BASS_Mixer_ChannelSetEnvelopePos
Sets the current position of an envelope on a mixer source channel.
BOOL BASS_Mixer_ChannelSetEnvelopePos(
DWORD handle,
DWORD type,
QWORD pos
);
Parameters
| handle | The channel handle.
|
| type | The envelope to set the position of. One of the following.
| BASS_MIXER_ENV_FREQ | Sample rate.
| | BASS_MIXER_ENV_VOL | Volume.
| | BASS_MIXER_ENV_PAN | Panning/balance.
|
|
| pos | The new envelope position, in bytes. If this is beyond the end of the envelope it will be capped or looped, depending on whether the envelope has looping enabled.
|
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 effect of changes are not heard instantaneously, due to buffering. This latency can be reduced via the BASS_ATTRIB_BUFFER attribute.
See also
BASS_Mixer_ChannelGetEnvelopePos, BASS_Mixer_ChannelSetEnvelope