I am having problems playing a smooth stream with the Antrica ANT-32000 encoder, when I record the ISM I get no data in the audio and if I remove it. I am acquiring the stream using RTSP. Is it a known problem that the video isn't able to play if there is a bad audio stream?
This is the manifest I get:
<?xml version="1.0" encoding="UTF-8" ?>
- <SmoothStreamingMedia MajorVersion="2" MinorVersion="1" Duration="560592442">
- <StreamIndex Type="video" Url="QualityLevels({bitrate})/Fragments(video={start time})" Name="video" Chunks="8" QualityLevels="1">
<QualityLevel Index="0" Bitrate="500000" MaxWidth="720" MaxHeight="480" FourCC="AVC1" CodecPrivateData="000000016742a01fe7281687b60220000177600057e41c00000301ab3f00000d59f87fffc600000300d59f800006acfc3fffe0400000000168de3c80" />
- <c d="20019673">
<f i="0" s="432020" />
</c>
</StreamIndex>
- <StreamIndex Type="audio" Name="audio" Url="QualityLevels({bitrate})/Fragments(audio={start time})" Language="enn" QualityLevels="1">
<QualityLevel Index="0" AudioTag="255" BitsPerSample="16" PacketSize="2" CodecPrivateData="" />
</StreamIndex>
</SmoothStreamingMedia>
Thank you.
Make sure you set AUDIO to 1 in the Antrica settings page. Also, in your url make sure you link to it using: camera_ip:554/video1+audio1.
Related
I have just recently started using .Net MAUI. But now I'm wondering how to use a piece of code, e.g. a self-made navigation bar on all my pages, because it doesn't make sense to write the same code on all 10 pages. I like to know if there is a way to create a component that can be reused like in React or Angular?
PS: This question is not specific to a navigation bar but to the general reuse of code in .NET MAUI.
I have so far watched various videos & articles on this topic, however, it is more about custom controls and did not help me. Most articles corresponded to what was conveyed in this video. I also came across this article, but it didn't help me either.
Thanks for your help :)
First, you can create a new .xaml file named Name.xaml. You can write some codes in it.
<?xml version="1.0" encoding="utf-8" ?>
<ContentView xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="CusComponents.Name">
<ContentView.Content>
<StackLayout Padding="10">
<Label Text="Name" FontAttributes="Bold" />
<Label Text="First name" />
<Entry x:Name="FirstName" Placeholder="First name" />
<Label Text="Last name" />
<Entry x:Name="LastName" Placeholder="Last name" />
</StackLayout>
</ContentView.Content>
</ContentView>
Second, you can use it in the page you want like this. You need to add an xmlns reference to the top of the XML file– this is like a using statement in a C# file. Using the namespace structure for the sample project, this will be xmlns:custom_components="clr-namespace:CusComponents".
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:custom_components="clr-namespace:CusComponents"
x:Class="CusComponents.MainPage">
<custom_components:Name />
</ContentPage>
Here is the view of the code:
I have seen examples where it is possible to display a bitmap as a vertical profile in Google Earth. Like this:
However, I have not been able to find any kml/kmz examples of this. Does anyone have a simple example of how to do this?
Does it include using the dae (collada) file format too?
One method to do this would be to use a KML "Photo Overlay". They are designed to place landscape photographs vertically in the world, so that they can be viewed with the Earth terrain & imagery as matching background. You could use that technique to place images like these on vertical planes. There is a basic tool in Earth Pro to create Photo Overlays (Add menu >> Photo). Or you can create them manually or programmatically by writing the appropriate KML (reference links below), though it can get pretty complex with all the placement and field of view parameters. Also note that Photo Overlays work in Earth Pro (Earth v7.x), but do not currently work in Earth for web & mobile (Earth v9.x).
You could also do this using 3D models (yes, collada based) where you have a model representing your vertical plane(s), and the images as textures on the models. 3D models also only work in Earth Pro at this time. Which technique is easier will depend on the tools and skills you have available.
https://developers.google.com/kml/documentation/photos
https://developers.google.com/kml/documentation/kmlreference#photooverlay
My PhotoOverlay example is just here.
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2">
<Document id="7">
<visibility>0</visibility>
<PhotoOverlay id="8">
<name>PhotoOverlay Test</name>
<visibility>0</visibility>
<Camera>
<longitude>-122.3599987260313</longitude>
<latitude>47.62949781133496</latitude>
<altitude>100</altitude>
<heading>-90</heading>
<tilt>90</tilt>
<roll>0</roll>
</Camera>
<Icon id="10">
<href>foo.png</href>
</Icon>
<ViewVolume>
<leftFov>-45</leftFov>
<rightFov>45</rightFov>
<bottomFov>-45</bottomFov>
<topFov>45</topFov>
<near>20000</near>
</ViewVolume>
</PhotoOverlay>
</Document>
</kml>
My kml example using collada is here.
You have to prepare your_prepared_square.dae and your_prepared.png in same folder. The square size is 1m x 1m. This model is scaling base.
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2">
<Document id="1">
<Placemark id="2">
<name>My billboard</name>
<Model id="3">
<altitudeMode>absolute</altitudeMode>
<Location>
<longitude>140.037</longitude>
<latitude>36.84895</latitude>
<altitude>500</altitude>
</Location>
<Orientation>
<heading>90</heading>
<tilt>0</tilt>
<roll>0</roll>
</Orientation>
<Scale>
<x>1</x>
<y>10000</y>
<z>3500</z>
</Scale>
<Link id="4">
<href>your_prepared_square.dae</href>
</Link>
<ResourceMap>
<Alias>
<targetHref>your_prepared.png</targetHref>
<sourceHref>mapping.png</sourceHref>
</Alias>
</ResourceMap>
</Model>
</Placemark>
</Document>
</kml>
And mapping.png is texture filename in the collada model. This has
to be defined in the model. following fragment is a part of your_prepared_square.dae. But you don't need to prepare mapping.png. KML replaces it to your_prepared.png.
