lavf: remove FF_API_REGISTER_PROTOCOL cruft

libavformat/avio.c

@@ -84,29 +84,6 @@ int ffurl_register_protocol(URLProtocol *protocol, int size)
     return 0;
 }
 
-#if FF_API_REGISTER_PROTOCOL
-/* The layout of URLProtocol as of when major was bumped to 52 */
-struct URLProtocol_compat {
-    const char *name;
-    int (*url_open)(URLContext *h, const char *filename, int flags);
-    int (*url_read)(URLContext *h, unsigned char *buf, int size);
-    int (*url_write)(URLContext *h, unsigned char *buf, int size);
-    int64_t (*url_seek)(URLContext *h, int64_t pos, int whence);
-    int (*url_close)(URLContext *h);
-    struct URLProtocol *next;
-};
-
-int av_register_protocol(URLProtocol *protocol)
-{
-    return ffurl_register_protocol(protocol, sizeof(struct URLProtocol_compat));
-}
-
-int register_protocol(URLProtocol *protocol)
-{
-    return ffurl_register_protocol(protocol, sizeof(struct URLProtocol_compat));
-}
-#endif
-
 static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
                                    const char *filename, int flags)
 {

libavformat/avio.h

@@ -373,22 +373,6 @@ int avio_check(const char *url, int flags);
  */
 void avio_set_interrupt_cb(int (*interrupt_cb)(void));
 
-#if FF_API_REGISTER_PROTOCOL
-extern URLProtocol *first_protocol;
-#endif
-
-#if FF_API_REGISTER_PROTOCOL
-/**
- * @deprecated Use av_register_protocol() instead.
- */
-attribute_deprecated int register_protocol(URLProtocol *protocol);
-
-/**
- * @deprecated Use av_register_protocol2() instead.
- */
-attribute_deprecated int av_register_protocol(URLProtocol *protocol);
-#endif
-
 /**
  * Allocate and initialize an AVIOContext for buffered I/O. It must be later
  * freed with av_free().

libavformat/version.h

@@ -47,9 +47,6 @@
 #ifndef FF_API_URL_CLASS
 #define FF_API_URL_CLASS               (LIBAVFORMAT_VERSION_MAJOR >= 53)
 #endif
-#ifndef FF_API_REGISTER_PROTOCOL
-#define FF_API_REGISTER_PROTOCOL       (LIBAVFORMAT_VERSION_MAJOR < 53)
-#endif
 #ifndef FF_API_GUESS_FORMAT
 #define FF_API_GUESS_FORMAT            (LIBAVFORMAT_VERSION_MAJOR < 53)
 #endif