| /* |
| * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include <string> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "webrtc/common_video/include/i420_buffer_pool.h" |
| |
| namespace webrtc { |
| |
| TEST(TestI420BufferPool, SimpleFrameReuse) { |
| I420BufferPool pool; |
| rtc::scoped_refptr<VideoFrameBuffer> buffer = pool.CreateBuffer(16, 16); |
| EXPECT_EQ(16, buffer->width()); |
| EXPECT_EQ(16, buffer->height()); |
| // Extract non-refcounted pointers for testing. |
| const uint8_t* y_ptr = buffer->DataY(); |
| const uint8_t* u_ptr = buffer->DataU(); |
| const uint8_t* v_ptr = buffer->DataV(); |
| // Release buffer so that it is returned to the pool. |
| buffer = nullptr; |
| // Check that the memory is resued. |
| buffer = pool.CreateBuffer(16, 16); |
| EXPECT_EQ(y_ptr, buffer->DataY()); |
| EXPECT_EQ(u_ptr, buffer->DataU()); |
| EXPECT_EQ(v_ptr, buffer->DataV()); |
| EXPECT_EQ(16, buffer->width()); |
| EXPECT_EQ(16, buffer->height()); |
| } |
| |
| TEST(TestI420BufferPool, FailToReuse) { |
| I420BufferPool pool; |
| rtc::scoped_refptr<VideoFrameBuffer> buffer = pool.CreateBuffer(16, 16); |
| // Extract non-refcounted pointers for testing. |
| const uint8_t* u_ptr = buffer->DataU(); |
| const uint8_t* v_ptr = buffer->DataV(); |
| // Release buffer so that it is returned to the pool. |
| buffer = nullptr; |
| // Check that the pool doesn't try to reuse buffers of incorrect size. |
| buffer = pool.CreateBuffer(32, 16); |
| EXPECT_EQ(32, buffer->width()); |
| EXPECT_EQ(16, buffer->height()); |
| EXPECT_NE(u_ptr, buffer->DataU()); |
| EXPECT_NE(v_ptr, buffer->DataV()); |
| } |
| |
| TEST(TestI420BufferPool, FrameValidAfterPoolDestruction) { |
| rtc::scoped_refptr<I420Buffer> buffer; |
| { |
| I420BufferPool pool; |
| buffer = pool.CreateBuffer(16, 16); |
| } |
| EXPECT_EQ(16, buffer->width()); |
| EXPECT_EQ(16, buffer->height()); |
| // Try to trigger use-after-free errors by writing to y-plane. |
| memset(buffer->MutableDataY(), 0xA5, 16 * buffer->StrideY()); |
| } |
| |
| } // namespace webrtc |