Move Codec2-related code from hardware/google/av

Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/tests/vndk/C2BufferTest.cpp b/media/codec2/tests/vndk/C2BufferTest.cpp
new file mode 100644
index 0000000..780994a
--- /dev/null
+++ b/media/codec2/tests/vndk/C2BufferTest.cpp
@@ -0,0 +1,768 @@
+/*
+ * Copyright 2017 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.
+ */
+
+#include <gtest/gtest.h>
+
+#include <C2AllocatorIon.h>
+#include <C2AllocatorGralloc.h>
+#include <C2Buffer.h>
+#include <C2BufferPriv.h>
+#include <C2ParamDef.h>
+
+#include <system/graphics.h>
+
+namespace android {
+
+class C2BufferUtilsTest : public ::testing::Test {
+    static void StaticSegmentTest() {
+        // constructor
+        static_assert(C2Segment(123u, 456u).offset == 123, "");
+        static_assert(C2Segment(123u, 456u).size == 456, "");
+
+        // empty
+        static_assert(!C2Segment(123u, 456u).isEmpty(), "");
+        static_assert(C2Segment(123u, 0u).isEmpty(), "");
+
+        // valid
+        static_assert(C2Segment(123u, 456u).isValid(), "");
+        static_assert(C2Segment(123u, ~123u).isValid(), "");
+        static_assert(!C2Segment(123u, 1 + ~123u).isValid(), "");
+
+        // bool()
+        static_assert(C2Segment(123u, 456u), "");
+        static_assert((bool)C2Segment(123u, ~123u), "");
+        static_assert(!bool(C2Segment(123u, 1 + ~123u)), "");
+        static_assert(!bool(C2Segment(123u, 0)), "");
+
+        // !
+        static_assert(!!C2Segment(123u, 456u), "");
+        static_assert(!!C2Segment(123u, ~123u), "");
+        static_assert(!C2Segment(123u, 1 + ~123u), "");
+        static_assert(!C2Segment(123u, 0), "");
+
+        // contains
+        static_assert(C2Segment(123u, ~123u).contains(C2Segment(123u, 0)), "");
+        static_assert(!C2Segment(123u, 1 + ~123u).contains(C2Segment(123u, 0)), "");
+        static_assert(C2Segment(123u, ~123u).contains(C2Segment(123u, ~123u)), "");
+        static_assert(!C2Segment(123u, ~123u).contains(C2Segment(123u, 1 + ~123u)), "");
+        static_assert(!C2Segment(123u, 1 + ~123u).contains(C2Segment(123u, 1 + ~123u)), "");
+        static_assert(!C2Segment(123u, ~123u).contains(C2Segment(122u, 2u)), "");
+        static_assert(C2Segment(123u, ~123u).contains(C2Segment(123u, 2u)), "");
+        static_assert(C2Segment(123u, 3u).contains(C2Segment(124u, 2u)), "");
+        static_assert(!C2Segment(123u, 3u).contains(C2Segment(125u, 2u)), "");
+
+        // ==
+        static_assert(C2Segment(123u, 456u) == C2Segment(123u, 456u), "");
+        static_assert(!(C2Segment(123u, 456u) == C2Segment(123u, 457u)), "");
+        static_assert(!(C2Segment(123u, 456u) == C2Segment(123u, 455u)), "");
+        static_assert(!(C2Segment(123u, 456u) == C2Segment(122u, 456u)), "");
+        static_assert(!(C2Segment(123u, 456u) == C2Segment(124u, 456u)), "");
+        static_assert(!(C2Segment(123u, 0u) == C2Segment(124u, 0u)), "");
+        static_assert(C2Segment(123u, 0u) == C2Segment(123u, 0u), "");
+        static_assert(C2Segment(123u, 1 + ~123u) == C2Segment(124u, 1 + ~124u), "");
+
+        // !=
+        static_assert(!(C2Segment(123u, 456u) != C2Segment(123u, 456u)), "");
+        static_assert(C2Segment(123u, 456u) != C2Segment(123u, 457u), "");
+        static_assert(C2Segment(123u, 456u) != C2Segment(123u, 455u), "");
+        static_assert(C2Segment(123u, 456u) != C2Segment(122u, 456u), "");
+        static_assert(C2Segment(123u, 456u) != C2Segment(124u, 456u), "");
+        static_assert(C2Segment(123u, 0u) != C2Segment(124u, 0u), "");
+        static_assert(!(C2Segment(123u, 0u) != C2Segment(123u, 0u)), "");
+        static_assert(!(C2Segment(123u, 1 + ~123u) != C2Segment(124u, 1 + ~124u)), "");
+
+        // <=
+        static_assert(C2Segment(123u, 456u) <= C2Segment(123u, 456u), "");
+        static_assert(C2Segment(123u, 456u) <= C2Segment(123u, 457u), "");
+        static_assert(C2Segment(123u, 456u) <= C2Segment(122u, 457u), "");
+        static_assert(!(C2Segment(123u, 457u) <= C2Segment(123u, 456u)), "");
+        static_assert(!(C2Segment(122u, 457u) <= C2Segment(123u, 456u)), "");
+        static_assert(!(C2Segment(123u, 457u) <= C2Segment(124u, 457u)), "");
