : Read / Write

Default value : false


cabac

“cabac” gboolean

Enable CABAC entropy coding

Flags : Read / Write

Default value : true


dblk-idc

“dblk-idc” guint

Option of disable deblocking idc

Flags : Read / Write

Default value : 0


frame-packing

“frame-packing” Msdk-h264enc-frame-packing *

Set frame packing mode for Stereoscopic content

Flags : Read / Write

Default value : none (-1)


intra-refresh-type

“intra-refresh-type” GstMsdkEncIntraRefreshType *

Set intra refresh type

Flags : Read / Write

Default value : no (0)


low-power

“low-power” gboolean

Enable low power mode (DEPRECATED, use tune instead)

Flags : Read / Write

Default value : false


max-qp

“max-qp” guint

Maximum quantizer for I/P/B frames

Flags : Read / Write

Default value : 0


max-slice-size

“max-slice-size” guint

Maximum slice size in bytes (if enabled MSDK will ignore the control over num-slices)

Flags : Read / Write

Default value : 0


min-qp

“min-qp” guint

Minimal quantizer for I/P/B frames

Flags : Read / Write

Default value : 0


p-pyramid

“p-pyramid” gboolean

Enable P-Pyramid Reference structure

Flags : Read / Write

Default value : false


rc-lookahead-ds

“rc-lookahead-ds” Msdk-enc-rclook-ahead-downsampling *

Down sampling mode in look ahead bitrate control

Flags : Read / Write

Default value : default (0)


trellis

“trellis” Msdk-enc-trellis-quantization *

Enable Trellis Quantization

Flags : Read / Write

Default value : None (0x00000000)


tune

“tune” GstMsdkEncTuneMode *

Encoder tuning option

Flags : Read / Write

Default value : auto (0)


Named constants

Msdk-enc-rclook-ahead-downsampling

Members

default (0) – SDK desides what to do
off (1) – No downsampling
2x (2) – Down sample 2-times before estimation
4x (3) – Down sample 4-times before estimation

Msdk-enc-trellis-quantization

Members

None (0x00000000) – Disable for all frames
i (0x00000002) – Enable for I frames
p (0x00000004) – Enable for P frames
b (0x00000008) – Enable for B frames

Msdk-h264enc-frame-packing

Members

none (-1) – None (default)
side-by-side (3) – Side by Side
top-bottom (7) – Top Bottom

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