FFMPEG Course: Self evaluation

Check your responses to the self evaluation questions you found for each lesson:

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Self evaluation

Questions

What sentence below better defines what FFMPEG is?

FFMPEG is a free video editor with a powerful GUI
FFMPEG is command-line tool for video editing
FFMPEG is AI-based tool to generate engaging videos
FFMPEG is a video-only conversion tool

How video and audio files are organized?

Audio tracks are always first and video files are there after
Video and audio tracks are always in pairs
Video and audio streams are encoded and packed in the file that acts as the container
Containers are inside the encoded streams

The codec defines the way the stream is compressed

Yes
No
Depending of the container
Streams are always encoded using the same format

Transcoding is the action of...

Re-encode a stream with a different codec
Convert a stream into a container
Use always the same codec
Transmuxing

FFMPEG is an open source project that is available

Only for Linux systems
Only for Windows and Linux systems
Only for Windows, Mac and Linux systems
For many platforms, as it can be compiled from its source code

Which of these sentences below is false?

Mac OSX is not natively supported by FFMPEG, but can be installed from Linux binaries
You can install FFMPEG on your Mac by downloading a compiled binary
You can use Homebrew to install FFMPEG on Mac OS
ffmpeg.exe does not work natevely on Mac computers

What is a FFMPEG wrapper?

It's a special version of the FFMPEG binaries that wrap other apps
It's a FFMPEG feature that creates compressed versions of the videos
It's a third-party library to help app developers to use FFMPEG
It's a new way of mixing video and autio together

In FFMPEG, `0:a` refers to

Any audio stream in any file
The second audio stream of the first input file
All audio streams of the first input file

In FFMPEG, `-map 1:v:0` refers to

Any video stream in the second input file
First video stream in the second input file
Last video stream in the first input file

How do you crop a video using ffmpeg?

You can crop a video using the -vf flag followed by the crop filter and the desired coordinates
You can crop a video using the -trim flag followed by the start and end times of the portion you want to keep
You can crop a video using the -ss flag to specify the start time and the -t flag to specify the duration of the portion you want to keep
You can't crop a video using ffmpeg, you need to use a different tool for that

Can you use the crop filter to resize a video in ffmpeg?

Yes, you can use the crop filter to resize a video by specifying the same values for the in_w and in_h parameters as the output w and h parameters
No, the crop filter can only be used to remove portions of a video, not to resize it
Yes, you can use the crop filter to resize a video by specifying the desired output width and height as the w and h parameters
No, the crop filter is not capable of resizing a video, you need to use the scale filter for that

What is the syntax for the crop filter in ffmpeg?

The syntax for the crop filter is crop=in_w:in_h:x:y
The syntax for the crop filter is crop=w:h:x:y
The syntax for the crop filter is crop=w:h:start_time:end_time
The syntax for the crop filter is crop=x:y:in_w:in_h

FFMPEG Course: Self evaluation

← All how-tos

FFMPEG course

Questions

What sentence below better defines what FFMPEG is?

How video and audio files are organized?

The codec defines the way the stream is compressed

Transcoding is the action of...

FFMPEG is an open source project that is available

Which of these sentences below is false?

What is a FFMPEG wrapper?

In FFMPEG, `0:a` refers to

In FFMPEG, `-map 1:v:0` refers to

How do you crop a video using ffmpeg?

Can you use the crop filter to resize a video in ffmpeg?

What is the syntax for the crop filter in ffmpeg?

FFMPEG Course: Self evaluation

← All how-tos

FFMPEG course

Questions

What sentence below better defines what FFMPEG is?

How video and audio files are organized?

The codec defines the way the stream is compressed

Transcoding is the action of...

FFMPEG is an open source project that is available

Which of these sentences below is false?

What is a FFMPEG wrapper?

In FFMPEG, 0:a refers to

In FFMPEG, -map 1:v:0 refers to

How do you crop a video using ffmpeg?

Can you use the crop filter to resize a video in ffmpeg?

What is the syntax for the crop filter in ffmpeg?

In FFMPEG, `0:a` refers to

In FFMPEG, `-map 1:v:0` refers to