The mpeg4ip player supports the following :

file formats: avi, mp4, limited .mov, .mpg (transport and program streams),
.wav, raw aac, raw mp3, raw mp4v, raw .h264
video codecs: mpeg-4 (xvid, xvid-1.0, iso reference), mpeg1/2 (libmpeg3, mpeg2dec), h.261, yuv (i420 raw) through ffmpeg: h.263, sorenson, some mjpeg, simple h.264

audio codecs: aac (faad, faad2 with separate download), mp3, celp, ac3 (with separate download), raw pcm through ffmpeg: amr nb, amr wb, g.711 alaw and ulaw

streaming capability: rtsp, sdp, rtp (rfc 1890 for raw audio, 2250 for mpeg1/2 audio and video, 3016 for mpeg4 video, 3119 for mp3, 3640 for aac/celp audio, 3267 for amr octet-aligned only), mpeg2 transport streams (mpeg2 video, mp3 and ac3 audio), both multicast and streaming.

this package contains the mp4 (aka aac) library.