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james_huang
Beginner
61 Views

The h264 bitstream that ipp51 cannot decode correct?

Dear all,

I ran the ipp5.1 sample code (simple_player) to decode
the bitstream ftp://211.22.74.18/tmp/080317_ipp51_decoder_error.264,
It got a error, but using ipp4, and ipp5.3 sample code
that decode fine and correct. The code location with error as follows:

h264_dec.lib:umc_h264_segment_decoder_decode_mb_types.cpp:
if (m_cur_mb.GlobalMacroblockInfo->mbtype == MBTYPE_INTRA_16x16)
{
// 16x16 INTRA, code includes prediction mode and cbp info

m_cur_mb.LocalMacroblockInfo->cbp = ICBPTAB[(uCodeNum)>>2];
pMBIntraTypes[0] =
pMBIntraTypes[1] =
...
}

why? Please help me, thank you very much.

Best Regards.
James

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1 Reply
Ying_S_Intel
Employee
61 Views

Dear Customer,
We may have code changes for some bug fixes from each version of release. Can you use the correctedversion for example the latest one5.3?

Thanks,
Ying

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