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• Image sequence to video stream ?

  22 août 2015, par Hauns TM

  Like many people already seem to have (there are several threads on this subject here) I am looking for ways to create video from a sequence of images.

  I want to implement my functionality in C# !

  Here is what I wan’t to do :

  /*Pseudo code*/
  
  void CreateVideo(List<image> imageSequence, long durationOfEachImageMs, string outputVideoFileName, string outputFormat)
  
  {
  
      // Info: imageSequence.Count will be > 30 000 images
  
      // Info: durationOfEachImageMs will be &lt; 300 ms
  
  
  
      if (outputFormat = "mpeg")
  
      {
  
      }
  
      else if (outputFormat = "avi")
  
      {      
  
      }
  
      else
  
      {
  
      }
  
  
  
      //Save video file do disk
  
  }
  
  </image>

  I know there’s a project called Splicer (http://splicer.codeplex.com/) but I can’t find suitable documentation or clear examples that I can follow (these are the examples that I found).

  The closest I want to do, which I find here on CodePlex is this :
  How can I create a video from a directory of images in C# ?

  I have also read a few threads about ffmpeg (for example this : C# and FFmpeg preferably without shell commands ? and this : convert image sequence using ffmpeg) but I find no one to help me with my problem and I don’t think ffmpeg-command-line-style is the best solution for me (because of the amount of images).

  I believe that I can use the Splicer-project in some way (?).

  In my case, it is about about > 30 000 images where each image should be displayed for about 200 ms (in the videostream that I want to create).

  (What the video is about ? Plants growing ...)

  Can anyone help me complete my function ?

• Merge commit ’3ec6f855d0f21d90a0494fb798c4cf203fdb3db0’

  27 mars 2017, par Clément Bœsch

  Merge commit ’3ec6f855d0f21d90a0494fb798c4cf203fdb3db0’
  * commit ’3ec6f855d0f21d90a0494fb798c4cf203fdb3db0’ :
  
    srt : Adjust signedness of sscanf format strings
  This commit is a noop, a different fix is included in the big -Wformat
  
  patch under review
  
  (http://ffmpeg.org/pipermail/ffmpeg-devel/2017-March/209239.html)
  Merged-by : Clément Bœsch <u@pkh.me>
  

• Build latest version of FFMPEG with libx264 Android

  12 novembre 2016, 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

  UPDATE

  Finally Got success