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/*
* Copyright (c) 2019 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 "modules/video_coding/utility/decoded_frames_history.h"
#include "test/gtest.h"
namespace webrtc {
namespace video_coding {
namespace {
constexpr int kHistorySize = 1 << 13;
TEST(DecodedFramesHistory, RequestOnEmptyHistory) {
DecodedFramesHistory history(kHistorySize);
EXPECT_EQ(history.WasDecoded(1234), false);
}
TEST(DecodedFramesHistory, FindsLastDecodedFrame) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded(1234, 0);
EXPECT_EQ(history.WasDecoded(1234), true);
}
TEST(DecodedFramesHistory, FindsPreviousFrame) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded(1234, 0);
history.InsertDecoded(1235, 0);
EXPECT_EQ(history.WasDecoded(1234), true);
}
TEST(DecodedFramesHistory, ReportsMissingFrame) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded(1234, 0);
history.InsertDecoded(1236, 0);
EXPECT_EQ(history.WasDecoded(1235), false);
}
TEST(DecodedFramesHistory, ClearsHistory) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded(1234, 0);
history.Clear();
EXPECT_EQ(history.WasDecoded(1234), false);
EXPECT_EQ(history.GetLastDecodedFrameId(), std::nullopt);
EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), std::nullopt);
}
TEST(DecodedFramesHistory, HandlesBigJumpInPictureId) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded(1234, 0);
history.InsertDecoded(1235, 0);
history.InsertDecoded(1236, 0);
history.InsertDecoded(1236 + kHistorySize / 2, 0);
EXPECT_EQ(history.WasDecoded(1234), true);
EXPECT_EQ(history.WasDecoded(1237), false);
}
TEST(DecodedFramesHistory, ForgetsTooOldHistory) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded(1234, 0);
history.InsertDecoded(1235, 0);
history.InsertDecoded(1236, 0);
history.InsertDecoded(1236 + kHistorySize * 2, 0);
EXPECT_EQ(history.WasDecoded(1234), false);
EXPECT_EQ(history.WasDecoded(1237), false);
}
TEST(DecodedFramesHistory, ReturnsLastDecodedFrameId) {
DecodedFramesHistory history(kHistorySize);
EXPECT_EQ(history.GetLastDecodedFrameId(), std::nullopt);
history.InsertDecoded(1234, 0);
EXPECT_EQ(history.GetLastDecodedFrameId(), 1234);
history.InsertDecoded(1235, 0);
EXPECT_EQ(history.GetLastDecodedFrameId(), 1235);
}
TEST(DecodedFramesHistory, ReturnsLastDecodedFrameTimestamp) {
DecodedFramesHistory history(kHistorySize);
EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), std::nullopt);
history.InsertDecoded(1234, 12345);
EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), 12345u);
history.InsertDecoded(1235, 12366);
EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), 12366u);
}
TEST(DecodedFramesHistory, NegativePictureIds) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded(-1234, 12345);
history.InsertDecoded(-1233, 12366);
EXPECT_EQ(*history.GetLastDecodedFrameId(), -1233);
history.InsertDecoded(-1, 12377);
history.InsertDecoded(0, 12388);
EXPECT_EQ(*history.GetLastDecodedFrameId(), 0);
history.InsertDecoded(1, 12399);
EXPECT_EQ(*history.GetLastDecodedFrameId(), 1);
EXPECT_EQ(history.WasDecoded(-1234), true);
EXPECT_EQ(history.WasDecoded(-1), true);
EXPECT_EQ(history.WasDecoded(0), true);
EXPECT_EQ(history.WasDecoded(1), true);
}
} // namespace
} // namespace video_coding
} // namespace webrtc