avfilter/vf_coreimage: simplify list_filters code

Use fast-enumeration and get rid of unnecessary intermediate variables.

Marvin Scholz committed 2 years ago

Commit 799503f1 parent 8d674e61 file · +4 −10Browse files

Showing the changes to libavfilter (1 of 1 file). Show all

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@@ -102,19 +102,13 @@ static void list_filters(CoreImageContext *ctx) · 101 unmodified lines
102	102	filter_categories = [NSArray arrayWithObjects:kCICategoryGenerator, nil];
103	103	}
104	104
105		− NSArray *filter_names = [CIFilter filterNamesInCategories:filter_categories];
106		− NSEnumerator *filters = [filter_names objectEnumerator];
	105	+ for (NSString *filter_name in [CIFilter filterNamesInCategories:filter_categories]) {
	106	+ CIFilter *filter = [CIFilter filterWithName:filter_name];
	107	+ NSDictionary<NSString , id> filter_attribs = [filter attributes];
107	108
108		− NSString *filter_name;
109		− while (filter_name = [filters nextObject]) {
110	109	av_log(ctx, AV_LOG_INFO, "Filter: %s\n", [filter_name UTF8String]);
111		− NSString *input;
112	110
113		− CIFilter *filter = [CIFilter filterWithName:filter_name];
114		− NSDictionary *filter_attribs = [filter attributes]; // <nsstring, id>
115		− NSArray *filter_inputs = [filter inputKeys]; // <nsstring>
116		−
117		− for (input in filter_inputs) {
	111	+ for (NSString *input in [filter inputKeys]) {
118	112	NSDictionary *input_attribs = [filter_attribs valueForKey:input];
119	113	NSString *input_class = [input_attribs valueForKey:kCIAttributeClass];
120	114	if ([input_class isEqualToString:@"NSNumber"]) {

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