зеркало из https://github.com/mozilla/gecko-dev.git
75 строки
2.9 KiB
C++
75 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ANDROID_IMEDIARESOURCEMANAGERSERVICE_H
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#define ANDROID_IMEDIARESOURCEMANAGERSERVICE_H
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#include <utils/RefBase.h>
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#include <binder/IInterface.h>
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#include "IMediaResourceManagerClient.h"
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namespace android {
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// ----------------------------------------------------------------------------
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class IMediaResourceManagerService : public IInterface
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{
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public:
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DECLARE_META_INTERFACE(MediaResourceManagerService);
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// Enumeration for the resource types
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enum ResourceType {
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HW_VIDEO_DECODER = 0,
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HW_AUDIO_DECODER, // Not supported currently.
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HW_VIDEO_ENCODER,
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HW_AUDIO_ENCODER, // Not supported currently.
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HW_CAMERA, // Not supported currently.
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NUM_OF_RESOURCE_TYPES,
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INVALID_RESOURCE_TYPE = -1
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};
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enum ErrorCode {
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RESOURCE_NOT_AVAILABLE = -EAGAIN
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};
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// Request a media resource for IMediaResourceManagerClient.
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// client is the binder that service will notify (through
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// IMediaResourceManagerClient::statusChanged()) when request status changed.
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// resourceType is type of resource that client would like to request.
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// willWait indicates that, when the resource is not currently available
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// (i.e., already in use by another client), if the client wants to wait. If
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// true, client will be put into a (FIFO) waiting list and be notified when
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// resource is available.
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// For unsupported types, this function returns BAD_TYPE. For supported
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// types, it always returns OK when willWait is true; otherwise it will
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// return true when resouce is available, or RESOURCE_NOT_AVAILABLE when
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// resouce is in use.
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virtual status_t requestMediaResource(const sp<IMediaResourceManagerClient>& client, int resourceType, bool willWait) = 0;
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// Cancel a media resource request and a resource allocated to IMediaResourceManagerClient.
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// Client must call this function after it's done with the media resource requested.
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virtual status_t cancelClient(const sp<IMediaResourceManagerClient>& client, int resourceType) = 0;
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};
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// ----------------------------------------------------------------------------
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class BnMediaResourceManagerService : public BnInterface<IMediaResourceManagerService>
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{
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public:
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virtual status_t onTransact( uint32_t code,
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const Parcel& data,
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Parcel* reply,
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uint32_t flags = 0);
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};
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_IMEDIARESOURCEMANAGERSERVICE_H
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