zqz/platform-external-webrtc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Remove use of inter_layer_predicted in FrameBuffer2.

Browse Source 
Now that RtpVp9RefFinder sets an additional reference on the frame instead of marking it as inter_layer_predicted it is no longer used.

Bug: webrtc:12206
Change-Id: I10e0930336eafc32dc86feb2f690cb131e55be2c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/196740
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32814}
This commit is contained in:
philipel
2020-12-10 10:49:20 +01:00
committed by Commit Bot
parent b95d90b78a
commit cb327d9162
3 changed files with 97 additions and 132 deletions
Download Patch File Download Diff File Expand all files Collapse all files

196
modules/video_coding/frame_buffer2_unittest.cc
View File

@ -155,7 +155,6 @@ class TestFrameBuffer2 : public ::testing::Test {
std::unique_ptr<FrameObjectFake> CreateFrame(uint16_t picture_id,
uint8_t spatial_layer,
int64_t ts_ms,
bool inter_layer_predicted,
bool last_spatial_layer,
size_t frame_size_bytes,
T... refs) {
@ -166,11 +165,9 @@ class TestFrameBuffer2 : public ::testing::Test {
auto frame = std::make_unique<FrameObjectFake>();
frame->id.picture_id = picture_id;
frame->id.spatial_layer = spatial_layer;
frame->SetSpatialIndex(spatial_layer);
frame->SetTimestamp(ts_ms * 90);
frame->num_references = references.size();
frame->inter_layer_predicted = inter_layer_predicted;
frame->is_last_spatial_layer = last_spatial_layer;
// Add some data to buffer.
frame->SetEncodedData(EncodedImageBuffer::Create(frame_size_bytes));
@ -183,18 +180,17 @@ class TestFrameBuffer2 : public ::testing::Test {
int InsertFrame(uint16_t picture_id,
uint8_t spatial_layer,
int64_t ts_ms,
bool inter_layer_predicted,
bool last_spatial_layer,
size_t frame_size_bytes,
T... refs) {
return buffer_->InsertFrame(
CreateFrame(picture_id, spatial_layer, ts_ms, inter_layer_predicted,
last_spatial_layer, frame_size_bytes, refs...));
return buffer_->InsertFrame(CreateFrame(picture_id, spatial_layer, ts_ms,
last_spatial_layer,
frame_size_bytes, refs...));
}
int InsertNackedFrame(uint16_t picture_id, int64_t ts_ms) {
std::unique_ptr<FrameObjectFake> frame =
CreateFrame(picture_id, 0, ts_ms, false, true, kFrameSize);
CreateFrame(picture_id, 0, ts_ms, true, kFrameSize);
frame->set_delayed_by_retransmission(true);
return buffer_->InsertFrame(std::move(frame));
}
@ -219,7 +215,7 @@ class TestFrameBuffer2 : public ::testing::Test {
ASSERT_LT(index, frames_.size());
ASSERT_TRUE(frames_[index]);
ASSERT_EQ(picture_id, frames_[index]->id.picture_id);
ASSERT_EQ(spatial_layer, frames_[index]->id.spatial_layer);
ASSERT_EQ(spatial_layer, frames_[index]->SpatialIndex().value_or(0));
}
void CheckFrameSize(size_t index, size_t size) {
@ -260,7 +256,7 @@ TEST_F(TestFrameBuffer2, WaitForFrame) {
uint32_t ts = Rand();
ExtractFrame(50);
InsertFrame(pid, 0, ts, false, true, kFrameSize);
InsertFrame(pid, 0, ts, true, kFrameSize);
time_controller_.AdvanceTime(TimeDelta::Millis(50));
CheckFrame(0, pid, 0);
}
@ -269,8 +265,8 @@ TEST_F(TestFrameBuffer2, OneSuperFrame) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, false, kFrameSize);
InsertFrame(pid, 1, ts, true, true, kFrameSize);
InsertFrame(pid, 0, ts, false, kFrameSize);
InsertFrame(pid + 1, 1, ts, true, kFrameSize);
ExtractFrame();
CheckFrame(0, pid, 1);
@ -296,8 +292,8 @@ TEST_F(TestFrameBuffer2, DISABLED_OneUnorderedSuperFrame) {
