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//
// HBAudioTransformers.m
// HandBrake
//
// Created by Damiano Galassi on 26/08/2016.
//
//
#import "HBAudioTransformers.h"
#include "hb.h"
#pragma mark - Value Trasformers
@implementation HBEncoderTransformer
+ (Class)transformedValueClass
{
return [NSString class];
}
- (id)transformedValue:(id)value
{
const char *name = hb_audio_encoder_get_name([value intValue]);
if (name)
{
return @(name);
}
else
{
return nil;
}
}
+ (BOOL)allowsReverseTransformation
{
return YES;
}
- (id)reverseTransformedValue:(id)value
{
return @(hb_audio_encoder_get_from_name([value UTF8String]));
}
@end
@implementation HBMixdownTransformer
+ (Class)transformedValueClass
{
return [NSString class];
}
- (id)transformedValue:(id)value
{
const char *name = hb_mixdown_get_name([value intValue]);
if (name)
{
return @(name);
}
else
{
return nil;
}
}
+ (BOOL)allowsReverseTransformation
{
return YES;
}
- (id)reverseTransformedValue:(id)value
{
return @(hb_mixdown_get_from_name([value UTF8String]));
}
@end
@implementation HBSampleRateTransformer
+ (Class)transformedValueClass
{
return [NSString class];
}
- (id)transformedValue:(id)value
{
const char *name = hb_audio_samplerate_get_name([value intValue]);
if (name)
{
return @(name);
}
else
{
return nil;
}
}
+ (BOOL)allowsReverseTransformation
{
return YES;
}
- (id)reverseTransformedValue:(id)value
{
int sampleRate = hb_audio_samplerate_get_from_name([value UTF8String]);
if (sampleRate < 0)
{
sampleRate = 0;
}
return @(sampleRate);
}
@end
@implementation HBIntegerTransformer
+ (Class)transformedValueClass
{
return [NSString class];
}
- (id)transformedValue:(id)value
{
// treat -1 as a special invalid value
// e.g. passthru has no bitrate since we have no source
if ([value intValue] == -1)
{
return @"N/A";
}
return [value stringValue];
}
+ (BOOL)allowsReverseTransformation
{
return YES;
}
- (id)reverseTransformedValue:(id)value
{
return @([value intValue]);
}
@end
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