How to parse an RTP H264 packet using FFMpeg

Question

I am new to this forum, I hope someone can help me with my problem.

I need to convert RTP H264 packets using FFMpeg to BMP files , so far I have achieved the following results:

- Reading H264 file and convert it to BMP files using FFMpeg.

- Receiving raw RTP H264 packets.

I would really appreciate if someone could help me decode RTP H264 packets using FFMpeg , I did a lot of searching over the Internet and found the following solutions:

• libavformat using rtp_h264.c , I couldn’t download the library somewhere, although there is a file, but I can’t use it without downloading the library, can someone ask me to download a link and an example, if possible?

• live555 using H264VideoRTPSource , after loading the library I did not understand how to use this code, should I create an instance of the class? or inherit it? is there an example over the internet when using H264VideoRTPSource?

Is there any other way to do this WITHOUT reading all the standards (RFC3984 and RFC6184)

Thanks.