uint32_t ts = Rand();
ExtractFrame(50);
InsertFrame(pid, 1, ts, true, true, kFrameSize);
InsertFrame(pid, 0, ts, false, false, kFrameSize);
InsertFrame(pid, 1, ts, true, kFrameSize);
InsertFrame(pid, 0, ts, false, kFrameSize);
time_controller_.AdvanceTime(TimeDelta::Millis(0));
CheckFrame(0, pid, 0);
@ -313,11 +309,10 @@ TEST_F(TestFrameBuffer2, DISABLED_OneLayerStreamReordered) {
CheckFrame(0, pid, 0);
for (int i = 1; i < 10; i += 2) {
ExtractFrame(50);
InsertFrame(pid + i + 1, 0, ts + (i + 1) * kFps10, false, true, kFrameSize,
InsertFrame(pid + i + 1, 0, ts + (i + 1) * kFps10, true, kFrameSize,
pid + i);
time_controller_.AdvanceTime(TimeDelta::Millis(kFps10));
InsertFrame(pid + i, 0, ts + i * kFps10, false, true, kFrameSize,
pid + i - 1);
InsertFrame(pid + i, 0, ts + i * kFps10, true, kFrameSize, pid + i - 1);
time_controller_.AdvanceTime(TimeDelta::Millis(kFps10));
ExtractFrame();
CheckFrame(i, pid + i, 0);
@ -334,9 +329,9 @@ TEST_F(TestFrameBuffer2, MissingFrame) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, true, kFrameSize);
InsertFrame(pid + 2, 0, ts, false, true, kFrameSize, pid);
InsertFrame(pid + 3, 0, ts, false, true, kFrameSize, pid + 1, pid + 2);
InsertFrame(pid, 0, ts, true, kFrameSize);
InsertFrame(pid + 2, 0, ts, true, kFrameSize, pid);
InsertFrame(pid + 3, 0, ts, true, kFrameSize, pid + 1, pid + 2);
ExtractFrame();
ExtractFrame();
ExtractFrame();
@ -350,12 +345,11 @@ TEST_F(TestFrameBuffer2, OneLayerStream) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, true, kFrameSize);
InsertFrame(pid, 0, ts, true, kFrameSize);
ExtractFrame();
CheckFrame(0, pid, 0);
for (int i = 1; i < 10; ++i) {
InsertFrame(pid + i, 0, ts + i * kFps10, false, true, kFrameSize,
pid + i - 1);
InsertFrame(pid + i, 0, ts + i * kFps10, true, kFrameSize, pid + i - 1);
ExtractFrame();
time_controller_.AdvanceTime(TimeDelta::Millis(kFps10));
CheckFrame(i, pid + i, 0);
@ -366,13 +360,13 @@ TEST_F(TestFrameBuffer2, DropTemporalLayerSlowDecoder) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, true, kFrameSize);
InsertFrame(pid + 1, 0, ts + kFps20, false, true, kFrameSize, pid);
InsertFrame(pid, 0, ts, true, kFrameSize);
InsertFrame(pid + 1, 0, ts + kFps20, true, kFrameSize, pid);
for (int i = 2; i < 10; i += 2) {
uint32_t ts_tl0 = ts + i / 2 * kFps10;
InsertFrame(pid + i, 0, ts_tl0, false, true, kFrameSize, pid + i - 2);
InsertFrame(pid + i + 1, 0, ts_tl0 + kFps20, false, true, kFrameSize,
pid + i, pid + i - 1);
InsertFrame(pid + i, 0, ts_tl0, true, kFrameSize, pid + i - 2);
InsertFrame(pid + i + 1, 0, ts_tl0 + kFps20, true, kFrameSize, pid + i,
pid + i - 1);
}
EXPECT_CALL(stats_callback_, OnDroppedFrames(1)).Times(3);
@ -398,10 +392,10 @@ TEST_F(TestFrameBuffer2, DropFramesIfSystemIsStalled) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, true, kFrameSize);
InsertFrame(pid + 1, 0, ts + 1 * kFps10, false, true, kFrameSize, pid);
InsertFrame(pid + 2, 0, ts + 2 * kFps10, false, true, kFrameSize, pid + 1);
InsertFrame(pid + 3, 0, ts + 3 * kFps10, false, true, kFrameSize);
InsertFrame(pid, 0, ts, true, kFrameSize);
InsertFrame(pid + 1, 0, ts + 1 * kFps10, true, kFrameSize, pid);
InsertFrame(pid + 2, 0, ts + 2 * kFps10, true, kFrameSize, pid + 1);
InsertFrame(pid + 3, 0, ts + 3 * kFps10, true, kFrameSize);
ExtractFrame();
// Jump forward in time, simulating the system being stalled for some reason.
