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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.

• Revert "avformat/file : seek back to initial position for fd protocol"

  27 mai 2024, par Rémi Denis-Courmont

  Revert "avformat/file : seek back to initial position for fd protocol"
  The generally expected behaviour is for software to append from the
  
  current position, not to keep resetting. See also how shell works :
  
   # (foo && bar) > file
  
  ...would normally concatenate the output of both commands to file.
  If foo seeks like lavf, bar would instead overwrite the output of
  
  foo (possibly not completely).
  This reverts commit 5c3d2177e7be7dde69a83b1b394f57976c164c84.
  

  • [DH] libavformat/file.c

• ffmpeg force format when I using tcp protocol as output

  22 janvier 2019, par Moein Mohammadian

  I want to cut a video and start a tcp server with ffmpeg and a tcp client reads the cut video’s content but I have to force a format.

  ffmpeg -ss 00:01:00 -i input.mp4 -to 00:02:00 -f mpeg2video tcp://127.0.0.1:8010?listen=1

  If I don’t specify a format I get an error

  Unable to find a suitable output format for 'tcp://127.0.0.1:8010?listen=1'

  but if I save cut video to a file I don’t have to enter a format

  ffmpeg -ss 00:01:00 -i input.mp4 -to 00:02:00 output.mp4

  The problem is when I specify a format it takes more time to create cut video.
  Is there any way I don’t specify format when I create a tcp server.

  Basically I want to cut a video and send the cut video over tcp/ip as fast as I could.