+        static_assert(!(C2Segment(122u, 457u) <= C2Segment(123u, 457u)), "");
+        static_assert(!(C2Segment(122u, 0u) <= C2Segment(123u, 0u)), "");
+        static_assert(C2Segment(123u, 0u) <= C2Segment(122u, 1u), "");
+        static_assert(C2Segment(122u, 0u) <= C2Segment(122u, 1u), "");
+        static_assert(!(C2Segment(122u, ~122u) <= C2Segment(122u, 1 + ~122u)), "");
+        static_assert(!(C2Segment(122u, 1 + ~122u) <= C2Segment(122u, ~122u)), "");
+        static_assert(!(C2Segment(122u, 1 + ~122u) <= C2Segment(122u, 1 + ~122u)), "");
+
+        // <
+        static_assert(!(C2Segment(123u, 456u) < C2Segment(123u, 456u)), "");
+        static_assert(C2Segment(123u, 456u) < C2Segment(123u, 457u), "");
+        static_assert(C2Segment(123u, 456u) < C2Segment(122u, 457u), "");
+        static_assert(!(C2Segment(123u, 457u) < C2Segment(123u, 456u)), "");
+        static_assert(!(C2Segment(122u, 457u) < C2Segment(123u, 456u)), "");
+        static_assert(!(C2Segment(123u, 457u) < C2Segment(124u, 457u)), "");
+        static_assert(!(C2Segment(122u, 457u) < C2Segment(123u, 457u)), "");
+        static_assert(!(C2Segment(122u, 0u) < C2Segment(123u, 0u)), "");
+        static_assert(C2Segment(123u, 0u) < C2Segment(122u, 1u), "");
+        static_assert(C2Segment(122u, 0u) < C2Segment(122u, 1u), "");
+        static_assert(!(C2Segment(122u, ~122u) < C2Segment(122u, 1 + ~122u)), "");
+        static_assert(!(C2Segment(122u, 1 + ~122u) < C2Segment(122u, ~122u)), "");
+        static_assert(!(C2Segment(122u, 1 + ~122u) < C2Segment(122u, 1 + ~122u)), "");
+
+        // <=
+        static_assert(C2Segment(123u, 456u) >= C2Segment(123u, 456u), "");
+        static_assert(C2Segment(123u, 457u) >= C2Segment(123u, 456u), "");
+        static_assert(C2Segment(122u, 457u) >= C2Segment(123u, 456u), "");
+        static_assert(!(C2Segment(123u, 456u) >= C2Segment(123u, 457u)), "");
+        static_assert(!(C2Segment(123u, 456u) >= C2Segment(122u, 457u)), "");
+        static_assert(!(C2Segment(124u, 457u) >= C2Segment(123u, 457u)), "");
+        static_assert(!(C2Segment(123u, 457u) >= C2Segment(122u, 457u)), "");
+        static_assert(!(C2Segment(123u, 0u) >= C2Segment(122u, 0u)), "");
+        static_assert(C2Segment(122u, 1u) >= C2Segment(123u, 0u), "");
+        static_assert(C2Segment(122u, 1u) >= C2Segment(122u, 0u), "");
+        static_assert(!(C2Segment(122u, 1 + ~122u) >= C2Segment(122u, ~122u)), "");
+        static_assert(!(C2Segment(122u, ~122u) >= C2Segment(122u, 1 + ~122u)), "");
+        static_assert(!(C2Segment(122u, 1 + ~122u) >= C2Segment(122u, 1 + ~122u)), "");
+
+        // <
+        static_assert(!(C2Segment(123u, 456u) > C2Segment(123u, 456u)), "");
+        static_assert(C2Segment(123u, 457u) > C2Segment(123u, 456u), "");
+        static_assert(C2Segment(122u, 457u) > C2Segment(123u, 456u), "");
+        static_assert(!(C2Segment(123u, 456u) > C2Segment(123u, 457u)), "");
+        static_assert(!(C2Segment(123u, 456u) > C2Segment(122u, 457u)), "");
+        static_assert(!(C2Segment(124u, 457u) > C2Segment(123u, 457u)), "");
+        static_assert(!(C2Segment(123u, 457u) > C2Segment(122u, 457u)), "");
+        static_assert(!(C2Segment(123u, 0u) > C2Segment(122u, 0u)), "");
+        static_assert(C2Segment(122u, 1u) > C2Segment(123u, 0u), "");
+        static_assert(C2Segment(122u, 1u) > C2Segment(122u, 0u), "");
+        static_assert(!(C2Segment(122u, 1 + ~122u) > C2Segment(122u, ~122u)), "");
+        static_assert(!(C2Segment(122u, ~122u) > C2Segment(122u, 1 + ~122u)), "");
+        static_assert(!(C2Segment(122u, 1 + ~122u) > C2Segment(122u, 1 + ~122u)), "");
+
+        // end
+        static_assert(C2Segment(123u, 456u).end() == 579u, "");
+        static_assert(C2Segment(123u, 0u).end() == 123u, "");
+        static_assert(C2Segment(123u, ~123u).end() == 0xffffffffu, "");
+        static_assert(C2Segment(123u, 1 + ~123u).end() == 0u, "");
+
+        // intersect
