https://community.intel.com/t5/Intel-Integrated-Performance/H-264-decoder-crash/m-p/782465#M1638 <SPAN style="border-collapse: collapse; font-family: Arial, sans-serif; font-size: 12px; font-weight: 200; line-height: 16px;">Hi all.</SPAN><SPAN style="font-family: verdana, sans-serif;">I'm using IPP 7.0.4.</SPAN><SPAN style="border-collapse: collapse; color: #515357; font-size: 12px; font-weight: 200; line-height: 16px;">I have got a crash with the H264 decoder when I'm </SPAN><SPAN style="border-collapse: collapse; font-family: Arial, sans-serif; font-size: 12px; font-weight: 200; line-height: 16px;">decoding the first frame coming from a Samsung H264 camera.</SPAN><DIV><SPAN style="font-family: Arial, sans-serif;"><SPAN style="border-collapse: collapse; font-size: 12px; line-height: 16px;"><BR /></SPAN></SPAN><DIV><DIV><DIV><DIV></DIV><DIV id="_mcePaste" style="font-family: verdana, sans-serif; padding: 0px; margin: 0px;">The crash appens in the UMC::H264SegmentDecoder::InitDeblockingOnce() method, accessing indexm_CurMBAddr == 80, ofm_gmbinfo-&gt;mbs[] array. Inspecting memory, it seems that this array i valid only in the range [0-53].</DIV><DIV id="_mcePaste" style="font-family: verdana, sans-serif; padding: 0px; margin: 0px;"></DIV><DIV></DIV><DIV>This is the stack-trace:</DIV><DIV></DIV></DIV></DIV></DIV><DIV><DIV id="_mcePaste">UMC::H264SegmentDecoder::InitDeblockingOnce()</DIV><DIV id="_mcePaste">UMC::H264SegmentDecoder::DeblockSegment(int iFirstMB=80, int nBorder=160)</DIV><DIV id="_mcePaste">UMC::H264SegmentDecoderMultiThreaded::DeblockSegmentTask(int iCurMBNumber=80, int &amp; iMBToProcess=5120)</DIV><DIV id="_mcePaste">UMC::H264SegmentDecoderMultiThreaded::ProcessSegment()</DIV><DIV id="_mcePaste">UMC::TaskSupplier::RunDecoding(bool force=false, UMC::H264DecoderFrame * * __formal=0x00000000)</DIV><DIV id="_mcePaste">UMC::TaskSupplier::GetFrame(UMC::MediaData * pSource=0x071f5a58, UMC::MediaData * dst=0x038d0be8)</DIV><DIV id="_mcePaste">UMC::H264VideoDecoder::GetFrameInternal(UMC::MediaData * src=0x071f5a58, UMC::MediaData * dst=0x038d0be8)</DIV><DIV id="_mcePaste">UMC::H264VideoDecoder::GetFrame(UMC::MediaData * src=0x071f5a58, UMC::MediaData * dst=0x038d0be8)</DIV><DIV></DIV>UMC::H264SegmentDecoder::InitDeblockingOnce()UMC::H264SegmentDecoder::DeblockSegment(int iFirstMB=80, int nBorder=160)UMC::H264SegmentDecoderMultiThreaded::DeblockSegmentTask(int iCurMBNumber=80, int &amp; iMBToProcess=5120)UMC::H264SegmentDecoderMultiThreaded::ProcessSegment()UMC::TaskSupplier::RunDecoding(bool force=false, UMC::H264DecoderFrame * * __formal=0x00000000)UMC::TaskSupplier::GetFrame(UMC::MediaData * pSource=0x071f5a58, UMC::MediaData * dst=0x038d0be8)UMC::H264VideoDecoder::GetFrameInternal(UMC::MediaData * src=0x071f5a58, UMC::MediaData * dst=0x038d0be8)UMC::H264VideoDecoder::GetFrame(UMC::MediaData * src=0x071f5a58, UMC::MediaData * dst=0x038d0be8)</DIV><DIV></DIV><DIV></DIV><DIV>Thank's in advance,</DIV><DIV>F. Molara - ARTECO I.V.S.