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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "BufferQueue"
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
//#define LOG_NDEBUG 0
#ifndef NO_BUFFERHUB
#include <gui/BufferHubConsumer.h>
#include <gui/BufferHubProducer.h>
#endif
#include <gui/BufferQueue.h>
#include <gui/BufferQueueConsumer.h>
#include <gui/BufferQueueCore.h>
#include <gui/BufferQueueProducer.h>
namespace android {
BufferQueue::ProxyConsumerListener::ProxyConsumerListener(
const wp<ConsumerListener>& consumerListener):
mConsumerListener(consumerListener) {}
BufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
void BufferQueue::ProxyConsumerListener::onDisconnect() {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != nullptr) {
listener->onDisconnect();
}
}
void BufferQueue::ProxyConsumerListener::onFrameAvailable(
const BufferItem& item) {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != nullptr) {
listener->onFrameAvailable(item);
}
}
void BufferQueue::ProxyConsumerListener::onFrameReplaced(
const BufferItem& item) {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != nullptr) {
listener->onFrameReplaced(item);
}
}
void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != nullptr) {
listener->onBuffersReleased();
}
}
void BufferQueue::ProxyConsumerListener::onSidebandStreamChanged() {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != nullptr) {
listener->onSidebandStreamChanged();
}
}
void BufferQueue::ProxyConsumerListener::addAndGetFrameTimestamps(
const NewFrameEventsEntry* newTimestamps,
FrameEventHistoryDelta* outDelta) {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != nullptr) {
listener->addAndGetFrameTimestamps(newTimestamps, outDelta);
}
}
void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
sp<IGraphicBufferConsumer>* outConsumer,
bool consumerIsSurfaceFlinger) {
LOG_ALWAYS_FATAL_IF(outProducer == nullptr,
"BufferQueue: outProducer must not be NULL");
LOG_ALWAYS_FATAL_IF(outConsumer == nullptr,
"BufferQueue: outConsumer must not be NULL");
sp<BufferQueueCore> core(new BufferQueueCore());
LOG_ALWAYS_FATAL_IF(core == nullptr,
"BufferQueue: failed to create BufferQueueCore");
sp<IGraphicBufferProducer> producer(new BufferQueueProducer(core, consumerIsSurfaceFlinger));
LOG_ALWAYS_FATAL_IF(producer == nullptr,
"BufferQueue: failed to create BufferQueueProducer");
sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core));
LOG_ALWAYS_FATAL_IF(consumer == nullptr,
"BufferQueue: failed to create BufferQueueConsumer");
*outProducer = producer;
*outConsumer = consumer;
}
#ifndef NO_BUFFERHUB
void BufferQueue::createBufferHubQueue(sp<IGraphicBufferProducer>* outProducer,
sp<IGraphicBufferConsumer>* outConsumer) {
LOG_ALWAYS_FATAL_IF(outProducer == nullptr, "BufferQueue: outProducer must not be NULL");
LOG_ALWAYS_FATAL_IF(outConsumer == nullptr, "BufferQueue: outConsumer must not be NULL");
sp<IGraphicBufferProducer> producer;
sp<IGraphicBufferConsumer> consumer;
dvr::ProducerQueueConfigBuilder configBuilder;
std::shared_ptr<dvr::ProducerQueue> producerQueue =
dvr::ProducerQueue::Create(configBuilder.Build(), dvr::UsagePolicy{});
LOG_ALWAYS_FATAL_IF(producerQueue == nullptr, "BufferQueue: failed to create ProducerQueue.");
std::shared_ptr<dvr::ConsumerQueue> consumerQueue = producerQueue->CreateConsumerQueue();
LOG_ALWAYS_FATAL_IF(consumerQueue == nullptr, "BufferQueue: failed to create ConsumerQueue.");
producer = BufferHubProducer::Create(producerQueue);
consumer = BufferHubConsumer::Create(consumerQueue);
LOG_ALWAYS_FATAL_IF(producer == nullptr, "BufferQueue: failed to create BufferQueueProducer");
LOG_ALWAYS_FATAL_IF(consumer == nullptr, "BufferQueue: failed to create BufferQueueConsumer");
*outProducer = producer;
*outConsumer = consumer;
}
#endif
}; // namespace android
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