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Trending Discussions on Video Player

How to generate video preview thumbnails using nodejs and ffmpeg?

Properly querying MediaStore records on Android 11

Javascript problem with finding html elements from source code of another website

Positioning of the youtube video

PyQt5: How to detect if QSlider is dragged to the end

Typo3 CKeditor <iframe> YouTube video issue

How do i open srt file on flutter?

Make total video duration instantly known in video player (ffmpeg / html)

use vlcj-javafx-demo develop a player, but it looks some components UI not update correctly when set full screen

Replacing YouTube HTML links with embed code

How to generate video preview thumbnails using nodejs and ffmpeg?

Properly querying MediaStore records on Android 11

Javascript problem with finding html elements from source code of another website

Positioning of the youtube video

PyQt5: How to detect if QSlider is dragged to the end

Typo3 CKeditor <iframe> YouTube video issue

How do i open srt file on flutter?

Make total video duration instantly known in video player (ffmpeg / html)

use vlcj-javafx-demo develop a player, but it looks some components UI not update correctly when set full screen

Replacing YouTube HTML links with embed code

QUESTION

How to generate video preview thumbnails using nodejs and ffmpeg?

Asked 2022-Mar-27 at 18:50

I am creating a custom video player, I would like to add a video preview when the user hovers a progress bar.

I am able to generate thumbnails using FFmpeg as follows.

1ffmpeg -i input -filter_complex \
2    &quot;select='not(mod(n,60))',scale=240:-1,tile=layout=4x8&quot; \
3    -vframes 1 -q:v 2 outputfile.jpg
4

PROBLEM

To use the above-created sprite image(combined thumbnails), I need to generate a WEBVTT which contains thumbnails and frames time interval like this below.

1ffmpeg -i input -filter_complex \
2    &quot;select='not(mod(n,60))',scale=240:-1,tile=layout=4x8&quot; \
3    -vframes 1 -q:v 2 outputfile.jpg
4WEBVTT
5
600:00:00.000 --&gt; 00:00:03.000
7thumbnails.jpg#xywh=0,0,120,68
8
900:00:03.000 --&gt; 00:00:06.000
10thumbnails.jpg#xywh=120,0,120,68
11
1200:00:06.000 --&gt; 00:00:09.000
13thumbnails.jpg#xywh=240,0,120,68
14

I am not able to find any FFmpeg command or tutorial on how to create such WEBVTT file using node-js and FFmpeg.

Maybe someone here knows the solution to this problem? any help will be appreciated.

ANSWER

Answered 2022-Mar-27 at 18:50

You will have to make your own tool for creating the WEBVTT file. And it's a simple process, you just need to get the information you need and fill it in the following format:

1ffmpeg -i input -filter_complex \
2    &quot;select='not(mod(n,60))',scale=240:-1,tile=layout=4x8&quot; \
3    -vframes 1 -q:v 2 outputfile.jpg
4WEBVTT
5
600:00:00.000 --&gt; 00:00:03.000
7thumbnails.jpg#xywh=0,0,120,68
8
900:00:03.000 --&gt; 00:00:06.000
10thumbnails.jpg#xywh=120,0,120,68
11
1200:00:06.000 --&gt; 00:00:09.000
13thumbnails.jpg#xywh=240,0,120,68
1400:00:00.000 --&gt; 00:00:03.000
15thumbnails.jpg#xywh=0,0,120,68
16

and then save the file.

Example:

Let's say you have a video that's 60 seconds long. You use ffmpeg to generate 10 thumbnails.

You write a short program (in this case Node.js) that loops based on the number of thumbnails following the above format a manner similar to this:

1ffmpeg -i input -filter_complex \
2    &quot;select='not(mod(n,60))',scale=240:-1,tile=layout=4x8&quot; \
3    -vframes 1 -q:v 2 outputfile.jpg
4WEBVTT
5
600:00:00.000 --&gt; 00:00:03.000
7thumbnails.jpg#xywh=0,0,120,68
8
900:00:03.000 --&gt; 00:00:06.000
10thumbnails.jpg#xywh=120,0,120,68
11
1200:00:06.000 --&gt; 00:00:09.000
13thumbnails.jpg#xywh=240,0,120,68
1400:00:00.000 --&gt; 00:00:03.000
15thumbnails.jpg#xywh=0,0,120,68
16const fs = require('fs')
17const moment = require('moment')
18
19let video_length = 60
20let number_of_thumbnails = 10
21let thumb_interval = video_length/number_of_thumbnails // so 6 seconds per thumbnail
22
23let sprite_width = 600 // Values are assumed based each thumbnail having
24let sprite_height = 340 //a width of 120 and a height of 68 with a total of 10
25
26let start_time = moment('00:00:00', &quot;HH:mm:ss.SSS&quot;)
27let end_time = moment('00:00:00', &quot;HH:mm:ss.SSS&quot;).add(thumb_interval , 'seconds')
28
29let thumb_output = &quot;WEBVTT\n\n&quot;
30
31for(let i=0;i&lt;=(sprite_height /68);i++){
32  for(let j=0;j&lt;=(sprite_width/120);j++){
33
34    thumb_output +=start_time.format(&quot;HH:mm:ss.SSS&quot;) +&quot; --&gt; &quot;+ end_time.format(&quot;HH:mm:ss.SSS&quot;)+&quot;\n&quot;
35
36    thumb_output += &quot;thumbnails.jpg#xywh=&quot;+(j*120)+&quot;,&quot;+(i*68)+&quot;,120,68\n\n&quot;
37
38    start_time.add(thumb_interval , 'seconds')
39    end_time.add(thumb_interval , 'seconds')
40  }
41}
42
43fs.writeFileSync('thumbnails.vtt', thumb_output)
44

The library Moment.js was used for simplifying the time incrementation & format

Source https://stackoverflow.com/questions/69846515

QUESTION

Properly querying MediaStore records on Android 11

Asked 2022-Mar-20 at 12:56

I am working on providing Android 11 support on my audio/video player app. My main concern is actually with not provoking the Google tribe with their no All files access permission allowed for player apps. I do not want my app to be rejected on publishing on the Google store.

In previous APIs, I am using WRITE_EXTERNAL_STORAGE permission including Android 10 (where I opt out off Scoped Storage). Though, I do not know how to handle Android 11 without having my app rejected on publishing on Google store. I have learned that READ_EXTERNAL_STORAGE permission is needed for querying MediaStore records and I have the following questions:

Will asking for READ_EXTERNAL_STORAGE on runtime on Android 11 be acceptable with Google (when I publish my app on their store)?
Can I ask for WRITE_EXTERNAL_STORAGE permission on runtime instead of READ_EXTERNAL_STORAGE for all APIs and the system on Android 11 devices would substitute that for READ_EXTERNAL_STORAGE or will I need to add conditions where I ask for READ_EXTERNAL_STORAGE on Android 11 devices.
Will asking for WRITE_EXTERNAL_STORAGE on runtime on Android 11 be acceptable with Google (when I publish my app on their store)?

ANSWER

Answered 2022-Mar-20 at 12:48

you may use all these permissions without any ban from Google. you can't/shouldn't use MANAGE_EXTERNAL_STORAGE, new perm dedicated for Scoped Storage and file managing apps, antivirs and other "privileged" soft

Source https://stackoverflow.com/questions/71546802

QUESTION

Javascript problem with finding html elements from source code of another website

Asked 2022-Mar-18 at 12:43

I am having trouble finding individual html elements from the downloaded source code of a selected page. When I use the function $(data).find('p').length it returns me the number 2 which is the correct answer, but if I use the function $(data).find('img').length it returns me 0 and it should be 1.

1async function getErrors() {
2    await $.ajax({
3            url: 'http://example.com',
4            method: 'get'
5        })
6        .done(async (siteText) =&gt; {
7            var data = $.parseHTML(siteText);
8            console.log(data);
9            console.log($(data).find('p').length);
10            console.log($(data).find('img').length);
11             await axios.get('http://anothersite.com')
12            .then((response) =&gt; {
13                //do something...
14            });
15        });
16}
17

Live example:

1async function getErrors() {
2    await $.ajax({
3            url: 'http://example.com',
4            method: 'get'
5        })
6        .done(async (siteText) =&gt; {
7            var data = $.parseHTML(siteText);
8            console.log(data);
9            console.log($(data).find('p').length);
10            console.log($(data).find('img').length);
11             await axios.get('http://anothersite.com')
12            .then((response) =&gt; {
13                //do something...
14            });
15        });
16}
17var siteText = `&lt;!DOCTYPE html&gt;
18&lt;html lang="pl"&gt;
19&lt;head&gt;
20    &lt;meta charset="UTF-8"&gt;
21    &lt;meta http-equiv="X-UA-Compatible" content="IE=edge"&gt;
22    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
23    &lt;title&gt;Test Site&lt;/title&gt;
24    &lt;style&gt;
25        .black{
26            background-color: black;
27            color: #333131;
28        }
29    &lt;/style&gt;
30&lt;/head&gt;
31&lt;body&gt;
32    &lt;h1&gt;Strona Testowa&lt;/h1&gt;
33    &lt;div&gt;
34        &lt;h2&gt;Lorem Ipsum&lt;/h2&gt;
35        &lt;p&gt;Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Convallis aenean et tortor at risus. Pellentesque habitant morbi tristique senectus. Nisi est sit amet facilisis. Vel elit scelerisque mauris pellentesque pulvinar. Quisque egestas diam in arcu. Elit at imperdiet dui accumsan sit amet nulla. Urna porttitor rhoncus dolor purus non enim praesent elementum. Velit dignissim sodales ut eu sem integer vitae justo eget. Lacus suspendisse faucibus interdum posuere lorem. Et ultrices neque ornare aenean euismod. Porttitor eget dolor morbi non. Sit amet consectetur adipiscing elit. Amet nisl suscipit adipiscing bibendum est. Eu non diam phasellus vestibulum. Neque convallis a cras semper auctor. Risus at ultrices mi tempus imperdiet nulla malesuada pellentesque elit. Et molestie ac feugiat sed lectus vestibulum. Adipiscing diam donec adipiscing tristique risus nec. Imperdiet proin fermentum leo vel. Nibh mauris cursus mattis molestie a iaculis at erat pellentesque. Elementum integer enim neque volutpat ac tincidunt vitae semper. Nam libero justo laoreet sit. Nibh tortor id aliquet lectus proin nibh nisl condimentum id. Et sollicitudin ac orci phasellus egestas tellus. Nunc sed augue lacus viverra vitae congue eu. Dui vivamus arcu felis bibendum ut. Mattis nunc sed blandit libero volutpat sed. Commodo sed egestas egestas fringilla phasellus faucibus scelerisque eleifend. Velit aliquet sagittis id consectetur purus ut faucibus pulvinar elementum. Quam vulputate dignissim suspendisse in est ante in nibh. Accumsan sit amet nulla facilisi morbi. Ac ut consequat semper viverra. Viverra tellus in hac habitasse platea dictumst. Donec ultrices tincidunt arcu non sodales neque. In est ante in nibh mauris. Mattis enim ut tellus elementum sagittis. Consectetur adipiscing elit pellentesque habitant morbi tristique senectus et netus. Sed id semper risus in. Vestibulum lectus mauris ultrices eros in cursus turpis massa. Vitae tempus quam pellentesque nec nam aliquam sem et tortor. In arcu cursus euismod quis viverra nibh cras. Sit amet consectetur adipiscing elit duis tristique. Augue ut lectus arcu bibendum at varius vel pharetra vel. Pharetra magna ac placerat vestibulum lectus mauris ultrices eros in. Libero nunc consequat interdum varius sit amet mattis vulputate. Netus et malesuada fames ac. In pellentesque massa placerat duis ultricies lacus sed turpis tincidunt. Tellus in hac habitasse platea dictumst vestibulum rhoncus est pellentesque. Duis convallis convallis tellus id interdum velit laoreet. Et tortor consequat id porta nibh venenatis cras. Laoreet sit amet cursus sit amet dictum sit amet justo.&lt;/p&gt;
36    &lt;/div&gt;
37    &lt;img src="https://png.pngtree.com/png-clipart/20190108/ourmid/pngtree-tree-green-plant-photography-png-png-image_305004.jpg" &gt;
38    &lt;iframe width="560" height="315" src="https://www.youtube.com/embed/gK8s4LUJ7NE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen&gt;&lt;/iframe&gt;
39    &lt;div class="black"&gt;
40        &lt;p class="black"&gt;Lorem Ipsum&lt;/p&gt;
41    &lt;/div&gt;
42&lt;/body&gt;
43&lt;/html&gt;`;
44
45var data = $.parseHTML(siteText);
46console.log(data);
47console.log($(data).find('p').length);
48console.log($(data).find('img').length);

