68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/*
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* Copyright (C) 2011 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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#include <stdlib.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Errors.h>
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#include "Layer.h"
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#include "SurfaceTextureLayer.h"
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namespace android {
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// ---------------------------------------------------------------------------
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SurfaceTextureLayer::SurfaceTextureLayer()
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: BufferQueue(true) {
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}
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SurfaceTextureLayer::~SurfaceTextureLayer() {
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}
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status_t SurfaceTextureLayer::connect(int api,
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uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
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status_t err = BufferQueue::connect(api,
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outWidth, outHeight, outTransform);
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if (err == NO_ERROR) {
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switch(api) {
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case NATIVE_WINDOW_API_MEDIA:
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case NATIVE_WINDOW_API_CAMERA:
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// Camera preview and videos are rate-limited on the producer
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// side. If enabled for this build, we use async mode to always
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// show the most recent frame at the cost of requiring an
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// additional buffer.
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#ifndef NEVER_DEFAULT_TO_ASYNC_MODE
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err = setSynchronousMode(false);
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break;
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#endif
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// fall through to set synchronous mode when not defaulting to
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// async mode.
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default:
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err = setSynchronousMode(true);
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break;
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}
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if (err != NO_ERROR) {
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disconnect(api);
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}
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}
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return err;
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}
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// ---------------------------------------------------------------------------
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}; // namespace android
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