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Render param indices
libopenmpt C

Parameter index to use with openmpt_module_get_render_param() and openmpt_module_set_render_param() More...

## Macros

#define | OPENMPT_MODULE_RENDER_MASTERGAIN_MILLIBEL 1
| Master Gain.
#define | OPENMPT_MODULE_RENDER_STEREOSEPARATION_PERCENT 2
| Stereo Separation.
#define | OPENMPT_MODULE_RENDER_INTERPOLATIONFILTER_LENGTH 3
| Interpolation Filter.
#define | OPENMPT_MODULE_RENDER_VOLUMERAMPING_STRENGTH 4
| Volume Ramping Strength.

## Detailed Description

Parameter index to use with openmpt_module_get_render_param() and openmpt_module_set_render_param()

## Macro Definition Documentation

## OPENMPT_MODULE_RENDER_INTERPOLATIONFILTER_LENGTH

#define OPENMPT_MODULE_RENDER_INTERPOLATIONFILTER_LENGTH 3

Interpolation Filter.

The related value represents the interpolation filter length used by the libopenmpt mixer.
The default value is 0, which indicates a recommended default value.
The supported value range is [0,inf). Values greater than the implementation limit are clamped to the maximum supported value.
Currently supported values:

- 0: internal default
- 1: no interpolation (zero order hold)
- 2: linear interpolation
- 4: cubic interpolation
- 8: windowed sinc with 8 taps

## OPENMPT_MODULE_RENDER_MASTERGAIN_MILLIBEL

#define OPENMPT_MODULE_RENDER_MASTERGAIN_MILLIBEL 1

Master Gain.

The related value represents a relative gain in milliBel.
The default value is 0.
The supported value range is unlimited.

## OPENMPT_MODULE_RENDER_STEREOSEPARATION_PERCENT

#define OPENMPT_MODULE_RENDER_STEREOSEPARATION_PERCENT 2

Stereo Separation.

The related value represents the stereo separation generated by the libopenmpt mixer in percent.
The default value is 100.
The supported value range is [0,200].

## OPENMPT_MODULE_RENDER_VOLUMERAMPING_STRENGTH

#define OPENMPT_MODULE_RENDER_VOLUMERAMPING_STRENGTH 4

Volume Ramping Strength.

The related value represents the amount of volume ramping done by the libopenmpt mixer.
The default value is -1, which indicates a recommended default value.
The meaningful value range is [-1..10].
A value of 0 completely disables volume ramping. This might cause clicks in sound output.
Higher values imply slower/softer volume ramps.