Table of Contents

Class Functions

Namespace
GstAudio.Internal
Assembly
GstAudio-1.0.dll
public static class Functions
Inheritance
Functions
Inherited Members

Methods

AudioBufferClip(BufferUnownedHandle, SegmentHandle, int, int)

Calls native function gst_audio_buffer_clip.

public static extern BufferOwnedHandle AudioBufferClip(BufferUnownedHandle buffer, SegmentHandle segment, int rate, int bpf)

Parameters

buffer BufferUnownedHandle

Transfer ownership: Full Nullable: False

segment SegmentHandle

Transfer ownership: None Nullable: False

rate int

Transfer ownership: None Nullable: False

bpf int

Transfer ownership: None Nullable: False

Returns

BufferOwnedHandle

Transfer ownership: Full Nullable: True

AudioBufferMap(AudioBufferOwnedHandle, AudioInfoHandle, BufferHandle, MapFlags)

Calls native function gst_audio_buffer_map. Version: 1.16

[Version("1.16")]
public static extern bool AudioBufferMap(AudioBufferOwnedHandle buffer, AudioInfoHandle info, BufferHandle gstbuffer, MapFlags flags)

Parameters

buffer AudioBufferOwnedHandle

Transfer ownership: None Nullable: False

info AudioInfoHandle

Transfer ownership: None Nullable: False

gstbuffer BufferHandle

Transfer ownership: None Nullable: False

flags MapFlags

Transfer ownership: None Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioBufferReorderChannels(BufferHandle, AudioFormat, int, AudioChannelPosition[], AudioChannelPosition[])

Calls native function gst_audio_buffer_reorder_channels.

public static extern bool AudioBufferReorderChannels(BufferHandle buffer, AudioFormat format, int channels, AudioChannelPosition[] from, AudioChannelPosition[] to)

Parameters

buffer BufferHandle

Transfer ownership: None Nullable: False

format AudioFormat

Transfer ownership: None Nullable: False

channels int

Transfer ownership: None Nullable: False

from AudioChannelPosition[]

Transfer ownership: None Nullable: False

to AudioChannelPosition[]

Transfer ownership: None Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioBufferTruncate(BufferUnownedHandle, int, nuint, nuint)

Calls native function gst_audio_buffer_truncate. Version: 1.16

[Version("1.16")]
public static extern BufferOwnedHandle AudioBufferTruncate(BufferUnownedHandle buffer, int bpf, nuint trim, nuint samples)

Parameters

buffer BufferUnownedHandle

Transfer ownership: Full Nullable: False

bpf int

Transfer ownership: None Nullable: False

trim nuint

Transfer ownership: None Nullable: False

samples nuint

Transfer ownership: None Nullable: False

Returns

BufferOwnedHandle

Transfer ownership: Full Nullable: False

AudioChannelGetFallbackMask(int)

Calls native function gst_audio_channel_get_fallback_mask. Version: 1.8

[Version("1.8")]
public static extern ulong AudioChannelGetFallbackMask(int channels)

Parameters

channels int

Transfer ownership: None Nullable: False

Returns

ulong

Transfer ownership: None Nullable: False

AudioChannelMixerNew(AudioChannelMixerFlags, AudioFormat, int, nint, int, nint)

Calls native function gst_audio_channel_mixer_new.

public static extern AudioChannelMixerUnownedHandle AudioChannelMixerNew(AudioChannelMixerFlags flags, AudioFormat format, int inChannels, nint inPosition, int outChannels, nint outPosition)

Parameters

flags AudioChannelMixerFlags

Transfer ownership: None Nullable: False

format AudioFormat

Transfer ownership: None Nullable: False

inChannels int

Transfer ownership: None Nullable: False

inPosition nint

Transfer ownership: None Nullable: False

outChannels int

Transfer ownership: None Nullable: False

outPosition nint

Transfer ownership: None Nullable: False

Returns

AudioChannelMixerUnownedHandle

Transfer ownership: None Nullable: False

AudioChannelMixerNewWithMatrix(AudioChannelMixerFlags, AudioFormat, int, int, ref float)

