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Aula2: Utilizando O Canivete Suíço Mencoder Capacitação 2010
Capacitação realizada através de parceria entre o Núcleo de Tecnologia Educacional Municipal - NTM Núcleo de Tecnologia Educacional Estadual - NTE de Volta Redonda CapacitaçãoCapacitação 20102010 Aula2:Aula2: UtilizandoUtilizando oo CaniveteCanivete SuíçoSuíço MencoderMencoder O MEncoder é uma ferramenta em linha de comando para encodação de vídeos sob a Licença Pública Geral (GPL). O MEncoder é distribuído juntamente com o MPlayer e permite converter todos os formatos de vídeo aceitos pelo MPlayer para um grande número de outros players. Possui diversos filtros de áudio e vídeo para a manipulação dos arquivos. Devido a enorme quantidade de opções, o MEncoder pode parecer pouco amigável no começo, mas ele é uma ferramenta extremamente poderosa para conversão de vídeo. Alguns frontends foram desenvolvidos para torná- lo mais acessível. O Básico Um mal entendido muito comum é o de que o MPlayer, por ser capaz de reproduzir diversos containers e codecs de áudio e vídeo, seria também capaz de codificar arquivos nestes mesmos formatos. A lista de codecs para codificação de mídia é muito longa, mas alguns de código livre não estão inclusos por exemplo: FLAC e Theora. Mas não é algo com o que se preocupar, ainda restam diversas opções, até mesmo se você deseja codificar um arquivo para reprodução em Windows ou Mac. Antes de entrar em detalhes, vamos observar o funcionamento básico num processo de re-codificação de um arquivo em um formato que o MPlayer não pode reproduzir, para o formato MPEG4: mencoder arquivo.flv -o arquivo.avi -ovc lavc -oac pcm Explicando cada opção -arquivo.flv: nome do arquivo de vídeo original que você deseja recodificar. -
MPLAYER-10 Mplayer-1.0Pre7-Copyright
MPLAYER-10 MPlayer-1.0pre7-Copyright MPlayer was originally written by Árpád Gereöffy and has been extended and worked on by many more since then, see the AUTHORS file for an (incomplete) list. You are free to use it under the terms of the GNU General Public License, as described in the LICENSE file. MPlayer as a whole is copyrighted by the MPlayer team. Individual copyright notices can be found in the file headers. Furthermore, MPlayer includes code from several external sources: Name: FFmpeg Version: CVS snapshot Homepage: http://www.ffmpeg.org Directory: libavcodec, libavformat License: GNU Lesser General Public License, some parts GNU General Public License, GNU General Public License when combined Name: FAAD2 Version: 2.1 beta (20040712 CVS snapshot) + portability patches Homepage: http://www.audiocoding.com Directory: libfaad2 License: GNU General Public License Name: GSM 06.10 library Version: patchlevel 10 Homepage: http://kbs.cs.tu-berlin.de/~jutta/toast.html Directory: libmpcodecs/native/ License: permissive, see libmpcodecs/native/xa_gsm.c Name: liba52 Version: 0.7.1b + patches Homepage: http://liba52.sourceforge.net/ Directory: liba52 License: GNU General Public License Name: libdvdcss Version: 1.2.8 + patches Homepage: http://developers.videolan.org/libdvdcss/ Directory: libmpdvdkit2 License: GNU General Public License Name: libdvdread Version: 0.9.3 + patches Homepage: http://www.dtek.chalmers.se/groups/dvd/development.shtml Directory: libmpdvdkit2 License: GNU General Public License Name: libmpeg2 Version: 0.4.0b + patches -
USB Audio/Video Codec Model 2253 Linux Software Manual
USB Audio/Video Codec Model 2253 Linux Software Manual Ver.1.2.8 | December 2013 Table of Contents OPERATING SYSTEM SUPPORT......................................................................................4 INSTALLATION..............................................................................................................5 BASIC OPERATION........................................................................................................6 Video Capture and Output Driver..............................................................................6 Troubleshooting.........................................................................................................7 Demo