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(123u, 456u)) == C2Segment(123u, 456u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(123u, 460u)) == C2Segment(123u, 456u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(124u, 460u)) == C2Segment(124u, 455u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(579u, 460u)) == C2Segment(579u, 0u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(589u, 460u)) == C2Segment(589u, ~9u /* -10 */), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(123u, 455u)) == C2Segment(123u, 455u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(122u, 456u)) == C2Segment(123u, 455u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(0u, 123u)) == C2Segment(123u, 0u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(0u, 0u)) == C2Segment(123u, ~122u /* -123 */), "");
+
+        // normalize (change invalid segments to empty segments)
+        static_assert(C2Segment(123u, 456u).normalize() == C2Segment(123u, 456u), "");
+        static_assert(C2Segment(123u, ~123u).normalize() == C2Segment(123u, ~123u), "");
+        static_assert(C2Segment(123u, 1 + ~123u).normalize() == C2Segment(123u, 0u), "");
+
+        // note: normalize cannot be used to make this work
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(150u, ~150u)).normalize() == C2Segment(150u, 429u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(150u, 1 + ~150u)).normalize() != C2Segment(150u, 429u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(150u, 1 + ~150u)).normalize() == C2Segment(150u, 0u), "");
+
+        // saturate (change invalid segments to full segments up to max)
+        static_assert(C2Segment(123u, 456u).saturate() == C2Segment(123u, 456u), "");
+        static_assert(C2Segment(123u, ~123u).saturate() == C2Segment(123u, ~123u), "");
+        static_assert(C2Segment(123u, 1 + ~123u).saturate() == C2Segment(123u, ~123u), "");
+
+        // note: saturate can be used to make this work but only partially
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(150u, 1 + ~150u).saturate()).normalize() == C2Segment(150u, 429u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(0u, 100u).saturate()).normalize() == C2Segment(123u, 0u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(1000u, 100u).saturate()).normalize() != C2Segment(579u, 0u), "");
+        static_assert(C2Segment(123u, 456u).intersect(C2Segment(1000u, 100u).saturate()).normalize() == C2Segment(1000u, 0u), "");
+
+    }
+
+    static void StaticLinearRangeAndCapacityTest() {
+        class TestCapacity : public _C2LinearCapacityAspect {
+            using _C2LinearCapacityAspect::_C2LinearCapacityAspect;
+            friend class C2BufferUtilsTest;
+        };
+
+        class TestRange : public _C2LinearRangeAspect {
+            using _C2LinearRangeAspect::_C2LinearRangeAspect;
+            friend class C2BufferUtilsTest;
+        };
+
+        // _C2LinearCapacityAspect
+        static_assert(TestCapacity(0u).capacity() == 0u, "");
+        constexpr TestCapacity cap(123u);
+        static_assert(TestCapacity(&cap).capacity() == 123u, "");
+        static_assert(TestCapacity(nullptr).capacity() == 0u, "");
+
+        // _C2LinearCapacityRange
+        static_assert(TestRange(&cap).capacity() == 123u, "");
+        static_assert(TestRange(&cap).offset() == 0u, "");
+        static_assert(TestRange(&cap).size() == 123u, "");
+        static_assert(TestRange(&cap).endOffset() == 123u, "");
+
+        constexpr TestRange range(&cap, 50u, 100u);
+
+        static_assert(range.capacity() == 123u, "");
+        static_assert(range.offset() == 50u, "");
+        static_assert(range.size() == 73u, "");
+        static_assert(range.endOffset() == 123u, "");
+
+        static_assert(TestRange(&cap, 20u, 30u).capacity() == 123u, "");
+        static_assert(TestRange(&cap, 20u, 30u).offset() == 20u, "");
+        static_assert(TestRange(&cap, 20u, 30u).size() == 30u, "");
+        static_assert(TestRange(&cap, 20u, 30u).endOffset() == 50u, "");
+
+        static_assert(TestRange(&cap, 200u, 30u).capacity() == 123u, "");
+        static_assert(TestRange(&cap, 200u, 30u).offset() == 123u, "");
+        static_assert(TestRange(&cap, 200u, 30u).size() == 0u, "");
+        static_assert(TestRange(&cap, 200u, 30u).endOffset() == 123u, "");
+
+    }
+
+};
+
+
+class C2BufferTest : public ::testing::Test {
+public:
+    C2BufferTest()
+        : mBlockPoolId(C2BlockPool::PLATFORM_START),
+          mLinearAllocator(std::make_shared<C2AllocatorIon>('i')),
+          mSize(0u),
+          mAddr(nullptr),
