[FFmpeg-cvslog] avfilter/vf_coreimage: simplify list_filters code

[Marvin Scholz]

ffmpeg | branch: master | Marvin Scholz <epirat07 at gmail.com> | Fri Jul 12 19:19:37 2024 +0200| [799503f4bb8318733aeaf2e707ad4df8e8e0da96] | committer: Marvin Scholz

avfilter/vf_coreimage: simplify list_filters code

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=799503f4bb8318733aeaf2e707ad4df8e8e0da96
---

 libavfilter/vf_coreimage.m | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/libavfilter/vf_coreimage.m b/libavfilter/vf_coreimage.m
index b4a4d6c476..a342f83475 100644
--- a/libavfilter/vf_coreimage.m
+++ b/libavfilter/vf_coreimage.m
@@ -102,19 +102,13 @@ static void list_filters(CoreImageContext *ctx)
         filter_categories = [NSArray arrayWithObjects:kCICategoryGenerator, nil];
     }
 
-    NSArray *filter_names = [CIFilter filterNamesInCategories:filter_categories];
-    NSEnumerator *filters = [filter_names objectEnumerator];
+    for (NSString *filter_name in [CIFilter filterNamesInCategories:filter_categories]) {
+        CIFilter *filter = [CIFilter filterWithName:filter_name];
+        NSDictionary<NSString *, id> *filter_attribs = [filter attributes];
 
-    NSString *filter_name;
-    while (filter_name = [filters nextObject]) {
         av_log(ctx, AV_LOG_INFO, "Filter: %s\n", [filter_name UTF8String]);
-        NSString *input;
 
-        CIFilter *filter             = [CIFilter filterWithName:filter_name];
-        NSDictionary *filter_attribs = [filter attributes]; // <nsstring, id>
-        NSArray      *filter_inputs  = [filter inputKeys];  // <nsstring>
-
-        for (input in filter_inputs) {
+        for (NSString *input in [filter inputKeys]) {
             NSDictionary *input_attribs = [filter_attribs valueForKey:input];
             NSString *input_class       = [input_attribs valueForKey:kCIAttributeClass];
             if ([input_class isEqualToString:@"NSNumber"]) {