allcodecs.c

ffmpeg源码分析

/*
 * Utils for libavcodec
 * Copyright (c) 2002 Fabrice Bellard.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file allcodecs.c
 * Utils for libavcodec.
 */

#include "avcodec.h"

/* If you do not call this function, then you can select exactly which
   formats you want to support */

/**
 * simple call to register all the codecs.
 */
void avcodec_register_all(void)
{
    static int inited = 0;

#ifdef CONFIG_WIN32
    av_log(NULL, AV_LOG_INFO, "Use a real OS!\n");
#endif

    if (inited != 0)
        return;
    inited = 1;

    /* encoders */
#ifdef CONFIG_ENCODERS
#ifdef CONFIG_AC3_ENCODER
    register_avcodec(&ac3_encoder);
#endif //CONFIG_AC3_ENCODER
#ifdef CONFIG_MP2_ENCODER
    register_avcodec(&mp2_encoder);
#endif //CONFIG_MP2_ENCODER
#ifdef CONFIG_MP3LAME
#ifdef CONFIG_MP3LAME_ENCODER
    register_avcodec(&mp3lame_encoder);
#endif //CONFIG_MP3LAME_ENCODER
#endif
#ifdef CONFIG_LIBVORBIS
#ifdef CONFIG_OGGVORBIS_ENCODER
    register_avcodec(&oggvorbis_encoder);
#endif //CONFIG_OGGVORBIS_ENCODER
#if (defined CONFIG_OGGVORBIS_DECODER && !defined CONFIG_VORBIS_DECODER)
    register_avcodec(&oggvorbis_decoder);
#endif //CONFIG_OGGVORBIS_DECODER
#endif
#ifdef CONFIG_LIBTHEORA
#ifdef CONFIG_OGGTHEORA_ENCODER
//    register_avcodec(&oggtheora_encoder);
#endif //CONFIG_OGGTHEORA_ENCODER
#ifdef CONFIG_OGGTHEORA_DECODER
    register_avcodec(&oggtheora_decoder);
#endif //CONFIG_OGGTHEORA_DECODER
#endif
#ifdef CONFIG_FAAC
#ifdef CONFIG_FAAC_ENCODER
    register_avcodec(&faac_encoder);
#endif //CONFIG_FAAC_ENCODER
#endif
#ifdef CONFIG_XVID
#ifdef CONFIG_XVID_ENCODER
    register_avcodec(&xvid_encoder);
#endif //CONFIG_XVID_ENCODER
#endif
#ifdef CONFIG_MPEG1VIDEO_ENCODER
    register_avcodec(&mpeg1video_encoder);
#endif //CONFIG_MPEG1VIDEO_ENCODER
#ifdef CONFIG_H264_ENCODER
//    register_avcodec(&h264_encoder);
#endif //CONFIG_H264_ENCODER
#ifdef CONFIG_MPEG2VIDEO_ENCODER
    register_avcodec(&mpeg2video_encoder);
#endif //CONFIG_MPEG2VIDEO_ENCODER
#ifdef CONFIG_H261_ENCODER
    register_avcodec(&h261_encoder);
#endif //CONFIG_H261_ENCODER
#ifdef CONFIG_H263_ENCODER
    register_avcodec(&h263_encoder);
#endif //CONFIG_H263_ENCODER
#ifdef CONFIG_H263P_ENCODER
    register_avcodec(&h263p_encoder);
#endif //CONFIG_H263P_ENCODER
#ifdef CONFIG_FLV_ENCODER
    register_avcodec(&flv_encoder);
#endif //CONFIG_FLV_ENCODER
#ifdef CONFIG_RV10_ENCODER
    register_avcodec(&rv10_encoder);
#endif //CONFIG_RV10_ENCODER
#ifdef CONFIG_RV20_ENCODER
    register_avcodec(&rv20_encoder);
#endif //CONFIG_RV20_ENCODER
#ifdef CONFIG_MPEG4_ENCODER
    register_avcodec(&mpeg4_encoder);
#endif //CONFIG_MPEG4_ENCODER
#ifdef CONFIG_MSMPEG4V1_ENCODER
    register_avcodec(&msmpeg4v1_encoder);
