Recherche avancée

Sur d’autres sites (7095)

• Build FFMPEG with libx264 Android

  4 juin 2015, par Biraj Zalavadia

  I was able to Build FFMPEG with libx264 Android successfully and was working well before 2 months.

  I uses halfninja for building.

  Today I take latest source of ffmpeg and libX264 from here.

  git clone git://git.videolan.org/x264.git
  
  
  
  git clone git://git.videolan.org/ffmpeg.git

  And try to rebuild whole project. But now it throws following errors.

   ffmpeg.c:2406: error: undefined reference to 'hwaccels'
  
   ffmpeg.c:3390: error: undefined reference to 'qp_hist'
  
   ffmpeg.c:3390: error: undefined reference to 'do_hex_dump'
  
   ffmpeg.c:3390: error: undefined reference to 'do_pkt_dump'
  
   ffmpeg.c:576: error: undefined reference to 'do_benchmark_all'
  
   ffmpeg.c:657: error: undefined reference to 'audio_sync_method'
  
   ffmpeg.c:1222: error: undefined reference to 'vstats_filename'
  
   ffmpeg.c:972: error: undefined reference to 'frame_drop_threshold'
  
   ffmpeg.c:1181: error: undefined reference to 'debug_ts'
  
   ffmpeg.c:2742: error: undefined reference to 'copy_tb'
  
   ffmpeg.c:2846: error: undefined reference to 'audio_volume'
  
   ffmpeg.c:2862: error: undefined reference to 'init_simple_filtergraph'
  
   ffmpeg.c:2863: error: undefined reference to 'configure_filtergraph'
  
   ffmpeg.c:2923: error: undefined reference to 'video_sync_method'
  
   ffmpeg.c:2538: error: undefined reference to 'frame_bits_per_raw_sample'
  
   ffmpeg.c:3258: error: undefined reference to 'sdp_filename'
  
   ffmpeg.c:2087: error: undefined reference to 'ist_in_filtergraph'
  
   ffmpeg.c:4069: error: undefined reference to 'ffmpeg_parse_options'
  
   ffmpeg.c:4074: error: undefined reference to 'show_usage'
  
   ffmpeg.c:3303: error: undefined reference to 'options'
  
   ffmpeg.c:3303: error: undefined reference to 'stdin_interaction'
  
   ffmpeg.c:2553: error: undefined reference to 'exit_on_error'
  
   ffmpeg.c:2553: error: undefined reference to 'do_pkt_dump'
  
   ffmpeg.c:2553: error: undefined reference to 'do_hex_dump'
  
   ffmpeg.c:3727: error: undefined reference to 'copy_ts'
  
   ffmpeg.c:3727: error: undefined reference to 'dts_delta_threshold'
  
   ffmpeg.c:268: error: undefined reference to 'dts_error_threshold'
  
   ffmpeg.c:3976: error: undefined reference to 'print_stats'
  
   ffmpeg.c:1694: error: undefined reference to 'do_benchmark'
  
   ffmpeg.c:1694: error: undefined reference to 'max_error_rate'

  Please help me out to resolve this.

  Please look at my script.

  build_android.sh

  #!/bin/bash
  
  #
  
  # build_android.sh
  
  # Copyright (c) 2012 Jacek Marchwicki
  
  #
  
  # Licensed under the Apache License, Version 2.0 (the "License");
  
  # you may not use this file except in compliance with the License.
  
  # You may obtain a copy of the License at
  
  #
  
  #     http://www.apache.org/licenses/LICENSE-2.0
  
  #
  
  # Unless required by applicable law or agreed to in writing, software
  
  # distributed under the License is distributed on an "AS IS" BASIS,
  
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  
  # See the License for the specific language governing permissions and
  
  # limitations under the License.
  
  
  
  export NDK=/home/tasol/DEVELOPMENT/IJOOMER_DEVELOPMENT/NDK/android-ndk-r10d
  
  
  
  if [ "$NDK" = "" ]; then
  
      echo NDK variable not set, exiting
  
      echo "Use: export NDK=/your/path/to/android-ndk"
  
      exit 1
  
  fi
  
  
  
