[FFmpeg-user] Compiling ffmpeg version n3.4.5

[Shay Nagar]

> > > Do you actually need libfreetype support? It's only required for the
> > > drawtext and showcqt filters. Easiest fix: Don't include that support
> > > if you don't need it. ;-)

Yes, unfortunately I need libfreetype support otherwise it was really was
quite simple.

> > > Can you check your config.log, search for the line with
"require_pkg_config
> > > libfreetype2", and show us the subsequent relevant lines (probably
> > > everything from there to the end of the file)? Thanks.

require_pkg_config libfreetype freetype2 ft2build.h FT_FREETYPE_H
FT_Init_FreeType
check_pkg_config libfreetype freetype2 ft2build.h FT_FREETYPE_H
FT_Init_FreeType
test_pkg_config libfreetype freetype2 ft2build.h FT_FREETYPE_H
FT_Init_FreeType
pkg-config --exists --print-errors freetype2
check_func_headers ft2build.h FT_FREETYPE_H FT_Init_FreeType
-I/usr/include/freetype2 -I/usr/include/libpng15 -lfreetype -lbz2 -lpng15
-lz -lm
test_ld cc -I/usr/include/freetype2 -I/usr/include/libpng15 -lfreetype
-lbz2 -lpng15 -lz -lm
test_cc -I/usr/include/freetype2 -I/usr/include/libpng15
BEGIN /tmp/ffconf.xiUNmVQJ/test.c
    1   #include <ft2build.h>
    2   #include FT_FREETYPE_H
    3   #include <stdint.h>
    4   long check_FT_Init_FreeType(void) { return (long) FT_Init_FreeType;
}
    5   int main(void) { int ret = 0;
    6    ret |= ((intptr_t)check_FT_Init_FreeType) & 0xFFFF;
    7   return ret; }
END /tmp/ffconf.xiUNmVQJ/test.c
gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
-D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -I/opt/ffmpeg/include -std=c11
-fomit-frame-pointer -pthread -I/usr/include/freetype2
-I/usr/include/libpng15 -c -o /tmp/ffconf.xiUNmVQJ/test.o
/tmp/ffconf.xiUNmVQJ/test.c
gcc -L/opt/ffmpeg/lib -Wl,--as-needed -Wl,-z,noexecstack
-I/usr/include/freetype2 -I/usr/include/libpng15 -o
/tmp/ffconf.xiUNmVQJ/test /tmp/ffconf.xiUNmVQJ/test.o -lfreetype -lbz2
-lpng15 -lz -lm
/bin/ld: cannot find -lbz2
collect2: error: ld returned 1 exit status
ERROR: freetype2 not found using pkg-config

> > > Can you show us the output of
> > > $ PKG_CONFIG_PATH=/usr/local/src/ffmpeg/lib/pkgconfig pkg-config
--cflags --libs freetype2

-I/usr/include/freetype2 -I/usr/include/libpng15  -lfreetype

On Thu, Apr 4, 2019 at 12:35 PM Moritz Barsnick <barsnick at gmx.net> wrote:

> On Thu, Apr 04, 2019 at 09:39:51 +0300, Shay Nagar wrote:
> > On Thu, Apr 4, 2019 at 9:33 AM Dennis Mungai <dmngaie at gmail.com> wrote:
> > > Is there a particular reason as to why you're compiling that specific
> > > FFmpeg version?
> > This version compliance with our cv team. we worked on version n3.3.9 and
> > now we want to update our prod server to n3.4.5
>
> Is this for ABI/API compatibility, or for command line? For the latter,
> latest ffmpeg should be just fine, apart from very minor changes.
>
> BTW, 3.4.*6* is latest in the 3.x series.
>
> > > > I trying to compile ffmpeg like this
> > > > "PKG_CONFIG_PATH=/usr/local/src/ffmpeg/lib/pkgconfig ./configure
> > > > --prefix=/opt/ffmpeg --extra-cflags=-I/opt/ffmpeg/include
> > > > --extra-ldflags=-L/opt/ffmpeg/lib --pkg-config-flags=--static
> > > > --bindir=/opt/ffmpeg/bin --enable-openssl --enable-gpl
> --enable-nonfree
> > > > --enable-libfreetype --enable-libtheora --enable-libvpx
> --enable-libx264
> > > > --enable-libx265"
> > > >
> > > > I got an error "ERROR: freetype2 not found",  I installed
> freetype-devel
> > > > version 2.8 using yum.
>
> Do you actually need libfreetype support? It's only required for the
> drawtext and showcqt filters. Easiest fix: Don't include that support
> if you don't need it. ;-)
>
> You'll find a quite long log from ./configure in ffbuild/config.log. My
> ./configure run, using freetype-devel-2.3.x standard RPM (!!), tested
> with said ffmpeg-3.4.5, works just fine and gives this relevant output
> for freetype:
>
> require_pkg_config libfreetype2 freetype2 ft2build.h FT_FREETYPE_H
> FT_Init_FreeType
> use_pkg_config libfreetype2 freetype2 ft2build.h FT_FREETYPE_H
> FT_Init_FreeType
> check_pkg_config libfreetype2 freetype2 ft2build.h FT_FREETYPE_H
> FT_Init_FreeType
> pkg-config --exists --print-errors freetype2
> check_func_headers ft2build.h FT_FREETYPE_H FT_Init_FreeType
> -I/usr/include/freetype2 -lfreetype
> check_ld cc -I/usr/include/freetype2 -lfreetype
> check_cc -I/usr/include/freetype2
> BEGIN /tmp/ffconf.FTVLOUCB/test.c
>     1   #include <ft2build.h>
>     2   #include FT_FREETYPE_H
>     3   #include <stdint.h>
>     4   long check_FT_Init_FreeType(void) { return (long)
> FT_Init_FreeType; }
>     5   int main(void) { int ret = 0;
>     6    ret |= ((intptr_t)check_FT_Init_FreeType) & 0xFFFF;
>     7   return ret; }
> END /tmp/ffconf.FTVLOUCB/test.c
> gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
> -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -std=c99 -fomit-frame-pointer
> -pthread -I/usr/include/freetype2 -c -o /tmp/ffconf.FTVLOUCB/test.o
> /tmp/ffconf.FTVLOUCB/test.c
> gcc -Wl,--as-needed -Wl,-z,noexecstack -I/usr/include/freetype2 -o
> /tmp/ffconf.FTVLOUCB/test /tmp/ffconf.FTVLOUCB/test.o -lfreetype -lm -ldl
> -llzma -lbz2 -lz -pthread -pthread -lrt
>
> Can you check your config.log, search for the line with "require_pkg_config
> libfreetype2", and show us the subsequent relevant lines (probably
> everything from there to the end of the file)? Thanks.
>
> Can you show us the output of
> $ PKG_CONFIG_PATH=/usr/local/src/ffmpeg/lib/pkgconfig pkg-config --cflags
> --libs freetype2
> ?
>
> Moritz
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