blob: c55f3a67d488f38f1a4f02f74e59d613c082761a [file] [log] [blame]
// Copyright 2013 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.
#ifndef COBALT_MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_
#define COBALT_MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_
#include <string>
#include "base/basictypes.h"
#include "cobalt/media/base/audio_parameters.h"
#include "cobalt/media/base/audio_renderer_sink.h"
#include "cobalt/media/base/output_device_info.h"
#include "starboard/types.h"
namespace cobalt {
namespace media {
class FakeAudioRendererSink : public AudioRendererSink {
public:
enum State {
kUninitialized,
kInitialized,
kStarted,
kPaused,
kPlaying,
kStopped
};
FakeAudioRendererSink();
explicit FakeAudioRendererSink(const AudioParameters& hardware_params);
void Initialize(const AudioParameters& params,
RenderCallback* callback) OVERRIDE;
void Start() OVERRIDE;
void Stop() OVERRIDE;
void Pause() OVERRIDE;
void Play() OVERRIDE;
bool SetVolume(double volume) OVERRIDE;
OutputDeviceInfo GetOutputDeviceInfo() OVERRIDE;
bool CurrentThreadIsRenderingThread() OVERRIDE;
// Attempts to call Render() on the callback provided to
// Initialize() with |dest| and |frames_delayed|.
// Returns true and sets |frames_written| to the return value of the
// Render() call.
// Returns false if this object is in a state where calling Render()
// should not occur. (i.e., in the kPaused or kStopped state.) The
// value of |frames_written| is undefined if false is returned.
bool Render(AudioBus* dest, uint32_t frames_delayed, int* frames_written);
void OnRenderError();
State state() const { return state_; }
protected:
~FakeAudioRendererSink() OVERRIDE;
private:
void ChangeState(State new_state);
State state_;
RenderCallback* callback_;
OutputDeviceInfo output_device_info_;
DISALLOW_COPY_AND_ASSIGN(FakeAudioRendererSink);
};
} // namespace media
} // namespace cobalt
#endif // COBALT_MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_