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video manipulation
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ways to modify videos

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last updated
031317
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copying and creating movie dvds or video dvds

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it is 100% legal to break copyright protection on a movie dvd you purchased the physical dvd. it is only illegal to distribute a copy to someone else or allow someone else to view your dvd while you still own a copy. these things are rarely ever enforced anyway.
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copying dvds
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1. the best method is the first you should attempt. use "dvd shrink" to rip (rip means to copy a movie off of a video dvd) the dvd into an iso. change the file name to abc.iso or something to avoid one of the possible copyright protections, and then burn it (burn means to write data to a movie dvd) with http://www.dvddecrypter.org.uk/ or https://cdburnerxp.se/index.php (windows has its own built in burning software, but often it does not burn correctly in older versions of windows). if this works you have an almost identical version of the dvd (may be slightly worse video, but it's not a noticable difference) if this method does not work go to the step 2. if this creates an iso much larger than 4.5gb go to step 5.
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2. same as the method in step 1 but try ripping with dvd decrypter instead of ripping with dvd shrink. if this does not work go to step 3
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3. make an avi using http://www.freemake.com/free_video_converter/ . you lose all the subtitles and extra features, but you can still choose a single audio channel and copy the video. using freemake "add" the dvd and then convert it to avi. you can use freemake to burn it on to another dvd by "adding" the video of the avi you created, and then burn a dvd. make sure it has the correct audio channel. often it wil be an audio channel in a different language, so you always should check you selected the correct audio channel. the english audio channel often looks like britan's flag. if creating the avi does not work move to step 3. if the avi was created it should be burnable. if the avi is too large for a single dvd go to step 5.
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4. open up the dvd using your computer's file explorer (don't play the dvd) and you will see a few folders. navigate to the "video_ts" folder and find the 3-8 largest files usually in vob format. this is your movie broken up into 1gb files. copy these large files all directly on to your hard drive "c:". you can assemble them into a single avi in freemake video converter if you wish. you may also try to burn them to a dvd if you wish. "vlc media player" will play vob video files, or you can convert the files to avi using freemake video converter to play with windows media player or other media playback software.
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if you are able to copy the files and when you try to watch the video it's jarbled, there is nothing i know to do (you are screwed). if the files copied in step 4 are over 20gb total there is nothing i know to do. there are some dvds which fit these 2 categories, but it's really rare, so about about 1% of dvds have this kind of copyright protection.
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5. this step is if you were able to copy the video to your computer but the entire video totals between 4.5gb and 20gb. first make sure the video is playable using vlc media player or something. assemble the video into a single avi using freemake if it's not a single video file. using 7-zip select "compression level - archive" and "split to volumes, bytes - dvd". this will split the file into multiple files which each will fit on a seperate dvd. you can burn the individual files to seperate dvds now. if you want to "bring back" the avi and watch it you need to put each dvd in a computer and copy the files one by one from each dvd into the same folder on a computer. after all the files are in teh same folder double click on the file with the lowest number (usually a 1 or 0) and the zip file will reassemble itself and you will be able to watch your avi movie. i've only seen 1-2 dvds out of hundreds which required this method to copy, so it's rare.
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here are some debian linux programs you can use as alternatives if you are using debian linux.
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k3b
kdenlive
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some dvd players do not play every type of dvd. as much as i've figured out so far, if a video dvd does not play on your dvd player, use dvd decrypter and burn the dvd as region free or non region free.
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making a dvd from multiple videos
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use "freemake video converter" http://www.freemake.com/free_video_converter/
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the rest of this page is instructions for me to remind me how to create a fully customizable menu. if you wish to read these instructions, you can. again, the dvds will not work on every dvd player because of all the bugs in dvd menus. most dvds you buy have no bugs in the menus. i don't know how long it will take until i figure out how to make a 100% customizable dvd work in all dvd players. if you want to have 100% customization, you can follow the instructions below. if you don't care about 100% customiaztion, there are programs you can use to make template menus, and those dvds will work in every dvd player. they are available in my application downloads i think.
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using kdenlive in debian, create the video part of the dvd. create a menu in kdenlive also. if you want a video background for the menu, you will need to layer the video in kdenlive and the output the video in a low enough bitrate as not to cause a buffer underrun on dvd players. the menu creation software will be able to tell you if there is a possible or assured buffer underrun. i think you want to output the chapters and menu in mpg.
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this code adds blank navs, which are essential to import into dvdauthorgui.
ffmpeg -i /home/leck/Desktop/xmasdvd/copacabanaleck.mpg -f mpg -target ntsc-dvd -vcodec copy -acodec copy /home/leck/Desktop/xmasdvd/copacabanaleck2.mpg
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as for the menu, you want to make it in kdenlive and output in mpg. then add the blank nav to the menu. remember that if you want a video background to the menu, you need to layer in kdenlive and probably reduce the bitrate.
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move all the video files on to a windows computer. you need to use a program in windows to demultiplex the menu into elementary audio and vidoe files. the video is mp2. i forget what the audio format is.
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using dvdauthorgui in windows, put the menu and chapters and or titles into the project.
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render the video_ts folder.
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burn with cdburnerxp

