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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef __ANDROID_HAL_CAMERA2_TESTS_STREAM_FIXTURE__
     18 #define __ANDROID_HAL_CAMERA2_TESTS_STREAM_FIXTURE__
     19 
     20 #include <gtest/gtest.h>
     21 #include <iostream>
     22 #include <fstream>
     23 
     24 #include <gui/CpuConsumer.h>
     25 #include <gui/Surface.h>
     26 #include <utils/Condition.h>
     27 #include <utils/Mutex.h>
     28 #include <system/camera_metadata.h>
     29 
     30 #include "CameraModuleFixture.h"
     31 #include "TestExtensions.h"
     32 
     33 #define ALIGN(x, mask) ( ((x) + (mask) - 1) & ~((mask) - 1) )
     34 
     35 namespace android {
     36 namespace camera2 {
     37 namespace tests {
     38 
     39 // Format specifier for picking the best format for CPU reading the given device
     40 // version
     41 #define CAMERA_STREAM_AUTO_CPU_FORMAT (-1)
     42 
     43 struct CameraStreamParams;
     44 
     45 void PrintTo(const CameraStreamParams& p, ::std::ostream* os);
     46 
     47 struct CameraStreamParams {
     48     int mFormat;
     49     int mHeapCount;
     50 
     51 };
     52 
     53 inline ::std::ostream& operator<<(::std::ostream& os, const CameraStreamParams &p) {
     54     PrintTo(p, &os);
     55     return os;
     56 }
     57 
     58 inline void PrintTo(const CameraStreamParams& p, ::std::ostream* os) {
     59     char fmt[100];
     60     camera_metadata_enum_snprint(
     61         ANDROID_SCALER_AVAILABLE_FORMATS, p.mFormat, fmt, sizeof(fmt));
     62 
     63     *os <<  "{ ";
     64     *os <<  "Format: 0x"  << std::hex << p.mFormat    << ", ";
     65     *os <<  "Format name: " << fmt << ", ";
     66     *os <<  "HeapCount: " <<             p.mHeapCount;
     67     *os << " }";
     68 }
     69 
     70 class CameraStreamFixture
     71     : public CameraModuleFixture</*InfoQuirk*/true> {
     72 
     73 public:
     74     CameraStreamFixture(CameraStreamParams p)
     75     : CameraModuleFixture(TestSettings::DeviceId()) {
     76         TEST_EXTENSION_FORKING_CONSTRUCTOR;
     77 
     78         mParam = p;
     79 
     80         SetUp();
     81     }
     82 
     83     ~CameraStreamFixture() {
     84         TEST_EXTENSION_FORKING_DESTRUCTOR;
     85 
     86         TearDown();
     87     }
     88 
     89 private:
     90 
     91     void SetUp() {
     92         TEST_EXTENSION_FORKING_SET_UP;
     93 
     94         CameraModuleFixture::SetUp();
     95 
     96         sp<CameraDeviceBase> device = mDevice;
     97 
     98         /* use an arbitrary w,h */
     99         if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
    100             const int tag = ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES;
    101 
    102             const CameraMetadata& staticInfo = device->info();
    103             camera_metadata_ro_entry entry = staticInfo.find(tag);
    104             ASSERT_NE(0u, entry.count)
    105                 << "Missing tag android.scaler.availableProcessedSizes";
    106 
    107             ASSERT_LE(2u, entry.count);
    108             /* this seems like it would always be the smallest w,h
    109                but we actually make no contract that it's sorted asc */
    110             mWidth = entry.data.i32[0];
    111             mHeight = entry.data.i32[1];
    112         } else {
    113             buildOutputResolutions();
    114             const int32_t *implDefResolutions;
    115             size_t   implDefResolutionsCount;
    116 
    117             int format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
    118 
    119             getResolutionList(format,
    120                     &implDefResolutions, &implDefResolutionsCount);
    121             ASSERT_NE(0u, implDefResolutionsCount)
    122                 << "Missing implementation defined sizes";
    123             mWidth = implDefResolutions[0];
    124             mHeight = implDefResolutions[1];
    125         }
    126     }
    127     void TearDown() {
    128         TEST_EXTENSION_FORKING_TEAR_DOWN;
    129 
    130         // important: shut down HAL before releasing streams
    131         CameraModuleFixture::TearDown();
    132 
    133         deleteOutputResolutions();
    134         mNativeWindow.clear();
    135         mCpuConsumer.clear();
    136         mFrameListener.clear();
    137     }
    138 
    139 protected:
    140 
    141     int64_t getMinFrameDurationFor(int32_t format, int32_t width, int32_t height) {
    142         int64_t minFrameDuration = -1L;
    143         const int tag = ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS;
    144         sp<CameraDeviceBase> device = mDevice;
    145         const CameraMetadata& staticInfo = device->info();
