HTML5 Application Optimization

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This article provides tips on how to optimize the client part of large-scale Web projects (most of the recommendations also apply to small projects, however). Just within a few years, Web sites have made a giant leap, having evolved from simple static pages to complex applications. The website frontends have as dramatically grown in size and logic, and now they demand no less attention in the context of optimization than backends, as the frontends are responsible for interacting with the users. Continue reading →

iOS DRM: Secure iOS Video Delivery and Playback

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HTTP Live Streaming (HTTP LS) is a protocol strongly recommended and actively promoted by Apple as the best solution for online video delivery to mobile devices. But neither the protocol itself, nor its tools offered by the iOS API, implement a full-fledged DRM support. The new version of Adobe Access 4.0 adds this missing functionality to the iOS-devices. Continue reading →

Overviewing Best Practices in iOS Application Development

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It is usually said, that the most important driver behind Apple’s mobile devices popularity is its maximum attention to detail. Small, seemingly insignificant details make up product’s appeal for the end user. But to develop a good application, it is not sufficient to give heed to detail at the user interface level. You need to be aware of and comply with the best practices at all stages of development, from design to support. This paper gives an overview of such best practices presented both by Apple and by independent iOS developers. Continue reading →

How to Develop Large-Scale JavaScript Based Applications

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Development of interactive Web services involves extensive use of JavaScript. If 10 years ago the language had but a meager functionality, today JS has substantially transformed. Therefore, more of service logics is moved to the client side. In this post, we will share with you our hands-on experience in designing and implementing large-scale Web applications. Continue reading →

Handling Camera in iOS Applications

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In the latest iOS based devices, camera is a major driver of popularity of these devices. The capability to capture video and encode it to H.264 High Definition on the hardware level that emerged in iPhone 4, has been accepted enthusiastically by both users and developers of new applications. Continuing our series dedicated to AV Foundation and the related frameworks, in this post we will discuss how to capture a stream from the camera and how to process, save and distribute it. Continue reading →

Video Playback in iOS Applications

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iOS video player

Apple iOS mobile devices have deservedly won universal popularity among the customers. Every Apple’s event is followed with a keen interest as the people expect the emergence of new functionality and improvement of existing features. But the common users can only skim the surface, assessing the externals of the product. Much more is visible to the developers. Of all the four-day WWDC event, the public attention has been given to the keynote presentation only, giving an overview of all the major innovations. All the other presentations, totaling to about one hundred, have been dedicated to the developers. From this ratio, we can estimate the hidden mass of the iceberg, which is no less fascinating than its tip. Starting a series of posts on iOS based development, we will tell you of the Apple devices built-in frameworks to support online video handling. Continue reading →

OTT: Video Services on LG TV

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Over the past two years, we have witnessed a rapid growth of a new trend in the mass TV set market. Next generation TV sets that are connected to the Internet and empowered with an application platform, are becoming exceedingly popular. Like with smart phones, the TV applications can be supplied with a device or installed from a directory. The mass media and promotional publications often dub such an approach as "Smart TV" or, less frequently, "Connected TV" or "Hybrid TV". We believe that this trend is mostly neglected today by the developer community. It is little written and spoken about, but at the same time, it offers tremendous opportunities to attract that part of the audience which is poorly or even not yet covered by the ubiquity of computer and smart phone technology. In particular, for applications designed to deliver video content, the television video platforms are a natural environment, and they should be given the same attention as the mobile applications. Continue reading →

OTT: Video Services on Samsung TV

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Samsung SmartTV Based Development

Every day, more Connected TVs emerge, so it is a high time to consider delivering your content right to your user bedroom. Doing this is pretty easy, you just need to develop a proper application. However at this time, the development process is different for each TV brand, which somewhat complicates the issue. Today, we will brief you on application development for Samsung SmartTV. Continue reading →

Wowza Transcoder AddOn

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Wowza-Transcoder

Following our latest review of the features of Wowza Media Server, let’s now look at how to transcode video streams using this plugin. This feature is helpful when you only have a single source of high quality video and you would like to deliver the video to multiple devices. Yet another example is video stream failback to audio only in an iOS application (AppStore’s requirement), where you need an additional stream with cut-off video. A typical approach to this problem requires a transcoder (you can also generate an audio only stream using the new Adobe Media Server 5.0). Usually, a transcoder is a separate server optimized for video handling. Wowza offers an alternative: transcoding at the media server level. Let’s look at how it works in more detail. Continue reading →