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recording or streaming your video

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these instructions are how to record video. you use almost the same exact method to stream video. instructions to stream video are below this section.
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use open broacaster software to record. installing OBS is easy, but obs does not explain how to record easily.
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the defaults should be fine for installing
https://obsproject.com/download
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after installing obs you need to add the source of "display capture" to record what you see. again the defaults should be fine unless you understand what you are changing. another good choice with sources is "window capture". window capture allows you to get a single application instead of the entire screen.
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after adding the source left click "start recording" and minimize obs. when you are finished left click 'stop recording' and your computer will automatically start saving the video to your "videos" folder (for long videos this could take quite some time). in windows 10 this folder is "c:\users\leck\videos". it is something similar in previons windows versions. if you record without adding a "source" it will still create the movie file, but it will simply be a black video until you "tell" obs where to get the video from.
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you can watch the video with any video player (you can probably also watch the video in OBS somehow), but i suggest "vlc media player"
http://www.videolan.org/vlc/ (there is a supported 64 bit version of vlc on a different web page if you have 64 bit windows and want the 64 bit version of vlc to ensure your videos are always playing at max speed)
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you can use "freemake video converter" to convert the video to a different format or burn the video to a dvd after you create the video. obs defaults to .flv, but that's not that common of a format. i suggest change the format obs saves to .avi (avi is probably the most common video format). avi is great compression (takes low disk space compared to other formats) and works with everything like youtube.
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streaming video in real time
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you need "open broadcaster software" installed for these instructions. (see the section above this to install obs)
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if you prefer to use youtube or other websites you can. these are only instructions for obs and twitch. it should be similar instructions for other ways to stream video if you want to use other software and websites. the steps will not be exactly the same if you are not using obs and twitch. twitch is like "live" youtube. it has a chat room where people with twitch accounts who are watching can type and chat (the person streaming can disable the ability for anyone to chat if they desire. also the person streaming can require a password to join). twitch is the first choice for OBS.
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make a twitch account (it's free)
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https://www.twitch.tv
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i suggest looking over the profile settings before you start streaming. (twitch has a crappy website, so after you log into twitch come back to this page and click on these links. trying to find these pages on twitch's website is a nightmare)
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https://www.twitch.tv/settings/profile
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when you are ready to stream go to the dashboard and get the key to link obs to twitch.
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you can replace "electorite" with your twitch account name to access your dashboard
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https://www.twitch.tv/electorite/dashboard
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go to "settings" to get the key required for OBS
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copy the key and go to OBS and click on "settings"
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after the settings window opens in obs click "stream" on the left, and there is a place to enter the key you recieved
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this is my stream. i keep it going almost 24/7
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https://www.twitch.tv/electorite
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when you stream video it runs on a 30 second to 2 minute delay, so it's not instantaneous. it is cool to have close to real time streaming for free. you could use the same method for a mobile device. i don't know what mobile applications connect with twitch. also if you use a camera and somehow get the video showing on your comupter screen, you turn it into "live television" all by yourself. one good way is to use skype. skype shows what a web camera sees on your computer screen. using obs to record and send the video, and twitch website 'accepts' the video and allows anyone to view it.
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if you are going to use skype, obs, and twitch all together at even a dvd quality resolution and framerate (no audio), you are looking at a few gigabytes RAM. at least 2 core CPU, and a decent GPU. you will not be able to stream real time video from your web camera at dvd quality with 1 gigabyte of ram and a pentium 4 processor. you should be able to simply record dvd quality video on your computer with those specs using OBS, but you would not be able to do much other than edit pictures keeping the same framerate and resolution. so you need a pretty powerful computer to stream video games live, or to do some kind of demonstration where you are speaking and doing things on your computer while showing your camera using skype and streaming to twitch.
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