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Summary of Contents for Techspansion VisualHub
- Page 1 VisualHub Users Guide By Tyler Loch, Fearless Leader, Techspansion LLC Release 1.22, 2/26/07...
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Page 3: Table Of Contents
Table of Contents Chapter 1: Crash Course Chapter 2: iTunes Chapter 3: PSP Chapter 4: DV Chapter 5: DVD Chapter 6: AVI Chapter 7: MP4 Chapter 8: WMV Chapter 9: MPEG Chapter 10: Flash Chapter 11: Advanced Chapter 12: Xgrid Chapter 13: Tidbits Chapter 14: Troubleshooting Chapter 15: Appendix... -
Page 4: Chapter 1: Crash Course
Chapter 1: Crash Course "This readout tells you where you're going, this one tells you where you are, this one tells you where you were." - Dr. Emmett L. Brown... -
Page 5: Easy Settings
There are many ways to tell VisualHub what videos you want converted. The most popular is drag and drop. You can drop files either into the File List in the main VisualHub window, or on top of the VisualHub icon in Finder or the Dock. The "+"... -
Page 6: Chapter 2: Itunes
Chapter 2: iTunes "You know, our next big step is we want it to make toast. I want to brown my bagels when I’m listening to my music. And we’re toying with refrigeration, too." - Steve Jobs on video iPods, April 2004... -
Page 7: More Information
Videos made for the iPod screen will take up less disk space, but may look blocky on a TV. Videos made for TV will look great on a TV (and your iPod and your Apple TV), but you'll waste space if you only watch them on your iPod. Videos made for the Apple TV will play on the Apple TV and your Mac. -
Page 8: Chapter 3: Psp
Chapter 3: "This is the design that we came up with. There may be people that complain about its usability, but that's something which users and game software developers will have to adapt to..." - Ken Kutaragi... - Page 9 What Is It? A specialized set of MPEG-4 settings that will play on the PSP. What Plays It? PSP, or PlayStation Portable, released in spring 2005. More Information The PlayStation Portable is Sony's grand entrance into the portable gaming market. It's a "jack of all trades", competing with both the GameBoy Advance, Nintendo DS, and iPod.
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Page 10: Advanced Settings
Custom Title - This lets you choose your own PSP-readable title instead of VisualHub using the video file’s original name. If you are converting a batch of files, each video will have a number placed after the name based on its order. -
Page 11: Chapter 4: Dv
Chapter 4: "...and it's indestructible! [WHAM] [WHAM] [WHAM] ...aww...I broke some of the shielding..." - Apple Spokesperson on FireWire at MUG meeting, 1997... - Page 12 16:9 DV video may not be displayed correctly on MiniDV devices. Ready for Final Cut When this is selected, VisualHub will create DV-in-MOV files that Final Cut Pro/Express can use without the need to re-render either the audio or video track. (Continued)
- Page 13 View Trash to recover your new file and drag it into the video tray. A simpler method would be to drag the file created by VisualHub into an open iMovie project's video tray, but this will make another copy of your new DV file and the process may take several minutes to...
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Page 14: Chapter 5: Dvd
Chapter 5: "I go on Kazaa every week [...] a lot of it was pornography, some of it was music, but a lot of it was films." "I say to you that the VCR is to the American film producer and the American public as the Boston Strangler is to the woman home alone."... - Page 15 DVD is the widely-used modern format for home video. Video quality is variable, allowing for very long running times. VisualHub can fit up to 18 hours of video on one DVD. Image resolution and bitrate can be lowered to allow for the best quality compromise.
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Page 16: Advanced Settings
Burn When Done Does what it says. Only available when "Author as DVD" is checked, it will burn the .iso file created by VisualHub to a recordable DVD in your default disc burner automatically. Make sure you've inserted a disc before conversion completes. -
Page 17: Chapter 6: Avi
Chapter 6: “Please spell DivX ;-) correctly ! Capital ‘D’ lower-case ‘iv’ capital ‘X’ and do not forget the eye-blinking smiley ‘;-)’ !” -Gej... - Page 18 320 Pixels Wide By default, VisualHub will create an AVI with the same image size as the original video. By checking this box, VisualHub will constrain the video to 320 pixels across, scaling proportionally. 320x240 is a standard video resolution for medium- quality Internet distribution.
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Page 19: Chapter 7: Mp4
Chapter 7: "In this world of 'my codec is better than yours' -- this codec is better." - Frank Casanova, 2004... - Page 20 320 pixels wide By default, VisualHub will create a MP4 file with the same image size as the original video. By checking this box, VisualHub will constrain the video to 320 pixels across, scaling proportionally. 320x240 is a standard video resolution for medium-quality Internet distribution.
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Page 21: Chapter 8: Wmv
Chapter 8: "I've got my kids brainwashed: You don't use Google, and you don't use an iPod." - Steve Ballmer, April 2006... - Page 22 320 pixels wide By default, VisualHub will create a WMV file with the same image size as the original video. By checking this box, VisualHub will constrain the video to 320 pixels across, scaling proportionally. 320x240 is a standard video resolution for medium-quality Internet distribution.
