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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, 0}), false);
}
TEST(DecodedFramesHistory, FindsLastDecodedFrame) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
EXPECT_EQ(history.WasDecoded({1234, 0}), true);
}
TEST(DecodedFramesHistory, FindsPreviousFrame) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
history.InsertDecoded({1235, 0}, 0);
EXPECT_EQ(history.WasDecoded({1234, 0}), true);
}
TEST(DecodedFramesHistory, ReportsMissingFrame) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
history.InsertDecoded({1236, 0}, 0);
EXPECT_EQ(history.WasDecoded({1235, 0}), false);
}
TEST(DecodedFramesHistory, ClearsHistory) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
history.Clear();
EXPECT_EQ(history.WasDecoded({1234, 0}), false);
EXPECT_EQ(history.GetLastDecodedFrameId(), absl::nullopt);
EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), absl::nullopt);
}
TEST(DecodedFramesHistory, HandlesMultipleLayers) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
history.InsertDecoded({1234, 1}, 0);
history.InsertDecoded({1235, 0}, 0);
history.InsertDecoded({1236, 0}, 0);
history.InsertDecoded({1236, 1}, 0);
EXPECT_EQ(history.WasDecoded({1235, 0}), true);
EXPECT_EQ(history.WasDecoded({1235, 1}), false);
}
TEST(DecodedFramesHistory, HandlesNewLayer) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
history.InsertDecoded({1234, 1}, 0);
history.InsertDecoded({1235, 0}, 0);
history.InsertDecoded({1235, 1}, 0);
history.InsertDecoded({1236, 0}, 0);
history.InsertDecoded({1236, 1}, 0);
EXPECT_EQ(history.WasDecoded({1234, 2}), false);
}
TEST(DecodedFramesHistory, HandlesSkippedLayer) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
history.InsertDecoded({1234, 2}, 0);
history.InsertDecoded({1235, 0}, 0);
history.InsertDecoded({1235, 1}, 0);
EXPECT_EQ(history.WasDecoded({1234, 1}), false);
EXPECT_EQ(history.WasDecoded({1235, 1}), true);
}
TEST(DecodedFramesHistory, HandlesBigJumpInPictureId) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
history.InsertDecoded({1235, 0}, 0);
history.InsertDecoded({1236, 0}, 0);
history.InsertDecoded({1236 + kHistorySize / 2, 0}, 0);
EXPECT_EQ(history.WasDecoded({1234, 0}), true);
EXPECT_EQ(history.WasDecoded({1237, 0}), false);
}
TEST(DecodedFramesHistory, ForgetsTooOldHistory) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({1234, 0}, 0);
history.InsertDecoded({1235, 0}, 0);
history.InsertDecoded({1236, 0}, 0);
history.InsertDecoded({1236 + kHistorySize * 2, 0}, 0);
EXPECT_EQ(history.WasDecoded({1234, 0}), false);
EXPECT_EQ(history.WasDecoded({1237, 0}), false);
}
TEST(DecodedFramesHistory, ReturnsLastDecodedFrameId) {
DecodedFramesHistory history(kHistorySize);
EXPECT_EQ(history.GetLastDecodedFrameId(), absl::nullopt);
history.InsertDecoded({1234, 0}, 0);
EXPECT_EQ(history.GetLastDecodedFrameId(), VideoLayerFrameId(1234, 0));
history.InsertDecoded({1235, 0}, 0);
EXPECT_EQ(history.GetLastDecodedFrameId(), VideoLayerFrameId(1235, 0));
}
TEST(DecodedFramesHistory, ReturnsLastDecodedFrameTimestamp) {
DecodedFramesHistory history(kHistorySize);
EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), absl::nullopt);
history.InsertDecoded({1234, 0}, 12345);
EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), 12345u);
history.InsertDecoded({1235, 0}, 12366);
EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), 12366u);
}
TEST(DecodedFramesHistory, NegativePictureIds) {
DecodedFramesHistory history(kHistorySize);
history.InsertDecoded({-1234, 0}, 12345);
history.InsertDecoded({-1233, 0}, 12366);
EXPECT_EQ(history.GetLastDecodedFrameId()->picture_id, -1233);
history.InsertDecoded({-1, 0}, 12377);
history.InsertDecoded({0, 0}, 12388);
EXPECT_EQ(history.GetLastDecodedFrameId()->picture_id, 0);
history.InsertDecoded({1, 0}, 12399);
EXPECT_EQ(history.GetLastDecodedFrameId()->picture_id, 1);
EXPECT_EQ(history.WasDecoded({-1234, 0}), true);
EXPECT_EQ(history.WasDecoded({-1, 0}), true);
EXPECT_EQ(history.WasDecoded({0, 0}), true);
EXPECT_EQ(history.WasDecoded({1, 0}), true);
}
} // namespace
} // namespace video_coding
} // namespace webrtc