Calls native function gst_audio_channel_mixer_new_with_matrix. Version: 1.14

[Version("1.14")]
public static extern AudioChannelMixerUnownedHandle AudioChannelMixerNewWithMatrix(AudioChannelMixerFlags flags, AudioFormat format, int inChannels, int outChannels, ref float matrix)

Parameters

flags AudioChannelMixerFlags

Transfer ownership: None Nullable: False

format AudioFormat

Transfer ownership: None Nullable: False

inChannels int

Transfer ownership: None Nullable: False

outChannels int

Transfer ownership: None Nullable: False

matrix float

Transfer ownership: Full Nullable: True

Returns

AudioChannelMixerUnownedHandle

Transfer ownership: None Nullable: False

AudioChannelPositionsFromMask(int, ulong, AudioChannelPosition[])

Calls native function gst_audio_channel_positions_from_mask.

public static extern bool AudioChannelPositionsFromMask(int channels, ulong channelMask, AudioChannelPosition[] position)

Parameters

channels int

Transfer ownership: None Nullable: False

channelMask ulong

Transfer ownership: None Nullable: False

position AudioChannelPosition[]

Transfer ownership: None Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioChannelPositionsToMask(AudioChannelPosition[], int, bool, out ulong)

Calls native function gst_audio_channel_positions_to_mask.

public static extern bool AudioChannelPositionsToMask(AudioChannelPosition[] position, int channels, bool forceOrder, out ulong channelMask)

Parameters

position AudioChannelPosition[]

Transfer ownership: None Nullable: False

channels int

Transfer ownership: None Nullable: False

forceOrder bool

Transfer ownership: None Nullable: False

channelMask ulong

Transfer ownership: Full Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioChannelPositionsToString(AudioChannelPosition[], int)

Calls native function gst_audio_channel_positions_to_string. Version: 1.10

[Version("1.10")]
public static extern NonNullableUtf8StringOwnedHandle AudioChannelPositionsToString(AudioChannelPosition[] position, int channels)

Parameters

position AudioChannelPosition[]

Transfer ownership: None Nullable: False

channels int

Transfer ownership: None Nullable: False

Returns

NonNullableUtf8StringOwnedHandle

Transfer ownership: Full Nullable: False

AudioChannelPositionsToValidOrder(AudioChannelPosition[], int)

Calls native function gst_audio_channel_positions_to_valid_order.

public static extern bool AudioChannelPositionsToValidOrder(AudioChannelPosition[] position, int channels)

Parameters

position AudioChannelPosition[]

Transfer ownership: None Nullable: False

channels int

Transfer ownership: None Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioCheckValidChannelPositions(AudioChannelPosition[], int, bool)

Calls native function gst_audio_check_valid_channel_positions.

public static extern bool AudioCheckValidChannelPositions(AudioChannelPosition[] position, int channels, bool forceOrder)

Parameters

position AudioChannelPosition[]

Transfer ownership: None Nullable: False

channels int

Transfer ownership: None Nullable: False

forceOrder bool

Transfer ownership: None Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioClippingMetaApiGetType()

Calls native function gst_audio_clipping_meta_api_get_type.

public static extern nuint AudioClippingMetaApiGetType()

Returns

nuint

Transfer ownership: None Nullable: False

AudioClippingMetaGetInfo()

Calls native function gst_audio_clipping_meta_get_info.

public static extern MetaInfoUnownedHandle AudioClippingMetaGetInfo()

Returns

MetaInfoUnownedHandle

Transfer ownership: None Nullable: False

AudioDownmixMetaApiGetType()

Calls native function gst_audio_downmix_meta_api_get_type.

public static extern nuint AudioDownmixMetaApiGetType()

Returns

nuint

Transfer ownership: None Nullable: False

AudioDownmixMetaGetInfo()

Calls native function gst_audio_downmix_meta_get_info.

public static extern MetaInfoUnownedHandle AudioDownmixMetaGetInfo()

Returns

MetaInfoUnownedHandle

Transfer ownership: None Nullable: False

AudioFormatBuildInteger(bool, int, int, int)

Calls native function gst_audio_format_build_integer.

public static extern AudioFormat AudioFormatBuildInteger(bool sign, int endianness, int width, int depth)

