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GstAudio

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Namespace GstAudio

Import line:	GstAudio = imports.gi.GstAudio;
GIR File:	GstAudio-0.10.gir
C documentation:	GstAudio
Namespace :	GstAudio
	Show / Hide Inherited methods, properties and signals

Values
Properties
	Number GstAudio.AUDIO_DEF_RATE : 44100
	String GstAudio.AUDIO_FLOAT_PAD_TEMPLATE_CAPS : audio/x-raw-float, rate = (int) [ 1, MAX ], channels = (int) [ 1, MAX ], endianness = (int) { LITTLE_ENDIAN , BIG_ENDIAN }, width = (int) { 32, 64 }
	String GstAudio.AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS : audio/x-raw-float, width = (int) 32, rate = (int) [ 1, MAX ], channels = (int) 1, endianness = (int) BYTE_ORDER
	String GstAudio.AUDIO_INT_PAD_TEMPLATE_CAPS : audio/x-raw-int, rate = (int) [ 1, MAX ], channels = (int) [ 1, MAX ], endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, width = (int) { 8, 16, 24, 32 }, depth = (int) [ 1, 32 ], signed = (boolean) { true, false }
	String GstAudio.AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS : audio/x-raw-int, rate = (int) [ 1, MAX ], channels = (int) 2, endianness = (int) BYTE_ORDER, width = (int) 16, depth = (int) 16, signed = (boolean) true

