Build failed on Ubuntu 20.04

[rajbhar]

While i resolved several dependencies but i am still not able to get throuh the error below.

In file included from /usr/include/x86_64-linux-gnu/libavformat/avformat.h:317,
from ./QtAV/private/AVCompat.h:46,
from ./QtAV/private/AVEncoder_p.h:29,
from codec/audio/AudioEncoderFFmpeg.cpp:23:
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:5423:5: note: declared here
5423 | int avcodec_encode_audio2(AVCodecContext *avctx, AVPacket *avpkt,
| ^~~~~~~~~~~~~~~~~~~~~
make[3]: *** [Makefile.libQtAV:2115: ../.obj/QtAV_linux_x86_64/AudioEncoderFFmpeg.o] Error 1
make[3]: Leaving directory '/home/rajneesh/workspace/community_proj/yasem/plugins/yasem-qtav-mediaplayer/QtAV/src'
make[2]: *** [Makefile:50: sub-src-libQtAV-pro-make_first] Error 2
make[2]: Leaving directory '/home/rajneesh/workspace/community_proj/yasem/plugins/yasem-qtav-mediaplayer/QtAV'
make[1]: *** [Makefile:48: sub-QtAV-make_first-ordered] Error 2
make[1]: Leaving directory '/home/rajneesh/workspace/community_proj/yasem/plugins/yasem-qtav-mediaplayer'
make: *** [Makefile:447: sub-plugins-yasem-qtav-mediaplayer-make_first-ordered] Error