    146         camera_metadata_ro_entry_t availableMinDurations = staticInfo.find(tag);
    147         for (uint32_t i = 0; i < availableMinDurations.count; i += 4) {
    148             if (format == availableMinDurations.data.i64[i] &&
    149                     width == availableMinDurations.data.i64[i + 1] &&
    150                     height == availableMinDurations.data.i64[i + 2]) {
    151                 minFrameDuration = availableMinDurations.data.i64[i + 3];
    152                 break;
    153             }
    154         }
    155         return minFrameDuration;
    156     }
    157 
    158     void buildOutputResolutions() {
    159         if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
    160             return;
    161         }
    162         if (mOutputResolutions.isEmpty()) {
    163             const int tag = ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS;
    164             const CameraMetadata& staticInfo = mDevice->info();
    165             camera_metadata_ro_entry_t availableStrmConfigs = staticInfo.find(tag);
    166             ASSERT_EQ(0u, availableStrmConfigs.count % 4);
    167             for (uint32_t i = 0; i < availableStrmConfigs.count; i += 4) {
    168                 int32_t format = availableStrmConfigs.data.i32[i];
    169                 int32_t width = availableStrmConfigs.data.i32[i + 1];
    170                 int32_t height = availableStrmConfigs.data.i32[i + 2];
    171                 int32_t inOrOut = availableStrmConfigs.data.i32[i + 3];
    172                 if (inOrOut == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT) {
    173                     int index = mOutputResolutions.indexOfKey(format);
    174                     if (index < 0) {
    175                         index = mOutputResolutions.add(format, new Vector<int32_t>());
    176                         ASSERT_TRUE(index >= 0);
    177                     }
    178                     Vector<int32_t> *resolutions = mOutputResolutions.editValueAt(index);
    179                     resolutions->add(width);
    180                     resolutions->add(height);
    181                 }
    182             }
    183         }
    184     }
    185 
    186     void getResolutionList(int32_t format,
    187             const int32_t **list,
    188             size_t *count) {
    189         status_t res;
    190         ALOGV("Getting resolutions for format %x", format);
    191         if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
    192             return;
    193         }
    194         int index = mOutputResolutions.indexOfKey(format);
    195         ASSERT_TRUE(index >= 0);
    196         Vector<int32_t>* resolutions = mOutputResolutions.valueAt(index);
    197         *list = resolutions->array();
    198         *count = resolutions->size();
    199     }
    200 
    201     void deleteOutputResolutions() {
    202         for (uint32_t i = 0; i < mOutputResolutions.size(); i++) {
    203             Vector<int32_t>* resolutions = mOutputResolutions.editValueAt(i);
    204             delete resolutions;
    205         }
    206         mOutputResolutions.clear();
    207     }
    208 
    209     struct FrameListener : public ConsumerBase::FrameAvailableListener {
    210 
    211         FrameListener() {
    212             mPendingFrames = 0;
    213         }
    214 
    215         // CpuConsumer::FrameAvailableListener implementation
    216         virtual void onFrameAvailable(const BufferItem& /* item */) {
    217             ALOGV("Frame now available (start)");
    218 
    219             Mutex::Autolock lock(mMutex);
    220             mPendingFrames++;
    221             mCondition.signal();
    222 
    223             ALOGV("Frame now available (end)");
    224         }
    225 
    226         status_t waitForFrame(nsecs_t timeout) {
    227             status_t res;
    228             Mutex::Autolock lock(mMutex);
    229             while (mPendingFrames == 0) {
    230                 res = mCondition.waitRelative(mMutex, timeout);
    231                 if (res != OK) return res;
    232             }
    233             mPendingFrames--;
    234             return OK;
    235         }
    236 
    237     private:
    238         Mutex mMutex;
    239         Condition mCondition;
    240         int mPendingFrames;
    241     };
    242 
    243     void CreateStream() {
    244         sp<CameraDeviceBase> device = mDevice;
    245         CameraStreamParams p = mParam;
    246 
    247         sp<IGraphicBufferProducer> producer;
    248         sp<IGraphicBufferConsumer> consumer;
    249         BufferQueue::createBufferQueue(&producer, &consumer);
    250         mCpuConsumer = new CpuConsumer(consumer, p.mHeapCount);
    251         mCpuConsumer->setName(String8("CameraStreamTest::mCpuConsumer"));
