BASS_Mixer_ChannelGetEnvelopePos
Retrieves the current position and value of an envelope on a mixer source channel.
QWORD BASS_Mixer_ChannelGetEnvelopePos(
DWORD handle,
DWORD type,
float *value
);
Parameters
| handle | The channel handle.
|
| type | The envelope to get the position/value of. One of the following.
| BASS_MIXER_ENV_FREQ | Sample rate.
| | BASS_MIXER_ENV_VOL | Volume.
| | BASS_MIXER_ENV_PAN | Panning/balance.
|
|
| value | Pointer to a variable to receive the envelope value at the current position... NULL = do not retrieve it.
|
Return value
If successful, the current position of the envelope is returned, else -1 is returned. Use BASS_ErrorGetCode to get the error code.
Error codes
| BASS_ERROR_HANDLE | handle is not a mixer source.
|
| BASS_ERROR_ILLTYPE | type is not valid.
|
| BASS_ERROR_NOTAVAIL | There is no envelope of the requested type on the channel.
|
Remarks
During playback, the envelope's current position is not necessarily what is currently being heard, due to buffering.
See also
BASS_Mixer_ChannelSetEnvelope, BASS_Mixer_ChannelSetEnvelopePos