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• android ndk-build ffmpeg libffmpeg.so : unsupported ELF file type 2

  11 septembre 2014, par rosen

  when ndk-build ffmpeg, i got the error :

  /home/rosen/develop/android-ndk-r9d/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld : error : ./obj/local/armeabi/libffmpeg.so : unsupported ELF file type 2
  collect2 : ld returned 1 exit status
  make : * [obj/local/armeabi/libmain.so] Error 1

  What can I do to fix this, and make it work ?

  this is ndk build again using V=1

  [armeabi] SharedLibrary : libmain.so
  /home/rosen/develop/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-g++ -Wl,-soname,libmain.so -shared —sysroot=/home/rosen/develop/android-ndk-r10/platforms/android-9/arch-arm ./obj/local/armeabi/objs/main/__/SDL/src/main/android/SDL_android_main.o ./obj/local/armeabi/objs/main/tutorial01.o -lgcc ./obj/local/armeabi/libffmpeg.so ./obj/local/armeabi/libSDL2.so -no-canonical-prefixes -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -L/home/rosen/develop/android-ndk-r10/platforms/android-9/arch-arm/usr/lib -lGLESv1_CM -lGLESv2 -llog -lc -lm -o ./obj/local/armeabi/libmain.so
  /home/rosen/develop/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld : error : ./obj/local/armeabi/libffmpeg.so : unsupported ELF file type 2
  collect2 : error : ld returned 1 exit status
  make : * [obj/local/armeabi/libmain.so] Error 1

• ImportError : FFmpeg libraries are not found. Please install FFmpeg in ubuntu 22.04 LTS

  8 juin 2023, par Schrödinger's Cat

  Here i am using diart library for audio transcription using whisper open ai model model for one dependency is throwing error that i mention in the question here is my

  


  Traceback (most recent call last):&#xA;File "/home/vkyc/Desktop/projectRasa/audio/lib/python3.10/site- &#xA;packages/torchaudio/_extension.py", line 71, in _init_ffmpeg&#xA;_load_lib("libtorchaudio_ffmpeg")&#xA;File "/home/vkyc/Desktop/projectRasa/audio/lib/python3.10/site- &#xA;packages/torchaudio/_extension.py", line 52, in _load_lib&#xA;torch.ops.load_library(path)&#xA;File "/home/vkyc/Desktop/projectRasa/audio/lib/python3.10/site- &#xA;packages/torch/_ops.py", &#xA;line 573, in load_library&#xA;ctypes.CDLL(path)&#xA;File "/usr/lib/python3.10/ctypes/__init__.py", line 374, in __init__&#xA;self._handle = _dlopen(self._name, mode)&#xA;OSError: libavdevice.so.58: cannot open shared object file: No such file or directory&#xA;&#xA;The above exception was the direct cause of the following exception:&#xA;&#xA;Traceback (most recent call last):&#xA;File "/home/vkyc/Desktop/audio_streaming/LiveStream.py", line 13, in <module>&#xA;from diart.sources import MicrophoneAudioSource&#xA;File "/home/vkyc/Desktop/projectRasa/audio/lib/python3.10/site- &#xA;packages/diart/sources.py", line 11, in <module>&#xA;from torchaudio.io import StreamReader&#xA;File "/home/vkyc/Desktop/projectRasa/audio/lib/python3.10/site- &#xA;packages/torchaudio/io/__init__.py", line 21, in __getattr__&#xA;torchaudio._extension._init_ffmpeg()&#xA;File "/home/vkyc/Desktop/projectRasa/audio/lib/python3.10/site- &#xA;packages/torchaudio/_extension.py", line 73, in _init_ffmpeg&#xA;raise ImportError("FFmpeg libraries are not found. Please install FFmpeg.") from err&#xA;ImportError: FFmpeg libraries are not found. Please install FFmpeg.&#xA;</module></module>

  


  i tried pip install python-ffmpeg
also install from system using the command sudo apt install ffmpeg
although all ffmpeg install on system using pip and also from terminal using sudo apt command but still throwing same error

  


  ImportError: FFmpeg libraries are not found. Please install 
FFmpeg


  


  if any one know about please resove this error

  


• ffmpeg h264_nvenc error [Cannot init Cuda] on NVidia Quadro p620

  13 septembre 2018, par Vitor Silva de Deus

  I’ve installed the nv-codec-headers from https://git.videolan.org/git/ffmpeg/nv-codec-headers.git. whit :

  cd nv-codec-headers && make && sudo make install

  Then I got ffmpeg from https://git.ffmpeg.org/ffmpeg.git and compiled with :

  cd ffmpeg && PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure   --prefix="$HOME/ffmpeg_build"   --pkg-config-flags="--static"   --extra-cflags="-I$HOME/ffmpeg_build/include"   --extra-ldflags="-L$HOME/ffmpeg_build/lib"   --extra-libs="-lpthread -lm"   --bindir="$HOME/bin"   --enable-gpl   --enable-libaom   --enable-libass   --enable-libfdk-aac   --enable-libfreetype   --enable-libmp3lame   --enable-libopus   --enable-libvorbis   --enable-libvpx   --enable-libx264   --enable-libx265   --enable-nonfree --enable-cuda --enable-cuvid --enable-nvenc --enable-nonfree --enable-libnpp --extra-cflags=-I/usr/local/cuda/include --extra-ldflags=-L/usr/local/cuda/lib64  && PATH="$HOME/bin:$PATH" make && make install && hash -r

  When I run :

  ffmpeg -hex -rtsp_transport tcp -t 1800 -r 30 -i rtsp://stream_url -c:v h264_nvenc -s:v 360x180 -vsync 0 -preset slow outfile.mp4

  ffmpeg breaks and logs :

  [aac @ 0x5636a2d9f540] Too many bits 8832.000000 > 6144 per frame
  requested, clamping to max

  [swscaler @ 0x5636a33e7840] deprecated pixel format used, make sure
  you did set range correctly

  [h264_nvenc @ 0x5636a2da2880] Cannot init CUDA

  Error initializing output stream 0:0 — Error while opening encoder
  for output stream #0:0 - maybe incorrect parameters such as bit_rate,
  rate, width or height

  [aac @ 0x5636a2d9f540] Qavg : -nan

  [aac @ 0x5636a2d9f540] 1 frames left in the queue on closing
  Conversion failed !

  OS : Ubuntu Server 18.04

  ffmpeg version : N-91936-g776cdd1dc8 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)

  CUDA version : 9.2

  GPU Device : Dual NVIDIA Quadro P620, 2 GB, 4 mDP

  Any suggestion on how can i debug or what I’m doing wrong ?! Many thanks !