mfh265enc
This element encodes raw video into H265 (HEVC) compressed data.
Example pipelines
gst-launch-1.0 -v videotestsrc ! mfh265enc ! h265parse ! qtmux ! filesink location=videotestsrc.mp4
This example pipeline will encode a test video source to H265 using Media Foundation encoder, and muxes it in a mp4 container.
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstVideoEncoder ╰──GstMFVideoEncoder ╰──mfh265enc
Implemented interfaces
Factory details
Authors: – Seungha Yang
Classification: – Codec/Encoder/Video/Hardware
Rank – secondary
Plugin – mediafoundation
Package – GStreamer Bad Plug-ins
Pad Templates
sink
video/x-raw(memory:D3D11Memory):
format: { NV12, P010_10LE }
width: [ 64, 8192 ]
height: [ 64, 8192 ]
video/x-raw:
format: { NV12, P010_10LE }
width: [ 64, 8192 ]
height: [ 64, 8192 ]
src
video/x-h265:
width: [ 64, 8192 ]
height: [ 64, 8192 ]
stream-format: byte-stream
alignment: au
profile: { (string)main, (string)main-10 }
Properties
adapter-luid
“adapter-luid” gint64
DXGI Adapter LUID for this elemenet
Flags : Read
Default value : 0
Since : 1.20
bframes
“bframes” guint
The maximum number of consecutive B frames
Flags : Read / Write
Default value : 0
bitrate
“bitrate” guint
Bitrate in kbit/sec
Flags : Read / Write
Default value : 2048
d3d11-aware
“d3d11-aware” gboolean
Whether element supports Direct3D11 texture as an input or not
Flags : Read
Default value : true
Since : 1.20
gop-size
“gop-size” gint
The number of pictures from one GOP header to the next. Depending on GPU vendor implementation, zero gop-size might produce only one keyframe at the beginning (-1 for automatic)
Flags : Read / Write
Default value : -1
low-latency
“low-latency” gboolean
Enable low latency encoding
Flags : Read / Write
Default value : false
max-bitrate
“max-bitrate” guint
The maximum bitrate applied when rc-mode is "pcvbr" in kbit/sec (0 = MFT default)
Flags : Read / Write
Default value : 0
max-qp
“max-qp” guint
Flags : Read / Write
Default value : 51
Since : 1.18
min-qp
“min-qp” guint
Flags : Read / Write
Default value : 0
Since : 1.18
qp
“qp” guint
QP applied when rc-mode is "qvbr"
Flags : Read / Write
Default value : 24
qp-b
“qp-b” guint
Flags : Read / Write
Default value : 26
Since : 1.18
qp-i
“qp-i” guint
Flags : Read / Write
Default value : 26
Since : 1.18
qp-p
“qp-p” guint
Flags : Read / Write
Default value : 26
Since : 1.18
quality-vs-speed
“quality-vs-speed” guint
Quality and speed tradeoff, [0, 33]: Low complexity, [34, 66]: Medium complexity, [67, 100]: High complexity
Flags : Read / Write
Default value : 50
ref
“ref” guint
Flags : Read / Write
Default value : 2
Since : 1.18
vbv-buffer-size
“vbv-buffer-size” guint
VBV(HRD) Buffer Size in bytes (0 = MFT default)
Flags : Read / Write
Default value : 0
Named constants
Mfh265enc-rcmode
Members
cbr
(0) – Constant bitrate
qvbr
(1) – Quality-based variable bitrate
Since : 1.18
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