Google Flix Engine Linux Reference Manual - Manual (Page 152)

146 Flix Engine Linux Module Documentation
Attention:
This function can NOT be used to obtain information about the unscaled input video, use video_-
options_GetSourceHeight() .
See also:
Reserved values
Definition at line 103 of file scale.h.
5.35.3.3 #define FE2_SCALE_WIDTH
Filter parameter name for scaled width.
Use FE2_SCALE_WIDTH with Flix2_FilterSetParam() and Flix2_FilterGetParam() to set and/or get the
scaled width of the video.
Note:
The value returned by a call to Flix2_FilterGetParam() when this name is specified should only be
considered valid if it follows a call to Flix2_FilterSetParam() .
Attention:
This function can NOT be used to obtain information about the unscaled input video, use video_-
options_GetSourceWidth() .
See also:
Reserved values
Definition at line 88 of file scale.h.
5.35.4 Function Documentation
5.35.4.1 on2sc video_options_GetImageHeight (const FLIX2HANDLE flix, int32_t ∗
lpImageHeight)
Get the current scaled image height.
Parameters:
← flix Handle to the Flix Engine returned from Flix2_Create() or Flix2_CreateEx()
→ lpImageHeight Image height (in pixels)
Return values:
ON2_OK The height value was successfully retrieved from the engine.
ON2_NET_ERROR The underlying communication layer failed.
Note:
This value should only be considered valid if it follows a call to video_options_SetImageHeight() . It
can not be used to get information about the unscaled input video.
If a value other than ON2_OK is returned, the output variables should not be considered valid.
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