lame

lame — High-quality free MP3 encoder (deprecated)

Synopsis

struct              GstLame;

Object Hierarchy

  GObject
   +----GstObject
         +----GstElement
               +----GstAudioEncoder
                     +----GstLame

Implemented Interfaces

GstLame implements GstTagSetter and GstPreset.

Properties

  "allow-diff-short"         gboolean              : Read / Write
  "ath-lower"                gint                  : Read / Write
  "ath-only"                 gboolean              : Read / Write
  "ath-short"                gboolean              : Read / Write
  "bitrate"                  gint                  : Read / Write
  "compression-ratio"        gfloat                : Read / Write
  "copyright"                gboolean              : Read / Write
  "cwlimit"                  gint                  : Read / Write
  "disable-reservoir"        gboolean              : Read / Write
  "emphasis"                 gboolean              : Read / Write
  "error-protection"         gboolean              : Read / Write
  "extension"                gboolean              : Read / Write
  "force-ms"                 gboolean              : Read / Write
  "free-format"              gboolean              : Read / Write
  "highpass-freq"            gint                  : Read / Write
  "highpass-width"           gint                  : Read / Write
  "lowpass-freq"             gint                  : Read / Write
  "lowpass-width"            gint                  : Read / Write
  "mode"                     GstLameMode           : Read / Write
  "no-ath"                   gboolean              : Read / Write
  "no-short-blocks"          gboolean              : Read / Write
  "original"                 gboolean              : Read / Write
  "padding-type"             GstLamePadding        : Read / Write
  "preset"                   GstLamePreset         : Read / Write
  "quality"                  GstLameQuality        : Read / Write
  "strict-iso"               gboolean              : Read / Write
  "vbr"                      GstLameVbrmode        : Read / Write
  "vbr-hard-min"             gint                  : Read / Write
  "vbr-max-bitrate"          gint                  : Read / Write
  "vbr-mean-bitrate"         gint                  : Read / Write
  "vbr-min-bitrate"          gint                  : Read / Write
  "vbr-quality"              GstLameQuality        : Read / Write
  "xingheader"               gboolean              : Read / Write

Description

Synopsis

Element Information

plugin

lame

author

Erik Walthinsen <omega@cse.ogi.edu>, Wim Taymans <wim@fluendo.com>

class

Codec/Encoder/Audio

Element Pads

name

sink

direction

sink

presence

always

details

audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ]

name

src

direction

source

presence

always

details

audio/mpeg, mpegversion=(int)1, layer=(int)3, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ]

Details

struct GstLame

struct GstLame;

Property Details

The "allow-diff-short" property

  "allow-diff-short"         gboolean              : Read / Write

Allow diff short.

Default value: FALSE


The "ath-lower" property

  "ath-lower"                gint                  : Read / Write

lowers ATH by x dB.

Default value: 3


The "ath-only" property

  "ath-only"                 gboolean              : Read / Write

Ignore GPSYCHO completely, use ATH only.

Default value: FALSE


The "ath-short" property

  "ath-short"                gboolean              : Read / Write

Ignore GPSYCHO for short blocks, use ATH only.

Default value: FALSE


The "bitrate" property

  "bitrate"                  gint                  : Read / Write

Bitrate in kbit/sec (8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256 or 320).

Allowed values: [0,320]

Default value: 128


The "compression-ratio" property

  "compression-ratio"        gfloat                : Read / Write

let lame choose bitrate to achieve selected compression ratio.

Allowed values: [0,200]

Default value: 0


The "copyright" property

  "copyright"                gboolean              : Read / Write

Mark as copyright.

Default value: FALSE


The "cwlimit" property

  "cwlimit"                  gint                  : Read / Write

Compute tonality up to freq (in kHz) default 8.8717 (DEPRECATED: this setting has no effect).

Allowed values: [0,50000]

Default value: 0


The "disable-reservoir" property

  "disable-reservoir"        gboolean              : Read / Write

Disable the bit reservoir.

Default value: TRUE


The "emphasis" property

  "emphasis"                 gboolean              : Read / Write

Emphasis.

Default value: FALSE


The "error-protection" property

  "error-protection"         gboolean              : Read / Write

Adds 16 bit checksum to every frame.

Default value: FALSE


The "extension" property

  "extension"                gboolean              : Read / Write

Extension.

Default value: FALSE


The "force-ms" property

  "force-ms"                 gboolean              : Read / Write

Force ms_stereo on all frames.

Default value: FALSE


The "free-format" property

  "free-format"              gboolean              : Read / Write

Produce a free format bitstream.

Default value: FALSE


The "highpass-freq" property

  "highpass-freq"            gint                  : Read / Write

frequency(kHz), highpass filter cutoff below freq.

Allowed values: [0,50000]

Default value: 0


The "highpass-width" property

  "highpass-width"           gint                  : Read / Write

frequency(kHz) - default 15% of highpass freq.

Allowed values: >= -1

Default value: -1


The "lowpass-freq" property

  "lowpass-freq"             gint                  : Read / Write

frequency(kHz), lowpass filter cutoff above freq.

Allowed values: [0,50000]

Default value: 17000


The "lowpass-width" property

  "lowpass-width"            gint                  : Read / Write

frequency(kHz) - default 15% of lowpass freq.

Allowed values: >= -1

Default value: -1


The "mode" property

  "mode"                     GstLameMode           : Read / Write

Encoding mode.

Default value: Joint Stereo


The "no-ath" property

  "no-ath"                   gboolean              : Read / Write

turns ATH down to a flat noise floor.

Default value: FALSE


The "no-short-blocks" property

  "no-short-blocks"          gboolean              : Read / Write

Do not use short blocks.

Default value: FALSE


The "original" property

  "original"                 gboolean              : Read / Write

Mark as original.

Default value: TRUE


The "padding-type" property

  "padding-type"             GstLamePadding        : Read / Write

Padding type (DEPRECATED: this setting has no effect).

Default value: No Padding


The "preset" property

  "preset"                   GstLamePreset         : Read / Write

Lame Preset.

Default value: None


The "quality" property

  "quality"                  GstLameQuality        : Read / Write

Quality of algorithm used for encoding.

Default value: 3


The "strict-iso" property

  "strict-iso"               gboolean              : Read / Write

Comply as much as possible to ISO MPEG spec.

Default value: TRUE


The "vbr" property

  "vbr"                      GstLameVbrmode        : Read / Write

Specify bitrate mode.

Default value: No VBR (Constant Bitrate)


The "vbr-hard-min" property

  "vbr-hard-min"             gint                  : Read / Write

Specify whether min VBR bitrate is a hard limit. Normally, it can be violated for silence.

Allowed values: [0,1]

Default value: 0


The "vbr-max-bitrate" property

  "vbr-max-bitrate"          gint                  : Read / Write

Specify maximum VBR bitrate (8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256 or 320).

Allowed values: [0,320]

Default value: 0


The "vbr-mean-bitrate" property

  "vbr-mean-bitrate"         gint                  : Read / Write

Specify mean VBR bitrate.

Allowed values: [0,320]

Default value: 128


The "vbr-min-bitrate" property

  "vbr-min-bitrate"          gint                  : Read / Write

Specify minimum VBR bitrate (8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256 or 320).

Allowed values: [0,320]

Default value: 0


The "vbr-quality" property

  "vbr-quality"              GstLameQuality        : Read / Write

VBR Quality.

Default value: 4


The "xingheader" property

  "xingheader"               gboolean              : Read / Write

Output Xing Header (BROKEN, use xingmux instead).

Default value: FALSE