https://community.intel.com/t5/Intel-Integrated-Performance/H264-encoder-I-frame-start-code-problem/m-p/837078#M6025 <DIV><DIV>Hello all,<DIV></DIV><DIV>When I set both# of frames in between I frames and IDR interval to 30,</DIV><DIV>all frames are starting with code 0,0,0,1,0X21, which means P frame.</DIV><DIV></DIV><DIV>I am using mediadata object which is filled by MPEG4Decoder.GetFrame method.</DIV></DIV>And when I check encoded output frame with</DIV><DIV></DIV>encDataOut.GetFrameType() == UMC::FrameType::I_PICTURE<DIV></DIV><DIV>it returns true at every 30th frame. But why all frames are starting with 0X21, even if it is I frame ?<BR />Shouldn't I frames start with 0X25</DIV><DIV></DIV><DIV>Many thanks</DIV> Tue, 21 Dec 2010 11:40:29 GMT vardar 2010-12-21T11:40:29Z https://community.intel.com/t5/Intel-Integrated-Performance/H264-encoder-I-frame-start-code-problem/m-p/837078#M6025 <DIV><DIV>Hello all,<DIV></DIV><DIV>When I set both# of frames in between I frames and IDR interval to 30,</DIV><DIV>all frames are starting with code 0,0,0,1,0X21, which means P frame.</DIV><DIV></DIV><DIV>I am using mediadata object which is filled by MPEG4Decoder.GetFrame method.</DIV></DIV>And when I check encoded output frame with</DIV><DIV></DIV>encDataOut.GetFrameType() == UMC::FrameType::I_PICTURE<DIV></DIV><DIV>it returns true at every 30th frame. But why all frames are starting with 0X21, even if it is I frame ?<BR />Shouldn't I frames start with 0X25</DIV><DIV></DIV><DIV>Many thanks</DIV> Tue, 21 Dec 2010 11:40:29 GMT https://community.intel.com/t5/Intel-Integrated-Performance/H264-encoder-I-frame-start-code-problem/m-p/837078#M6025 vardar 2010-12-21T11:40:29Z