avenc_msmpeg4

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstVideoEncoder
                    ╰──avenc_msmpeg4

Implemented interfaces

GstPreset

Factory details

sink

video/x-raw:
         format: I420

src

video/x-msmpeg:
  msmpegversion: 43

b-qfactor

“b-qfactor” gfloat

QP factor between P- and B-frames (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 1.25

b-qoffset

“b-qoffset” gfloat

QP offset between P- and B-frames (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 1.25

bidir-refine

“bidir-refine” gint

refine the two motion vectors used in bidirectional macroblocks (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 1

bitrate

“bitrate” gint

set bitrate (in bits/s) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 200000

bitrate-tolerance

“bitrate-tolerance” gint

Set video bitrate tolerance (in bits/s). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality. (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 4000000

border-mask

“border-mask” gfloat

increase the quantizer for macroblocks close to borders (Private codec option)

Flags : Read / Write

Default value : 0

bufsize

“bufsize” gint

set ratecontrol buffer size (in bits) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

chroma-elim-threshold

“chroma-elim-threshold” gint

single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (Private codec option)

Flags : Read / Write

Default value : 0

chroma-sample-location

“chroma-sample-location” avcodeccontext-chroma-sample-location-type *

chroma sample location (Generic codec option, might have no effect)

Flags : Read / Write

Default value : unknown (0)

cmp

“cmp” avcodeccontext-cmp-func *

full-pel ME compare function (Generic codec option, might have no effect)

Flags : Read / Write

Default value : sad (0)

compression-level

“compression-level” gint

(null) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : -1

dark-mask

“dark-mask” gfloat

compresses dark areas stronger than medium ones (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

dc

“dc” gint

intra_dc_precision (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

dct

“dct” avcodeccontext-dct *

DCT algorithm (Generic codec option, might have no effect)

Flags : Read / Write

Default value : auto (0)

debug

“debug” avcodeccontext-debug *

print specific debug info (Generic codec option, might have no effect)

Flags : Read / Write

Default value : (none)

dia-size

“dia-size” gint

diamond type & size for motion estimation (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

dump-separator

“dump-separator” gchararray

set information dump field separator (Generic codec option, might have no effect)

Flags : Read / Write

Default value : NULL

err-detect

“err-detect” avcodeccontext-err-detect *

set error detection flags (Generic codec option, might have no effect)

Flags : Read / Write

Default value : (none)

error-rate

“error-rate” gint

Simulate errors in the bitstream to test error concealment. (Private codec option)

Flags : Read / Write

Default value : 0

export-side-data

“export-side-data” avcodeccontext-export-side-data *

Export metadata as side data (Generic codec option, might have no effect)

Flags : Read / Write

Default value : (none)

field-order

“field-order” avcodeccontext-field-order *

Field order (Generic codec option, might have no effect)

Flags : Read / Write

Default value : unknown (0)

flags

“flags” avcodeccontext-flags *

(null) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : (none)

flags2

“flags2” avcodeccontext-flags2 *

(null) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : (none)

global-quality

“global-quality” gint

(null) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

gop-size

“gop-size” gint

set the group of picture (GOP) size (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 12

i-qfactor

“i-qfactor” gfloat

QP factor between P- and I-frames (Generic codec option, might have no effect)

Flags : Read / Write

Default value : -0.8

i-qoffset

“i-qoffset” gfloat

QP offset between P- and I-frames (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

idct

“idct” avcodeccontext-idct *

select IDCT implementation (Generic codec option, might have no effect)

Flags : Read / Write

Default value : auto (0)

ildctcmp

“ildctcmp” avcodeccontext-cmp-func *

interlaced DCT compare function (Generic codec option, might have no effect)

Flags : Read / Write

Default value : vsad (8)

intra-penalty

“intra-penalty” gint

Penalty for intra blocks in block decision (Private codec option)

Flags : Read / Write

Default value : 0

keyint-min

“keyint-min” gint

minimum interval between IDR-frames (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 25

last-pred

“last-pred” gint

amount of motion predictors from the previous frame (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

lmax

“lmax” gint

maximum Lagrange factor (VBR) (Private codec option)

Flags : Read / Write

Default value : 3658

lmin

“lmin” gint

minimum Lagrange factor (VBR) (Private codec option)

Flags : Read / Write

Default value : 236

luma-elim-threshold

“luma-elim-threshold” gint

single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (Private codec option)

Flags : Read / Write

Default value : 0

lumi-mask

“lumi-mask” gfloat

compresses bright areas stronger than medium ones (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

max-bframes

“max-bframes” gint

set maximum number of B-frames between non-B-frames (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

max-pixels

“max-pixels” gint64

Maximum number of pixels (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 2147483647

maxrate

“maxrate” gint64

maximum bitrate (in bits/s). Used for VBV together with bufsize. (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

mbcmp

“mbcmp” avcodeccontext-cmp-func *

macroblock compare function (Generic codec option, might have no effect)

Flags : Read / Write

Default value : sad (0)

mbd

“mbd” avcodeccontext-mbd *

macroblock decision algorithm (high quality mode) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : simple (0)

mblmax

“mblmax” gint

maximum macroblock Lagrange factor (VBR) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 3658

mblmin

“mblmin” gint

minimum macroblock Lagrange factor (VBR) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 236

me-range

“me-range” gint

limit motion vectors range (1023 for DivX player) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

mepc

“mepc” gint

Motion estimation bitrate penalty compensation (1.0 = 256) (Private codec option)

