void av_register_all(void)
{
    static int initialized;
 
    if (initialized)
        return;
    initialized = 1;
 
    avcodec_register_all();
 
    /* (de)muxers */
    REGISTER_DEMUXER  (AAC, aac);
    REGISTER_MUXDEMUX (AC3, ac3);
    REGISTER_MUXER    (ADTS, adts);
    REGISTER_DEMUXER  (AEA, aea);
    REGISTER_MUXDEMUX (AIFF, aiff);
    REGISTER_MUXDEMUX (AMR, amr);
    REGISTER_DEMUXER  (ANM, anm);
    REGISTER_DEMUXER  (APC, apc);
    REGISTER_DEMUXER  (APE, ape);
    REGISTER_MUXDEMUX (ASF, asf);
    REGISTER_MUXDEMUX (ASS, ass);
    REGISTER_MUXER    (ASF_STREAM, asf_stream);
    REGISTER_MUXDEMUX (AU, au);
    REGISTER_MUXDEMUX (AVI, avi);
    REGISTER_DEMUXER  (AVISYNTH, avisynth);
    REGISTER_MUXER    (AVM2, avm2);
    REGISTER_DEMUXER  (AVS, avs);
    REGISTER_DEMUXER  (BETHSOFTVID, bethsoftvid);
    REGISTER_DEMUXER  (BFI, bfi);
    REGISTER_DEMUXER  (BINK, bink);
    REGISTER_DEMUXER  (C93, c93);
    REGISTER_DEMUXER  (CAF, caf);
    REGISTER_DEMUXER  (CAVSVIDEO, cavsvideo);
    REGISTER_DEMUXER  (CDG, cdg);
    REGISTER_MUXER    (CRC, crc);
    REGISTER_MUXDEMUX (DAUD, daud);
    REGISTER_MUXDEMUX (DIRAC, dirac);
    REGISTER_MUXDEMUX (DNXHD, dnxhd);
    REGISTER_DEMUXER  (DSICIN, dsicin);
    REGISTER_MUXDEMUX (DTS, dts);
    REGISTER_MUXDEMUX (DV, dv);
    REGISTER_DEMUXER  (DXA, dxa);
    REGISTER_DEMUXER  (EA, ea);
    REGISTER_DEMUXER  (EA_CDATA, ea_cdata);
    REGISTER_MUXDEMUX (EAC3, eac3);
    REGISTER_MUXDEMUX (FFM, ffm);
    REGISTER_MUXDEMUX (FILMSTRIP, filmstrip);
    REGISTER_MUXDEMUX (FLAC, flac);
    REGISTER_DEMUXER  (FLIC, flic);
    REGISTER_MUXDEMUX (FLV, flv);
    REGISTER_DEMUXER  (FOURXM, fourxm);
    REGISTER_MUXER    (FRAMECRC, framecrc);
    REGISTER_MUXER    (GIF, gif);
    REGISTER_DEMUXER  (GSM, gsm);
    REGISTER_MUXDEMUX (GXF, gxf);
    REGISTER_MUXDEMUX (H261, h261);
    REGISTER_MUXDEMUX (H263, h263);
    REGISTER_MUXDEMUX (H264, h264);
    REGISTER_DEMUXER  (IDCIN, idcin);
    REGISTER_DEMUXER  (IFF, iff);
    REGISTER_MUXDEMUX (IMAGE2, image2);
    REGISTER_MUXDEMUX (IMAGE2PIPE, image2pipe);
    REGISTER_DEMUXER  (INGENIENT, ingenient);
    REGISTER_DEMUXER  (IPMOVIE, ipmovie);
    REGISTER_MUXER    (IPOD, ipod);
    REGISTER_DEMUXER  (ISS, iss);
    REGISTER_DEMUXER  (IV8, iv8);
    REGISTER_DEMUXER  (LMLM4, lmlm4);