1async function getErrors() {
2    await $.ajax({
3            url: 'http://example.com',
4            method: 'get'
5        })
6        .done(async (siteText) =&gt; {
7            var data = $.parseHTML(siteText);
8            console.log(data);
9            console.log($(data).find('p').length);
10            console.log($(data).find('img').length);
11             await axios.get('http://anothersite.com')
12            .then((response) =&gt; {
13                //do something...
14            });
15        });
16}
17var siteText = `&lt;!DOCTYPE html&gt;
18&lt;html lang="pl"&gt;
19&lt;head&gt;
20    &lt;meta charset="UTF-8"&gt;
21    &lt;meta http-equiv="X-UA-Compatible" content="IE=edge"&gt;
22    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
23    &lt;title&gt;Test Site&lt;/title&gt;
24    &lt;style&gt;
25        .black{
26            background-color: black;
27            color: #333131;
28        }
29    &lt;/style&gt;
30&lt;/head&gt;
31&lt;body&gt;
32    &lt;h1&gt;Strona Testowa&lt;/h1&gt;
33    &lt;div&gt;
34        &lt;h2&gt;Lorem Ipsum&lt;/h2&gt;
35        &lt;p&gt;Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Convallis aenean et tortor at risus. Pellentesque habitant morbi tristique senectus. Nisi est sit amet facilisis. Vel elit scelerisque mauris pellentesque pulvinar. Quisque egestas diam in arcu. Elit at imperdiet dui accumsan sit amet nulla. Urna porttitor rhoncus dolor purus non enim praesent elementum. Velit dignissim sodales ut eu sem integer vitae justo eget. Lacus suspendisse faucibus interdum posuere lorem. Et ultrices neque ornare aenean euismod. Porttitor eget dolor morbi non. Sit amet consectetur adipiscing elit. Amet nisl suscipit adipiscing bibendum est. Eu non diam phasellus vestibulum. Neque convallis a cras semper auctor. Risus at ultrices mi tempus imperdiet nulla malesuada pellentesque elit. Et molestie ac feugiat sed lectus vestibulum. Adipiscing diam donec adipiscing tristique risus nec. Imperdiet proin fermentum leo vel. Nibh mauris cursus mattis molestie a iaculis at erat pellentesque. Elementum integer enim neque volutpat ac tincidunt vitae semper. Nam libero justo laoreet sit. Nibh tortor id aliquet lectus proin nibh nisl condimentum id. Et sollicitudin ac orci phasellus egestas tellus. Nunc sed augue lacus viverra vitae congue eu. Dui vivamus arcu felis bibendum ut. Mattis nunc sed blandit libero volutpat sed. Commodo sed egestas egestas fringilla phasellus faucibus scelerisque eleifend. Velit aliquet sagittis id consectetur purus ut faucibus pulvinar elementum. Quam vulputate dignissim suspendisse in est ante in nibh. Accumsan sit amet nulla facilisi morbi. Ac ut consequat semper viverra. Viverra tellus in hac habitasse platea dictumst. Donec ultrices tincidunt arcu non sodales neque. In est ante in nibh mauris. Mattis enim ut tellus elementum sagittis. Consectetur adipiscing elit pellentesque habitant morbi tristique senectus et netus. Sed id semper risus in. Vestibulum lectus mauris ultrices eros in cursus turpis massa. Vitae tempus quam pellentesque nec nam aliquam sem et tortor. In arcu cursus euismod quis viverra nibh cras. Sit amet consectetur adipiscing elit duis tristique. Augue ut lectus arcu bibendum at varius vel pharetra vel. Pharetra magna ac placerat vestibulum lectus mauris ultrices eros in. Libero nunc consequat interdum varius sit amet mattis vulputate. Netus et malesuada fames ac. In pellentesque massa placerat duis ultricies lacus sed turpis tincidunt. Tellus in hac habitasse platea dictumst vestibulum rhoncus est pellentesque. Duis convallis convallis tellus id interdum velit laoreet. Et tortor consequat id porta nibh venenatis cras. Laoreet sit amet cursus sit amet dictum sit amet justo.&lt;/p&gt;
36    &lt;/div&gt;
37    &lt;img src="https://png.pngtree.com/png-clipart/20190108/ourmid/pngtree-tree-green-plant-photography-png-png-image_305004.jpg" &gt;
38    &lt;iframe width="560" height="315" src="https://www.youtube.com/embed/gK8s4LUJ7NE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen&gt;&lt;/iframe&gt;
39    &lt;div class="black"&gt;
40        &lt;p class="black"&gt;Lorem Ipsum&lt;/p&gt;
41    &lt;/div&gt;
42&lt;/body&gt;
43&lt;/html&gt;`;
44
45var data = $.parseHTML(siteText);
46console.log(data);
47console.log($(data).find('p').length);
48console.log($(data).find('img').length);&lt;script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"&gt;&lt;/script&gt;

ANSWER

Answered 2022-Mar-17 at 10:16

I tried with your code with another site and that's working fine. I modified your JS to temporary get rid of async/await:

1async function getErrors() {
2    await $.ajax({
3            url: 'http://example.com',
4            method: 'get'
5        })
6        .done(async (siteText) =&gt; {
7            var data = $.parseHTML(siteText);
8            console.log(data);
9            console.log($(data).find('p').length);
10            console.log($(data).find('img').length);
11             await axios.get('http://anothersite.com')
12            .then((response) =&gt; {
13                //do something...
14            });
15        });
16}
17var siteText = `&lt;!DOCTYPE html&gt;
18&lt;html lang="pl"&gt;
19&lt;head&gt;
20    &lt;meta charset="UTF-8"&gt;
21    &lt;meta http-equiv="X-UA-Compatible" content="IE=edge"&gt;
22    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
23    &lt;title&gt;Test Site&lt;/title&gt;
24    &lt;style&gt;
25        .black{
26            background-color: black;
27            color: #333131;
28        }
29    &lt;/style&gt;
30&lt;/head&gt;
31&lt;body&gt;
32    &lt;h1&gt;Strona Testowa&lt;/h1&gt;
33    &lt;div&gt;
34        &lt;h2&gt;Lorem Ipsum&lt;/h2&gt;
35        &lt;p&gt;Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Convallis aenean et tortor at risus. Pellentesque habitant morbi tristique senectus. Nisi est sit amet facilisis. Vel elit scelerisque mauris pellentesque pulvinar. Quisque egestas diam in arcu. Elit at imperdiet dui accumsan sit amet nulla. Urna porttitor rhoncus dolor purus non enim praesent elementum. Velit dignissim sodales ut eu sem integer vitae justo eget. Lacus suspendisse faucibus interdum posuere lorem. Et ultrices neque ornare aenean euismod. Porttitor eget dolor morbi non. Sit amet consectetur adipiscing elit. Amet nisl suscipit adipiscing bibendum est. Eu non diam phasellus vestibulum. Neque convallis a cras semper auctor. Risus at ultrices mi tempus imperdiet nulla malesuada pellentesque elit. Et molestie ac feugiat sed lectus vestibulum. Adipiscing diam donec adipiscing tristique risus nec. Imperdiet proin fermentum leo vel. Nibh mauris cursus mattis molestie a iaculis at erat pellentesque. Elementum integer enim neque volutpat ac tincidunt vitae semper. Nam libero justo laoreet sit. Nibh tortor id aliquet lectus proin nibh nisl condimentum id. Et sollicitudin ac orci phasellus egestas tellus. Nunc sed augue lacus viverra vitae congue eu. Dui vivamus arcu felis bibendum ut. Mattis nunc sed blandit libero volutpat sed. Commodo sed egestas egestas fringilla phasellus faucibus scelerisque eleifend. Velit aliquet sagittis id consectetur purus ut faucibus pulvinar elementum. Quam vulputate dignissim suspendisse in est ante in nibh. Accumsan sit amet nulla facilisi morbi. Ac ut consequat semper viverra. Viverra tellus in hac habitasse platea dictumst. Donec ultrices tincidunt arcu non sodales neque. In est ante in nibh mauris. Mattis enim ut tellus elementum sagittis. Consectetur adipiscing elit pellentesque habitant morbi tristique senectus et netus. Sed id semper risus in. Vestibulum lectus mauris ultrices eros in cursus turpis massa. Vitae tempus quam pellentesque nec nam aliquam sem et tortor. In arcu cursus euismod quis viverra nibh cras. Sit amet consectetur adipiscing elit duis tristique. Augue ut lectus arcu bibendum at varius vel pharetra vel. Pharetra magna ac placerat vestibulum lectus mauris ultrices eros in. Libero nunc consequat interdum varius sit amet mattis vulputate. Netus et malesuada fames ac. In pellentesque massa placerat duis ultricies lacus sed turpis tincidunt. Tellus in hac habitasse platea dictumst vestibulum rhoncus est pellentesque. Duis convallis convallis tellus id interdum velit laoreet. Et tortor consequat id porta nibh venenatis cras. Laoreet sit amet cursus sit amet dictum sit amet justo.&lt;/p&gt;
36    &lt;/div&gt;
37    &lt;img src="https://png.pngtree.com/png-clipart/20190108/ourmid/pngtree-tree-green-plant-photography-png-png-image_305004.jpg" &gt;
38    &lt;iframe width="560" height="315" src="https://www.youtube.com/embed/gK8s4LUJ7NE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen&gt;&lt;/iframe&gt;
39    &lt;div class="black"&gt;
40        &lt;p class="black"&gt;Lorem Ipsum&lt;/p&gt;
41    &lt;/div&gt;
42&lt;/body&gt;
43&lt;/html&gt;`;
44
45var data = $.parseHTML(siteText);
46console.log(data);
47console.log($(data).find('p').length);
48console.log($(data).find('img').length);&lt;script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"&gt;&lt;/script&gt;$.ajax({
49    url: 'http://jsfiddle.net/2AaFk/1',
50    method: 'get'
51})
52.done((siteText) =&gt; {
53    console.log(siteText);
54    var data = $.parseHTML(siteText);
55    //console.log(data);
56    console.log($(data).find('h3').length);
57});
58