</DIV></DIV> Wed, 27 Jul 2011 10:44:45 GMT Enrico_Viarani 2011-07-27T10:44:45Z https://community.intel.com/t5/Intel-Integrated-Performance/H-264-decoder-crash/m-p/782465#M1638 <SPAN style="border-collapse: collapse; font-family: Arial, sans-serif; font-size: 12px; font-weight: 200; line-height: 16px;">Hi all.</SPAN><SPAN style="font-family: verdana, sans-serif;">I'm using IPP 7.0.4.</SPAN><SPAN style="border-collapse: collapse; color: #515357; font-size: 12px; font-weight: 200; line-height: 16px;">I have got a crash with the H264 decoder when I'm </SPAN><SPAN style="border-collapse: collapse; font-family: Arial, sans-serif; font-size: 12px; font-weight: 200; line-height: 16px;">decoding the first frame coming from a Samsung H264 camera.</SPAN><DIV><SPAN style="font-family: Arial, sans-serif;"><SPAN style="border-collapse: collapse; font-size: 12px; line-height: 16px;"><BR /></SPAN></SPAN><DIV><DIV><DIV><DIV></DIV><DIV id="_mcePaste" style="font-family: verdana, sans-serif; padding: 0px; margin: 0px;">The crash appens in the UMC::H264SegmentDecoder::InitDeblockingOnce() method, accessing indexm_CurMBAddr == 80, ofm_gmbinfo-&gt;mbs[] array. Inspecting memory, it seems that this array i valid only in the range [0-53].</DIV><DIV id="_mcePaste" style="font-family: verdana, sans-serif; padding: 0px; margin: 0px;"></DIV><DIV></DIV><DIV>This is the stack-trace:</DIV><DIV></DIV></DIV></DIV></DIV><DIV><DIV id="_mcePaste">UMC::H264SegmentDecoder::InitDeblockingOnce()</DIV><DIV id="_mcePaste">UMC::H264SegmentDecoder::DeblockSegment(int iFirstMB=80, int nBorder=160)</DIV><DIV id="_mcePaste">UMC::H264SegmentDecoderMultiThreaded::DeblockSegmentTask(int iCurMBNumber=80, int &amp; iMBToProcess=5120)</DIV><DIV id="_mcePaste">UMC::H264SegmentDecoderMultiThreaded::ProcessSegment()</DIV><DIV id="_mcePaste">UMC::TaskSupplier::RunDecoding(bool force=false, UMC::H264DecoderFrame * * __formal=0x00000000)</DIV><DIV id="_mcePaste">UMC::TaskSupplier::GetFrame(UMC::MediaData * pSource=0x071f5a58, UMC::MediaData * dst=0x038d0be8)</DIV><DIV id="_mcePaste">UMC::H264VideoDecoder::GetFrameInternal(UMC::MediaData * src=0x071f5a58, UMC::MediaData * dst=0x038d0be8)</DIV><DIV id="_mcePaste">UMC::H264VideoDecoder::GetFrame(UMC::MediaData * src=0x071f5a58, UMC::MediaData * dst=0x038d0be8)</DIV><DIV></DIV>UMC::H264SegmentDecoder::InitDeblockingOnce()UMC::H264SegmentDecoder::DeblockSegment(int iFirstMB=80, int nBorder=160)UMC::H264SegmentDecoderMultiThreaded::DeblockSegmentTask(int iCurMBNumber=80, int &amp; iMBToProcess=5120)UMC::H264SegmentDecoderMultiThreaded::ProcessSegment()UMC::TaskSupplier::RunDecoding(bool force=false, UMC::H264DecoderFrame * * __formal=0x00000000)UMC::TaskSupplier::GetFrame(UMC::MediaData * pSource=0x071f5a58, UMC::MediaData * dst=0x038d0be8)UMC::H264VideoDecoder::GetFrameInternal(UMC::MediaData * src=0x071f5a58, UMC::MediaData * dst=0x038d0be8)UMC::H264VideoDecoder::GetFrame(UMC::MediaData * src=0x071f5a58, UMC::MediaData * dst=0x038d0be8)</DIV><DIV></DIV><DIV></DIV><DIV>Thank's in advance,</DIV><DIV>F. Molara - ARTECO I.V.S.</DIV></DIV> Wed, 27 Jul 2011 10:44:45 GMT https://community.intel.com/t5/Intel-Integrated-Performance/H-264-decoder-crash/m-p/782465#M1638 Enrico_Viarani 2011-07-27T10:44:45Z