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  1. #11
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    Default Re: VideoPlayer from i8910

    @SkiesOfAzel,
    Perhaps, it is better to take an example: why are there .mp4 videos that play fine on iphone but fail to play on N97/5800XM?

    We should separate some things from each other:

    1) support for video file containers - here we want the video players next to mp4 also to support avi and mkv. This is not a big issue and is programmed in other players mentioned above.

    2) support for video decoders - this is the choice of decoders that is approved by the SW maker. Usually, this choice will be limited to those decoders that will not cause playback issues.

    3) support for HW acceleration and capability to handle the decoding - this is something that cannot be fully fixed, if there is no proper HW components available (for example a proper GPU).

    Back to the question in the beginning: iphone can play some mp4 videos that n97/5800 will fail. The reason is that those videos are encoded a bit more complex way than n97/5800 can handle. Similarly, even if RealPlayer could support avi files, there is no guarantee that it would play most of the avi files out there...

  2. #12
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    Default Re: VideoPlayer from i8910

    Quote Originally Posted by SkiesOfAzel
    The decoders included with realplayer are already capable of playing back most every non hd mpeg4 (xvid, divx) content on the 5800, without the need for gpu acceleration (there already is non gpu acceleration). The reason 3rd party players lag is that (for reasons that aren't relevant to this thread) they are using their own decoders that are not as efficient as those of realplayer's. If the 5800 realplayer supported the avi container you could play back your movies, tv shows etc, without the need of conversion and more importantly without lag.
    Not true.

    Realplayer doesn't support B frames.

    It' pretty much impossible to find a video without b-frames.

  3. #13
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    Default Re: VideoPlayer from i8910

    Oh, and afaik n5800 uses DSP for hardware playback acceleration.

    Drop me some sources, that say it's other way around.

  4. #14
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    Default Re: VideoPlayer from i8910

    Quote Originally Posted by JoeTF
    Oh, and afaik n5800 uses DSP for hardware playback acceleration.

    Drop me some sources, that say it's other way around.
    A DSP is NOT a gpu. I've stated that the 5800 has non gpu acceleration.

    Quote Originally Posted by JoeTF
    Not true.

    Realplayer doesn't support B frames.

    It' pretty much impossible to find a video without b-frames.
    Of course both usta and you are both right on that account, but that's a software and not a hardware limitation. Besides, the real factor with b frames is memory, not the existence of a gpu. I still believe that a properly accelerated player can play most xvid just fine on the 5800. As for the Omnia HD player, it could use its own apis that talk directly to the gpu (in that case we are screwed) or it could use the already existing symbian apis for acceleration, in which case we can probably use the player on 5800.


 
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