Source https://stackoverflow.com/questions/71497805

QUESTION

Positioning of the youtube video

Asked 2022-Mar-15 at 13:23

So I wanted to place this youtube video like in this picture in the red rectangle but none of my ideas work, every time the video is in the weird place. Could someone help? (Adjust the size of the video window) [ adding random words because post need some more description because it's mostly code, hey how is your day going]

1body {
2    margin: 0;
3    height: 100vh;
4}
5
6.grid-container {
7    display: grid;
8    grid-template-columns: 1fr 1.4fr 1.3fr;
9    grid-template-rows: 0.4fr 4fr 3fr 0.6fr;
10    grid-template-areas:
11    "header main main"
12    "lmain main main"
13    "lmain below below"
14    "footer footer footer";
15    height: 100vh;
16}
17
18
19main {
20    grid-area: main;
21    background: #FFFADF;
22}   
23
24section.below {
25    grid-area: below;
26    background: #C4B35A;
27}
28
29
30section.footer {
31    grid-area: footer;
32    background: #615e5e;
33}
34
35header {
36    grid-area: header;
37    background: rgb(198, 250, 239);
38}
39.lmain {
40    grid-area: lmain;
41    background: rgb(233, 112, 112);
42    background-size: cover;
43}
44
45ul{
46    list-style-type: none;
47    margin: 0;
48    padding: 0;
49    overflow: hidden;
50    background-color: #486cad;
51}
52li{
53    float: left;
54}
55li a{
56    display: block;
57    color: white;
58    text-align: center;
59    padding: 16px 16px;
60    text-decoration: none;
61}
62li a:hover {
63    background-color: #95b8d1;
64}
65
66#main-text{
67    font-family:sans-serif;
68    font-weight: 550;
69    font-size: 17px;
70    text-align: center;
71}
72
73#quote{
74    font-family:sans-serif;
75    font-size: 18px;
76    text-align: center;
77}
78#author{
79    font-family:sans-serif;
80    margin-right: 10px;
81    font-size: 10px;
82    text-align: center;
83}
84.text-box hr{
85    width: 20%;
86    height: 1px;
87    background: -webkit-gradient(linear, 0 0, 100% 0, from(transparent), to(transparent), color-stop(50%, black));
88    border: none;
89}
90.box{
91    margin-left: 37px;
92    justify-content: center;
93    align-items: center;
94    position: relative;
95    width: 80%;
96    background-color: white;
97    border: 1px solid rgba(59, 58, 58, 0.46);
98    border-radius: 5px;
99    box-shadow: -2px 2px 7px gray;
100}
101main h1{
102    font-family: sans-serif;
103    padding-left: 40px;
104    padding-top: 40px;
105    font-weight: 700;
106}
107main h6{
108    font-family: sans-serif;
109    padding-left: 40px;
110    font-size: 13px;
111    line-height: 20px;
112    font-weight: 600;
113}

1body {
2    margin: 0;
3    height: 100vh;
4}
5
6.grid-container {
7    display: grid;
8    grid-template-columns: 1fr 1.4fr 1.3fr;
9    grid-template-rows: 0.4fr 4fr 3fr 0.6fr;
10    grid-template-areas:
11    "header main main"
12    "lmain main main"
13    "lmain below below"
14    "footer footer footer";
15    height: 100vh;
16}
17
18
19main {
20    grid-area: main;
21    background: #FFFADF;
22}   
23
24section.below {
25    grid-area: below;
26    background: #C4B35A;
27}
28
29
30section.footer {
31    grid-area: footer;
32    background: #615e5e;
33}
34
35header {
36    grid-area: header;
37    background: rgb(198, 250, 239);
38}
39.lmain {
40    grid-area: lmain;
41    background: rgb(233, 112, 112);
42    background-size: cover;
43}
44
45ul{
46    list-style-type: none;
47    margin: 0;
48    padding: 0;
49    overflow: hidden;
50    background-color: #486cad;
51}
52li{
53    float: left;
54}
55li a{
56    display: block;
57    color: white;
58    text-align: center;
59    padding: 16px 16px;
60    text-decoration: none;
61}
62li a:hover {
63    background-color: #95b8d1;
64}
65
66#main-text{
67    font-family:sans-serif;
68    font-weight: 550;
69    font-size: 17px;
70    text-align: center;
71}
72
73#quote{
74    font-family:sans-serif;
75    font-size: 18px;
76    text-align: center;
77}
78#author{
79    font-family:sans-serif;
80    margin-right: 10px;
81    font-size: 10px;
82    text-align: center;
83}
84.text-box hr{
85    width: 20%;
86    height: 1px;
87    background: -webkit-gradient(linear, 0 0, 100% 0, from(transparent), to(transparent), color-stop(50%, black));
88    border: none;
89}
90.box{
91    margin-left: 37px;
92    justify-content: center;
93    align-items: center;
94    position: relative;
95    width: 80%;
96    background-color: white;
97    border: 1px solid rgba(59, 58, 58, 0.46);
98    border-radius: 5px;
99    box-shadow: -2px 2px 7px gray;
100}
101main h1{
102    font-family: sans-serif;
103    padding-left: 40px;
104    padding-top: 40px;
105    font-weight: 700;
106}
107main h6{
108    font-family: sans-serif;
109    padding-left: 40px;
110    font-size: 13px;
111    line-height: 20px;
112    font-weight: 600;
113}&lt;!DOCTYPE html&gt;
114&lt;head&gt;
115    &lt;meta charset="UTF-8"&gt;
116    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
117    &lt;title&gt;the title idk&lt;/title&gt;
118    &lt;link rel="stylesheet" href="style.css"&gt;
119&lt;/head&gt;
120&lt;body&gt;
121    &lt;div class="grid-container"&gt;
122        &lt;header&gt;
123            
124        &lt;/header&gt;   
125        &lt;main&gt;
126            &lt;div id="description"&gt;
127                &lt;h1&gt;Man's&lt;br&gt;
128                    best&lt;br&gt;
129                    friend
130                &lt;/h1&gt;
131                &lt;h6&gt;Pies towarzyszy człowiekowi od tysięcy lat i trudno dziś wyobrazić sobie,&lt;br&gt; 
132                    by mogło być inaczej. Popularne stwierdzenie „pies najlepszym przyjacielem &lt;br&gt; 
133                    człowieka” nie jest tylko pustym sloganem – psy to naprawdę niezrównani &lt;br&gt; 
134                    przyjaciele, którzy nigdy nie zawodzą i zostają przy Tobie na zawsze. &lt;br&gt; 
135                    Jeśli masz psa, nie musimy Ci tego zresztą tłumaczyć – to się po prostu &lt;br&gt; 
136                    czuje. Jeśli zaś dopiero zastanawiasz się nad przygarnięciem pod swój &lt;br&gt; 
137                    dach czworonożnego kumpla, nie wahaj się. Na filmie przedstawiliśmy &lt;br&gt; 
138                    kilka powodów, dlaczego pies jest najlepszym przyjacielem człowieka! 
139                &lt;/h6&gt;
140                &lt;/div&gt;
141            &lt;div class="commercial"&gt;
142            &lt;iframe width="411" height="161" src="https://www.youtube.com/embed/3LzNQY3aT4c" title="YouTube video player"
143             frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
144              allowfullscreen&gt;&lt;/iframe&gt;
145            &lt;/div&gt;
146        &lt;/main&gt;
147        &lt;section class="below"&gt;
148            
149        &lt;/section&gt;
150        
151        &lt;section class="footer"&gt;
152            footer
153        &lt;/section&gt;
154        &lt;div class="lmain"&gt;
155            
156        &lt;/div&gt;
157       
158        
159
160    &lt;/div&gt;
161
162&lt;/body&gt;
163&lt;/html&gt;

ANSWER

Answered 2022-Mar-15 at 13:13

Add a float and a width to your description and commercial div.

Example that works in your code:

