Recherche avancée

Sur d’autres sites (8529)

• undefined reference to 'ff_put_pixels_clamped_mmx'

  24 avril 2017, par Aviv Sharon

  I have a windows 8.1 64 bit, intel i7.
  I am trying to build ffmpeg dynamic libraries (dll) from sources, version 3.2.4 For that, I cloned ffmpeg git repository, and checked out tag n3.2.4
  I installed mingw64 in my windows 8.1, opened a mingw64 shell.
  I ran "configure" command before building, with the following switches :

  ./configure --prefix=ffmpeg/ --disable-gpl --disable-nonfree --enable-shared --disable-static --disable-doc  --disable-yasm --disable-debug --disable-network

  On some point, in the link phase, it exits with these ld errors :

  WINDRES libswresample/swresampleres.o
  
  GEN     libswresample/libswresample.ver
  
  LD      libswresample/swresample-2.dll
  
  sed -e "s/ @[^ ]*//" libswresample/swresample-2.orig.def > libswresample/swresample-2.def; dlltool -m i386:x86-64 -d libswresample/swresample-2.def -l libswresample/swresample.lib -D swresample-2.dll
  
  LD      libavcodec/avcodec-57.dll
  
  libavcodec/x86/simple_idct.o: In function `ff_simple_idct_put_mmx':
  
  C:\GitRepos\ffmpeg/libavcodec/x86/simple_idct.c:911: undefined reference to `ff_put_pixels_clamped_mmx'
  
  C:\GitRepos\ffmpeg/libavcodec/x86/simple_idct.c:911:(.text+0x1fb0): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `ff_put_pixels_clamped_mmx'
  
  libavcodec/x86/simple_idct.o: In function `ff_simple_idct_add_mmx':
  
  C:\GitRepos\ffmpeg/libavcodec/x86/simple_idct.c:916: undefined reference to `ff_add_pixels_clamped_mmx'
  
  C:\GitRepos\ffmpeg/libavcodec/x86/simple_idct.c:916:(.text+0x1fe0): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `ff_add_pixels_clamped_mmx'
  
  libavcodec/x86/simple_idct.o: In function `ff_simple_idct_put_sse2':
  
  C:\GitRepos\ffmpeg/libavcodec/x86/simple_idct.c:921: undefined reference to `ff_put_pixels_clamped_sse2'
  
  C:\GitRepos\ffmpeg/libavcodec/x86/simple_idct.c:921:(.text+0x2010): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `ff_put_pixels_clamped_sse2'
  
  libavcodec/x86/simple_idct.o: In function `ff_simple_idct_add_sse2':
  
  C:\GitRepos\ffmpeg/libavcodec/x86/simple_idct.c:926: undefined reference to `ff_add_pixels_clamped_sse2'
  
  C:\GitRepos\ffmpeg/libavcodec/x86/simple_idct.c:926:(.text+0x2040): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `ff_add_pixels_clamped_sse2'

  Found out that adding -mcmodel=large switch as suggested in some places should fix it.
  After I added it, I only left with the "undefined reference" errors, which I have a feeling that is related to 64/32 bit issues :

  GEN     libswresample/libswresample.ver
  
  LD      libswresample/swresample-2.dll
  
  sed -e "s/ @[^ ]*//" libswresample/swresample-2.orig.def > libswresample/swresample-2.def; dlltool -m i386:x86-64 -d libswresample/swresample-2.def -l libswresample/swresample.lib -D swresample-2.dll
  
  LD      libavcodec/avcodec-57.dll
  
  libavcodec/x86/simple_idct.o:simple_idct.c:(.rdata$.refptr.ff_add_pixels_clamped_sse2[.refptr.ff_add_pixels_clamped_sse2]+0x0): undefined reference to `ff_add_pixels_clamped_sse2'
  
  libavcodec/x86/simple_idct.o:simple_idct.c:(.rdata$.refptr.ff_put_pixels_clamped_sse2[.refptr.ff_put_pixels_clamped_sse2]+0x0): undefined reference to `ff_put_pixels_clamped_sse2'
  
  libavcodec/x86/simple_idct.o:simple_idct.c:(.rdata$.refptr.ff_add_pixels_clamped_mmx[.refptr.ff_add_pixels_clamped_mmx]+0x0): undefined reference to `ff_add_pixels_clamped_mmx'
  
  libavcodec/x86/simple_idct.o:simple_idct.c:(.rdata$.refptr.ff_put_pixels_clamped_mmx[.refptr.ff_put_pixels_clamped_mmx]+0x0): undefined reference to `ff_put_pixels_clamped_mmx'
  
  collect2.exe: error: ld returned 1 exit status
  
  make: *** [library.mak:94: libavcodec/avcodec-57.dll] Error 1

  Please help,
  thanks

• Q : Bash script infinite loop causing ffmpeg spam

  6 juillet 2017, par Kārlis K.

