diff --git a/interface/kits/c/native_audio_channel_layout.h b/interface/kits/c/native_audio_channel_layout.h
index 4fc7c56168e7a82d4763336db2e50a2119506b4f..307f0a7913ed24283858b040aea5e652909e6f12 100644
--- a/interface/kits/c/native_audio_channel_layout.h
+++ b/interface/kits/c/native_audio_channel_layout.h
@@ -14,8 +14,7 @@
  */
 
 /**
- * @brief The channel layout indicates the appearance and order of the speakers
- * for recording or playback.
+ * @brief The channel layout during recording and playback.
  *
  * @library NA
  * @syscap SystemCapability.Multimedia.Media.Core
diff --git a/interface/kits/c/native_avbuffer.h b/interface/kits/c/native_avbuffer.h
index ce24df936cb8d1c3a514ea9f56f5df66846b17b4..615a21e08a51c35f9e6d10e55cebffac60806158 100644
--- a/interface/kits/c/native_avbuffer.h
+++ b/interface/kits/c/native_avbuffer.h
@@ -29,67 +29,88 @@ typedef struct OH_AVBuffer OH_AVBuffer;
 typedef struct OH_NativeBuffer OH_NativeBuffer;
 
 /**
- * @brief Create an OH_AVBuffer instance, It should be noted that the life cycle of the OH_AVBuffer instance pointed
- * to by the return value * needs to be manually released by {@link OH_AVBuffer_Destroy}.
+ * @brief Create an OH_AVBuffer instance, It should be noted that the OH_AVBuffer instance pointed
+ * to by the return value * needs to be released by {@link OH_AVBuffer_Destroy}.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param capacity the buffer's capacity, bytes
- * @return Returns a pointer to an OH_AVBuffer instance if the execution is successful, otherwise returns nullptr
+ * @return Returns a pointer to an OH_AVBuffer instance if the execution is successful, otherwise returns NULL.
+ * Possible failure causes:
+ * 1. capacity <= 0;
+ * 2. internal error occurred, the system has no resources.
  * @since 11
  */
 OH_AVBuffer *OH_AVBuffer_Create(int32_t capacity);
 
 /**
  * @brief Clear the internal resources of the buffer and destroy the buffer instance.
+ * The same buffer can not be destroyed repeatedly.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param buffer Encapsulate OH_AVBuffer structure instance pointer
- * @return Returns AV_ERR_OK if the execution is successful, otherwise returns a specific error code, refer to
- * {@link OH_AVErrCode}
+ * @return Function result code.
+ *         {@link AV_ERR_OK} if the execution is successful.
+ *         {@link AV_ERR_INVALID_VAL} if input buffer is nullptr or structure verification failed of the buffer.
+ *         {@link AV_ERR_OPERATE_NOT_PERMIT} if input buffer is not user created.
  * @since 11
  */
 OH_AVErrCode OH_AVBuffer_Destroy(OH_AVBuffer *buffer);
 
 /**
- * @brief Get the buffer's attribute.
+ * @brief Get the buffer's attribute, such as pts, size, offset, and flags.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param buffer Encapsulate OH_AVBuffer structure instance pointer
  * @param attr Encapsulate OH_AVCodecBufferAttr structure instance pointer, please refer to
  * {@link OH_AVCodecBufferAttr}
- * @return Returns AV_ERR_OK if the execution is successful, otherwise returns a specific error code, refer to
- * {@link OH_AVErrCode}
+ * @return Function result code.
+ *         {@link AV_ERR_OK} if the execution is successful.
+ *         {@link AV_ERR_INVALID_VAL}
+ *         1. input buffer or attr is nullptr;
+ *         2. structure verification failed of the buffer.
  * @since 11
  */
 OH_AVErrCode OH_AVBuffer_GetBufferAttr(OH_AVBuffer *buffer, OH_AVCodecBufferAttr *attr);
 