Program..........................................................................................................8 Notes on the MP4 format..........................................................................................8 GUI Demo Program...................................................................................................9 Playing Recorded Files.............................................................................................10 Using ALSA for audio capture and playback............................................................11 Using the Video Output Device...............................................................................12 Using Loopback on Video Output Device.................................................................12 Using the Video Overlay..........................................................................................13 -
Fedora Core Works--Without the Fluff That Bogs Down Other Books and Help/How-To Web Sites
Fedora Linux By Chris Tyler ............................................... Publisher: O'Reilly Pub Date: October 01, 2006 ISBN-10: 0-596-52682-2 ISBN-13: 978-0-596-52682-5 Pages: 504 Table of Contents | Index "Neither a "Starting Linux" book nor a dry reference manual, this book has a lot to offer to those coming to Fedora from other operating systems or distros." -- Behdad Esfahbod, Fedora developer This book will get you up to speed quickly on Fedora Linux, a securely-designed Linux distribution that includes a massive selection of free software packages. Fedora is hardened out-of-the-box, it's easy to install, and extensively customizable - and this book shows you how to make Fedora work for you. Fedora Linux: A Complete Guide to Red Hat's Community Distribution will take you deep into essential Fedora tasks and activities by presenting them in easy-to-learn modules. From installation and configuration through advanced topics such as administration, security, and virtualization, this book captures the important details of how Fedora Core works--without the fluff that bogs down other books and help/how-to web sites. Instead, you can learn from a concise task-based approach to using Fedora as both a desktop and server operating system. In this book, you'll learn how to: Install Fedora and perform basic administrative tasks Configure the KDE and GNOME desktops Get power management working on your notebook computer and hop on a wired or wireless network Find, install, and update any of the thousands of packages available for Fedora Perform backups, increase reliability with RAID, and manage your disks with logical volumes Set up a server with file sharing, DNS, DHCP, email, a Web server, and more Work with Fedora's security features including SELinux, PAM, and Access Control Lists (ACLs) Whether you are running the stable version of Fedora Core or bleeding-edge Rawhide releases, this book has something for every level of user. -
WSE2008 Presentation Template
2008 MPEG2 to MPEG4 video conversion under OS/2 and eComStation Sjoerd Visser MPEG2 to MPEG4 video conversion under OS/2 and eComStation Sjoerd Visser Subjects The art of illusion: Some notes about digital video, sound and pictures DivX and Vidx Video conversion in practice Using FFMPEG to convert EmperoarTV recordings to avi. Using mencoder to convert a DVD to avi. 2008 Warpstock November 16, 2008 / page 2 Europe MPEG2 to MPEG4 video conversion under OS/2 and eComStation Sjoerd Visser Words per minute Reading, typing and speaking rates can be expressed in words per minute (wpm). Speed User Effect 50 wpm :Very slow speaker Boring 150 wpm :Speaker in audio book Listening comfortable 200 wpm :Compressed speech Does allow for full comprehension 300 wpm :Normal conversation Asks full attention to keep a fraction of it 400 wpm :Political debater Wordflow as weapon, disinformation 100 wpm :Slide presentations Hiding information, let them sleep 300 wpm :Normal reading Giving attention to relations 400 wpm :Fast reading Scanning text for the essentials Source: http://www.answers.com/topic/words-per-minute-1 There is a major difference between scanning words (automated listening when everything goes as expected) and attentive listening: hearing words you do not heard before and comprehend their relations, when the subject catches you. 2008 Warpstock November 16, 2008 / page 3 Europe MPEG2 to MPEG4 video conversion under OS/2 and eComStation Sjoerd Visser The bitrates of the human brain (compared to PC's) The total estimated human sensory input processed by our nervous system , including proprioception (the awareness of bodily movement) and other internal receptors (gut feelings) is about 400 gigabit per second . -
