I'm having trouble with my mpeg4 encoding. I use a standard pipeline for encoding with limited parameters : vlc -vvv v4l2:///dev/video0:input=0:width=176:height=144:adev=hw.1,0:samplerate=32000 --sout=#'transcode{vcodec=mp4v,acodec=mp4a,venc=ffmpeg{keyint=40,vt=20},vb=800,ab=16}:rtp{mp4a-latm,dst=18...