Hi Gus,If I had to make a wild guess, you're trying to play an MPEG-2 system stream (a transport stream or program stream).
sample2.c only works on an MPEG-2 video elementary stream -- the raw video that is multiplexed into the system stream.
Does the file play back properly with mplayer on a normal Linux x86 machine? You might try playing with mpeg2dec and the "-s0" option to see if it's a program stream that you need to extract the video from.
Or can you post one of these files to the Web? We can take a look and tell you what's going on if you do that.
Best, Keith On Wed, 15 Jul 2009, Gus Issa wrote:
Hello, I have ported libmpeg2 to a small project running on 200Mhz ARM9. I must say it runs really fast, about 100 frames/sec for 320x240! The only problem I am having is errors in the generated frames. The pictures has too many little squares in it. They are randomly placed and of different sizes. It looks like just if I was receiving a bad MPEG file but I know my file is fine because I tried many files of different settings and I always get same thing (MPEG1 and MPEG2) I am outputting a 16bit RGB to my display and using sample2.c file. Any hints on what am I doing wrong or what file is responsible for this error would really help me. I tried standard and ARM motion_comp files and standard and ARM idct files but I always get the same results so I am assuming the error is not in motion or in idct?! I do not know anything about video compression. Gus
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