Debian 1 Debian
Debian 1 Debian Debian Part of the Unix-like family Debian 7.0 (Wheezy) with GNOME 3 Company / developer Debian Project Working state Current Source model Open-source Initial release September 15, 1993 [1] Latest release 7.5 (Wheezy) (April 26, 2014) [±] [2] Latest preview 8.0 (Jessie) (perpetual beta) [±] Available in 73 languages Update method APT (several front-ends available) Package manager dpkg Supported platforms IA-32, x86-64, PowerPC, SPARC, ARM, MIPS, S390 Kernel type Monolithic: Linux, kFreeBSD Micro: Hurd (unofficial) Userland GNU Default user interface GNOME License Free software (mainly GPL). Proprietary software in a non-default area. [3] Official website www.debian.org Debian (/ˈdɛbiən/) is an operating system composed of free software mostly carrying the GNU General Public License, and developed by an Internet collaboration of volunteers aligned with the Debian Project. It is one of the most popular Linux distributions for personal computers and network servers, and has been used as a base for other Linux distributions. Debian 2 Debian was announced in 1993 by Ian Murdock, and the first stable release was made in 1996. The development is carried out by a team of volunteers guided by a project leader and three foundational documents. New distributions are updated continually and the next candidate is released after a time-based freeze. As one of the earliest distributions in Linux's history, Debian was envisioned to be developed openly in the spirit of Linux and GNU. This vision drew the attention and support of the Free Software Foundation, who sponsored the project for the first part of its life. -
How Do I Pick a New Linux Laptop System and Distro? (Excerpts from Emperorlinux-Lincolns-Logbook)
How do I pick a new Linux laptop system and distro? (Excerpts from EmperorLinux-Lincolns-Logbook) Lincoln D. Durey, Ph.D. May 5, 2004 Portable Linux Enthusiast, Today's article has relevance to all of us at some time or another. It is the nature of hardware to get old and slow. So, we all find ourselves needing new Linux laptop about every 3 years. Lincoln's new Linux Laptop: As the founder and president of a Linux laptop company, I get quite a few questions about which machine I use, and which Linux distro I use. While those are interesting questions with easy answers which we'll get to, I also field the age old question of "How can I take my data with me?" from our returning customers (as we've been at this Linux on laptops thing for 5 years now, we have many customers coming back after a 3-4 year run on one of our systems, and it's time to upgrade). So, I'm going to roll all these questions into one essay and answer: "How do I pick a new Linux laptop system and distro, and then move my data, and my work flow to it?" I took delivery of an EmperorLinux Toucan T21 in January of 2001, and used it approximately 12-16 hours a day for over three years. The Toucan T21 (named "tori") ran Red Hat 7.3, with all the same modifications to the kernel (the empkernel), and the config files that our customers enjoy. Recently, tori started making not-happy-disk noises, and the LCD back-light was flickering. -
Ubuntuguide Part2
