FS-7502: add some changes for video media bug

src/include/switch_core.h

@@ -301,6 +301,8 @@ SWITCH_DECLARE(switch_frame_t *) switch_core_media_bug_get_native_read_frame(swi
 SWITCH_DECLARE(switch_frame_t *) switch_core_media_bug_get_native_write_frame(switch_media_bug_t *bug);
 
 
+SWITCH_DECLARE(switch_frame_t *) switch_core_media_bug_get_video_ping_frame(switch_media_bug_t *bug);
+
 /*!
   \brief Set a return replace frame
   \param bug the bug to set the frame on

src/switch_core_media.c

@@ -10423,7 +10423,6 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(switch_core
 			}
 
 			if (bp->ready && switch_test_flag(bp, SMBF_READ_VIDEO_PING)) {
-				switch_mutex_lock(bp->read_mutex);
 				bp->ping_frame = *frame;
 				if (bp->callback) {
 					if (bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ_VIDEO_PING) == SWITCH_FALSE
@@ -10432,7 +10431,6 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(switch_core
 					}
 				}
 				bp->ping_frame = NULL;
-				switch_mutex_unlock(bp->read_mutex);
 			}
 
 			if (ok == SWITCH_FALSE) {

src/switch_core_media_bug.c

@@ -88,6 +88,11 @@ SWITCH_DECLARE(switch_core_session_t *) switch_core_media_bug_get_session(switch
 	return bug->session;
 }
 
+SWITCH_DECLARE(switch_frame_t *) switch_core_media_bug_get_video_ping_frame(switch_media_bug_t *bug)
+{
+	return bug->ping_frame;
+}
+
 SWITCH_DECLARE(switch_frame_t *) switch_core_media_bug_get_write_replace_frame(switch_media_bug_t *bug)
 {
 	return bug->write_replace_frame_in;