1body {
2    margin: 0;
3    height: 100vh;
4}
5
6.grid-container {
7    display: grid;
8    grid-template-columns: 1fr 1.4fr 1.3fr;
9    grid-template-rows: 0.4fr 4fr 3fr 0.6fr;
10    grid-template-areas:
11    "header main main"
12    "lmain main main"
13    "lmain below below"
14    "footer footer footer";
15    height: 100vh;
16}
17
18
19main {
20    grid-area: main;
21    background: #FFFADF;
22}   
23
24section.below {
25    grid-area: below;
26    background: #C4B35A;
27}
28
29
30section.footer {
31    grid-area: footer;
32    background: #615e5e;
33}
34
35header {
36    grid-area: header;
37    background: rgb(198, 250, 239);
38}
39.lmain {
40    grid-area: lmain;
41    background: rgb(233, 112, 112);
42    background-size: cover;
43}
44
45ul{
46    list-style-type: none;
47    margin: 0;
48    padding: 0;
49    overflow: hidden;
50    background-color: #486cad;
51}
52li{
53    float: left;
54}
55li a{
56    display: block;
57    color: white;
58    text-align: center;
59    padding: 16px 16px;
60    text-decoration: none;
61}
62li a:hover {
63    background-color: #95b8d1;
64}
65
66#main-text{
67    font-family:sans-serif;
68    font-weight: 550;
69    font-size: 17px;
70    text-align: center;
71}
72
73#quote{
74    font-family:sans-serif;
75    font-size: 18px;
76    text-align: center;
77}
78#author{
79    font-family:sans-serif;
80    margin-right: 10px;
81    font-size: 10px;
82    text-align: center;
83}
84.text-box hr{
85    width: 20%;
86    height: 1px;
87    background: -webkit-gradient(linear, 0 0, 100% 0, from(transparent), to(transparent), color-stop(50%, black));
88    border: none;
89}
90.box{
91    margin-left: 37px;
92    justify-content: center;
93    align-items: center;
94    position: relative;
95    width: 80%;
96    background-color: white;
97    border: 1px solid rgba(59, 58, 58, 0.46);
98    border-radius: 5px;
99    box-shadow: -2px 2px 7px gray;
100}
101main h1{
102    font-family: sans-serif;
103    padding-left: 40px;
104    padding-top: 40px;
105    font-weight: 700;
106}
107main h6{
108    font-family: sans-serif;
109    padding-left: 40px;
110    font-size: 13px;
111    line-height: 20px;
112    font-weight: 600;
113}&lt;!DOCTYPE html&gt;
114&lt;head&gt;
115    &lt;meta charset="UTF-8"&gt;
116    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
117    &lt;title&gt;the title idk&lt;/title&gt;
118    &lt;link rel="stylesheet" href="style.css"&gt;
119&lt;/head&gt;
120&lt;body&gt;
121    &lt;div class="grid-container"&gt;
122        &lt;header&gt;
123            
124        &lt;/header&gt;   
125        &lt;main&gt;
126            &lt;div id="description"&gt;
127                &lt;h1&gt;Man's&lt;br&gt;
128                    best&lt;br&gt;
129                    friend
130                &lt;/h1&gt;
131                &lt;h6&gt;Pies towarzyszy człowiekowi od tysięcy lat i trudno dziś wyobrazić sobie,&lt;br&gt; 
132                    by mogło być inaczej. Popularne stwierdzenie „pies najlepszym przyjacielem &lt;br&gt; 
133                    człowieka” nie jest tylko pustym sloganem – psy to naprawdę niezrównani &lt;br&gt; 
134                    przyjaciele, którzy nigdy nie zawodzą i zostają przy Tobie na zawsze. &lt;br&gt; 
135                    Jeśli masz psa, nie musimy Ci tego zresztą tłumaczyć – to się po prostu &lt;br&gt; 
136                    czuje. Jeśli zaś dopiero zastanawiasz się nad przygarnięciem pod swój &lt;br&gt; 
137                    dach czworonożnego kumpla, nie wahaj się. Na filmie przedstawiliśmy &lt;br&gt; 
138                    kilka powodów, dlaczego pies jest najlepszym przyjacielem człowieka! 
139                &lt;/h6&gt;
140                &lt;/div&gt;
141            &lt;div class="commercial"&gt;
142            &lt;iframe width="411" height="161" src="https://www.youtube.com/embed/3LzNQY3aT4c" title="YouTube video player"
143             frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
144              allowfullscreen&gt;&lt;/iframe&gt;
145            &lt;/div&gt;
146        &lt;/main&gt;
147        &lt;section class="below"&gt;
148            
149        &lt;/section&gt;
150        
151        &lt;section class="footer"&gt;
152            footer
153        &lt;/section&gt;
154        &lt;div class="lmain"&gt;
155            
156        &lt;/div&gt;
157       
158        
159
160    &lt;/div&gt;
161
162&lt;/body&gt;
163&lt;/html&gt;body {
164    margin: 0;
165    height: 100vh;
166}
167
168.grid-container {
169    display: grid;
170    grid-template-columns: 1fr 1.4fr 1.3fr;
171    grid-template-rows: 0.4fr 4fr 3fr 0.6fr;
172    grid-template-areas:
173    "header main main"
174    "lmain main main"
175    "lmain below below"
176    "footer footer footer";
177    height: 100vh;
178}
179
180
181main {
182    grid-area: main;
183    background: #FFFADF;
184}   
185
186section.below {
187    grid-area: below;
188    background: #C4B35A;
189}
190
191
192section.footer {
193    grid-area: footer;
194    background: #615e5e;
195}
196
197header {
198    grid-area: header;
199    background: rgb(198, 250, 239);
200}
201.lmain {
202    grid-area: lmain;
203    background: rgb(233, 112, 112);
204    background-size: cover;
205}
206
207ul{
208    list-style-type: none;
209    margin: 0;
210    padding: 0;
211    overflow: hidden;
212    background-color: #486cad;
213}
214li{
215    float: left;
216}
217li a{
218    display: block;
219    color: white;
220    text-align: center;
221    padding: 16px 16px;
222    text-decoration: none;
223}
224li a:hover {
225    background-color: #95b8d1;
226}
227
228#main-text{
229    font-family:sans-serif;
230    font-weight: 550;
231    font-size: 17px;
232    text-align: center;
233}
234
235#quote{
236    font-family:sans-serif;
237    font-size: 18px;
238    text-align: center;
239}
240#author{
241    font-family:sans-serif;
242    margin-right: 10px;
243    font-size: 10px;
244    text-align: center;
245}
246.text-box hr{
247    width: 20%;
248    height: 1px;
249    background: -webkit-gradient(linear, 0 0, 100% 0, from(transparent), to(transparent), color-stop(50%, black));
250    border: none;
251}
252.box{
253    margin-left: 37px;
254    justify-content: center;
255    align-items: center;
256    position: relative;
257    width: 80%;
258    background-color: white;
259    border: 1px solid rgba(59, 58, 58, 0.46);
260    border-radius: 5px;
261    box-shadow: -2px 2px 7px gray;
262}
263main h1{
264    font-family: sans-serif;
265    padding-left: 40px;
266    padding-top: 40px;
267    font-weight: 700;
268}
269main h6{
270    font-family: sans-serif;
271    padding-left: 40px;
272    font-size: 13px;
273    line-height: 20px;
274    font-weight: 600;
275}
276
277#description {
278  float: left;
279  width: 50%;
280}
281
282.commercial {
283  float: right;
284  width: 50%;
285}

1body {
2    margin: 0;
3    height: 100vh;
4}
5
6.grid-container {
7    display: grid;
8    grid-template-columns: 1fr 1.4fr 1.3fr;
9    grid-template-rows: 0.4fr 4fr 3fr 0.6fr;
10    grid-template-areas:
11    "header main main"
12    "lmain main main"
13    "lmain below below"
14    "footer footer footer";
15    height: 100vh;
16}
17
18
19main {
20    grid-area: main;
21    background: #FFFADF;
22}   
23
24section.below {
25    grid-area: below;
26    background: #C4B35A;
27}
28
29
30section.footer {
31    grid-area: footer;
32    background: #615e5e;
33}
34
35header {
36    grid-area: header;
37    background: rgb(198, 250, 239);
38}
39.lmain {
40    grid-area: lmain;
41    background: rgb(233, 112, 112);
42    background-size: cover;
43}
44
45ul{
46    list-style-type: none;
47    margin: 0;
48    padding: 0;
49    overflow: hidden;
50    background-color: #486cad;
51}
52li{
53    float: left;
54}
55li a{
56    display: block;
57    color: white;
58    text-align: center;
59    padding: 16px 16px;
60    text-decoration: none;
61}
62li a:hover {
63    background-color: #95b8d1;
64}
65
66#main-text{
67    font-family:sans-serif;
68    font-weight: 550;
69    font-size: 17px;
70    text-align: center;
71}
72
73#quote{
74    font-family:sans-serif;
75    font-size: 18px;
76    text-align: center;
77}
78#author{
79    font-family:sans-serif;
80    margin-right: 10px;
81    font-size: 10px;
82    text-align: center;
83}
84.text-box hr{
85    width: 20%;
86    height: 1px;
87    background: -webkit-gradient(linear, 0 0, 100% 0, from(transparent), to(transparent), color-stop(50%, black));
88    border: none;
89}
90.box{
91    margin-left: 37px;
92    justify-content: center;
93    align-items: center;
94    position: relative;
95    width: 80%;
96    background-color: white;
97    border: 1px solid rgba(59, 58, 58, 0.46);
98    border-radius: 5px;
99    box-shadow: -2px 2px 7px gray;
100}
101main h1{
102    font-family: sans-serif;
103    padding-left: 40px;
104    padding-top: 40px;
105    font-weight: 700;
106}
107main h6{
108    font-family: sans-serif;
109    padding-left: 40px;
110    font-size: 13px;
111    line-height: 20px;
112    font-weight: 600;
113}&lt;!DOCTYPE html&gt;
114&lt;head&gt;
115    &lt;meta charset="UTF-8"&gt;
116    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
117    &lt;title&gt;the title idk&lt;/title&gt;
118    &lt;link rel="stylesheet" href="style.css"&gt;
119&lt;/head&gt;
120&lt;body&gt;
121    &lt;div class="grid-container"&gt;
122        &lt;header&gt;
123            
124        &lt;/header&gt;   
125        &lt;main&gt;
126            &lt;div id="description"&gt;
127                &lt;h1&gt;Man's&lt;br&gt;
128                    best&lt;br&gt;
129                    friend
130                &lt;/h1&gt;
131                &lt;h6&gt;Pies towarzyszy człowiekowi od tysięcy lat i trudno dziś wyobrazić sobie,&lt;br&gt; 
132                    by mogło być inaczej. Popularne stwierdzenie „pies najlepszym przyjacielem &lt;br&gt; 
133                    człowieka” nie jest tylko pustym sloganem – psy to naprawdę niezrównani &lt;br&gt; 
134                    przyjaciele, którzy nigdy nie zawodzą i zostają przy Tobie na zawsze. &lt;br&gt; 
135                    Jeśli masz psa, nie musimy Ci tego zresztą tłumaczyć – to się po prostu &lt;br&gt; 
136                    czuje. Jeśli zaś dopiero zastanawiasz się nad przygarnięciem pod swój &lt;br&gt; 
137                    dach czworonożnego kumpla, nie wahaj się. Na filmie przedstawiliśmy &lt;br&gt; 
138                    kilka powodów, dlaczego pies jest najlepszym przyjacielem człowieka! 
139                &lt;/h6&gt;
140                &lt;/div&gt;
141            &lt;div class="commercial"&gt;
142            &lt;iframe width="411" height="161" src="https://www.youtube.com/embed/3LzNQY3aT4c" title="YouTube video player"
143             frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
144              allowfullscreen&gt;&lt;/iframe&gt;
145            &lt;/div&gt;
146        &lt;/main&gt;
147        &lt;section class="below"&gt;
148            
149        &lt;/section&gt;
150        
151        &lt;section class="footer"&gt;
152            footer
153        &lt;/section&gt;
154        &lt;div class="lmain"&gt;
155            
156        &lt;/div&gt;
157       
158        
159
160    &lt;/div&gt;
161
162&lt;/body&gt;
163&lt;/html&gt;body {
164    margin: 0;
165    height: 100vh;
166}
167
168.grid-container {
169    display: grid;
170    grid-template-columns: 1fr 1.4fr 1.3fr;
171    grid-template-rows: 0.4fr 4fr 3fr 0.6fr;
172    grid-template-areas:
173    "header main main"
174    "lmain main main"
175    "lmain below below"
176    "footer footer footer";
177    height: 100vh;
178}
179
180
181main {
182    grid-area: main;
183    background: #FFFADF;
184}   
185
186section.below {
187    grid-area: below;
188    background: #C4B35A;
189}
190
191
192section.footer {
193    grid-area: footer;
194    background: #615e5e;
195}
196
197header {
198    grid-area: header;
199    background: rgb(198, 250, 239);
200}
201.lmain {
202    grid-area: lmain;
203    background: rgb(233, 112, 112);
204    background-size: cover;
205}
206
207ul{
208    list-style-type: none;
209    margin: 0;
210    padding: 0;
211    overflow: hidden;
212    background-color: #486cad;
213}
214li{
215    float: left;
216}
217li a{
218    display: block;
219    color: white;
220    text-align: center;
221    padding: 16px 16px;
222    text-decoration: none;
223}
224li a:hover {
225    background-color: #95b8d1;
226}
227
228#main-text{
229    font-family:sans-serif;
230    font-weight: 550;
231    font-size: 17px;
232    text-align: center;
233}
234
235#quote{
236    font-family:sans-serif;
237    font-size: 18px;
238    text-align: center;
239}
240#author{
241    font-family:sans-serif;
242    margin-right: 10px;
243    font-size: 10px;
244    text-align: center;
245}
246.text-box hr{
247    width: 20%;
248    height: 1px;
249    background: -webkit-gradient(linear, 0 0, 100% 0, from(transparent), to(transparent), color-stop(50%, black));
250    border: none;
251}
252.box{
253    margin-left: 37px;
254    justify-content: center;
255    align-items: center;
256    position: relative;
257    width: 80%;
258    background-color: white;
259    border: 1px solid rgba(59, 58, 58, 0.46);
260    border-radius: 5px;
261    box-shadow: -2px 2px 7px gray;
262}
263main h1{
264    font-family: sans-serif;
265    padding-left: 40px;
266    padding-top: 40px;
267    font-weight: 700;
268}
269main h6{
270    font-family: sans-serif;
271    padding-left: 40px;
272    font-size: 13px;
273    line-height: 20px;
274    font-weight: 600;
275}
276
277#description {
278  float: left;
279  width: 50%;
280}
281
282.commercial {
283  float: right;
284  width: 50%;
285}&lt;!DOCTYPE html&gt;
286&lt;head&gt;
287    &lt;meta charset="UTF-8"&gt;
288    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
289    &lt;title&gt;the title idk&lt;/title&gt;
290    &lt;link rel="stylesheet" href="style.css"&gt;
291&lt;/head&gt;
292&lt;body&gt;
293    &lt;div class="grid-container"&gt;
294        &lt;header&gt;
295            
296        &lt;/header&gt;   
297        &lt;main&gt;
298            &lt;div id="description"&gt;
299                &lt;h1&gt;Man's&lt;br&gt;
300                    best&lt;br&gt;
301                    friend
302                &lt;/h1&gt;
303                &lt;h6&gt;Pies towarzyszy człowiekowi od tysięcy lat i trudno dziś wyobrazić sobie,&lt;br&gt; 
304                    by mogło być inaczej. Popularne stwierdzenie „pies najlepszym przyjacielem &lt;br&gt; 
305                    człowieka” nie jest tylko pustym sloganem – psy to naprawdę niezrównani &lt;br&gt; 
306                    przyjaciele, którzy nigdy nie zawodzą i zostają przy Tobie na zawsze. &lt;br&gt; 
307                    Jeśli masz psa, nie musimy Ci tego zresztą tłumaczyć – to się po prostu &lt;br&gt; 
308                    czuje. Jeśli zaś dopiero zastanawiasz się nad przygarnięciem pod swój &lt;br&gt; 
309                    dach czworonożnego kumpla, nie wahaj się. Na filmie przedstawiliśmy &lt;br&gt; 
310                    kilka powodów, dlaczego pies jest najlepszym przyjacielem człowieka! 
311                &lt;/h6&gt;
312                &lt;/div&gt;
313            &lt;div class="commercial"&gt;
314            &lt;br&gt;&lt;br&gt;&lt;br&gt;
315            &lt;iframe width="411" height="161" src="https://www.youtube.com/embed/3LzNQY3aT4c" title="YouTube video player"
316             frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
317              allowfullscreen&gt;&lt;/iframe&gt;
318            &lt;/div&gt;
319        &lt;/main&gt;
320        &lt;section class="below"&gt;
321            
322        &lt;/section&gt;
323        
324        &lt;section class="footer"&gt;
325            footer
326        &lt;/section&gt;
327        &lt;div class="lmain"&gt;
328            
329        &lt;/div&gt;
330       
331        
332
333    &lt;/div&gt;
334
335&lt;/body&gt;
336&lt;/html&gt;

