The Tor Browser / file comparison
comparison: content/media/omx/mediaresourcemanager/MediaResourceManagerService.cpp
content/media/omx/mediaresourcemanager/MediaResourceManagerService.cpp
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:8f0eced17e19 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 //#define LOG_NDEBUG 0 | |
| 8 #define LOG_TAG "MediaResourceManagerService" | |
| 9 | |
| 10 #include <binder/IServiceManager.h> | |
| 11 #include <media/stagefright/foundation/AMessage.h> | |
| 12 #include <utils/Log.h> | |
| 13 | |
| 14 #include "MediaResourceManagerClient.h" | |
| 15 #include "MediaResourceManagerService.h" | |
| 16 | |
| 17 namespace android { | |
| 18 | |
| 19 /* static */ | |
| 20 void MediaResourceManagerService::instantiate() { | |
| 21 defaultServiceManager()->addService( | |
| 22 String16("media.resource_manager"), new MediaResourceManagerService()); | |
| 23 } | |
| 24 | |
| 25 MediaResourceManagerService::MediaResourceManagerService() | |
| 26 : mVideoDecoderCount(VIDEO_DECODER_COUNT) | |
| 27 { | |
| 28 mLooper = new ALooper; | |
| 29 mLooper->setName("MediaResourceManagerService"); | |
| 30 | |
| 31 mReflector = new AHandlerReflector<MediaResourceManagerService>(this); | |
| 32 // Register AMessage handler to ALooper. | |
| 33 mLooper->registerHandler(mReflector); | |
| 34 // Start ALooper thread. | |
| 35 mLooper->start(); | |
| 36 } | |
| 37 | |
| 38 MediaResourceManagerService::~MediaResourceManagerService() | |
| 39 { | |
| 40 // Unregister AMessage handler from ALooper. | |
| 41 mLooper->unregisterHandler(mReflector->id()); | |
| 42 // Stop ALooper thread. | |
| 43 mLooper->stop(); | |
| 44 } | |
| 45 | |
| 46 void MediaResourceManagerService::binderDied(const wp<IBinder>& who) | |
| 47 { | |
| 48 if (who != NULL) { | |
| 49 Mutex::Autolock autoLock(mLock); | |
| 50 sp<IBinder> binder = who.promote(); | |
| 51 if (binder != NULL) { | |
| 52 cancelClientLocked(binder); | |
| 53 } | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 void MediaResourceManagerService::requestMediaResource(const sp<IMediaResourceManagerClient>& client, int resourceType) | |
| 58 { | |
| 59 if (resourceType != MediaResourceManagerClient::HW_VIDEO_DECODER) { | |
| 60 // Support only HW_VIDEO_DECODER | |
| 61 return; | |
| 62 } | |
| 63 | |
| 64 { | |
| 65 Mutex::Autolock autoLock(mLock); | |
| 66 sp<IBinder> binder = client->asBinder(); | |
| 67 mVideoCodecRequestQueue.push_back(binder); | |
| 68 binder->linkToDeath(this); | |
| 69 } | |
| 70 | |
| 71 sp<AMessage> notify = | |
| 72 new AMessage(kNotifyRequest, mReflector->id()); | |
| 73 // Post AMessage to MediaResourceManagerService via ALooper. | |
| 74 notify->post(); | |
| 75 } | |
| 76 | |
| 77 status_t MediaResourceManagerService::cancelClient(const sp<IMediaResourceManagerClient>& client) | |
| 78 { | |
| 79 { | |
| 80 Mutex::Autolock autoLock(mLock); | |
| 81 sp<IBinder> binder = client->asBinder(); | |
| 82 cancelClientLocked(binder); | |
| 83 } | |
| 84 | |
| 85 sp<AMessage> notify = | |
| 86 new AMessage(kNotifyRequest, mReflector->id()); | |
| 87 // Post AMessage to MediaResourceManagerService via ALooper. | |
| 88 notify->post(); | |
| 89 | |
| 90 return NO_ERROR; | |
| 91 } | |
| 92 | |
| 93 // Called on ALooper thread. | |
| 94 void MediaResourceManagerService::onMessageReceived(const sp<AMessage> &msg) | |
| 95 { | |
| 96 Mutex::Autolock autoLock(mLock); | |
| 97 | |
| 98 // Exit if no request. | |
| 99 if (mVideoCodecRequestQueue.empty()) { | |
| 100 return; | |
| 101 } | |
| 102 | |
| 103 // Check if resource is available | |
| 104 int found = -1; | |
| 105 for (int i=0 ; i<mVideoDecoderCount ; i++) { | |
| 106 if (!mVideoDecoderSlots[i].mClient.get()) { | |
| 107 found = i; | |
| 108 } | |
| 109 } | |
| 110 | |
| 111 // Exit if no resource is available. | |
| 112 if (found == -1) { | |
| 113 return; | |
| 114 } | |
| 115 | |
| 116 // Assign resource to IMediaResourceManagerClient | |
| 117 Fifo::iterator front(mVideoCodecRequestQueue.begin()); | |
| 118 mVideoDecoderSlots[found].mClient = *front; | |
| 119 mVideoCodecRequestQueue.erase(front); | |
| 120 // Notify resource assignment to the client. | |
| 121 sp<IMediaResourceManagerClient> client = interface_cast<IMediaResourceManagerClient>(mVideoDecoderSlots[found].mClient); | |
| 122 client->statusChanged(MediaResourceManagerClient::CLIENT_STATE_RESOURCE_ASSIGNED); | |
| 123 } | |
| 124 | |
| 125 void MediaResourceManagerService::cancelClientLocked(const sp<IBinder>& binder) | |
| 126 { | |
| 127 // Clear the request from request queue. | |
| 128 Fifo::iterator it(mVideoCodecRequestQueue.begin()); | |
| 129 while (it != mVideoCodecRequestQueue.end()) { | |
| 130 if ((*it).get() == binder.get()) { | |
| 131 mVideoCodecRequestQueue.erase(it); | |
| 132 break; | |
| 133 } | |
| 134 it++; | |
| 135 } | |
| 136 | |
| 137 // Clear the client from the resource | |
| 138 for (int i=0 ; i<mVideoDecoderCount ; i++) { | |
| 139 if (mVideoDecoderSlots[i].mClient.get() == binder.get()) { | |
| 140 mVideoDecoderSlots[i].mClient = NULL; | |
| 141 } | |
| 142 } | |
| 143 binder->unlinkToDeath(this); | |
| 144 } | |
| 145 | |
| 146 }; // namespace android | |
| 147 |
