The Power of Gaming Video Content

Why Gaming Videos Are Popular

Gaming videos have changed remarkably since YouTube’s inception in 2005. Consequently, gaming content has been extended to social media sites such as Instagram and Facebook thus making it more popular than ever before.

Surprising Gaming Statistics

The gaming industry is massive and inclusive. In the United States, 70% of Americans play video games, with the average gamer age being 34 years old and women accounting for 46% of gamers across the board. The demand for these games’ content is very high, shown by more than one billion hours that were spent only on watching YouTube Gaming Live during Q3 2021.

Steps to Create Engaging Gaming Videos

When creating videos that engage users, one must plan them thoroughly. These are the steps to follow in making such a video using Promo:

Define What You Want Your Video to Accomplish and Communicate

Before starting the creation of your video, it is important to understand what you want to achieve with it. So it must state its objectives and have an idea about the theme, whether it be driving social media interaction or acquiring new subscribers. Outline the video’s message for it to be both captivating and easy to comprehend.

Making Your Video Live

Several things are involved in making a video live:

• Footage: You can blend personal shots with stock ones; there are 110 million assets available at Promo’s library.
• Text: Ensure that your text matches the footage while using professional styles of writing.
• Branding: Watermark your video or use logos for brand placement.
• Music: Select music from either Promo’s library, or upload custom music pieces as well.

For example

Suppose you were recording a gameplay session on Aviator game, start by uploading your gameplay footage, put interesting text explaining how the game works, put some branding on it like your logo and add a feel-good soundtrack that captures excitement throughout the whole gaming experience

How to Make an Effective Call-to-Action (CTA)

Setting the CTA

A CTA tells viewers what you want them to do after watching your video. It could be subscribing to your channel, liking the video, or visiting your website. Ensure your CTA aligns with your video’s goal.

Reviewing Your Video

Review your video from a viewer’s perspective. Check the visuals, text, music, and CTA to ensure they support the overall message. Adding captions can also enhance the viewing experience for those watching on mute.

Sharing and Promoting Your Gaming Video

Once your video is ready, it’s time to share and promote it.

Sharing on Social Media

Share your video on various platforms directly from Promo’s Publish Page. Utilize each platform’s unique features to maximize reach.

Engaging with Your Audience

Engage with your viewers through comments and social media interactions. Building a community around your content can increase loyalty and viewership.

Types of Gaming Videos You Can Create

Different types of gaming videos can attract various audiences:

Gaming Reviews

Create balanced reviews covering the game’s story, design, and gameplay. Providing reliable reviews can help gain viewers’ trust.

Listicles

Listicles, such as “Top Five Games of the Month,” are appealing due to their concise and engaging format.

Gaming News

Share opinions on trending topics in the gaming world to attract viewers interested in the latest news.

Game Analysis

Offer in-depth analysis of games, focusing on their mechanics and strategies, to cater to more analytical viewers.

How-to Videos

Focus on specific aspects of games, providing solutions to common problems and engaging viewers who are looking for help.

The Aviator Game by Spribe

Simplicity and Speed

Aviator is simple yet exciting. Players must cash out before the plane flies away, creating an adrenaline-pumping experience.

Proven Fairness

The game employs “Provably Fair” technology, ensuring fairness and transparency in every round.

Demo Mode Availability

Aviator offers a demo mode, allowing players to practice and test their strategies before playing with real money.

Winning Strategies

Various strategies can be employed in Aviator, including Single Bet and Multi Bet strategies.

Example Strategies

• Min Risk: Cash out early for smaller, more consistent wins.
• Moderate Risk: Wait a bit longer for higher rewards, balancing risk and return.
• High Risk: Go for big wins by waiting until the plane is higher, accepting the higher risk of losing.

Availability on Any Device

Aviator is present on any gadget, hence enabling the players to enjoy it anywhere they are. Ideas that may help in increasing video viewership. If you want your gaming videos to be seen as widely as possible, follow these approaches.

Tips for Growing Your Video Views

Consistency

Make sure you post at least one video per week and stick to a regular schedule so that your subscribers stay interested.