@ -418,10 +412,9 @@ TEST_F(TestFrameBuffer2, DroppedFramesCountedOnClear) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, true, kFrameSize);
InsertFrame(pid, 0, ts, true, kFrameSize);
for (int i = 1; i < 5; ++i) {
InsertFrame(pid + i, 0, ts + i * kFps10, false, true, kFrameSize,
pid + i - 1);
InsertFrame(pid + i, 0, ts + i * kFps10, true, kFrameSize, pid + i - 1);
}
// All frames should be dropped when Clear is called.
@ -433,11 +426,11 @@ TEST_F(TestFrameBuffer2, InsertLateFrame) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, true, kFrameSize);
InsertFrame(pid, 0, ts, true, kFrameSize);
ExtractFrame();
InsertFrame(pid + 2, 0, ts, false, true, kFrameSize);
InsertFrame(pid + 2, 0, ts, true, kFrameSize);
ExtractFrame();
InsertFrame(pid + 1, 0, ts, false, true, kFrameSize, pid);
InsertFrame(pid + 1, 0, ts, true, kFrameSize, pid);
ExtractFrame();
CheckFrame(0, pid, 0);
@ -456,7 +449,7 @@ TEST_F(TestFrameBuffer2, ProtectionModeNackFEC) {
InsertNackedFrame(pid, ts);
InsertNackedFrame(pid + 1, ts + 100);
InsertNackedFrame(pid + 2, ts + 200);
InsertFrame(pid + 3, 0, ts + 300, false, true, kFrameSize);
InsertFrame(pid + 3, 0, ts + 300, true, kFrameSize);
ExtractFrame();
ExtractFrame();
ExtractFrame();
@ -477,7 +470,7 @@ TEST_F(TestFrameBuffer2, ProtectionModeNack) {
InsertNackedFrame(pid, ts);
InsertNackedFrame(pid + 1, ts + 100);
InsertNackedFrame(pid + 2, ts + 200);
InsertFrame(pid + 3, 0, ts + 300, false, true, kFrameSize);
InsertFrame(pid + 3, 0, ts + 300, true, kFrameSize);
ExtractFrame();
ExtractFrame();
ExtractFrame();
@ -491,51 +484,48 @@ TEST_F(TestFrameBuffer2, NoContinuousFrame) {
uint16_t pid = Rand();
uint32_t ts = Rand();
EXPECT_EQ(-1, InsertFrame(pid + 1, 0, ts, false, true, kFrameSize, pid));
EXPECT_EQ(-1, InsertFrame(pid + 1, 0, ts, true, kFrameSize, pid));
}
TEST_F(TestFrameBuffer2, LastContinuousFrameSingleLayer) {
uint16_t pid = Rand();
uint32_t ts = Rand();
EXPECT_EQ(pid, InsertFrame(pid, 0, ts, false, true, kFrameSize));
EXPECT_EQ(pid, InsertFrame(pid + 2, 0, ts, false, true, kFrameSize, pid + 1));
EXPECT_EQ(pid + 2, InsertFrame(pid + 1, 0, ts, false, true, kFrameSize, pid));
EXPECT_EQ(pid + 2,
InsertFrame(pid + 4, 0, ts, false, true, kFrameSize, pid + 3));
