#Ffmpeg map question mark how to#
#Ffmpeg map question mark for mac#
#Ffmpeg map question mark install#

Similarly, there is another flag called -codec:a for audio encoders. Here, v in the -codec:v stands for video. To use this, use the following command: ~$ ffmpeg -i INPUT_VIDEO -codec:v libx265 OUTPUT_VIDEO.EXT Netflix conducted a survey in Aug 2016 and found that x265 outperforms many of its competitors both in terms of quality and file size. The name libx265 is a portmanteau for the ‘library x265’. Compression Using libx265 Encoder in FFmpeg Note: this FFmpeg command can also be used to convert from one video format (say mkv) to another (say mp4) by using the appropriate EXT value. In the above command, replace INPUT_VIDEO, OUTPUT_VIDEO, and EXT with your input video, output filename, and its extension (such as mp4, webm, and mkv) respectively.įor example: ~$ ffmpeg -i input_video.mp4 output_video.mp4 Syntax: ~$ ffmpeg -i INPUT_VIDEO OUTPUT_VIDEO.EXT I was able to reduce the size of one of my files by 80% without any quality loss! For you, the result might be a little different and hence you should try it first. Compression With FFmpeg’s Default Settingsįirst of all, the FFmpeg’s default settings are already highly optimized. Here, first I will talk about compression using the default encoder (x264) and then the efficient one – x265.

#Ffmpeg map question mark how to#

How to Compress a Video Using FFmpeg Without Losing Quality? Now that you have installed FFmpeg, you can start compressing your videos.

#Ffmpeg map question mark install#

If you are not sure whether your computer has FFmpeg or not, install it using one of the following commands:ĭebian based distributions ( Ubuntu, Raspbian, and Kali Linux) ~$ sudo apt-get install ffmpegĪrch Linux based distributions (Manjaro) ~$ sudo pacman -S ffmpegįedora and CentOS ~$ sudo dnf install ffmpeg Therefore, by default, it comes installed with all major distributions/packages. Compress/Rescale Images using FFmpegįFmpeg is one of the most widely used applications. Compress/Rescale All Videos in a Directory Using FFmpeg

Compress/Rescale Without Losing Any Audio or Subtitle Track in an Mkv Video Using FFmpeg Scale Video to Given Width While Preserving the Aspect Ratio Using FFmpeg Scale Video to Given Width and Height Using FFmpeg How to Change Video Resolution Using FFmpeg? Compression With FFmpeg’s Default Settings And for Windows, you can use Windows Subsystem for Linux.

#Ffmpeg map question mark for mac#

For Mac OS, which is based on UNIX, they should work fine. Note: I have tested all the commands given below on Linux. At the same time, I will also help you in changing your image and video resolution to some lower value. I will also be talking about an efficient and modern encoder x265. All of the commands given below should work with all encoders. In this article, I will help you compress any video or image using FFmpeg with/without losing quality.