Authenticity and Entertainment

Keep your videos genuine and captivating to maintain the viewer’s interest.

Creating a Great Thumbnail

An appealing thumbnail can drive up your video’s click-through rate significantly.

Utilizing YouTube Shorts

Develop brief, upright films which will attract new spectators, thereby maintaining your content fresh all the time.

The post Comprehensive Guide to Creating Gaming Videos with Aviator appeared first on Slidetalk.

Different Types and Costs of Video Editing Apps

The price of making a video editing application can differ significantly due to its attributes, intricacy and the platforms it supports. Generally, you could spend between $30,000 and $300,000 on just creating it. There are five main types of video apps, each being used for different purposes:

1. Video Recording Apps: Concentrate on producing high-quality videos.
2. Video Editing Apps: Offer options for trimming, merging clips and improving them.
3. Combined Recording and Editing Apps: These offer both recording and editing features.
4. Screen Recording Apps: allow individuals to capture their screen on a device.
5. Apps Combining Screen Recording and Editing: Where one records their footage at the same time as they edit it using the app itself.

This variety on the market consists of applications meant for basic recording purposes only, up to those designed with advanced editing capabilities and screen-capturing mechanisms too.

Popular Video Editing Apps

When designing an app, conducting market analysis is essential. Understanding competitors and the market they serve can be done by looking at popular video editing apps. The following are four highly recognized video editing applications:

Adobe Premiere Rush

Adobe Premiere Rush serves both professionals and amateurs using iOS, Android, and desktops. It has an in-built video recording feature, drag-and-drop editing ability, the ability to insert music or effects, as well as seamless social media connectivity. Adobe Cloud storage is available to users, allowing them to work with ease on any device. At $9.99 per month, one can subscribe to Splice, which offers strong editing tools along with cloud services.

Quik by GoPro

The company’s Quik app enables it to advertise its brand while being compatible with GoPro cameras. Key features include automatic video analysis, customizable titles and adjustable templates. It is free and works on both Android and iOS devices, thus making it reach a wide audience.

Splice

This application allows iOS users to perform different kinds of video edits that may involve the addition of texts, transitions, and music tracks, among others. Furthermore, it blends smoothly with the iTunes library for audio file importation through various options, like adding any song from the iTunes store free of charge or even using My Music section to pick songs already saved in your phone’s memory. The package comes with a subscription version that costs $9.99 every month, providing robust editing capabilities suitable for beginners as well as advanced users alike.

iMovie

iMovie is a free Apple app that provides several features, such as Hollywood-like trailers, templates, themes and 4K resolution support. It’s compatible with iOS and macOS. Hence, projects can be easily moved from one Apple device to another, making it the preferred choice of many Apple users.

Key Steps in Developing a Video Editing App

The creation of any video editing app involves careful planning and decision-making. The following are the most important steps:

Refining Your App Idea

To identify gaps and opportunities in the market, competitor research is crucial. Understanding what existing applications do well or not is important in creating an innovative solution that meets consumers’ needs.

Understanding Your Target Audience

Understanding who your target audience is paramount. Segment the audience by age groups, locations, interests or income ranges, among others. Get direct input from real users through a platform like Quora, or engage experienced software vendors to get a better view of what the market needs to develop.

Defining Essential Features

Define the essential features of your app, focusing on both the minimum viable product (MVP) and additional features. Must-have MVP features include trimming, merging files, adding music, colour correction, social sharing, and saving/loading videos. Advanced features might include syncing with music services, cloud storage, speed adjustments, and AI editing assistance.

Choosing the Right Monetization Strategy

Selecting a monetization model early in its development is crucial. Common models include in-app advertising, freemium, subscription, and premium. For example, Adobe Premiere Rush uses a subscription model, while Quick is free with potential in-app purchases. Consulting business analysts or conducting A/B testing can help determine the best strategy for your app.

Technical Challenges in Developing Video Editing Apps

Developing a video editing app involves overcoming various technical challenges, divided into Android and iOS development.

Challenges in Android Development

Android-specific challenges include video rendering speed, missing features in pre-made solutions, and implementing filters. Tools like FFmpeg and Transcoder can help, each with its pros and cons.

