Hi,
Has anyone ported H264 codec to android ? I wanna play some high
bitrate videos which r not supported by existing coded.
If u have any idea please let me know.
Thanks in advance.
On Nov 14, 9:14 pm, ashraw <electricashish...@gmail.com> wrote:
> Hi Chih-Wei,
>
> I wanna port H.264 decoder to android framework. Android already
> supports H.263. For any new thing to port into android, first it has
> to be made OpenMAX compliant. Then it can be ported. For making the
> component OMX compliant, it has to be wrapped around a wrapper.
>
> I want to know how can I achieve this..? What necessary changes to be
> made to port this decoder into android framework? Does anybody have
> done this in the past or any idea about this? Any documentation which
> I can refer for doing this thing..? How can it be wrapped & ported
> into android framework ?
>
> Later on I will port mp4 into android framework. But at first I need
> to do this.
>
> Thanks,
> Ashish.
>
> Not sure what you are going to do.
> But I'm sure I can play .mp4 file with H264 codec on Android.
>
> So what do you exactly want to port?
>
> On 11/10/2009, ashraw <electricashish...@gmail.com> wrote:
>
>
>
> > Hi All,
>
> > I am porting H.264 decoder to android framework. Can I know how to do
> > it?
>
> > For this I know that I have to make it Open MAX compliant. I have also
> > read the Open MAX Call Sequences.pdf file.
>
> > In that pdf file, several steps & diagrams are given & the relation of
> > PV, OMX core & OMX component is also shown like
>
> > OMX_Init, OMX_Deinit, OMX_GetHandle, OMX_SendCommand,
> > OMX_AllocateBuffers, OMX_UseBuffers, OMX_FreeHandle etc.
>
> > I have understood that pdf file. Now i want to move further, but dont
> > know how to start ? Can anybody help me ?
>
> > I know I have to wrap H.264 decoder with a wrapper to make it OpenMAX
> > compliant. I want to ask " What is this wrapper ? ".
>
> > " How should I start ? "
>
> > Does anybody have done this in the past ? Please share something with
> > me ?
>
> > Also, android is also having avc_h264 folder inside path "\mydroid
> > \external\opencore\codecs_v2\video". So does it mean that h.264 is
> > already ported inside android ? If not, then for what purpose is this
> > folder given.
>
> > If anybody has knowledge of ffmpeg, then there is a libavcodec folder
> > inside ffmpeg. There are certain .c & .h files for h.264. How can I
> > use that files for my work? Does anybody know about H.264 APIs for
> > interacting with OMX core ? How will they interact ? OR How can I make
> > them interact with OMX core ?
>
> > Please help me. ITS URGENT.
>
> > Thanks in advance,
>
> > Regards,
>
> > Ashish.
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