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// Copyright 2014 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 <memory>
#include <string>
#include <vector>
#include "base/optional.h"
#include "media/base/audio_codecs.h"
#include "media/base/audio_parameters.h"
#include "media/base/key_system_properties.h"
#include "media/base/media_export.h"
#include "media/base/media_types.h"
#include "media/base/video_codecs.h"
#include "media/base/video_color_space.h"
#include "ui/gfx/color_space.h"
#include "url/gurl.h"
namespace media {
class MediaClient;
// Setter for the client. If a customized client is needed, it should be set
// early, before the client could possibly be used.
MEDIA_EXPORT void SetMediaClient(MediaClient* media_client);
// Media's embedder API should only be used by media.
// Getter for the client. Returns NULL if no customized client is needed.
MEDIA_EXPORT MediaClient* GetMediaClient();
// A client interface for embedders (e.g. content/renderer) to provide
// customized key systems and decoders.
class MEDIA_EXPORT MediaClient {
virtual ~MediaClient();
// Adds properties for supported key systems.
virtual void AddSupportedKeySystems(
std::vector<std::unique_ptr<KeySystemProperties>>* key_systems) = 0;
// Returns whether client key systems properties should be updated.
// TODO(chcunningham): Refactor this to a proper change "observer" API that is
// less fragile (don't assume AddSupportedKeySystems has just one caller).
virtual bool IsKeySystemsUpdateNeeded() = 0;
// Returns true if the given audio config is supported.
virtual bool IsSupportedAudioType(const AudioType& type) = 0;
// Returns true if the given video config is supported.
virtual bool IsSupportedVideoType(const VideoType& type) = 0;
// Returns true if the compressed audio |codec| format is supported by the
// audio sink.
virtual bool IsSupportedBitstreamAudioCodec(AudioCodec codec) = 0;
// Optionally returns audio renderer algorithm parameters.
virtual base::Optional<::media::AudioRendererAlgorithmParameters>
GetAudioRendererAlgorithmParameters(AudioParameters audio_parameters) = 0;
} // namespace media