Source https://stackoverflow.com/questions/71482626

QUESTION

PyQt5: How to detect if QSlider is dragged to the end

Asked 2022-Mar-07 at 02:51

I want to detect if a user drags a QSlider handle all the way to the end.

I created a video player that displays the video frames in a QLabel object. A horizontal QSlider object tracks the video position and can also be dragged to position the video. I want the video player to do one thing if the video plays all the way to the end and do something else if the user drags the slider all the way to the end.

I tried detecting if the mouse button is pressed when the slider reaches the end, but have not been able to get that to work in the script below. Is there some other way to determine if the end of the slider is reached when the user drags the slider (mouse button pressed) versus when the video plays to the end by itself (mouse button not pressed)?

1from PyQt5 import QtCore, QtWidgets
2import sys
3
4class MainWindow(QtWidgets.QMainWindow):
5    def __init__(self, parent=None):
6        super().__init__(parent)
7
8        central_widget = QtWidgets.QWidget()
9        self.setCentralWidget(central_widget)
10
11        self.label = QtWidgets.QLabel()
12        self.label.setStyleSheet(&quot;border: 1px solid black&quot;)
13        
14        self.slider = QtWidgets.QSlider()
15        self.slider.setOrientation(QtCore.Qt.Horizontal)
16
17        lay = QtWidgets.QVBoxLayout(central_widget)
18        #lay.addWidget(self.label)
19        lay.addWidget(self.slider)
20
21        self.resize(640, 480)
22        
23    def mousePressEvent(self, event):
24        super().mousePressEvent(event)
25        self.label.setText('Pressed')
26        
27    def mouseReleaseEvent(self, event):
28        super().mouseReleaseEvent(event) 
29        self.label.setText('Released')
30
31    def sliderPressed(self, event):
32        super().sliderPressed(event)
33        self.label.setText('Pressed')
34        
35    def sliderReleased(self, event):
36        super().sliderReleased(event)
37        self.label.setText('Released')
38
39if __name__ == &quot;__main__&quot;:
40    app = QtWidgets.QApplication(sys.argv)
41    w = MainWindow()
42    w.show()
43    sys.exit(app.exec_())
44

ANSWER

Answered 2022-Mar-07 at 02:51

The QSlider class inherits QAbstractSlider, which has some signals and functions that make this relatively easy to achieve. In particular, the actionTriggered signal provides fine-grained slider movement notifications, which are independent of any programmatic value changes (i.e. via setValue). This allows tracking all mouse and keyboard changes (via dragging, wheel-scrolling, arrow/page keys, etc) before the value itself changes, which pretty much gives total control. There's also the sliderDown property, which can be used to identify the specific case where the mouse is pressed when dragging.

Below is a simple demo based on your example:

1from PyQt5 import QtCore, QtWidgets
2import sys
3
4class MainWindow(QtWidgets.QMainWindow):
5    def __init__(self, parent=None):
6        super().__init__(parent)
7
8        central_widget = QtWidgets.QWidget()
9        self.setCentralWidget(central_widget)
10
11        self.label = QtWidgets.QLabel()
12        self.label.setStyleSheet(&quot;border: 1px solid black&quot;)
13        
14        self.slider = QtWidgets.QSlider()
15        self.slider.setOrientation(QtCore.Qt.Horizontal)
16
17        lay = QtWidgets.QVBoxLayout(central_widget)
18        #lay.addWidget(self.label)
19        lay.addWidget(self.slider)
20
21        self.resize(640, 480)
22        
23    def mousePressEvent(self, event):
24        super().mousePressEvent(event)
25        self.label.setText('Pressed')
26        
27    def mouseReleaseEvent(self, event):
28        super().mouseReleaseEvent(event) 
29        self.label.setText('Released')
30
31    def sliderPressed(self, event):
32        super().sliderPressed(event)
33        self.label.setText('Pressed')
34        
35    def sliderReleased(self, event):
36        super().sliderReleased(event)
37        self.label.setText('Released')
38
39if __name__ == &quot;__main__&quot;:
40    app = QtWidgets.QApplication(sys.argv)
41    w = MainWindow()
42    w.show()
43    sys.exit(app.exec_())
44from PyQt5 import QtCore, QtWidgets
45import sys
46
47class MainWindow(QtWidgets.QMainWindow):
48    def __init__(self, parent=None):
49        super().__init__(parent)
50        central_widget = QtWidgets.QWidget()
51        self.setCentralWidget(central_widget)
52        self.label = QtWidgets.QLabel()
53        self.label.setStyleSheet(&quot;border: 1px solid black&quot;)
54        self.slider = QtWidgets.QSlider()
55        self.slider.setOrientation(QtCore.Qt.Horizontal)
56        self.slider.setRange(0, 10000)
57        self.slider.setSingleStep(50)
58        self.slider.setPageStep(500)
59        self.slider.actionTriggered.connect(self.handleSliderAction)
60        self.button = QtWidgets.QPushButton('Play')
61        self.button.clicked.connect(self.handlePlay)
62        lay = QtWidgets.QVBoxLayout(central_widget)
63        lay.addWidget(self.label)
64        lay.addWidget(self.slider)
65        lay.addWidget(self.button)
66        self.resize(640, 480)
67        self.timer = QtCore.QTimer()
68        self.timer.setInterval(10)
69        self.timer.timeout.connect(
70            lambda: self.slider.setValue(self.slider.value() + 1))
71
72    def handleSliderAction(self, action):
73        value = self.slider.sliderPosition()
74        if value == self.slider.maximum():
75            if self.slider.isSliderDown():
76                self.label.setText('slider: end (down)')
77            else:
78                self.label.setText('slider: end')
79        else:
80            self.label.setText(f'slider: {value}')
81
82    def handlePlay(self):
83        if self.timer.isActive():
84            self.timer.stop()
85            self.button.setText('Play')
86        else:
87            self.button.setText('Pause')
88            self.timer.start()
89
90if __name__ == &quot;__main__&quot;:
91
92    app = QtWidgets.QApplication(sys.argv)
93    w = MainWindow()
94    w.show()
95    sys.exit(app.exec_())
96

Source https://stackoverflow.com/questions/71373328

QUESTION

Typo3 CKeditor <iframe> YouTube video issue

Asked 2022-Mar-01 at 14:50

I tried to add an YouTube video in my text/image content with the iframe link from YouTube, or by clicking in "Embed Youtube video" and adding the embed code but it doesn't work, in frond en I see an Iframe balise like :

<--iframe width="560" height="315" src="https://www.youtube.com/embed/dqsdsdq" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>

In Ckeditor I see a black square of YouTube written : video not available

I checked my config but I don't see what is wrong, I show you some code of my config :

Default.yaml

1editor:
2  config:
3    allowedContent: true
4    removeFormatAttributes: &quot;&quot;
5    youtube_width: 550
6    extraAllowedContent: '*(*)[data-*]; iframe'
7
8
9   externalPlugins:
10    youtube: {resource: &quot;EXT:skin/Resources/Public/vendor/scripts/youtube/youtube/plugin.js&quot;}
11
12    extraAllowedContent:
13      - span
14      - iframe
15    allowTags:
16      - iframe
17  processing:
18    allowTags:
19      - iframe
20    allowTagsOutside:
21      - iframe
22

Page.ts :

1editor:
2  config:
3    allowedContent: true
4    removeFormatAttributes: &quot;&quot;
5    youtube_width: 550
6    extraAllowedContent: '*(*)[data-*]; iframe'
7
8
9   externalPlugins:
10    youtube: {resource: &quot;EXT:skin/Resources/Public/vendor/scripts/youtube/youtube/plugin.js&quot;}
11
12    extraAllowedContent:
13      - span
14      - iframe
15    allowTags:
16      - iframe
17  processing:
18    allowTags:
19      - iframe
20    allowTagsOutside:
21      - iframe
22RTE.default {
23    proc {
24        blockElementList := addToList(iframe)
25        externalBlocks := addToList(iframe)
26    }
27}
28

PageTemplate.ts

1editor:
2  config:
3    allowedContent: true
4    removeFormatAttributes: &quot;&quot;
5    youtube_width: 550
6    extraAllowedContent: '*(*)[data-*]; iframe'
7
8
9   externalPlugins:
10    youtube: {resource: &quot;EXT:skin/Resources/Public/vendor/scripts/youtube/youtube/plugin.js&quot;}
11
12    extraAllowedContent:
13      - span
14      - iframe
15    allowTags:
16      - iframe
17  processing:
18    allowTags:
19      - iframe
20    allowTagsOutside:
21      - iframe
22RTE.default {
23    proc {
24        blockElementList := addToList(iframe)
25        externalBlocks := addToList(iframe)
26    }
27}
28lib.parseFunc_RTE.allowTags := addToList(object,param,embed,iframe)
29lib.parseFunc.htmlSanitize = 0
30lib.parseFunc_RTE.htmlSanitize = 0
31

