# define attribute_deprecated
#endif
-
- #if defined(__GNUC__)
+/**
+ * Disable warnings about deprecated features
+ * This is useful for sections of code kept for backward compatibility and
+ * scheduled for removal.
+ */
+#ifndef AV_NOWARN_DEPRECATED
+#if AV_GCC_VERSION_AT_LEAST(4,6)
+# define AV_NOWARN_DEPRECATED(code) \
+ _Pragma("GCC diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") \
+ code \
+ _Pragma("GCC diagnostic pop")
+#elif defined(_MSC_VER)
+# define AV_NOWARN_DEPRECATED(code) \
+ __pragma(warning(push)) \
+ __pragma(warning(disable : 4996)) \
+ code; \
+ __pragma(warning(pop))
+#else
+# define AV_NOWARN_DEPRECATED(code) code
+#endif
+#endif
+
+ #if defined(__GNUC__) || defined(__clang__)
# define av_unused __attribute__((unused))
#else
# define av_unused