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• Ffmpeg c++ can't compile with libxh264

  10 septembre 2022, par Turgut

  I made a program that uses the source version of ffmpeg. I get the code from it's website and compile/configured it. The problem is I want to configure it with the libx264 flag so it looks like this :

  


  ./configure --enable-shared --enable-libx264 --enable-gpl


  


  Ffmpeg itself compiles with no errors, however when I try to compile my own code using make I get this error :

  


  /usr/bin/cmake -E cmake_link_script CMakeFiles/Renderer.dir/link.txt --verbose=1
/usr/bin/c++ -O3 -DNDEBUG CMakeFiles/Renderer.dir/src/main.cpp.o CMakeFiles/Renderer.dir/src/Application.cpp.o CMakeFiles/Renderer.dir/src/opengl/OpenGLRenderer.cpp.o CMakeFiles/Renderer.dir/src/opengl/texture.cpp.o CMakeFiles/Renderer.dir/src/opengl/text_render.cpp.o CMakeFiles/Renderer.dir/src/opengl/image_render.cpp.o CMakeFiles/Renderer.dir/src/logging/Log.cpp.o CMakeFiles/Renderer.dir/src/utils/color_converter.cpp.o CMakeFiles/Renderer.dir/src/utils/maths.cpp.o CMakeFiles/Renderer.dir/src/utils/sys_util.cpp.o CMakeFiles/Renderer.dir/src/types/segment.cpp.o CMakeFiles/Renderer.dir/src/types/timeline.cpp.o CMakeFiles/Renderer.dir/src/coms/json_parser.cpp.o CMakeFiles/Renderer.dir/src/coms/socket.cpp.o CMakeFiles/Renderer.dir/src/video_io/video_encoder.cpp.o CMakeFiles/Renderer.dir/src/video_io/video_decode.cpp.o CMakeFiles/Renderer.dir/src/video_io/audio_mixer.cpp.o CMakeFiles/Renderer.dir/lib/glad/src/glad.c.o -o bin/Renderer  /usr/local/lib/libavformat.a /usr/local/lib/libavcodec.a /usr/local/lib/libswresample.a /usr/local/lib/libswscale.a /usr/local/lib/libavutil.a /usr/local/lib/libavdevice.a /usr/lib/x86_64-linux-gnu/libGL.so /usr/lib/x86_64-linux-gnu/libGLU.so /usr/lib/x86_64-linux-gnu/libfreetype.so lib/glfw/src/libglfw3.a lib/spdlog/libspdlog.a /usr/lib/x86_64-linux-gnu/libz.so /usr/lib/x86_64-linux-gnu/librt.a -lm -ldl /usr/lib/x86_64-linux-gnu/libX11.so 
/usr/bin/ld: /usr/local/lib/libavcodec.a(libx264.o): in function `X264_frame':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:349: undefined reference to `x264_picture_init'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:518: undefined reference to `x264_encoder_encode'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:551: undefined reference to `x264_encoder_delayed_frames'
/usr/bin/ld: /usr/local/lib/libavcodec.a(libx264.o): in function `reconfig_encoder':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:297: undefined reference to `x264_encoder_reconfig'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:212: undefined reference to `x264_encoder_reconfig'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:224: undefined reference to `x264_encoder_reconfig'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:250: undefined reference to `x264_encoder_reconfig'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:217: undefined reference to `x264_encoder_reconfig'
/usr/bin/ld: /usr/local/lib/libavcodec.a(libx264.o):/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:230: more undefined references to `x264_encoder_reconfig' follow
/usr/bin/ld: /usr/local/lib/libavcodec.a(libx264.o): in function `X264_close':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:605: undefined reference to `x264_param_cleanup'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:609: undefined reference to `x264_encoder_close'
/usr/bin/ld: /usr/local/lib/libavcodec.a(libx264.o): in function `parse_opts':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:621: undefined reference to `x264_param_parse'
/usr/bin/ld: /usr/local/lib/libavcodec.a(libx264.o): in function `X264_init':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:699: undefined reference to `x264_param_default'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:704: undefined reference to `x264_param_default_preset'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:729: undefined reference to `x264_param_parse'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:763: undefined reference to `x264_param_parse'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:795: undefined reference to `x264_levels'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:820: undefined reference to `x264_param_parse'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:821: undefined reference to `x264_param_parse'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:822: undefined reference to `x264_param_parse'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:823: undefined reference to `x264_param_parse'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:883: undefined reference to `x264_param_apply_fastfirstpass'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:924: undefined reference to `x264_param_apply_profile'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:1012: undefined reference to `x264_param_parse'From the updated error it appears you're explicitly linking with /usr/local/lib/libavcodec.a etc. So the problem almost certainly lies with your CMakeLists.txt file(s). – 

