Ensure ADTS for AAC for MediaCodecAudioDecoder

media/filters/android/media_codec_audio_decoder.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/filters/android/media_codec_audio_decoder.h"
 
 #include "base/android/build_info.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/logging.h"
@@ skipping 158 matching lines @@
     media_codec_.reset();
     media_codec_ = CreateMediaCodec(config_);
     success = !!media_codec_;
   }
 
   SetState(success ? STATE_READY : STATE_ERROR);
 
   task_runner_->PostTask(FROM_HERE, closure);
 }
 
+bool MediaCodecAudioDecoder::NeedsBitstreamConversion() const {
+  // An AAC stream needs to be converted as ADTS stream.
+  DCHECK_NE(config_.codec(), kUnknownAudioCodec);
+  return config_.codec() == kCodecAAC;
+}
+
 void MediaCodecAudioDecoder::OnKeyAdded() {
   DVLOG(1) << __FUNCTION__;
 
   if (state_ == STATE_WAITING_FOR_KEY)
     SetState(STATE_READY);
 
   DoIOTask();
 }
 
 void MediaCodecAudioDecoder::DoIOTask() {
@@ skipping 351 matching lines @@
     RETURN_STRING(STATE_DRAINED);
     RETURN_STRING(STATE_ERROR);
   }
   NOTREACHED() << "Unknown state " << state;
   return nullptr;
 }
 
 #undef RETURN_STRING
 
 }  // namespace media