#endif //CONFIG_MSMPEG4V1_ENCODER
#ifdef CONFIG_MSMPEG4V2_ENCODER
    register_avcodec(&msmpeg4v2_encoder);
#endif //CONFIG_MSMPEG4V2_ENCODER
#ifdef CONFIG_MSMPEG4V3_ENCODER
    register_avcodec(&msmpeg4v3_encoder);
#endif //CONFIG_MSMPEG4V3_ENCODER
#ifdef CONFIG_WMV1_ENCODER
    register_avcodec(&wmv1_encoder);
#endif //CONFIG_WMV1_ENCODER
#ifdef CONFIG_WMV2_ENCODER
    register_avcodec(&wmv2_encoder);
#endif //CONFIG_WMV2_ENCODER
#ifdef CONFIG_SVQ1_ENCODER
    register_avcodec(&svq1_encoder);
#endif //CONFIG_SVQ1_ENCODER
#ifdef CONFIG_MJPEG_ENCODER
    register_avcodec(&mjpeg_encoder);
#endif //CONFIG_MJPEG_ENCODER
#ifdef CONFIG_LJPEG_ENCODER
    register_avcodec(&ljpeg_encoder);
#endif //CONFIG_LJPEG_ENCODER
#ifdef CONFIG_JPEGLS_ENCODER
    register_avcodec(&jpegls_encoder);
#endif //CONFIG_JPEGLS_ENCODER
#ifdef CONFIG_ZLIB
#ifdef CONFIG_PNG_ENCODER
    register_avcodec(&png_encoder);
#endif //CONFIG_PNG_ENCODER
#endif
#ifdef CONFIG_PPM_ENCODER
    register_avcodec(&ppm_encoder);
#endif //CONFIG_PPM_ENCODER
#ifdef CONFIG_PGM_ENCODER
    register_avcodec(&pgm_encoder);
#endif //CONFIG_PGM_ENCODER
#ifdef CONFIG_PGMYUV_ENCODER
    register_avcodec(&pgmyuv_encoder);
#endif //CONFIG_PGMYUV_ENCODER
#ifdef CONFIG_PBM_ENCODER
    register_avcodec(&pbm_encoder);
#endif //CONFIG_PBM_ENCODER
#ifdef CONFIG_PAM_ENCODER
    register_avcodec(&pam_encoder);
#endif //CONFIG_PAM_ENCODER
#ifdef CONFIG_HUFFYUV_ENCODER
    register_avcodec(&huffyuv_encoder);
#endif //CONFIG_HUFFYUV_ENCODER
#ifdef CONFIG_FFVHUFF_ENCODER
    register_avcodec(&ffvhuff_encoder);
#endif //CONFIG_FFVHUFF_ENCODER
#ifdef CONFIG_ASV1_ENCODER
    register_avcodec(&asv1_encoder);
#endif //CONFIG_ASV1_ENCODER
#ifdef CONFIG_ASV2_ENCODER
    register_avcodec(&asv2_encoder);
#endif //CONFIG_ASV2_ENCODER
#ifdef CONFIG_FFV1_ENCODER
    register_avcodec(&ffv1_encoder);
#endif //CONFIG_FFV1_ENCODER
#ifdef CONFIG_SNOW_ENCODER
    register_avcodec(&snow_encoder);
#endif //CONFIG_SNOW_ENCODER
#ifdef CONFIG_ZLIB_ENCODER
    register_avcodec(&zlib_encoder);
#endif //CONFIG_ZLIB_ENCODER
#ifdef CONFIG_DVVIDEO_ENCODER
    register_avcodec(&dvvideo_encoder);
#endif //CONFIG_DVVIDEO_ENCODER
#ifdef CONFIG_SONIC_ENCODER
    register_avcodec(&sonic_encoder);
#endif //CONFIG_SONIC_ENCODER
#ifdef CONFIG_SONIC_LS_ENCODER
    register_avcodec(&sonic_ls_encoder);
#endif //CONFIG_SONIC_LS_ENCODER
#ifdef CONFIG_X264
#ifdef CONFIG_X264_ENCODER
    register_avcodec(&x264_encoder);
#endif //CONFIG_X264_ENCODER
#endif
#ifdef CONFIG_LIBGSM
    register_avcodec(&libgsm_encoder);
#endif //CONFIG_LIBGSM
#ifdef CONFIG_RAWVIDEO_ENCODER
    register_avcodec(&rawvideo_encoder);
#endif //CONFIG_RAWVIDEO_ENCODER
#endif /* CONFIG_ENCODERS */

