struct GstX264Enc

struct GstX264Enc;

The "analyse" property

  "analyse"                  GstX264EncAnalyse     : Read / Write

Partitions to consider.

The "aud" property

  "aud"                      gboolean              : Read / Write

Use AU (Access Unit) delimiter.

Default value: TRUE

The "b-adapt" property

  "b-adapt"                  gboolean              : Read / Write

Automatically decide how many B-frames to use.

Default value: TRUE

The "b-pyramid" property

  "b-pyramid"                gboolean              : Read / Write

Keep some B-frames as references.

Default value: FALSE

The "bframes" property

  "bframes"                  guint                 : Read / Write

Number of B-frames between I and P.

Allowed values: <= 4

Default value: 0

The "bitrate" property

  "bitrate"                  guint                 : Read / Write

Bitrate in kbit/sec.

Allowed values: [1,102400]

Default value: 2048

The "byte-stream" property

  "byte-stream"              gboolean              : Read / Write

Generate byte stream format of NALU.

Default value: FALSE

The "cabac" property

  "cabac"                    gboolean              : Read / Write

Enable CABAC entropy coding.

Default value: TRUE

The "dct8x8" property

  "dct8x8"                   gboolean              : Read / Write

Adaptive spatial transform size.

Default value: FALSE

The "interlaced" property

  "interlaced"               gboolean              : Read / Write

Interlaced material.

Default value: FALSE

The "ip-factor" property

  "ip-factor"                gfloat                : Read / Write

Quantizer factor between I- and P-frames.

Allowed values: [0,2]

Default value: 1.4

The "key-int-max" property

  "key-int-max"              guint                 : Read / Write

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

Allowed values: <= G_MAXINT

Default value: 0

The "me" property

  "me"                       GstX264EncMe          : Read / Write

Integer pixel motion estimation method.

Default value: hex

The "multipass-cache-file" property

  "multipass-cache-file"     gchar*                : Read / Write

Filename for multipass cache file.

Default value: "x264.log"

The "noise-reduction" property

  "noise-reduction"          guint                 : Read / Write

Noise reduction strength.

Allowed values: <= 100000

Default value: 0

The "pass" property

  "pass"                     GstX264EncPass        : Read / Write

Encoding pass/type.

Default value: Constant Bitrate Encoding

The "pb-factor" property

  "pb-factor"                gfloat                : Read / Write

Quantizer factor between P- and B-frames.

Allowed values: [0,2]

Default value: 1.3

The "qp-max" property

  "qp-max"                   guint                 : Read / Write

Maximum quantizer.

Allowed values: [1,51]

Default value: 51

The "qp-min" property

  "qp-min"                   guint                 : Read / Write

Minimum quantizer.

Allowed values: [1,51]

Default value: 10

The "qp-step" property

  "qp-step"                  guint                 : Read / Write

Maximum quantizer difference between frames.

Allowed values: [1,50]

Default value: 4

The "quantizer" property

  "quantizer"                guint                 : Read / Write

Constant quantizer or quality to apply.

Allowed values: [1,50]

Default value: 21

The "ref" property

  "ref"                      guint                 : Read / Write

Number of reference frames.

Allowed values: [1,12]

Default value: 1

The "sps-id" property

  "sps-id"                   guint                 : Read / Write

SPS and PPS ID number.

Allowed values: <= 31

Default value: 0

The "stats-file" property

  "stats-file"               gchar*                : Read / Write

Filename for multipass statistics (deprecated, use multipass-cache-file).

Default value: "x264.log"

The "subme" property

  "subme"                    guint                 : Read / Write

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

Allowed values: [1,10]

Default value: 1

The "threads" property

  "threads"                  guint                 : Read / Write

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

Allowed values: <= 4

Default value: 0

The "trellis" property

  "trellis"                  gboolean              : Read / Write

Enable trellis searched quantization.

Default value: TRUE

The "vbv-buf-capacity" property

  "vbv-buf-capacity"         guint                 : Read / Write

Size of the VBV buffer in milliseconds.

Allowed values: <= 10000

Default value: 600

The "weightb" property

  "weightb"                  gboolean              : Read / Write

Weighted prediction for B-frames.

Default value: FALSE

The "intra-refresh" property

  "intra-refresh"            gboolean              : Read / Write

Use Periodic Intra Refresh instead of IDR frames.

Default value: FALSE

The "mb-tree" property

  "mb-tree"                  gboolean              : Read / Write

Macroblock-Tree ratecontrol.

Default value: TRUE

The "rc-lookahead" property

  "rc-lookahead"             gint                  : Read / Write

Number of frames for frametype lookahead.

Allowed values: [0,250]

Default value: 40

The "sliced-threads" property

  "sliced-threads"           gboolean              : Read / Write

Low latency but lower efficiency threading.

Default value: FALSE

The "sync-lookahead" property

  "sync-lookahead"           gint                  : Read / Write

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

Allowed values: [G_MAXULONG,250]

Default value: -1

The "option-string" property

  "option-string"            gchar*                : Read / Write

String of x264 options (overridden by element properties).

Default value: ""

The "profile" property

  "profile"                  GstX264EncProfile     : Read / Write

Apply restrictions to meet H.264 Profile constraints. This will override other properties if necessary. This will only be used if downstream elements do not specify a profile in their caps (DEPRECATED).

Default value: main

The "psy-tune" property

  "psy-tune"                 GstX264EncPsyTune     : Read / Write

Preset name for psychovisual tuning options.

Default value: No tuning

The "speed-preset" property

  "speed-preset"             GstX264EncPreset      : Read / Write

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

Default value: medium

The "tune" property

  "tune"                     GstX264EncTune        : Read / Write

Preset name for non-psychovisual tuning options.