EXPECT_EQ(pid + 5, InsertFrame(pid + 5, 0, ts, false, true, kFrameSize));
EXPECT_EQ(pid, InsertFrame(pid, 0, ts, true, kFrameSize));
EXPECT_EQ(pid, InsertFrame(pid + 2, 0, ts, true, kFrameSize, pid + 1));
EXPECT_EQ(pid + 2, InsertFrame(pid + 1, 0, ts, true, kFrameSize, pid));
EXPECT_EQ(pid + 2, InsertFrame(pid + 4, 0, ts, true, kFrameSize, pid + 3));
EXPECT_EQ(pid + 5, InsertFrame(pid + 5, 0, ts, true, kFrameSize));
}
TEST_F(TestFrameBuffer2, LastContinuousFrameTwoLayers) {
uint16_t pid = Rand();
uint32_t ts = Rand();
EXPECT_EQ(pid, InsertFrame(pid, 0, ts, false, false, kFrameSize));
EXPECT_EQ(pid, InsertFrame(pid, 1, ts, true, true, kFrameSize));
EXPECT_EQ(pid, InsertFrame(pid + 1, 1, ts, true, true, kFrameSize, pid));
EXPECT_EQ(pid,
InsertFrame(pid + 2, 0, ts, false, false, kFrameSize, pid + 1));
EXPECT_EQ(pid, InsertFrame(pid + 2, 1, ts, true, true, kFrameSize, pid + 1));
EXPECT_EQ(pid,
InsertFrame(pid + 3, 0, ts, false, false, kFrameSize, pid + 2));
EXPECT_EQ(pid + 3,
InsertFrame(pid + 1, 0, ts, false, false, kFrameSize, pid));
EXPECT_EQ(pid + 3,
InsertFrame(pid + 3, 1, ts, true, true, kFrameSize, pid + 2));
EXPECT_EQ(pid, InsertFrame(pid, 0, ts, false, kFrameSize));
EXPECT_EQ(pid + 1, InsertFrame(pid + 1, 1, ts, true, kFrameSize));
EXPECT_EQ(pid + 1,
InsertFrame(pid + 3, 1, ts, true, kFrameSize, pid + 1, pid + 2));
EXPECT_EQ(pid + 1, InsertFrame(pid + 4, 0, ts, false, kFrameSize, pid + 2));
EXPECT_EQ(pid + 1,
InsertFrame(pid + 5, 1, ts, true, kFrameSize, pid + 3, pid + 4));
EXPECT_EQ(pid + 1, InsertFrame(pid + 6, 0, ts, false, kFrameSize, pid + 4));
EXPECT_EQ(pid + 6, InsertFrame(pid + 2, 0, ts, false, kFrameSize, pid));
EXPECT_EQ(pid + 7,
InsertFrame(pid + 7, 1, ts, true, kFrameSize, pid + 5, pid + 6));
}
TEST_F(TestFrameBuffer2, PictureIdJumpBack) {
uint16_t pid = Rand();
uint32_t ts = Rand();
EXPECT_EQ(pid, InsertFrame(pid, 0, ts, false, true, kFrameSize));
EXPECT_EQ(pid + 1,
InsertFrame(pid + 1, 0, ts + 1, false, true, kFrameSize, pid));
EXPECT_EQ(pid, InsertFrame(pid, 0, ts, true, kFrameSize));
EXPECT_EQ(pid + 1, InsertFrame(pid + 1, 0, ts + 1, true, kFrameSize, pid));
ExtractFrame();
CheckFrame(0, pid, 0);
// Jump back in pid but increase ts.