/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:1032: undefined reference to `x264_encoder_open_163'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:1041: undefined reference to `x264_encoder_headers'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/libx264.c:1072: undefined reference to `x264_encoder_maximum_delayed_frames'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode_h264.o): in function `vaapi_encode_h264_configure':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode_h264.c:1096: undefined reference to `vaQueryVendorString'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode_h265.o): in function `vaapi_encode_h265_get_encoder_caps':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode_h265.c:1176: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode_h265.c:1190: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_wait':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:157: undefined reference to `vaSyncBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:168: undefined reference to `vaSyncSurface'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:170: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:161: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_free_output_buffer':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2412: undefined reference to `vaDestroyBuffer'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_make_packed_header':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:60: undefined reference to `vaCreateBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:71: undefined reference to `vaCreateBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:64: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:75: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_make_param_buffer':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:101: undefined reference to `vaCreateBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:104: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_alloc_output_buffer':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2430: undefined reference to `vaCreateBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2435: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2447: undefined reference to `vaDestroyBuffer'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_issue':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:637: undefined reference to `vaDestroyBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:583: undefined reference to `vaBeginPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:592: undefined reference to `vaRenderPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:601: undefined reference to `vaEndPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:618: undefined reference to `vaDestroyBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:621: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:595: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:634: undefined reference to `vaEndPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:586: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:603: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_output':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:668: undefined reference to `vaMapBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:699: undefined reference to `vaUnmapBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:701: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:671: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:715: undefined reference to `vaUnmapBuffer'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_profile_entrypoint':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1381: undefined reference to `vaMaxNumProfiles'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1387: undefined reference to `vaQueryConfigProfiles'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1389: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1411: undefined reference to `vaProfileStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1441: undefined reference to `vaMaxNumEntrypoints'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1447: undefined reference to `vaQueryConfigEntrypoints'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1450: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1474: undefined reference to `vaEntrypointStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1499: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1503: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_init_rate_control':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1574: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1578: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_init_gop_structure':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1953: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1958: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1977: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1982: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_init_slice_structure':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2206: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2211: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_init_packed_headers':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2269: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2274: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_init_roi':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2377: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2382: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_init_quality':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2331: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2336: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `vaapi_encode_init_max_frame_size':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1902: undefined reference to `vaGetConfigAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:1908: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `ff_vaapi_encode_init':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2630: undefined reference to `vaCreateConfig'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2635: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2646: undefined reference to `vaCreateContext'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2653: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2727: undefined reference to `vaSyncBuffer'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_encode.o): in function `ff_vaapi_encode_close':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2762: undefined reference to `vaDestroyContext'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_encode.c:2767: undefined reference to `vaDestroyConfig'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `ff_vaapi_decode_destroy_buffers':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:133: undefined reference to `vaDestroyBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:143: undefined reference to `vaDestroyBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:146: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:136: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `vaapi_decode_make_config':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:468: undefined reference to `vaMaxNumProfiles'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:476: undefined reference to `vaQueryConfigProfiles'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:540: undefined reference to `vaCreateConfig'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `vaapi_decode_find_best_format':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:310: undefined reference to `vaQuerySurfaceAttributes'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:322: undefined reference to `vaQuerySurfaceAttributes'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `vaapi_decode_make_config':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:624: undefined reference to `vaDestroyConfig'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:479: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:544: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `vaapi_decode_find_best_format':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:325: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:313: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `ff_vaapi_decode_make_param_buffer':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:44: undefined reference to `vaCreateBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:47: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `ff_vaapi_decode_make_slice_buffer':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:90: undefined reference to `vaCreateBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:104: undefined reference to `vaCreateBuffer'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:95: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:109: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:112: undefined reference to `vaDestroyBuffer'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `ff_vaapi_decode_issue':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:163: undefined reference to `vaBeginPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:172: undefined reference to `vaRenderPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:181: undefined reference to `vaRenderPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:190: undefined reference to `vaEndPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:192: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:166: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:210: undefined reference to `vaEndPicture'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:212: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:175: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:184: undefined reference to `vaErrorStr'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `ff_vaapi_common_frame_params':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:650: undefined reference to `vaDestroyConfig'
/usr/bin/ld: /usr/local/lib/libavcodec.a(vaapi_decode.o): in function `ff_vaapi_decode_uninit':
/home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:707: undefined reference to `vaDestroyContext'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:709: undefined reference to `vaErrorStr'
/usr/bin/ld: /home/turgut/Desktop/CppProjects/videoo-render/lib/ffmpeg/libavcodec/vaapi_decode.c:715: undefined reference to `vaDestroyConfig'


  


  (The error is a bit longer but I think this is ample for now.)

