flvenc_init(); flvdec_init();
void av_register_all(void){    avcodec_init();    avcodec_register_all();    mpegps_init();    mpegts_init();    crc_init();    img_init();    raw_init();    rm_init();#ifdef CONFIG_RISKY    asf_init();#endif    avienc_init();    avidec_init();    wav_init();    swf_init();    au_init();    gif_init();    mov_init();    jpeg_init();    dv_init();    fourxm_init();#ifdef AMR_NB    amr_init();#endif    av_register_output_format(&yuv4mpegpipe_oformat);    #ifdef CONFIG_VORBIS    ogg_init();#endif#ifndef CONFIG_WIN32    ffm_init();#endif#ifdef CONFIG_VIDEO4LINUX    video_grab_init();#endif#if defined(CONFIG_AUDIO_OSS) || defined(CONFIG_AUDIO_BEOS)    audio_init();#endif#ifdef CONFIG_DV1394    dv1394_init();#endif    /* image formats */    av_register_image_format(&pnm_image_format);    av_register_image_format(&pbm_image_format);    av_register_image_format(&pgm_image_format);    av_register_image_format(&ppm_image_format);    av_register_image_format(&pam_image_format);    av_register_image_format(&pgmyuv_image_format);    av_register_image_format(&yuv_image_format);#ifdef CONFIG_ZLIB    av_register_image_format(&png_image_format);#endif    av_register_image_format(&jpeg_image_format);    av_register_image_format(&gif_image_format);    /* file protocols */    register_protocol(&file_protocol);    register_protocol(&pipe_protocol);#ifdef CONFIG_NETWORK    rtsp_init();    rtp_init();    register_protocol(&udp_protocol);    register_protocol(&rtp_protocol);    register_protocol(&tcp_protocol);    register_protocol(&http_protocol);#endif}