Module ohos_sys::native_buffer

Modules

• OH_NativeBuffer_Format

Structs

• OH_NativeBuffer
• OH_NativeBuffer_Config
  @brief OH_NativeBuffer config. \n Used to allocating new OH_NativeBuffer andquery parameters if existing ones.
• OH_NativeBuffer_Usage
  @brief Indicates the usage of a native buffer.

Functions

• OH_NativeBuffer_Alloc^⚠
  @brief Alloc a OH_NativeBuffer that matches the passed BufferRequestConfig. \n A new OH_NativeBuffer instance is created each time this function is called.
• OH_NativeBuffer_GetConfig^⚠
  @brief Return a config of the OH_NativeBuffer in the passed OHNativeBufferConfig struct.
• OH_NativeBuffer_GetSeqNum^⚠
  @brief Get the systen wide unique sequence number of the OH_NativeBuffer.
• OH_NativeBuffer_Map^⚠
  @brief Provide direct cpu access to the OH_NativeBuffer in the process’s address space.
• OH_NativeBuffer_Reference^⚠
  @brief Adds the reference count of a OH_NativeBuffer.
• OH_NativeBuffer_Unmap^⚠
  @brief Remove direct cpu access ability of the OH_NativeBuffer in the process’s address space.
• OH_NativeBuffer_Unreference^⚠
  @brief Decreases the reference count of a OH_NativeBuffer and, when the reference count reaches 0, \n destroys this OH_NativeBuffer.