Parameters

sign bool

Transfer ownership: None Nullable: False

endianness int

Transfer ownership: None Nullable: False

width int

Transfer ownership: None Nullable: False

depth int

Transfer ownership: None Nullable: False

Returns

AudioFormat

Transfer ownership: None Nullable: False

AudioFormatFillSilence(AudioFormatInfoHandle, ref byte, nuint)

Calls native function gst_audio_format_fill_silence.

public static extern void AudioFormatFillSilence(AudioFormatInfoHandle info, ref byte dest, nuint length)

Parameters

info AudioFormatInfoHandle

Transfer ownership: None Nullable: False

dest byte

Transfer ownership: None Nullable: False

length nuint

Transfer ownership: None Nullable: False

AudioFormatFromString(NonNullableUtf8StringHandle)

Calls native function gst_audio_format_from_string.

public static extern AudioFormat AudioFormatFromString(NonNullableUtf8StringHandle format)

Parameters

format NonNullableUtf8StringHandle

Transfer ownership: None Nullable: False

Returns

AudioFormat

Transfer ownership: None Nullable: False

AudioFormatGetInfo(AudioFormat)

Calls native function gst_audio_format_get_info.

public static extern AudioFormatInfoUnownedHandle AudioFormatGetInfo(AudioFormat format)

Parameters

format AudioFormat

Transfer ownership: None Nullable: False

Returns

AudioFormatInfoUnownedHandle

Transfer ownership: None Nullable: False

AudioFormatToString(AudioFormat)

Calls native function gst_audio_format_to_string.

public static extern NonNullableUtf8StringUnownedHandle AudioFormatToString(AudioFormat format)

Parameters

format AudioFormat

Transfer ownership: None Nullable: False

Returns

NonNullableUtf8StringUnownedHandle

Transfer ownership: None Nullable: False

AudioGetChannelReorderMap(int, AudioChannelPosition[], AudioChannelPosition[], ref int)

Calls native function gst_audio_get_channel_reorder_map.

public static extern bool AudioGetChannelReorderMap(int channels, AudioChannelPosition[] from, AudioChannelPosition[] to, ref int reorderMap)

Parameters

channels int

Transfer ownership: None Nullable: False

from AudioChannelPosition[]

Transfer ownership: None Nullable: False

to AudioChannelPosition[]

Transfer ownership: None Nullable: False

reorderMap int

Transfer ownership: None Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioIec61937FrameSize(AudioRingBufferSpecHandle)

Calls native function gst_audio_iec61937_frame_size.

public static extern uint AudioIec61937FrameSize(AudioRingBufferSpecHandle spec)

Parameters

spec AudioRingBufferSpecHandle

Transfer ownership: None Nullable: False

Returns

uint

Transfer ownership: None Nullable: False

AudioIec61937Payload(ref byte, uint, ref byte, uint, AudioRingBufferSpecHandle, int)

Calls native function gst_audio_iec61937_payload.

public static extern bool AudioIec61937Payload(ref byte src, uint srcN, ref byte dst, uint dstN, AudioRingBufferSpecHandle spec, int endianness)

Parameters

src byte

Transfer ownership: None Nullable: False

srcN uint

Transfer ownership: None Nullable: False

dst byte

Transfer ownership: None Nullable: False

dstN uint

Transfer ownership: None Nullable: False

spec AudioRingBufferSpecHandle

Transfer ownership: None Nullable: False

endianness int

Transfer ownership: None Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioLevelMetaApiGetType()

Calls native function gst_audio_level_meta_api_get_type. Version: 1.20

[Version("1.20")]
public static extern nuint AudioLevelMetaApiGetType()

Returns

nuint

Transfer ownership: None Nullable: False

AudioLevelMetaGetInfo()

Calls native function gst_audio_level_meta_get_info. Version: 1.20

[Version("1.20")]
public static extern MetaInfoUnownedHandle AudioLevelMetaGetInfo()

Returns

MetaInfoUnownedHandle

Transfer ownership: None Nullable: False

AudioMakeRawCaps(AudioFormat[], uint, AudioLayout)

Calls native function gst_audio_make_raw_caps. Version: 1.18

[Version("1.18")]
public static extern CapsOwnedHandle AudioMakeRawCaps(AudioFormat[] formats, uint len, AudioLayout layout)

