On Ubuntu 20.10, I try to compile the latest git master version of ffmpeg as below:
# In the needed prerequisites and execute the following command: $ sudo apt-get build-dep ffmpeg $ git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg.git $ cd ffmpeg.git $ ./configure --enable-rpath --enable-gpl --enable-version3 --enable-nonfree --enable-shared --enable-small --enable-gray --enable-avresample --enable-avisynth --enable-chromaprint --enable-frei0r --enable-gcrypt --enable-gmp --enable-ladspa --enable-libaom --enable-libaribb24 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcelt --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libdc1394 --enable-libfdk-aac --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libiec61883 --enable-libjack --enable-libklvanc --enable-liblensfun --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-librtmp --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtesseract --enable-libtheora --enable-libtwolame --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libdavs2 --enable-libxcb --enable-libxcb-shm --enable-libxcb-xfixes --enable-libxcb-shape --enable-libxvid --enable-libxml2 --enable-libzmq --enable-libzvbi --enable-lv2 --enable-libmysofa --enable-openal --enable-opencl --enable-opengl --enable-openssl --enable-pocketsphinx --enable-vulkan --enable-libdrm --enable-libmfx --enable-pic --enable-thumb --enable-lto --enable-hardcoded-tables --enable-extra-warnings --enable-memory-poisoning --enable-ftrapv --enable-neon-clobber-test --enable-xmm-clobber-test --enable-random --enable-linux-perf --disable-avresample $ make [...] libavfilter/vf_nnedi.c: At top level: libavfilter/vf_nnedi.c:819:13: error: conflicting types for ‘read’ 819 | static void read(float *dst, size_t n, const float **data) | ^~~~ In file included from /usr/include/unistd.h:1183, from ./libavutil/timer.h:35, from ./libavutil/internal.h:42, from ./libavutil/common.h:532, from libavfilter/vf_nnedi.c:24: /usr/include/x86_64-linux-gnu/bits/unistd.h:36:1: note: previous definition of ‘read’ was here 36 | read (int __fd, void *__buf, size_t __nbytes) | ^~~~ libavfilter/vf_nnedi.c: In function ‘subtract_mean_predictor’: libavfilter/vf_nnedi.c:982:27: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 982 | for (int k = 0; k < filter_size; k++) | ^ libavfilter/vf_nnedi.c:986:23: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 986 | for (int k = 0; k < filter_size; k++) | ^ libavfilter/vf_nnedi.c:992:27: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 992 | for (int k = 0; k < filter_size; k++) { | ^ libavfilter/vf_nnedi.c:1006:27: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 1006 | for (int k = 0; k < filter_size; k++) { | ^ libavfilter/vf_nnedi.c:1011:23: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 1011 | for (int k = 0; k < filter_size; k++) | ^ libavfilter/vf_nnedi.c:1016:30: warning: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘int’ [-Wsign-compare] 1016 | for (unsigned nn = 0; nn < nns; nn++) { | ^ make: *** [ffbuild/common.mak:67: libavfilter/vf_nnedi.o] Error 1 Any hints for solving this problem are highly appreciated. Regards, -- Assoc. Prof. Hongyi Zhao <hongyi.z...@gmail.com> Theory and Simulation of Materials Hebei Polytechnic University of Science and Technology engineering NO. 552 North Gangtie Road, Xingtai, China _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
