[Libav-user] avformat_open_input() error!

袁袁斌 yb947835908 at gmail.com
Wed May 15 20:56:25 CEST 2013

  I am trying to use ffmpeg to demux video (with VS 2010, Win7).
  When calling avformat_open_input() to open the input file, it always
returns -1094995529.  the codes are blow:

Init(const char *strFileName)
    //some other codes

  AVFormatContext* m_pFormatCtx = NULL;
  //I also tried this :
  //m_pFormatCtx = avformat_alloc_context();

  // Initialize libavcodec, and register all codecs and formats

res = avformat_open_input(&m_pFormatCtx, strFileName, NULL, NULL);
if(res) {
printf("FFMPEG: Could not open input container\n");

      //...some other codes
 Is there anything wrong?
Many thanks!!!
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