Is your Library written in "C" or in "C++"?
2012/2/7 yuvaraj r <[email protected]> > Hi All, > > > I compiled the ffmpeg source to generate the static(.a foramt) > libraries in linux. > > When i am linking the static libraries with my application, > > i am getting undefined reference for many functions. > > Even i tried with pkg-config. > > Here command , what i tried > > > gcc -shared -Wl,-soname,librecorder.so.1 '-Wl,-rpath,lib' -lpthread > -lXdamage -lXfixes -lXmu -lXi -lX11 > -L/home/peter/Desktop/screenrecorder/librecorder/src/../dependencies/lib > -lavformat -lavcodec -lavutil -lswscale `pkg-config --libs --cflags > libavutil` `pkg-config --libs --cflags libswscale` `pkg-config --libs > --cflags libavcodec` `pkg-config --libs --cflags libavformat` -o > librecorder.so.1.1 init.o main_entry.o xtoffmpeg.o > > > It is generated the librecorder library. I have all dependency libs > > when executing ld command > > #ld librecorder.so.1.1 > > librecorder.so.1: undefined reference to `av_new_stream' > librecorder.so.1: undefined reference to `av_read_packet' > librecorder.so.1: undefined reference to `avcodec_alloc_frame' > librecorder.so.1: undefined reference to `av_close_input_file' > librecorder.so.1: undefined reference to `audio_resample' > librecorder.so.1: undefined reference to `avcodec_find_encoder' > librecorder.so.1: undefined reference to `av_find_input_format' > librecorder.so.1: undefined reference to `avcodec_encode_audio' > librecorder.so.1: undefined reference to `dump_format' > librecorder.so.1: undefined reference to `av_open_input_file' > librecorder.so.1: undefined reference to `avcodec_find_decoder' > librecorder.so.1: undefined reference to `avcodec_close' > librecorder.so.1: undefined reference to `av_find_stream_info' > librecorder.so.1: undefined reference to `audio_resample_init' > librecorder.so.1: undefined reference to `avpicture_get_size' > librecorder.so.1: undefined reference to `av_register_all' > librecorder.so.1: undefined reference to `avcodec_decode_audio' > librecorder.so.1: undefined reference to `avcodec_open' > librecorder.so.1: undefined reference to `avcodec_encode_video' > librecorder.so.1: undefined reference to `av_destruct_packet_nofree' > librecorder.so.1: undefined reference to `avpicture_fill' > librecorder.so.1: undefined reference to `av_set_parameters' > librecorder.so.1: undefined reference to `av_alloc_format_c > > Now problem with static libraries. > > > #pkg-config --list-all | grep mpeg > libswscale libswscale - FFmpeg image rescaling > library > libavutil libavutil - FFmpeg utility library > libavformat libavformat - FFmpeg container format > library > libavcodec libavcodec - FFmpeg codec library > > > How do i solve this issue > > > Thanks > > > Yuvaraj R > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > -- *Media Encoding Cluster <http://codergrid.de>, * *the first Open Source Cluster Encoding Solution * *for distributed Media Encoding.*
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