  OS=`uname -s | tr '[A-Z]' '[a-z]'`
  
  function build_x264
  
  {
  
      PLATFORM=$NDK/platforms/$PLATFORM_VERSION/arch-$ARCH/
  
      export PATH=${PATH}:$PREBUILT/bin/
  
      CROSS_COMPILE=$PREBUILT/bin/$EABIARCH-
  
      CFLAGS=$OPTIMIZE_CFLAGS
  
  #CFLAGS=" -I$ARM_INC -fpic -DANDROID -fpic -mthumb-interwork -ffunction-sections -funwind-tables -fstack-protector -fno-short-enums -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__  -Wno-psabi -march=armv5te -mtune=xscale -msoft-float -mthumb -Os -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64 -DANDROID  -Wa,--noexecstack -MMD -MP "
  
      export CPPFLAGS="$CFLAGS"
  
      export CFLAGS="$CFLAGS"
  
      export CXXFLAGS="$CFLAGS"
  
      export CXX="${CROSS_COMPILE}g++ --sysroot=$PLATFORM"
  
      export AS="${CROSS_COMPILE}gcc --sysroot=$PLATFORM"
  
      export CC="${CROSS_COMPILE}gcc --sysroot=$PLATFORM"
  
      export NM="${CROSS_COMPILE}nm"
  
      export STRIP="${CROSS_COMPILE}strip"
  
      export RANLIB="${CROSS_COMPILE}ranlib"
  
      export AR="${CROSS_COMPILE}ar"
  
      #export LDFLAGS="-Wl,-rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib -nostdlib -lc -lm -ldl -llog"
  
  
  
      cd x264
  
      ./configure --disable-asm --prefix=$(pwd)/$PREFIX --host=$ARCH-linux --enable-static $ADDITIONAL_CONFIGURE_FLAG || exit 1
  
  
  
      make clean || exit 1
  
      make -j4 install || exit 1
  
      cd ..
  
  }
  
  
  
  function build_ffmpeg
  
  {
  
      PLATFORM=$NDK/platforms/$PLATFORM_VERSION/arch-$ARCH/
  
      CC=$PREBUILT/bin/$EABIARCH-gcc
  
      CROSS_PREFIX=$PREBUILT/bin/$EABIARCH-
  
      PKG_CONFIG=${CROSS_PREFIX}pkg-config
  
      if [ ! -f $PKG_CONFIG ];
  
      then
  
          cat > $PKG_CONFIG << EOF
  
  #!/bin/bash
  
  pkg-config \$*
  
  EOF
  
          chmod u+x $PKG_CONFIG
  
      fi
  
      NM=$PREBUILT/bin/$EABIARCH-nm
  
      cd ffmpeg
  
      export PKG_CONFIG_LIBDIR=$(pwd)/$PREFIX/lib/pkgconfig/
  
      export PKG_CONFIG_PATH=$(pwd)/$PREFIX/lib/pkgconfig/
  
      ./configure --target-os=linux \
  
          --prefix=$PREFIX \
  
          --enable-cross-compile \
  
          --extra-libs="-lgcc" \
  
          --arch=$ARCH \
  
          --cc=$CC \
  
          --cross-prefix=$CROSS_PREFIX \
  
          --nm=$NM \
  
          --sysroot=$PLATFORM \
  
          --extra-cflags=" -O3 -fpic -DANDROID -DHAVE_SYS_UIO_H=1 -Dipv6mr_interface=ipv6mr_ifindex -fasm -Wno-psabi -fno-short-enums  -fno-strict-aliasing -finline-limit=300 $OPTIMIZE_CFLAGS " \
  
          --disable-shared \
  
          --disable-stripping \
  
          --enable-static \
  
          --enable-runtime-cpudetect \
  
          --extra-ldflags="-Wl,-rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib  -nostdlib -lc -lm -ldl -llog -L$PREFIX/lib" \
  
