avmessage: move free logic out from ijkmp

ijkmedia/ijkplayer/ijkplayer.c

@@ -664,6 +664,7 @@ void *ijkmp_set_weak_thiz(IjkMediaPlayer *mp, void *weak_thiz)
     return prev_weak_thiz;
 }
 
+/* need to call msg_free_res for freeing the resouce obtained in msg */
 int ijkmp_get_msg(IjkMediaPlayer *mp, AVMessage *msg, int block)
 {
     assert(mp);

ijkmedia/ijkplayer/ijkplayer.h

@@ -212,6 +212,7 @@ void           *ijkmp_get_weak_thiz(IjkMediaPlayer *mp);
 void           *ijkmp_set_weak_thiz(IjkMediaPlayer *mp, void *weak_thiz);
 
 /* return < 0 if aborted, 0 if no packet and > 0 if packet.  */
+/* need to call msg_free_res for freeing the resouce obtained in msg */
 int             ijkmp_get_msg(IjkMediaPlayer *mp, AVMessage *msg, int block);
 
 #endif

ios/IJKMediaPlayer/IJKMediaPlayer/IJKFFMoviePlayerDef.m

@@ -60,7 +60,7 @@
 {
     if (!msg)
         return;
-
+    msg_free_res(&msg->_msg);
     @synchronized(self) {
         if ([_array count] <= 10)
             [_array addObject:msg];