8dc55396fc
Passes the BufferItem for the queued buffer to the onFrameAvailable callback so the consumer can track the BufferQueue's contents. Also adds an onFrameReplaced callback, which is necessary if the consumer wants to do anything more than simple queue length tracking. Bug: 18111837 Change-Id: If9d07229c9b586c668e5f99074e9b63b0468feb0
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/*
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* Copyright (C) 2012 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.
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*/
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#define LOG_TAG "BufferQueue"
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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//#define LOG_NDEBUG 0
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#include <gui/BufferQueue.h>
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#include <gui/BufferQueueConsumer.h>
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#include <gui/BufferQueueCore.h>
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#include <gui/BufferQueueProducer.h>
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namespace android {
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BufferQueue::ProxyConsumerListener::ProxyConsumerListener(
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const wp<ConsumerListener>& consumerListener):
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mConsumerListener(consumerListener) {}
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BufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
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void BufferQueue::ProxyConsumerListener::onFrameAvailable(
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const android::BufferItem& item) {
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sp<ConsumerListener> listener(mConsumerListener.promote());
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if (listener != NULL) {
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listener->onFrameAvailable(item);
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}
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}
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void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
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sp<ConsumerListener> listener(mConsumerListener.promote());
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if (listener != NULL) {
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listener->onBuffersReleased();
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}
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}
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void BufferQueue::ProxyConsumerListener::onSidebandStreamChanged() {
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sp<ConsumerListener> listener(mConsumerListener.promote());
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if (listener != NULL) {
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listener->onSidebandStreamChanged();
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}
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}
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void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
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sp<IGraphicBufferConsumer>* outConsumer,
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const sp<IGraphicBufferAlloc>& allocator) {
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LOG_ALWAYS_FATAL_IF(outProducer == NULL,
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"BufferQueue: outProducer must not be NULL");
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LOG_ALWAYS_FATAL_IF(outConsumer == NULL,
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"BufferQueue: outConsumer must not be NULL");
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sp<BufferQueueCore> core(new BufferQueueCore(allocator));
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LOG_ALWAYS_FATAL_IF(core == NULL,
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"BufferQueue: failed to create BufferQueueCore");
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sp<IGraphicBufferProducer> producer(new BufferQueueProducer(core));
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LOG_ALWAYS_FATAL_IF(producer == NULL,
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"BufferQueue: failed to create BufferQueueProducer");
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sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core));
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LOG_ALWAYS_FATAL_IF(consumer == NULL,
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"BufferQueue: failed to create BufferQueueConsumer");
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*outProducer = producer;
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*outConsumer = consumer;
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}
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}; // namespace android
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