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• ffmpeg configure always returns "not found" when using sysroot and cross-prefix options - how to use them correctly ?

  5 août 2014, par user2212461

  I try to build ffmpeg with a cross-compiler. When setting the configure flags I am getting the following errors :

  WARNING: Compiler does not indicate floating-point ABI, guessing soft.
  
  build_it.sh: 29: build_it.sh: --sysroot=/home/android/android-ndk-r9/platforms/
  
      android-9/arch-arm/: not found
  
  build_it.sh: 32: build_it.sh.sh: --cross-prefix=/home/android/android-ndk-r9/
  
      toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-and
  
      roideabi-: not found

  The error message "not found" sounds like the paths dont exist but they are all correct and existing. How can I resolve this error ?

  build_it.sh :

  NDK=/home/android/android-ndk-r9
  
  SYSROOT=$NDK/platforms/android-9/arch-arm/
  
  TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86
  
  CPU=arm
  
  PREFIX=test
  
  ADDI_CFLAGS="-marm"
  
  platform="android-9"
  
  
  
  ./configure \
  
      --disable-asm \
  
      --enable-shared \
  
      --target-os=linux \
  
      --arch=arm \
  
      --enable-cross-compile \
  
      --disable-static \
  
      --sysroot=$SYSROOT \
  
      --extra-cflags="-Os -fpic $ADDI_CFLAGS" \
  
      --extra-ldflags="$ADDI_LDFLAGS"
  
      --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
  
      --prefix=$PREFIX \
  
  
  
  ##configure fails here
  
  ...

• swscale : Add prefix to updateMMXDitherTables()

  27 février 2015, par Michael Niedermayer

  swscale : Add prefix to updateMMXDitherTables()
  Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
  

  • [DH] libswscale/swscale.c
  • [DH] libswscale/swscale_internal.h
  • [DH] libswscale/x86/swscale.c

• qsv : remove mfx/ prefix from mfx headers

  8 septembre 2020, par Haihao Xiang

  qsv : remove mfx/ prefix from mfx headers
  The following Cflags has been added to libmfx.pc, so mfx/ prefix is no
  
  longer needed when including mfx headers in FFmpeg.
  
     Cflags : -I$includedir -I$includedir/mfx
  Some old versions of libmfx have the following Cflags in libmfx.pc
  
     Cflags : -I$includedir
  We may add -I$includedir/mfx to CFLAGS when running 'configure
  
  — enable-libmfx' for old versions of libmfx, if so, mfx headers without
  
  mfx/ prefix can be included too.
  If libmfx comes without pkg-config support, we may do a small change to
  
  the settings of the environment(e.g. set -I/opt/intel/mediasdk/include/mfx
  
  instead of -I/opt/intel/mediasdk/include to CFLAGS), then the build can
  
  find the mfx headers without mfx/ prefix
  After applying this change, we won't need to change #include for mfx
  
  headers when mfx headers are installed under a new directory.
  This is in preparation for oneVPL support (mfx headers in oneVPL are
  
  installed under vpl directory)
  

  • [DH] configure
  • [DH] libavcodec/qsv.c
  • [DH] libavcodec/qsv.h
  • [DH] libavcodec/qsv_internal.h
  • [DH] libavcodec/qsvdec.c
  • [DH] libavcodec/qsvenc.c
  • [DH] libavcodec/qsvenc.h
  • [DH] libavcodec/qsvenc_h264.c
  • [DH] libavcodec/qsvenc_hevc.c
  • [DH] libavcodec/qsvenc_jpeg.c
  • [DH] libavcodec/qsvenc_mpeg2.c
  • [DH] libavcodec/qsvenc_vp9.c
  • [DH] libavfilter/qsvvpp.h
  • [DH] libavfilter/vf_deinterlace_qsv.c
  • [DH] libavfilter/vf_scale_qsv.c
  • [DH] libavutil/hwcontext_opencl.c
  • [DH] libavutil/hwcontext_qsv.c
  • [DH] libavutil/hwcontext_qsv.h