#define VLC_CODEC_GSM_MS VLC_FOURCC('a','g','s','m')
#define VLC_CODEC_ATRAC1 VLC_FOURCC('a','t','r','1')
#define VLC_CODEC_ATRAC3 VLC_FOURCC('a','t','r','c')
+#define VLC_CODEC_ATRAC3P VLC_FOURCC('a','t','r','p')
#define VLC_CODEC_IMC VLC_FOURCC(0x1,0x4,0x0,0x0)
#define VLC_CODEC_TRUESPEECH VLC_FOURCC(0x22,0x0,0x0,0x0)
#define VLC_CODEC_NELLYMOSER VLC_FOURCC('N','E','L','L')