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[实时分支问题]uAVS3_gop多次运行偶现码流不一致 #48

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jijiwawa opened this issue Mar 8, 2023 · 1 comment
Open

[实时分支问题]uAVS3_gop多次运行偶现码流不一致 #48

jijiwawa opened this issue Mar 8, 2023 · 1 comment

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@jijiwawa
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jijiwawa commented Mar 8, 2023

问题现象:
使用RealTime分支编码器uAVS3_gop进行多次编码,会偶现每次跑码流不一致问题。
(同一命令,60次跑其中有1次与其他59次码流存在微小差异)

问题命令:
./uAVS3_gop -f ../bin/encoder_ra.cfg -p InputFile=./7680X4320_10bit.yuv -p threads-frm=9 -p threads-wpp=16 -p threads-gop=1 -p RateControl=3 -p TargetBitRate=35000 -p QP=32 -p SpeedLevel=7 -p FrameRate=100 -p FramesToBeEncoded=50 -p OutputFile=./out.avs3

环境:
CPU:ARM64
OS:openEuler release 22.03 LTS
GCC:10.3.1

@dujiangpku
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该问题的出现可能是因为多线程的同步问题,造成输出码流产生细微的变化,经测试并不会影响编码器的功能,仅造成编码器性能的轻微波动,且这个波动造成的bdrate改变非常微小,对编码器基本没有影响。
因此我们的建议是仍然可以正常使用该编码器,该问题后续会修复。

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