---------- Forwarded message ---------- From: Stephan Elliot Perez <[email protected]> Date: Mon, Feb 4, 2013 at 10:28 PM Subject: Re: [PD] file format for GEM To: J Oliver <[email protected]>
I have divided things into clips I want to use in GEM. So for now, I am putting laggy clips aside. If I have this problem with one that I find indispensable (I have some redundant material), I will probably try another codec. But with photo-jpeg, some of the files were getting to be over 20 GB. D= On Mon, Feb 4, 2013 at 10:26 PM, J Oliver <[email protected]> wrote: > As I said, the Apple Intermediary Codec works. However, at some random > points in the videos (and only in a few files), the playback becomes very > laggy. This applies in any Player, not just GEM. > > > I've had this problem. How do you deal with audio sync in these cases? > > J > > > On Mon, Feb 4, 2013 at 9:28 PM, chris clepper <[email protected]> wrote: > >> The M is for 'Motion' and uses two fields per frame, so it is interlaced. >> >> >> On Mon, Feb 4, 2013 at 3:18 PM, me.grimm <[email protected]> wrote: >> >>> >> Also, I selected JPEG-Photo using the program "MPEGStreamclip" at %100 >>> >>> this actually worked pretty decent. thanks for the tip! >>> >>> > I assume JPEG-Photo is MJPEG: The video file gets so large, because you >>> >>> might someone know: what is the difference between photo-jpeg and >>> motion-jpeg? i am assuming from reading around the web that they are >>> the same thing... but maybe not? >>> >>> >>> m >>> >>> >>> >>> On Sun, Feb 3, 2013 at 4:09 PM, Thomas Mayer <[email protected]> >>> wrote: >>> > Hi, >>> > >>> > please respond to the list, as others may help in answering your >>> > follow-up questions, and / or may benefit from the conversation.0 >>> > >>> > On 03.02.2013 21:49, Stephan Elliot Perez wrote: >>> >> Thanks. I have no idea what a bash script is or what to do with it, >>> but I >>> >> will read through the thread... >>> > >>> > If you use Linux or Mac OS X, bash is usually installed on your system. >>> > It is a command line interface and can be used for scripting. >>> > (http://en.wikipedia.org/wiki/Bash_%28Unix_shell%29) >>> > >>> > This particular script is nothing fancy, and I have made it mostly to >>> > remind the parameters for mencoder. >>> > >>> >> Also, I selected JPEG-Photo using the program "MPEGStreamclip" at %100 >>> >> quality and it produces quite a large file. With "auto", the CPU goes >>> over >>> >> 90, but if I drag up or down on the framerate's number box, it stays >>> at >>> >> around 30-40... >>> > >>> > I assume JPEG-Photo is MJPEG: The video file gets so large, because you >>> > store a JPEG for each frame instead of full image for keyframes only >>> and >>> > then changes for subsequent frames as do other video codecs (rough >>> > explanation). [pix_film] can then read each frame as a JPEG and does >>> not >>> > need to find the last keyframe and apply the changes to it, so playback >>> > should be possible with lower CPU usage. >>> > >>> > Please tell us some information about your system, i.e. CPU, graphic >>> > card, operating system etc., maybe someone with a similar setup can >>> > respond with further advice for optimisation. >>> > >>> > Hth, >>> > Thomas >>> > -- >>> > "Chaney was aware that anything, however small, can get the eye of the >>> > media if it's repulsive enough." (Robert Anton Wilson - The Universe >>> > Next Door) >>> > http://www.residuum.org/ >>> > >>> > _______________________________________________ >>> > [email protected] mailing list >>> > UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list >>> >>> >>> >>> -- >>> ____________________ >>> m.e.grimm | m.f.a | ed.m. >>> [email protected] >>> _________________________________ >>> >>> _______________________________________________ >>> [email protected] mailing list >>> UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list >>> >> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > > >
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