![]() The fruits of our Bash script: 13 files created with up to an 83% file size reduction with no impact on visual quality Working With Bento4 Not bad for essentially two lines of code.įigure 4. Figure 4 shows two of the CRF files compared to the original with a data rate reduction as high as 83% with no impact on quality. The script ran through all 13 files in less than an hour. You’ll have to make each Bash script executable using this command sequence.įigure 3. Then, run the script again (./crf.sh), and it will start FFmpeg and iterate through all the files in the folder. As you see in the figure, however, if you try to run the script without first authorizing it, you’ll get the Permission denied error.Īs shown on the next input line, you make the file executable using this command: You run the Bash script from Terminal using the syntax shown on the top line of Figure 3 (. ![]()
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