:
:
<library_images>
<image id="texture" name="texture">
<init_from>mapping.png</init_from>
</image>
</library_images>
:
:
folllowing image is applied this method.
I would like to update graphic symbolize in geoserver style from svg to png, gif or jpg. However, the symbol doesn't display when I view in openlayer. Svg symbol works fine.
Here is my code:
<?xml version="1.0" encoding="UTF-8"?>
<StyledLayerDescriptor xmlns="http://www.opengis.net/sld" xmlns:ogc="http://www.opengis.net/ogc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.opengis.net/sld http://schemas.opengis.net/sld/1.1.0/StyledLayerDescriptor.xsd" xmlns:se="http://www.opengis.net/se">
<NamedLayer>
<se:Name>map_seed_source_site </se:Name>
<UserStyle>
<se:Name>map_seed_source_site </se:Name>
<se:FeatureTypeStyle>
<se:Rule>
<se:Name>Single symbol </se:Name>
<se:PointSymbolizer>
<se:Graphic>
<se:ExternalGraphic>
<se:OnlineResource xlink:type="simple" xlink:href="http://www.opendevelopmentcambodia.net/wp-content/themes/opendata/images/seed-sources-legend.gif" />
<se:Format>image/gif</se:Format>
</se:ExternalGraphic>
<se:Size>100 </se:Size>
</se:Graphic>
</se:PointSymbolizer>
</se:Rule>
</se:FeatureTypeStyle>
</UserStyle>
</NamedLayer>
</StyledLayerDescriptor>
When you tried, have you also changed this line?
from
<se:Format>image/gif</se:Format>
to
<se:Format>image/png</se:Format>
I'm also not sure if you can use <size> tag with non-vector graphic files. So try to change the gif to PNG and also to remove the size. The SLD will use the original size of the PNG. I'm not 100% sure it helps but it is worth a try...
This is driving me crazy. When I try to view the video embedded into the page, I get the following error in firefox "Video format or MIME type is not supported".
I am on IIS, and I do have the correct MIME type for MP4. Is there anything else I could check?
The issue ended up coming from our CMS.
The MP4 file was being loaded though a script, and that script's name contained "-", which the CMS decided to replace with ".". Simply opening up Firebug's Net tab allowed me to fix the error in a matter of minutes.
Firefox does not support H264 anyway, so that MP4 file had to be loaded through Flash.
I had problems with Firefox because I only had an mp4 file, but this javascript seems to work ok.
The new video tag is used and the object code is provided as a fallback. When Firefox can't find the non existent ogv file it throws an error, which runs the javascript to remove the video tag and just leave the fall back object code, which runs fine in Firefox. (I'm using JQuery, but the same could presumably be achieved with plain javascript.)
<script type="text/javascript">
function kill_video_tag() {
// Remove source tags
$('#vidid').children('source').remove();
// Grab everything else inside
var ob = $('#vidid').html();
// Add the fallback code before the video tag
// and then remove the video tag
$('#vidid').before(ob).remove();
}
</script>
<video id="vidid" width="320" height="256" controls>
<source src="http://www.mysite.com/nice_video.mp4" type="video/mp4" />
<source src="http://www.mysite.com/this_does_not_exist.ogv" type="video/ogg" onerror="kill_video_tag();" />
<OBJECT CLASSID="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" CODEBASE="http://www.apple.com/qtactivex/qtplugin.cab" WIDTH="320" HEIGHT="256" >
<PARAM NAME="src" VALUE="http://www.mysite.com/nice_video.mp4" >
<PARAM NAME="autoplay" VALUE="false" >
<EMBED SRC="http://www.mysite.com/nice_video.mp4" TYPE="image/x-macpaint" PLUGINSPAGE="http://www.apple.com/quicktime/download" WIDTH="320" HEIGHT="256" AUTOPLAY="false"></EMBED>
</OBJECT>
</video>
I'm currently working on a custom joomla component but I fail to get the component wide parameters to work.
The joomla docs say that if you add
to your 'myComponent.xml' file, the parameter should appear in the _components table. I do see my component but there are no params there.
Is there anything I should know? Or anything I might do wrong?
here is test.xml { myComponent.xml }:
<?xml version="1.0" encoding="UTF-8"?>
<install type="component" version="1.5.0">
<name>test</name>
<creationDate>2010-08-05</creationDate>
<author>test</author>
<version>1.0.0</version>
<description>test</description>
<administration>
<menu>Ctest</menu>
<files folder="admin">
<filename>controller.php</filename>
<filename>test.php</filename>
<filename>index.html</filename>
<filename>models/test.php</filename>
<filename>models/index.html</filename>
<filename>views/index.html</filename>
<filename>views/test/index.html</filename>
<filename>views/test/view.html.php</filename>
<filename>views/test/tmpl/default.php</filename>
<filename>views/test/tmpl/index.html</filename>
</files>
</administration>
<params>
<param name="test" type="text" default="" label="test" description="test" />
</params>
</install>
Make sure you're configuring the params correctly in both places config is needed.
In COMPONENTNAME.xml, you need the block you've got above (although I think only 'name' and 'default' are used here).
Also, in admin/config.xml, you'll need something like:
<root>
<params>
<param type="text" name="test" size="30" label="test" description="test" />
</params>
</root>
You'll then need to make sure there's a way to get to these config options, with this in your 'toolbar.COMPONENTNAME.html.php':
JToolBarHelper::preferences('com_magentocatalogue');
Then, a 'config' button should appear in the toolbar for your component. Only once you save some changes will these parameters appear in the #__components.params field.