media: Add logs in MojoAudioDecoder::Initialize()

media/mojo/clients/mojo_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/mojo/clients/mojo_audio_decoder.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
@@ skipping 30 matching lines @@
                                   const InitCB& init_cb,
                                   const OutputCB& output_cb) {
   DVLOG(1) << __func__;
   DCHECK(task_runner_->BelongsToCurrentThread());
 
   if (!remote_decoder_.is_bound())
     BindRemoteDecoder();
 
   // This could happen during reinitialization.
   if (remote_decoder_.encountered_error()) {
+    DVLOG(1) << __func__ << ": Connection error happened.";
     task_runner_->PostTask(FROM_HERE, base::Bind(init_cb, false));
     return;
   }
 
   // Fail immediately if the stream is encrypted but |cdm_context| is invalid.
   int cdm_id = (config.is_encrypted() && cdm_context)
                    ? cdm_context->GetCdmId()
                    : CdmContext::kInvalidCdmId;
 
   if (config.is_encrypted() && CdmContext::kInvalidCdmId == cdm_id) {
+    DVLOG(1) << __func__ << ": Invalid CdmContext.";
     task_runner_->PostTask(FROM_HERE, base::Bind(init_cb, false));
     return;
   }
 
   init_cb_ = init_cb;
   output_cb_ = output_cb;
 
   // Using base::Unretained(this) is safe because |this| owns |remote_decoder_|,
   // and the callback won't be dispatched if |remote_decoder_| is destroyed.
   remote_decoder_->Initialize(
@@ skipping 127 matching lines @@
   DCHECK(task_runner_->BelongsToCurrentThread());
 
   // For pending decodes OnDecodeStatus() should arrive before OnResetDone().
   DCHECK(decode_cb_.is_null());
 
   DCHECK(!reset_cb_.is_null());
   base::ResetAndReturn(&reset_cb_).Run();
 }
 
 }  // namespace media