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// Copyright 2021 The libgav1 Authors
//
// 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 "src/internal_frame_buffer_list.h"
#include <cstdint>
#include "gtest/gtest.h"
#include "src/gav1/decoder_buffer.h"
#include "src/gav1/frame_buffer.h"
namespace libgav1 {
namespace {
class InternalFrameBufferListTest : public testing::Test {
protected:
static constexpr int kBufferListSize = 10;
InternalFrameBufferListTest() {
on_frame_buffer_size_changed_ = OnInternalFrameBufferSizeChanged;
get_frame_buffer_ = GetInternalFrameBuffer;
release_frame_buffer_ = ReleaseInternalFrameBuffer;
callback_private_data_ = &buffer_list_;
}
// Frame buffer callbacks.
FrameBufferSizeChangedCallback on_frame_buffer_size_changed_;
GetFrameBufferCallback get_frame_buffer_;
ReleaseFrameBufferCallback release_frame_buffer_;
// Private data associated with the frame buffer callbacks.
void* callback_private_data_;
private:
InternalFrameBufferList buffer_list_;
};
TEST_F(InternalFrameBufferListTest, ReleaseInRandomOrder) {
const int bitdepth = 8;
const Libgav1ImageFormat image_format = kLibgav1ImageFormatYuv420;
const int width = 100;
const int height = 50;
const int left_border = 0;
const int right_border = 0;
const int top_border = 0;
const int bottom_border = 0;
const int stride_alignment = 16;
EXPECT_EQ(on_frame_buffer_size_changed_(callback_private_data_, bitdepth,
image_format, width, height,
left_border, right_border, top_border,
bottom_border, stride_alignment),
0);
FrameBuffer frame_buffers[kBufferListSize];
for (auto& frame_buffer : frame_buffers) {
EXPECT_EQ(
get_frame_buffer_(callback_private_data_, bitdepth, image_format, width,
height, left_border, right_border, top_border,
bottom_border, stride_alignment, &frame_buffer),
0);
EXPECT_NE(frame_buffer.plane[0], nullptr);
EXPECT_GE(frame_buffer.stride[0], 112);
EXPECT_NE(frame_buffer.plane[1], nullptr);
EXPECT_GE(frame_buffer.stride[1], 64);
EXPECT_NE(frame_buffer.plane[2], nullptr);
EXPECT_GE(frame_buffer.stride[2], 64);
}
// Release and get a few buffers at indexes <= 5 in random order.
static_assert(5 < kBufferListSize, "");
static constexpr int indexes[] = {1, 4, 5, 5, 4, 3, 2, 3, 5, 0};
for (int index : indexes) {
release_frame_buffer_(callback_private_data_,
frame_buffers[index].private_data);
EXPECT_EQ(get_frame_buffer_(callback_private_data_, bitdepth, image_format,
width, height, left_border, right_border,
top_border, bottom_border, stride_alignment,
&frame_buffers[index]),
0);
EXPECT_NE(frame_buffers[index].plane[0], nullptr);
EXPECT_GE(frame_buffers[index].stride[0], 112);
EXPECT_NE(frame_buffers[index].plane[1], nullptr);
EXPECT_GE(frame_buffers[index].stride[1], 64);
EXPECT_NE(frame_buffers[index].plane[2], nullptr);
EXPECT_GE(frame_buffers[index].stride[2], 64);
}
for (auto& frame_buffer : frame_buffers) {
release_frame_buffer_(callback_private_data_, frame_buffer.private_data);
}
}
TEST_F(InternalFrameBufferListTest, VaryingBufferSizes) {
const int bitdepth = 8;
const Libgav1ImageFormat image_format = kLibgav1ImageFormatYuv420;
const int width = 64;
const int height = 48;
const int left_border = 16;
const int right_border = 16;
const int top_border = 16;
const int bottom_border = 16;
const int stride_alignment = 16;
EXPECT_EQ(on_frame_buffer_size_changed_(callback_private_data_, bitdepth,
image_format, 16 * width, 16 * height,
left_border, right_border, top_border,
bottom_border, stride_alignment),
0);
FrameBuffer frame_buffer;
for (int i = 1; i <= 16; ++i) {
EXPECT_EQ(get_frame_buffer_(callback_private_data_, bitdepth, image_format,
i * width, i * height, left_border,
right_border, top_border, bottom_border,
stride_alignment, &frame_buffer),
0);
EXPECT_NE(frame_buffer.plane[0], nullptr);
EXPECT_GE(frame_buffer.stride[0], i * width + left_border + right_border);
EXPECT_NE(frame_buffer.plane[1], nullptr);
EXPECT_GE(frame_buffer.stride[1],
(i * width + left_border + right_border) >> 1);
EXPECT_NE(frame_buffer.plane[2], nullptr);
EXPECT_GE(frame_buffer.stride[2],
(i * width + left_border + right_border) >> 1);
release_frame_buffer_(callback_private_data_, frame_buffer.private_data);
}
for (int i = 16; i >= 1; --i) {
EXPECT_EQ(get_frame_buffer_(callback_private_data_, bitdepth, image_format,
i * width, i * height, left_border,
right_border, top_border, bottom_border,
stride_alignment, &frame_buffer),
0);
EXPECT_NE(frame_buffer.plane[0], nullptr);
EXPECT_GE(frame_buffer.stride[0], i * width + left_border + right_border);
EXPECT_NE(frame_buffer.plane[1], nullptr);
EXPECT_GE(frame_buffer.stride[1],
(i * width + left_border + right_border) >> 1);
EXPECT_NE(frame_buffer.plane[2], nullptr);
EXPECT_GE(frame_buffer.stride[2],
(i * width + left_border + right_border) >> 1);
release_frame_buffer_(callback_private_data_, frame_buffer.private_data);
}
}
} // namespace
} // namespace libgav1
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