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Today's Topics:
1. Re: Motion takes a 800kbps H264 MPEG4 feed and turns it into
over 22Mbps MJPEG Stream! (Colin Law)
----------------------------------------------------------------------
Message: 1
Date: Tue, 31 Mar 2020 10:22:33 +0100
From: Colin Law <clan...@gmail.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] Motion takes a 800kbps H264 MPEG4 feed and
turns it into over 22Mbps MJPEG Stream!
Message-ID:
<CAL=0glszjck7g405xsaaqnpqfh7b+q0rnqozp8oufmusccy...@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"
If you have an rtsp stream showing a mostly static picture then it is
very highly compressed (which is why it takes a lot of processor to
decode it). Mjpeg (I believe) is basically a stream of full images
with no compression so may be much bigger. I am surprised it is that
much however, but if that is what it is then that is what it is. Do
you need to use mjpeg as the output stream?
On Tue, 31 Mar 2020 at 01:57, Roger Lee <rogerlee...@gmail.com> wrote:
>
> I am feeding a simple RTSP h264 feed 15fps 1280x720, into Motion at 800kbps,
> but if I use http MJPEG streaming at 15fps with 800x480 (converted smaller
> resolution), it becomes a over 22Mbps video stream on the browser. Why would
> Motion convert something relatively small into so large when I am actually
> scaling down to 480p? its using 22x more bandwidth than the original RTSP
> video feed! Is there anyway to make it a lot leaner like less than 1Mbps?
> Please see below 2 photos for the codec info from the VLC player! I am
> trying to stream about 12 feeds with <800Kbps each to a tablet on the wall.
> My tablet gets so hot and slow when trying to receive over 270Mbps videos
> stream. It's really clogging my network.
>
> motionEyeOS Version
>
> I am running motion version:
>
> motionEye Version | 0.42
> Motion Version | 4.2.2
> OS Version | Raspbian 10
>
> Board Model
>
> I am using the following board/model:
>
> Raspberry Pi 4
>
> Camera
>
> I am using the following type of camera: (choose from V4L2, MMAL, Network
> Camera, Fast Network Camera and Simple MJPEG Camera).
>
> My camera model is: Hikvision Turret and Samsung Smartcam
>
> Network Connection
>
> My motion unit is connected to the network via: (choose your network
> connection, e.g. WiFi, Ethernet).
>
> Ethernet
>
> Any help would be appreciated!
>
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