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Type: Posts; User: cityhunter

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    Re: Question on Supported CODECS

    I think you need more information :
    avi is a "container" as quicktime file format is.... it's not a compression format.
    an avi can contain several compression types such as mjpeg, mpeg2, mpeg4.......
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    Re: Where can I download openML SDK???

    I begun to update the sgi api (the one on which basis openML is build) but I won't make it public until this compile on my pc (I'm doing the configure script at this time)
    then I will make it...
  3. what prevent openML to efficiently provide multiple inpu

    ok after 6 a months re-read of the spec I found a really black point : all buffer MUST be sent at the same time for 1 transcoder. ie if I want to send a buffer to a transcoder and have the result...
  4. find a transcoder that suit both out and in

    there is mlPvfind() for finding one capabilities. could be helpfull to have a way to find a device that suits both a "in" parameter and a "out" parameter....
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    allow transcoder to rewind the stream

    this could be very helpfull for 2 p*** encoding :
    could be performed like this :
    the application send a inband message "end of stream"
    the transcoder reply with a inband message "rewind stream"
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    device memory allocation

    it seems that the driver could allocate memory.
    it'll be cool to have the same behaviour for buffer allocation : this could solve the use of device's memory buffer problem :
    we can first ask if...
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    transcoder buffer sharing

    next request :)
    openML use two buffers pipes for transcoder. this could become a problem when using a lot of software transcoder : we must allocate a lot of buffer. maybe we can improve this by...
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    Re: OpenML suitable for low latency audio?

    <BLOCKQUOTE><font size="1" face="Arial, Verdana, Helvetica, sans-serif">quote:</font><HR> Also, the way OpenML is designed audio buffers will always have to be copied by the driver, right?...
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    save statemachine

    there is a way to save parameter but we can't save the state machine. this is usefull for suspend/resume mechanism. for exemple imagine your are creating a...
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    keyframe mechanism

    i don't found a mechanism to specify if frame is a keyframe, a b-frame....
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    Re: OpenML suitable for low latency audio?

    select() seems to be achieved by get wait handle p85 of the spec..... :)
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    Re: MPEG-2 support

    read the doc before asking :
    ML_COMPRESSION_MPEG2 p62 :roll:
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    Re: OpenML suitable for low latency audio?

    question : when such behaviour is required? I find buffer system better since it can hide latency problem (ex : a context switch can prevent your application to output the data at the right time....)...
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    new pb :ML_VIDEO_TIMING_INT32

    ok yet another problem :
    i want to do a inverse telecine transcoder, this can't be done because two things :
    -> different rate at input/output, but this is planned in "near futur" I hope.
    -> the...
  15. Re: OpenML major Omission : user input standardisation

    don't think there is a openML omission : ML means media lib it's purpose is multimedia not input....
    it's true that there is a lack in Open*L api of an "unified" input mechanism but at this point...
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    grouping stream mechanism

    here i'm again :D
    hyp : the quicktime file format has a mechnism to "group" streams : allow streams to be played together, overlay a stream on another, preventing stream 2 processing while stream 1...
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    ML_COMPRESSION_UNKNOWN

    there is a problem using this :
    imagine the following case : i'm developing a new revolutionary codec (as usual :) ) since the type of my codec is not in ML_COMPRESSION_* types the openML...
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    Re: Adopt OpenAL

    yes i agree with that : it'll be cool to add a way to dynamicaly spacialize the sound. OpenAL has some really great features that could be really really fun :)
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    multiple input transcoder

    your api is cool but there is a serious lack of multi IO (jacks) device.
    such device is really usefull (for exemple mixer for audio or stream mixing for video (could be used for subtitles....))
    if...
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