Parameters

formats AudioFormat[]

Transfer ownership: None Nullable: True

len uint

Transfer ownership: None Nullable: False

layout AudioLayout

Transfer ownership: None Nullable: False

Returns

CapsOwnedHandle

Transfer ownership: Full Nullable: False

AudioMetaApiGetType()

Calls native function gst_audio_meta_api_get_type.

public static extern nuint AudioMetaApiGetType()

Returns

nuint

Transfer ownership: None Nullable: False

AudioMetaGetInfo()

Calls native function gst_audio_meta_get_info.

public static extern MetaInfoUnownedHandle AudioMetaGetInfo()

Returns

MetaInfoUnownedHandle

Transfer ownership: None Nullable: False

AudioQuantizeNew(AudioDitherMethod, AudioNoiseShapingMethod, AudioQuantizeFlags, AudioFormat, uint, uint)

Calls native function gst_audio_quantize_new.

public static extern AudioQuantizeUnownedHandle AudioQuantizeNew(AudioDitherMethod dither, AudioNoiseShapingMethod ns, AudioQuantizeFlags flags, AudioFormat format, uint channels, uint quantizer)

Parameters

dither AudioDitherMethod

Transfer ownership: None Nullable: False

ns AudioNoiseShapingMethod

Transfer ownership: None Nullable: False

flags AudioQuantizeFlags

Transfer ownership: None Nullable: False

format AudioFormat

Transfer ownership: None Nullable: False

channels uint

Transfer ownership: None Nullable: False

quantizer uint

Transfer ownership: None Nullable: False

Returns

AudioQuantizeUnownedHandle

Transfer ownership: None Nullable: False

AudioReorderChannels(ref byte, nuint, AudioFormat, int, AudioChannelPosition[], AudioChannelPosition[])

Calls native function gst_audio_reorder_channels.

public static extern bool AudioReorderChannels(ref byte data, nuint size, AudioFormat format, int channels, AudioChannelPosition[] from, AudioChannelPosition[] to)

Parameters

data byte

Transfer ownership: None Nullable: False

size nuint

Transfer ownership: None Nullable: False

format AudioFormat

Transfer ownership: None Nullable: False

channels int

Transfer ownership: None Nullable: False

from AudioChannelPosition[]

Transfer ownership: None Nullable: False

to AudioChannelPosition[]

Transfer ownership: None Nullable: False

Returns

bool

Transfer ownership: None Nullable: False

AudioResamplerNew(AudioResamplerMethod, AudioResamplerFlags, AudioFormat, int, int, int, StructureHandle)

Calls native function gst_audio_resampler_new.

public static extern AudioResamplerOwnedHandle AudioResamplerNew(AudioResamplerMethod method, AudioResamplerFlags flags, AudioFormat format, int channels, int inRate, int outRate, StructureHandle options)

Parameters

method AudioResamplerMethod

Transfer ownership: None Nullable: False

flags AudioResamplerFlags

Transfer ownership: None Nullable: False

format AudioFormat

Transfer ownership: None Nullable: False

channels int

Transfer ownership: None Nullable: False

inRate int

Transfer ownership: None Nullable: False

outRate int

Transfer ownership: None Nullable: False

options StructureHandle

Transfer ownership: None Nullable: False

Returns

AudioResamplerOwnedHandle

Transfer ownership: Full Nullable: False

AudioResamplerOptionsSetQuality(AudioResamplerMethod, uint, int, int, StructureHandle)

Calls native function gst_audio_resampler_options_set_quality.

public static extern void AudioResamplerOptionsSetQuality(AudioResamplerMethod method, uint quality, int inRate, int outRate, StructureHandle options)

Parameters

method AudioResamplerMethod

Transfer ownership: None Nullable: False

quality uint

Transfer ownership: None Nullable: False

inRate int

Transfer ownership: None Nullable: False

outRate int

Transfer ownership: None Nullable: False

options StructureHandle

Transfer ownership: None Nullable: False

BufferAddAudioClippingMeta(BufferHandle, Format, ulong, ulong)

