the simplest way I can suggest is to decode mpeg1 stream into yuv file with using simple_player application and after that encode it into mpeg4 stream with using video_enc_con application.
I have encapsule mpeg4 encode sample into a mpeg4 encode filter for directshow, the input pin is a video and YUV2 format , the output is mpeg4 format, then I connect it to xvid mpeg4 decode filter, and render it, but nothing is displayed for my select video media file.
I do not know whether it is because of incompability of mpeg4 encode in intel ippi and xvid mpeg4 decode or not.
So I wonder whether I should encapsule mpeg4 decode in intel ippi into a filter. But I can not get ippi mpeg4 decode samples with downloaded files.
Can you help me?