UbuntuGuide Part2 - http://ubuntuguide.org/index.php?title=UbuntuGuide_Part2&... UbuntuGuide Part2 From Contents 1 Boot from a Live CD 2 UEFI 3 Coreboot 4 Multiple OS Installation 4.1 Introduction 4.1.1 Using Grub Legacy for the boot partition 4.2 Partition design 4.3 Windows partitions 4.3.1 Changing Windows partition sizes 4.3.1.1 Using Shrink Volume on Vista and Windows 7 4.3.1.2 Reinstalling Vista or Windows 7 on a new partition 4.3.1.2.1 Using Windows Recovery Disks 4.3.1.3 Windows XP (or earlier) 4.3.1.4 Windows bootloaders 4.4 Install your first Linux OS 4.5 Copy boot files to the small Grub partition 4.6 Reinstall Grub to MBR 4.7 Install your second Linux OS 4.8 Changing main Grub boot menu settings 4.8.1 Using UUIDs for the main Grub bootloader menu 4.8.2 Add MacOSX entry 4.9 Re-installing Grub Legacy after Windows upgrade or re-installation 4.10 Other chainloader options 4.10.1 Chainloading Grub2 from Grub Legacy 4.11 The (hd0,9) problem 4.12 Protecting Grub Legacy from cracking 4.13 Manipulating partitions on the hard drive 5 Manipulating Partitions 5.1 Use the (K)Ubuntu Desktop LiveCD 5.2 Use GParted to manage partitions 5.3 One linux-swap partition per computer 5.4 Creating and "moving" free space 5.5 Creating or resizing a partition 5.6 Changing Grub Legacy in a boot partition 5.7 Changing Grub2 in a changed partition 5.7.1 Booting (K)Ubuntu manually from Grub Legacy 5.7.2 Discovering the current kernel files manually 5.8 Changing Grub Legacy in a changed partition 6 Virtualbox in Windows 6.1 Install Virtualbox in Windows 6.2 Install Ubuntu edition for virtual machines 6.2.1 Install a desktop 6.2.2 Install Linux Guest Additions 6.2.3 Creating shared folders 7 Android emulation 7.1 Android-x86 in VirtualBox 7.1.1 Networking for Android-x86 7.1.1.1 Wired networking for Android-x86 RC 4.0RC1 7.1.2 Installing apps 7.1.2.1 Modified apps 7.1.3 Usage tips 7.2 Android SDK emulator 7.2.1 Networking for Android SDK 7.2.2 Installing an app 1 of 177 08/10/2013 09:04 AM UbuntuGuide Part2 - http://ubuntuguide.org/index.php?title=UbuntuGuide_Part2&.. -
Scape D10.1 Keeps V1.0
Identification and selection of large‐scale migration tools and services Authors Rui Castro, Luís Faria (KEEP Solutions), Christoph Becker, Markus Hamm (Vienna University of Technology) June 2011 This work was partially supported by the SCAPE Project. The SCAPE project is co-funded by the European Union under FP7 ICT-2009.4.1 (Grant Agreement number 270137). This work is licensed under a CC-BY-SA International License Table of Contents 1 Introduction 1 1.1 Scope of this document 1 2 Related work 2 2.1 Preservation action tools 3 2.1.1 PLANETS 3 2.1.2 RODA 5 2.1.3 CRiB 6 2.2 Software quality models 6 2.2.1 ISO standard 25010 7 2.2.2 Decision criteria in digital preservation 7 3 Criteria for evaluating action tools 9 3.1 Functional suitability 10 3.2 Performance efficiency 11 3.3 Compatibility 11 3.4 Usability 11 3.5 Reliability 12 3.6 Security 12 3.7 Maintainability 13 3.8 Portability 13 4 Methodology 14 4.1 Analysis of requirements 14 4.2 Definition of the evaluation framework 14 4.3 Identification, evaluation and selection of action tools 14 5 Analysis of requirements 15 5.1 Requirements for the SCAPE platform 16 5.2 Requirements of the testbed scenarios 16 5.2.1 Scenario 1: Normalize document formats contained in the web archive 16 5.2.2 Scenario 2: Deep characterisation of huge media files 17 v 5.2.3 Scenario 3: Migrate digitised TIFFs to JPEG2000 17 5.2.4 Scenario 4: Migrate archive to new archiving system? 17 5.2.5 Scenario 5: RAW to NEXUS migration 18 6 Evaluation framework 18 6.1 Suitability for testbeds 19 6.2 Suitability for platform 19 6.3 Technical instalability 20 6.4 Legal constrains 20 6.5 Summary 20 7 Results 21 7.1 Identification of candidate tools 21 7.2 Evaluation and selection of tools 22 8 Conclusions 24 9 References 25 10 Appendix 28 10.1 List of identified action tools 28 vi 1 Introduction A preservation action is a concrete action, usually implemented by a software tool, that is performed on digital content in order to achieve some preservation goal. -
Video - Dive Into HTML5