Flags : Read / Write

Default value : 256

mepre

“mepre” gint

pre motion estimation (Private codec option)

Flags : Read / Write

Default value : 0

minrate

“minrate” gint64

minimum bitrate (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

motion-est

“motion-est” generic-mpegvideo-encoder-motion-est *

motion estimation algorithm (Private codec option)

Flags : Read / Write

Default value : epzs (1)

mpv-flags

“mpv-flags” generic-mpegvideo-encoder-mpv-flags *

Flags common for all mpegvideo-based encoders. (Private codec option)

Flags : Read / Write

Default value : (none)

multipass-cache-file

“multipass-cache-file” gchararray

Filename for multipass cache file

Flags : Read / Write / Construct

Default value : stats.log

mv0-threshold

“mv0-threshold” gint

(null) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 256

noise-reduction

“noise-reduction” gint

Noise reduction (Private codec option)

Flags : Read / Write

Default value : 0

nssew

“nssew” gint

nsse weight (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 8

p-mask

“p-mask” gfloat

inter masking (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

pass

“pass” GstLibAVEncPass *

Encoding pass/type

Flags : Read / Write / Construct

Default value : cbr (0)

pre-dia-size

“pre-dia-size” gint

diamond type & size for motion estimation pre-pass (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

precmp

“precmp” avcodeccontext-cmp-func *

pre motion estimation compare function (Generic codec option, might have no effect)

Flags : Read / Write

Default value : sad (0)

ps

“ps” gint

RTP payload size in bytes (Private codec option)

Flags : Read / Write

Default value : 0

qblur

“qblur” gfloat

video quantizer scale blur (VBR) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0.5

qcomp

“qcomp” gfloat

video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0 (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0.5

qdiff

“qdiff” gint

maximum difference between the quantizer scales (VBR) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 3

qmax

“qmax” gint

maximum video quantizer scale (VBR) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 31

qmin

“qmin” gint

minimum video quantizer scale (VBR) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 2

qsquish

“qsquish” gfloat

how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (Private codec option)

Flags : Read / Write

Default value : 0

quantizer

“quantizer” gfloat

Constant Quantizer

Flags : Read / Write / Construct

Default value : 0.01

quantizer-noise-shaping

“quantizer-noise-shaping” gint

(null) (Private codec option)

Flags : Read / Write

Default value : 0

rc-buf-aggressivity

“rc-buf-aggressivity” gfloat

currently useless (Private codec option)

Flags : Read / Write

Default value : 1

rc-eq

“rc-eq” gchararray

Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. (Private codec option)

Flags : Read / Write

Default value : NULL

rc-init-cplx

“rc-init-cplx” gfloat

initial complexity for 1-pass encoding (Private codec option)

Flags : Read / Write

Default value : 0

rc-init-occupancy

“rc-init-occupancy” gint

number of bits which should be loaded into the rc buffer before decoding starts (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

rc-max-vbv-use

“rc-max-vbv-use” gfloat

(null) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

rc-min-vbv-use

“rc-min-vbv-use” gfloat

(null) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 3

rc-qmod-amp

“rc-qmod-amp” gfloat

experimental quantizer modulation (Private codec option)

Flags : Read / Write

Default value : 0

rc-qmod-freq

“rc-qmod-freq” gint

experimental quantizer modulation (Private codec option)

Flags : Read / Write

Default value : 0

refs

“refs” gint

reference frames to consider for motion compensation (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 1

sc-threshold

“sc-threshold” gint

Scene change threshold (Private codec option)

Flags : Read / Write

Default value : 0

scplx-mask

“scplx-mask” gfloat

spatial complexity masking (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

skip-cmp

“skip-cmp” generic-mpegvideo-encoder-cmp-func *

Frame skip compare function (Private codec option)

Flags : Read / Write

Default value : dctmax (13)

skip-exp

“skip-exp” gint

Frame skip exponent (Private codec option)

Flags : Read / Write

Default value : 0

skip-factor

“skip-factor” gint

Frame skip factor (Private codec option)

Flags : Read / Write

Default value : 0

skip-threshold

“skip-threshold” gint

Frame skip threshold (Private codec option)

Flags : Read / Write

Default value : 0

slices

“slices” gint

set the number of slices, used in parallelized encoding (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

strict

“strict” avcodeccontext-strict *

how strictly to follow the standards (Generic codec option, might have no effect)

Flags : Read / Write

Default value : normal (0)

subcmp

“subcmp” avcodeccontext-cmp-func *

sub-pel ME compare function (Generic codec option, might have no effect)

Flags : Read / Write

Default value : sad (0)

subq

“subq” gint

sub-pel motion estimation quality (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 8

tcplx-mask

“tcplx-mask” gfloat

temporal complexity masking (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0

thread-type

“thread-type” avcodeccontext-thread-type *

select multithreading type (Generic codec option, might have no effect)

Flags : Read / Write

Default value : slice+frame

threads

“threads” avcodeccontext-threads *

set the number of threads (Generic codec option, might have no effect)

Flags : Read / Write

Default value : unknown (1)

ticks-per-frame

“ticks-per-frame” gint

(null) (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 1

trellis

“trellis” gint

rate-distortion optimal quantization (Generic codec option, might have no effect)

Flags : Read / Write

Default value : 0