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• examples : Add check and replace av_free() to avoid potential memory errors

  6 août, par Jiasheng Jiang

  examples : Add check and replace av_free() to avoid potential memory errors
  Add check for the return value of av_packet_alloc() to avoid potential NULL pointer dereference.
  
  Moreover, replace redundant av_free() with fprintf().
  Fixes : 9a38184a14 ("examples/decode_audio : allocate the packet dynamically")
  
  Signed-off-by : Jiasheng Jiang <jiashengjiangcool@gmail.com>
  
  Reviewed-by : Nicolas George <george@nsup.org>
  
  Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
  

  • [DH] doc/examples/decode_audio.c

• is that possible to serv hls and dash mpeg both at a time

  12 février 2020, par Rahul M

  actually i’m a kind a newbie to the Nginx RTMP server. I had setup my nginx.conf file to accept both hls and dash-mpeg. but the now problem is at a once I can able to serve either of the hls or dash-mpeg. so now my question is that possible to serve both hls and dash-mpeg at the same time for two different videos ? I’m streaming video from OBS Studio.
  here are my MPEG and hls code in nginx.conf file

  rtmp {
  
  server {
  
      listen 1935; # Listen on standard RTMP port
  
      chunk_size 4000;
  
  
  
      application show {
  
          live on;
  
          # Turn on HLS
  
          hls on;
  
          hls_path /nginx/hls/;
  
          hls_fragment 3;
  
          hls_playlist_length 60;
  
          deny play all;
  
      }
  
      application dash {
  
              live on;
  
              dash on;
  
              dash_path /nginx/dash;
  
  
  
      }
  
  }

  }

  thank you advance.

• avformat/tedcaptionsdec : Fix leak of AVBPrint upon error

  20 septembre 2020, par Andreas Rheinhardt

  avformat/tedcaptionsdec : Fix leak of AVBPrint upon error
  The tedcaptions demuxer uses an AVBPrint whose string is not restricted
  
  to its internal buffer ; it therefore needs to be cleaned up, yet this is
  
  not done on error, as parse_file() returned simply returned directly.
  
  This is fixed by going to fail first in such cases.
  
  Furthermore, there is also a second way how this string can leak : By
  
  having more than one subtitle per subtitle block, as the new one simply
  
  overwrites the old one in this case as the AVBPrint is initialized each
  
  time upon encountering a subtitle line. The code has been modified to
  
  simply append the new subtitle to the old one, so that the old one can't
  
  leak any more.
  Reviewed-by : Nicolas George <george@nsup.org>
  
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
  

  • [DH] libavformat/tedcaptionsdec.c