BassBASS_ChannelGetAttribute Method (Int32, BASSAttribute, Single)

[DllImportAttribute("bass")]
public static bool BASS_ChannelGetAttribute(
	int handle,
	BASSAttribute attrib,
	ref float value
)

<DllImportAttribute("bass">]
Public Shared Function BASS_ChannelGetAttribute ( 
	handle As Integer,
	attrib As BASSAttribute,
	ByRef value As Single
) As Boolean

Parameters

handle

Type: SystemInt32
The channel handle... a HCHANNEL, HMUSIC, HSTREAM or HRECORD.

attrib

Type: Un4seen.BassBASSAttribute
The attribute to set the value of (one of the following, see BASSAttribute):

BASS_ATTRIB_BITRATE	Average bitrate. (HSTREAM only).
BASS_ATTRIB_BUFFER	Playback buffering length. (HMUSIC/HSTREAM only).
BASS_ATTRIB_CPU	CPU usage. (HMUSIC/HSTREAM)
BASS_ATTRIB_FREQ	Sample rate.
BASS_ATTRIB_GRANULE	Processing granularity. (HMUSIC/HSTREAM/HRECORD).
BASS_ATTRIB_MUSIC_ACTIVE	Active channel count. (HMUSIC)
BASS_ATTRIB_MUSIC_AMPLIFY	Amplification level. (HMUSIC)
BASS_ATTRIB_MUSIC_BPM	BPM. (HMUSIC)
BASS_ATTRIB_MUSIC_PANSEP	Pan separation level. (HMUSIC)
BASS_ATTRIB_MUSIC_PSCALER	Position scaler. (HMUSIC)
BASS_ATTRIB_MUSIC_SPEED	Speed. (HMUSIC)
BASS_ATTRIB_MUSIC_VOL_CHAN	A channel volume level. (HMUSIC)
BASS_ATTRIB_MUSIC_VOL_GLOBAL	Global volume level. (HMUSIC)
BASS_ATTRIB_MUSIC_VOL_INST	An instrument/sample volume level. (HMUSIC)
BASS_ATTRIB_NET_RESUME	The volume level, 0 (silent) to 1 (full) or above.
BASS_ATTRIB_NOBUFFER	Buffer level to resume stalled playback. (HSTREAM).
BASS_ATTRIB_NORAMP	Playback ramping switch.
BASS_ATTRIB_PAN	Panning/balance position.
BASS_ATTRIB_PUSH_LIMIT	Push stream buffer limit.
BASS_ATTRIB_SRC	Sample rate conversion quality.
BASS_ATTRIB_TAIL	Length extension. (HMUSIC/HSTREAM).
BASS_ATTRIB_VOL	Volume level.

Other attributes may be supported by add-ons, e.g. BASS_FX:

BASS_ATTRIB_TEMPO	The tempo of a channel in percent.
BASS_ATTRIB_TEMPO_PITCH	The pitch of a channel in semitones.
BASS_ATTRIB_TEMPO_FREQ	The sample rate of a channel in Hz.
BASS_ATTRIB_TEMPO_OPTION_USE_AA_FILTER	AA Filter used on a tempo channel.
BASS_ATTRIB_TEMPO_OPTION_AA_FILTER_LENGTH	The AA Filter length in taps.
BASS_ATTRIB_TEMPO_OPTION_USE_QUICKALGO	Tempo quick algorithm used on a tempo channel.
BASS_ATTRIB_TEMPO_OPTION_SEQUENCE_MS	The tempo sequence in ms. used on a tempo channel.
BASS_ATTRIB_TEMPO_OPTION_SEEKWINDOW_MS	The tempo seek window in ms. used on a tempo channel.
BASS_ATTRIB_TEMPO_OPTION_OVERLAP_MS	The tempo overlap in ms. used on a tempo channel.
BASS_ATTRIB_REVERSE_DIR	The current playback direction of a reverse stream.

value

Type: SystemSingle
Pointer to a variable to receive the attribute value.

Return Value

float vol = 0f;
if (Bass.BASS_ChannelGetAttribute(stream, BASSAttribute.BASS_ATTRIB_VOL, ref vol))
  Console.WriteLine("Volume={0}", vol);

Dim vol As Single = 0F
If Bass.BASS_ChannelGetAttribute(stream, BASSAttribute.BASS_ATTRIB_VOL, vol) Then
  Console.WriteLine("Volume={0}", vol)
End If

Reference