+          mGraphicAllocator(std::make_shared<C2AllocatorGralloc>('g')) {
+    }
+
+    ~C2BufferTest() = default;
+
+    void allocateLinear(size_t capacity) {
+        c2_status_t err = mLinearAllocator->newLinearAllocation(
+                capacity,
+                { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+                &mLinearAllocation);
+        if (err != C2_OK) {
+            mLinearAllocation.reset();
+            FAIL() << "C2Allocator::newLinearAllocation() failed: " << err;
+        }
+    }
+
+    void mapLinear(size_t offset, size_t size, uint8_t **addr) {
+        ASSERT_TRUE(mLinearAllocation);
+        c2_status_t err = mLinearAllocation->map(
+                offset,
+                size,
+                { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+                // TODO: fence
+                nullptr,
+                &mAddr);
+        if (err != C2_OK) {
+            mAddr = nullptr;
+            FAIL() << "C2LinearAllocation::map() failed: " << err;
+        }
+        ASSERT_NE(nullptr, mAddr);
+        mSize = size;
+        *addr = (uint8_t *)mAddr;
+    }
+
+    void unmapLinear() {
+        ASSERT_TRUE(mLinearAllocation);
+        ASSERT_NE(nullptr, mAddr);
+        ASSERT_NE(0u, mSize);
+
+        // TODO: fence
+        ASSERT_EQ(C2_OK, mLinearAllocation->unmap(mAddr, mSize, nullptr));
+        mSize = 0u;
+        mAddr = nullptr;
+    }
+
+    std::shared_ptr<C2BlockPool> makeLinearBlockPool() {
+        return std::make_shared<C2PooledBlockPool>(mLinearAllocator, mBlockPoolId++);
+    }
+
+    void allocateGraphic(uint32_t width, uint32_t height) {
+        c2_status_t err = mGraphicAllocator->newGraphicAllocation(
+                width,
+                height,
+                HAL_PIXEL_FORMAT_YCBCR_420_888,
+                { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+                &mGraphicAllocation);
+        if (err != C2_OK) {
+            mGraphicAllocation.reset();
+            FAIL() << "C2Allocator::newGraphicAllocation() failed: " << err;
+        }
+    }
+
+    void mapGraphic(C2Rect rect, C2PlanarLayout *layout, uint8_t **addr) {
+        ASSERT_TRUE(mGraphicAllocation);
+        c2_status_t err = mGraphicAllocation->map(
+                rect,
+                { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+                // TODO: fence
+                nullptr,
+                layout,
+                addr);
+        if (err != C2_OK) {
+            addr[C2PlanarLayout::PLANE_Y] = nullptr;
+            addr[C2PlanarLayout::PLANE_U] = nullptr;
+            addr[C2PlanarLayout::PLANE_V] = nullptr;
+            FAIL() << "C2GraphicAllocation::map() failed: " << err;
+        }
+        mMappedRect = rect;
+        memcpy(mAddrGraphic, addr, sizeof(uint8_t*) * C2PlanarLayout::MAX_NUM_PLANES);
+    }
+
+    void unmapGraphic() {
+        ASSERT_TRUE(mGraphicAllocation);
+
+        // TODO: fence
+        ASSERT_EQ(C2_OK, mGraphicAllocation->unmap(mAddrGraphic, mMappedRect, nullptr));
+    }
+
+    std::shared_ptr<C2BlockPool> makeGraphicBlockPool() {
+        return std::make_shared<C2BasicGraphicBlockPool>(mGraphicAllocator);
+    }
+
+private:
+    C2BlockPool::local_id_t mBlockPoolId;
+    std::shared_ptr<C2Allocator> mLinearAllocator;
+    std::shared_ptr<C2LinearAllocation> mLinearAllocation;
+    size_t mSize;
+    void *mAddr;
+    C2Rect mMappedRect;
+    uint8_t* mAddrGraphic[C2PlanarLayout::MAX_NUM_PLANES];
+
+    std::shared_ptr<C2Allocator> mGraphicAllocator;
+    std::shared_ptr<C2GraphicAllocation> mGraphicAllocation;
+};
+
+TEST_F(C2BufferTest, LinearAllocationTest) {
+    constexpr size_t kCapacity = 1024u * 1024u;
+
+    allocateLinear(kCapacity);
+
+    uint8_t *addr = nullptr;
+    mapLinear(0u, kCapacity, &addr);
+    ASSERT_NE(nullptr, addr);
+
+    for (size_t i = 0; i < kCapacity; ++i) {
+        addr[i] = i % 100u;
+    }
+
+    unmapLinear();
+    addr = nullptr;
+
+    mapLinear(kCapacity / 3, kCapacity / 3, &addr);
+    ASSERT_NE(nullptr, addr);
+    for (size_t i = 0; i < kCapacity / 3; ++i) {
+        ASSERT_EQ((i + kCapacity / 3) % 100, addr[i]) << " at i = " << i;
+    }
+}
+
+TEST_F(C2BufferTest, BlockPoolTest) {
+    constexpr size_t kCapacity = 1024u * 1024u;