    252 
    253         mNativeWindow = new Surface(producer);
    254 
    255         int format = MapAutoFormat(p.mFormat);
    256 
    257         ASSERT_EQ(OK,
    258             device->createStream(mNativeWindow,
    259                 mWidth, mHeight, format,
    260                 &mStreamId));
    261 
    262         ASSERT_NE(-1, mStreamId);
    263 
    264         // do not make 'this' a FrameListener or the lifetime policy will clash
    265         mFrameListener = new FrameListener();
    266         mCpuConsumer->setFrameAvailableListener(mFrameListener);
    267     }
    268 
    269     void DeleteStream() {
    270         ASSERT_EQ(OK, mDevice->deleteStream(mStreamId));
    271     }
    272 
    273     int MapAutoFormat(int format) {
    274         if (format == CAMERA_STREAM_AUTO_CPU_FORMAT) {
    275             if (getDeviceVersion() >= CAMERA_DEVICE_API_VERSION_3_0) {
    276                 format = HAL_PIXEL_FORMAT_YCbCr_420_888;
    277             } else {
    278                 format = HAL_PIXEL_FORMAT_YCrCb_420_SP;
    279             }
    280         }
    281         return format;
    282     }
    283 
    284     void DumpYuvToFile(const String8 &fileName, const CpuConsumer::LockedBuffer &img) {
    285         uint8_t *dataCb, *dataCr;
    286         uint32_t stride;
    287         uint32_t chromaStride;
    288         uint32_t chromaStep;
    289 
    290         switch (img.format) {
    291             case HAL_PIXEL_FORMAT_YCbCr_420_888:
    292                 stride = img.stride;
    293                 chromaStride = img.chromaStride;
    294                 chromaStep = img.chromaStep;
    295                 dataCb = img.dataCb;
    296                 dataCr = img.dataCr;
    297                 break;
    298             case HAL_PIXEL_FORMAT_YCrCb_420_SP:
    299                 stride = img.width;
    300                 chromaStride = img.width;
    301                 chromaStep = 2;
    302                 dataCr = img.data + img.width * img.height;
    303                 dataCb = dataCr + 1;
    304                 break;
    305             case HAL_PIXEL_FORMAT_YV12:
    306                 stride = img.stride;
    307                 chromaStride = ALIGN(img.width / 2, 16);
    308                 chromaStep = 1;
    309                 dataCr = img.data + img.stride * img.height;
    310                 dataCb = dataCr + chromaStride * img.height/2;
    311                 break;
    312             default:
    313                 ALOGE("Unknown format %d, not dumping", img.format);
    314                 return;
    315         }
    316 
    317         // Write Y
    318         FILE *yuvFile = fopen(fileName.string(), "w");
    319 
    320         size_t bytes;
    321 
    322         for (size_t y = 0; y < img.height; ++y) {
    323             bytes = fwrite(
    324                 reinterpret_cast<const char*>(img.data + stride * y),
    325                 1, img.width, yuvFile);
    326             if (bytes != img.width) {
    327                 ALOGE("Unable to write to file %s", fileName.string());
    328                 fclose(yuvFile);
    329                 return;
    330             }
    331         }
    332 
    333         // Write Cb/Cr
    334         uint8_t *src = dataCb;
    335         for (int c = 0; c < 2; ++c) {
    336             for (size_t y = 0; y < img.height / 2; ++y) {
    337                 uint8_t *px = src + y * chromaStride;
    338                 if (chromaStep != 1) {
    339                     for (size_t x = 0; x < img.width / 2; ++x) {
    340                         fputc(*px, yuvFile);
    341                         px += chromaStep;
    342                     }
    343                 } else {
    344                     bytes = fwrite(reinterpret_cast<const char*>(px),
    345                             1, img.width / 2, yuvFile);
    346                     if (bytes != img.width / 2) {
    347                         ALOGE("Unable to write to file %s", fileName.string());
    348                         fclose(yuvFile);
    349                         return;
    350                     }
    351                 }
    352             }
    353             src = dataCr;
    354         }
    355         fclose(yuvFile);
    356     }
    357 
    358     int mWidth;
    359     int mHeight;
    360 
    361     int mStreamId;
    362 
    363     android::sp<FrameListener>       mFrameListener;
    364     android::sp<CpuConsumer>         mCpuConsumer;
    365     android::sp<ANativeWindow>       mNativeWindow;
    366     KeyedVector<int32_t, Vector<int32_t>* > mOutputResolutions;
    367 
    368 private:
    369     CameraStreamParams mParam;
    370 };
    371 
    372 }
    373 }
    374 }
    375 
    376 #endif
    377