Google Flix Engine Linux Reference Manual - Manual (Page 88)

82 Flix Engine Linux Module Documentation
5.22 Brightness/Contrast/Hue/Saturation
5.22.1 Detailed Description
The BCHS video filter is a filter used to modify the brightness, contrast, hue and/or saturation of the source
image.
Filter Parameters:
Name | Type | Opt/Reqd | Range
=======================================================================================
FE2_BCHS_BRIGHTNESS | Numeric | Optional | [-255,255]
FE2_BCHS_CONTRAST | Numeric | Optional | [-255,255]
FE2_BCHS_HUE | Numeric | Optional | [-180,180]
FE2_BCHS_SATURATION | Numeric | Optional | [-255,255]
Example Usage:
sc = Flix2_AddFilter(&filter, flix, FE2_FILTER_BCHS);
//up the contrast by ~10%
if(sc == ON2_OK)
sc = Flix2_FilterSetParam(filter, FE2_BCHS_CONTRAST, 25.5);
Deprecated functions
• on2sc editor_options_GetBrightness (const FLIX2HANDLE flix, int32_t ∗pBrightness)
Get the current brightness adjustment factor.
• on2sc editor_options_SetBrightness ( FLIX2HANDLE flix, const int32_t brightness)
Set the brightness adjustment factor.
• on2sc editor_options_GetUseBrightness (const FLIX2HANDLE flix, on2bool ∗pUseBrightness)
Determine if the brightness filter is enabled.
• on2sc editor_options_SetUseBrightness ( FLIX2HANDLE flix, const on2bool bUseBrightness)
Enable/disable the brightness filter.
• on2sc editor_options_GetContrast (const FLIX2HANDLE flix, double ∗pContrast)
Get the current contrast adjustment factor.
• on2sc editor_options_SetContrast ( FLIX2HANDLE flix, const double contrast)
Set the contrast adjustment factor.
• on2sc editor_options_GetUseContrast (const FLIX2HANDLE flix, on2bool ∗pUseContrast)
Determine if the contrast filter is enabled.
• on2sc editor_options_SetUseContrast ( FLIX2HANDLE flix, const on2bool bUseContrast)
Enable/disable the contrast filter.
• on2sc editor_options_GetHue (const FLIX2HANDLE flix, int32_t ∗pHue)
Get the current hue adjustment factor.
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