+
+    std::shared_ptr<C2BlockPool> blockPool(makeLinearBlockPool());
+
+    std::shared_ptr<C2LinearBlock> block;
+    ASSERT_EQ(C2_OK, blockPool->fetchLinearBlock(
+            kCapacity,
+            { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+            &block));
+    ASSERT_TRUE(block);
+
+    C2Acquirable<C2WriteView> writeViewHolder = block->map();
+    C2WriteView writeView = writeViewHolder.get();
+    ASSERT_EQ(C2_OK, writeView.error());
+    ASSERT_EQ(kCapacity, writeView.capacity());
+    ASSERT_EQ(0u, writeView.offset());
+    ASSERT_EQ(kCapacity, writeView.size());
+
+    uint8_t *data = writeView.data();
+    ASSERT_NE(nullptr, data);
+    for (size_t i = 0; i < writeView.size(); ++i) {
+        data[i] = i % 100u;
+    }
+
+    writeView.setOffset(kCapacity / 3);
+    data = writeView.data();
+    ASSERT_NE(nullptr, data);
+    for (size_t i = 0; i < writeView.size(); ++i) {
+        ASSERT_EQ((i + kCapacity / 3) % 100u, data[i]) << " at i = " << i
+            << "; data = " << static_cast<void *>(data);
+    }
+
+    C2Fence fence;
+    C2ConstLinearBlock constBlock = block->share(
+            kCapacity / 3, kCapacity / 3, fence);
+
+    C2Acquirable<C2ReadView> readViewHolder = constBlock.map();
+    C2ReadView readView = readViewHolder.get();
+    ASSERT_EQ(C2_OK, readView.error());
+    ASSERT_EQ(kCapacity / 3, readView.capacity());
+
+    // TODO: fence
+    const uint8_t *constData = readView.data();
+    ASSERT_NE(nullptr, constData);
+    for (size_t i = 0; i < readView.capacity(); ++i) {
+        ASSERT_EQ((i + kCapacity / 3) % 100u, constData[i]) << " at i = " << i
+                << "; data = " << static_cast<void *>(data)
+                << "; constData = " << static_cast<const void *>(constData);
+    }
+
+    readView = readView.subView(333u, 100u);
+    ASSERT_EQ(C2_OK, readView.error());
+    ASSERT_EQ(100u, readView.capacity());
+
+    constData = readView.data();
+    ASSERT_NE(nullptr, constData);
+    for (size_t i = 0; i < readView.capacity(); ++i) {
+        ASSERT_EQ((i + 333u + kCapacity / 3) % 100u, constData[i]) << " at i = " << i;
+    }
+}
+
+void fillPlane(const C2Rect rect, const C2PlaneInfo info, uint8_t *addr, uint8_t value) {
+    for (uint32_t row = 0; row < rect.height / info.rowSampling; ++row) {
+        int32_t rowOffset = (row + rect.top / info.rowSampling) * info.rowInc;
+        for (uint32_t col = 0; col < rect.width / info.colSampling; ++col) {
+            int32_t colOffset = (col + rect.left / info.colSampling) * info.colInc;
+            addr[rowOffset + colOffset] = value;
+        }
+    }
+}
+
+bool verifyPlane(const C2Rect rect, const C2PlaneInfo info, const uint8_t *addr, uint8_t value) {
+    for (uint32_t row = 0; row < rect.height / info.rowSampling; ++row) {
+        int32_t rowOffset = (row + rect.top / info.rowSampling) * info.rowInc;
+        for (uint32_t col = 0; col < rect.width / info.colSampling; ++col) {
+            int32_t colOffset = (col + rect.left / info.colSampling) * info.colInc;
+            if (addr[rowOffset + colOffset] != value) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+TEST_F(C2BufferTest, GraphicAllocationTest) {
+    constexpr uint32_t kWidth = 320;
+    constexpr uint32_t kHeight = 240;
+
+    allocateGraphic(kWidth, kHeight);
+
+    uint8_t *addr[C2PlanarLayout::MAX_NUM_PLANES];
+    C2Rect rect(kWidth, kHeight);
+    C2PlanarLayout layout;
+    mapGraphic(rect, &layout, addr);
+    ASSERT_NE(nullptr, addr[C2PlanarLayout::PLANE_Y]);
+    ASSERT_NE(nullptr, addr[C2PlanarLayout::PLANE_U]);
+    ASSERT_NE(nullptr, addr[C2PlanarLayout::PLANE_V]);
+
+    uint8_t *y = addr[C2PlanarLayout::PLANE_Y];
+    C2PlaneInfo yInfo = layout.planes[C2PlanarLayout::PLANE_Y];
+    uint8_t *u = addr[C2PlanarLayout::PLANE_U];
+    C2PlaneInfo uInfo = layout.planes[C2PlanarLayout::PLANE_U];
+    uint8_t *v = addr[C2PlanarLayout::PLANE_V];
+    C2PlaneInfo vInfo = layout.planes[C2PlanarLayout::PLANE_V];
+
+    fillPlane(rect, yInfo, y, 0);
+    fillPlane(rect, uInfo, u, 0);
+    fillPlane(rect, vInfo, v, 0);
+    fillPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), yInfo, y, 0x12);
+    fillPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), uInfo, u, 0x34);
