集成ffmpeg/x264:ERROR: libx264 not found的問題
--拔劍
ERROR: libx264 not found
察看config.log,詳細信息如下：
check_lib x264.h x264_encoder_encode -lx264
check_header x264.h
check_cpp
BEGIN /tmp/ffconf.isuazGlg.c
1 #include <x264.h>
2 int x;
END /tmp/ffconf.isuazGlg.c
gcc -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -D_FILE_OFFSET_BITS=64 -D_LARGEFIL
E_SOURCE -U__STRICT_ANSI__ -I/d/MinGW/msys/1.0/include -std=c99 -fno-common -fom
it-frame-pointer -E -o /tmp/ffconf.ClhyDYvC.o /tmp/ffconf.isuazGlg.c
C:/DOCUME~1/ibm/LOCALS~1/Temp/ffconf.isuazGlg.c:1:18: fatal error: x264.h: No su
ch file or directory^M
compilation terminated.^M
ERROR: libx264 not found:
所以實際原因是x264 make install 的東西ffmpeg configure沒有找到x264.h這個文件。查看我的x264
make install的結果，有：
install -d /usr/local/bin
install -d /usr/local/include
install -d /usr/local/lib
install -d /usr/local/lib/pkgconfig
install -m 644 x264.h /usr/local/include
install -m 644 x264_config.h /usr/local/include
install -m 644 libx264.a /usr/local/lib
install -m 644 x264.pc /usr/local/lib/pkgconfig
install x264.exe /usr/local/bin
ranlib /usr/local/lib/libx264.a
install -m 755 libx264-115.dll /usr/local/bin
install -m 644 libx264.dll.a /usr/local/lib
因此，只要在配製configure時，添加額外的include/link路徑應該能夠解決問題，即增加開關：
--extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib
這個需要根據你x264編譯、安裝的實際配製修改。Finally, the configure command for ffmpeg is
changed to :
$./configure --enable-memalign-hack --enable-ffserver --enable-network --enable-protocols --enable-muxers --disable-yasm --enable-shared --enable-w32threads --enable-libx264 --enable-gpl --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib
運行，一切無誤！