    REGISTER_MUXDEMUX (M4V, m4v);
    REGISTER_MUXDEMUX (MATROSKA, matroska);
    REGISTER_MUXER    (MATROSKA_AUDIO, matroska_audio);
    REGISTER_MUXDEMUX (MJPEG, mjpeg);
    REGISTER_MUXDEMUX (MLP, mlp);
    REGISTER_DEMUXER  (MM, mm);
    REGISTER_MUXDEMUX (MMF, mmf);
    REGISTER_MUXDEMUX (MOV, mov);
    REGISTER_MUXER    (MP2, mp2);
    REGISTER_MUXDEMUX (MP3, mp3);
    REGISTER_MUXER    (MP4, mp4);
    REGISTER_DEMUXER  (MPC, mpc);
    REGISTER_DEMUXER  (MPC8, mpc8);
    REGISTER_MUXER    (MPEG1SYSTEM, mpeg1system);
    REGISTER_MUXER    (MPEG1VCD, mpeg1vcd);
    REGISTER_MUXER    (MPEG1VIDEO, mpeg1video);
    REGISTER_MUXER    (MPEG2DVD, mpeg2dvd);
    REGISTER_MUXER    (MPEG2SVCD, mpeg2svcd);
    REGISTER_MUXER    (MPEG2VIDEO, mpeg2video);
    REGISTER_MUXER    (MPEG2VOB, mpeg2vob);
    REGISTER_DEMUXER  (MPEGPS, mpegps);
    REGISTER_MUXDEMUX (MPEGTS, mpegts);
    REGISTER_DEMUXER  (MPEGTSRAW, mpegtsraw);
    REGISTER_DEMUXER  (MPEGVIDEO, mpegvideo);
    REGISTER_MUXER    (MPJPEG, mpjpeg);
    REGISTER_DEMUXER  (MSNWC_TCP, msnwc_tcp);
    REGISTER_DEMUXER  (MTV, mtv);
    REGISTER_DEMUXER  (MVI, mvi);
    REGISTER_MUXDEMUX (MXF, mxf);
    REGISTER_MUXER    (MXF_D10, mxf_d10);
    REGISTER_DEMUXER  (NC, nc);
    REGISTER_DEMUXER  (NSV, nsv);
    REGISTER_MUXER    (NULL, null);
    REGISTER_MUXDEMUX (NUT, nut);
    REGISTER_DEMUXER  (NUV, nuv);
    REGISTER_MUXDEMUX (OGG, ogg);
    REGISTER_DEMUXER  (OMA, oma);
    REGISTER_MUXDEMUX (PCM_ALAW,  pcm_alaw);
    REGISTER_MUXDEMUX (PCM_MULAW, pcm_mulaw);
    REGISTER_MUXDEMUX (PCM_F64BE, pcm_f64be);
    REGISTER_MUXDEMUX (PCM_F64LE, pcm_f64le);
    REGISTER_MUXDEMUX (PCM_F32BE, pcm_f32be);
    REGISTER_MUXDEMUX (PCM_F32LE, pcm_f32le);
    REGISTER_MUXDEMUX (PCM_S32BE, pcm_s32be);
    REGISTER_MUXDEMUX (PCM_S32LE, pcm_s32le);
    REGISTER_MUXDEMUX (PCM_S24BE, pcm_s24be);
    REGISTER_MUXDEMUX (PCM_S24LE, pcm_s24le);
    REGISTER_MUXDEMUX (PCM_S16BE, pcm_s16be);
    REGISTER_MUXDEMUX (PCM_S16LE, pcm_s16le);
    REGISTER_MUXDEMUX (PCM_S8,    pcm_s8);
    REGISTER_MUXDEMUX (PCM_U32BE, pcm_u32be);
    REGISTER_MUXDEMUX (PCM_U32LE, pcm_u32le);
    REGISTER_MUXDEMUX (PCM_U24BE, pcm_u24be);
    REGISTER_MUXDEMUX (PCM_U24LE, pcm_u24le);
    REGISTER_MUXDEMUX (PCM_U16BE, pcm_u16be);
    REGISTER_MUXDEMUX (PCM_U16LE, pcm_u16le);
    REGISTER_MUXDEMUX (PCM_U8,    pcm_u8);
