Hi, MP4 playback is feasible. Test results on DM6446 Fast forward (frame-by-frame): at most x4 Rewind (frame-by-frame): at most x1
Cheers, Lijun 2010/1/19 Krunal Patil <[email protected]> > Hi, > > I agree with Jeremy. You can not perform fast fwd, rewind etc operations on > encoded stream easily. This becomes very easy if you use any container > formats like QT, MP4, Matroska etc. Container formats have ability to mux > various audio video streams with proper synchronization. You can also > perform stream, compression operations at the same time you can also > associate your events using container formats. > > Let me know if I can help you more on this or any case you need more > information how container works. > > -- > Regards, > Krunal Patil > eInfochips Ltd. > Tel.No. (079)26563705 Ext. 120 > Cell. No. +919924629091www.einfochips.com > > > Jeremy Noring wrote: > > On Sat, Jan 16, 2010 at 10:18 AM, Albert Burbea <[email protected]> > <[email protected]> wrote: > > > Hi everybody > I would like to know if there is an "out of the box" solution to implement > trickle mode using the TI h.264 codecs (possibly both for the dm6446 and the > dm365). I mean: how can I implement fast forward / fast rewind / frame > skipping / gop skipping in both directions? Or do I have to open the h.264 > files and struggle with the h264 headers ? > > > In general, you can forget about fast rewind--it is prohibitively hard > to do with temporally compressed codecs. And presumably you'll either > have to open the files yourself, or use some third-party API for > working with container formats. (for example, if you're saving h264 > to an mp4 container, you could use mp4v2 or ffmpeg) > > You could also save raw h264 to disk (raw bytestream), but there > typically isn't timing information present, so it is unsuitable for > playback applications. > > > > Also, is there a "simple" solution to implement file muxing? H.264 + > (say) G.711 + proprietary data ? > > > For H264 and G711, your best bet is an AVI container. G711 is not a > standard part of the MP4 container format, AFAIK. I'm not sure about > newer containers like matroska. > > > > > > -- > ------------------------------ > Disclaimer: This e-mail message and all attachments transmitted with it > are intended solely for the use of the addressee and may contain legally > privileged and confidential information. If the reader of this message is > not the intended recipient, or an employee or agent responsible for > delivering this message to the intended recipient, you are hereby notified > that any dissemination, distribution, copying, or other use of this message > or its attachments is strictly prohibited. If you have received this message > in error, please notify the sender immediately by replying to this message > and please delete it from your computer. Any views expressed in this message > are those of the individual sender unless otherwise stated.Company has taken > enough precautions to prevent the spread of viruses. However the company > accepts no liability for any damage caused by any virus transmitted by this > email. > ------------------------------ > > > _______________________________________________ > Davinci-linux-open-source mailing list > [email protected] > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source > >
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