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• Couldn't open https stream - protocol not found (ffmpeg with openssl)

  25 avril 2017, par Victor Ponomarenko

  I received from compiled ffmpeg with openssl next message : Protocol not found. I’m testing on hls over https.

  The ffmpeg is 3.3 and openssl is 1.0.0a versions.

  I have next configure script :

  ./configure \
  
  --target-os=linux \
  
  --incdir=$BUILD_DIR/include/$ABI \
  
  --libdir=$BUILD_DIR/lib/$ABI \
  
  --prefix=$BUILD_DIR/lib/$ABI \
  
  --enable-cross-compile \
  
  --extra-libs="-lgcc" \
  
  --arch=$ARCH \
  
  --cc=$PREBUILT/bin/$HOST-gcc \
  
  --cross-prefix=$PREBUILT/bin/$HOST- \
  
  --nm=$PREBUILT/bin/$HOST-nm \
  
  --sysroot=$PLATFORM \
  
  --extra-cflags="$OPTIMIZE_CFLAGS -I${OPENSSL_INCLUDE_DIR}" \
  
  --extra-cxxflags="I${OPENSSL_INCLUDE_DIR}" \
  
  --extra-ldflags="-Wl,-rpath-link=${PLATFORM}usr/lib -L${PLATFORM}usr/lib -nostdlib -lc -lm -ldl -llog -lz -L${OPENSSL_BUILD_DIR}/${ABI}  $openssl_addi_ldflags -lssl -lcrypto" \
  
  --disable-static \
  
  --disable-ffplay \
  
  --disable-ffmpeg \
  
  --disable-ffprobe \
  
  --disable-ffserver \
  
  --disable-doc \
  
  --disable-symver \
  
  --disable-postproc \
  
  --disable-gpl \
  
  --disable-encoders \
  
  --disable-muxers \
  
  --disable-bsfs \
  
  --disable-protocols \
  
  --disable-indevs \
  
  --disable-outdevs \
  
  --disable-devices \
  
  --enable-shared \
  
  --enable-small \
  
  --enable-encoder=png \
  
  --enable-openssl \
  
  --enable-runtime-cpudetect \
  
  --enable-protocol=file,ftp,http,https,httpproxy,hls,mmsh,mmst,pipe,rtmp,rtmps,rtmpt,rtmpts,rtp,sctp,srtp,tcp,udp \
  
  --pkg-config=$(which pkg-config) \
  
  $ADDITIONAL_CONFIGURE_FLAG || die "Couldn't configure ffmpeg!"

  Before I configured it I received errors like openssl not found. I fixed that, but i try to load stream which works over https, I receives Protocol not found. Also, I think this is weird, after configuration https is missed in enabled protocols list.

  Enabled protocols:
  
  ffrtmphttp        hls               mmsh              rtmp          srtp
  
  file              http              mmst              rtmpt         tcp
  
  ftp               httpproxy         pipe              rtp           udp

  ---

  Update 23.04.2017

  My openssl build script :

  # environment variables
  
  top_root=$PWD
  
  src_root=${top_root}/src
  
  patch_root=${top_root}/patches
  
  dist_root=${top_root}/libs/openssl
  
  dist_bin_root=${dist_root}/bin
  
  dist_include_root=${dist_root}/include
  
  dist_lib_root=${dist_root}/lib
  
  build_log=${top_root}/openssl_build.log
  
  
  
  # create our folder structure
  
  cd ${top_root}
  
  test -d ${src_root} || mkdir -p ${src_root}
  
  test -d ${dist_root} || mkdir -p ${dist_root}
  
  test -d ${dist_bin_root} || mkdir -p ${dist_bin_root}
  
  test -d ${dist_include_root} || mkdir -p ${dist_include_root}
  
  test -d ${dist_lib_root} || mkdir -p ${dist_lib_root}
  
  touch ${build_log}
  
  
  
  rm -f ${build_log}
  
  
  
  echo "Building openssl-android ..."
  
  
  
  test -d ${src_root}/openssl-android || \
  
      git clone https://github.com/guardianproject/openssl-android.git ${src_root}/openssl-android >> ${build_log} 2>&1 || \
  
      die "Couldn't clone openssl-android repository!"
  
  cd ${src_root}/openssl-android
  
  
  
  ${NDK}/ndk-build >> ${build_log} 2>&1 || die "Couldn't build openssl-android!"
  
  
  
  # copy the versioned libraries
  
  #cp -r ${src_root}/openssl-android/libs/armeabi/lib*.so --parents ${dist_lib_root}/.
  
  rsync -a --include '*/' --include '*.so' --exclude '*' ${src_root}/openssl-android/libs/ ${dist_lib_root}/
  
  # copy the executables
  
  #cp -r ${src_root}/openssl-android/libs/armeabi/openssl ${dist_bin_root}/. # work only for one abi folder
  
  rsync -a --include '*/openssl' --exclude '*.so' ${src_root}/openssl-android/libs/ ${dist_bin_root}/
  
  #cp -r ${src_root}/openssl-android/libs/armeabi/ssltest ${dist_bin_root}/. # work only for one abi folder
  
  rsync -a --include '*/ssltest' --exclude '*.so' ${src_root}/openssl-android/libs/ ${dist_bin_root}/
  
  # copy the headers
  
  cp -r ${src_root}/openssl-android/include/* ${dist_include_root}/.
  
  
  
  cd ${top_root}

  Will thankful for any help.

• tools/target_dec_fuzzer : Fix return code on open failure

  27 avril 2017, par Michael Niedermayer

  tools/target_dec_fuzzer : Fix return code on open failure
  Fixes : 1271/clusterfuzz-testcase-minimized-6095220498235392
  Found-by : continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
  
  Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
  

  • [DH] tools/target_dec_fuzzer.c

• AForge.NET ffmpeg codec open error on Windows

  5 octobre 2017, par MTsuchi

  I often get the below ffmpeg codec open error while I run the WPF application that I create using AForge.NET. I need to save videos from a few USB cameras simultaneously through multiple threads. I get the error after I record videos several times. If anyone had solved a similar issue and gave me some ideas to solve, I would appreciate it.

  Stack Trace

  AForge.Video.VideoException - Cannot open video codec.
  at AForge.Video.FFMPEG.?A0xfb175571.open_video(WriterPrivateData data) in c :\projects\aforge.net\sources\video.ffmpeg\videofilewriter.cpp:line 459
  at AForge.Video.FFMPEG.VideoFileWriter.Open(String fileName, Int32 width, Int32 height, Int32 frameRate, VideoCodec codec, Int32 bitRate) in c :\projects\aforge.net\sources\video.ffmpeg\videofilewriter.cpp:line 159

  My environment

  • Machine : Window 10 64bit
  • Build Machine : Windows 8.1 64bit
  • IDE : Visual Studio 2012
  • Language : C#
  • .NET version : 4.6.2
  • ffmpeg version : AForge.NET Framework 2.2.5 (ffmpeg LGPL Ver.)
    https://aforgeffmpeg.codeplex.com/
  • Codec : WMV2

  Thanks in advance.