Challenges in iOS Development

iOS-specific challenges involve managing video and image orientation, precise merging of videos with pictures, and correctly adding audio tracks. Pixel accuracy and managing scalable audio volumes are critical for maintaining high-quality outputs. 

Recommended Tech Stack for iOS and Android

Developing video editing apps requires a robust tech stack. Here are some recommended technologies:

• Login and Authentication: Firebase
• Video Trimming and Editing: FFmpeg
• Social Network Sharing: Various SDKs (e.g., Facebook, Twitter)
• Cloud Storage: Amazon S3 or Google Cloud Storage
• User Interface: React Native or Flutter for cross-platform development

In conclusion, creating a video editing app involves careful planning, understanding market needs, and addressing technical challenges. 

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Table of Contents

1. Innovative Video Editing Techniques with Programming
2. Exploring the Power of Code in Film Editing
3. Top Programming Languages for Video Editors
4. Open-Source Software: A Treasure Trove for Film Editors
5. Shoppok: Your Go-To Shopping Website for Video Editing Equipment

1. Innovative Video Editing Techniques with Programming

The landscape of film editing has drastically evolved in recent years, thanks to the advent of digital technology and programming. Here are some groundbreaking video editing techniques that leverage the power of programming:

• Algorithmic Editing: Harness the power of algorithms to automatically trim, sequence, and assemble video clips, creating a cohesive narrative.
• Motion Graphics Integration: Use programming to integrate advanced motion graphics and visual effects seamlessly into your video projects.
• Audio Synchronization: Implement code to automatically sync audio tracks with video clips, streamlining the editing process and reducing manual effort.
• Automated Color Correction: Employ machine learning algorithms to automatically adjust and enhance the color palette of your footage, achieving a professional-grade cinematic look.

2. Exploring the Power of Code in Film Editing

As the boundaries between video editing and programming continue to blur, it’s essential to understand how code can revolutionize your editing process. Some key advantages of incorporating programming into your video editing workflow include:

• Efficiency: Automate repetitive tasks and streamline your workflow, enabling you to focus on the creative aspects of editing.
• Precision: Utilize code to perform intricate edits with pinpoint accuracy, ensuring a polished and professional end product.
• Customization: Tailor your editing tools and techniques to suit your unique requirements by leveraging the versatility of programming.
• Scalability: Develop your own suite of video editing tools and plugins to expand your editing capabilities and adapt to the ever-changing landscape of film editing.

3. Top Programming Languages for Video Editors

If you’re looking to dive into the world of programming for video editing, it’s crucial to choose the right programming language. Here are some of the top contenders:

• Python: A versatile and user-friendly language, Python offers a wide array of libraries and frameworks for video editing, such as OpenCV, MoviePy, and PyDub.
• JavaScript: With its powerful capabilities in web development and graphics, JavaScript is an excellent choice for creating browser-based video editing tools and integrating motion graphics.
• C++: Renowned for its high performance, C++ is the backbone of many professional-grade video editing software, making it a valuable language to master for aspiring film editors.

4. Open-Source Software: A Treasure Trove for Film Editors

Open-source software presents a wealth of opportunities for film editors looking to expand their toolkit and experiment with new techniques. Some noteworthy open-source video editing software options include:

• Blender: A powerful 3D animation and video editing software, Blender boasts a robust Python API for customization and automation.
• Shotcut: A cross-platform video editor, Shotcut offers a versatile editing environment and supports a wide range of video formats.
• Kdenlive: Built on the MLT Framework, Kdenlive is a flexible video editor with an intuitive interface, suitable for beginners and professionals alike.

By exploring these open-source tools, you can gain valuable insights into the inner workings of video editing software and even contribute to their development.

5. Shoppok: Your Go-To Shopping Website for Video Editing Equipment

Whether you’re just starting your journey in film editing or looking to upgrade your gear, having the right equipment is essential for achieving professional results. Shoppok is your go-to shopping website for a wide range of video editing equipment, from high-performance computers and graphics cards to state-of-the-art monitors and input devices.