Someone can tell we what's wrong with my config ? I'm using TYPO3 9.5

thanks you

update : It's working now, I added the 2 last line in my PageTemplate.ts , I edited my code to show my fix

ANSWER

Answered 2022-Feb-26 at 23:33

You can try:

1editor:
2  config:
3    allowedContent: true
4    removeFormatAttributes: &quot;&quot;
5    youtube_width: 550
6    extraAllowedContent: '*(*)[data-*]; iframe'
7
8
9   externalPlugins:
10    youtube: {resource: &quot;EXT:skin/Resources/Public/vendor/scripts/youtube/youtube/plugin.js&quot;}
11
12    extraAllowedContent:
13      - span
14      - iframe
15    allowTags:
16      - iframe
17  processing:
18    allowTags:
19      - iframe
20    allowTagsOutside:
21      - iframe
22RTE.default {
23    proc {
24        blockElementList := addToList(iframe)
25        externalBlocks := addToList(iframe)
26    }
27}
28lib.parseFunc_RTE.allowTags := addToList(object,param,embed,iframe)
29lib.parseFunc.htmlSanitize = 0
30lib.parseFunc_RTE.htmlSanitize = 0
31editor:
32  externalPlugins:
33    youtube: {resource: &quot;EXT:image_displayer/Resources/Public/youtube/plugin.js&quot;}
34    typo3image:
35      allowedExtensions: &quot;jpg,jpeg,png&quot;
36   
37  config:
38    allowTags:
39      - pre
40      - code
41      - iframe
42    allowedContent: true
43    removePlugins: null
44
45processing:
46  allowTags:
47    - pre
48    - code
49    - iframe    
50  allowedContent: true
51  removeFormatAttributes: &quot;&quot;
52  youtube_width: 550
53

It can be possible you need a youtube plugin also

get plugin: https://ckeditor.com/cke4/addon/youtube

Put the plugin in custom_ext/Resources/Public/CKEditor/Plugins/youtube/ folder

Also:

Paste the embed code in the source view of the editor, maybe instead of using the youtube button.

This line is also needed:

1editor:
2  config:
3    allowedContent: true
4    removeFormatAttributes: &quot;&quot;
5    youtube_width: 550
6    extraAllowedContent: '*(*)[data-*]; iframe'
7
8
9   externalPlugins:
10    youtube: {resource: &quot;EXT:skin/Resources/Public/vendor/scripts/youtube/youtube/plugin.js&quot;}
11
12    extraAllowedContent:
13      - span
14      - iframe
15    allowTags:
16      - iframe
17  processing:
18    allowTags:
19      - iframe
20    allowTagsOutside:
21      - iframe
22RTE.default {
23    proc {
24        blockElementList := addToList(iframe)
25        externalBlocks := addToList(iframe)
26    }
27}
28lib.parseFunc_RTE.allowTags := addToList(object,param,embed,iframe)
29lib.parseFunc.htmlSanitize = 0
30lib.parseFunc_RTE.htmlSanitize = 0
31editor:
32  externalPlugins:
33    youtube: {resource: &quot;EXT:image_displayer/Resources/Public/youtube/plugin.js&quot;}
34    typo3image:
35      allowedExtensions: &quot;jpg,jpeg,png&quot;
36   
37  config:
38    allowTags:
39      - pre
40      - code
41      - iframe
42    allowedContent: true
43    removePlugins: null
44
45processing:
46  allowTags:
47    - pre
48    - code
49    - iframe    
50  allowedContent: true
51  removeFormatAttributes: &quot;&quot;
52  youtube_width: 550
53lib.parseFunc_RTE.allowTags := addToList(object,param,embed,iframe)
54

Source https://stackoverflow.com/questions/71268326

QUESTION

How do i open srt file on flutter?

Asked 2022-Feb-24 at 09:49

I am trying to load subtitle to a video using the flutter video player package it works good for short files but it stopped as the file get bigger I trayed subtitle_wrapper package but it has many bugs

1Future&lt;ClosedCaptionFile&gt; getSubtitle(String url) async {
2  final data = NetworkAssetBundle(Uri(path: url));
3  final newdata = await data.load(url);
4  String fileContents = getStringFromBytes(newdata);
5  return captionFile = SubRipCaptionFile(fileContents);
6}
7

this is getStringFromBytes function

1Future&lt;ClosedCaptionFile&gt; getSubtitle(String url) async {
2  final data = NetworkAssetBundle(Uri(path: url));
3  final newdata = await data.load(url);
4  String fileContents = getStringFromBytes(newdata);
5  return captionFile = SubRipCaptionFile(fileContents);
6}
7getStringFromBytes(ByteData data) { final buffer = data.buffer; 
8var list = buffer.asUint8List(data.offsetInBytes, data.lengthInBytes);
9return utf8.decode(list); } 
10

ANSWER

Answered 2022-Feb-24 at 09:49

it wasn't the size after all I tested on some srt files that have a blank space for some duration and the flutter converter do a check on every element if the length is<3 it break on get out of the loop

Source https://stackoverflow.com/questions/71229181

QUESTION

Make total video duration instantly known in video player (ffmpeg / html)

Asked 2022-Feb-19 at 15:34

TL;DR

What's the correct ffmpeg setting to prevent the video from 'lazy' loading the video's total duration?

Problem

I'm trying to transcode a video using ffmpeg (in NodeJS). When transcoding is finished ffmpeg uploads the video automatically to a bucket (GCP).

Hoverever, the video that ffmpeg produces doesn't have a clear total duration when played in a HTML video player. It's only after x (milli)seconds that the total video duration is known and displayed.

Code

Using the fluent-ffmpeg NodeJS library:

1const settings: VideoHDPresetSettings = {
2  format: &quot;mp4&quot;,
3  codec: &quot;libx264&quot;,
4  size: &quot;1920x1080&quot;,
5  ratio: &quot;16:9&quot;,
6  options: [
7    &quot;-movflags&quot;, &quot;frag_keyframe+empty_moov+faststart&quot;,
8    &quot;-preset&quot;, &quot;veryfast&quot;,
9    &quot;-crf&quot;, &quot;16&quot;,
10  ],
11};
12
13ffmpeg({source: &quot;input.mp4&quot;})
14 .format(settings.format)
15 .videoCodec(settings.codec)
16 .size(settings.size)
17 .aspectRatio(settings.ratio)
18 .outputOptions(settings.options)
19 .writeToStream(outputStream);
20

This is fluent-ffmpeg's generated command:

1const settings: VideoHDPresetSettings = {
2  format: &quot;mp4&quot;,
3  codec: &quot;libx264&quot;,
4  size: &quot;1920x1080&quot;,
5  ratio: &quot;16:9&quot;,
6  options: [
7    &quot;-movflags&quot;, &quot;frag_keyframe+empty_moov+faststart&quot;,
8    &quot;-preset&quot;, &quot;veryfast&quot;,
9    &quot;-crf&quot;, &quot;16&quot;,
10  ],
11};
12
13ffmpeg({source: &quot;input.mp4&quot;})
14 .format(settings.format)
15 .videoCodec(settings.codec)
16 .size(settings.size)
17 .aspectRatio(settings.ratio)
18 .outputOptions(settings.options)
19 .writeToStream(outputStream);
20ffmpeg -i input.mp4 -vcodec libx264 -filter:v scale=w=1920:h=1080 -f mp4 -movflags frag_keyframe+empty_moov+faststart -preset veryfast -crf 16 pipe:1
21

Example Original

This is what I'd like it to be, when the video is loaded the total video duration is known immediatly.

https://storage.googleapis.com/uhasselt/problem/original (expired)

Ffmpeg:

This is what the code above generates, when the video is loaded the total video duration is known yet. It's pretty difficult to detect with this video, so refresh a couple of times while looking at the video's total duration on the timeline.

https://storage.googleapis.com/uhasselt/problem/ffmpeg-result (expired)

Question

What's the correct ffmpeg setting to prevent the video from 'lazy' loading the video's total duration? What am I doing wrong?

ANSWER

Answered 2022-Feb-19 at 15:32

After some additional testing I found out that the .writeToStream(...) is causing this behavior. This saving technique is used to directly stream the result to some url without having to save it on the machine's local disk.

I'm now using the .save("./output/path.mp4") function to save ffmpeg's result on disk first, afterwards I stream it to my bucket (not included in code below).

I'm not sure why this works... I think it has something to do with ffmpeg now being able to jump back and change previous saved metadata, before delivering the final video (something that wasn't possible with the .writeToStream(...) since the data stream is one continuous stream of data without the ability to jump back).

If you're using the CLI ffmpeg version instead of fluent-ffmpeg this change would correspond to not using the pipe:1 at the end of your ffmpeg command.

This is the final solution

1const settings: VideoHDPresetSettings = {
2  format: &quot;mp4&quot;,
3  codec: &quot;libx264&quot;,
4  size: &quot;1920x1080&quot;,
5  ratio: &quot;16:9&quot;,
6  options: [
7    &quot;-movflags&quot;, &quot;frag_keyframe+empty_moov+faststart&quot;,
8    &quot;-preset&quot;, &quot;veryfast&quot;,
9    &quot;-crf&quot;, &quot;16&quot;,
10  ],
11};
12
13ffmpeg({source: &quot;input.mp4&quot;})
14 .format(settings.format)
15 .videoCodec(settings.codec)
16 .size(settings.size)
17 .aspectRatio(settings.ratio)
18 .outputOptions(settings.options)
19 .writeToStream(outputStream);
20ffmpeg -i input.mp4 -vcodec libx264 -filter:v scale=w=1920:h=1080 -f mp4 -movflags frag_keyframe+empty_moov+faststart -preset veryfast -crf 16 pipe:1
21// Exactly the same
22const settings: VideoHDPresetSettings = {
23  format: &quot;mp4&quot;,
24  codec: &quot;libvpx-vp9&quot;,
25  size: &quot;1920x1080&quot;,
26  ratio: &quot;16:9&quot;,
27  options: [
28    &quot;-movflags&quot;, &quot;frag_keyframe+empty_moov+faststart&quot;,
29    &quot;-preset&quot;, &quot;veryfast&quot;,
30    &quot;-crf&quot;, &quot;30&quot;,
31  ],
32};
33
34ffmpeg({source: &quot;input.mp4&quot;})
35  .format(settings.format)
36  .videoCodec(settings.codec)
37  .size(settings.size)
38  .aspectRatio(settings.ratio)
39  .outputOptions(settings.options)
40  .save(&quot;./output.mp4&quot;); // NEW!
41

Source https://stackoverflow.com/questions/71185906

QUESTION

use vlcj-javafx-demo develop a player, but it looks some components UI not update correctly when set full screen

Asked 2022-Feb-19 at 01:20

I try to use vlcj-javafx-demo to develop a video player, and I put the progress bar(Slider) on the StackPane over the video layer. In the beginning, it looks work well, but when I set maximum or full screen the app, it looks some components UI did not update correctly. How can I correct it?

