hi_aenc_chn_attr

Description

Defines the attributes of an audio encoding channel.

Prototype

typedef struct {
    hi_payload_type type;
    hi_u32 point_num_per_frame;
    hi_u32 buf_size;          
    hi_void ATTRIBUTE *value;
} hi_aenc_chn_attr;

Members

Member	Description
type	Audio encoding protocol type. Currently, HI_PT_G711A, HI_PT_G711U, and HI_PT_AAC are supported. This is a static attribute.
point_num_per_frame	Required frame length for the audio encoding protocol (if the received audio frame length is less than or equal to the required frame length, the received frame can be encoded.) For G.711a and G.711u encoding, the frame length can be 80, 160, 240, 320, or 480. For AAC encoding, the frame length can only be 1024.
buf_size	Size of the audio encoding buffer, in frames. For G.711a and G.711u encoding, the value range of this parameter is [2, 100]. For AAC encoding, the value range is [10, 80]. This is a static attribute.
value	Pointer to the specific protocol attribute. In G.711a/G.711u encoding mode, this parameter is invalid and a non-null pointer is required. In AAC encoding mode, the hi_aenc_attr_aac structure variable needs to be transferred. This is a static attribute.

Parent topic: Audio-Related