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Video Manipulations and Delivery for Angular Video Apps

On social media, videos posted by users constitute a significant amount of the content appeal on those platforms. From upload to manipulation to delivery, a smooth, efficient, and effective pipeline for the posting process is mandatory to ensure consistent user sessions and their steadily increasing volume. However, building such an infrastructure is a complex, labor-intensive, and problem-prone undertaking.

Enter Cloudinary, whose capabilities impressively form such an infrastructure. This article shows you how to manipulate, transform, and deliver videos in Angular apps with Cloudinary’s robust drop-in components.

To manipulate and transform videos while on Cloudinary, leverage the parameters in its Angular video component.

First, install the Cloudinary SDK for your Angular version. Type this NPM command:

npm install cloudinary-core @cloudinary/angular-5.x --save
Code language: CSS (css)

Afterwards, import from the SDK the <cl-video> component, which places in your app an HTML 5 video player. That player plays videos—whether in webm, ogv, or mp4 format—without a glitch on all major web browsers.


AngularJS 1.x developers: You can obtain the <cl-video> component by typing this Bower command line:

bower install cloudinary_ng#1.x --save
Code language: CSS (css)

You can now transform and manipulate videos with no need for a dedicated server. Read on for the specific tasks and their related procedures.

The format parameter takes one of these three values: webm, ogv, and mp4.

For example, to transcode the existing format of an Angular video called cat to the webm format, code as follows:

<cl-video public-id="cat" format="webm"> </cl-video>
Code language: HTML, XML (xml)

To concatenate multiple Angular videos by overlaying one on top of another, specify the related values for the overlay parameter for the <cl-video> and <cl-transformation> components. For example:

<cl-video public-id="footballer" > <cl-transformation width="400" height="250" crop="fill"> </cl-transformation> <cl-transformation overlay="video:ball" flags="splice" width="300" height="200" crop="fill"> </cl-transformation> </cl-video>
Code language: HTML, XML (xml)

The quality parameter takes any value between 0 and 100. The lower the value, the smaller the video size. By specifying a value for quality, you set the level of quality you desire for the video size at delivery.

For example:

<cl-video public-id="drink" > <cl-transformation quality="60"> </cl-transformation> </cl-video>
Code language: HTML, XML (xml)

While playing videos, users often accelerate or reduce the playback speed to accommodate various scenarios. For example, to watch as many course videos offered by a time-limited subscription as possible, a user might choose to skim through some of them.

To enable control of playback speed, specify a value of between -50 and 100 for the accelerate attribute in the effect parameter.


That value applies to both acceleration and deceleration. For example:

<cl-video public-id="dog" > <cl-transformation width="300" effect="accelerate:100" crop="scale"> </cl-transformation> </cl-video>
Code language: HTML, XML (xml)

AI automatically identifies the appealing excerpts of a video and generates a preview version of the duration that you specify. Code as follows:

<cl-video public-id="afcon" > <cl-transformation effect="preview:duration_10"> </cl-transformation> </cl-video>
Code language: HTML, XML (xml)

The value 10 above denotes 10 minutes. You can specify any value between [?] and [?].


This feature, currently in Beta, truly rocks! Do take a spin with it. You’ll be awed.

To add a caption to a video, specify the caption’s font type, font size, wording, and such for the text attribute in the overlay parameter. Here is a self-explanatory code example:

<cl-video public-id="dog" > <cl-transformation overlay="text:arial_60:Angular%20Video" gravity="south" y="80" start-offset="2" end-offset="5"> </cl-transformation> </cl-video>
Code language: HTML, XML (xml)

As soon as that video called dog starts playing, its text caption, Angular Video, is displayed.

To add subtitles to a video as an overlay, specify in the overlay parameter the font type and size that you desire along with the name of the related SRT file. For example:

<cl-video public-id="cat" > <cl-transformation overlay=""> </cl-transformation> </cl-video>
Code language: HTML, XML (xml)

Reminder: Be sure to upload the file to Cloudinary first.

For other transformations you can apply to Angular videos, see the related documentation.

The following Cloudinary documentation contains many nuances that are worth a look:

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