Thanks a lot!

normally: [1]: https://i.stack.imgur.com/bbE51.png

normally: [2]: https://i.stack.imgur.com/Plsb1.png the red color is the sence background color.

the code :

1package my.javafx.myplayer;
2
3import javafx.animation.FadeTransition;
4import javafx.application.Application;
5import javafx.application.Platform;
6import javafx.beans.property.DoubleProperty;
7import javafx.geometry.Pos;
8import javafx.scene.Scene;
9import javafx.scene.control.Button;
10import javafx.scene.control.Label;
11import javafx.scene.control.ProgressIndicator;
12import javafx.scene.control.Slider;
13import javafx.scene.image.ImageView;
14import javafx.scene.layout.AnchorPane;
15import javafx.scene.layout.BorderPane;
16import javafx.scene.layout.FlowPane;
17import javafx.scene.layout.StackPane;
18import javafx.scene.paint.Color;
19import javafx.stage.Stage;
20import javafx.util.Duration;
21import uk.co.caprica.vlcj.factory.MediaPlayerFactory;
22import uk.co.caprica.vlcj.player.base.MediaPlayer;
23import uk.co.caprica.vlcj.player.base.MediaPlayerEventAdapter;
24import uk.co.caprica.vlcj.player.embedded.EmbeddedMediaPlayer;
25
26import java.util.ArrayList;
27import java.util.List;
28
29import static uk.co.caprica.vlcj.javafx.videosurface.ImageViewVideoSurfaceFactory.videoSurfaceForImageView;
30
31/**
32 *
33 */
34public class VlcjJavaFxApplication extends Application {
35
36    private final MediaPlayerFactory mediaPlayerFactory;
37
38    private final EmbeddedMediaPlayer embeddedMediaPlayer;
39
40    private ImageView videoImageView;
41    
42    Slider progress=new Slider();
43
44    public VlcjJavaFxApplication() {
45        this.mediaPlayerFactory = new MediaPlayerFactory();
46        this.embeddedMediaPlayer = mediaPlayerFactory.mediaPlayers().newEmbeddedMediaPlayer();
47        this.embeddedMediaPlayer.events().addMediaPlayerEventListener(new MediaPlayerEventAdapter() {
48            @Override
49            public void mediaPlayerReady(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
50                Platform.runLater(()-&gt;{
51                    progress.setValue(0);
52                    progress.setMax(embeddedMediaPlayer.media().info().duration());
53                    
54                    progress.setMin(0);
55                });
56            }
57            @Override
58            public void playing(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
59                
60            }
61
62            @Override
63            public void paused(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
64            }
65
66            @Override
67            public void stopped(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
68            }
69
70            @Override
71            public void timeChanged(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer, long newTime) {
72                Platform.runLater(()-&gt;{
73                    progress.setValue(newTime);
74                });
75                
76            }
77        });
78    }
79
80    @Override
81    public void init() {
82        this.videoImageView = new ImageView();
83        this.videoImageView.setPreserveRatio(true);
84
85        embeddedMediaPlayer.videoSurface().set(videoSurfaceForImageView(this.videoImageView));
86    }
87
88    @Override
89    public final void start(Stage primaryStage) throws Exception {
90        List&lt;String&gt; params = new ArrayList&lt;String&gt;();
91        params.add("/Users/baixq/Downloads/妙味课堂xhtml+css2/妙味课堂-XHTMLCSS2整站视频教程-4.avi");
92        if (params.size() != 1) {
93            System.out.println("Specify a single MRL");
94            System.exit(-1);
95        }
96        StackPane root=new StackPane();
97        //BorderPane root = new BorderPane();
98        root.setStyle("-fx-background-color: black;");
99
100        videoImageView.fitWidthProperty().bind(root.widthProperty());
101        videoImageView.fitHeightProperty().bind(root.heightProperty());
102
103        root.widthProperty().addListener((observableValue, oldValue, newValue) -&gt; {
104            // If you need to know about resizes
105        });
106
107        root.heightProperty().addListener((observableValue, oldValue, newValue) -&gt; {
108            // If you need to know about resizes
109        });
110        
111        
112
113        Scene scene = new Scene(root, 1200, 675, Color.RED);
114        primaryStage.setTitle("vlcj JavaFX");
115        primaryStage.setScene(scene);
116        
117        AnchorPane contrlBox=new AnchorPane();//操作面板上的控制模块
118        contrlBox.prefWidthProperty().bind(root.widthProperty());
119        contrlBox.prefHeightProperty().bind(root.heightProperty().multiply(0.1));
120        
121        BorderPane controlBar=new BorderPane();
122        controlBar.setStyle("-fx-background-color: #130c0e;");
123        controlBar.prefWidthProperty().bind(root.widthProperty());
124        controlBar.prefHeightProperty().bind(root.heightProperty().multiply(0.1));
125        controlBar.setCenter(progress);
126        Button fullScreen=new Button("全屏");
127        controlBar.setRight(fullScreen);
128        
129        contrlBox.getChildren().add(controlBar);
130        contrlBox.setBottomAnchor(controlBar, 0.0);
131        
132        
133        root.getChildren().addAll(videoImageView,contrlBox);
134        
135        
136        primaryStage.show();
137        embeddedMediaPlayer.media().play(params.get(0));
138        
139        fullScreen.setOnAction(event-&gt;{
140            primaryStage.setFullScreen(true);
141        });
142
143        root.setOnMouseEntered(event-&gt;{
144            Platform.runLater(()-&gt;{
145                FadeTransition ft = new FadeTransition(Duration.millis(500), contrlBox);
146                ft.setFromValue(0.0);
147                ft.setToValue(1);
148                //ft.setCycleCount(Timeline.INDEFINITE);
149                ft.setAutoReverse(false);
150                
151                
152                ft.play();
153                contrlBox.setVisible(true);
154            });
155            
156            
157            
158        });
159
160        root.setOnMouseExited(event-&gt;{
161            Platform.runLater(()-&gt;{
162                FadeTransition ft = new FadeTransition(Duration.millis(500), contrlBox);
163                ft.setFromValue(1);
164                ft.setToValue(0.0);
165                ft.setAutoReverse(false);
166                
167                
168                
169                ft.play();
170                contrlBox.setVisible(false);
171            });
172        });
173        
174        //embeddedMediaPlayer.controls().setPosition(0.4f);
175    }
176
177    @Override
178    public final void stop() {
179        embeddedMediaPlayer.controls().stop();
180        embeddedMediaPlayer.release();
181        mediaPlayerFactory.release();
182    }
183
184    public static void main(String[] args) {
185        launch(args);
186    }
187}

ANSWER

Answered 2022-Feb-17 at 06:18

You appear to be using a Linux OS, try passing one or more of these system properties when you start your JVM:

1package my.javafx.myplayer;
2
3import javafx.animation.FadeTransition;
4import javafx.application.Application;
5import javafx.application.Platform;
6import javafx.beans.property.DoubleProperty;
7import javafx.geometry.Pos;
8import javafx.scene.Scene;
9import javafx.scene.control.Button;
10import javafx.scene.control.Label;
11import javafx.scene.control.ProgressIndicator;
12import javafx.scene.control.Slider;
13import javafx.scene.image.ImageView;
14import javafx.scene.layout.AnchorPane;
15import javafx.scene.layout.BorderPane;
16import javafx.scene.layout.FlowPane;
17import javafx.scene.layout.StackPane;
18import javafx.scene.paint.Color;
19import javafx.stage.Stage;
20import javafx.util.Duration;
21import uk.co.caprica.vlcj.factory.MediaPlayerFactory;
22import uk.co.caprica.vlcj.player.base.MediaPlayer;
23import uk.co.caprica.vlcj.player.base.MediaPlayerEventAdapter;
24import uk.co.caprica.vlcj.player.embedded.EmbeddedMediaPlayer;
25
26import java.util.ArrayList;
27import java.util.List;
28
29import static uk.co.caprica.vlcj.javafx.videosurface.ImageViewVideoSurfaceFactory.videoSurfaceForImageView;
30
31/**
32 *
33 */
34public class VlcjJavaFxApplication extends Application {
35
36    private final MediaPlayerFactory mediaPlayerFactory;
37
38    private final EmbeddedMediaPlayer embeddedMediaPlayer;
39
40    private ImageView videoImageView;
41    
42    Slider progress=new Slider();
43
44    public VlcjJavaFxApplication() {
45        this.mediaPlayerFactory = new MediaPlayerFactory();
46        this.embeddedMediaPlayer = mediaPlayerFactory.mediaPlayers().newEmbeddedMediaPlayer();
47        this.embeddedMediaPlayer.events().addMediaPlayerEventListener(new MediaPlayerEventAdapter() {
48            @Override
49            public void mediaPlayerReady(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
50                Platform.runLater(()-&gt;{
51                    progress.setValue(0);
52                    progress.setMax(embeddedMediaPlayer.media().info().duration());
53                    
54                    progress.setMin(0);
55                });
56            }
57            @Override
58            public void playing(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
59                
60            }
61
62            @Override
63            public void paused(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
64            }
65
66            @Override
67            public void stopped(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
68            }
69
70            @Override
71            public void timeChanged(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer, long newTime) {
72                Platform.runLater(()-&gt;{
73                    progress.setValue(newTime);
74                });
75                
76            }
77        });
78    }
79
80    @Override
81    public void init() {
82        this.videoImageView = new ImageView();
83        this.videoImageView.setPreserveRatio(true);
84
85        embeddedMediaPlayer.videoSurface().set(videoSurfaceForImageView(this.videoImageView));
86    }
87
88    @Override
89    public final void start(Stage primaryStage) throws Exception {
90        List&lt;String&gt; params = new ArrayList&lt;String&gt;();
91        params.add("/Users/baixq/Downloads/妙味课堂xhtml+css2/妙味课堂-XHTMLCSS2整站视频教程-4.avi");
92        if (params.size() != 1) {
93            System.out.println("Specify a single MRL");
94            System.exit(-1);
95        }
96        StackPane root=new StackPane();
97        //BorderPane root = new BorderPane();
98        root.setStyle("-fx-background-color: black;");
99
100        videoImageView.fitWidthProperty().bind(root.widthProperty());
101        videoImageView.fitHeightProperty().bind(root.heightProperty());
102
103        root.widthProperty().addListener((observableValue, oldValue, newValue) -&gt; {
104            // If you need to know about resizes
105        });
106
107        root.heightProperty().addListener((observableValue, oldValue, newValue) -&gt; {
108            // If you need to know about resizes
109        });
110        
111        
112
113        Scene scene = new Scene(root, 1200, 675, Color.RED);
114        primaryStage.setTitle("vlcj JavaFX");
115        primaryStage.setScene(scene);
116        
117        AnchorPane contrlBox=new AnchorPane();//操作面板上的控制模块
118        contrlBox.prefWidthProperty().bind(root.widthProperty());
119        contrlBox.prefHeightProperty().bind(root.heightProperty().multiply(0.1));
120        
121        BorderPane controlBar=new BorderPane();
122        controlBar.setStyle("-fx-background-color: #130c0e;");
123        controlBar.prefWidthProperty().bind(root.widthProperty());
124        controlBar.prefHeightProperty().bind(root.heightProperty().multiply(0.1));
125        controlBar.setCenter(progress);
126        Button fullScreen=new Button("全屏");
127        controlBar.setRight(fullScreen);
128        
129        contrlBox.getChildren().add(controlBar);
130        contrlBox.setBottomAnchor(controlBar, 0.0);
131        
132        
133        root.getChildren().addAll(videoImageView,contrlBox);
134        
135        
136        primaryStage.show();
137        embeddedMediaPlayer.media().play(params.get(0));
138        
139        fullScreen.setOnAction(event-&gt;{
140            primaryStage.setFullScreen(true);
141        });
142
143        root.setOnMouseEntered(event-&gt;{
144            Platform.runLater(()-&gt;{
145                FadeTransition ft = new FadeTransition(Duration.millis(500), contrlBox);
146                ft.setFromValue(0.0);
147                ft.setToValue(1);
148                //ft.setCycleCount(Timeline.INDEFINITE);
149                ft.setAutoReverse(false);
150                
151                
152                ft.play();
153                contrlBox.setVisible(true);
154            });
155            
156            
157            
158        });
159
160        root.setOnMouseExited(event-&gt;{
161            Platform.runLater(()-&gt;{
162                FadeTransition ft = new FadeTransition(Duration.millis(500), contrlBox);
163                ft.setFromValue(1);
164                ft.setToValue(0.0);
165                ft.setAutoReverse(false);
166                
167                
168                
169                ft.play();
170                contrlBox.setVisible(false);
171            });
172        });
173        
174        //embeddedMediaPlayer.controls().setPosition(0.4f);
175    }
176
177    @Override
178    public final void stop() {
179        embeddedMediaPlayer.controls().stop();
180        embeddedMediaPlayer.release();
181        mediaPlayerFactory.release();
182    }
183
184    public static void main(String[] args) {
185        launch(args);
186    }
187}-Dprism.dirtyopts=false
188

