hi_venc_chn_param

Function

Defines the VENC channel parameters.

Definition

typedef struct {
    hi_bool color_to_grey_en;
    hi_u32 priority;
    hi_u32 max_stream_cnt;
    hi_u32 poll_wake_up_frame_cnt;
    hi_crop_info crop_info;
    hi_frame_rate_ctrl frame_rate;
} hi_venc_chn_param;

For details about basic data types hi_u32 and hi_bool, see Basic Data Types.

Members

Member	Description
color_to_grey_en	Whether to enable or disable color-to-grayscale conversion for a channel. For Ascend 950PR/Ascend 950DT, this parameter is not supported. For Atlas A3 training products/Atlas A3 inference products, this parameter is not supported. For Atlas A2 training products/Atlas A2 inference products, this parameter is not supported. For Atlas inference products, this parameter is reserved and is not supported currently.
priority	Channel priority. Defaults to 0. A larger value indicates a higher priority. Value range: [0, 2)
max_stream_cnt	Maximum number of frames in the stream buffer. Reserved.
poll_wake_up_frame_cnt	Number of frames to wait before waking up a blocking API if a channel obtains streams in timeout or blocking mode. Reserved. The value must be greater than 0. Default value: 1
crop_info	Reserved parameter, not supported currently. For details, see hi_crop_info.
frame_rate	Frame rate. Reserved. For details, see hi_frame_rate_ctrl.

Parent topic: VENC/JPEGE