  Can’t seem to figure this one out... I have a set up NGINX server with the excellent RTMP extension and everything is working fine. However, I’m trying to restream/push a copy of a couple specific streams that need to be streamed in another RTMP stream application (specifically, these streams are streamed to application "static" but in the current situation also need to be pushed over to "live"). The process of restreaming/pushing a stream in NGINX-RTMP is relatively simple, however, in my case I need to selectively push a couple of streams instead of every stream being streamed to the application "static".

  Idea is to have NGINX-RTMP pass the stream name off to the bash script, which then does the restreaming without interrupting any other streams or services.

  With some success, I’ve tried doing this by creating a bash scrip..

  The relevant NGINX config bit that runs the bash script is :

  exec_publish /etc/nginx/rtmp_conf.d/stream_id.sh $name;

  I tried it with an "if / else"

  if [ $1 == "stream_name_1" ]; then
  
          ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_1 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_0
  
  elif [ $1 == "stream_name_2" ]; then
  
          ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_2 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_1
  
  elif [ $1 == "stream_name_3" ]; then
  
          ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_3 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_2
  
  elif [ $1 == "stream_name_4" ]; then
  
          ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_4 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_3
  
  else
  
          echo "FAIL" >> /etc/nginx/rtmp_conf.d/stream.log && echo date > /etc/nginx/rtmp_conf.d/stream.log
  
          exit
  
  fi

  And I tried it with Switches

  case "$1" in
  
          "stream_name_1")
  
              ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_1 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_0
  
          ;;
  
          "stream_name_2")
  
              ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_2 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_1
  
          ;;
  
          "stream_name_3")
  
              ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_3 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_2
  
          ;;
  
          "stream_name_4")
  
              ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_4 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_3
  
          ;;
  
          echo "FAIL " >> /etc/nginx/rtmp_conf.d/stream.log && echo date > /etc/nginx/rtmp_conf.d/stream.log
  
  esac

  Problem with both is that they both end up spamming a ton of ffmpeg processes ... and I don’t know why - I’ve tried changing the code but I either end up with ffmpeg not firing at all or spamming the server.

• Q : Bash scrip infinite loop causing ffmpeg spam

  6 juillet 2017, par Kārlis K.

  Can’t seem to figure this one out... I have a set up NGINX server with the excellent RTMP extension and everything is working fine. However, I’m trying to restream/push a copy of a couple specific streams that need to be streamed in another RTMP stream application (specifically, these streams are streamed to application "static" but in the current situation also need to be pushed over to "live"). The process of restreaming/pushing a stream in NGINX-RTMP is relatively simple, however, in my case I need to selectively push a couple of streams instead of every stream being streamed to the application "static".

  Idea is to have NGINX-RTMP pass the stream name off to the bash script, which then does the restreaming without interrupting any other streams or services.

  With some success, I’ve tried doing this by creating a bash scrip..

  The relevant NGINX config bit that runs the bash script is :

  exec_publish /etc/nginx/rtmp_conf.d/stream_id.sh $name;

  I tried it with an "if / else"

  if [ $1 == "stream_name_1" ]; then
  
          ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_1 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_0
  
  elif [ $1 == "stream_name_2" ]; then
  
          ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_2 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_1
  
  elif [ $1 == "stream_name_3" ]; then
  
          ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_3 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_2
  
  elif [ $1 == "stream_name_4" ]; then
  
          ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_4 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_3
  
  else
  
          echo "FAIL" >> /etc/nginx/rtmp_conf.d/stream.log && echo date > /etc/nginx/rtmp_conf.d/stream.log
  
          exit
  
  fi

  And I tried it with Switches

  case "$1" in
  
          "stream_name_1")
  
              ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_1 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_0
  
          ;;
  
          "stream_name_2")
  
              ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_2 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_1
  
          ;;
  
          "stream_name_3")
  
              ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_3 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_2
  
          ;;
  
          "stream_name_4")
  
              ffmpeg -re -i rtmp://127.0.0.1:2000/static/stream_name_4 -vcodec libx264 -acodec copy -f flv rtmp://127.0.0.1:2000/live/live_3
  
          ;;
  
          echo "FAIL " >> /etc/nginx/rtmp_conf.d/stream.log && echo date > /etc/nginx/rtmp_conf.d/stream.log
  
  esac

  Problem with both is that they both end up spamming a ton of ffmpeg processes ... and I don’t know why - I’ve tried changing the code but I either end up with ffmpeg not firing at all or spamming the server.