hi_venc_stream_info

说明

定义码流信息字典, 暂不支持。

定义

hi_venc_stream_info = {"ref_type": hi_venc_ref_type, # R;Type of encoded frames in advanced frame skipping reference mode
                       "pic_bytes": pic_bytes, # R;the coded picture stream byte number
                       "pic_cnt": pic_cnt,# R;When channel attributes 'is_by_frame == 1', it means count of frames.
                                              # When channel attributes 'is_by_frame == 0', it means count of packets
                       "start_qp": start_qp, # R;the start Qp of encoded frames
                       "mean_qp": mean_qp, # R;the mean Qp of encoded frames
                       "is_p_skip": is_p_skip,
                       "residual_bits": residual_bits, # R;residual
                       "head_bits": head_bits, # R;head information
                       "madi_val": madi_val, # R;madi
                       "madp_val": madp_val, # R;madp
                       "sse_sum": sse_sum, # R;Sum of MSE value
                       "sse_lcu_cnt": sse_lcu_cnt, # R;Sum of LCU number
                       "psnr_val": psnr_val} # R;PSNR

成员

成员名称

描述

ref_type

整型, 高级跳帧参考下的编码帧类型。

pic_bytes

整型, 已编码码流的字节数

pic_cnt

整型, 当通道属性is_by_frame == 1时,表示帧数;当is_by_frame == 0时,表示包数

start_qp

整型, 编码帧的起始QP

mean_qp

整型, 编码帧的平均QP

is_p_skip

整型, 是否P帧是skip帧

residual_bits

整型, 编码当前帧残差bit数

head_bits

整型, 编码当前帧头信息bit数

madi_val

整型, 编码当前帧空域纹理复杂度Madi值

madp_val

整型, 编码当前帧时域运动复杂度Madp值

sse_sum

整型, 编码当前帧中SSE(和方差)值

sse_lcu_cnt

整型, 编码当前帧中LCU个数

psnr_val

整型, 编码当前帧的PSNR(峰值信噪比)值