x264enc

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoEncoder
                    ╰──x264enc

Implemented interfaces

GstPreset

Factory details

sink

video/x-raw:
      framerate: [ 0/1, 2147483647/1 ]
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
         format: { Y444, Y42B, I420, YV12, NV12, GRAY8, Y444_10LE, I422_10LE, I420_10LE }

src

video/x-h264:
      framerate: [ 0/1, 2147483647/1 ]
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
  stream-format: { (string)avc, (string)byte-stream }
      alignment: au
        profile: { (string)high-4:4:4, (string)high-4:2:2, (string)high-10, (string)high, (string)main, (string)baseline, (string)constrained-baseline, (string)high-4:4:4-intra, (string)high-4:2:2-intra, (string)high-10-intra }

analyse

“analyse” GstX264EncAnalyse *

Partitions to consider

Flags : Read / Write

Default value : (none)

aud

“aud” gboolean

Use AU (Access Unit) delimiter

Flags : Read / Write

Default value : true

b-adapt

“b-adapt” gboolean

Automatically decide how many B-frames to use

Flags : Read / Write

Default value : true

b-pyramid

“b-pyramid” gboolean

Keep some B-frames as references

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

Flags : Read / Write

Default value : 2048

byte-stream

“byte-stream” gboolean

Generate byte stream format of NALU

Flags : Read / Write

Default value : false

cabac

“cabac” gboolean

Enable CABAC entropy coding

Flags : Read / Write

Default value : true

dct8x8

“dct8x8” gboolean

Adaptive spatial transform size

Flags : Read / Write

Default value : false

frame-packing

“frame-packing” GstX264EncFramePacking *

Set frame packing mode for Stereoscopic content

Flags : Read / Write

Default value : auto (-1)

insert-vui

“insert-vui” gboolean

Insert VUI NAL in stream

Flags : Read / Write

Default value : true

interlaced

“interlaced” gboolean

Interlaced material

Flags : Read / Write

Default value : false

intra-refresh

“intra-refresh” gboolean

Use Periodic Intra Refresh instead of IDR frames

Flags : Read / Write

Default value : false

ip-factor

“ip-factor” gfloat

Quantizer factor between I- and P-frames

Flags : Read / Write

Default value : 1.4

key-int-max

“key-int-max” guint

Maximal distance between two key-frames (0 for automatic)

Flags : Read / Write

Default value : 0

mb-tree

“mb-tree” gboolean

Macroblock-Tree ratecontrol

Flags : Read / Write

Default value : true

me

“me” GstX264EncMe *

Integer pixel motion estimation method

Flags : Read / Write

Default value : hex (1)

multipass-cache-file

“multipass-cache-file” gchararray

Filename for multipass cache file

Flags : Read / Write

Default value : x264.log

noise-reduction

“noise-reduction” guint

Noise reduction strength

Flags : Read / Write

Default value : 0

option-string

“option-string” gchararray

String of x264 options (overridden by element properties) in the format "key1=value1:key2=value2".

Flags : Read / Write

pass

“pass” GstX264EncPass *

Encoding pass/type

Flags : Read / Write

Default value : cbr (0)

pb-factor

“pb-factor” gfloat

Quantizer factor between P- and B-frames

Flags : Read / Write

Default value : 1.3

psy-tune

“psy-tune” GstX264EncPsyTune *

Preset name for psychovisual tuning options

Flags : Read / Write

Default value : none (0)

qp-max

“qp-max” guint

Maximum quantizer

Flags : Read / Write

Default value : 51

qp-min

“qp-min” guint

Minimum quantizer

Flags : Read / Write

Default value : 10

qp-step

“qp-step” guint

Maximum quantizer difference between frames

Flags : Read / Write

Default value : 4

quantizer

“quantizer” guint

Constant quantizer or quality to apply

Flags : Read / Write

Default value : 21

rc-lookahead

“rc-lookahead” gint

Number of frames for frametype lookahead

Flags : Read / Write

Default value : 40

ref

“ref” guint

Number of reference frames

Flags : Read / Write

Default value : 3

sliced-threads

“sliced-threads” gboolean

Low latency but lower efficiency threading

Flags : Read / Write

Default value : false

speed-preset

“speed-preset” GstX264EncPreset *

Preset name for speed/quality tradeoff options (can affect decode compatibility - impose restrictions separately for your target decoder)

Flags : Read / Write

Default value : medium (6)

sps-id

“sps-id” guint

SPS and PPS ID number

Flags : Read / Write

Default value : 0

subme

“subme” guint

Subpixel motion estimation and partition decision quality: 1=fast, 10=best

Flags : Read / Write

Default value : 1

sync-lookahead

“sync-lookahead” gint

Number of buffer frames for threaded lookahead (-1 for automatic)

Flags : Read / Write

Default value : -1

threads

“threads” guint

Number of threads used by the codec (0 for automatic)

Flags : Read / Write

Default value : 0

trellis

“trellis” gboolean

Enable trellis searched quantization

Flags : Read / Write

Default value : true

tune

“tune” GstX264EncTune *

Preset name for non-psychovisual tuning options

Flags : Read / Write

Default value : (none)

vbv-buf-capacity

“vbv-buf-capacity” guint

Size of the VBV buffer in milliseconds

Flags : Read / Write

Default value : 600

weightb

“weightb” gboolean

Weighted prediction for B-frames

Flags : Read / Write

Default value : false

GstX264EncAnalyse

GstX264EncFramePacking

GstX264EncMe

GstX264EncPass

GstX264EncPreset

GstX264EncPsyTune

GstX264EncTune