Shoppok’s user-friendly interface makes it easy to search for and compare products, ensuring you find the perfect equipment to suit your needs and budget. Plus, with a strong community of buyers and sellers, you can also find great deals on pre-owned gear, helping you save on your investment.

As the worlds of video editing and programming continue to merge, there’s never been a more exciting time to be a film editor. Our Video Editor CodeCraft series aims to empower you with the knowledge and tools to harness the power of programming in your video editing journey. Stay tuned for more in-depth articles, tutorials, and resources that will help you master the art of film editing through programming.

The post Video Editor CodeCraft: Mastering the Art of Film Editing through Programming appeared first on Slidetalk.

Part 1: Top Video Editor Software Showdown

Whether you’re a professional videographer, an aspiring YouTuber, or just someone looking to spice up their home videos, the right video editor software can make all the difference. Let’s dive into some of the industry’s leading options.

1. Adobe Premiere Pro

As one of the industry standards in video editing, Adobe Premiere Pro offers a plethora of powerful features and a highly customizable interface. Catering to both beginners and professionals, this software is known for its seamless integration with other Adobe products, such as After Effects and Photoshop.

Key features:

• Non-linear editing
• Multicam support
• VR editing
• Extensive file format support

2. Final Cut Pro

Final Cut Pro is Apple’s flagship video editing software, exclusively available for macOS. Boasting a sleek and intuitive interface, Final Cut Pro is highly optimized for Apple hardware, ensuring a smooth editing experience.

Key features:

• Magnetic timeline
• Multicam editing
• Advanced color grading tools
• 360-degree VR editing

3. DaVinci Resolve

A powerful and professional video editing suite, DaVinci Resolve stands out for its advanced color grading and visual effects tools. While it may have a steeper learning curve for beginners, its free version offers a comprehensive feature set that rivals many paid alternatives.

Key features:

• Non-linear editing
• Color grading
• Fusion VFX
• Fairlight audio tools

Part 2: The Programming Blog Universe

Now that we’ve covered video editing software, let’s shift gears and explore the world of programming blogs. These online resources can be invaluable for learning new coding languages, staying informed about industry trends, and connecting with fellow developers.

1. Hacker Noon

Hacker Noon is a popular tech publication that features a wide range of topics, including programming, blockchain, artificial intelligence, and more. With a vast collection of articles written by industry experts, Hacker Noon is a valuable resource for developers and tech enthusiasts alike.

Notable content:

• Tutorials and guides
• Thought leadership pieces
• Interviews with industry experts

2. CSS-Tricks

CSS-Tricks is a must-visit destination for web developers and designers looking to sharpen their CSS skills. The site offers a wealth of resources, including articles, tutorials, and an active community forum for discussing web design challenges and solutions.

Notable content:

• CSS tips and tricks
• Responsive design techniques
• Web development tools and resources

3. CodePen Blog

The CodePen Blog is an extension of the popular CodePen platform, which allows developers to create, share, and collaborate on front-end code snippets. The blog features a mix of news, updates, and tips related to the platform, as well as general web development insights.

Notable content:

• CodePen platform updates
• Web development articles
• Showcases of impressive CodePen creations

Additional Video Editing Software Options

While we’ve covered some of the top video editing software choices, there are numerous other alternatives to consider, each catering to different needs and budgets. Here are a few more options worth exploring:

4. Avid Media Composer

Avid Media Composer is a professional-grade video editing software widely used in the film and television industry. With its robust toolset and collaborative features, it’s an excellent choice for large-scale projects and professional workflows.

Key features:

• Advanced media management
• Multicam editing
• High-quality visual effects
• Integration with Avid Pro Tools

5. Lightworks

Lightworks is a powerful video editing software with a free version that still offers a comprehensive feature set. Its simple and intuitive interface makes it an excellent option for beginners and experienced editors alike.

Key features:

• Non-linear editing
• Real-time effects and color correction
• Multicam editing
• Wide format support

Expanding Your Programming Knowledge

As you continue exploring programming blogs, you may want to branch out to other related resources, such as podcasts and online courses. These platforms can further enhance your coding skills and help you stay informed about industry developments.

