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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
#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::onFrameAvailable(
const BufferItem& item) {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != NULL) {
listener->onFrameAvailable(item);
}
}
void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != NULL) {
listener->onBuffersReleased();
}
}
void BufferQueue::ProxyConsumerListener::onSidebandStreamChanged() {
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != NULL) {
listener->onSidebandStreamChanged();
}
}
void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
sp<IGraphicBufferConsumer>* outConsumer,
const sp<IGraphicBufferAlloc>& allocator) {
LOG_ALWAYS_FATAL_IF(outProducer == NULL,
"BufferQueue: outProducer must not be NULL");
LOG_ALWAYS_FATAL_IF(outConsumer == NULL,
"BufferQueue: outConsumer must not be NULL");
sp<BufferQueueCore> core(new BufferQueueCore(allocator));
LOG_ALWAYS_FATAL_IF(core == NULL,
"BufferQueue: failed to create BufferQueueCore");
sp<IGraphicBufferProducer> producer(new BufferQueueProducer(core));
LOG_ALWAYS_FATAL_IF(producer == NULL,
"BufferQueue: failed to create BufferQueueProducer");
sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core));
LOG_ALWAYS_FATAL_IF(consumer == NULL,
"BufferQueue: failed to create BufferQueueConsumer");
*outProducer = producer;
*outConsumer = consumer;
}
}; // namespace android
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