+    fillPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), vInfo, v, 0x56);
+
+    unmapGraphic();
+
+    mapGraphic(rect, &layout, addr);
+    ASSERT_NE(nullptr, addr[C2PlanarLayout::PLANE_Y]);
+    ASSERT_NE(nullptr, addr[C2PlanarLayout::PLANE_U]);
+    ASSERT_NE(nullptr, addr[C2PlanarLayout::PLANE_V]);
+
+    y = addr[C2PlanarLayout::PLANE_Y];
+    yInfo = layout.planes[C2PlanarLayout::PLANE_Y];
+    u = addr[C2PlanarLayout::PLANE_U];
+    uInfo = layout.planes[C2PlanarLayout::PLANE_U];
+    v = addr[C2PlanarLayout::PLANE_V];
+    vInfo = layout.planes[C2PlanarLayout::PLANE_V];
+
+    ASSERT_TRUE(verifyPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), yInfo, y, 0x12));
+    ASSERT_TRUE(verifyPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), uInfo, u, 0x34));
+    ASSERT_TRUE(verifyPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), vInfo, v, 0x56));
+    ASSERT_TRUE(verifyPlane({ kWidth, kHeight / 4 }, yInfo, y, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth, kHeight / 4 }, uInfo, u, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth, kHeight / 4 }, vInfo, v, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth / 4, kHeight }, yInfo, y, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth / 4, kHeight }, uInfo, u, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth / 4, kHeight }, vInfo, v, 0));
+}
+
+TEST_F(C2BufferTest, GraphicBlockPoolTest) {
+    constexpr uint32_t kWidth = 320;
+    constexpr uint32_t kHeight = 240;
+
+    std::shared_ptr<C2BlockPool> blockPool(makeGraphicBlockPool());
+
+    std::shared_ptr<C2GraphicBlock> block;
+    ASSERT_EQ(C2_OK, blockPool->fetchGraphicBlock(
+            kWidth,
+            kHeight,
+            HAL_PIXEL_FORMAT_YCBCR_420_888,
+            { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+            &block));
+    ASSERT_TRUE(block);
+
+    C2Acquirable<C2GraphicView> graphicViewHolder = block->map();
+    C2GraphicView graphicView = graphicViewHolder.get();
+    ASSERT_EQ(C2_OK, graphicView.error());
+    ASSERT_EQ(kWidth, graphicView.width());
+    ASSERT_EQ(kHeight, graphicView.height());
+
+    uint8_t *const *data = graphicView.data();
+    C2PlanarLayout layout = graphicView.layout();
+    ASSERT_NE(nullptr, data);
+
+    uint8_t *y = data[C2PlanarLayout::PLANE_Y];
+    C2PlaneInfo yInfo = layout.planes[C2PlanarLayout::PLANE_Y];
+    uint8_t *u = data[C2PlanarLayout::PLANE_U];
+    C2PlaneInfo uInfo = layout.planes[C2PlanarLayout::PLANE_U];
+    uint8_t *v = data[C2PlanarLayout::PLANE_V];
+    C2PlaneInfo vInfo = layout.planes[C2PlanarLayout::PLANE_V];
+
+    fillPlane({ kWidth, kHeight }, yInfo, y, 0);
+    fillPlane({ kWidth, kHeight }, uInfo, u, 0);
+    fillPlane({ kWidth, kHeight }, vInfo, v, 0);
+    fillPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), yInfo, y, 0x12);
+    fillPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), uInfo, u, 0x34);
+    fillPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), vInfo, v, 0x56);
+
+    C2Fence fence;
+    C2ConstGraphicBlock constBlock = block->share(C2Rect(kWidth, kHeight), fence);
+    block.reset();
+
+    C2Acquirable<const C2GraphicView> constViewHolder = constBlock.map();
+    const C2GraphicView constGraphicView = constViewHolder.get();
+    ASSERT_EQ(C2_OK, constGraphicView.error());
+    ASSERT_EQ(kWidth, constGraphicView.width());
+    ASSERT_EQ(kHeight, constGraphicView.height());
+
+    const uint8_t *const *constData = constGraphicView.data();
+    layout = graphicView.layout();
+    ASSERT_NE(nullptr, constData);
+
+    const uint8_t *cy = constData[C2PlanarLayout::PLANE_Y];
+    yInfo = layout.planes[C2PlanarLayout::PLANE_Y];
+    const uint8_t *cu = constData[C2PlanarLayout::PLANE_U];
+    uInfo = layout.planes[C2PlanarLayout::PLANE_U];
+    const uint8_t *cv = constData[C2PlanarLayout::PLANE_V];
+    vInfo = layout.planes[C2PlanarLayout::PLANE_V];
+
+    ASSERT_TRUE(verifyPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), yInfo, cy, 0x12));
+    ASSERT_TRUE(verifyPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), uInfo, cu, 0x34));
+    ASSERT_TRUE(verifyPlane(C2Rect(kWidth / 2, kHeight / 2).at(kWidth / 4, kHeight / 4), vInfo, cv, 0x56));