EXPECT_EQ(pid - 1, InsertFrame(pid - 1, 0, ts + 2, false, true, kFrameSize));
EXPECT_EQ(pid - 1, InsertFrame(pid - 1, 0, ts + 2, true, kFrameSize));
ExtractFrame();
ExtractFrame();
CheckFrame(1, pid - 1, 0);
@ -555,10 +545,8 @@ TEST_F(TestFrameBuffer2, StatsCallback) {
std::unique_ptr<FrameObjectFake> frame(new FrameObjectFake());
frame->SetEncodedData(EncodedImageBuffer::Create(kFrameSize));
frame->id.picture_id = pid;
frame->id.spatial_layer = 0;
frame->SetTimestamp(ts);
frame->num_references = 0;
frame->inter_layer_predicted = false;
EXPECT_EQ(buffer_->InsertFrame(std::move(frame)), pid);
}
@ -568,42 +556,42 @@ TEST_F(TestFrameBuffer2, StatsCallback) {
}
TEST_F(TestFrameBuffer2, ForwardJumps) {
EXPECT_EQ(5453, InsertFrame(5453, 0, 1, false, true, kFrameSize));
EXPECT_EQ(5453, InsertFrame(5453, 0, 1, true, kFrameSize));
ExtractFrame();
EXPECT_EQ(5454, InsertFrame(5454, 0, 1, false, true, kFrameSize, 5453));
EXPECT_EQ(5454, InsertFrame(5454, 0, 1, true, kFrameSize, 5453));
ExtractFrame();
EXPECT_EQ(15670, InsertFrame(15670, 0, 1, false, true, kFrameSize));
EXPECT_EQ(15670, InsertFrame(15670, 0, 1, true, kFrameSize));
ExtractFrame();
EXPECT_EQ(29804, InsertFrame(29804, 0, 1, false, true, kFrameSize));
EXPECT_EQ(29804, InsertFrame(29804, 0, 1, true, kFrameSize));
ExtractFrame();
EXPECT_EQ(29805, InsertFrame(29805, 0, 1, false, true, kFrameSize, 29804));
EXPECT_EQ(29805, InsertFrame(29805, 0, 1, true, kFrameSize, 29804));
ExtractFrame();
EXPECT_EQ(29806, InsertFrame(29806, 0, 1, false, true, kFrameSize, 29805));
EXPECT_EQ(29806, InsertFrame(29806, 0, 1, true, kFrameSize, 29805));
ExtractFrame();
EXPECT_EQ(33819, InsertFrame(33819, 0, 1, false, true, kFrameSize));
EXPECT_EQ(33819, InsertFrame(33819, 0, 1, true, kFrameSize));
ExtractFrame();
EXPECT_EQ(41248, InsertFrame(41248, 0, 1, false, true, kFrameSize));
EXPECT_EQ(41248, InsertFrame(41248, 0, 1, true, kFrameSize));
ExtractFrame();
}
TEST_F(TestFrameBuffer2, DuplicateFrames) {
EXPECT_EQ(22256, InsertFrame(22256, 0, 1, false, true, kFrameSize));
EXPECT_EQ(22256, InsertFrame(22256, 0, 1, true, kFrameSize));
ExtractFrame();
EXPECT_EQ(22256, InsertFrame(22256, 0, 1, false, true, kFrameSize));
EXPECT_EQ(22256, InsertFrame(22256, 0, 1, true, kFrameSize));
}
// TODO(philipel): implement more unittests related to invalid references.
TEST_F(TestFrameBuffer2, InvalidReferences) {
EXPECT_EQ(-1, InsertFrame(0, 0, 1000, false, true, kFrameSize, 2));
EXPECT_EQ(1, InsertFrame(1, 0, 2000, false, true, kFrameSize));
EXPECT_EQ(-1, InsertFrame(0, 0, 1000, true, kFrameSize, 2));
EXPECT_EQ(1, InsertFrame(1, 0, 2000, true, kFrameSize));
ExtractFrame();
EXPECT_EQ(2, InsertFrame(2, 0, 3000, false, true, kFrameSize, 1));
EXPECT_EQ(2, InsertFrame(2, 0, 3000, true, kFrameSize, 1));
}
TEST_F(TestFrameBuffer2, KeyframeRequired) {
EXPECT_EQ(1, InsertFrame(1, 0, 1000, false, true, kFrameSize));
EXPECT_EQ(2, InsertFrame(2, 0, 2000, false, true, kFrameSize, 1));
EXPECT_EQ(3, InsertFrame(3, 0, 3000, false, true, kFrameSize));
EXPECT_EQ(1, InsertFrame(1, 0, 1000, true, kFrameSize));
EXPECT_EQ(2, InsertFrame(2, 0, 2000, true, kFrameSize, 1));
EXPECT_EQ(3, InsertFrame(3, 0, 3000, true, kFrameSize));
ExtractFrame();
ExtractFrame(0, true);
ExtractFrame();
