HTTP Live Streaming (HLS) is here to stay. It works everywhere, with high quality and stability, but latency or delays between the stream and the end-user can be 60-90 seconds if you are streaming live events. That can be a very big issue. Imagine sports betting?
But with the Wowza Streaming Engine, it is possible to reduce the latency to 3 to 5 seconds.
It is not good enough, but for now, there is no other solution.

Below we have some adjustments that using the Wowza Streaming Engine Manage, which is the main software we use for the RTMP Server, we can easily improve, although, of course, there are some negative components.

These risks inherent in the configuration adjustments are due to smaller chunk sizes and may result in playback errors if you fail to increase the number of seconds built into the playlist. If a stream is interrupted, and the player requests the next playlist, the stream may be interrupted when the requested playlist doesn’t arrive.

rtmp server for live streaming

Additionally, by increasing the number of segments that are needed to create and deliver low-latency streams, you also increase the server cache requirements. To alleviate this concern, ensure that your server has a large enough cache, or built-in elasticity. You will also need to account for greater CPU and GPU utilization resulting from the increased number of keyframes. This requires careful planning for load balancing, with the understanding that increased computing and caching overhead incurs a higher cost of operation.

Lastly, as chunk sizes are smaller, the overall quality of the video playback can be impacted. This may result in either not being able to deliver a full 4K video to the player, or small playback glitches with an increased risk of packet loss. Essentially, as you increase the number of bits (markers on the chunks), you require more processing power to provide smooth playback; without it, you get packet loss and interruptions.

A- In Wowza Streaming Engine Manager, click the Applications tab and then click live in the contents panel.

On the details page Properties tab, click Cupertino Streaming Packetizer in the Quick Links bar.

In the Cupertino Streaming Packetizer area, click Edit, and change the values for the following properties:

1- cupertinoChunkDurationTarget- Set the duration of each chunk in milliseconds. The default value is 10000, but the chunkDurationTarget must be smaller to reduce the latency of Apple HLS streams. For a one-second chunk size, set the value to 1000.

2- cupertinoMaxChunkCount- Sets the maximum number of chunks Wowza Streaming Engine stores in the available chunk list. The default value is 10, but for reduced latency streaming we recommend storing 50 seconds worth of chunks. For one-second chunks, set the cupertinoMaxChunkCount to 50; if you’re using half-second chunks, the value should be doubled (100).

3-cupertinoPlaylistChunkCount-Sets the number of items returned to the player in the playlist. The default value is 3, but for reduced latency streaming, we recommend returning 12 seconds of data to the player. This prevents the loss of chunks between chunklist requests. For one-second chunks, set the cupertinoPlaylistChunkCount to 12; if you’re using half-second chunks, the value should be doubled (24).

Click Save.

B- On the Properties tab, click Custom in the Quick Links bar.

In the Custom area, click Edit.

Click Add Custom Property, specify the following custom property settings in the Add Custom Property dialog box, and then click Add:

1- In Path, select /Root/Application/LiveStreamPacketizer.

2- In Name, enter cupertinoMinPlaylistChunkCount.

3- In Type, select Integer.

4- In Value, specify the minimum number of chunks required before the Wowza Streaming Engine provides a playlist to the player. The default value is 1, but for reduced latency streaming, we recommend requiring a minimum of 6 seconds’ worth of chunks. For one-second chunks, set the cupertinoMinPlaylistChunkCount to 6; if you’re using half-second chunks, the value should be doubled (12).

Click Save and restart the application to apply the changes.

Done. Try now. Our RTMP server should now stream live with lower latency.

RTMP Server in the era of HTTP video streaming

Given the growing popularity and support of HTTP video streaming, it may be tempting to consider Real Time Messaging Protocol (RTMP) streaming obsolete. But in many cases, working with RTMP server is still very meaningful. As soon as Macromedia first pronounced RTMP with Flash Player 6 in 2002, the brand new Macromedia Flash Communication Server MX (FCS) required to stream the evolving Flash Video (FLV) format, stream was live or VOD.

However, for FCS, licensing costs were high (up to $5,000 per server), and as a result, CDN costs were high than other proprietary streaming formats. Some manufacturers in the industry have called RTMP streaming costs a “Flash tax”. But Flash Player has been a ubiquitous introduction to desktop browsers for well over a decade, much larger than other plug-ins. Though, streaming server technology has traditionally been harder for web developers to implement, and simpler HTTP delivery has mostly been easier and more cost-effective. In 2003, Macromedia enabled Flash Player 7 to support HTTP delivery of FLV files, allowing integrators to use standard web server technology to deploy online video.

So in many ways, RTMP as a VOD transport delivery has not been a requirement for web video for more than a decade. As a video solution architect, I think of business requirements as the leader in most audio video decisions. And still, in 2014, RTMP is the de facto standard for the following use cases:

Publishing live streams from software/hardware encoders: Almost all streaming devices support RTMP to publish to CDN providers and streaming servers. Some native mobile applications also use RTMP libraries to publish live video from their mobile camera.

Near-instant search/playback: One of the benefits of RTMP streaming is its enhanced search capability. With real-time streaming, the player can search anywhere in the video with less buffering than HTTP delivery. However, to enjoy this feature, you need a Flash Player on your desktop and as such, it is not possible in mobile browsers. HTML5 browsers use HTTP domain requests to facilitate faster searching of VOD files.