Podcasts

1. Software Engineering Daily – This daily podcast covers a wide range of software engineering topics, including programming languages, frameworks, and best practices.
2. The Changelog – The Changelog is a podcast that focuses on open-source technology and features interviews with industry leaders, discussing the latest trends and innovations.

Online Courses

1. Coursera – Coursera offers a vast selection of programming courses from top universities and institutions, covering everything from Python to web development.
2. Codecademy – Codecademy provides interactive programming courses in various languages and technologies, with hands-on exercises to help you build your coding skills.

Ultimately, your journey through the realms of video editing software and programming blogs is just the beginning. As you continue to explore, experiment, and learn, you’ll unlock new creative and technical possibilities. So, don’t be afraid to branch out, try new tools, and engage with different communities. By staying curious and open-minded, you’ll not only expand your skillset but also become a more versatile and innovative creator or developer. Keep learning, and enjoy the ride!

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Definition of Cloud Computing

Cloud computing is a type of computing that relies on sharing computing resources rather than having local servers or personal devices to handle applications. It is a model of data processing, software, and storage services that do not require direct active management by the user. It is typically provided by a third-party service provider and delivered over the internet.

Cloud computing has become increasingly popular in recent years, as it provides a number of benefits for software development teams. It can reduce costs, enable increased collaboration, and improve scalability. However, it also presents a number of challenges, such as security risks, regulatory compliance, and performance issues. In this article, we will explore the benefits and challenges of cloud computing for software development, as well as provide recommendations for successful cloud computing software development.

Overview of Software Development

Software development is the process of creating, designing, and maintaining software applications. It involves the creation of systems in which software is used to solve problems and create solutions. The software development process involves a number of steps, such as gathering requirements, designing the system, coding, testing, and deploying.

Benefits of Cloud Computing for Software Development

• Cost Reduction

One of the main benefits of cloud computing for software development is cost savings. Cloud computing eliminates the need for expensive hardware and software purchases, as well as the need to maintain and upgrade them. It also eliminates the need to invest in additional personnel to maintain and manage the hardware and software. This cost savings can be very beneficial for software development teams.

• Increased Collaboration

Cloud computing also enables software development teams to collaborate more easily. It allows teams to share files and data quickly and securely. This makes it easier for teams to work together and coordinate their efforts. It also streamlines the process of sharing information and makes it easier for teams to stay up to date on the progress of the project.

• Improved Scalability

Another benefit of cloud computing for software development is improved scalability. Cloud computing allows software development teams to scale their operations up or down as needed. This makes it easier for teams to respond to changing demands and quickly adapt to new requirements. This scalability can be especially useful for teams that are working on large, complex projects.

Challenges of Cloud Computing for Software Development

Security Risks

One of the main challenges of cloud computing for software development is security risks. As cloud computing involves the sharing of data and resources, it can be vulnerable to cyber threats. It is important for software development teams to ensure that their data and systems are secure and that they have measures in place to protect them from potential threats.

Regulatory Compliance

Another challenge of cloud computing for software development is regulatory compliance. As cloud computing involves the sharing of data, it is important for software development teams to ensure that they are compliant with relevant laws and regulations. It is also important for teams to understand the risks associated with data sharing and to ensure that they are taking all necessary steps to protect their data and systems.

Performance Issues

Performance issues can also be a challenge for software development teams that rely on cloud computing. As cloud computing relies on the internet, it can be subject to latency, bandwidth, and other performance issues. It is important for software development teams to understand the potential performance issues and to ensure that they are taking steps to address them.

Conclusion

A. Summary of Benefits and Challenges

Cloud computing can provide a number of benefits for software development teams, such as cost savings, increased collaboration, and improved scalability. However, there are also a number of challenges that must be addressed, such as security risks, regulatory compliance, and performance issues.

B. Recommendations for Successful Cloud Computing Software Development

In order to ensure successful cloud computing software development, it is important for teams to understand the benefits and challenges associated with cloud computing. Teams should ensure that they are taking all necessary steps to protect their data and systems from potential threats. They should also ensure that they are compliant with relevant laws and regulations. Finally, teams should be aware of potential performance issues and take steps to address them.