Properties
None

Methods / Constructors
Method / Constructor		Defined By
	GstAudio.buffer_clip (Buffer *buffer, Segment segment, Number rate, Number frame_size) : Gst.Buffer Clip the the buffer to the given GstSegment. Clip the the buffer to the given GstSegment. After calling this function the caller does not own a reference to otherwise the clipped buffer is returned. If the buffer has no timestamp, it is assumed to be inside the segment and is not clipped Parameters: Gst.Buffer buffer* Required (not null) Gst.Segment segment Required (not null) Number rate Required (not null) Number frame_size Required (not null) Returns: Gst.Buffer	GstAudio
	GstAudio.check_channel_positions (AudioChannelPosition *pos, Number channels) : Boolean This functions checks if the given channel positions are valid. This functions checks if the given channel positions are valid. Channel positions are valid if: No channel positions appears twice or all positions are GST_AUDIO_CHANNEL_POSITION_NONE. Either all or none of the channel positions are GST_AUDIO_CHANNEL_POSITION_NONE. GST_AUDIO_CHANNEL_POSITION_FRONT_MONO* and GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT or GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT don't appear together in the given positions. and FALSE otherwise. Parameters: GstAudio.AudioChannelPosition pos Required (not null) Number channels Required (not null) Returns: Boolean	GstAudio
	GstAudio.default_registry_mixer_filter (Function *filter_func, Boolean first, void *user_data) : Array Utility function to find audio mixer elements. Utility function to find audio mixer elements. Will traverse the default plugin registry in order of plugin rank and find usable audio mixer elements. The caller may optionally fine-tune the selection by specifying a filter function. Parameters: Function (Mixer mixer, void *user_data) : Array Required (not null) Boolean first* Required (not null) void* user_data Required (not null) Returns: Array element in the list by setting it to NULL state and calling gst_object_unref(). After that the list itself should be freed using g_list_free().	GstAudio
	GstAudio.duration_from_pad_buffer (Pad *pad, Buffer buf) : Number Calculate length in nanoseconds of audio buffer buf* based on capabilities of Calculate length in nanoseconds of audio buffer buf based on capabilities of Parameters: Gst.Pad pad Required (not null) Gst.Buffer buf Required (not null) Returns: Number	GstAudio
	GstAudio.fixate_channel_positions (Structure *str) : GstAudio.AudioChannelPosition Custom fixate function. Custom fixate function. Elements that implement some sort of channel conversion algorithm should use this function for fixating on GstAudioChannelPosition properties. It will take care of equal channel positioning (left/right). Caller g_free()s the return value. The input properties may be (and are supposed to be) unfixed. Note that this function is mostly a hack because we currently have no way to add default fixation functions for new GTypes. set of GstAudioChannelPosition* values. Parameters: Gst.Structure str Required (not null) "channel-positions" field. Returns: GstAudio.AudioChannelPosition	GstAudio
	GstAudio.frame_byte_size (Pad *pad) : Number Calculate byte size of an audio frame. Calculate byte size of an audio frame. Parameters: Gst.Pad pad* Required (not null) Returns: Number	GstAudio
	GstAudio.frame_length (Pad *pad, Buffer buf) : Number Calculate length of buffer in frames. Calculate length of buffer in frames. Parameters: Gst.Pad pad* Required (not null) Gst.Buffer buf Required (not null) Returns: Number	GstAudio
	GstAudio.get_channel_positions (Structure *str) : GstAudio.AudioChannelPosition Retrieves a number of (fixed!) audio channel positions from the provided GstStructure* and returns it as a newly allocated array. Retrieves a number of (fixed!) audio channel positions from the provided GstStructure and returns it as a newly allocated array. The caller should g_free () this array. The caller should also check that the members in this GstStructure are indeed "fixed" before calling this function. positions as provided in the given GstStructure. Returns NULL on error. Parameters: Gst.Structure str Required (not null) Returns: GstAudio.AudioChannelPosition	GstAudio
	GstAudio.is_buffer_framed (Pad *pad, Buffer buf) : Boolean Check if the buffer size is a whole multiple of the frame size. Check if the buffer size is a whole multiple of the frame size. Parameters: Gst.Pad pad* Required (not null) Gst.Buffer buf Required (not null) Returns: Boolean	GstAudio
	GstAudio.set_caps_channel_positions_list (Caps *caps, AudioChannelPosition pos, Number num_positions) : none Sets a (possibly non-fixed) list of possible audio channel positions (given in pos) on the given caps. Sets a (possibly non-fixed) list of possible audio channel positions (given in pos) on the given caps. Each of the structures of the caps, after this function has been called, will contain a "channel-positions" field with an array. Each value in the array will contain each of the values given in the pos array. Note that the size of the caps might be increased by this, since each structure with a "channel- positions" field needs to have a fixed "channels" field. The input caps is not required to have this. Parameters: Gst.Caps caps* Required (not null) GstAudio.AudioChannelPosition pos Required (not null) channel positions that we should add in each value of the array in the given structure. Number num_positions Required (not null) Returns: none	GstAudio
	GstAudio.set_channel_positions (Structure *str, AudioChannelPosition pos) : none Adds a "channel-positions" field to the given GstStructure, which will represent the channel positions as given in the provided GstAudioChannelPosition* array. Adds a "channel-positions" field to the given GstStructure, which will represent the channel positions as given in the provided GstAudioChannelPosition array. Parameters: Gst.Structure str Required (not null) GstAudio.AudioChannelPosition pos Required (not null) in this array should be equal to the (fixed!) number of the "channels" field in the given GstStructure. Returns: none	GstAudio
	GstAudio.set_structure_channel_positions_list (Structure *str, AudioChannelPosition pos, Number num_positions) : none Sets a (possibly non-fixed) list of possible audio channel positions (given in pos) on the given structure. Sets a (possibly non-fixed) list of possible audio channel positions (given in pos) on the given structure. The structure, after this function has been called, will contain a "channel-positions" field with an array of the size of the "channels" field value in the given structure (note that this means that the channels field in the provided structure should be fixed!). Each value in the array will contain each of the values given in the pos array. Parameters: Gst.Structure str* Required (not null) on. GstAudio.AudioChannelPosition pos Required (not null) channel positions that we should add in each value of the array in the given structure. Number num_positions Required (not null) Returns: none	GstAudio
	GstAudio.structure_set_int (Structure *structure, AudioFieldFlag flag) : none Do not use anymore. Do not use anymore. Parameters: Gst.Structure structure* Required (not null) GstAudio.AudioFieldFlag flag Required (not null) Returns: none	GstAudio

Events
None

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