    /* decoders */
#ifdef CONFIG_DECODERS
#ifdef CONFIG_H263_DECODER
    register_avcodec(&h263_decoder);
#endif //CONFIG_H263_DECODER
#ifdef CONFIG_H261_DECODER
    register_avcodec(&h261_decoder);
#endif //CONFIG_H261_DECODER
#ifdef CONFIG_MPEG4_DECODER
    register_avcodec(&mpeg4_decoder);
#endif //CONFIG_MPEG4_DECODER
#ifdef CONFIG_MSMPEG4V1_DECODER
    register_avcodec(&msmpeg4v1_decoder);
#endif //CONFIG_MSMPEG4V1_DECODER
#ifdef CONFIG_MSMPEG4V2_DECODER
    register_avcodec(&msmpeg4v2_decoder);
#endif //CONFIG_MSMPEG4V2_DECODER
#ifdef CONFIG_MSMPEG4V3_DECODER
    register_avcodec(&msmpeg4v3_decoder);
#endif //CONFIG_MSMPEG4V3_DECODER
#ifdef CONFIG_WMV1_DECODER
    register_avcodec(&wmv1_decoder);
#endif //CONFIG_WMV1_DECODER
#ifdef CONFIG_WMV2_DECODER
    register_avcodec(&wmv2_decoder);
#endif //CONFIG_WMV2_DECODER
#ifdef CONFIG_VC9_DECODER
    register_avcodec(&vc9_decoder);
#endif //CONFIG_VC9_DECODER
/* Reenable when it stops crashing on every file, causing bug report spam.
#ifdef CONFIG_WMV3_DECODER
    register_avcodec(&wmv3_decoder);
#endif //CONFIG_WMV3_DECODER
*/
#ifdef CONFIG_H263I_DECODER
    register_avcodec(&h263i_decoder);
#endif //CONFIG_H263I_DECODER
#ifdef CONFIG_FLV_DECODER
    register_avcodec(&flv_decoder);
#endif //CONFIG_FLV_DECODER
#ifdef CONFIG_RV10_DECODER
    register_avcodec(&rv10_decoder);
#endif //CONFIG_RV10_DECODER
#ifdef CONFIG_RV20_DECODER
    register_avcodec(&rv20_decoder);
#endif //CONFIG_RV20_DECODER
#ifdef CONFIG_SVQ1_DECODER
    register_avcodec(&svq1_decoder);
#endif //CONFIG_SVQ1_DECODER
#ifdef CONFIG_SVQ3_DECODER
    register_avcodec(&svq3_decoder);
#endif //CONFIG_SVQ3_DECODER
#ifdef CONFIG_WMAV1_DECODER
    register_avcodec(&wmav1_decoder);
#endif //CONFIG_WMAV1_DECODER
#ifdef CONFIG_WMAV2_DECODER
    register_avcodec(&wmav2_decoder);
#endif //CONFIG_WMAV2_DECODER
#ifdef CONFIG_INDEO2_DECODER
    register_avcodec(&indeo2_decoder);
#endif //CONFIG_INDEO2_DECODER
#ifdef CONFIG_INDEO3_DECODER
    register_avcodec(&indeo3_decoder);
#endif //CONFIG_INDEO3_DECODER
#ifdef CONFIG_TSCC_DECODER
    register_avcodec(&tscc_decoder);
#endif //CONFIG_TSCC_DECODER
#ifdef CONFIG_CSCD_DECODER
    register_avcodec(&cscd_decoder);
#endif //CONFIG_CSCD_DECODER
#ifdef CONFIG_NUV_DECODER
    register_avcodec(&nuv_decoder);
#endif //CONFIG_NUV_DECODER
#ifdef CONFIG_ULTI_DECODER
    register_avcodec(&ulti_decoder);
#endif //CONFIG_ULTI_DECODER
#ifdef CONFIG_QDRAW_DECODER
    register_avcodec(&qdraw_decoder);
#endif //CONFIG_QDRAW_DECODER
#ifdef CONFIG_XL_DECODER
    register_avcodec(&xl_decoder);
#endif //CONFIG_XL_DECODER
#ifdef CONFIG_QPEG_DECODER
    register_avcodec(&qpeg_decoder);
#endif //CONFIG_QPEG_DECODER
#ifdef CONFIG_LOCO_DECODER
    register_avcodec(&loco_decoder);
#endif //CONFIG_LOCO_DECODER
#ifdef CONFIG_WNV1_DECODER
    register_avcodec(&wnv1_decoder);
#endif //CONFIG_WNV1_DECODER
#ifdef CONFIG_AASC_DECODER
    register_avcodec(&aasc_decoder);
#endif //CONFIG_AASC_DECODER
#ifdef CONFIG_FRAPS_DECODER
    register_avcodec(&fraps_decoder);
#endif //CONFIG_FRAPS_DECODER
#ifdef CONFIG_FAAD
#ifdef CONFIG_AAC_DECODER
    register_avcodec(&aac_decoder);
#endif //CONFIG_AAC_DECODER
#ifdef CONFIG_MPEG4AAC_DECODER
    register_avcodec(&mpeg4aac_decoder);
#endif //CONFIG_MPEG4AAC_DECODER
#endif
#ifdef CONFIG_MPEG1VIDEO_DECODER
    register_avcodec(&mpeg1video_decoder);
#endif //CONFIG_MPEG1VIDEO_DECODER
#ifdef CONFIG_MPEG2VIDEO_DECODER
    register_avcodec(&mpeg2video_decoder);
#endif //CONFIG_MPEG2VIDEO_DECODER
#ifdef CONFIG_MPEGVIDEO_DECODER
    register_avcodec(&mpegvideo_decoder);
#endif //CONFIG_MPEGVIDEO_DECODER
#ifdef HAVE_XVMC
#ifdef CONFIG_MPEG_XVMC_DECODER
    register_avcodec(&mpeg_xvmc_decoder);
#endif //CONFIG_MPEG_XVMC_DECODER
#endif
#ifdef CONFIG_DVVIDEO_DECODER
    register_avcodec(&dvvideo_decoder);
#endif //CONFIG_DVVIDEO_DECODER
#ifdef CONFIG_MJPEG_DECODER
    register_avcodec(&mjpeg_decoder);
#endif //CONFIG_MJPEG_DECODER
#ifdef CONFIG_MJPEGB_DECODER