blob: a1596ebb09d6f3846fae093474bebc523ba16d8c [file] [log] [blame]
/*
* 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/interface/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->data(kYPlane);
const uint8_t* u_ptr = buffer->data(kUPlane);
const uint8_t* v_ptr = buffer->data(kVPlane);
// 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->data(kYPlane));
EXPECT_EQ(u_ptr, buffer->data(kUPlane));
EXPECT_EQ(v_ptr, buffer->data(kVPlane));
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->data(kUPlane);
const uint8_t* v_ptr = buffer->data(kVPlane);
// 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->data(kUPlane));
EXPECT_NE(v_ptr, buffer->data(kVPlane));
}
TEST(TestI420BufferPool, ExclusiveOwner) {
// Check that created buffers are exclusive so that they can be written to.
I420BufferPool pool;
rtc::scoped_refptr<VideoFrameBuffer> buffer = pool.CreateBuffer(16, 16);
EXPECT_TRUE(buffer->HasOneRef());
}
TEST(TestI420BufferPool, FrameValidAfterPoolDestruction) {
rtc::scoped_refptr<VideoFrameBuffer> buffer;
{
I420BufferPool pool;
buffer = pool.CreateBuffer(16, 16);
}
EXPECT_TRUE(buffer->HasOneRef());
EXPECT_EQ(16, buffer->width());
EXPECT_EQ(16, buffer->height());
// Try to trigger use-after-free errors by writing to y-plane.
memset(buffer->MutableData(kYPlane), 0xA5, 16 * buffer->stride(kYPlane));
}
} // namespace webrtc