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The FIFO mechanism is used when two unrelated processes need to communicate. It's a full-duplex that allows both co-operating processes to communicate. In FIFO, one process sends the message first to another while the other waits for its turn and vice versa.

In direct communication, all the processes must name each other explicitly. A link is established between the two co-operating processes, and every pair can have one link at max.

In indirect communication, the communication link is only established when the co-operating processes share a standard mailbox. It means there might be several links between processes. Similarly, a single link can also communicate with multiple processes.

Other approaches are available, like IPC implementation through sockets, files, and signals, but let's briefly discuss the primary models of IPC.

We have studied various implementations for IPC, but the co-operating process requires an efficient message exchange mechanism. There are the following two primary models used for efficient inter-process communication:

In this mechanism, communication occurs by exchanging messages among the peer processes. The process communicates with each other without involving any extra shared memory or variables. To communicate, the process develops a communication link first and starts exchanging messages using two primitives:

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Elizabeth City is a city in Pasquotank County, North Carolina, in the United States As of the 2010 census, it had a population of 18,683 Elizabeth City is

Adobe After Effects is not a traditional video editing software, it is mainly a software that is used to add effects to a video that has been processed. However, it can also be used to combine clips using a certain method which is described in the steps mentioned below.

If you want to know how to merge layers in After Effects. In the end, we will also let you know how to merge videos in another way. Continue reading!

Merging layers in After Effects is so easy to understand if you follow the steps below.

Step 1: Import videos

Start the program and open the files in the project panel that you wish to combine. Drag and drop each file from the project panel to the timeline panel provided at the bottom.

Step 2: Sequence layers

Right click on the video file at the bottom left corner. Select Keyframe Assistant > Sequence Layers. Then a pop-up window will appear. Click OK.

Step 3: Export

Then you will find the two video clips are seamlessly mergered together. Now save changes and export.

After Effects because of its limitations as a video editing program is often not recommended for the job, but there are many free alternatives out there that can be used instead for better user experience and improved results. The top 5 of which are listed below:

This open source program is an efficient video effect software alternative to After Effects which provides many exciting features such as compositing, 3D text effects, adding motion effects etc.

Features

In Wondershare Filmora, several video editing tools are helpful for editors and designers to create beautiful videos. It can also merge and join the clips to make it one just in a few steps explained below.

Features:

Joining the videos more easily in Wondershare Filmora:

The Join feature is present in Wondershare Filmora for combing the number of videos into one. There are several video clips available in the sequence to join them by using this feature. It helps in placing all the video clips in the order of your own choice. All the videos become one just by joining or combining after the Export.

Step 1: Importing of the video files:

After the installation of the Wondershare Filmora, you need to load the video clips. Click on the Import for adding your files, or you can even drag them in the library.

Step 2: Merging of the videos by drag and drop:

Merge the videos just by dragging and dropping them from the library to the timeline.

Step 3: Trimming the video:

The option for trimming the videos is also available just by clicking on the video. Keep moving the playhead from where you want to trim the video and click the icon of slipt visible on the toolbar. Take the playhead to the other frame and click the icon again.

Step4: Adding the transition:

The transition effects are also available in Wondershare Filmora for making the videos more presenting and different. Click the transitions and drop the impact on your video clips for adding the transitions on the top. Click the transition and apply to favorite.

Step 5: Exporting the merge file:

After the completion of modifications, click on Export for exporting the video to your portable device.

This is an open source program that runs freely on all operating systems including MaC, Windows and Linux. It provides users the opportunity to perform 3D modeling as well as video effects effectively.

Features

The interface and concepts of this open source program were mainly derived from a previous software called “Nuke”. It is also a video effects and composite software which provides many new features and efficient tools for high speed and maximum quality composite results.

Features

Maya is a helpful software that allows the users to create 3D models, animations and helps compositors get the job done quickly. It has a very interactive user interface as well.

Features

As the catchy name of the software suggests it provides thrilling options and features to its users along with plenty of aesthetics in the user interface. It is even referred to the “highest speed compositor of the present market”. It provides certain features such as, 3D modeling, adding effects, stereo sounds etc.

Features

Now you must know how to combine videos in Effects. After Effects as a professional video editor is powerful, but it is so difficult to use. However, if you want to have a much easier editing experience, consider Wondershare Filmora to combine videos, which can combine clips in three very simple steps as mentioned below, making the task much more time saving and easy without compromising the quality of the results. You can also make various effects just from dragging and dropping. Download it now to have a try (Free)!