afief@ubuntu:~/encoding/ffmpeg$ sudo make install
make -C vhook install
make[1]: Entering directory `/home/afief/encoding/ffmpeg/vhook'
install -d "/usr/local/lib/vhook"
install -m 755 null.so fish.so ppm.so watermark.so imlib2.so drawtext.so "/usr/local/lib/vhook"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/vhook'
install -d "/usr/local/man/man1"
install -m 644 doc/ffmpeg.1 doc/ffplay.1 doc/ffserver.1 "/usr/local/man/man1"
make -C libavutil   all
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavutil'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavutil'
make -C libavcodec  all
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavcodec'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavcodec'
make -C libavformat all
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavformat'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavformat'
make -C libswscale  all
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libswscale'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libswscale'
install -d "/usr/local/bin"
install -c -m 755 ffmpeg ffplay ffserver "/usr/local/bin"
make -C libavutil   install-libs
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavutil'
install -d "/usr/local/lib"
install -m 644 libavutil.a "/usr/local/lib"
ranlib "/usr/local/lib/libavutil.a"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavutil'
make -C libavcodec  install-libs
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavcodec'
install -d "/usr/local/lib"
install -m 644 libavcodec.a "/usr/local/lib"
ranlib "/usr/local/lib/libavcodec.a"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavcodec'
make -C libavformat install-libs
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavformat'
install -d "/usr/local/lib"
install -m 644 libavformat.a "/usr/local/lib"
ranlib "/usr/local/lib/libavformat.a"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavformat'
make -C libswscale  install-libs
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libswscale'
install -d "/usr/local/lib"
install -m 644 libswscale.a "/usr/local/lib"
ranlib "/usr/local/lib/libswscale.a"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libswscale'
make -C libavutil   install-headers
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavutil'
install -d "/usr/local/include/ffmpeg"
install -d "/usr/local/lib/pkgconfig"
install -m 644 "/home/afief/encoding/ffmpeg/libavutil"/avutil.h "/home/afief/encoding/ffmpeg/libavutil"/common.h "/home/afief/encoding/ffmpeg/libavutil"/mathematics.h "/home/afief/encoding/ffmpeg/libavutil"/integer.h "/home/afief/encoding/ffmpeg/libavutil"/rational.h "/home/afief/encoding/ffmpeg/libavutil"/intfloat_readwrite.h "/home/afief/encoding/ffmpeg/libavutil"/md5.h "/home/afief/encoding/ffmpeg/libavutil"/adler32.h "/home/afief/encoding/ffmpeg/libavutil"/log.h "/home/afief/encoding/ffmpeg/libavutil"/fifo.h "/home/afief/encoding/ffmpeg/libavutil"/lzo.h "/home/afief/encoding/ffmpeg/libavutil"/random.h "/home/afief/encoding/ffmpeg/libavutil"/mem.h "/home/afief/encoding/ffmpeg/libavutil"/base64.h "/usr/local/include/ffmpeg"
install -m 644 "/home/afief/encoding/ffmpeg"/libavutil.pc "/usr/local/lib/pkgconfig"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavutil'
make -C libavcodec  install-headers
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavcodec'
install -d "/usr/local/include/ffmpeg"
install -d "/usr/local/lib/pkgconfig"
install -m 644 "/home/afief/encoding/ffmpeg/libavcodec"/avcodec.h "/home/afief/encoding/ffmpeg/libavcodec"/opt.h "/usr/local/include/ffmpeg"
install -m 644 "/home/afief/encoding/ffmpeg"/libavcodec.pc "/usr/local/lib/pkgconfig"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavcodec'
make -C libavformat install-headers
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libavformat'
install -d "/usr/local/include/ffmpeg"
install -d "/usr/local/lib/pkgconfig"
install -m 644 "/home/afief/encoding/ffmpeg/libavformat"/avformat.h "/home/afief/encoding/ffmpeg/libavformat"/avio.h "/home/afief/encoding/ffmpeg/libavformat"/rtp.h "/home/afief/encoding/ffmpeg/libavformat"/rtsp.h "/home/afief/encoding/ffmpeg/libavformat"/rtspcodes.h "/usr/local/include/ffmpeg"
install -m 644 "/home/afief/encoding/ffmpeg"/libavformat.pc "/usr/local/lib/pkgconfig"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libavformat'
make -C libswscale  install-headers
make[1]: Entering directory `/home/afief/encoding/ffmpeg/libswscale'
install -d "/usr/local/include/ffmpeg"
install -d "/usr/local/lib/pkgconfig"
install -m 644 "/home/afief/encoding/ffmpeg/libswscale"/swscale.h "/home/afief/encoding/ffmpeg/libswscale"/rgb2rgb.h "/usr/local/include/ffmpeg"
install -m 644 "/home/afief/encoding/ffmpeg"/libswscale.pc "/usr/local/lib/pkgconfig"
make[1]: Leaving directory `/home/afief/encoding/ffmpeg/libswscale'
afief@ubuntu:~/encoding/ffmpeg$ ffmpeg 
bash: /usr/bin/ffmpeg: No such file or directory