Calls native function gst_buffer_add_audio_clipping_meta. Version: 1.8

[Version("1.8")]
public static extern AudioClippingMetaUnownedHandle BufferAddAudioClippingMeta(BufferHandle buffer, Format format, ulong start, ulong end)

Parameters

buffer BufferHandle

Transfer ownership: None Nullable: False

format Format

Transfer ownership: None Nullable: False

start ulong

Transfer ownership: None Nullable: False

end ulong

Transfer ownership: None Nullable: False

Returns

AudioClippingMetaUnownedHandle

Transfer ownership: None Nullable: False

BufferAddAudioDownmixMeta(BufferHandle, AudioChannelPosition[], int, AudioChannelPosition[], int, ref float)

Calls native function gst_buffer_add_audio_downmix_meta.

public static extern AudioDownmixMetaUnownedHandle BufferAddAudioDownmixMeta(BufferHandle buffer, AudioChannelPosition[] fromPosition, int fromChannels, AudioChannelPosition[] toPosition, int toChannels, ref float matrix)

Parameters

buffer BufferHandle

Transfer ownership: None Nullable: False

fromPosition AudioChannelPosition[]

Transfer ownership: None Nullable: False

fromChannels int

Transfer ownership: None Nullable: False

toPosition AudioChannelPosition[]

Transfer ownership: None Nullable: False

toChannels int

Transfer ownership: None Nullable: False

matrix float

Transfer ownership: None Nullable: False

Returns

AudioDownmixMetaUnownedHandle

Transfer ownership: None Nullable: False

BufferAddAudioLevelMeta(BufferHandle, byte, bool)

Calls native function gst_buffer_add_audio_level_meta. Version: 1.20

[Version("1.20")]
public static extern AudioLevelMetaUnownedHandle BufferAddAudioLevelMeta(BufferHandle buffer, byte level, bool voiceActivity)

Parameters

buffer BufferHandle

Transfer ownership: None Nullable: False

level byte

Transfer ownership: None Nullable: False

voiceActivity bool

Transfer ownership: None Nullable: False

Returns

AudioLevelMetaUnownedHandle

Transfer ownership: None Nullable: True

BufferAddAudioMeta(BufferHandle, AudioInfoHandle, nuint, ref nuint)

Calls native function gst_buffer_add_audio_meta. Version: 1.16

[Version("1.16")]
public static extern AudioMetaUnownedHandle BufferAddAudioMeta(BufferHandle buffer, AudioInfoHandle info, nuint samples, ref nuint offsets)

Parameters

buffer BufferHandle

Transfer ownership: None Nullable: False

info AudioInfoHandle

Transfer ownership: None Nullable: False

samples nuint

Transfer ownership: None Nullable: False

offsets nuint

Transfer ownership: None Nullable: True

Returns

AudioMetaUnownedHandle

Transfer ownership: None Nullable: False

BufferAddDsdPlaneOffsetMeta(BufferHandle, int, nuint, ref nuint)

Calls native function gst_buffer_add_dsd_plane_offset_meta. Version: 1.24

[Version("1.24")]
public static extern DsdPlaneOffsetMetaUnownedHandle BufferAddDsdPlaneOffsetMeta(BufferHandle buffer, int numChannels, nuint numBytesPerChannel, ref nuint offsets)

Parameters

buffer BufferHandle

Transfer ownership: None Nullable: False

numChannels int

Transfer ownership: None Nullable: False

numBytesPerChannel nuint

Transfer ownership: None Nullable: False

offsets nuint

Transfer ownership: None Nullable: True

Returns

DsdPlaneOffsetMetaUnownedHandle

Transfer ownership: None Nullable: False

BufferGetAudioDownmixMetaForChannels(BufferHandle, AudioChannelPosition[], int)

Calls native function gst_buffer_get_audio_downmix_meta_for_channels.

public static extern AudioDownmixMetaUnownedHandle BufferGetAudioDownmixMetaForChannels(BufferHandle buffer, AudioChannelPosition[] toPosition, int toChannels)

Parameters

buffer BufferHandle

Transfer ownership: None Nullable: False

toPosition AudioChannelPosition[]

