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3075 Discussions

HEVC height adjustement in 1080

svutran
New Contributor I
‎08-25-2021 12:30 PM
1,479 Views

Hi,

 

I am currently working with the sample_encode application to encode 1920x1080 videos in HEVC. There is currently 8 extra lines that are being added at the bottom of the video during encoding in order to have a height of a multiple of 16.

 

In HEVC, there is supposed to be a way to also have a height of a multiple of 8. Is there a way to enable this and to not have extra lines added at the bottom of the frame?

 

Thanks

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AlekhyaV_Intel
Moderator
‎08-26-2021 05:51 AM
1,461 Views

Hi,


Thank you for posting in Intel Communities. We have tried the sample_encode demo with a couple of videos with different resolutions & observed that the resolution of a video is increased by few lines to make it a multiple of 16. We are working on this internally to check if it is possible to have a resolution which is a multiple of 8. We'll get back to you with an update.


Regards,

Alekhya


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Dmitry_E_Intel
Employee
‎09-01-2021 06:52 AM
1,423 Views

Hi @svutran ,

 

Please use PicWidthInLumaSamples and PicHeightInLumaSamples  to specify coded picture size.

 

Regards,

Dmitry

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AlekhyaV_Intel
Moderator
‎09-08-2021 11:22 PM
1,384 Views

Hi,


Has the solution provided helped? Could you please give us an update regarding this issue?


Regards,

Alekhya


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svutran
New Contributor I
‎09-10-2021 07:42 AM
1,353 Views

We used instead -lowpower:on option on the sample_encode and no extra lines were added. It works.

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AlekhyaV_Intel
Moderator
‎09-12-2021 10:27 PM
1,321 Views

Hi,


Glad to know that your issue is resolved. Thanks for sharing the solution with us. If you need any additional information, please post a new question as this thread will no longer be monitored by Intel.


Regards,

Alekhya



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