Implement MojoAudioRendererSink and use it in UtilityMojoMediaClient

media/base/audio_bus.cc

 // Copyright (c) 2012 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/base/audio_bus.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <limits>
@@ skipping 44 matching lines @@
 void AudioBus::CheckOverflow(int start_frame, int frames, int total_frames) {
   CHECK_GE(start_frame, 0);
   CHECK_GE(frames, 0);
   CHECK_GT(total_frames, 0);
   int sum = start_frame + frames;
   CHECK_LE(sum, total_frames);
   CHECK_GE(sum, 0);
 }
 
 AudioBus::AudioBus(int channels, int frames)
-    : frames_(frames),
-      can_set_channel_data_(false) {
+    : data_size_(0), frames_(frames), can_set_channel_data_(false) {
   ValidateConfig(channels, frames_);
 
   int aligned_frames = 0;
-  int size = CalculateMemorySizeInternal(channels, frames, &aligned_frames);
+  data_size_ = CalculateMemorySizeInternal(channels, frames, &aligned_frames);
 
-  data_.reset(static_cast<float*>(base::AlignedAlloc(
-      size, AudioBus::kChannelAlignment)));
+  data_.reset(static_cast<float*>(
+      base::AlignedAlloc(data_size_, AudioBus::kChannelAlignment)));
 
   BuildChannelData(channels, aligned_frames, data_.get());
 }
 
 AudioBus::AudioBus(int channels, int frames, float* data)
-    : frames_(frames),
-      can_set_channel_data_(false) {
+    : data_size_(0), frames_(frames), can_set_channel_data_(false) {
   // Since |data| may have come from an external source, ensure it's valid.
   CHECK(data);
   ValidateConfig(channels, frames_);
 
   int aligned_frames = 0;
-  CalculateMemorySizeInternal(channels, frames, &aligned_frames);
+  data_size_ = CalculateMemorySizeInternal(channels, frames, &aligned_frames);
 
   BuildChannelData(channels, aligned_frames, data);
 }
 
 AudioBus::AudioBus(int frames, const std::vector<float*>& channel_data)
-    : channel_data_(channel_data),
+    : data_size_(0),
+      channel_data_(channel_data),
       frames_(frames),
       can_set_channel_data_(false) {
   ValidateConfig(
       base::checked_cast<int>(channel_data_.size()), frames_);
 
   // Sanity check wrapped vector for alignment and channel count.
   for (size_t i = 0; i < channel_data_.size(); ++i)
     DCHECK(IsAligned(channel_data_[i]));
 }
 
 AudioBus::AudioBus(int channels)
-    : channel_data_(channels),
+    : data_size_(0),
+      channel_data_(channels),
       frames_(0),
       can_set_channel_data_(true) {
   CHECK_GT(channels, 0);
   for (size_t i = 0; i < channel_data_.size(); ++i)
     channel_data_[i] = NULL;
 }
 
 AudioBus::~AudioBus() {}
 
 std::unique_ptr<AudioBus> AudioBus::Create(int channels, int frames) {
@@ skipping 234 matching lines @@
   return scoped_refptr<AudioBusRefCounted>(
       new AudioBusRefCounted(channels, frames));
 }
 
 AudioBusRefCounted::AudioBusRefCounted(int channels, int frames)
     : AudioBus(channels, frames) {}
 
 AudioBusRefCounted::~AudioBusRefCounted() {}
 
 }  // namespace media