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Today's Topics:
1. Re: Pixelation (Harlan Daneker)
----------------------------------------------------------------------
Message: 1
Date: Sun, 1 Jul 2018 06:22:37 -0400
From: Harlan Daneker <[email protected]>
To: Motion discussion list <[email protected]>
Subject: Re: [Motion-user] Pixelation
Message-ID:
<cac1wkis8ynzjcytqbhhhm2vibgcna2sjhxsf8dcwn05trbk...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Thank You. I have never used Mediainfo before.
On Sun, Jul 1, 2018 at 6:07 AM, tosiara <[email protected]> wrote:
> Yes
> First try ffmpeg_bps 12000000. No more pixelation? Try ffmpeg_bps 6000000.
> Still no pixels? Try ffmpeg_bps 3000000. Pixels are back? Etc
>
> On Sun, Jul 1, 2018 at 12:50 PM, Harlan Daneker <[email protected]>
> wrote:
>
>> At the risk of sounding stupid,
>>
>> I think you mean *ffmpeg_bps 1200000* to *ffmpeg_bps 12000000* to
>> test?
>>
>> If that helps how do I lower the bitrate till I get accepted quality?
>>
>> On Sun, Jul 1, 2018 at 5:34 AM, tosiara <[email protected]> wrote:
>>
>>> This looks like insufficient bitrate for MPEG-4 codec.
>>> Mediainfo shows you have 768x480@30fps with bitrate ~1300Kbps, which is
>>> ~0.1 Bits/(Pixel*Frame)
>>> Try increasing like 10x times to see if it makes difference (ex,
>>> 10Mbps). If that helps, you will have to lower bitrate till you get
>>> accepted quality
>>>
>>> For reference, my H264 recorded videos have Bits/(Pixel*Frame): 0.651
>>>
>>>
>>> On Sun, Jul 1, 2018 at 12:07 PM, Harlan Daneker <[email protected]>
>>> wrote:
>>>
>>>> I'm sending these directly because they will be delayed because the
>>>> moderator has yo check the email.
>>>>
>>>> These are examples of what I'm talking about. In 092611.avi the
>>>> pixelation starts just as motion is detected. If I view these cameras real
>>>> time I don't see this.
>>>>
>>>
>>>
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>>
>>
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>
>
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