[mpeg2-dev] bad quality ppm images

[anand m. <kvm...@gm...>]

hi everyone,

                 i am using mpeg2dec.c program of libmpeg2.i have modified
it in a such a way that it can accept input on a udp port. I  am using a
transport stream as an input. i am hardcoding the pid of the video as of
now. I am demuxing and then sending the packets to the decoder.But when i
save the images in a .ppm format i am seeing blocks in the .ppm frames . can
anyone help me with this problem?

regards
anand.