Re: [libav-devel] [PATCH 1/2] h264: skip start code search if the size of the nal unit is known

2011-12-18 Thread Ronald S. Bultje
Hi, On Sun, Dec 18, 2011 at 1:56 PM, Janne Grunau wrote: > Start code emulation prevention is only required in Annex B bytestream > packed NAL units. For other coding formats the size is already known. > Looking for a start code prefix can result in false positives like in > http://streams.videol

[libav-devel] [PATCH 1/2] h264: skip start code search if the size of the nal unit is known

2011-12-18 Thread Janne Grunau
Start code emulation prevention is only required in Annex B bytestream packed NAL units. For other coding formats the size is already known. Looking for a start code prefix can result in false positives like in http://streams.videolan.org/streams/mp4/Mr_MrsSmith-h264_aac.mp4 which has a false posit