 /**
- * @brief Set the buffer's attribute.
+ * @brief Set the buffer's attribute, such as pts, size, offset, and flags.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param buffer Encapsulate OH_AVBuffer structure instance pointer
  * @param attr Encapsulate OH_AVCodecBufferAttr structure instance pointer, please refer to
  * {@link OH_AVCodecBufferAttr}
- * @return Returns AV_ERR_OK if the execution is successful, otherwise returns a specific error code, refer to
- * {@link OH_AVErrCode}
+ * @return Function result code.
+ *         {@link AV_ERR_OK} if the execution is successful.
+ *         {@link AV_ERR_INVALID_VAL}
+ *         1. input buffer or attr is nullptr;
+ *         2. structure verification failed of the buffer;
+ *         3. the size or offset of input buffer's memory is invalid.
  * @since 11
  */
 OH_AVErrCode OH_AVBuffer_SetBufferAttr(OH_AVBuffer *buffer, const OH_AVCodecBufferAttr *attr);
 
 /**
- * @brief Get the buffer's parameter. It should be noted that the life cycle of the OH_AVFormat instance pointed to
- * by the return value * needs to be manually released by {@link OH_AVFormat_Destroy}.
+ * @brief Get parameters except basic attributes, the information is carried in OH_AVFormat.
+ * It should be noted that the OH_AVFormat instance pointed to
+ * by the return value * needs to be released by {@link OH_AVFormat_Destroy}.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param buffer Encapsulate OH_AVBuffer structure instance pointer
  * @return Returns Encapsulate OH_AVFormat structure instance pointer if the execution is successful,
- * otherwise returns nullptr
+ * otherwise returns nullptr. Possible failure causes:
+ * 1. input buffer is nullptr;
+ * 2. structure verification failed of the buffer;
+ * 3. buffer's meta is nullptr.
  * @since 11
  */
 OH_AVFormat *OH_AVBuffer_GetParameter(OH_AVBuffer *buffer);
 
 /**
- * @brief Set the buffer's parameter.
+ * @brief Set parameters except basic attributes, the information is carried in OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param buffer Encapsulate OH_AVBuffer structure instance pointer
  * @param format Encapsulate OH_AVFormat structure instance pointer
- * @return Returns AV_ERR_OK if the execution is successful, otherwise returns a specific error code, refer to
- * {@link OH_AVErrCode}
+ * @return Function result code.
+ *         {@link AV_ERR_OK} if the execution is successful.
+ *         {@link AV_ERR_INVALID_VAL}
+ *         1. input buffer or format is nullptr;
+ *         2. structure verification failed of the buffer;
+ *         3. input meta is nullptr.
  * @since 11
  */
 OH_AVErrCode OH_AVBuffer_SetParameter(OH_AVBuffer *buffer, const OH_AVFormat *format);
@@ -98,27 +119,38 @@ OH_AVErrCode OH_AVBuffer_SetParameter(OH_AVBuffer *buffer, const OH_AVFormat *fo
  * @brief Get the buffer's virtual address.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param buffer Encapsulate OH_AVBuffer structure instance pointer
- * @return the buffer's virtual address if the buffer is valid, otherwise nullptr
+ * @return the buffer's virtual address if the buffer is valid, otherwise NULL
+ * Possible failure causes:
+ * 1. input buffer is nullptr;
+ * 2. structure verification failed of the OH_AVBuffer;
+ * 3. internal error has occurred.
  * @since 11
  */
 uint8_t *OH_AVBuffer_GetAddr(OH_AVBuffer *buffer);
 
 /**
- * @brief Get the buffer's capacity
+ * @brief Get the buffer's capacity(byte).
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param buffer Encapsulate OH_AVBuffer structure instance pointer
- * @return the buffer's capacity if the buffer is valid, otherwise -1
+ * @return The buffer's capacity if the buffer is valid, otherwise -1
+ * Possible failure causes:
+ * 1. input buffer is nullptr;
+ * 2. structure verification failed of the OH_AVBuffer;
+ * 3. internal error has occurred.
  * @since 11
  */
 int32_t OH_AVBuffer_GetCapacity(OH_AVBuffer *buffer);
 
