dericed

ffmpeg -f lavfi -i color=color=black:s=1920x1080 -vf "drawtext=fontfile=/Library/Fonts/Arial.ttf:fontsize=80:fontcolor=white:x=(w-text_w)/2:y=(h-text_h-line_h)/2:text='Lossless codecs vs corruption',drawtext=fontfile=/Library/Fonts/Arial.ttf:fontsize=30:fontcolor=white:x=(w-text_w)/2:y=(h-text_h-line_h)/2+80:text='by Dave Rice',fade=in:0:20,fade=out:55:20" -c:v rawvideo -pix_fmt uyvy422 -t 3 -vtag 2vuy intro_title.mov
ffmpeg -f lavfi -i color=color=black:s=1920x1080 -vf "drawtext=fontfile=/Library/Fonts/Arial.ttf:fontsize=100:fontcolor=white:x=(w-text_w)/2:y=(h-text_h-line_h)/2:text='JPEG-LS',fade=in:0:20,fade=out:55:20" -c:v rawvideo -pix_fmt uyvy422 -t 3 -vtag 2vuy jpegls_title.mov
ffmpeg -f lavfi -i mandelbrot=s=1920x1080 -c:v jpegls -bsf noise -t 10 jpegls.mov
ffmpeg -f lavfi -i color=color=black:s=1920x1080 -vf "drawtext=fontfile=/Library/Fonts/Arial.ttf:fontsize=100:fontcolor=white:x=(w-text_w)/2:y=(h-text_h-line_h)/2:text='Lossless JPEG',fade=in:0:20,fade=out:55:20" -c:v rawvideo -pix_fmt uyvy422 -t 3 

dericed

Pixel formats:
I.... = Supported Input  format for conversion
.O... = Supported Output format for conversion
..H.. = Hardware accelerated format
...P. = Paletted format
....B = Bitstream format
FLAGS NAME            NB_COMPONENTS BITS_PER_PIXEL
-----
IO... yuv420p                3            12
IO... yuyv422                3            16

dericed

SMPTE s259m: SDTV Digital Signal/Data — Serial Digital Interface

SMPTE s263m: 1/2-in Type Magnetic Tape Cassette

SMPTE s268m: File Format for Digital Moving-Picture Exchange (DPX), Version 2.0

SMPTE s272m: Formatting AES Audio and Auxiliary Data into Digital Video Ancillary Data Space

SMPTE s274m: 1920 x 1080 Image Sample Structure, Digital Representation and Digital Timing Reference Sequences for Multiple Picture Rates

dericed

#nttw4 talk, December 5, 2019, Dave Rice at #nttw4,
#video at https://twitter.com/nttwconf/status/1202509295973216257

Good morning,

During my first full-time archivist gig, I worked with a large audio collection 
and, in adherence to the best practices of my community, would digitize audio 
tapes to Broadcast Wave Files. I was a new archivist and working as the only 
archivist in a media organization so I felt that relief from looking to the 
best practices of our communities as a way of reducing my own decision-making 

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

dericed

#!/bin/bash

if [[ ! "${#}" == 2 ]] ; then
    echo "Please provide input and output directories, and no other arguments."
    exit 1
fi

input="${1}"
output="${2}"

dericed

#!/bin/bash

_fix(){
  FILE="${1}"
  NAME="$(basename "${FILE}")"
  SDTP_OFFSET="$(mediaconch -mt "${FILE}" | xmlstarlet sel -N mt="https://mediaarea.net/mediatrace" -t -m "mt:MediaTrace/mt:media/mt:block[@name='File header']/mt:block[@name='Track']/mt:block[@name='Media']/mt:block[@name='Media Information']/mt:block[@name='Sample Table']/mt:block[@name='Sample Dependency']/mt:block[@name='Header']/mt:data[@name='Name']" -v @offset)"
  if [[ "${SDTP_OFFSET}" = "" ]] ; then
    echo "${NAME} has no sample dependency table anyway, skipping"
  else
    echo "${NAME} has a sample dependency table at ${SDTP_OFFSET}"

dericed

<?xml version="1.0" encoding="utf-8"?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0">
  <channel>
    <title>No Time to Wait 4</title>
    <link>https://mediaarea.net/NoTimeToWait4</link>
    <description>The fourth annual No Time to Wait conference shall take place December 5th and 6th, 2019 (with an optional workshop/codeday on December 4th) at the Vera and Donald Blinken Open Society Archives in downtown Budapest, Hungary. #nttw4</description>
    <language>en</language>
    <pubDate>Sat, 25 Jan 2019 12:00:00 -0500</pubDate>
    <category>Technology</category>
    <category>Education</category>

dericed

790700ffffffffff675c1aaa4bf39496cc573c7c686f89c4aedd5c4f15686f2304a9e267586e747980c5a90a6132d277796b41b51e5f39837578ce01a868674b3a787f0d2fafd360de7d777d7d1fadc3
790701ffffffffff4755808c9460918f5f470eae92ac3c969db2cfbb4e8dad088b8ee551d30a97267b8b8e1b38a8b89a46cc8b92544faee297242c8a92cb60d44fb25a688d936153af42d16358929a1e
790702ffffffffff74723f9f9dba5f1332747252c4dced41c9d2726e659e9fcdbaaa447772f29fa6499799ce746a5aa0a74e949bd76f63df9495de909ab27069a89698fc8e934f67605f9899d78d92e7
79070350ce30c0d130548e8a97b48f903cffc1aa9f414e979abeccafd999e51a9292224ad801b762f59197714ab9973168ff999c945bc8820f66849596b5662db15670f59a9bd65dbc156073b5a1a402
7907045103cfa0ff6e71ae999972ffa54d716a539aa774b3abde655abb8f992392947f6f634393a30a8d912563415e95a49f8c946d62403e8d98758991756651fd929d10868c08550fc096a1c88a9103
79070552ffc9e7045b6af4a19981654db67175e341c0bc58342c77760926ae176154b77b79d83ab0ef50f2087d7c864ebf5654f3727979c4d7a05350d7447b7c2bc0a27c29ad72767878c8a7dc000000
79070653ffd2d3d350512e97a8108d8e52432599c75befa3a5e037cba7

dericed

class Ffmpegdecklink < Formula
  desc "FFmpeg with --enable-decklink"
  homepage "https://ffmpeg.org/"
  url "https://ffmpeg.org/releases/ffmpeg-4.2.1.tar.xz"
  sha256 "cec7c87e9b60d174509e263ac4011b522385fd0775292e1670ecc1180c9bb6d4"
  revision 1
  head "https://github.com/FFmpeg/FFmpeg.git"
  keg_only "anything that needs this will know where to look"

  option "with-chromaprint", "Enable the Chromaprint audio fingerprinting library"