BASS_ChannelGetAttribute

Retrieves the value of a channel's attribute.

BOOL BASS_ChannelGetAttribute(
    DWORD handle,
    DWORD attrib,
    float *value
);

Parameters

handle

The channel handle... a HCHANNEL, HMUSIC, HSTREAM, or HRECORD.

attrib

The attribute to get the value of... one of the following.

BASS_ATTRIB_BITRATE	Average bitrate. (HSTREAM only)
BASS_ATTRIB_BUFFER	Playback buffering length. (HMUSIC/HSTREAM)
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	Buffer level to resume stalled playback. (HSTREAM)
BASS_ATTRIB_NORAMP	Playback ramping.
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.
BASS_ATTRIB_VOLDSP	DSP chain volume level. (HMUSIC/HSTREAM/HRECORD)

other attributes may be supported by add-ons, see the documentation.

value

Pointer to a variable to receive the attribute value.

If successful, then TRUE is returned, else FALSE is returned. Use BASS_ErrorGetCode to get the error code.

BASS_ERROR_HANDLE	handle is not a valid channel.
BASS_ERROR_NOTAVAIL	The attribute is not available.
BASS_ERROR_ILLTYPE	attrib is not valid.

some attributes may have additional error codes, see the documentation.