 /**
- * @brief Get the OH_NativeBuffer instance pointer,It should be noted that the life cycle of the OH_AVBuffer
- * instance pointed to by the return value * needs to be manually released by {@link OH_NativeBuffer_Unreference}.
+ * @brief Get the OH_NativeBuffer instance pointer. It should be noted that the OH_AVBuffer
+ * instance pointed to by the return value * needs to be released by {@link OH_NativeBuffer_Unreference}.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param buffer Encapsulate OH_AVBuffer structure instance pointer
- * @return Returns Encapsulate OH_NativeBuffer structure instance pointer is successful,
- * otherwise returns nullptr
+ * @return Returns Encapsulate OH_NativeBuffer structure instance pointer is successful, otherwise returns NULL
+ * Possible failure causes:
+ * 1. input buffer is nullptr;
+ * 2. structure verification failed of the OH_AVBuffer;
+ * 3. internal error has occurred.
  * @since 11
  */
 OH_NativeBuffer *OH_AVBuffer_GetNativeBuffer(OH_AVBuffer *buffer);
diff --git a/interface/kits/c/native_avformat.h b/interface/kits/c/native_avformat.h
index 4335cee3370160b09cf5cf5d9b866ed699bc82c7..c5a006d05ed3f2a5e80a5b84aa13e5026f1a2754 100644
--- a/interface/kits/c/native_avformat.h
+++ b/interface/kits/c/native_avformat.h
@@ -65,12 +65,13 @@ typedef enum OH_AVPixelFormat {
 struct OH_AVFormat *OH_AVFormat_Create(void);
 
 /**
- * @briefCreate an audio OH_AVFormat handle pointer to read and write data
+ * @brief Create an audio OH_AVFormat handle pointer to read and write data.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param mimeType mime type
  * @param sampleRate sample rate
  * @param channelCount channel count
- * @return Returns a pointer to an OH_AVFormat instance
+ * @return Returns a pointer to an OH_AVFormat instance if the execution is successful, otherwise nullptr
+ * Possible failure causes: 1. mimeType is nullptr; 2. new format is nullptr.
  * @since 10
  * @version 1.0
  */
@@ -79,12 +80,13 @@ struct OH_AVFormat *OH_AVFormat_CreateAudioFormat(const char *mimeType,
                                                   int32_t channelCount);
 
 /**
- * @briefCreate an video OH_AVFormat handle pointer to read and write data
+ * @brief Create an video OH_AVFormat handle pointer to read and write data.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param mimeType mime type
  * @param width width
  * @param height height
- * @return Returns a pointer to an OH_AVFormat instance
+ * @return Returns a pointer to an OH_AVFormat instance if the execution is successful, otherwise nullptr
+ * Possible failure causes: 1. mimeType is nullptr; 2. new format is nullptr.
  * @since 10
  * @version 1.0
  */
@@ -93,7 +95,7 @@ struct OH_AVFormat *OH_AVFormat_CreateVideoFormat(const char *mimeType,
                                                   int32_t height);
 
 /**
- * @brief Destroy the specified OH_AVFormat handle resource
+ * @brief Destroy the OH_AVFormat instance, can not be destoryed repeatedly.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @return void
@@ -103,145 +105,212 @@ struct OH_AVFormat *OH_AVFormat_CreateVideoFormat(const char *mimeType,
 void OH_AVFormat_Destroy(struct OH_AVFormat *format);
 
 /**
- * @brief Copy OH_AVFormat handle resource
+ * @brief Copy OH_AVFormat handle resource.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param to OH_AVFormat handle pointer to receive data
  * @param from pointer to the OH_AVFormat handle of the copied data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input parameter is nullptr;
+ * 2. structure verification failed of the input OH_AVFormat.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_Copy(struct OH_AVFormat *to, struct OH_AVFormat *from);
 