          --extra-cflags="-I$PREFIX/include" \
  
              --enable-gpl \
  
          --enable-encoder=libx264 \
  
          --enable-libx264 \
  
          --enable-parser=mjpeg \
  
          --enable-demuxer=image2 \
  
          --enable-hwaccel=h264_vaapi \
  
          --enable-hwaccel=h264_vaapi \
  
          --enable-hwaccel=h264_dxva2 \
  
          --enable-hwaccel=mpeg4_vaapi \
  
          --enable-demuxer=mov \
  
          --enable-demuxer=h264 \
  
          --enable-demuxer=mpegvideo \
  
          --enable-demuxer=h263 \
  
          --enable-demuxer=mpegps \
  
          --enable-demuxer=mjpeg \
  
          --enable-demuxer=rtsp \
  
          --enable-demuxer=rtp \
  
          --enable-demuxer=hls \
  
          --enable-demuxer=matroska \
  
          --enable-muxer=rtsp \
  
          --enable-muxer=mp4 \
  
          --enable-muxer=mov \
  
          --enable-muxer=mjpeg \
  
          --enable-muxer=matroska \
  
          --enable-protocol=crypto \
  
          --enable-protocol=jni \
  
          --enable-protocol=file \
  
          --disable-network \
  
              --enable-filter=buffer \
  
          --enable-filter=buffersink \
  
          --enable-filter=scale \
  
          --enable-protocol=rtp \
  
          --enable-protocol=tcp \
  
          --enable-protocol=udp \
  
          --enable-protocol=applehttp \
  
          --enable-protocol=hls \
  
          --enable-protocol=http \
  
          --enable-decoder=xsub \
  
          --enable-decoder=jacosub \
  
          --enable-decoder=dvdsub \
  
          --enable-decoder=dvbsub \
  
          --enable-decoder=subviewer \
  
          --enable-decoder=rawvideo \
  
          --enable-encoder=rawvideo \
  
          --enable-decoder=mjpeg \
  
          --enable-encoder=mjpeg \
  
          --enable-decoder=h263 \
  
          --enable-decoder=mpeg4 \
  
          --enable-encoder=mpeg4 \
  
          --enable-decoder=h264 \
  
          --enable-encoder=h264 \
  
          --enable-decoder=aac \
  
          --enable-encoder=aac \
  
          --enable-parser=h264 \
  
          --enable-encoder=mp2 \
  
          --enable-decoder=mp2 \
  
          --enable-encoder=libvo_amrwbenc \
  
          --enable-decoder=amrwb \
  
          --enable-muxer=mp2 \
  
          --enable-bsfs \
  
          --enable-decoders \
  
          --enable-encoders \
  
          --enable-parsers \
  
          --enable-hwaccels \
  
          --enable-muxers \
  
          --enable-avformat \
  
          --enable-avcodec \
  
          --disable-demuxer=v4l \
  
          --disable-demuxer=v4l2 \
  
          --disable-indev=v4l \
  
          --disable-indev=v4l2 \
  
          --disable-ffplay \
  
          --disable-ffmpeg \
  
          --disable-ffplay \
  
          --disable-ffprobe \
  
          --disable-ffserver \
  
          --enable-nonfree \
  
          --enable-version3 \
  
          --enable-memalign-hack \
  
          --disable-asm \
  
          $ADDITIONAL_CONFIGURE_FLAG \
  
          || exit 1
  
      make clean || exit 1
  
      make -j4 install || exit 1
  
  
  
      cd ..
  
  }
  
  
  
  function build_one {
  
      cd ffmpeg
  
      cd ..
  
  }
  
  
  
  #arm v5
  
  EABIARCH=arm-linux-androideabi
  
  ARCH=arm
  
  CPU=armv5
  
  OPTIMIZE_CFLAGS="-marm -march=$CPU"
  
  PREFIX=../ffmpeg-build/armeabi
  
  OUT_LIBRARY=$PREFIX/libffmpeg.so
  
  ADDITIONAL_CONFIGURE_FLAG=
  
  SONAME=libffmpeg.so
  
  PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/$OS-x86_64
  
  #PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.6/prebuilt/$OS-x86
  
  PLATFORM_VERSION=android-5
  
  build_x264
  
  build_ffmpeg
  
  build_one
  
  
  
  
  
  #arm v7vfpv3
  
  #EABIARCH=arm-linux-androideabi
  
  #ARCH=arm
  
  #CPU=armv7-a
  
  #OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=$CPU "
  
  #PREFIX=../ffmpeg-build/armeabi-v7a
  
  #OUT_LIBRARY=$PREFIX/libffmpeg.so
  
  #ADDITIONAL_CONFIGURE_FLAG=
  
  #SONAME=libffmpeg.so
  
  #PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/$OS-x86_64
  
  #PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.6/prebuilt/$OS-x86
  
  #PLATFORM_VERSION=android-5
  
  #build_x264
  
  #build_ffmpeg
  
  #build_one
  
  
  
  #arm v7 + neon (neon also include vfpv3-32)
  
  EABIARCH=arm-linux-androideabi
  
  ARCH=arm
  
  CPU=armv7-a
  
  OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=neon -marm -march=$CPU -mtune=cortex-a8 -mthumb -D__thumb__ "
  
