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楼主 # 2022-08-16 11:20:44

titishev
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注册时间: 2022-04-13
已发帖子: 19
积分: 9

H264 encoder

Hi!

When Cedrus encodes video with size 160x128, the artefacts "pink" are presents in top left corner.  Why?   Chip V3s.

How to correct it?

If I choose frame size 176x144 - h264 encoder will produse normal video without this artefact/glitch.

你好!

當 Cedrus 對尺寸為 160x128 的視頻進行編碼時,“粉紅色”偽影出現在左上角。 為什麼? 芯片 V3。

如何糾正它?

如果我選擇幀大小 176x144 - h264 編碼器將產生沒有這種偽影/故障的正常視頻。

Pink

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#1 2022-08-16 12:03:42

unturned3
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注册时间: 2020-07-01
已发帖子: 271
积分: 300

Re: H264 encoder

Which "Cedrus" are you using? There's a ton of forks / versions out there afaik.

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楼主 #2 2022-08-16 12:35:20

titishev
会员
注册时间: 2022-04-13
已发帖子: 19
积分: 9

Re: H264 encoder

unturned3 说:

Which "Cedrus" are you using? There's a ton of forks / versions out there afaik.

I use this source code:  https://github.com/jemk/cedrus/tree/master/h264enc

Also I used some variations of this code (ubobrov/mzakharov) and others. Result is same.

320x240 working OK
640x480  working OK
176x144 - OK

but:

480x320 - some atifacts
400x296 - artifacts
160x120 - artifacts
160x128 - artifacts

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