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• avcodec/allcodecs : Dont play with NULLs

  21 mars 2022, par Michael Niedermayer

  avcodec/allcodecs : Dont play with NULLs
  Fixes : member access within null pointer of type 'const FFCodec' (aka 'const struct FFCodec')
  
  Fixes : 45726/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6554445419249664
  Found-by : continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
  
  Reviewed-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  
  Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
  

  • [DH] libavcodec/allcodecs.c

• Fail to play videos using ffplay in concat protocol

  13 janvier 2017, par Jian Guo

  I was trying to play multiple videos online using ffplay with concat protocol. According to the Documentation I tried this command in my terminal :

  ffplay -safe 0 -protocol_whitelist file,http,https,tcp,tls,concat concat:http://devimages.apple.com.edgekey.net/streaming/examples/bipbop_4x3/gear1/prog_index.m3u8\|http://devimages.apple.com.edgekey.net/streaming/examples/bipbop_4x3/gear2/prog_index.m3u8

  But it fails to play those two videos :

  Error when loading first segment 'concat:http://devimages.apple.com.edgekey.net/streaming/examples/bipbop_4x3/gear1/prog_index.m3u8|http://devimages.apple.com.edgekey.net/streaming/examples/bipbop_4x3/gear2/fileSequence0.ts'
  
  concat:http://devimages.apple.com.edgekey.net/streaming/examples/bipbop_4x3/gear1/prog_index.m3u8|http://devimages.apple.com.edgekey.net/streaming/examples/bipbop_4x3/gear2/prog_index.m3u8: Invalid data found when processing input

  I searched the error for a while but found nothing helps. Any ideas ?

• Discord Bot Audio wont play

  13 décembre 2016, par Dom

  Im trying to get a dicord bot to play a simple mp3 saved locally.
  Ive followed
  https://github.com/Chikachi/DiscordIntegration/wiki/How-to-get-a-token-and-channel-ID-for-Discord
  On how to authenticate my bot and used
  https://izy521.gitbooks.io/discord-io/content/Methods/Handling_audio.html
  for the code to follow. My bot joins the voice channel but will not play the mp3 file. I know it finds the file and have downloaded and pathed ffmpeg, but have no idea what else may be causing the issue. Any help with be appreciated

  var Discord = require('discord.io');
  
  var Lame = require('lame');
  
  var fs = require('fs');
  
  var spawn = require('child_process').spawn;
  
  var bot = new Discord.Client({
  
      autorun: true,
  
      token: "#"
  
  });
  
  
  
  var voiceChannelID = "#",
  
      file = "Nonsense.mp3";
  
  
  
  bot.on('ready', function() {
  
      console.log(bot.username + " - (" + bot.id + ")");
  
      bot.joinVoiceChannel(voiceChannelID, function(error, events) {
  
        //Check to see if any errors happen while joining.
  
        if (error) return console.error(error);
  
  
  
        //Then get the audio context
  
        bot.getAudioContext(voiceChannelID, function(error, stream) {
  
          //Once again, check to see if any errors exist
  
          if (error) return console.error(error);
  
  
  
          //Create a stream to your file and pipe it to the stream
  
          //Without {end: false}, it would close up the stream, so make sure to include that.
  
          fs.createReadStream(file).pipe(stream, {end: false});
  
              console.log(stream);
  
          //The stream fires `done` when it's got nothing else to send to Discord.
  
          stream.on('done', function() {
  
             //Handle
  
          });
  
        });
  
      });
  
  });