DeckLink disp.: use prefix-matching for "synchronized"

CESNET · Oct 12, 2023 · 447f1f3 · 447f1f3
1 parent e288bb4
commit 447f1f3
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/src/utils/macros.h b/src/utils/macros.h
@@ -113,6 +113,9 @@ enum {
 #define IS_KEY_PREFIX(tok, key) \
         (strchr((tok), '=') != 0 && \
          strncmp(key, tok, strchr((tok), '=') - (tok)) == 0)
+/// similar as above, but also key without a value is accepted (value optional)
+#define IS_PREFIX(tok, key) \
+        (IS_KEY_PREFIX(tok, key) || strncmp(tok, key, strlen(tok)) == 0)
 
 #endif // !defined UTILS_MACROS_H_1982D373_8862_4453_ADFB_33AECC853E48
 
diff --git a/src/video_display/decklink.cpp b/src/video_display/decklink.cpp
@@ -1195,7 +1195,7 @@ static bool settings_init(struct state_decklink *s, const char *fmt,
                             << "Deprecated, do not use - "
                                "see option \"synchroninzed\" instead.\n";
                         s->low_latency = strcasecmp(ptr, "low-latency") == 0;
-                } else if (strstr(ptr, "sync") == ptr) {
+                } else if (IS_PREFIX(ptr, "synchronized")) {
                         s->low_latency = false;
                         ptr = strchr(ptr, '=');
                         if (ptr != nullptr) {