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Page 23: Chapter 9: Mpeg
Chapter 9: MPEG ”The basic scheme is to predict motion from frame to frame in the temporal direction, and then to use DCT's (discrete cosine transforms) to organize the redundancy in the spatial directions. The DCT's are done on 8x8 blocks, and the motion prediction is done in the luminance (Y) channel on 16x16 blocks In other words, given the 16x16 block in the current frame that you are trying to code, you look for a close match to that block in a previous or future frame... - Page 24 What Is It? A legacy format supported by virtually all computers. What Plays It? Some standalone devices, some DVD players, every computer after 1996. More Information MPEG video was created in the early 1990s as a worldwide standard for digital video. It lives on in many forms today.
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Page 25: Transport Stream
MPEG Profiles There are hundreds of devices that use MPEG video to some extent, all with their own specific settings needs. VisualHub has presets for some of the more popular device formats. Creates an MPEG file conforming to the strict VCD 1.1 specifications. VCD was an MPEG-derived format popular in Asia, and playable by many DVD players. -
Page 26: Chapter 10: Flash
Chapter 10: Flash "People are all the time asking me, "Mike, how do you do those stupid voices for your dumb animal characters?", and I say, "I'm Mike. Matt does the voices." - Mike Chapman... - Page 27 320 pixels wide By default, VisualHub will create a Flash .swf file with the same image size as the original video. By checking this box, VisualHub will constrain the video to 320 pixels across, scaling proportionally. 320x240 is a standard video resolution for medium-quality Internet distribution.
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Page 28: Chapter 11: Advanced
Chapter 11: Advanced "We knock them into little pockets with sticks..and we got higher numbers too!" - The Tick, on The Infinity Ball... - Page 29 The second pass will encode the video using information determined in the first. Force (QuickTime/ffmpeg Chooses which decoding engine to use. Left alone, VisualHub will determine by filetype Decoding) which to use. Troublesome clips may benefit by the tweaking of this setting.
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Page 30: Chapter 12: Xgrid
Chapter 12: Xgrid “The Xgrid Console has an intuitive Aqua interface that makes it easy to execute UNIX commands.” - Xgrid Technology Preview PR. January 2004... -
Page 31: How Does It Work
Agent. Once all videos are sent to the Xgrid, VisualHub will wait to hear back from Agents with completed videos. The progress bar will update for every completed video. -
Page 32: Network Ports
Once installed, there will be a new Xgrid option in System Preferences. It has a similar window as shown above and should be filled out in the same manner. Note: VisualHub does not need to be installed on an Agent. All necessary files are sent to the Agent prior to conversion. Important notes on Xgrid Number of files... -
Page 33: Chapter 13: Tidbits
Chapter 13: Tidbits "But the most important rule, the rule you can never forget, no matter how much he cries or how much he begs...never, never feed him after midnight. Got it?" - Gremlins, 1984... - Page 34 - meaning they block regular attempts at copying. You will need to use DVD ripping software to pull the entire VIDEO_TS folder (or one big .vob file) before VisualHub is able to convert the video.
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Page 35: Chapter 14: Troubleshooting
Chapter 14: Troubleshooting "Son, you tried your hardest and failed miserably. The lesson is: Never try." - Homer J. Simpson... - Page 36 Advanced panel. How can I speed up VisualHub? Hide the VisualHub window. Progress bars in Mac OS X can use a surprising amount of CPU. Hiding or minimizing the VisualHub window will prevent the bar from updating. Check for other programs hogging up the processor. Open Activity Monitor in /Applications/Utilities/. There, you can sort by “% CPU”...
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Page 37: Chapter 15: Appendix
Chapter 15: Appendix "...But what I'd really like to do is drive a flaming bus through a wall of TVs with a stick of dynamite strapped to my head." - Pinky, Rocko’s Modern Life... - Page 38 (vermiform appendix)
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Page 39: Appendix A: Cheat Codes
Appendix A: Cheat Codes "The arcade version of Gradius is really difficult, right? I never played it that much, and there was no way I could finish the game, so I inserted the so-called Konami code (laughs)." - Kazuhisa Hashimoto... - Page 40 A “cheat code” in this sense is a very advanced setting for people who want to go above and beyond the GUI. A cheat code could also be a way to use VisualHub in strange, horrible ways. Many Cheat Codes are selectable from the Advanced panel. All cheat codes should go in the “Extra ffmpeg Flags”...
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Page 41: Appendix B: Supported Codecs/Formats
Appendix B: Supported Codecs/Formats “Note, the names of encoders and decoders dont always match, so there are several cases where the above table shows encoder only or decoder only entries even though both encoding and decoding are supported for example, the h263 decoder corresponds to the h263 and h263p encoders, for file formats its even worse”... -
Page 42: Extra Information
Extra Information What follows are charts of supported video/audio codecs and container formats for import into VisualHub. Supported output formats are the selection tabs in the main interface. “Partial” means not all files in that format/container are supported - it’s hit or miss depending on container/codec-specific information. VisualHub cannot convert protected files, as found on the iTunes Music Store or Windows-based audio/video stores. -
Page 43: Appendix C: Credits And Other Info
Appendix C: Credits and Other Info... -
Page 44: License Information
No software program will be perfect until robots start writing them. No promises are made that VisualHub is error-free. Techspansion LLC and its members will not be liable for damages or losses, tangible or intangible,...
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