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• Play AAC in SoundManager2 won't start

  27 novembre 2012, par sasa

  I converted audio file MP4 to AAC and then want to play that file in SoundManager2. If I use some software for Windows for convert, everying is fine, audio is playing well. But, on server side when MP4 file is converted to AAC using ffmpeg, file is loaded in SM2, but playing is not started.

  I use this command :

  ffmpeg -i in.mp4 out.aac

  Here is SoundManager2 log :

  -- SoundManager 2: HTML5 support tests (/^(probably|maybe)$/i): mp3: true (preferring flash), mp4: true (preferring flash), ogg: true, wav: true -- soundmanager2.js:1156
  
  -- SoundManager 2 V2.97a.20120916 (AS3/Flash 9) + HTML5 audio, high performance mode, custom (1ms) polling, wmode: transparent, flash debug mode, flashBlock mode -- soundmanager2.js:1156
  
  soundManager::createMovie(): Trying to load /soundmanager/swf/soundmanager2_flash9_debug.swf soundmanager2.js:1156
  
  soundManager::initMovie(): Waiting for ExternalInterface call from Flash... soundmanager2.js:1158
  
  soundManager::externalInterfaceOK() (~0 ms) soundmanager2.js:1158
  
  soundManager::init() soundmanager2.js:1158
  
  soundManager: Attempting JS to Flash call... soundmanager2.js:1158
  
  (Flash): SM2 SWF V2.97a.20120916 (AS3/Flash 9) soundmanager2.js:1158
  
  Flash security sandbox type: remote soundmanager2.js:1158
  
  (Flash): JS to/from Flash OK soundmanager2.js:1158
  
  (Flash): Enabling polling, 1 ms interval soundmanager2.js:1158
  
  -- SoundManager 2 loaded (OK) -- soundmanager2.js:1156
  
  soundManager: Firing 1 onready() item soundmanager2.js:1158
  
  threeSixtyPlayer.init() soundmanager2.js:1158
  
  threeSixtyPlayer.init(): Found 1 relevant items. soundmanager2.js:1158
  
  handleClick() soundmanager2.js:1158
  
  soundManager.createSound(): ui360Sound0 (http://[private url]/out.aac?v=1350309261) soundmanager2.js:1156
  
  soundManager.createSound(): Enabling usePolicyFile for data access soundmanager2.js:1158
  
  SMSound() merged options: {
  
   id: ui360Sound0, 
  
   url: http://[private url]/out.aac?v=1350309261, 
  
   onplay: { pl.removeClass(this._360data.oUIBox,this._360data.className); t... }, 
  
   onstop: { pl.removeClass(this._360data.oUIBox,this._360data.className); t... }, 
  
   onpause: { pl.removeClass(this._360data.oUIBox,this._360data.className); t... }, 
  
   onresume: { pl.removeClass(this._360data.oUIBox,this._360data.className); t... }, 
  
   onfinish: { var nextLink; pl.removeClass(this._360data.oUIBox,this._360data... }, 
  
   onbufferchange: { if (this.isBuffering) { pl.addClass(this._360data.oUIBox,pl.css... }, 
  
   whileloading: { if (this.paused) { self.updatePlaying.apply(this); } }... }, 
  
   whileplaying: { self.updatePlaying.apply(this); this._360data.fps++; }... }, 
  
   useWaveformData: false, 
  
   useEQData: false, 
  
   usePeakData: true, 
  
   autoLoad: false, 
  
   autoPlay: false, 
  
   loops: 1, 
  
   multiShot: true, 
  
   multiShotEvents: false, 
  
   pan: 0, 
  
   stream: true, 
  
   usePolicyFile: true, 
  
   volume: 50, 
  
   useMovieStar: false, 
  
   isMovieStar: false, 
  
   bufferTime: 3
  
  } soundmanager2.js:1158
  
  (Flash): SoundManager2_SMSound_AS3: Got duration: 0, autoPlay: false soundmanager2.js:1158
  
  SMSound.play(): Attempting to load "ui360Sound0" soundmanager2.js:1156
  
  SMSound.load(): http://[private url]/out.aac?v=1350309261 soundmanager2.js:1156
  
  SMSound.play(): "ui360Sound0" is starting to play soundmanager2.js:1158
  
  fanOut: ui360Sound0: http://[private url]/out.aac?v=1350309261 soundmanager2.js:1158
  
  (Flash): start (ui360Sound0): 0 soundmanager2.js:1158
  
  SMSound._onbufferchange(): 1 soundmanager2.js:1158
  
  SMSound._onbufferchange(): 0 soundmanager2.js:1158
  
  SMSound._onload(): "ui360Sound0" loaded. 

  What can be a problem ?

• Scroll playlist items into view. Cancel 'play next' timeout if user navigates previous/next etc.

  2 février 2015, par scottschiller

  Scroll playlist items into view. Cancel ’play next’ timeout if user navigates previous/next etc.

• Play audio from ffmpegframegrabber

  5 juillet 2013, par Shataya

  For an augmented reality app which should play videos, adjusted to the detected marker.
  I can't use the android video view as it is not possible to rotate it.
  Therefor I have imported the javacv and ffmpeg libraries.
  So far I can successfully render my video with opengl es but I have problems with the audio playback.

  I extract the frames with FFmpegFrameGrabber :

  grabber = new MyFFmpegFrameGrabber(Environment.getExternalStorageDirectory()+"/arvideo_"+fileName+".mp4");
  
  Frame frame = grabber.grabFrame();
  
  ....
  
  if(frame.samples != null) {     
  
     // I have my audio samples and then?     
  
  }

  I tried to playback the audio with the AudioTrack class.

  int bufferSize = AudioTrack.getMinBufferSize(grabber.getSampleRate(),AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT);
  
  track = new AudioTrack(AudioManager.STREAM_MUSIC, grabber.getSampleRate(), AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, bufferSize, AudioTrack.MODE_STREAM);
  
  track.play();
  
  
  
  // call track.write(....) ???

  I get only a static noise. I have read that the sample format is AV_SAMPLE_FMT_FLTP but android needs AV_SAMPLE_FMT_S16. That's why I tried to convert the samples with com.googlecode.javacv.cpp.swresample class. I think that I'm doing something wrong because I still have only noise.

  swrcontext = com.googlecode.javacv.cpp.swresample.swr_alloc();
  
  com.googlecode.javacv.cpp.swresample.swr_alloc_set_opts(swrcontext,AV_CH_LAYOUT_STEREO, avutil.AV_SAMPLE_FMT_FLTP, getSampleRate(), AV_CH_LAYOUT_STEREO, avutil.AV_SAMPLE_FMT_S16, getSampleRate(), 0, null);
  
  com.googlecode.javacv.cpp.swresample.swr_init(swrcontext);
  
  // ....
  
  PointerPointer inData =  samples_frame.data();
  
  PointerPointer outData = samples_frame.data();            
  
  com.googlecode.javacv.cpp.swresample.swr_convert(swrcontext, outData, samples_frame.nb_samples(), inData,  samples_frame.nb_samples());
  
  samples_frame = new AVFrame(outData);

  I really have no idea anymore... I hope anybody can help me. Thanks.