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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.
#ifndef MEDIA_MOJO_SERVICES_MOJO_MEDIA_CLIENT_H_
#define MEDIA_MOJO_SERVICES_MOJO_MEDIA_CLIENT_H_
#include <memory>
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/unguessable_token.h"
#include "build/build_config.h"
#include "media/base/overlay_info.h"
#include "media/base/supported_video_decoder_config.h"
#include "media/media_buildflags.h"
#include "media/mojo/buildflags.h"
#include "media/mojo/mojom/frame_interface_factory.mojom.h"
#include "media/mojo/mojom/renderer_extensions.mojom.h"
#include "media/mojo/mojom/stable/stable_video_decoder.mojom.h"
#include "media/mojo/mojom/video_decoder.mojom.h"
#include "media/mojo/services/media_mojo_export.h"
namespace base {
class SingleThreadTaskRunner;
} // namespace base
namespace gfx {
class ColorSpace;
} // namespace gfx
namespace media {
class AudioDecoder;
class AudioEncoder;
class CdmFactory;
class MediaLog;
class Renderer;
class VideoDecoder;
// Provides a way for MediaService to create concrete (e.g. platform specific)
// media components’ implementations. When MediaService is created, a
// MojoMediaClient must be passed in so that MediaService knows how to create
// the media components.
class MEDIA_MOJO_EXPORT MojoMediaClient {
public:
// Called before the host application is scheduled to quit.
// The application message loop is still valid at this point, so all clean
// up tasks requiring the message loop must be completed before returning.
virtual ~MojoMediaClient();
// Called exactly once before any other method.
virtual void Initialize();
virtual std::unique_ptr<AudioDecoder> CreateAudioDecoder(
scoped_refptr<base::SingleThreadTaskRunner> task_runner);
virtual std::unique_ptr<AudioEncoder> CreateAudioEncoder(
scoped_refptr<base::SequencedTaskRunner> task_runner);
virtual std::vector<SupportedVideoDecoderConfig>
GetSupportedVideoDecoderConfigs();
virtual VideoDecoderType GetDecoderImplementationType();
virtual std::unique_ptr<VideoDecoder> CreateVideoDecoder(
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
MediaLog* media_log,
mojom::CommandBufferIdPtr command_buffer_id,
RequestOverlayInfoCB request_overlay_info_cb,
const gfx::ColorSpace& target_color_space,
mojo::PendingRemote<stable::mojom::StableVideoDecoder> oop_video_decoder);
// Returns the Renderer to be used by MojoRendererService.
// TODO(hubbe): Find out whether we should pass in |target_color_space| here.
// TODO(guohuideng): Merge this function into CreateCastRenderer.
virtual std::unique_ptr<Renderer> CreateRenderer(
mojom::FrameInterfaceFactory* frame_interfaces,
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
MediaLog* media_log,
const std::string& audio_device_id);
#if BUILDFLAG(ENABLE_CAST_RENDERER)
// Used on Chromecast only.
// When CastRenderer is created to play video content, an |overlay_plane_id|
// is needed to indicate which |overlay_factory| this CastRenderer will be
// associtated with.
// Chromecast also uses CreateRenderer to create "audio only" renderers.
virtual std::unique_ptr<Renderer> CreateCastRenderer(
mojom::FrameInterfaceFactory* frame_interfaces,
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
MediaLog* media_log,
const base::UnguessableToken& overlay_plane_id);
#endif // BUILDFLAG(ENABLE_CAST_RENDERER)
#if BUILDFLAG(IS_WIN)
virtual std::unique_ptr<Renderer> CreateMediaFoundationRenderer(
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
mojom::FrameInterfaceFactory* frame_interfaces,
mojo::PendingRemote<mojom::MediaLog> media_log_remote,
mojo::PendingReceiver<mojom::MediaFoundationRendererExtension>
renderer_extension_receiver,
mojo::PendingRemote<media::mojom::MediaFoundationRendererClientExtension>
client_extension_remote);
#endif // BUILDFLAG(IS_WIN)
// Returns the CdmFactory to be used by MojoCdmService. |frame_interfaces|
// can be used to request interfaces provided remotely by the host. It may
// be a nullptr if the host chose not to bind the InterfacePtr.
virtual std::unique_ptr<CdmFactory> CreateCdmFactory(
mojom::FrameInterfaceFactory* frame_interfaces);
protected:
MojoMediaClient();
};
} // namespace media
#endif // MEDIA_MOJO_SERVICES_MOJO_MEDIA_CLIENT_H_
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