[FFmpeg-user] that does delay of mpg mean?

[linxs]

Sorry for the wrong title , it is: what does it means?

2016-02-26 18:31 GMT+08:00 linxs <linxsy at gmail.com>:
> Dear Sir,
>
> I use this command to make mpg file:
> ffmpeg -i INPUTVIDEO -af "asetpts=PTS+0.010/TB" -c:v mpeg2video -b:v
> 10M -c:a mp2 -b:a 384k   -y OUT.mpg
>
> Then I use MediaInfo to get all properties of OUT.mpg. I found there
> is 540 ms "Delay" property for video and audio.
> Can anybody tell me what do these delay values mean? And how to set
> this "Delay" to 0?
>
> ---video---
> Delay            :540.000
> Delay/String            :540ms
> Delay/String1            :540ms
> Delay/String2            :540ms
> Delay/String3            :00:00:00.540
> Delay_DropFrame            :No
> Delay_Source            :Container
> Delay_Source/String            :Container
> Delay_Original            :0
> Delay_Original/String3            :00:00:00.000
> Delay_Original_Settings            :drop_frame_flag=0 / closed_gop=1 /
> broken_link=0
> Delay_Original_DropFrame            :No
> Delay_Original_Source            :Stream
> ---audio---
> Delay            :539.978
> Delay/String            :540ms
> Delay/String1            :540ms
> Delay/String2            :540ms
> Delay/String3            :00:00:00.540
> Delay_Source            :Container
> Delay_Source/String            :Container
> Video_Delay            :0
> Video_Delay/String3            :00:00:00.000
> Video0_Delay            :0
> Video0_Delay/String3            :00:00:00.000
> ----