Google Flix Engine Linux Reference Manual Uživatelský manuál stáhnout pdf (Strana 347)

100

101

7.2 Language Binding API Deviations 341

##using the flix engine namespace

package On2::flixengine2;

$a_string_constant= $FE2_FILTER_PNGEX;

$sc= Flix2_CodecSetParam($codec,$FE2_VP6_BITRATE,750);

if($sc != $ON2_OK) {}

##or explicitly

$a_string_constant= $On2::flixengine2::FE2_FILTER_PNGEX;

$sc= Flix2_CodecSetParam($codec,$On2::flixengine2::FE2_VP6_BITRATE,750);

if($sc != $On2::flixengine2::ON2_OK) {}

• PHP

$a_string_constant= FE2_FILTER_PNGEX;

$sc= Flix2_CodecSetParam($codec,FE2_VP6_BITRATE,750);

if($sc != ON2_OK) {}

• Python

a_string_constant= flixengine2.FE2_FILTER_PNGEX

sc= flixengine2.Flix2_CodecSetParam(codec,flixengine2.FE2_VP6_BITRATE,750)

if(sc != flixengine2.ON2_OK):

Note:

Constants should ALWAYS be referenced by name as their values are subject to change.

7.2.5 Functions

In the same vein as the Flix Engine and Filter handle issue is the issue with functions that return values

via a result parameter. In this case the value is returned in a list instead of creating a storage location or

modifying a pointer.

Some examples will help clarify this point:

• Java

try {

boolean b = flix.IsEncoderRunning();

int w = flix.video_options_GetSourceWidth();

double d = flix.video_options_GetVideoFramerateAsDouble();

} catch (FlixException e) {}

• Perl

##in separate scalars

#boolean

($sc,$b)= Flix2_IsEncoderRunning($flix);

#integer

($sc,$w)= video_options_GetSourceWidth($flix);

#double

($sc,$fps)= video_options_GetVideoFramerateAsDouble($flix);

##or in one array, sc is $res[0], value is $res[1]

#boolean

@res= Flix2_IsEncoderRunning($flix);

#integer

@res= video_options_GetSourceWidth($flix);

#double

@res= video_options_GetVideoFramerateAsDouble($flix);

Generated on Tue Jul 20 17:39:03 2010 for Flix Engine Linux by Doxygen

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