Implement MojoAudioDecoderService

media/mojo/services/mojo_audio_decoder_service.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/services/mojo_audio_decoder_service.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "base/logging.h"
-#include "media/mojo/services/mojo_audio_decoder_service.h"
+#include "media/base/cdm_context.h"
+#include "media/mojo/common/media_type_converters.h"
 
 namespace media {
 
 MojoAudioDecoderService::MojoAudioDecoderService(
     scoped_ptr<media::AudioDecoder> decoder,
     mojo::InterfaceRequest<interfaces::AudioDecoder> request)
-    : binding_(this, std::move(request)), decoder_(std::move(decoder)) {}
+    : binding_(this, std::move(request)),
+      decoder_(std::move(decoder)),
+      weak_factory_(this) {
+  weak_this_ = weak_factory_.GetWeakPtr();
+}
 
 MojoAudioDecoderService::~MojoAudioDecoderService() {}
 
 void MojoAudioDecoderService::Initialize(
     interfaces::AudioDecoderClientPtr client,
     interfaces::AudioDecoderConfigPtr config,
     int32_t cdm_id,
     const InitializeCallback& callback) {
-  NOTIMPLEMENTED();
-  callback.Run(false, false);
+  DVLOG(1) << __FUNCTION__ << " "
+           << config.To<media::AudioDecoderConfig>().AsHumanReadableString();
+
+  // Encrypted streams are not supported for now.
+  if (config.To<media::AudioDecoderConfig>().is_encrypted() &&
+      cdm_id == CdmContext::kInvalidCdmId) {
+    NOTREACHED();  // The client should prevent this situation.

[xhwang, 2016/03/19 03:45:53]

nit: You can still use a error message for better logging:

NOTREACHED() << "....";

[Tima Vaisburd, 2016/03/19 04:10:34]

Done.

+    callback.Run(false, false);
+    return;
+  }
+
+  client_ = std::move(client);
+
+  // TODO(timav): Get CdmContext from cdm_id.
+  decoder_->Initialize(
+      config.To<media::AudioDecoderConfig>(),
+      nullptr,  // no CdmContext
+      base::Bind(&MojoAudioDecoderService::OnInitialized, weak_this_, callback),
+      base::Bind(&MojoAudioDecoderService::OnAudioBufferReady, weak_this_));
 }
 
 void MojoAudioDecoderService::Decode(interfaces::DecoderBufferPtr buffer,
                                      const DecodeCallback& callback) {
-  NOTIMPLEMENTED();
-  callback.Run(DecodeStatus::DECODE_ERROR);
+  DVLOG(3) << __FUNCTION__;
+  decoder_->Decode(ReadDecoderBuffer(std::move(buffer)),
+                   base::Bind(&MojoAudioDecoderService::OnDecodeStatus,
+                              weak_this_, callback));
 }
 
 void MojoAudioDecoderService::Reset(const ResetCallback& callback) {
-  NOTIMPLEMENTED();
+  DVLOG(1) << __FUNCTION__;
+  decoder_->Reset(
+      base::Bind(&MojoAudioDecoderService::OnResetDone, weak_this_, callback));
+}
+
+void MojoAudioDecoderService::OnInitialized(const InitializeCallback& callback,
+                                            bool success) {
+  DVLOG(1) << __FUNCTION__ << " success:" << success;
+  callback.Run(success, decoder_->NeedsBitstreamConversion());
+}
+
+static interfaces::AudioDecoder::DecodeStatus ConvertDecodeStatus(
+    media::AudioDecoder::Status status) {
+  switch (status) {
+    case media::AudioDecoder::kOk:
+      return interfaces::AudioDecoder::DecodeStatus::OK;
+    case media::AudioDecoder::kAborted:
+      return interfaces::AudioDecoder::DecodeStatus::ABORTED;
+    case media::AudioDecoder::kDecodeError:
+      return interfaces::AudioDecoder::DecodeStatus::DECODE_ERROR;
+  }
+  NOTREACHED();
+  return interfaces::AudioDecoder::DecodeStatus::DECODE_ERROR;
+}
+
+void MojoAudioDecoderService::OnDecodeStatus(
+    const DecodeCallback& callback,
+    media::AudioDecoder::Status status) {
+  DVLOG(3) << __FUNCTION__ << " status:" << status;
+  callback.Run(ConvertDecodeStatus(status));
+}
+
+void MojoAudioDecoderService::OnResetDone(const ResetCallback& callback) {
+  DVLOG(1) << __FUNCTION__;
   callback.Run();
 }
 
+void MojoAudioDecoderService::OnAudioBufferReady(
+    const scoped_refptr<AudioBuffer>& audio_buffer) {
+  DVLOG(1) << __FUNCTION__;
+  NOTIMPLEMENTED();
+}
+
+scoped_refptr<DecoderBuffer> MojoAudioDecoderService::ReadDecoderBuffer(
+    interfaces::DecoderBufferPtr buffer) {
+  scoped_refptr<DecoderBuffer> media_buffer(
+      buffer.To<scoped_refptr<DecoderBuffer>>());
+
+  NOTIMPLEMENTED();
+  return media_buffer;
+}
+
 }  // namespace media