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• FFpyplayer installation on Raspberry Pi 3

  2 décembre 2017, par id911

  first, I’m quite new to posting questions.

  I’m trying to install FFPyplayer on Raspberry Pi 3 for the past few weeks, and it keeps failing. I’m frustrated beyond words with myself now. If someone can lend a hand, point me in right direction or tell me what steps I’m missing, I’d be very very grateful.
  Below are the steps I followed.

  • sudo apt-get -y install libsdl2-dev libsdl2-mixer-dev python-dev
  • mkdir /ffmpeg_sources

  • export LD_LIBRARY_PATH=$LD_LIBRARY_PATH :$HOME/ffmpeg_build/lib

  • sudo apt-get -y install yasm

  • cd /ffmpeg_sources
  • wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
  • tar xzf yasm-1.3.0.tar.gz
  • cd yasm-1.3.0
  • ./configure —prefix="$HOME/ffmpeg_build" —bindir="$HOME/ffmpeg_build/bin"
  • make

  • make install

  • sudo apt-get -y install nasm

  • cd /home/pi/ffmpeg_sources
  • wget http://www.nasm.us/pub/nasm/releasebuilds/2.13.01/nasm-2.13.01.tar.xz
  • tar xf nasm-2.13.01.tar.xz
  • cd nasm-2.13.01
  • ./configure —prefix="/home/pi/ffmpeg_build" ---
    bindir="/home/pi/ffmpeg_build/bin"
  • make

  • make install

  • sudo apt-get -y install libx264-dev

  • cd /ffmpeg_sources
  • wget http://download.videolan.org/pub/x264/snapshots/last_x264.tar.bz2
  • tar xjf last_x264.tar.bz2

  • cd x264-snapshot*

  • PATH="$HOME/ffmpeg_build/bin :$PATH" ./configure —prefix="$HOME/ffmpeg_build" —bindir="$HOME/ffmpeg_build/bin" —enable-shared —extra-cflags="-fPIC" ;

  • PATH="$HOME/ffmpeg_build/bin :$PATH" make

  • make install

  • sudo apt-get -y install libmp3lame-dev

  • sudo apt-get -y install nasm
  • cd /ffmpeg_sources
  • wget http://downloads.sourceforge.net/project/lame/lame/3.99/lame-3.99.5.tar.gz
  • tar xzf lame-3.99.5.tar.gz
  • cd lame-3.99.5
  • ./configure —prefix="$HOME/ffmpeg_build" —enable-nasm —enable-shared
  • make

  • make install

  • sudo apt-get -y install libass-dev libfreetype6-dev libtheora-dev libvorbis-dev

  • cd /ffmpeg_sources
  • wget http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
  • tar xjf ffmpeg-snapshot.tar.bz2

  • cd ffmpeg

  • PATH="$HOME/ffmpeg_build/bin :$PATH" -
    PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure —prefix="$HOME/ffmpeg_build" —extra-cflags="-I$HOME/ffmpeg_build/include -fPIC" —extra-ldflags="-L$HOME/ffmpeg_build/lib" —bindir="$HOME/ffmpeg_build/bin" —enable-gpl —enable-libass —enable-libfreetype —enable-libmp3lame —enable-libtheora —enable-libvorbis —enable-libx264 —enable-shared ;

  • PATH="$HOME/ffmpeg_build/bin :$PATH" make

  • make install

  • pip install —upgrade cython nose

  • pip install ffpyplayer

  Reference I used :

  http://matham.github.io/ffpyplayer/installation.html

• errors of 'vaGetDisplay' and `vaGetDisplayDRM'

  30 août 2016, par Kindermann

  After updating my ubuntu OS from 14.04 to 16.04, I installed the ffmpeg library using the following configurations :

  PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure \
  
    --prefix="$HOME/ffmpeg_build" \
  
    --pkg-config-flags="--static" \
  
    --extra-cflags="-I$HOME/ffmpeg_build/include" \
  
    --extra-ldflags="-L$HOME/ffmpeg_build/lib" \
  
    --bindir="$HOME/bin" \
  
    --enable-gpl \
  
    --enable-libass \
  
    --enable-libfdk-aac \
  
    --enable-libfreetype \
  
    --enable-libmp3lame \
  
    --enable-libopus \
  
    --enable-libtheora \
  
    --enable-libvorbis \
  
    --enable-libvpx \
  
    --enable-libx264 \
  
    --enable-nonfree
  
  PATH="$HOME/bin:$PATH" make
  
  make install

  It seemed to me the installation process was ok. After that, I tried to compile my own C source code with the following Makefile :

  EDITTED(adding -lva-drm -lva-x11 at line 10)

