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• ffmpeg with Axis P1347 returns 400 Bad Request, but Axis 1357 works

  3 mai 2016, par steampowered

  I have two cameras : an Axis P1347 and an Axis P1357. ffmpeg gets a 400 Bad Request on the P1347 but everything works fine with the P1357.

  I am able to successfully stream rtsp video using vlc from an Axis P1347 Camera using the following url :

  rtsp://10.8.3.85:554/axis-media/media.amp?videocodec=h264&audio=1 

  However, this same url in ffmpeg gives the following for the Axis P1347 Camera :

  root@ubuntu4-virtual-machine:/home/ubuntu4# ffmpeg -re -v verbose  -i "rtsp://10.8.3.85:554/axis-media/media.amp?videocodec=h264&audio=1"
  
  ffmpeg version git-2016-05-02-9fcb59c Copyright (c) 2000-2016 the FFmpeg developers
  
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
  
    configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-version3
  
    libavutil      55. 23.100 / 55. 23.100
  
    libavcodec     57. 38.100 / 57. 38.100
  
    libavformat    57. 35.100 / 57. 35.100
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 44.100 /  6. 44.100
  
    libswscale      4.  1.100 /  4.  1.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100
  
  rtsp://10.8.3.85:554/axis-media/media.amp?videocodec=h264&audio=1: Server returned 400 Bad Request

  The same ffmpeg command works great with the nearly identical Axis P1357 Camera :

  root@ubuntu4-virtual-machine:/home/ubuntu4# ffmpeg -re -rtsp_transport tcp -i "rtsp://10.8.3.90:554/axis-media/media.amp?videocodec=h264&audio=1"
  
  ffmpeg version git-2016-05-02-9fcb59c Copyright (c) 2000-2016 the FFmpeg developers
  
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
  
    configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-version3
  
    libavutil      55. 23.100 / 55. 23.100
  
    libavcodec     57. 38.100 / 57. 38.100
  
    libavformat    57. 35.100 / 57. 35.100
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 44.100 /  6. 44.100
  
    libswscale      4.  1.100 /  4.  1.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100
  
  Input #0, rtsp, from 'rtsp://10.8.3.90:554/axis-media/media.amp?videocodec=h264&audio=1':
  
    Metadata:
  
      title           : Media Presentation
  
    Duration: N/A, start: 0.083300, bitrate: N/A
  
      Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709), 2592x1944 [SAR 1:1 DAR 4:3], 12 tbr, 90k tbn
  
      Stream #0:1: Audio: aac (LC), 16000 Hz, mono, fltp

  Obviously rtsp is turned on and working if vlc can display video, correct ? So why does VLC work with the camera, but not ffmpeg ? Note ffmpeg is installed and works correctly with a similar camera.

• #include file from library returns "file not found"

  16 juin 2015, par Yossi Tsafar

  I’m getting this error from multiple .a files

  'libavcodec/avcodec.h' file not found

  Even though I added the library to project and also to "Library Search Paths" :

  $(PROJECT_DIR)/Project/Custom/RTPlayer/3rd-party/ffmpeg/lib

  This is how I add it to project :

  #include "libavcodec/avcodec.h"

  Please someone help me what seems to be the problem ?

  Thanks in advance !

• Error with LocalAudioFile(file) returns OSError : [Errno 2] No such file or directory

  5 mars 2016, par beriukay

  Much like the question here http://developer.echonest.com/forums/thread/3843#reply, I am having the following error :

  File
  "/usr/local/lib/python2.7/dist-packages/echonest/remix/audio.py", line
  944, in init
  sampleRate=sampleRate, numChannels=numChannels) File "/usr/local/lib/python2.7/dist-packages/echonest/remix/audio.py", line
  403, in init
  self.load() File "/usr/local/lib/python2.7/dist-packages/echonest/remix/audio.py", line
  421, in load
  numChannels=self.numChannels, sampleRate=self.sampleRate, verbose=self.verbose) File
  "/usr/local/lib/python2.7/dist-packages/echonest/remix/support/ffmpeg.py",
  line 91, in ffmpeg
  close_fds=(not win) File "/usr/lib/python2.7/subprocess.py", line 710, in init
  errread, errwrite) File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
  raise child_exception OSError : [Errno 2] No such file or directory

  I checked input and output file permissions, made sure that both files and all related file paths existed, and that I have all the relevant python tools installed. The first clue is that Subprocess.py is having trouble. Looking at ffmpeg.py on line 88, I started playing around with the Popen function call to see how and why it was misbehaving.

  Solution :

  After messing around with the ffmpeg.py file, I piped the input to the shell (shell=True instead of shell=False), which raised the following error :

  check raise Run timeError(ffmpeg_install_instructions) RuntimeError: en-ffmpeg not found! Please make sure ffmpeg is installed and create a link as follows: sudo ln -s which ffmpeg /usr/local/bin/en-ffmpeg Alternatively, import echonest.remix.support.ffmpeg and modify ffmpeg.FFMPEG to name the appropriate binary.

  So, to finalize the solution, you need to get the binary from https://ffmpeg.org/download.html#build-linux, which in Ubuntu 14.04 means you just need to :

  sudo add-apt-repository ppa:mc3man/trusty-media
  
  sudo apt-get update && sudo apt-get upgrade
  
  sudo apt-get install ffmpeg
  
  sudo ln -s `which ffmpeg` /usr/local/bin/en-ffmpeg

  That should clear this problem right up.