C. Outline of Future Research Directions

Future research should focus on further exploring the benefits and challenges of cloud computing for software development. This could include examining the security risks associated with cloud computing, exploring ways to ensure regulatory compliance, and investigating potential performance issues. Additionally, research could focus on developing better tools and techniques for cloud computing software development.

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Assignment software is an application that helps students and teachers manage, track, and communicate assignments. It is designed to save time and increase efficiency by streamlining the process of assigning and tracking assignments. It also helps to keep students and teachers organized and on track with their work. Staying up to date on the latest assignment software can help teachers and students stay organized, save time, and stay on top of their assignments.

Benefits of Staying Up to Date on the Latest Assignment Software

Staying up to date on the latest assignment software can provide numerous benefits. It can help teachers and students save time, stay organized, and stay on top of their assignments. You can always buy assignment online to stay up to day with a software if you busy and need someone who can help. Additionally, staying up to date on the latest assignment software can help teachers and students stay ahead of the curve, as new features and updates can help to improve the overall experience.

Steps to Staying Up to Date

Follow Software Developers on Social Media

The first step to staying up to date on the latest assignment software is to follow the software developers on social media. This will help to ensure that you are kept in the loop regarding any new updates or features that may be released. Additionally, it can be a great way to stay connected with the software developers and get a better understanding of their products and services.

Identify the Software Developers

The first step to following software developers on social media is to identify the software developers. This can be done by doing a quick search on the internet or by asking around. Once you have identified the software developers, you can then follow them on their social media platforms.

Follow Software Developers on Social Media Platforms

Once you have identified the software developers, the next step is to follow them on their social media platforms. This can be done by simply visiting their page and clicking the “Follow” button. This will ensure that you are kept in the loop regarding any new updates or features that may be released.

Read Reviews and Testimonials

Another great way to stay up to date on the latest assignment software is to read reviews and testimonials from other users. Reading reviews and testimonials from other users can help to give you a better understanding of the software and its features. Additionally, it can help to give you an idea of what other users think of the software and whether or not it is worth investing in.

Read Reviews from Other Users

The first step to reading reviews and testimonials from other users is to read reviews from other users. This can be done by doing a quick search on the internet or by asking around. Once you have identified the reviews, you can then read them to get a better understanding of the software and its features.

Read Testimonials from Software Developers

The second step to reading reviews and testimonials from other users is to read testimonials from the software developers. This can be done by visiting the software developer’s website or social media page and looking for testimonials. Reading testimonials from the software developers can help to give you an idea of what they think of their own software and whether or not it is worth investing in.

Join Online Discussion Groups

Another great way to stay up to date on the latest assignment software is to join online discussion groups. Online discussion groups can provide a great platform for users to discuss the latest features and updates, as well as ask questions and get advice from other users.

Search for Online Discussion Groups

The first step to joining online discussion groups is to search for them. This can be done by doing a quick search on the internet or by asking around. Once you have identified the discussion groups, you can then join them and start participating in the discussions.

Participate in Discussions

The second step to joining online discussion groups is to participate in the discussions. Participating in the discussions can help to give you a better understanding of the software and its features. Additionally, it can help to give you an idea of what other users think of the software and whether or not it is worth investing in.

Subscribe to Newsletters

The final step to staying up to date on the latest assignment software is to subscribe to newsletters. Newsletters can be a great way to stay informed about any new updates or features that may be released. Additionally, newsletters can provide great tips and advice on how to best use the software.

Sign Up for Newsletters

The first step to subscribing to newsletters is to sign up for them. This can be done by visiting the software developer’s website and looking for the newsletters section. Once you have signed up for the newsletters, you can then start receiving them.

Read Newsletters

The second step to subscribing to newsletters is to read them. Reading the newsletters can help to give you a better understanding of the software and its features. Additionally, it can help to give you an idea of what other users think of the software and whether or not it is worth investing in.

Conclusion

Staying up to date on the latest assignment software can provide numerous benefits. It can help teachers and students save time, stay organized, and stay on top of their assignments. Additionally, staying up to date on the latest assignment software can help teachers and students stay ahead of the curve, as new features and updates can help to improve the overall experience. The steps to staying up to date include following software developers on social media, reading reviews and testimonials, joining online discussion groups, and subscribing to newsletters. By following these steps, teachers and students can stay up to date on the latest assignment software and get the most out of their experience.