  


  The thing is, this code also runs on the cloud and compiles just fine without the --enable-libx264 flags. And inside the cloud, it works just fine even with the libx264 flag. But when I follow the exact same steps as the cloud and try to compile it locally, it gives this error.

  


  Here are the steps I have followed :

  


  First I removed ffmpeg (It was a bit messy) using sudo apt-get --purge autoremove ffmpeg then I made sure its deleted by searching find / -name ffmpeg and manually deleting my findings. Then, I ran apt-get install -y libx264-dev, followed by ./configure --enable-shared --enable-libx264 --enable-gpl inside the directory where I have downloaded the source files. Then ran make and make install where ffmpeg source files are. I ran ldconfig so it can detect shared libs (This is how it works on the cloud) and finally ran make on my own codes directory and got the error mentioned.

  


  Here is my CMakeFile :

  


  cmake_minimum_required(VERSION 3.7)

project(Renderer C CXX)
set(CMAKE_CXX_STANDARD 14)

SET( EXECUTABLE_OUTPUT_PATH ${dir}/bin )
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin )


add_definitions(-DGL_SILENCE_DEPRECATION)
add_definitions("-g -lglad -lGL -lGLU -lX11 -lvdpau -lz -lva -lavformat -lavcodec- -lswscale -lavutil -lavfiter -lswresample 
-lavdevice -lpostproc  -loa -lz -lx264 -llzma -lbz2 -lrt -lx264 -pthread -lm  -lva-drm -lva-x11")

list(APPEND SOURCES
    ...
)

find_path(AVCODEC_INCLUDE_DIR libavcodec/avcodec.h)
find_library(AVCODEC_LIBRARY avcodec)

find_path(AVFORMAT_INCLUDE_DIR libavformat/avformat.h)
find_library(AVFORMAT_LIBRARY avformat)

find_path(AVDEVICE_INCLUDE_DIR libavdevice/avdevice.h)
find_library(AVDEVICE_LIBRARY avdevice)

find_path(AVCODEC_INCLUDE_DIR libavcodec/avcodec.h)
find_library(AVCODEC_LIBRARY avcodec)

find_path(AVUTIL_INCLUDE_DIR libavutil/avutil.h)
find_library(AVUTIL_LIBRARY avutil)

find_path(SWRESAMPLE_INCLUDE_DIR libswresample/swresample.h)
find_library(SWRESAMPLE_LIBRARY swresample)

find_path(SWSCALE_INCLUDE_DIR libswscale/swscale.h)
find_library(SWSCALE_LIBRARY swscale)

set(THREADS_PREFER_PTHREAD_FLAG ON)

add_executable(Renderer src/main.cpp src/Application.cpp src/Application.h ${SOURCES})

target_link_libraries(Renderer PRIVATE Threads::Threads)

list(APPEND EXTRA_LIBS
    "-lGL -lGLU -lX11 -lz -lva -lswresample -lx264 -shared -lvdpau -lva  -lm  -lva-drm -lva-x11"
)

target_include_directories(Renderer PRIVATE 
    ${AVFORMAT_INCLUDE_DIR} 
    ${AVCODEC_INCLUDE_DIR} 
    ${SWRESAMPLE_INCLUDE_DIR}
    ${SWSCALE_INCLUDE_DIR}
    ${AVUTIL_INCLUDE_DIR}
    ${AVDEVICE_INCLUDE_DIR} 
)

target_link_libraries(Renderer PRIVATE 
    ${AVFORMAT_LIBRARY} 
    ${AVCODEC_LIBRARY} 
    ${SWRESAMPLE_LIBRARY}
    ${SWSCALE_LIBRARY}
    ${AVUTIL_LIBRARY} 
    ${AVDEVICE_LIBRARY} 
)



  


  Like I said, it works on the cloud just the way it is and everything works without the --enable-libx264 flag.

  


  How can I fix this ? I'm on ubuntu 22+

  


• A/B Testing Platform for Piwik Analytics

  10 novembre 2016, par InnoCraft — Plugins, Press Releases

  We are very excited to launch A/B Testing – a powerful new product designed to help you maximise your success and increase your conversions.

