text: /*
   * 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 MppMetaVal_t {
      RK_U32              state;
      union {
          RK_S32          val_s32;
          RK_S64          val_s64;
          void            *val_ptr;
          MppFrame        frame;
          MppPacket       packet;
          MppBuffer       buffer;
      };
  } MppMetaVal;
  
  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;
      RK_S32              node_count;
      MppMetaVal          vals[];
  } MppMetaImpl;
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  RK_S32 mpp_meta_size(MppMeta meta);
  MPP_RET mpp_meta_dump(MppMeta meta);
  MPP_RET mpp_meta_inc_ref(MppMeta meta);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /*__MPP_META_IMPL_H__*/
  