+    ASSERT_TRUE(verifyPlane({ kWidth, kHeight / 4 }, yInfo, cy, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth, kHeight / 4 }, uInfo, cu, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth, kHeight / 4 }, vInfo, cv, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth / 4, kHeight }, yInfo, cy, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth / 4, kHeight }, uInfo, cu, 0));
+    ASSERT_TRUE(verifyPlane({ kWidth / 4, kHeight }, vInfo, cv, 0));
+}
+
+class BufferData : public C2BufferData {
+public:
+    explicit BufferData(const std::vector<C2ConstLinearBlock> &blocks) : C2BufferData(blocks) {}
+    explicit BufferData(const std::vector<C2ConstGraphicBlock> &blocks) : C2BufferData(blocks) {}
+};
+
+class Buffer : public C2Buffer {
+public:
+    explicit Buffer(const std::vector<C2ConstLinearBlock> &blocks) : C2Buffer(blocks) {}
+    explicit Buffer(const std::vector<C2ConstGraphicBlock> &blocks) : C2Buffer(blocks) {}
+};
+
+TEST_F(C2BufferTest, BufferDataTest) {
+    std::shared_ptr<C2BlockPool> linearBlockPool(makeLinearBlockPool());
+    std::shared_ptr<C2BlockPool> graphicBlockPool(makeGraphicBlockPool());
+
+    constexpr uint32_t kWidth1 = 320;
+    constexpr uint32_t kHeight1 = 240;
+    constexpr C2Rect kCrop1(kWidth1, kHeight1);
+    constexpr uint32_t kWidth2 = 176;
+    constexpr uint32_t kHeight2 = 144;
+    constexpr C2Rect kCrop2(kWidth2, kHeight2);
+    constexpr size_t kCapacity1 = 1024u;
+    constexpr size_t kCapacity2 = 2048u;
+
+    std::shared_ptr<C2LinearBlock> linearBlock1;
+    std::shared_ptr<C2LinearBlock> linearBlock2;
+    ASSERT_EQ(C2_OK, linearBlockPool->fetchLinearBlock(
+            kCapacity1,
+            { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+            &linearBlock1));
+    ASSERT_EQ(C2_OK, linearBlockPool->fetchLinearBlock(
+            kCapacity2,
+            { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+            &linearBlock2));
+    std::shared_ptr<C2GraphicBlock> graphicBlock1;
+    std::shared_ptr<C2GraphicBlock> graphicBlock2;
+    ASSERT_EQ(C2_OK, graphicBlockPool->fetchGraphicBlock(
+            kWidth1,
+            kHeight1,
+            HAL_PIXEL_FORMAT_YCBCR_420_888,
+            { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+            &graphicBlock1));
+    ASSERT_EQ(C2_OK, graphicBlockPool->fetchGraphicBlock(
+            kWidth2,
+            kHeight2,
+            HAL_PIXEL_FORMAT_YCBCR_420_888,
+            { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+            &graphicBlock2));
+
+    std::shared_ptr<C2BufferData> data(new BufferData({ linearBlock1->share(0, kCapacity1, C2Fence()) }));
+    EXPECT_EQ(C2BufferData::LINEAR, data->type());
+    ASSERT_EQ(1u, data->linearBlocks().size());
+    EXPECT_EQ(linearBlock1->handle(), data->linearBlocks().front().handle());
+    EXPECT_TRUE(data->graphicBlocks().empty());
+
+    data.reset(new BufferData({
+        linearBlock1->share(0, kCapacity1, C2Fence()),
+        linearBlock2->share(0, kCapacity2, C2Fence()),
+    }));
+    EXPECT_EQ(C2BufferData::LINEAR_CHUNKS, data->type());
+    ASSERT_EQ(2u, data->linearBlocks().size());
+    EXPECT_EQ(linearBlock1->handle(), data->linearBlocks().front().handle());
+    EXPECT_EQ(linearBlock2->handle(), data->linearBlocks().back().handle());
+    EXPECT_TRUE(data->graphicBlocks().empty());
+
+    data.reset(new BufferData({ graphicBlock1->share(kCrop1, C2Fence()) }));
+    EXPECT_EQ(C2BufferData::GRAPHIC, data->type());
+    ASSERT_EQ(1u, data->graphicBlocks().size());
+    EXPECT_EQ(graphicBlock1->handle(), data->graphicBlocks().front().handle());
+    EXPECT_TRUE(data->linearBlocks().empty());
+
+    data.reset(new BufferData({
+        graphicBlock1->share(kCrop1, C2Fence()),
+        graphicBlock2->share(kCrop2, C2Fence()),
+    }));
+    EXPECT_EQ(C2BufferData::GRAPHIC_CHUNKS, data->type());
+    ASSERT_EQ(2u, data->graphicBlocks().size());
+    EXPECT_EQ(graphicBlock1->handle(), data->graphicBlocks().front().handle());
+    EXPECT_EQ(graphicBlock2->handle(), data->graphicBlocks().back().handle());
+    EXPECT_TRUE(data->linearBlocks().empty());
+}
+
+void DestroyCallback(const C2Buffer * /* buf */, void *arg) {
+    std::function<void(void)> *cb = (std::function<void(void)> *)arg;