  PREFIX=../ffmpeg-build/armeabi-v7a
  
  #PREFIX=../ffmpeg-build/armeabi-v7a-neon
  
  OUT_LIBRARY=../ffmpeg-build/armeabi-v7a/libffmpeg-neon.so
  
  ADDITIONAL_CONFIGURE_FLAG=--enable-neon
  
  SONAME=libffmpeg-neon.so
  
  PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/$OS-x86_64
  
  #PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.6/prebuilt/$OS-x86
  
  PLATFORM_VERSION=android-9
  
  build_x264
  
  build_ffmpeg
  
  build_one
  
  
  
  #x86
  
  EABIARCH=i686-linux-android
  
  ARCH=x86
  
  OPTIMIZE_CFLAGS="-m32"
  
  PREFIX=../ffmpeg-build/x86
  
  OUT_LIBRARY=$PREFIX/libffmpeg.so
  
  ADDITIONAL_CONFIGURE_FLAG=--disable-asm
  
  SONAME=libffmpeg.so
  
  PREBUILT=$NDK/toolchains/x86-4.8/prebuilt/$OS-x86_64
  
  #PREBUILT=$NDK/toolchains/x86-4.6/prebuilt/$OS-x86
  
  PLATFORM_VERSION=android-9
  
  build_x264
  
  build_ffmpeg
  
  build_one
  
  
  
  #mips
  
  EABIARCH=mipsel-linux-android
  
  ARCH=mips
  
  OPTIMIZE_CFLAGS="-EL -march=mips32 -mips32 -mhard-float"
  
  PREFIX=../ffmpeg-build/mips
  
  OUT_LIBRARY=$PREFIX/libffmpeg.so
  
  ADDITIONAL_CONFIGURE_FLAG=""
  
  SONAME=libffmpeg.so
  
  PREBUILT=$NDK/toolchains/mipsel-linux-android-4.8/prebuilt/$OS-x86_64
  
  #PREBUILT=$NDK/toolchains/mipsel-linux-android-4.6/prebuilt/$OS-x86
  
  PLATFORM_VERSION=android-9
  
  build_x264
  
  build_ffmpeg
  
  build_one

  build_all.sh

  #!/bin/bash
  
  #
  
  # build_all.sh
  
  
  
  export NDK=/home/tasol/DEVELOPMENT/IJOOMER_DEVELOPMENT/NDK/android-ndk-r10d
  
  sudo ./build_android.sh
  
  $NDK/ndk-build
  
  
  
  echo "Done Dona Done!!!"

  Android.mk

  LOCAL_PATH := $(call my-dir)
  
  
  
  include $(CLEAR_VARS)
  
  LOCAL_MODULE  := videokit
  
  # These need to be in the right order
  
  FFMPEG_LIBS := $(addprefix ffmpeg-build/$(TARGET_ARCH_ABI)/lib/, \
  
   libavdevice.a \
  
   libavformat.a \
  
   libavfilter.a \
  
   libavcodec.a \
  
   libswscale.a \
  
   libavutil.a \
  
   libswresample.a \
  
   libpostproc.a )
  
  # ffmpeg uses its own deprecated functions liberally, so turn off that annoying noise
  
  LOCAL_CFLAGS += -g -Iffmpeg -Ivideokit -Wno-deprecated-declarations 
  
  LOCAL_LDLIBS += -llog -lz $(FFMPEG_LIBS) ffmpeg-build/$(TARGET_ARCH_ABI)/lib/libx264.a
  
  LOCAL_SRC_FILES := videokit/uk_co_halfninja_videokit_Videokit.c videokit/ffmpeg.c videokit/cmdutils.c
  
  include $(BUILD_SHARED_LIBRARY)
  
  
  
  
  
  include $(CLEAR_VARS)
  
  LOCAL_MODULE  := ffmpeg
  
  FFMPEG_LIBS := $(addprefix ffmpeg-build/$(TARGET_ARCH_ABI)/lib/, \
  
   libavdevice.a \
  
   libavformat.a \
  
   libavfilter.a \
  
   libavcodec.a \
  
   libswscale.a \
  
   libavutil.a \
  
   libswresample.a \
  
   libpostproc.a )
  
  LOCAL_CFLAGS += -g -Iffmpeg -Ivideokit -Wno-deprecated-declarations 
  
  LOCAL_LDLIBS += -llog -lz $(FFMPEG_LIBS) ffmpeg-build/$(TARGET_ARCH_ABI)/lib/libx264.a
  
  LOCAL_SRC_FILES := ffmpeg/ffmpeg.c ffmpeg/cmdutils.c
  
  include $(BUILD_EXECUTABLE)

  Application.mk

  APP_ABI := armeabi,armeabi-v7a,x86,mips
  
  APP_PLATFORM := android-10
  
  APP_STL := gnustl_static

• Who Invented FLIC ?

