protrolium

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

dericed

#!/bin/bash

# suffix to use on the output file
suffix="_padded"
# color must be a value from http://ffmpeg.org/ffmpeg-utils.html#Color
color="black"
# seconds_at_start must be an integer
seconds_at_start=2
# seconds_at_end must be an integer
seconds_at_end=10

joashp

<?php 
// Server file
class PushNotifications {

	// (Android)API access key from Google API's Console.
	private static $API_ACCESS_KEY = 'AIzaSyDG3fYAj1uW7VB-wejaMJyJXiO5JagAsYI';
	// (iOS) Private key's passphrase.
	private static $passphrase = 'joashp';
	// (Windows Phone 8) The name of our push channel.
        private static $channelName = "joashp";

laurenarcher

Terminal Commands:

One webcam:

ffmpeg -f alsa -ac 2 -i hw:1,0 -f v4l2 -s 1280x720 -r 10 -i /dev/video1 -vcodec libx264 -pix_fmt yuv420p -preset ultrafast -r 25 -g 20 -b:v 2500k -codec:a libmp3lame -ar 44100 -threads 6 -b:a 11025 -bufsize 512k -f flv rtmp://a.rtmp.youtube.com/live2/YOURSTREAMNAMEHERE

Two webcam overlay:

ffmpeg -f alsa -ac 2 -i hw:1,0 -f v4l2 -s 1280x720 -r 10 -i /dev/video1 -f v4l2 -s 320x240 -r 10 -i /dev/video0 -filter_complex "[1:v]setpts=PTS-STARTPTS[bg]; [2:v]setpts=PTS-STARTPTS[fg]; [bg][fg]overlay=shortest=1 [out]" -map "[out]" -map 0:a -vcodec libx264 -pix_fmt yuv420p -preset veryfast -r 25 -g 20 -b:v 2500k -codec:a libmp3lame -ar 44100 -threads 6 -b:a 11025 -bufsize 512k -f flv rtmp://a.rtmp.youtube.com/live2/YOURSTREAMNAMEHERE

ypwu1

#!/bin/bash
#brew install ffmpeg --with-vpx --with-vorbis --with-libvorbis --with-vpx --with-vorbis --with-theora --with-libogg --with-libvorbis --with-gpl --with-version3 --with-nonfree --with-postproc --with-libaacplus --with-libass --with-libcelt --with-libfaac --with-libfdk-aac --with-libfreetype --with-libmp3lame --with-libopencore-amrnb --with-libopencore-amrwb --with-libopenjpeg --with-openssl --with-libopus --with-libschroedinger --with-libspeex --with-libtheora --with-libvo-aacenc --with-libvorbis --with-libvpx --with-libx264 --with-libxvid
#$1 directory $2 input type $3 output type
#ffmpeg -i input.flv -vcodec libvpx -acodec libvorbis output.webm
find "$1" -type f -name "*.$2" | while read -r file; do
	filename=$(basename "$file" ".$2")
	dirname=$(dirname "$file")
	ffmpeg -i "$dirname/$filename.$2"  "$dirname/$filename.$3"
done

k0nsl

#!/bin/bash

#Mirror: https://k0nsl.org/blog/snippets/bench-cpu-sh/

#Installation von BC
apt-get install bc -y

#Infos über System
cname=$( awk -F: '/model name/ {name=$2} END {print name}' /proc/cpuinfo )
cores=$( awk -F: '/model name/ {core++} END {print core}' /proc/cpuinfo )

olasd

#! /bin/bash
#
# Diffusion youtube avec ffmpeg

# Configurer youtube avec une résolution 720p. La vidéo n'est pas scalée.

VBR="2500k"                                    # Bitrate de la vidéo en sortie
FPS="30"                                       # FPS de la vidéo en sortie
QUAL="medium"                                  # Preset de qualité FFMPEG
YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2"  # URL de base RTMP youtube

svagionitis

#!/bin/bash
# Create an Iframe index from HLS segmented streams
# $1: Filename to be created
# $2: Location of segmented ts files

# Check how many arguments
if [ $# != 2 ]; then
    echo "Usage: $0 [Input filename] [Location of segmented streams]"
    exit 1;
fi

seblavoie

makeWebm() {
  FILE=$1
  BITRATE=${2:-'3450'}
  SIZE=${3:-'1280x720'}
  FILENAME=${FILE%%.*}
  ffmpeg -i ${FILE} -acodec libvorbis -ac 2 -ab 96k -ar 44100 -b ${BITRATE}k -s ${SIZE} ${FILENAME}.webm
}

makeWebms() {
  BITRATE=${1:-'3450'}

ssmereka

#!/bin/bash

# Backup a Plex database.
# Author Scott Smereka
# Version 1.0

# Script Tested on:
# Ubuntu 12.04 on 2/2/2014	[ OK ] 

# Plex Database Location.  The trailing slash is