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## ffmpeg-gnu-parallel-snippets.md

      
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                Brainiarc7
                / ffmpeg-gnu-parallel-snippets.md
            
            
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              April 17, 2024 10:33
            
              
                Some snippets you can quickly adapt for use with FFmpeg and GNU Parallel for use for standard tasks.
              
          
    Useful Examples of ffmpeg and GNU parallel on the command-line:

Transcoding FLAC music to Opus:
ffmpeg is a highly useful application for converting music and videos. However, audio transcoding is limited to a a single core. If you have a large FLAC archive and you wanted to compress it into the efficient Opus codec, it would take forever with the fastest processor to complete, unless you were to take advantage of all cores in your CPU.
parallel 'ffmpeg -v 0 -i "{}" -c:a libopus -b:a 128k "{.}.opus"' ::: $(find -type f -name '*.flac')

Transcoding Videos to VP9:

  
## Google_App_Script_Upload_Multi_Files_To_GoogleDrive_Form.html
<!DOCTYPE html>
<html>
<head>
<base target="_top">
</head>
<body>
	<form id="uploaderForm">
		<label for="uploaderForm">Upload multiple Files</label>
		<div>
			<input type="text" name="applicantName" id="applicantName"

## speech-api-request.sh
#!/bin/bash

# SETUP
# 1) This requires having SoX (http://sox.sourceforge.net/) installed. On a Mac, you can do this with `brew install sox --with-flac`
# 2) You'll also need an API key for your Google Cloud Platform project: https://support.google.com/cloud/answer/6158862

# Create a request file with our JSON request in the current directory
FILENAME="request-"`date +"%s".json`
cat <<EOF > $FILENAME
{

## UpOrDown.sh
#!/bin/bash

################################################################################

# This script will check to see if a website is up/down by pinging the url
# If there is no response an email wil be send via an external smtp mail server
# If the site status is down an email will be send when the site is up again

# set your check interval here :-) #############################################
interval=3600 # hour
	<!DOCTYPE html>
	<html>
	<head>
	<base target="_top">
	</head>
	<body>
	<form id="uploaderForm">
	<label for="uploaderForm">Upload multiple Files</label>
	<div>
	<input type="text" name="applicantName" id="applicantName"
	#!/bin/bash

	# SETUP
	# 1) This requires having SoX (http://sox.sourceforge.net/) installed. On a Mac, you can do this with `brew install sox --with-flac`
	# 2) You'll also need an API key for your Google Cloud Platform project: https://support.google.com/cloud/answer/6158862

	# Create a request file with our JSON request in the current directory
	FILENAME="request-"`date +"%s".json`
	cat <<EOF > $FILENAME
	{
	#!/bin/bash

	################################################################################

	# This script will check to see if a website is up/down by pinging the url
	# If there is no response an email wil be send via an external smtp mail server
	# If the site status is down an email will be send when the site is up again

	# set your check interval here :-) #############################################
	interval=3600 # hour