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• avdevice/lavfi : Fix double-free on error

  29 septembre 2023, par Andreas Rheinhardt

  avdevice/lavfi : Fix double-free on error
  After the AVFrame has been wrapped into a buffer,
  
  it is owned by the buffer and must not be freed manually
  
  any more. Yet this happens on subsequent errors.
  This bug was introduced in 6ca43a9675d651d7ea47c7ba2fafb1bf831c4d0b.
  Reviewed-by : Timo Rothenpieler <timo@rothenpieler.org>
  
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] libavdevice/lavfi.c

• avcodec/cbs_h266 : Remove double ;

  29 juin 2023, par Andreas Rheinhardt

  avcodec/cbs_h266 : Remove double ;
  Fixes a warning from GCC when in pedantic mode :
  
  "extra semicolon in struct or union specified"
  
  May also fix compilation with MSVC, see
  
  https://fate.ffmpeg.org/report.cgi?time=20230629174305&slot=x86_64-msvc17-windows-native
  Reviewed-by : James Almer <jamrial@gmail.com>
  
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] libavcodec/cbs_h266.h

• Problems with ffmpeg cross-compilation for windows x64 using linux/mingw

  3 mai 2023, par Adam

  I'm cross-compiling ffmpeg with NVIDIA hw acceleration for windows 64 with ubuntu/mingw.
The configuration/make process is OK but dumpbin shows that avfilter-9.dll file tries to import some kernel functions twice - from kernel32 which is correct and second time from... npp dlls !

  


  dumpbin /imports avfilter-9.dll
:
    nppig64_12.dll
             180587CC8 Import Address Table
             180587148 Import Name Table
                     0 time date stamp
                     0 Index of first forwarder reference

                         154 nppiRotate_8u_C1R
                         100 nppiResizeSqrPixel_8u_C1R
                           1 AcquireSRWLockExclusive
                         11B DeleteCriticalSection
                         13F EnterCriticalSection
                         228 GetCurrentProcess
                         229 GetCurrentProcessId
                         22D GetCurrentThreadId
                         276 GetLastError
:
   KERNEL32.dll
             180587CD8 Import Address Table
             180587158 Import Name Table
                     0 time date stamp
                     0 Index of first forwarder reference

                           1 AcquireSRWLockExclusive
                         11B DeleteCriticalSection
                         13F EnterCriticalSection
                         228 GetCurrentProcess
                         229 GetCurrentProcessId
                         22D GetCurrentThreadId
                         276 GetLastError
                         301 GetSystemTimeAsFileTime
                         31F GetTickCount
                         375 InitOnceBeginInitialize


  


  My ./configure :

  


  sudo PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/ ./configure --arch=x86_64 --target-os=mingw64 --cross-prefix=x86_64-w64-mingw32- --enable-nonfree --enable-cuda-nvcc --enable-nvenc --enable-libnpp --extra-cflags=-I/usr/local/cuda/include --extra-ldflags=-L/usr/local/cuda/lib64 --extra-cflags=-I../npp_dev/include/ --extra-ldflags=-L../npp_dev/lib/x64/ --disable-static --enable-shared


  


  /npp_dev contains include/lib files for npp (windows 64).

  


  Anybody encountered similar issue or has any idea what I should start looking at ?

  


  Important note - without —enable-libnpp the avfilter-9.dll is correctly generated.

  


  Thanks ! //Adam