decoder/ffpmeg: rename functions to CamelCase

src/decoder/plugins/FfmpegDecoderPlugin.cxx

@@ -711,10 +711,10 @@ ffmpeg_scan_stream(InputStream &is,
 		tag_handler_invoke_duration(handler, handler_ctx, duration);
 	}
 
-	ffmpeg_scan_dictionary(f->metadata, handler, handler_ctx);
+	FfmpegScanDictionary(f->metadata, handler, handler_ctx);
 	int idx = ffmpeg_find_audio_stream(*f);
 	if (idx >= 0)
-		ffmpeg_scan_dictionary(f->streams[idx]->metadata,
+		FfmpegScanDictionary(f->streams[idx]->metadata,
 				     handler, handler_ctx);
 
 	avformat_close_input(&f);

src/decoder/plugins/FfmpegMetaData.cxx

@@ -36,7 +36,7 @@ static const struct tag_table ffmpeg_tags[] = {
 };
 
 static void
-ffmpeg_copy_metadata(TagType type,
+FfmpegScanTag(TagType type,
 	      AVDictionary *m, const char *name,
 	      const struct tag_handler *handler, void *handler_ctx)
 {
@@ -48,7 +48,7 @@ ffmpeg_copy_metadata(TagType type,
 }
 
 static void
-ffmpeg_scan_pairs(AVDictionary *dict,
+FfmpegScanPairs(AVDictionary *dict,
 		const struct tag_handler *handler, void *handler_ctx)
 {
 	AVDictionaryEntry *i = nullptr;
@@ -59,20 +59,20 @@ ffmpeg_scan_pairs(AVDictionary *dict,
 }
 
 void
-ffmpeg_scan_dictionary(AVDictionary *dict,
+FfmpegScanDictionary(AVDictionary *dict,
 		     const struct tag_handler *handler, void *handler_ctx)
 {
 	if (handler->tag != nullptr) {
 		for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
-			ffmpeg_copy_metadata(TagType(i), dict, tag_item_names[i],
+			FfmpegScanTag(TagType(i), dict, tag_item_names[i],
 				      handler, handler_ctx);
 
 		for (const struct tag_table *i = ffmpeg_tags;
 		     i->name != nullptr; ++i)
-			ffmpeg_copy_metadata(i->type, dict, i->name,
+			FfmpegScanTag(i->type, dict, i->name,
 				      handler, handler_ctx);
 	}
 
 	if (handler->pair != nullptr)
-		ffmpeg_scan_pairs(dict, handler, handler_ctx);
+		FfmpegScanPairs(dict, handler, handler_ctx);
 }

src/decoder/plugins/FfmpegMetaData.hxx

@@ -32,7 +32,7 @@ extern "C" {
 struct tag_handler;
 
 void
-ffmpeg_scan_dictionary(AVDictionary *dict,
+FfmpegScanDictionary(AVDictionary *dict,
 		     const tag_handler *handler, void *handler_ctx);
 
 #endif