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63 lines
1.8 KiB
63 lines
1.8 KiB
// Copyright 2018 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.#pragma once
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#include "AndroidBufferQueue.h"
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#include "base/MessageChannel.h"
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using android::base::MessageChannel;
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namespace aemu {
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class AndroidBufferQueue::Impl {
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public:
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Impl() = default;
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~Impl() = default;
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MessageChannel<AndroidBufferQueue::Item,
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AndroidBufferQueue::kCapacity> queue;
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MessageChannel<AndroidBufferQueue::Item,
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AndroidBufferQueue::kCapacity> canceled;
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};
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AndroidBufferQueue::AndroidBufferQueue() {
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mImpl.reset(new AndroidBufferQueue::Impl());
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}
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AndroidBufferQueue::~AndroidBufferQueue() = default;
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void AndroidBufferQueue::cancelBuffer(
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const AndroidBufferQueue::Item& item) {
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mImpl->canceled.send(item);
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}
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void AndroidBufferQueue::queueBuffer(
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const AndroidBufferQueue::Item& item) {
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mImpl->queue.send(item);
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}
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void AndroidBufferQueue::dequeueBuffer(
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AndroidBufferQueue::Item* outItem) {
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if (mImpl->canceled.tryReceive(outItem)) {
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return;
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}
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mImpl->queue.receive(outItem);
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}
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bool AndroidBufferQueue::try_dequeueBuffer(
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AndroidBufferQueue::Item* outItem) {
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if (mImpl->canceled.tryReceive(outItem)) return true;
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return mImpl->queue.tryReceive(outItem);
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}
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} // namespace aemu
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