1package my.javafx.myplayer;
2
3import javafx.animation.FadeTransition;
4import javafx.application.Application;
5import javafx.application.Platform;
6import javafx.beans.property.DoubleProperty;
7import javafx.geometry.Pos;
8import javafx.scene.Scene;
9import javafx.scene.control.Button;
10import javafx.scene.control.Label;
11import javafx.scene.control.ProgressIndicator;
12import javafx.scene.control.Slider;
13import javafx.scene.image.ImageView;
14import javafx.scene.layout.AnchorPane;
15import javafx.scene.layout.BorderPane;
16import javafx.scene.layout.FlowPane;
17import javafx.scene.layout.StackPane;
18import javafx.scene.paint.Color;
19import javafx.stage.Stage;
20import javafx.util.Duration;
21import uk.co.caprica.vlcj.factory.MediaPlayerFactory;
22import uk.co.caprica.vlcj.player.base.MediaPlayer;
23import uk.co.caprica.vlcj.player.base.MediaPlayerEventAdapter;
24import uk.co.caprica.vlcj.player.embedded.EmbeddedMediaPlayer;
25
26import java.util.ArrayList;
27import java.util.List;
28
29import static uk.co.caprica.vlcj.javafx.videosurface.ImageViewVideoSurfaceFactory.videoSurfaceForImageView;
30
31/**
32 *
33 */
34public class VlcjJavaFxApplication extends Application {
35
36    private final MediaPlayerFactory mediaPlayerFactory;
37
38    private final EmbeddedMediaPlayer embeddedMediaPlayer;
39
40    private ImageView videoImageView;
41    
42    Slider progress=new Slider();
43
44    public VlcjJavaFxApplication() {
45        this.mediaPlayerFactory = new MediaPlayerFactory();
46        this.embeddedMediaPlayer = mediaPlayerFactory.mediaPlayers().newEmbeddedMediaPlayer();
47        this.embeddedMediaPlayer.events().addMediaPlayerEventListener(new MediaPlayerEventAdapter() {
48            @Override
49            public void mediaPlayerReady(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
50                Platform.runLater(()-&gt;{
51                    progress.setValue(0);
52                    progress.setMax(embeddedMediaPlayer.media().info().duration());
53                    
54                    progress.setMin(0);
55                });
56            }
57            @Override
58            public void playing(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
59                
60            }
61
62            @Override
63            public void paused(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
64            }
65
66            @Override
67            public void stopped(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer) {
68            }
69
70            @Override
71            public void timeChanged(uk.co.caprica.vlcj.player.base.MediaPlayer mediaPlayer, long newTime) {
72                Platform.runLater(()-&gt;{
73                    progress.setValue(newTime);
74                });
75                
76            }
77        });
78    }
79
80    @Override
81    public void init() {
82        this.videoImageView = new ImageView();
83        this.videoImageView.setPreserveRatio(true);
84
85        embeddedMediaPlayer.videoSurface().set(videoSurfaceForImageView(this.videoImageView));
86    }
87
88    @Override
89    public final void start(Stage primaryStage) throws Exception {
90        List&lt;String&gt; params = new ArrayList&lt;String&gt;();
91        params.add("/Users/baixq/Downloads/妙味课堂xhtml+css2/妙味课堂-XHTMLCSS2整站视频教程-4.avi");
92        if (params.size() != 1) {
93            System.out.println("Specify a single MRL");
94            System.exit(-1);
95        }
96        StackPane root=new StackPane();
97        //BorderPane root = new BorderPane();
98        root.setStyle("-fx-background-color: black;");
99
100        videoImageView.fitWidthProperty().bind(root.widthProperty());
101        videoImageView.fitHeightProperty().bind(root.heightProperty());
102
103        root.widthProperty().addListener((observableValue, oldValue, newValue) -&gt; {
104            // If you need to know about resizes
105        });
106
107        root.heightProperty().addListener((observableValue, oldValue, newValue) -&gt; {
108            // If you need to know about resizes
109        });
110        
111        
112
113        Scene scene = new Scene(root, 1200, 675, Color.RED);
114        primaryStage.setTitle("vlcj JavaFX");
115        primaryStage.setScene(scene);
116        
117        AnchorPane contrlBox=new AnchorPane();//操作面板上的控制模块
118        contrlBox.prefWidthProperty().bind(root.widthProperty());
119        contrlBox.prefHeightProperty().bind(root.heightProperty().multiply(0.1));
120        
121        BorderPane controlBar=new BorderPane();
122        controlBar.setStyle("-fx-background-color: #130c0e;");
123        controlBar.prefWidthProperty().bind(root.widthProperty());
124        controlBar.prefHeightProperty().bind(root.heightProperty().multiply(0.1));
125        controlBar.setCenter(progress);
126        Button fullScreen=new Button("全屏");
127        controlBar.setRight(fullScreen);
128        
129        contrlBox.getChildren().add(controlBar);
130        contrlBox.setBottomAnchor(controlBar, 0.0);
131        
132        
133        root.getChildren().addAll(videoImageView,contrlBox);
134        
135        
136        primaryStage.show();
137        embeddedMediaPlayer.media().play(params.get(0));
138        
139        fullScreen.setOnAction(event-&gt;{
140            primaryStage.setFullScreen(true);
141        });
142
143        root.setOnMouseEntered(event-&gt;{
144            Platform.runLater(()-&gt;{
145                FadeTransition ft = new FadeTransition(Duration.millis(500), contrlBox);
146                ft.setFromValue(0.0);
147                ft.setToValue(1);
148                //ft.setCycleCount(Timeline.INDEFINITE);
149                ft.setAutoReverse(false);
150                
151                
152                ft.play();
153                contrlBox.setVisible(true);
154            });
155            
156            
157            
158        });
159
160        root.setOnMouseExited(event-&gt;{
161            Platform.runLater(()-&gt;{
162                FadeTransition ft = new FadeTransition(Duration.millis(500), contrlBox);
163                ft.setFromValue(1);
164                ft.setToValue(0.0);
165                ft.setAutoReverse(false);
166                
167                
168                
169                ft.play();
170                contrlBox.setVisible(false);
171            });
172        });
173        
174        //embeddedMediaPlayer.controls().setPosition(0.4f);
175    }
176
177    @Override
178    public final void stop() {
179        embeddedMediaPlayer.controls().stop();
180        embeddedMediaPlayer.release();
181        mediaPlayerFactory.release();
182    }
183
184    public static void main(String[] args) {
185        launch(args);
186    }
187}-Dprism.dirtyopts=false
188-Dprism.forceUploadingPainter=true
189

This is mentioned under "Linux notes" here: https://github.com/caprica/vlcj-javafx-demo/tree/vlcj-5.x

I have seen similar painting glitches on Linux before and in all cases using these properties, at least for me, clears the issue with only a small hit to performance - even when doing something like a full-screen grid of nine concurrent media players, where each one had an animating video controls overlay.

Source https://stackoverflow.com/questions/71152176

QUESTION

Replacing YouTube HTML links with embed code

Asked 2022-Jan-30 at 22:33

I'm writing web pages in markdown and converting them to HTML using md2html tool. I want to process the output HTML file and find any youtube link like this:

<a href="https://www.youtube.com/watch?v=abcdefgh887">https://www.youtube.com/watch?v=abcdefgh887</a>

and replace it with the embed code:

<iframe width="560" height="315" src="https://www.youtube.com/embed/abcdefgh887?controls=0" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

I toyed around a little with Grammars, mostly to get familiar with them, but concluded this probably isn't the ideal tool for the job. Plus I'd prefer to use existing modules that are easily adaptable to other similar tasks rather than roll my own half-baked solution.

Perl5 has some good tools for this kind of thing but I'd like to use a pure Raku solution so I can learn more Raku.

Any recommendations for good approaches to this problem?

ANSWER

Answered 2022-Jan-28 at 20:31

I tried to answer your question without knowing an example.

You need to extract youtubeId from A tag and then replace A tag into iframe tag.

pseudo code is:

1for each line:
2   if is youtube A tag,
3       youtube A tag = youtube Iframe tag
4

Please paste your input file into my input variable.

1for each line:
2   if is youtube A tag,
3       youtube A tag = youtube Iframe tag
4const input = `
5text1
6&lt;a href="https://www.youtube.com/watch?v=youtubeId1"&gt;https://www.youtube.com/watch?v=youtubeId1&lt;/a&gt;
7text2
8text3
9&lt;a href="https://www.youtube.com/watch?v=youtubeId2"&gt;https://www.youtube.com/watch?v=youtubeId2&lt;/a&gt;
10`;
11
12const rx = /^.*(?:(?:youtu\.be\/|v\/|vi\/|u\/\w\/|embed\/)|(?:(?:watch)?\?v(?:i)?=|\&amp;v(?:i)?=))([^#\&amp;\?&lt;]*).*/;
13
14const getYoutubeIframe = (youtubeId) =&gt; {
15   return `&lt;iframe width="560" height="315" src="https://www.youtube.com/embed/${youtubeId}?controls=0" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen&gt;&lt;/iframe&gt;`
16}
17
18const output = input.split('\n').map(line =&gt; {
19   const youtubeLink = '&lt;a href="https://www.youtube.com/watch?v=';
20   if (line.trim().indexOf(youtubeLink) === 0) {
21      const youtubeId = line.match(rx)[1];
22      return getYoutubeIframe(youtubeId);
23   }
24   return line;
25}).join('\n');
26
27console.log(output);