Errors while installing OpenCV2.3.1 and FFMPEG Ubuntu

n file included from /OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg.cpp:45:/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp: In member function 'void CvCapture_FFMPEG::close()':/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:451: warning: 'void av_close_input_file(AVFormatContext*)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1533)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:451: warning: 'void av_close_input_file(AVFormatContext*)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1533)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp: In member function 'bool CvCapture_FFMPEG::reopen()':/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:483: warning: 'void av_close_input_file(AVFormatContext*)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1533)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:483: warning: 'void av_close_input_file(AVFormatContext*)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1533)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:486: error: 'av_open_input_file' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:487: warning: 'int av_find_stream_info(AVFormatContext*)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1357)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:487: warning: 'int av_find_stream_info(AVFormatContext*)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1357)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:494: error: 'avcodec_thread_init' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:497: warning: 'int avcodec_open(AVCodecContext*, AVCodec*)' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:3380)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:497: warning: 'int avcodec_open(AVCodecContext*, AVCodec*)' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:3380)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp: In member function 'bool CvCapture_FFMPEG::open(const char*)':/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:524: error: 'av_open_input_file' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:529: warning: 'int av_find_stream_info(AVFormatContext*)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1357)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:529: warning: 'int av_find_stream_info(AVFormatContext*)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1357)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:541: error: 'avcodec_thread_init' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:550: warning: 'int avcodec_open(AVCodecContext*, AVCodec*)' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:3380)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:550: warning: 'int avcodec_open(AVCodecContext*, AVCodec*)' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:3380)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp: In function 'AVStream* icv_add_video_stream_FFMPEG(AVFormatContext*, CodecID, int, int, int, double, int)':/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:999: warning: 'AVStream* av_new_stream(AVFormatContext*, int)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1557)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:999: warning: 'AVStream* av_new_stream(AVFormatContext*, int)' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1557)In file included from /OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg.cpp:45:/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp: In function 'int icv_av_write_frame_FFMPEG(AVFormatContext*, AVStream*, uint8_t*, uint32_t, AVFrame*)':/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1121: warning: 'int avcodec_encode_video(AVCodecContext*, uint8_t*, int, const AVFrame*)' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:4077)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1121: warning: 'int avcodec_encode_video(AVCodecContext*, uint8_t*, int, const AVFrame*)' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:4077)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp: In member function 'void CvVideoWriter_FFMPEG::close()':/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1298: error: 'url_fclose' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp: In member function 'bool CvVideoWriter_FFMPEG::open(const char*, int, double, int, int, bool)':/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1411: error: 'av_set_parameters' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1415: error: 'dump_format' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1442: warning: 'int avcodec_open(AVCodecContext*, AVCodec*)' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:3380)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1442: warning: 'int avcodec_open(AVCodecContext*, AVCodec*)' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:3380)/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1479: error: 'URL_WRONLY' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1479: error: 'url_fopen' was not declared in this scope/OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp:1485: error: 'av_write_header' was not declared in this scope20:09:04: make[2]: *** [modules/highgui/CMakeFiles/opencv_highgui.dir/src/cap_ffmpeg.o] Error 120:09:04: make[1]: *** [modules/highgui/CMakeFiles/opencv_highgui.dir/all] Error 2下载ffmpeg-0.8，解压文件夹，进去里面运行，./configure,然后make all， 然后make install，如果权限不够的话，sudo make install