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avconv -i video.mkv -i logo.png -filter_complex overlay=x=10:y=main_h-overlay_h-10 -q 1 out.mkv

overlay – allows you to overlay one stream on top of another. You can also use a picture as a stream. In the example above, we set the logo to be indented to the left and bottom by ten pixels. To calculate the bottom margin, we subtract the height of the superimposed stream from the height of the main stream and additionally subtract the offset itself.

With this example, we can demonstrate the use of several filters together. To separate the filter list, use “;”.

avconv -i in1.avi -i in2.avi -filter_complex "[1:v]scale=w=iw/3:h=ih/3[v_small];[0:v][v_small]overlay=x=main_w-overlay_w-main_w/20:y=main_h-overlay_h-main_w/20" -q 1 out.avi

Take the second image, reduce it three times and place it in the lower right corner, making an indent from the edge equal horizontally and vertically to one twentieth of the width of this image.

P.S. I would like to say at the end that the final version was very different from how everything was seen at the beginning. Last but not least, this was influenced by many bugs, even in the most recent version. A version from the 0.8 branch is offered as a stable version, but, unfortunately, many interesting features are missing there. On the other hand, avconv from the 0.9 branch is very unstable and managed, in seemingly tested places, on some input files to eat up all the RAM in a few seconds and hang the server. Of course, memory usage can be limited to the current user, but this still does not solve the problem, since avconv crashes anyway. Sometimes individual clips from the video sequence disappeared, in some cases the time on the audio track and video sequence unexpectedly diverged – you had to look for other tools and other ways to perform the same tasks.

UPD: Add one picture to sound:

ffmpeg -r 1 -loop 1 -i aa.jpg -i aa.mp4 -acodec copy -vcodec mjpeg -t 326 -q 1 -y a.mp4

Who does not have avconv 0.9 on the system
1) clone git and configure

git clone git://git.libav.org/libav.git; ./configure

2) It is better to specify compilation in several threads to make it faster. Install it is better not to do so that later you do not have to restore anything in the system.

make -j 8

If there are no codecs:

./configure --help

And there just see what --enabled e.g. ./configure --enable-vdpau

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avconv -i in1.mp4 -i in2.mp4 -map 0:a -map 1:v -y -q 1 out.mp4

-map – specifies the source track to be included in the output file (if no maps are specified, avconv will simply convert the first file to the output file format).
–map 0: a – audio track from the first file (counting from zero).
-map 1: v – video track from the second.

New in version 0.9 -filter_complex

This option will determine the order of filters for complex (complex) operations.
Works fine with files when they have the same frame rate.

The filter is described by a line that looks something like this:
[in1] [in2] transform [out]

At the input, this is, in fact, the same thing that we write in -map, for example [0: a] [1: a] – the audio channels of the first and second clips.
At the output, we give a name to the newly created channel after the performed transformations, for example, mix_a. It can also be used in map in the future or as the name of the stream at the input of the next transformation.

By default, the transformation includes all incoming streams (or the first stream if the filter accepts only one), so they can be omitted. The resulting channel becomes the default channel for the resulting file, so in most cases, it can also be discarded.

Transformation operations can be conditionally divided into “generators” – they do not accept anything at the input, but only create a stream with specified properties, “filters” – take one stream as input and transform it and “mixers” – take several streams as input and connect them.

There may also be several streams at the output, for example, if the filter splits stereo into two mono tracks, they also need to be described with the [out1] [out2] list, etc.

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sox -m in1.wav in2.wav out.wav

-m – an option specifying the mixing mode for input files. Without options, sox will simply concatenate the files, adding the second one after the first.

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cat in1.raw in2.raw > out.raw

Likewise, you can connect as many files as you like, and you can in portions in several passes, creating intermediate ones.

cat in1.raw in1.raw in1.raw > out.raw

Thus, we can replicate a fragment (for example, silence or a monotone signal) for the time we need, or loop a small audio fragment.

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