  What is A/B Testing and why is it so important ?

  Experimenting with A/B Testing is an important marketing strategy that goes a long way in maximising your conversions.

  With A/B Testing you can start improving your conversions and sales in your existing website or app by creating different versions of a web page or mobile app screen to find out how to modify your website to optimize business success.

  How does A/B Testing work ?

  To explain how A/B Testing works, let’s take an example. Imagine one of your most important landing pages has been redesigned to hopefully get more email signups. Now you need to make sure the new version is “better” than the current version, or at least does result in less conversions. To compare the performance of these two versions, you can then run an A/B test whereby the A/B testing product tells you whether the redesigned version is producing more email signups compared to the original version.

  How it works is that visitors on your website during the experiment will see a randomly chosen version (variation) and A/B Testing makes sure that your users will always see the same variation for all subsequent visits. The behaviour and goals converted by each user is measured continuously by Piwik A/B Testing. The beautifully designed and easy to use dashboard shows how each variation impacts your success metrics such as conversions, sales or page views.

  When the A/B test is complete, you will then know which is the winning version getting you closer to reaching your goals ! A/B Testing includes an advanced statistical analysis engine to provide a reliable indicator of which of your versions is actually improving your bottom line.

  Examples of successful A/B tests

  Below are a just a few interesting A/B tests results from the article 7 Dead-Simple A/B Tests You Should Run on Your Homepage (HubSpot).

  Increase click on CTA button by 21%

  

  We actually conducted an A/B test on button color and found that changing the CTA button from green to red increased clicks by 21%. In the world of website optimization, that’s huge !

  47.7% more clicks on the navigation bar

  

  An A/B test comparing the phrases used on the navigation bar discovered that the menu link “How It Works” earned 47.7% more clicks than “Why Use Us.”

  5% more conversions using a different image

  

  Highrise, a small business CRM, A/B tested their website’s imagery by featuring two different people – Jocelyn on the left, and Michael on the right. They found Michael helped improve conversions by almost 5%.

  Changing the headline to increase conversions by 38%

  

  WhichTestWon ran an A/B test on AwayFind’s homepage and found that Version B increased signups by 38%. This could be because the headline is more concise and the subheader includes bolded words to clearly communicate the product’s value

  Where do I start testing ?

  Your testing strategy is tied to your overall business strategy. What do you want people to achieve on your website ? What are the goals that you want your users to convert ? What are your one or two Key Performance Indicators, and what are your targets for these KPIs ?

  When you start thinking of improving your targets you can begin by looking at the most important parts that can be improved :

  • What are your call to actions ?
  • Which are your most popular pages, and landing pages ?
  • What elements of my website is above the fold and can be seen by all visitors within a few seconds ?

  How do I get A/B Testing ?

  All premium plugins come with our 14 day money back guarantee and 1-click installation & updates. Customers get all product updates for free.

  Learn more about A/B Testing Get it now on the Marketplace

  A/B Testing is available for purchase and download on the Marketplace.

  If you are not using Piwik yet, you can also signup for a free trial of Piwik Cloud (including A/B Testing !).

  Have a question about this product ? Get in touch.

• Berlin website owners need consent for using Google Analytics

  19 novembre 2019, par Joselyn Khor — Uncategorized

  Website owners in Berlin need consent for using Google Analytics

  According to the Berlin Data Protection Office, if you’re a website owner collecting and sending data to third-party services (like Google Analytics) who are also using that data “for own purpose uses” in Berlin, you are now required to ask for specific consent from visitors in order to collect that information. 

  This means you can only use Google Analytics or similar services once you’ve gotten consent from visitors. In contrast, Matomo does not use information from Cloud or On-Premise users for “own purpose uses”.

  Consent is also needed when keystrokes or mouse movements are recorded. That means you need users to consent to your usage of features like Heatmaps and Session Recordings.

  It’s advised that website owners in Berlin should check their websites for third-party content and tracking mechanisms. If you do use these third-party functions that require consent, you must either get consent or remove the functions. Consent is only effective if the visitor (whose data you’re collecting) is informed and agrees to their data being processed.

  Currently this applies to website owners in Berlin, and should likely be applied for the whole of Germany to be on the safe side.

  Further reading :

  • Learn more about Matomo’s Cloud Data Processing Agreement
  • Read about asking for consent in Matomo
  • To use Matomo Analytics and be compliant with the regulation we recommend you learn how to make Matomo GDPR compliant in 12 steps.

  And learn more about all the features in our GDPR user guide and privacy user guide. You can also learn more about GDPR through our blog posts.