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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.
*/
#ifndef __ANDROID_HAL_CAMERA2_TESTS_STREAM_FIXTURE__
#define __ANDROID_HAL_CAMERA2_TESTS_STREAM_FIXTURE__
#include <gtest/gtest.h>
#include <iostream>
#include <gui/CpuConsumer.h>
#include <gui/Surface.h>
#include <utils/Condition.h>
#include <utils/Mutex.h>
#include "CameraModuleFixture.h"
#include "TestExtensions.h"
namespace android {
namespace camera2 {
namespace tests {
struct CameraStreamParams {
int mFormat;
int mHeapCount;
};
inline void PrintTo(const CameraStreamParams& p, ::std::ostream* os) {
*os << "{ ";
*os << "Format: 0x" << std::hex << p.mFormat << ", ";
*os << "HeapCount: " << p.mHeapCount;
*os << " }";
}
class CameraStreamFixture
: public CameraModuleFixture</*InfoQuirk*/true> {
public:
CameraStreamFixture(CameraStreamParams p)
: CameraModuleFixture(TestSettings::DeviceId()) {
TEST_EXTENSION_FORKING_CONSTRUCTOR;
mParam = p;
SetUp();
}
~CameraStreamFixture() {
TEST_EXTENSION_FORKING_DESTRUCTOR;
TearDown();
}
private:
void SetUp() {
TEST_EXTENSION_FORKING_SET_UP;
CameraModuleFixture::SetUp();
CameraStreamParams p = mParam;
sp<Camera2Device> device = mDevice;
/* use an arbitrary w,h */
{
const int tag = ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES;
const CameraMetadata& staticInfo = device->info();
camera_metadata_ro_entry entry = staticInfo.find(tag);
ASSERT_NE(0u, entry.count)
<< "Missing tag android.scaler.availableProcessedSizes";
ASSERT_LE(2u, entry.count);
/* this seems like it would always be the smallest w,h
but we actually make no contract that it's sorted asc */;
mWidth = entry.data.i32[0];
mHeight = entry.data.i32[1];
}
}
void TearDown() {
TEST_EXTENSION_FORKING_TEAR_DOWN;
// important: shut down HAL before releasing streams
CameraModuleFixture::TearDown();
mNativeWindow.clear();
mCpuConsumer.clear();
mFrameListener.clear();
}
protected:
struct FrameListener : public ConsumerBase::FrameAvailableListener {
FrameListener() {
mPendingFrames = 0;
}
// CpuConsumer::FrameAvailableListener implementation
virtual void onFrameAvailable() {
ALOGV("Frame now available (start)");
Mutex::Autolock lock(mMutex);
mPendingFrames++;
mCondition.signal();
ALOGV("Frame now available (end)");
}
status_t waitForFrame(nsecs_t timeout) {
status_t res;
Mutex::Autolock lock(mMutex);
while (mPendingFrames == 0) {
res = mCondition.waitRelative(mMutex, timeout);
if (res != OK) return res;
}
mPendingFrames--;
return OK;
}
private:
Mutex mMutex;
Condition mCondition;
int mPendingFrames;
};
void CreateStream() {
sp<Camera2Device> device = mDevice;
CameraStreamParams p = mParam;
mCpuConsumer = new CpuConsumer(p.mHeapCount);
mCpuConsumer->setName(String8("CameraStreamTest::mCpuConsumer"));
mNativeWindow = new Surface(
mCpuConsumer->getProducerInterface());
ASSERT_EQ(OK,
device->createStream(mNativeWindow,
mWidth, mHeight, p.mFormat, /*size (for jpegs)*/0,
&mStreamId));
ASSERT_NE(-1, mStreamId);
// do not make 'this' a FrameListener or the lifetime policy will clash
mFrameListener = new FrameListener();
mCpuConsumer->setFrameAvailableListener(mFrameListener);
}
void DeleteStream() {
ASSERT_EQ(OK, mDevice->deleteStream(mStreamId));
}
int mWidth;
int mHeight;
int mStreamId;
android::sp<FrameListener> mFrameListener;
android::sp<CpuConsumer> mCpuConsumer;
android::sp<ANativeWindow> mNativeWindow;
private:
CameraStreamParams mParam;
};
}
}
}
#endif
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