I have everything relevent with the requirement of PJSIP for video support. Any body can help me out to get rid of these compilation issues.. I am very frustrated of these errors.. libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _av_codec_next referenced in function _pjmedia_codec_ffmpeg_init 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _av_log_set_level referenced in function _pjmedia_codec_ffmpeg_init 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _avcodec_register_all referenced in function _pjmedia_codec_ffmpeg_init 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _avcodec_init referenced in function _pjmedia_codec_ffmpeg_init 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _av_free referenced in function _open_ffmpeg_codec 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _avcodec_close referenced in function _open_ffmpeg_codec 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _avcodec_open referenced in function _open_ffmpeg_codec 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _avcodec_alloc_context3 referenced in function _open_ffmpeg_codec 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _av_strerror referenced in function _print_ffmpeg_err 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _avcodec_encode_video referenced in function _ffmpeg_codec_encode_whole 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _avcodec_get_frame_defaults referenced in function _ffmpeg_codec_encode_whole 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _avcodec_decode_video2 referenced in function _ffmpeg_codec_decode_whole 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_codecs.obj) : error LNK2019: unresolved external symbol _av_init_packet referenced in function _ffmpeg_codec_decode_whole 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_GetWindowID referenced in function _find_stream 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_DestroyWindow referenced in function _sdl_destroy_all 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_DestroyRenderer referenced in function _sdl_destroy 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_DestroyTexture referenced in function _sdl_destroy 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_RenderSetViewport referenced in function _resize_disp 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_RenderPresent referenced in function _put_frame 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_RenderCopy referenced in function _put_frame 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_RenderClear referenced in function _put_frame 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_UpdateTexture referenced in function _put_frame 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_CreateTexture referenced in function _sdl_create_rend 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_CreateRenderer referenced in function _sdl_create_rend 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_CreateWindow referenced in function _sdl_create_rend 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_CreateWindowFrom referenced in function _sdl_create_rend 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_GetWindowFlags referenced in function _get_cap 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_GetWindowSize referenced in function _get_cap 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_GetWindowPosition referenced in function _get_cap 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_GetWindowWMInfo referenced in function _get_cap 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_SetWindowSize referenced in function _set_cap 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_HideWindow referenced in function _set_cap 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_SetWindowPosition referenced in function _set_cap 21>libpjproject-i386-win32-vc8-debug.lib(sdl_dev.obj) : error LNK2019: unresolved external symbol _SDL_ShowWindow referenced in function _set_cap 21>libpjproject-i386-win32-vc8-debug.lib(ffmpeg_util.obj) : error LNK2019: unresolved external symbol _av_register_all referenced in function _pjmedia_ffmpeg_add_ref 21>libpjproject-i386-win32-vc8-debug.lib(converter_libswscale.obj) : error LNK2019: unresolved external symbol _sws_getContext referenced in function _factory_create_converter 21>libpjproject-i386-win32-vc8-debug.lib(converter_libswscale.obj) : error LNK2019: unresolved external symbol _sws_scale referenced in function _libswscale_conv_convert 21>libpjproject-i386-win32-vc8-debug.lib(converter_libswscale.obj) : error LNK2019: unresolved external symbol _sws_freeContext referenced in function _libswscale_conv_destroy 21>libpjproject-i386-win32-vc8-debug.lib(dshowclasses.obj) : error LNK2019: unresolved external symbol "public: __thiscall CBaseRenderer::CBaseRenderer(struct _GUID const &,char const *,struct IUnknown *,long *)" (??0CBaseRenderer@@QAE at ABU_GUID@@PBDPAUIUnknown@@PAJ at Z) referenced in function "public: __thiscall NullRenderer::NullRenderer(long *)" (??0NullRenderer@@QAE at PAJ@Z) 21>..\bin\pjsua-i386-Win32-vc8-Debug.exe : fatal error LNK1120: 39 unresolved externals Usman -------------- next part -------------- An HTML attachment was scrubbed... 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