1e41f4b71Sopenharmony_ci# native_avmemory.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## Overview 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciThe **native_avmemory.h** file declares the attribute definition of the media struct **AVMemory**. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**Library**: libnative_media_core.so 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**System capability**: SystemCapability.Multimedia.Media.Core 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**Since**: 9 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**Related module**: [Core](_core.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## Summary 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci### Types 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci| Name| Description| 23e41f4b71Sopenharmony_ci| -------- | -------- | 24e41f4b71Sopenharmony_ci| typedef struct [OH_AVMemory](_core.md#oh_avmemory) [OH_AVMemory](_core.md#oh_avmemory) | Defines a struct that describes a native object for the audio and video memory interface. | 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci### Functions 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci| Name| Description| 30e41f4b71Sopenharmony_ci| -------- | -------- | 31e41f4b71Sopenharmony_ci| [OH_AVMemory](_core.md#oh_avmemory) \* [OH_AVMemory_Create](_core.md#oh_avmemory_create) (int32_t size) | Creates an **OH_AVMemory** instance. (This function is deprecated in API version 11.) | 32e41f4b71Sopenharmony_ci| uint8_t \* [OH_AVMemory_GetAddr](_core.md#oh_avmemory_getaddr) (struct [OH_AVMemory](_core.md#oh_avmemory) \*mem) | Obtains the virtual memory address. (This function is deprecated in API version 11.)| 33e41f4b71Sopenharmony_ci| int32_t [OH_AVMemory_GetSize](_core.md#oh_avmemory_getsize) (struct [OH_AVMemory](_core.md#oh_avmemory) \*mem) | Obtains the memory length. (This function is deprecated in API version 11.) | 34e41f4b71Sopenharmony_ci| [OH_AVErrCode](_core.md#oh_averrcode) [OH_AVMemory_Destroy](_core.md#oh_avmemory_destroy) (struct [OH_AVMemory](_core.md#oh_avmemory) \*mem) | Releases an **OH_AVMemory** instance. (This function is deprecated in API version 11.)| 35