[mpp_callback]: Optimize callback module

1. Move callback module to osal for later mpp_device callback.
2. Make callback command a pre-defined value to avoid include issue.
3. Separate callback cmd and param to separate header.

Change-Id: Ibd5cf11650a1cd2a326baddb82dc60fa1767ac87
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>

osal/mpp_callback.cpp

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2021 Rockchip Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define MODULE_TAG "mpp_callback"
+
+#include "mpp_callback.h"
+
+MPP_RET mpp_callback_f(const char *caller, MppCbCtx *ctx, void *param)
+{
+    if (ctx && ctx->ctx && ctx->callBack)
+        return ctx->callBack(caller, ctx->ctx, ctx->cmd, param);
+
+    return MPP_OK;
+}