avio: deprecate url_get_filename().

URLContext.filename should be used directly.

libavformat/avio.c

@@ -212,6 +212,10 @@ int url_get_max_packet_size(URLContext *h)
 {
     return h->max_packet_size;
 }
+void url_get_filename(URLContext *h, char *buf, int buf_size)
+{
+    av_strlcpy(buf, h->filename, buf_size);
+}
 #endif
 
 #define URL_SCHEME_CHARS                        \
@@ -372,12 +376,6 @@ int ffurl_get_file_handle(URLContext *h)
     return h->prot->url_get_file_handle(h);
 }
 
-void url_get_filename(URLContext *h, char *buf, int buf_size)
-{
-    av_strlcpy(buf, h->filename, buf_size);
-}
-
-
 static int default_interrupt_cb(void)
 {
     return 0;

libavformat/avio.h

@@ -113,6 +113,7 @@ attribute_deprecated int url_close(URLContext *h);
 attribute_deprecated int64_t url_filesize(URLContext *h);
 attribute_deprecated int url_get_file_handle(URLContext *h);
 attribute_deprecated int url_get_max_packet_size(URLContext *h);
+attribute_deprecated void url_get_filename(URLContext *h, char *buf, int buf_size);
 #endif
 
 /**
@@ -121,13 +122,6 @@ attribute_deprecated int url_get_max_packet_size(URLContext *h);
  */
 int url_exist(const char *url);
 
-/**
- * Copy the filename of the resource accessed by h to buf.
- *
- * @param buf_size size in bytes of buf
- */
-void url_get_filename(URLContext *h, char *buf, int buf_size);
-
 /**
  * The callback is called in blocking functions to test regulary if
  * asynchronous interruption is needed. AVERROR_EXIT is returned