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Re: DM642 display issue

Started by srih...@gmail.com March 1, 2010
Hi..
Can you pls suggest a program to display .yuv video file to monitor...
>
>
> Hi DSP experts,
> �
> I am facing some problem�while displaying�decoded images through�DM642's�video port to PAL TV. I am using DDK 1.1.0 and able to display YUV images decoded through our H.264 decoder. But the problem is that I�could not see the exact�fps even though my decoder is decoding at the rate of 30fps for CIF. In profiling iam getting some 30 fps for CIF but in display i could see well less than�30 fps (may be 3-5fps).�What may be the reason.
> �
> I am�just displaying YUV 4:2:2 frame by frame as and when�my decoder decoded full�image. I am not using any threads as used in MPEG-2 example code.�Using threads i.e process�and display threads are a bit difficult for me�as I am not sure how to use these threads. Is threads are compulsory if i want to get the exact FPS.
> �
> expecting a quick reply from you. I appreciate if u could refer me any documentation�on this..
> �
> Thanks & Regards --------------------------------- P. Prabhakar Digital Video Group GDA Technologies Ltd 32 & 46 North Phase Thiru Ve Ka Industrial Estate Ekkatuthangal Chennai - 600 097 India Email: p...@gdatech.co.in Mobile: 09840517282 Office : 044-30613429
>

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Sriharsha-

> Can you pls suggest a program to display .yuv video file to monitor...

Suggest to search dsprelated.com archives for 'convert YUV to RGB' or similar. This is a common issue.

-Jeff

>> Hi DSP experts,
>> �
>> I am facing some problem�while displaying�decoded images through�DM642's�video port to PAL TV. I am using
>> DDK 1.1.0 and able to display YUV images decoded through our H.264 decoder. But the problem is that I�could not
>> see the exact�fps even though my decoder is decoding at the rate of 30fps for CIF. In profiling iam getting
>> some 30 fps for CIF but in display i could see well less than�30 fps (may be 3-5fps).�What may be the reason.
>> �
>> I am�just displaying YUV 4:2:2 frame by frame as and when�my decoder decoded full�image. I am not using any
>> threads as used in MPEG-2 example code.�Using threads i.e process�and display threads are a bit difficult for
>> me�as I am not sure how to use these threads. Is threads are compulsory if i want to get the exact FPS.
>> �
>> expecting a quick reply from you. I appreciate if u could refer me any documentation�on this..
>> �
>> Thanks & Regards --------------------------------- P. Prabhakar Digital Video Group GDA Technologies Ltd 32
>> & 46 North Phase Thiru Ve Ka Industrial Estate Ekkatuthangal Chennai - 600 097 India Email:
>> p...@gdatech.co.in Mobile: 09840517282 Office : 044-30613429

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