Audio Return Codes

**Table 1** Error codes of APIs for basic audio attributes
Error Code	Macro Definition	Description
0xa0148003	HI_ERR_AIO_ILLEGAL_PARAM	The settings of basic audio attributes are invalid.
0xa0148006	HI_ERR_AIO_NULL_PTR	The pointer to the input parameter is null.
0xa0148009	HI_ERR_AIO_NOT_PERM	The operation is not permitted.
0xa0148010	HI_ERR_AIO_NOT_READY	The basic audio system is not initialized.
0xa0148012	HI_ERR_AIO_BUSY	The basic audio system is busy.
0xa014801d	HI_ERR_AIO_REGISTER_ERR	Registration failure.

**Table 2** Audio input (AI) error codes
Error Code	Macro Definition	Description
0xa0158001	HI_ERR_AI_INVALID_DEV_ID	The AI device ID is invalid.
0xa0158002	HI_ERR_AI_INVALID_CHN_ID	The AI channel ID is invalid.
0xa0158003	HI_ERR_AI_ILLEGAL_PARAM	The AI parameter setting is invalid.
0xa0158006	HI_ERR_AI_NULL_PTR	The pointer to the input parameter is null.
0xa0158007	HI_ERR_AI_NOT_CFG	Attributes of the AI device are not set.
0xa0158009	HI_ERR_AI_NOT_PERM	The operation is not permitted.
0xa015800c	HI_ERR_AI_NO_MEM	The memory allocation fails.
0xa015800d	HI_ERR_AI_NO_BUF	The AI buffer is insufficient.
0xa015800e	HI_ERR_AI_BUF_EMPTY	The AI buffer is empty.
0xa015800f	HI_ERR_AI_BUF_FULL	The AI buffer is full.
0xa0158010	HI_ERR_AI_NOT_READY	The AI system is not initialized.
0xa0158012	HI_ERR_AI_BUSY	The AI system is busy.
0xa0158017	HI_ERR_AI_NOT_ENABLED	The AI device or channel is not enabled.

**Table 3** Audio output (AO) error codes
Error Code	Macro Definition	Description
0xa0168001	HI_ERR_AO_INVALID_DEV_ID	The AO device ID is invalid.
0xa0168002	HI_ERR_AO_INVALID_CHN_ID	The AO channel ID is invalid.
0xa0168003	HI_ERR_AO_ILLEGAL_PARAM	The AO parameter setting is invalid.
0xa0168006	HI_ERR_AO_NULL_PTR	The AO pointer is null.
0xa0168007	HI_ERR_AO_NOT_ CFG	Attributes of the AO device are not set.
0xa0168009	HI_ERR_AO_NOT_PERM	The operation is not permitted.
0xa016800c	HI_ERR_AO_NO_MEM	The system memory is insufficient.
0xa016800d	HI_ERR_AO_NO_BUF	The AO buffer is insufficient.
0xa016800e	HI_ERR_AO_BUF_EMPTY	The AO buffer is empty.
0xa016800f	HI_ERR_AO_BUF_FULL	The AO buffer is full.
0xa0168010	HI_ERR_AO_NOT_READY	The AO system is not initialized.
0xa0168012	HI_ERR_AO_BUSY	The AO system is busy.
0xa0168017	HI_ERR_AO_NOT_ENABLED	The AO device or channel is not enabled.

**Table 4** Audio encoding error codes
Error Code	Macro Definition	Description
0xa0178001	HI_ERR_AENC_INVALID_DEV_ID	The audio device ID is invalid.
0xa0178002	HI_ERR_AENC_INVALID_CHN_ID	The AENC channel ID is invalid.
0xa0178003	HI_ERR_AENC_ILLEGAL_PARAM	The audio encoding parameters are invalid.
0xa0178004	HI_ERR_AENC_EXIST	An AENC channel is already created.
0xa0178005	HI_ERR_AENC_UNEXIST	The AENC channel is not created.
0xa0178006	HI_ERR_AENC_NULL_PTR	The pointer to the input parameter is null.
0xa0178007	HI_ERR_AENC_NOT_CFG	The encoding channel is not configured.
0xa0178008	HI_ERR_AENC_NOT_SUPPORT	The operation is not supported.
0xa0178009	HI_ERR_AENC_NOT_PERM	The operation is not permitted.
0xa017800c	HI_ERR_AENC_NO_MEM	The system memory is insufficient.
0xa017800d	HI_ERR_AENC_NO_BUF	The buffer of the encoding channel fails to be allocated.
0xa017800e	HI_ERR_AENC_BUF_EMPTY	The encoding channel buffer is empty.
0xa017800f	HI_ERR_AENC_BUF_FULL	The encoding channel buffer is full.
0xa0178010	HI_ERR_AENC_NOT_READY	The system is not initialized.
0xa0178040	HI_ERR_AENC_ENCODER_ERR	The audio encoding data is incorrect.

**Table 5** Audio decoding error codes
Error Code	Macro Definition	Description
0xa0188001	HI_ERR_ADEC_INVALID_DEV_ID	The ID of the ADEC device is invalid.
0xa0188002	HI_ERR_ADEC_INVALID_CHN_ID	The ADEC channel ID is invalid.
0xa0188003	HI_ERR_ADEC_ILLEGAL_PARAM	The audio decoding parameters are invalid.
0xa0188004	HI_ERR_ADEC_EXIST	An ADEC channel is already created.
0xa0188005	HI_ERR_ADEC_UNEXIST	The ADEC channel is not created.
0xa0188006	HI_ERR_ADEC_NULL_PTR	The pointer to the input parameter is null.
0xa0188007	HI_ERR_ADEC_NOT_CFG	The attributes of the decoding channel are not configured.
0xa0188008	HI_ERR_ADEC_NOT_SUPPORT	The operation is not supported.
0xa0188009	HI_ERR_ADEC_NOT_PERM	The operation is not permitted.
0xa018800c	HI_ERR_ADEC_NO_MEM	The system memory is insufficient.
0xa018800d	HI_ERR_ADEC_NO_BUF	The buffer of the decoding channel fails to be allocated.
0xa018800e	HI_ERR_ADEC_BUF_EMPTY	The decoding channel buffer is empty.
0xa018800f	HI_ERR_ADEC_BUF_FULL	The buffer of the decoding channel is full.
0xa0188010	HI_ERR_ADEC_NOT_READY	The system is not initialized.
0xa0188040	HI_ERR_ADEC_DECODER_ERR	The decoded audio data is incorrect.
0xa0188041	HI_ERR_ADEC_BUF_LACK	The buffer space for the input to be decoded is insufficient.

Parent topic: Return Codes