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Tyler Smith
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Frame Accurate Seeking

Tue Aug 08, 2017 11:34 am

Anyone know of a trick to enable Frame Accurate Seeking?
I cannot find any documentation that indicates Roku support but just checking to see if maybe (just maybe) it can be done.
Tyler Smith
Senior Developer, REDspace
redspace.com
 
destruk
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Joined: Sat Dec 18, 2010 4:58 pm

Re: Frame Accurate Seeking

Tue Aug 08, 2017 6:14 pm

Seeking by number of seconds is supported.  As long as the frame you're going to is on a second boundary then that should be sufficient.  If you need to jump to any other frame of video then I think you would need the NDK and write a replacement video player.
 
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Tyler Smith
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Posts: 109
Joined: Thu Apr 14, 2016 10:51 am
Location: Nova Scotia, Canada
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Re: Frame Accurate Seeking

Wed Aug 09, 2017 5:10 am

When we seek to a specific time in the video (seconds) the player always jumps a few seconds before and begins playback.
Tyler Smith
Senior Developer, REDspace
redspace.com
 
destruk
Posts: 2530
Joined: Sat Dec 18, 2010 4:58 pm

Re: Frame Accurate Seeking

Wed Aug 09, 2017 7:00 am

Is the framerate metadata set?  Does the issue appear if you are using HLS/ISM/Dash, or just MP4?
 
tim_beynart
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Re: Frame Accurate Seeking

Wed Aug 09, 2017 10:09 am

If you are using HLS then you will always start at a segment boundary AFAIK. 
 
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Tyler Smith
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Location: Nova Scotia, Canada
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Re: Frame Accurate Seeking

Wed Aug 09, 2017 2:56 pm

We are using HLS
Tyler Smith
Senior Developer, REDspace
redspace.com
 
tim_beynart
Posts: 193
Joined: Wed Jul 15, 2015 8:30 am

Re: Frame Accurate Seeking

Thu Aug 10, 2017 10:42 am

I am pretty sure HLS seeking will always start on a segment. It might be able to seek to an iframe within a segment, but I doubt it.  Maybe one of the Roku engineers can chime in here.

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