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2025-08-22 13:52:24 +08:00
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+/*
+ * Copyright 2015 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.
+ */
+
+#ifndef __MPP_META_IMPL_H__
+#define __MPP_META_IMPL_H__
+
+#include "mpp_common.h"
+
+#include "mpp_list.h"
+#include "mpp_meta.h"
+
+typedef struct MppMetaDef_t {
+    MppMetaKey          key;
+    MppMetaType         type;
+} MppMetaDef;
+
+typedef struct MppMetaImpl_t {
+    char                tag[MPP_TAG_SIZE];
+    const char          *caller;
+    RK_S32              meta_id;
+    RK_S32              ref_count;
+
+    struct list_head    list_meta;
+    struct list_head    list_node;
+    RK_S32              node_count;
+} MppMetaImpl;
+
+typedef union MppMetaVal_u {
+    RK_S32              val_s32;
+    RK_S64              val_s64;
+    void                *val_ptr;
+    MppFrame            frame;
+    MppPacket           packet;
+    MppBuffer           buffer;
+} MppMetaVal;
+
+typedef struct MppMetaNode_t {
+    struct list_head    list_meta;
+    struct list_head    list_node;
+    MppMetaImpl         *meta;
+    RK_S32              node_id;
+
+    RK_S32              type_id;
+    MppMetaVal          val;
+} MppMetaNode;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+RK_S32 mpp_meta_size(MppMeta meta);
+MPP_RET mpp_meta_inc_ref(MppMeta meta);
+MppMetaNode *mpp_meta_next_node(MppMeta meta);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__MPP_META_IMPL_H__*/