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• Can't update app in store because of target api23 (no downgrade possible)

  4 mai 2016, par Thkru

  long story short :

  • I have an app in the store, uploaded with target(!) api23
  • Now I have to use the metaio SDK (Augmented reality) to implement a feature
  • this SDK is not maintained anymore (company got bought & closed by apple)
  • metaio SDK crashes when using a target api23
    • ...because of text relocations in the ffmpeg lib, in libavcodec.so, see also :
    • libavcodec.so : has text relocations
    • http://rg4.net/archives/1973.html
    • https://github.com/wseemann/FFmpegMediaPlayer/issues/64

  Problem :

  • apps uploaded with target api23 once, can’t be updated with lower target api
  • metaio can’t handle api23, due to a text relocations bug

  Idea so far :

  • replace the old libavcodec.so (arm & x86) by a newer version,
    but I can’t find any compiled version...

  PS : sure it’s dump to use a deprecated sdk and it has to be replaced sometime in the future, but for now I have to use it, as there’s a huge content and backend part that is used in the project.

  PPS : worst case idea is to upload the same app but with a different ID, api22 and AR features in the GooglePlay...and having two nearly identical apps... <_<

  Thanks a lot for every help ! :)

• How to fix "fatal error : x.264 no such file or directory"

  24 avril 2019, par user11340790

  I wrote a makefile which builds a C program attaching the x.264 header. After trying to execute the makefile in terminal I receive the fatal error :&#xA;"example.c line [line of #include ] x264.h no such file or directory". Below you can find the C code and makefile (located in the same folder, the library - containing the x264.pc file- is in the folder libx264 of the parent folder). I would be very grateful if you could help with the linkage.

  &#xA;&#xA;

  Makefile :

  &#xA;&#xA;

      CC = gcc

    CFLAGS = -c -Wall `export PKG_CONFIG_PATH=../libx264 && pkg-config            --cflags x264`
    LDFLAGS = -static `export PKG_CONFIG_PATH=../libx264 && pkg-config --libs --static libx264`


    all: Release

    Debug: CFLAGS += -g
    Debug: example

    Release: example

    test: example.o
        $(CC) -o example example.o $(LDFLAGS)

    test.o: example.c
        $(CC) $(CFLAGS) example.c -o example.o

    clean:
        rm -f example.o example


  &#xA;&#xA;

  example.c code

  &#xA;&#xA;

      #include 
    #include 
    int main( int argc, char **argv )
    {
        int width, height;
         return 0;
    }


  &#xA;

• How to fix "fatal error : x.264 no such file or directory"

  24 avril 2019, par user11340790

  I wrote a makefile which builds a C program attaching the x.264 header. After trying to execute the makefile in terminal I receive the fatal error :
  "example.c line [line of #include ] x264.h no such file or directory". Below you can find the C code and makefile (located in the same folder, the library - containing the x264.pc file- is in the folder libx264 of the parent folder). I would be very grateful if you could help with the linkage.

  Makefile :

      CC = gcc
  
  
  
      CFLAGS = -c -Wall `export PKG_CONFIG_PATH=../libx264 && pkg-config            --cflags x264`
  
      LDFLAGS = -static `export PKG_CONFIG_PATH=../libx264 && pkg-config --libs --static libx264`
  
  
  
  
  
      all: Release
  
  
  
      Debug: CFLAGS += -g
  
      Debug: example
  
  
  
      Release: example
  
  
  
      test: example.o
  
          $(CC) -o example example.o $(LDFLAGS)
  
  
  
      test.o: example.c
  
          $(CC) $(CFLAGS) example.c -o example.o
  
  
  
      clean:
  
          rm -f example.o example

  example.c code

      #include 
  
      #include 
  
      int main( int argc, char **argv )
  
      {
  
          int width, height;
  
           return 0;
  
      }