    REGISTER_MUXER    (PSP, psp);
    REGISTER_DEMUXER  (PVA, pva);
    REGISTER_DEMUXER  (QCP, qcp);
    REGISTER_DEMUXER  (R3D, r3d);
    REGISTER_MUXDEMUX (RAWVIDEO, rawvideo);
    REGISTER_DEMUXER  (RL2, rl2);
    REGISTER_MUXDEMUX (RM, rm);
    REGISTER_MUXDEMUX (ROQ, roq);
    REGISTER_DEMUXER  (RPL, rpl);
    REGISTER_MUXER    (RTP, rtp);
    REGISTER_MUXDEMUX (RTSP, rtsp);
    REGISTER_DEMUXER  (SDP, sdp);
#if CONFIG_SDP_DEMUXER
    av_register_rtp_dynamic_payload_handlers();
    av_register_rdt_dynamic_payload_handlers();
#endif
    REGISTER_DEMUXER  (SEGAFILM, segafilm);
    REGISTER_DEMUXER  (SHORTEN, shorten);
    REGISTER_DEMUXER  (SIFF, siff);
    REGISTER_DEMUXER  (SMACKER, smacker);
    REGISTER_DEMUXER  (SOL, sol);
    REGISTER_MUXDEMUX (SOX, sox);
    REGISTER_MUXER    (SPDIF, spdif);
    REGISTER_DEMUXER  (STR, str);
    REGISTER_MUXDEMUX (SWF, swf);
    REGISTER_MUXER    (TG2, tg2);
    REGISTER_MUXER    (TGP, tgp);
    REGISTER_DEMUXER  (THP, thp);
    REGISTER_DEMUXER  (TIERTEXSEQ, tiertexseq);
    REGISTER_DEMUXER  (TMV, tmv);
    REGISTER_MUXDEMUX (TRUEHD, truehd);
    REGISTER_DEMUXER  (TTA, tta);
    REGISTER_DEMUXER  (TXD, txd);
    REGISTER_DEMUXER  (VC1, vc1);
    REGISTER_MUXDEMUX (VC1T, vc1t);
    REGISTER_DEMUXER  (VMD, vmd);
    REGISTER_MUXDEMUX (VOC, voc);
    REGISTER_DEMUXER  (VQF, vqf);
    REGISTER_DEMUXER  (W64, w64);
    REGISTER_MUXDEMUX (WAV, wav);
    REGISTER_DEMUXER  (WC3, wc3);
    REGISTER_MUXER    (WEBM, webm);
    REGISTER_DEMUXER  (WSAUD, wsaud);
    REGISTER_DEMUXER  (WSVQA, wsvqa);
    REGISTER_DEMUXER  (WV, wv);
    REGISTER_DEMUXER  (XA, xa);
    REGISTER_DEMUXER  (YOP, yop);
    REGISTER_MUXDEMUX (YUV4MPEGPIPE, yuv4mpegpipe);
 
    /* external libraries */
    REGISTER_MUXDEMUX (LIBNUT, libnut);
 
    /* protocols */
    REGISTER_PROTOCOL (FILE, file);
    REGISTER_PROTOCOL (GOPHER, gopher);
    REGISTER_PROTOCOL (HTTP, http);
    REGISTER_PROTOCOL (PIPE, pipe);
    REGISTER_PROTOCOL (RTMP, rtmp);
#if CONFIG_LIBRTMP
    REGISTER_PROTOCOL (RTMP, rtmpt);
    REGISTER_PROTOCOL (RTMP, rtmpe);
    REGISTER_PROTOCOL (RTMP, rtmpte);
    REGISTER_PROTOCOL (RTMP, rtmps);
#endif
    REGISTER_PROTOCOL (RTP, rtp);
    REGISTER_PROTOCOL (TCP, tcp);
    REGISTER_PROTOCOL (UDP, udp);
    REGISTER_PROTOCOL (CONCAT, concat);
}