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• Wowza error :Failed to play myStream ; stream not found.

  7 juin 2013, par Ritesh Mehandiratta

  i am using ffmpeg for encoding a video which will then be restreamed using wowza.i am new to streaming.first i started wowza using command

  /etc/init.d/WowzaMediaServer start

  after that i start streaming a MP4 file using rtsp protocol.i used the command

  ffmpeg -re -i /usr/local/WowzaMediaServer/content/sample.mp4 -acodec libfdk_aac -vcodec libx264 -f rtsp -muxdelay 0.1 rtsp ://myuser:mypassword@127.0.0.1:1935/live/myStream.sdp

  video start streaming before all of these i changed admin.password and added a username as myuser and password as mypassword when i run above command its streaming but after that they say go to

  WowzaMediaServer/examples/LiveVideoStreaming/FlashRTMPPlayer/Player.html

  and fill server with rtmp ://localhost:1935/live

  and Stream field with myStream

  when i click on connect its giving me status

  "Failed to play myStream ; stream not found."

  i am following this article http://www.wowza.com/forums/content.php?354-How-to-set-up-live-streaming-using-an-RTSP-RTP-based-encoder

  where i am wrong i dont know.i am unable to figure it out. from wowza support team i am not getting satisfactory answers .so someone work on wowza please help me !!why i am not able to connect my video stream to wowza.Please respond stuck badly.

• C Code Using FFmpeg libraries - Compilation Error

  17 août 2013, par Ardatr

  I've been recently trying to compile C code that uses the FFmpeg libraries ; however, the compilation fails due to a reason that I cannot determine.

  The code that I've been trying to compile is the filtering_audio.c file on the Doxygen Documentation website for FFmpeg (I'll provide the link, since the code is too long to quote here) : http://ffmpeg.org/doxygen/trunk/doc_2examples_2filtering_audio_8c-example.html

  I use gcc to compile the code :

      gcc filter.c -lavformat -lavcodec -lavfilter  -lavutil

  And I get the following undefined reference errors :

      /tmp/cc90K2S5.o: In function `init_filters':
  
      filter.c:(.text+0x3e5): undefined reference to `av_int_list_length_for_size'
  
      filter.c:(.text+0x407): undefined reference to `av_int_list_length_for_size'
  
      filter.c:(.text+0x42d): undefined reference to `av_opt_set_bin'
  
      filter.c:(.text+0x482): undefined reference to `av_int_list_length_for_size'
  
      filter.c:(.text+0x4a4): undefined reference to `av_int_list_length_for_size'
  
      filter.c:(.text+0x4ca): undefined reference to `av_opt_set_bin'
  
      filter.c:(.text+0x51f): undefined reference to `av_int_list_length_for_size'
  
      filter.c:(.text+0x541): undefined reference to `av_int_list_length_for_size'
  
      filter.c:(.text+0x567): undefined reference to `av_opt_set_bin'
  
      /tmp/cc90K2S5.o: In function `print_frame':
  
      filter.c:(.text+0x76b): undefined reference to `av_frame_get_channel_layout'
  
      /tmp/cc90K2S5.o: In function `main':
  
      filter.c:(.text+0x831): undefined reference to `av_frame_alloc'
  
      filter.c:(.text+0x83d): undefined reference to `av_frame_alloc'
  
      filter.c:(.text+0x9de): undefined reference to `av_buffersrc_add_frame_flags'
  
      filter.c:(.text+0xa16): undefined reference to `av_buffersink_get_frame'
  
      filter.c:(.text+0xa58): undefined reference to `av_frame_unref'
  
      filter.c:(.text+0xab6): undefined reference to `av_frame_free'
  
      filter.c:(.text+0xac5): undefined reference to `av_frame_free'
  
      collect2: error: ld returned 1 exit status

  I understand that the undefined reference error indicates that it wasn't able to find the functions referenced from filtering_audio.c, but this doesn't make sense, since these functions should exist in the FFmpeg libraries.

  Any help is appreciated, thank you !

• wavpack : add missing .\n to entropy error message

  8 juin 2013, par Paul B Mahol

  wavpack : add missing .\n to entropy error message
  Signed-off-by : Paul B Mahol <onemda@gmail.com>
  

  • [DH] libavcodec/wavpack.c