Content Protection: RTMP Server can facilitate different levels of content protection, from obfuscation to true DRM. RTMP streams are not stored for playback on a desktop browser.

Adaptive Streaming: One of the preferred uses of RTMP is adaptive streaming playback, where we provide the video player with more bitrates and content resolutions, providing the best resolution at the current network speed. Some HTTP adaptive streaming technologies, such as HLS and MPEG-DASH, allow similar delivery, but RTMP may be more responsive to switching one bitrate to another. Unfortunately, there is no standard for HTTP adaptive streaming between HTML5 video-enabled browsers. As such, the Flash-based display of adaptive streaming is still a requirement for adaptive streaming.

Live Streaming Playback: While live streams do not need to be adaptive, compressed video segments apply the same principle to all live streaming playback. For desktop playback within the browser, virtually every live streaming event requires a video player that supports Flash-based rendering and RTMP playback. Apple Safari on iOS natively supports HLS, and luckily, all modern streaming servers, including the Wowza Streaming Engine, support RTMP and HLS compression.

The requirement for a Live Streaming Flash Player will only change if MPEG-DASH appears everywhere as Flash currently. If Internet Explorer 8, 9 and 10 support is required to install live streaming, then RTMP streaming is still required. Also, if you need a delay close to zero in a live stream, then HTTP streaming will almost certainly not meet your needs while RTMP is capable; HTTP mechanisms require that multiple packets be collected on the server before being sent to the video player.

In summary, if your video workflow involves live streaming or any kind of packaged video installation, RTMP is the key to a successful video experience. HTTP delivery has already replaced most Flash VOD installs on video, but HTTP video can’t handle all RTMP video use cases.

rtmp streaming with gocoder

Another important setup on Red5 Server is the Python Hosting offered to all hosting customers, with python cpanel hosting the advantage is cheaper and easier to install and run python scripts on a normal hosting. With Python Hosting and rtmp server the customer can really start a webmasters and increase a number of usages to host python scripts or even video chat or live streaming.

As my university professor used to say the computers language for the next 50 years will be python, fast, easier with multiple modules which allow any developer to start an application running python is a few short hours.

Ethiopia Web Hosting and Web Design

Web design is a web development process that creates a website that has a good layout, graphic design, typography, user interface, etc to make it appealing to users and easy to use. Starting a business requires the implementation of the business plan but sustaining and maintaining requires tremendous efforts because at this stage the effectiveness and proficiency of the business plan and strategies in achieving the desired goal are put to test. Livin in a digital world, web design is an important part of the online marketing platforms and strategies that must be properly utilized to skyrocket your business to achieve your business goal. The importance of good web design to your business include

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Website is essential for sustainable growth of business but when poorly designed will not yield the desired result thus choosing an expert in web designing must be done with care to maximize utilization of time and money and prevent damage to your business because web design services vary in quality depending on the competency and experience of the expert hired. In need of high-quality web design at an affordable price, prove your seriousness by patronizing and buying the unprecedented and transcendent services of Ethiopia Web Hosting and Design company where customers expectations metamorphose into fruition.

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Web design is multi-facet discipline involving web graphic design, user interface design, typography, and standard code and Search Engine Optimization. We have competent and savvy personnel who tangle as a team to create a website that has these following features:

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Video On-Demand Streaming with our RTMP

Video On-Demand on our control panel is very easy to manage. After you order, your email will be your username, and you can select a new password.You need to login to this control panel, which we call Wowza control, as our main core on the server is the Wowza streaming engine. After you have logged in to the Wowza control panel, you will see the services available. You can have a number of services with our RTMP Server, including live streaming, video on-demand, and so on. Select the service you want to start and then click Overview just under Options. Please see the image with the black arrow.

rtmp overview

After you click Overview, an On Demand Streaming page will open. A small player will appear, which, if you click to play, shows a video file we use as the default video on the system.On top there is a menu with some links. One of these is “HTML Embed Code”. On this service the main player will just show the default video. Other links on the top menu are for Stats, IP and countries where your viewers are located. Don’t worry about data transfer if you are on one of our bigger packages, as we provide unlimited traffic.At the bottom, you have two important links, “File Manager” and “Build Playlist” (see image).

First, you need to upload your files. Click “File Manager” and you have 2 options. FTP, or just drag the files with your mouse and drop them on the file window (see image).

After you upload, be aware that the files must be in MP4 format, and pay attention to the bitrate, which will depend on your package. If the file is over the bitrate allowed, you cannot include it on the playlist.Now go back to your service and click on “Build Playlist”. You can create a new playlist, or if you already have one, you can manage it here.

On the left, you have your files, on the right is your playlist. Drag the files on the left to right with your mouse. If it shows red, it is be 104.156.206.135 cause your bitrate is too high for the bitrate in your package. You can encode your files to reduce the bitrate.

Save your playlist and the click HTML Player (see image).

Select the player you want and then click Apply. Copy the code on the right and paste it on your site.

Web Site Management

Hosting Marketers is offering new services to their customers,

Web Site Management

Realizing the difficulty  of hiring trusted web developers, Hosting Marketers is now offering in-house site installation, script upgrades and if anything goes wrong sites fixes.

They also offering web design at very affordable  prices, starting at $60 for a 5 page wordpress site.

They offering also SEO expertize starting at $50 for On-page Analysis.

Please visit https://hosting-marketers.com/hosting-marketers-services/ for more information.