 /**
- * @brief Write Int data to OH_AVFormat
+ * @brief Set a value of Int type to the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key key to write data
  * @param value written data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. value type corresponding to the key is incorrect.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_SetIntValue(struct OH_AVFormat *format, const char *key, int32_t value);
 
 /**
- * @brief Write Long data to OH_AVFormat
+ * @brief Set a value of Long type to the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key key to write data
  * @param value written data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. value type corresponding to the key is incorrect.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_SetLongValue(struct OH_AVFormat *format, const char *key, int64_t value);
 
 /**
- * @brief Write Float data to OH_AVFormat
+ * @brief Set a value of Float type to the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key key to write data
  * @param value written data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. value type corresponding to the key is incorrect.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_SetFloatValue(struct OH_AVFormat *format, const char *key, float value);
 
 /**
- * @brief Write Double data to OH_AVFormat
+ * @brief Set a value of Double type to the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key key to write data
  * @param value written data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. value type corresponding to the key is incorrect.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_SetDoubleValue(struct OH_AVFormat *format, const char *key, double value);
 
 /**
- * @brief Write String data to OH_AVFormat
+ * @brief Set a value of String type to the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key key to write data
  * @param value written data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. input value is nullptr;
+ * 5. value type corresponding to the key is incorrect;
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_SetStringValue(struct OH_AVFormat *format, const char *key, const char *value);
 
 /**
- * @brief Write a block of data of a specified length to OH_AVFormat
+ * @brief Write a block of data of a specified length to OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key key to write data
- * @param addr written data addr
- * @param size written data length
+ * @param addr written data addr, the lifecycle is managed by the invoker
+ * @param size written data length, range is(0, 1)MB
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. input addr is nullptr;
+ * 5. size is 0 or exceeds the upper limit, which is 1MB;
+ * 6. value type corresponding to the key is incorrect.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_SetBuffer(struct OH_AVFormat *format, const char *key, const uint8_t *addr, size_t size);
 
 /**
- * @brief Read Int data from OH_AVFormat
+ * @brief Get the Int value from the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key read key value
  * @param out read data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. input out is nullptr;
+ * 5. the obtained key does not exist or is not set.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_GetIntValue(struct OH_AVFormat *format, const char *key, int32_t *out);
 
 /**
- * @brief Read Long data from OH_AVFormat
+ * @brief Get the Long value from the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key read key value
  * @param out read data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. input out is nullptr;
+ * 5. the obtained key does not exist or is not set.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_GetLongValue(struct OH_AVFormat *format, const char *key, int64_t *out);
 
 /**
- * @brief Read Float data from OH_AVFormat
+ * @brief Get the Float value from the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key read key value
  * @param out read data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. input out is nullptr;
+ * 5. the obtained key does not exist or is not set.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_GetFloatValue(struct OH_AVFormat *format, const char *key, float *out);
 
 /**
- * @brief Read Double data from OH_AVFormat
+ * @brief Get the Double value from the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key read key value
  * @param out read data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. input out is nullptr;
+ * 5. the obtained key does not exist or is not set.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_GetDoubleValue(struct OH_AVFormat *format, const char *key, double *out);
 
 /**
- * @brief Read String data from OH_AVFormat
+ * @brief Get the String value from the key of OH_AVFormat.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
  * @param key read key value
  * @param out The read string pointer, the data life cycle pointed to is updated with GetString,
  * and Format is destroyed. If the caller needs to hold it for a long time, it must copy the memory
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. input out is nullptr;
+ * 5. the resources of out string generated by malloc is insufficient;
+ * 6. the obtained key does not exist or is not set.
  * @since 9
  * @version 1.0
  */
@@ -251,21 +320,31 @@ bool OH_AVFormat_GetStringValue(struct OH_AVFormat *format, const char *key, con
  * @brief Read a block of data of specified length from OH_AVFormat
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
- * @param key Key value for reading and writing data
+ * @param key Key value for reading data
  * @param addr The life cycle is held by the format, with the destruction of the format,
  * if the caller needs to hold it for a long time, it must copy the memory
- * @param size Length of read and write data
+ * @param size Length of read data
  * @return The return value is TRUE for success, FALSE for failure
+ * Possible failure causes:
+ * 1. input format is nullptr;
+ * 2. structure verification failed of the input format;
+ * 3. input key is nullptr;
+ * 4. input addr is nullptr;
+ * 5. input size is nullptr;
+ * 6. the obtained key does not exist or is not set.
  * @since 9
  * @version 1.0
  */
 bool OH_AVFormat_GetBuffer(struct OH_AVFormat *format, const char *key, uint8_t **addr, size_t *size);
 
