faac
(from GStreamer Bad Plug-ins git)Free MPEG-2/4 AAC encoder
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstAudioEncoder ╰──faac
Factory details
Authors: – Ronald Bultje
Classification: – Codec/Encoder/Audio
Rank – secondary
Plugin – libgstfaac.so
Package – GStreamer Bad Plug-ins git
Pad Templates
sink
audio/x-raw:
format: S16LE
layout: interleaved
rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000, (int)64000, (int)88200, (int)96000 }
channels: 1
audio/x-raw:
format: S16LE
layout: interleaved
rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000, (int)64000, (int)88200, (int)96000 }
channels: 2
channel-mask: 0x0000000000000003
audio/x-raw:
format: S16LE
layout: interleaved
rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000, (int)64000, (int)88200, (int)96000 }
channels: 3
channel-mask: 0x0000000000000007
audio/x-raw:
format: S16LE
layout: interleaved
rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000, (int)64000, (int)88200, (int)96000 }
channels: 4
channel-mask: 0x0000000000000107
audio/x-raw:
format: S16LE
layout: interleaved
rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000, (int)64000, (int)88200, (int)96000 }
channels: 5
channel-mask: 0x0000000000000037
audio/x-raw:
format: S16LE
layout: interleaved
rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000, (int)64000, (int)88200, (int)96000 }
channels: 6
channel-mask: 0x000000000000003f
Presence – always
Direction – sink
src
audio/mpeg:
mpegversion: 4
channels: [ 1, 6 ]
rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000, (int)64000, (int)88200, (int)96000 }
stream-format: { (string)adts, (string)raw }
base-profile: { (string)main, (string)lc, (string)ssr, (string)ltp }
framed: true
audio/mpeg:
mpegversion: 2
channels: [ 1, 6 ]
rate: { (int)8000, (int)11025, (int)12000, (int)16000, (int)22050, (int)24000, (int)32000, (int)44100, (int)48000, (int)64000, (int)88200, (int)96000 }
stream-format: { (string)adts, (string)raw }
profile: { (string)main, (string)lc }
framed: true
Presence – always
Direction – src
Properties
bitrate
“bitrate” gint
Average Bitrate (ABR) in bits/sec
Flags : Read / Write / Construct
Default value : 128000
hard-resync
“hard-resync” gboolean
Perform clipping and sample flushing upon discontinuity
Flags : Read / Write
Default value : false
mark-granule
“mark-granule” gboolean
Apply granule semantics to buffer metadata (implies perfect-timestamp)
Flags : Read
Default value : false
midside
“midside” gboolean
Allow mid/side encoding
Flags : Read / Write / Construct
Default value : true
perfect-timestamp
“perfect-timestamp” gboolean
Favour perfect timestamps over tracking upstream timestamps
Flags : Read / Write
Default value : false
quality
“quality” gint
Variable bitrate (VBR) quantizer quality in %
Flags : Read / Write / Construct
Default value : 100
rate-control
“rate-control” Faac-brtype
Encoding bitrate type (VBR/ABR)
Flags : Read / Write / Construct
Default value : VBR encoding (1)
shortctl
“shortctl” Faac-short-ctl
Block type encorcing
Flags : Read / Write / Construct
Default value : Normal block type (0)
tns
“tns” gboolean
Use temporal noise shaping
Flags : Read / Write / Construct
Default value : false
tolerance
“tolerance” gint64
Consider discontinuity if timestamp jitter/imperfection exceeds tolerance (ns)
Flags : Read / Write
Default value : 40000000
Named constants
Faac-brtype
Members
VBR encoding (1) – VBR
ABR encoding (2) – ABR
Faac-short-ctl
Members
Normal block type (0) – SHORTCTL_NORMAL
No short blocks (1) – SHORTCTL_NOSHORT
No long blocks (2) – SHORTCTL_NOLONG
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