  FFMPEG_LIBS=    libavdevice                        \
  
                  libavformat                        \
  
                  libavfilter                        \
  
                  libavcodec                         \
  
                  libswresample                      \
  
                  libswscale                         \
  
                  libavutil                          \
  
  
  
  TARGET = video_analysis
  
  LIBS = -lva -lX11 -lvdpau -lm -lva-drm -lva-x11
  
  CC = gcc
  
  CFLAGS += -O2 -g -O0
  
  CFLAGS := $(shell pkg-config --cflags $(FFMPEG_LIBS)) $(CFLAGS)
  
  LDLIBS := $(shell pkg-config --libs $(FFMPEG_LIBS)) $(LDLIBS)
  
  
  
  .PHONY: default all clean
  
  
  
  default: $(TARGET)
  
  all: default
  
  
  
  OBJECTS = $(patsubst %.c, %.o, $(wildcard *.c))
  
  HEADERS = $(wildcard *.h)
  
  
  
  %.o: %.c $(HEADERS)
  
          $(CC) $(CFLAGS) -c $< -o $@
  
  
  
  .PRECIOUS: $(TARGET) $(OBJECTS)
  
  
  
  $(TARGET): $(OBJECTS)
  
      $(CC) $(OBJECTS) $(LDLIBS) $(LIBS) -o $@
  
  
  
  clean:
  
      -rm -f *.o
  
      -rm -f $(TARGET)

  However, my compiler complained the following errors :

  /root/ffmpeg_build/lib/libavutil.a(hwcontext_vaapi.o): In function `vaapi_device_create':
  
  /home/widerstand/ffmpeg_sources/ffmpeg/libavutil/hwcontext_vaapi.c:896: undefined reference to `vaGetDisplay'
  
  /home/widerstand/ffmpeg_sources/ffmpeg/libavutil/hwcontext_vaapi.c:917: undefined reference to `vaGetDisplayDRM'
  
  collect2: error: ld returned 1 exit status
  
  Makefile:30: recipe for target 'video_analysis' failed
  
  make: *** [video_analysis] Error 1

  My question is : in which library do ’vaGetDisplay’ and `vaGetDisplayDRM’ exist ? It’s for sure that libva functions properly. I have no clue how to fix the bugs...Thank you in advance !

• Undefined reference to av_log

  12 novembre 2017, par Dana Prakoso

  I am cross-compiling FFMPEG source in Linux for Windows using i686-w64-mingw32 using this script :

  ../ffmpeg/configure --disable-ffmpeg --disable-ffprobe --disable-ffplay --disable-shared --enable-static --arch=x86 --target-os=mingw32 --cross-prefix=i686-w64-mingw32- --enable-cross-compile

  And it generates all static library files with extension *.a inside "lib" folder. Then I try to link those libraries with my own source, with this script :

  i686-w64-mingw32-gcc -m32 -c videoplayer.c -o videoplayer.o -w $(INCLUDEDIR) -Wl,--add-stdcall-alias
  
  i686-w64-mingw32-gcc -static -m32 -o libvideoplayer.dll videoplayer.o -Wl,--out-implib,libvideoplayer_dll.lib -Wl,--add-stdcall-alias -L../../ffmpeg/lib -lavdevice -lavformat -lavcodec -lavutil -lwsock32 -lswresample ../../ffmpeg/lib/libWs2_32.lib

  And I got this bunch of error messages :

  ../../ffmpeg/lib/libavformat.a(rtpproto.o): In function `rtp_resolve_host':
  
  /home/dana/Sources/build-ffmpeg/src/libavformat/rtpproto.c:140: undefined reference to `_imp__getaddrinfo@16'
  
  ../../ffmpeg/lib/libavformat.a(rtpproto.o): In function `rtp_parse_addr_list':
  
  /home/dana/Sources/build-ffmpeg/src/libavformat/rtpproto.c:282: undefined reference to `_imp__freeaddrinfo@4'
  
  /home/dana/Sources/build-ffmpeg/src/libavformat/rtpproto.c:277: undefined reference to `_imp__freeaddrinfo@4'
  
  ../../ffmpeg/lib/libavformat.a(tcp.o): In function `tcp_open':
  
  /home/dana/Sources/build-ffmpeg/src/libavformat/tcp.c:112: undefined reference to `_imp__getaddrinfo@16'
  
  /home/dana/Sources/build-ffmpeg/src/libavformat/tcp.c:114: undefined reference to `_imp__getaddrinfo@16'
  
  /home/dana/Sources/build-ffmpeg/src/libavformat/tcp.c:177: undefined reference to `_imp__freeaddrinfo@4'
  
  /home/dana/Sources/build-ffmpeg/src/libavformat/tcp.c:192: undefined reference to `_imp__freeaddrinfo@4'

  How do I resolve this ? Do I miss something in my script ? Big thanks for someone replying.