 /**
- * @brief Output the information contained in OH_AVFormat as a string.
+ * @brief Return a string consisting of key and values contained in OH_AVFormat.
+ * the max string that can be returned is 1024 bytes,
+ * and the string pointer is released when the format is destroyed.
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param format pointer to an OH_AVFormat instance
- * @return Returns a string consisting of key and data
+ * @return Returns a string consisting of key and data for success, NULL for failure
+ * Possible failure causes: 1. input format is nullptr; 2. system resources are insufficient.
  * @since 9
  * @version 1.0
  */
diff --git a/interface/kits/c/native_avmemory.h b/interface/kits/c/native_avmemory.h
index 489a4ff49c3493e94dda7ed35772c061e156a7da..b0ef26562239f71e0288b6c6a20663988aa315e9 100644
--- a/interface/kits/c/native_avmemory.h
+++ b/interface/kits/c/native_avmemory.h
@@ -29,7 +29,8 @@ typedef struct OH_AVMemory OH_AVMemory;
  * @brief Create an OH_AVMemory instance
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param size the memory's size, bytes.
- * @return Returns a pointer to an OH_AVMemory instance, needs to be freed by OH_AVMemory_Destroy.
+ * @return Returns a pointer to an OH_AVMemory instance for success, needs to be freed by OH_AVMemory_Destroy,
+ * otherwise returns NULL.
  * @deprecated since 11
  * @useinstead OH_AVBuffer_Create
  * @since 10
@@ -40,7 +41,11 @@ OH_AVMemory *OH_AVMemory_Create(int32_t size);
  * @brief Get the memory's virtual address
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param mem Encapsulate OH_AVMemory structure instance pointer
- * @return the memory's virtual address if the memory is valid, otherwise nullptr.
+ * @return the memory's virtual address if the memory is valid, otherwise NULL.
+ * Possible failure causes:
+ * 1. input mem is nullptr;
+ * 2. structure verification failed of the mem;
+ * 3. mem's memory is nullptr.
  * @deprecated since 11
  * @useinstead OH_AVBuffer_GetAddr
  * @since 9
@@ -53,6 +58,10 @@ uint8_t *OH_AVMemory_GetAddr(struct OH_AVMemory *mem);
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param mem Encapsulate OH_AVMemory structure instance pointer
  * @return the memory's size if the memory is valid, otherwise -1.
+ * Possible failure causes:
+ * 1. input mem is nullptr;
+ * 2. structure verification failed of the mem;
+ * 3. mem's memory is nullptr.
  * @deprecated since 11
  * @useinstead OH_AVBuffer_GetCapacity
  * @since 9
@@ -65,8 +74,12 @@ int32_t OH_AVMemory_GetSize(struct OH_AVMemory *mem);
  * instance
  * @syscap SystemCapability.Multimedia.Media.Core
  * @param mem Encapsulate OH_AVMemory structure instance pointer
- * @return Returns AV_ERR_OK if the execution is successful,
- * otherwise returns a specific error code, refer to {@link OH_AVErrCode}
+ * @return Function result code.
+ *         {@link AV_ERR_OK} if the execution is successful.
+ *         {@link AV_ERR_INVALID_VAL}
+ *         1. input mem is nullptr;
+ *         2. structure verification failed of the mem;
+ *         3. mem's memory is nullptr.
  * @deprecated since 11
  * @useinstead OH_AVBuffer_Destroy
  * @since 10