Stream your Windows desktop using ffmpeg

CLI, Codec, ffmpeg, free, MP4, Opensource, Transcoding, Video, VLC, Windows
I've already covered how to do this with vlc a while back in parts 1 followed by part 2. I just found out that something very similar in results can be done with ffmpeg. ffmpeg has recently added support for directshow filters which now allows one to capture the screen and stream and/or save it. Here is how you can do this: 1.) Grab a copy of the Screen Capture DirectShow source filter from Unreal Streaming Technologies. It's about half way down that page. They have both the UScreenCapture X86 Edition and the X64 Edition (depending on your OS installation). I used the 64 bit filter on a Windows 7 64 bit installation. 2.) Install the filter and make sure you make the following changes to your windows registry using regedit. The default frame…
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FFmpeg commands for ipod video encoding…

CLI, ffmpeg, iPod, iPodTouch, Opensource
So I found out the hard way that the new ipod's (with video out) can actually play 640x480 video and also figured out how to get iTunes to accept the encoded files (so that I could sync them with the device).......here is the run down:"TV-Out" mode - 1.5Mbit/s 640×480 H.264 videosBIT_RATE <= 1500 kbps640×480Up to 30 fps“Low-Complexity” H.264 Baseline Profile1 reference frameUp to H.264 level 3640 pixels maximum frame widthSample Aspect Ratio (SAR) must be 1:1UUID atom must exist containing the following hex data: 6B 68 40 F2 5F 24 4F C5 BA 39 A5 1B CF 03 23 F3....This allows you to add the video into iTunes. You need AtomicParsley for this which can be checked out from their subversion repository . See below for usage.For 1-pass encoding use:ffmpeg -i INPUT…
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ffmpeg command line quickies…..

CLI, ffmpeg, Opensource
Here are a bunch of ffmpeg command lines that will do just about everything you need.Getting info from a video fileffmpeg -i video.aviTurn a sequence of images into videoffmpeg -f image2 -i image%d.jpg video.mpgTurn a video into a sequence of imagesffmpeg -i video.mpg image%d.jpgEncode video for Ipod/IPhoneffmpeg -i source_video_file.avi -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv -trell 1 -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X output_file.mp4Encode video for PSPffmpeg -i source_video_file.avi -b 300 -s 320x240 -vcodec xvid -ab 32 -ar 24000 -acodec aac output_file.mp4ORffmpeg -i "OriginalFile.avi" -f psp -r 29.97 -b 768k -ar 24000 -ab 64k -s 320x240 "OutputFile.mp4"Extract audio from a video file and save it as mp3 formatffmpeg -i source_video_file.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 output_file.mp3Convert…
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