  26 mai 2011, par Multimedia Mike — Multimedia History

  I have been reading through “All Your Base Are Belong To Us : How 50 Years of Video Games Conquered Pop Culture” by Harold Goldberg. Despite the title, Zero Wing has yet to be mentioned (I’m about halfway done).

  
  
  

  I just made it through the chapter describing early breakthrough CD-ROM games, including Myst, The 7th Guest, and The 11th Hour. Some interesting tidbits :

  The 7th Guest
  Of course, Graeme Devine created a new FMV format (called VDX, documented here) for The 7th Guest. The player was apparently called PLAY and the book claims that Autodesk was so impressed by the technology that it licensed the player for use in its own products. When I think of an Autodesk multimedia format, I think of FLIC. The VDX coding format doesn’t look too much like FLIC, per my reading.

  Here’s the relevant passage (pp 118-119) :

  Devine began working on creating software within the CD-ROM disk that would play full-motion video. Within days he had a robust but small ninety-kilobyte player called PLAY that was so good, it was licensed by Autodesk, the makers of the best 3-D animation program at the time. Then Devine figured out a way to compress the huge video files so that they would easily fit on two CD-ROMs.

  Googling for “autodesk trilobyte play program” (Trilobyte was the company behind 7th Guest) led me to this readme file for a program called PLAY73 (hosted at Jason Scott’s massive CD-ROM archive, and it’s on a disc that, incidentally, I donated to the archive ; so, let’s here it for Jason’s tireless archival efforts ! And for Google’s remarkable indexing prowess). The file — dated September 10, 1991 — mentions that it’s a FLICK player, copyright Trilobyte software.

  
  
  

  However, it also mentions being a Groovie Player. Based on ScummVM’s reimplementation of the VDX format, Groovie might refer to the engine behind The 7th Guest.

  So now I’m really interested : Did Graeme Devine create the FLIC file format ? Multimedia nerds want to know !

  I guess not. Thanks to Jim Leonard for digging up this item : “I developed the flic file format for the Autodesk Animator.” Jim Kent, Dr. Dobbs Magazine, March 1993.

  The PLAY73 changelog reveals something from the bad old days of DOS/PC programming : The necessity of writing graphics drivers for 1/2 dozen different video adapters. The PLAY73 readme file also has some vintage contact address for Graeme Devine ; remember when addresses looked like these ?

  If you have any comments, please send them to :
  	Compuserve : 72330,3276
  	Genie : G.DEVINE
  	Internet : 72330,3276@compuserve.com
  

  The 11th Hour
  The book didn’t really add anything I didn’t already know regarding the compression format (RoQ) used in 11th Hour. I already knew how hard Devine worked at it. This book took pains to emphasize the emotional toll taken on the format’s creator.

  I wonder if he would be comforted to know that, more than 15 years later, people are still finding ways to use the format.

• The Fastest Way To Learn Assembly Language

  4 septembre 2011, par Multimedia Mike — Programming

  I saw an old StackOverflow thread linked from Hacker News asking how to whether it’s worthwhile to learn assembly language and how to go about doing so. I’d like to take a stab at the last question.

  The fastest way to learn an assembly language is to reverse engineer something. Seriously, start with something that you know (like a C program that you wrote yourself) and take it apart. The good news is that assembly language is very simple and you will get a lot of practice in a short amount of time with RE.

  So here’s how you do it :

  • Take a simple program in C and build it with your tool chain, whether GNU gcc on Linux, Xcode on Mac, or MSVC on Windows. Also, make sure to turn on debugging symbols during compilation (this will help annotate the disassembly).
  • On Linux, use objdump : objdump -d program_binary
  • On Mac, use otool : otool -tV program_binary
  • On Windows : I admit, I’m a bit fuzzy on this one– I’m quite certain there’s a standard MSVC tool that prints the assembly listing.

  Anyway, look at the disassembled code and find the main() function. Work from there. Whatever the first instruction is, look it up on Google. You’ll likely find various CPU manuals that will explain the simple operation of the instruction. Look up the next unfamiliar instruction, then the next. Trust me, you’ll become an ASM expert in no time.

  Good luck !