+    (*cb)();
+}
+
+enum : uint32_t {
+    kParamIndexNumber1,
+    kParamIndexNumber2,
+};
+
+typedef C2GlobalParam<C2Info, C2Int32Value, kParamIndexNumber1> C2Number1Info;
+typedef C2GlobalParam<C2Info, C2Int32Value, kParamIndexNumber2> C2Number2Info;
+
+TEST_F(C2BufferTest, BufferTest) {
+    std::shared_ptr<C2BlockPool> alloc(makeLinearBlockPool());
+    constexpr size_t kCapacity = 1024u;
+    std::shared_ptr<C2LinearBlock> block;
+
+    ASSERT_EQ(C2_OK, alloc->fetchLinearBlock(
+            kCapacity,
+            { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+            &block));
+
+    std::atomic_bool destroyed(false);
+    std::function<void(void)> arg = [&destroyed](){ destroyed = true; };
+
+    std::shared_ptr<C2Buffer> buffer(new Buffer( { block->share(0, kCapacity, C2Fence()) }));
+    ASSERT_EQ(C2_OK, buffer->registerOnDestroyNotify(&DestroyCallback, &arg));
+    EXPECT_FALSE(destroyed);
+    ASSERT_EQ(C2_DUPLICATE, buffer->registerOnDestroyNotify(&DestroyCallback, &arg));
+    buffer.reset();
+    EXPECT_TRUE(destroyed);
+
+    buffer.reset(new Buffer( { block->share(0, kCapacity, C2Fence()) }));
+    destroyed = false;
+    ASSERT_EQ(C2_OK, buffer->registerOnDestroyNotify(&DestroyCallback, &arg));
+    EXPECT_FALSE(destroyed);
+    ASSERT_EQ(C2_NOT_FOUND, buffer->unregisterOnDestroyNotify(&DestroyCallback, nullptr));
+    ASSERT_EQ(C2_OK, buffer->unregisterOnDestroyNotify(&DestroyCallback, &arg));
+    EXPECT_FALSE(destroyed);
+    ASSERT_EQ(C2_NOT_FOUND, buffer->unregisterOnDestroyNotify(&DestroyCallback, &arg));
+    buffer.reset();
+    EXPECT_FALSE(destroyed);
+
+    std::shared_ptr<C2Info> info1(new C2Number1Info(1));
+    std::shared_ptr<C2Info> info2(new C2Number2Info(2));
+    buffer.reset(new Buffer( { block->share(0, kCapacity, C2Fence()) }));
+    EXPECT_TRUE(buffer->info().empty());
+    EXPECT_FALSE(buffer->hasInfo(info1->type()));
+    EXPECT_FALSE(buffer->hasInfo(info2->type()));
+
+    ASSERT_EQ(C2_OK, buffer->setInfo(info1));
+    EXPECT_EQ(1u, buffer->info().size());
+    EXPECT_EQ(*info1, *buffer->info().front());
+    EXPECT_TRUE(buffer->hasInfo(info1->type()));
+    EXPECT_FALSE(buffer->hasInfo(info2->type()));
+
+    ASSERT_EQ(C2_OK, buffer->setInfo(info2));
+    EXPECT_EQ(2u, buffer->info().size());
+    EXPECT_TRUE(buffer->hasInfo(info1->type()));
+    EXPECT_TRUE(buffer->hasInfo(info2->type()));
+
+    std::shared_ptr<C2Info> removed = buffer->removeInfo(info1->type());
+    ASSERT_TRUE(removed);
+    EXPECT_EQ(*removed, *info1);
+    EXPECT_EQ(1u, buffer->info().size());
+    EXPECT_EQ(*info2, *buffer->info().front());
+    EXPECT_FALSE(buffer->hasInfo(info1->type()));
+    EXPECT_TRUE(buffer->hasInfo(info2->type()));
+
+    removed = buffer->removeInfo(info1->type());
+    ASSERT_FALSE(removed);
+    EXPECT_EQ(1u, buffer->info().size());
+    EXPECT_FALSE(buffer->hasInfo(info1->type()));
+    EXPECT_TRUE(buffer->hasInfo(info2->type()));
+
+    std::shared_ptr<C2Info> info3(new C2Number2Info(3));
+    ASSERT_EQ(C2_OK, buffer->setInfo(info3));
+    EXPECT_EQ(1u, buffer->info().size());
+    EXPECT_FALSE(buffer->hasInfo(info1->type()));
+    EXPECT_TRUE(buffer->hasInfo(info2->type()));
+
+    removed = buffer->removeInfo(info2->type());
+    ASSERT_TRUE(removed);
+    EXPECT_EQ(*info3, *removed);
+    EXPECT_TRUE(buffer->info().empty());
+    EXPECT_FALSE(buffer->hasInfo(info1->type()));
+    EXPECT_FALSE(buffer->hasInfo(info2->type()));
+}
+
+TEST_F(C2BufferTest, MultipleLinearMapTest) {
+    std::shared_ptr<C2BlockPool> pool(makeLinearBlockPool());
+    constexpr size_t kCapacity = 524288u;
+    for (int i = 0; i < 100; ++i) {
+        std::vector<C2WriteView> wViews;
+        std::vector<C2ReadView> rViews;
+        for (int j = 0; j < 16; ++j) {
+            std::shared_ptr<C2LinearBlock> block;
+            ASSERT_EQ(C2_OK, pool->fetchLinearBlock(
+                    kCapacity,
+                    { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE },
+                    &block));
+            wViews.push_back(block->map().get());
+            C2ConstLinearBlock cBlock = block->share(0, kCapacity / 2, C2Fence());
+            rViews.push_back(cBlock.map().get());
+        }
+    }
+}
+
+} // namespace android