Transfer ownership: None Nullable: False

toChannels int

Transfer ownership: None Nullable: False

Returns

AudioDownmixMetaUnownedHandle

Transfer ownership: None Nullable: False

BufferGetAudioLevelMeta(BufferHandle)

Calls native function gst_buffer_get_audio_level_meta. Version: 1.20

[Version("1.20")]
public static extern AudioLevelMetaUnownedHandle BufferGetAudioLevelMeta(BufferHandle buffer)

Parameters

buffer BufferHandle

Transfer ownership: None Nullable: False

Returns

AudioLevelMetaUnownedHandle

Transfer ownership: None Nullable: True

DsdConvert(ref byte, ref byte, DsdFormat, DsdFormat, AudioLayout, AudioLayout, ref nuint, ref nuint, nuint, int, bool)

Calls native function gst_dsd_convert. Version: 1.24

[Version("1.24")]
public static extern void DsdConvert(ref byte inputData, ref byte outputData, DsdFormat inputFormat, DsdFormat outputFormat, AudioLayout inputLayout, AudioLayout outputLayout, ref nuint inputPlaneOffsets, ref nuint outputPlaneOffsets, nuint numDsdBytes, int numChannels, bool reverseByteBits)

Parameters

inputData byte

Transfer ownership: None Nullable: False

outputData byte

Transfer ownership: None Nullable: False

inputFormat DsdFormat

Transfer ownership: None Nullable: False

outputFormat DsdFormat

Transfer ownership: None Nullable: False

inputLayout AudioLayout

Transfer ownership: None Nullable: False

outputLayout AudioLayout

Transfer ownership: None Nullable: False

inputPlaneOffsets nuint

Transfer ownership: None Nullable: False

outputPlaneOffsets nuint

Transfer ownership: None Nullable: False

numDsdBytes nuint

Transfer ownership: None Nullable: False

numChannels int

Transfer ownership: None Nullable: False

reverseByteBits bool

Transfer ownership: None Nullable: False

DsdFormatFromString(NonNullableUtf8StringHandle)

Calls native function gst_dsd_format_from_string. Version: 1.24

[Version("1.24")]
public static extern DsdFormat DsdFormatFromString(NonNullableUtf8StringHandle str)

Parameters

str NonNullableUtf8StringHandle

Transfer ownership: None Nullable: False

Returns

DsdFormat

Transfer ownership: None Nullable: False

DsdFormatGetWidth(DsdFormat)

Calls native function gst_dsd_format_get_width. Version: 1.24

[Version("1.24")]
public static extern uint DsdFormatGetWidth(DsdFormat format)

Parameters

format DsdFormat

Transfer ownership: None Nullable: False

Returns

uint

Transfer ownership: None Nullable: False

DsdFormatToString(DsdFormat)

Calls native function gst_dsd_format_to_string. Version: 1.24

[Version("1.24")]
public static extern NonNullableUtf8StringUnownedHandle DsdFormatToString(DsdFormat format)

Parameters

format DsdFormat

Transfer ownership: None Nullable: False

Returns

NonNullableUtf8StringUnownedHandle

Transfer ownership: None Nullable: False

DsdPlaneOffsetMetaApiGetType()

Calls native function gst_dsd_plane_offset_meta_api_get_type.

public static extern nuint DsdPlaneOffsetMetaApiGetType()

Returns

nuint

Transfer ownership: None Nullable: False

DsdPlaneOffsetMetaGetInfo()

Calls native function gst_dsd_plane_offset_meta_get_info.

public static extern MetaInfoUnownedHandle DsdPlaneOffsetMetaGetInfo()

Returns

MetaInfoUnownedHandle

Transfer ownership: None Nullable: False

StreamVolumeConvertVolume(StreamVolumeFormat, StreamVolumeFormat, double)

Calls native function gst_stream_volume_convert_volume.

public static extern double StreamVolumeConvertVolume(StreamVolumeFormat from, StreamVolumeFormat to, double val)

Parameters

from StreamVolumeFormat

Transfer ownership: None Nullable: False

to StreamVolumeFormat

Transfer ownership: None Nullable: False

val double

Transfer ownership: None Nullable: False

Returns

double

Transfer ownership: None Nullable: False

Edit this page