Video - Dive Into HTML5 You are here: Home ‣ Dive Into HTML5 ‣ Video on the Web ❧ Diving In nyone who has visited YouTube.com in the past four years knows that you can embed video in a web page. But prior to HTML5, there was no standards- based way to do this. Virtually all the video you’ve ever watched “on the web” has been funneled through a third-party plugin — maybe QuickTime, maybe RealPlayer, maybe Flash. (YouTube uses Flash.) These plugins integrate with your browser well enough that you may not even be aware that you’re using them. That is, until you try to watch a video on a platform that doesn’t support that plugin. HTML5 defines a standard way to embed video in a web page, using a <video> element. Support for the <video> element is still evolving, which is a polite way of saying it doesn’t work yet. At least, it doesn’t work everywhere. But don’t despair! There are alternatives and fallbacks and options galore. <video> element support IE Firefox Safari Chrome Opera iPhone Android 9.0+ 3.5+ 3.0+ 3.0+ 10.5+ 1.0+ 2.0+ But support for the <video> element itself is really only a small part of the story. Before we can talk about HTML5 video, you first need to understand a little about video itself. (If you know about video already, you can skip ahead to What Works on the Web.) ❧ http://diveintohtml5.org/video.html (1 of 50) [6/8/2011 6:36:23 PM] Video - Dive Into HTML5 Video Containers You may think of video files as “AVI files” or “MP4 files.” In reality, “AVI” and “MP4″ are just container formats. -
Installing Multimedia Codecs & Video Drivers
Multimedia 8 8 Installing Multimedia Codecs & Video Drivers Cody DeHaan his article will show you how to install The repository that contains the ATI and video drivers that will take full advan- NVIDIA drivers is called “Livna”. To setup Ttage of your hardware, set up multime- your system to use packages available from dia codecs for common audio and video Livna, the easiest way is to simply use the formats, and enable desktop effects. provided RPM package which will do all of the work for you. We have provided both a graphical and a terminal method for instal- Getting Ready ling the package, so use whichever feels The first thing that you must do is to enable most comfortable to you. It is also worth not- some new software repositories. A software ing that both of these methods rely on you repository is a set of software that the pack- having an active internet connection, so en- age manager in Fedora 8 can access to in- sure that your internet connection is work- stall software on your system. By default, ing before you try these steps. Fedora 8 does not include the drivers for non-open source software, and the drivers Terminal Method provided by ATI and NVIDIA are not open source. As a result, Fedora uses open Open a terminal window by clicking Ap- source replacements, which are good for plications –> System Tools –> Terminal. every day usage, but if you plan on using In the terminal, type: su - more demanding graphical applications, in- This command will temporarily grant stalling the 3D-enabled drivers for your sys- you super-user or root permissions. -
Video Encoding with Open Source Tools
Video Encoding with Open Source Tools Steffen Bauer, 26/1/2010 LUG Linux User Group Frankfurt am Main Overview Basic concepts of video compression Video formats and codecs How to do it with Open Source and Linux 1. Basic concepts of video compression Characteristics of video streams Framerate Number of still pictures per unit of time of video; up to 120 frames/s for professional equipment. PAL video specifies 25 frames/s. Interlacing / Progressive Video Interlaced: Lines of one frame are drawn alternatively in two half-frames Progressive: All lines of one frame are drawn in sequence Resolution Size of a video image (measured in pixels for digital video) 768/720×576 for PAL resolution Up to 1920×1080p for HDTV resolution Aspect Ratio Dimensions of the video screen; ratio between width and height. Pixels used in digital video can have non-square aspect ratios! Usual ratios are 4:3 (traditional TV) and 16:9 (anamorphic widescreen) Why video encoding? Example: 52 seconds of DVD PAL movie (16:9, 720x576p, 25 fps, progressive scan) Compression Video codec Raw Size factor Comment 1300 single frames, MotionTarga, Raw frames 1.1 GB - uncompressed HUFFYUV 459 MB 2.2 / 55% Lossless compression MJPEG 60 MB 20 / 95% Motion JPEG; lossy; intraframe only lavc MPEG-2 24 MB 50 / 98% Standard DVD quality X.264 MPEG-4 5.3 MB 200 / 99.5% High efficient video codec AVC Basic principles of multimedia encoding Video compression Lossy compression Lossless (irreversible; (reversible; using shortcomings statistical encoding) in human perception) Intraframe encoding