blob: da43b06b059678316b8b7f4b12863979f6030a41 [file] [log] [blame]
// 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.
#ifndef MEDIA_BASE_MEDIA_CLIENT_H_
#define MEDIA_BASE_MEDIA_CLIENT_H_
#include <memory>
#include <string>
#include <vector>
#include "media/base/audio_codecs.h"
#include "media/base/decode_capabilities.h"
#include "media/base/key_system_properties.h"
#include "media/base/media_export.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.
#if defined(IS_MEDIA_IMPL) || defined(MEDIA_BLINK_IMPLEMENTATION)
// Getter for the client. Returns NULL if no customized client is needed.
MEDIA_EXPORT MediaClient* GetMediaClient();
#endif
// A client interface for embedders (e.g. content/renderer) to provide
// customized key systems and decoders.
class MEDIA_EXPORT MediaClient {
public:
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 IsSupportedAudioConfig(const AudioConfig& config) = 0;
// Returns true if the given video config is supported.
virtual bool IsSupportedVideoConfig(const VideoConfig& config) = 0;
// Returns true if the compressed audio |codec| format is supported by the
// audio sink.
virtual bool IsSupportedBitstreamAudioCodec(AudioCodec codec) = 0;
};
} // namespace media
#endif // MEDIA_BASE_MEDIA_CLIENT_H_