CODEWITHSUNDEEP
ubuntuffmpegconfigurelibx264
Dion
Dion

Reputation: 55

ffmpeg configure ERROR: libx264 not found

I want to configure ffmpeg on Ubuntu 64 bit, but I get an error: "ERROR: libx264 not found". ffmpeg doesn’t see libx264! Before that, I successfully configure it in QNX and Windows. I prevented a known bug with --disable-opencl , but it did not help. In my project the libx264 should be static.

libx264 configure:

../configure --prefix=x264 --disable-cli --enable-static --disable-opencl

platform:      X86_64
byte order:    little-endian
system:        LINUX
cli:           no
libx264:       internal
shared:        no
static:        yes
asm:           yes
interlaced:    yes
avs:           no
lavf:          no
ffms:          no
mp4:           no
gpl:           yes
thread:        posix
opencl:        no
filters:       crop select_every
lto:           no
debug:         no
gprof:         no
strip:         no
PIC:           no
bit depth:     all
chroma format: all

it's OK! Confused only platform: X86_64

FFmpeg configure:

../configure --target-os=linux --prefix=ffmpeg --disable-programs \
--disable-ffplay --disable-ffprobe --disable-doc \ 
--disable-htmlpages --disable-manpages --disable-podpages \ 
--disable-txtpages --disable-avdevice --disable-postproc \
--disable-network --disable-encoders --enable-encoder=libx264 \
--disable-decoders --enable-decoder=h264 --disable-hwaccels \
--disable-muxers --enable-muxer=matroska --disable-demuxers \
--disable-parsers --enable-parser=h264 --enable-gpl \
--enable-libx264 \
--extra-ldflags=-L../x264/lib \
--extra-cflags=-I../x264/include

    ERROR: libx264 not found

Paths exactly correct!

if delete --enable-libx264:

install prefix            ffmpeg
source path               /home/osuser/develop/libs/source/ffmpeg-3.4.2
C compiler                gcc
C library                 glibc
ARCH                      x86 (generic)
big-endian                no
runtime cpu detection     yes
standalone assembly       yes
x86 assembler             nasm
...

This is what worries me... Why x86?

ARCH x86 (generic)

x86 assembler nasm

Maybe this is the problem? How to configure ffmpeg in x86_64? --arch=x86_64 not help!

UPDATE: The problem is fixed, when configure libx264, need to add --enable-pic

Upvotes: 1

Views: 10281

Answers (1)

llogan
llogan

Reputation: 133743

ERROR: libx264 not found

You're using a custom --prefix for x264 so you need to add PKG_CONFIG_PATH for your ffmpeg configure such as:

PKG_CONFIG_PATH="$HOME/path/to/your/x264/lib/pkgconfig" ./configure

See FFmpeg Wiki: Ubuntu for another example.

This is what worries me... Why x86?

Looks like it is just an alias that includes i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64. Refer to the contents of configure.

It also shows x86 for me on x86_64 (without using --arch or --target).

Upvotes: 3

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