mediathread | Django application for multimedia annotations facilitating collaboration on video and image analysis | Video Utils library

 by   ccnmtl JavaScript Version: 2020.fall.0 License: Non-SPDX

kandi X-RAY | mediathread Summary

kandi X-RAY | mediathread Summary

mediathread is a JavaScript library typically used in Video, Video Utils applications. mediathread has no bugs, it has no vulnerabilities and it has low support. However mediathread has a Non-SPDX License. You can download it from GitHub.

Mediathread is a Django site for multimedia annotations facilitating collaboration on video and image analysis. Developed at the Columbia Center for New Media Teaching and Learning (CCNMTL). CODE: INFO: FORUM:
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              mediathread has a low active ecosystem.
              It has 80 star(s) with 35 fork(s). There are 12 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 7 open issues and 32 have been closed. On average issues are closed in 186 days. There are 4 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of mediathread is 2020.fall.0

            kandi-Quality Quality

              mediathread has no bugs reported.

            kandi-Security Security

              mediathread has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              mediathread has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              mediathread releases are available to install and integrate.
              Installation instructions, examples and code snippets are available.

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            Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of mediathread
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            mediathread Key Features

            No Key Features are available at this moment for mediathread.

            mediathread Examples and Code Snippets

            No Code Snippets are available at this moment for mediathread.

            Community Discussions

            QUESTION

            Qt QQuickFramebufferObject OpenGL rendering invades other object's scenes and is red
            Asked 2020-Apr-15 at 11:03

            I know that a minimal complete and verifiable example is generally needed, but this example cannot be broken into a smaller one because there's too much libraries needed to get and decode a video from my security camera. I hope someone can help me by pointing possible simple mistakes in rendering using QQuickFrameBufferObject.

            The two problems I'm having is that the images are RED and the image from one object invades the space of the other object in a very inexplicable way. In the image above you can see what should be 4 different camera feeds which are instantiated through QML.

            Here's the class that renders everything. YUV420P data is feeded using the update() function. You can see the simple shader that decodes YUV420P into RGB. Each QML object (camera stream) is one instance from this class.

            OpenGlBufferQtQuick.cpp:

            ...

            ANSWER

            Answered 2019-Mar-16 at 01:19

            I payed someone to help me and the problem was that the texture shader wasn't activated. These are the changes:

            https://github.com/lucaszanella/orwell/commit/b2882768badb16e4334bc2bd0371611221283e97#diff-b089e4d46edc159fb6e7de932e64219b

            Basically:

            Source https://stackoverflow.com/questions/55113102

            QUESTION

            Rendering video in QT/OpenGL using updatePaintNode: new frame only appears when I resize screen
            Asked 2019-Jul-01 at 23:32

            I'm writing an OpenGL video renderer in Qt and it's almost working. It'll only render the video if I resize the window. So every time I resize the window, a new frame is drawn on the screen. I think I'm forgetting to call some function after updating the frame.

            Here's the first frame, when there's no video data:

            After I resize the screen, a frame is drawn:

            ...

            ANSWER

            Answered 2019-Jul-01 at 23:32

            According to Qt documentation this is done by calling QQuickItem::update(). Note that you must set the flag QQuickItem::ItemHasContents on the item first.

            Update from comments

            When you uncomment item->update(); you get QObject::startTimer: Timers cannot be started from another thread, because of 2 things:

            1. The QQuickItem::update() forwards the request to the window and then to the platform adaptation. In some (all ?) cases, the implementation uses a QTimer to schedule the repaint.

            2. You call item->update(); not from the GUI thread. Likely you call it directly from the boost thread you use to read the video.

            So in the end, item->update(); fails to start the timer, and nothing happens.

            A solution can be to make sure you call QQuickItem::update() from the GUI thread.

            Maybe this should work:

            Source https://stackoverflow.com/questions/56842937

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install mediathread

            Build the database For Postgres (preferred): A. Create the database createdb mediathread. For MySQL: (Note: Mediathread is not well-tested on recent version of MySQL.) A. Edit the file requirements.txt - comment out the line psycopg2 - uncomment the MySQL-python line. B. Create the database. echo "CREATE DATABASE mediathread" | mysql -uroot -p mysql. Customize settings Create a local_settings.py file in the mediathread subdirectory. Override the variables from settings_shared.py that you need to customize for your local installation. At a minimum, you will need to customize your DATABASES dictionary. An example local_settings.py is available in our repository.
            Clone Mediathread git clone https://github.com/ccnmtl/mediathread.git
            Build the database For Postgres (preferred): A. Create the database createdb mediathread For MySQL: (Note: Mediathread is not well-tested on recent version of MySQL.) A. Edit the file requirements.txt - comment out the line psycopg2 - uncomment the MySQL-python line. B. Create the database echo "CREATE DATABASE mediathread" | mysql -uroot -p mysql
            Customize settings Create a local_settings.py file in the mediathread subdirectory. Override the variables from settings_shared.py that you need to customize for your local installation. At a minimum, you will need to customize your DATABASES dictionary. An example local_settings.py is available in our repository. For more extensive customization and template overrides, you can create a deploy_specific directory to house a site-specific settings.py file: $ mkdir deploy_specific $ touch deploy_specific/__init__.py $ touch deploy_specific/settings.py Edit the deploy_specific/settings.py and override values in settings_shared.py like the DATABASES dictionary. This is where we add custom settings and templates for our deployment that will not be included in the open-sourced distribution. An example deploy_specific setup is available in our repository.
            Build the virtual environment Bootstrap uses virtualenv to build a contained library in ve/. django.mk specifies the build target for creating the virtualenv, and running any of the targets specified in that file will automatically set this up. make
            Sync the database ./manage.py migrate
            Run locally (during development only) ./manage.py runserver myhost.example.com:8000
            The default database is not very useful. You'll need to create a course and some users. Login with the superuser you created in Step #5.
            Navigate to /admin/. Click Courses.
            Click the 'Add Course +' link. Click the "+" to make a group. Name it something like "test_course" Click the "+" to make a faculty group. Name it something like "test_course_faculty" In the "Add users to group" field... add yourself as a faculty member by putting your username with a "*" in front like this "*admin" add some fellow faculty/student accounts -- you can create new accounts right here (read the instructions under the textarea) Click "Save" and then click the upper-right link "Django administration" to get back to the regular site (yeah, not the most intuitive).
            Experiment with saving assets by visiting: http://myhost.example.com:8000/save/

            Support

            Our help documentation tailored for the Columbia community and our in-house video upload system is here: http://support.ccnmtl.columbia.edu/knowledgebase/topics/6593. And, Nate Autune helpfully added this a few months ago, "Thanks to Rebecca Darling from Wellesley College, who graciously gave permission to re-publish her "Mediathread Guide for Students" under a Creative Commons license. Here is a link to where you can download it: http://bit.ly/MediathreadStudentsGuide".
            Find more information at:

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