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• ffmpeg 2.8.x cross compile error on mac os x 10.10

  22 avril 2016, par alijandro

  I want to cross compile ffmpeg 2.8.x on Mac OS X 10.10, but I got the following error.

  HOSTCC  libavcodec/cabac_tablegen.o
  
  In file included from libavcodec/cabac_tablegen.c:25:
  
  In file included from libavcodec/cabac_functions.h:43:
  
  libavcodec/arm/cabac.h:96:25: error: value '24' out of range for constraint 'M'
  
            [byte]"M"(offsetof(CABACContext, bytestream)),
  
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/7.0.2/include/stddef.h:120:24: note: 
  
    expanded from macro 'offsetof'
  
  #define offsetof(t, d) __builtin_offsetof(t, d)
  
                     ^~~~~~~~~~~~~~~~~~~~~~~~
  
  1 error generated.
  
  make: *** [libavcodec/cabac_tablegen.o] Error 1

  The error show some error in host cc, the host cc is clang-700.1.81

  $ gcc --version
  
  Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
  
  Apple LLVM version 7.0.2 (clang-700.1.81)
  
  Target: x86_64-apple-darwin14.5.0
  
  Thread model: posix

  Before I upgrade Xcode to 7.2, it worked fine.

  For ffmpeg 3.x, there is no such problem. But the ffmpeg version I need is 2.8.x. How can I fix without downgrade Xcode to previous version ?

• Cross compiling Rust app depending on ffmpeg fails

  28 juin 2024, par user253530

  Trying to cross compile an application depending on ffmpeg-next from Linux to Windows. It works well on Linux but when using cross to compile for Windows I get this error

  


  error: failed to run custom build command for `ffmpeg-sys-next v7.0.0`

Caused by:
process didn't exit successfully: `/target/debug/build/ffmpeg-sys-next-a15fd7744c0ae4bc/build-script-build` (exit status: 101)
--- stdout
cargo:rerun-if-env-changed=LIBAVUTIL_NO_PKG_CONFIG
cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64-pc-windows-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64_pc_windows_gnu
cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_ALLOW_CROSS
cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS
cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-pc-windows-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_pc_windows_gnu
cargo:rerun-if-env-changed=TARGET_PKG_CONFIG
cargo:rerun-if-env-changed=PKG_CONFIG
cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-pc-windows-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_pc_windows_gnu
cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_PATH
cargo:rerun-if-env-changed=PKG_CONFIG_PATH
cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-pc-windows-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_pc_windows_gnu
cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_LIBDIR
cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-pc-windows-gnu
cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_pc_windows_gnu
cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_SYSROOT_DIR
cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR

--- stderr
thread 'main' panicked at /cargo/registry/src/index.crates.io-6f17d22bba15001f/ffmpeg-sys-next-7.0.0/build.rs:740:14:
called `Result::unwrap()` on an `Err` value:
pkg-config exited with status code 1
> PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 pkg-config --libs --cflags libavutil

The system library `libavutil` required by crate `ffmpeg-sys-next` was not found.
The file `libavutil.pc` needs to be installed and the PKG_CONFIG_PATH environment variable must contain its parent directory.
The PKG_CONFIG_PATH environment variable is not set.```

Appreciate the help.


  


• Cross origin issue in html 5 player

  2 septembre 2020, par Danish Abdul Hamid

  Hey Guys i am new this field i encoded video through ffmpeg and for packaging used bento 4 for output single file in ts below the command i used

  


  mp4hls —hls-version 4 —output-single-file —segment-duration 6 input_7000kb.mp4 input_5000kb.mp4 input_3500kb.mp4

  


  and this is output file http://stream.simpaisa.com/output/master.m3u8 when i open this url in html 5 player its showing error "not allowed by Access-Control-Allow-Headers in preflight response" but in android and vlc this url is working. server already have .htaccess file for cross origin allow .

  


  when i used this command mp4hls —hls-version 4 input_7000kb.mp4 input_5000kb.mp4 input_3500kb.mp4

  


  the output file is http://stream.simpaisa.com/new/output/master.m3u8 and this file is working in html 5 player no cross origin issue

  


  Please tell me whats the issue

  


  this is .htaccess file configuration

  


  Header set Access-Control-Allow-Origin "*"
Header set Access-Control-Allow-Credentials "true"
Header set Access-Control-Allow-Methods "GET,HEAD,OPTIONS,POST,PUT"
Header set Access-Control-Allow-Headers "Access-Control-Allow-Headers, Origin,Accept, X-Requested-With, Content-Type, Access-Control-Request-Method, Access-Control-Request-Headers"
RewriteEngine On

  


  RewriteCond %REQUEST_FILENAME !-f
RewriteRule ^(.*)$ index.php [QSA,L]