@ -617,38 +605,38 @@ TEST_F(TestFrameBuffer2, KeyframeClearsFullBuffer) {
const int kMaxBufferSize = 600;
for (int i = 1; i <= kMaxBufferSize; ++i)
EXPECT_EQ(-1, InsertFrame(i, 0, i * 1000, false, true, kFrameSize, i - 1));
EXPECT_EQ(-1, InsertFrame(i, 0, i * 1000, true, kFrameSize, i - 1));
ExtractFrame();
CheckNoFrame(0);
EXPECT_EQ(kMaxBufferSize + 1,
InsertFrame(kMaxBufferSize + 1, 0, (kMaxBufferSize + 1) * 1000,
false, true, kFrameSize));
true, kFrameSize));
ExtractFrame();
CheckFrame(1, kMaxBufferSize + 1, 0);
}
TEST_F(TestFrameBuffer2, DontUpdateOnUndecodableFrame) {
InsertFrame(1, 0, 0, false, true, kFrameSize);
InsertFrame(1, 0, 0, true, kFrameSize);
ExtractFrame(0, true);
InsertFrame(3, 0, 0, false, true, kFrameSize, 2, 0);
InsertFrame(3, 0, 0, false, true, kFrameSize, 0);
InsertFrame(2, 0, 0, false, true, kFrameSize);
InsertFrame(3, 0, 0, true, kFrameSize, 2, 0);
InsertFrame(3, 0, 0, true, kFrameSize, 0);
InsertFrame(2, 0, 0, true, kFrameSize);
ExtractFrame(0, true);
ExtractFrame(0, true);
}
TEST_F(TestFrameBuffer2, DontDecodeOlderTimestamp) {
InsertFrame(2, 0, 1, false, true, kFrameSize);
InsertFrame(1, 0, 2, false, true,
InsertFrame(2, 0, 1, true, kFrameSize);
InsertFrame(1, 0, 2, true,
kFrameSize); // Older picture id but newer timestamp.
ExtractFrame(0);
ExtractFrame(0);
CheckFrame(0, 1, 0);
CheckNoFrame(1);
InsertFrame(3, 0, 4, false, true, kFrameSize);
InsertFrame(4, 0, 3, false, true,
InsertFrame(3, 0, 4, true, kFrameSize);
InsertFrame(4, 0, 3, true,
kFrameSize); // Newer picture id but older timestamp.
ExtractFrame(0);
ExtractFrame(0);
@ -660,8 +648,8 @@ TEST_F(TestFrameBuffer2, CombineFramesToSuperframe) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, false, kFrameSize);
InsertFrame(pid, 1, ts, true, true, 2 * kFrameSize);
InsertFrame(pid, 0, ts, false, kFrameSize);
InsertFrame(pid + 1, 1, ts, true, 2 * kFrameSize, pid);
ExtractFrame(0);
ExtractFrame(0);
CheckFrame(0, pid, 1);
@ -678,25 +666,25 @@ TEST_F(TestFrameBuffer2, HigherSpatialLayerNonDecodable) {
uint16_t pid = Rand();
uint32_t ts = Rand();
InsertFrame(pid, 0, ts, false, false, kFrameSize);
InsertFrame(pid, 1, ts, true, true, kFrameSize);
InsertFrame(pid, 0, ts, false, kFrameSize);
InsertFrame(pid + 1, 1, ts, true, kFrameSize, pid);
ExtractFrame(0);
CheckFrame(0, pid, 1);
InsertFrame(pid + 1, 1, ts + kFps20, false, true, kFrameSize, pid);
InsertFrame(pid + 2, 0, ts + kFps10, false, false, kFrameSize, pid);
InsertFrame(pid + 2, 1, ts + kFps10, true, true, kFrameSize, pid + 1);
InsertFrame(pid + 3, 1, ts + kFps20, true, kFrameSize, pid);
InsertFrame(pid + 4, 0, ts + kFps10, false, kFrameSize, pid);
InsertFrame(pid + 5, 1, ts + kFps10, true, kFrameSize, pid + 3, pid + 4);
time_controller_.AdvanceTime(TimeDelta::Millis(1000));
// Frame pid+1 is decodable but too late.
// In superframe pid+2 frame sid=0 is decodable, but frame sid=1 is not.
// Incorrect implementation might skip pid+1 frame and output undecodable
// pid+2 instead.
// Frame pid+3 is decodable but too late.
// In superframe pid+4 is decodable, but frame pid+5 is not.
// Incorrect implementation might skip pid+2 frame and output undecodable
// pid+5 instead.
ExtractFrame();
ExtractFrame();
CheckFrame(1, pid + 1, 1);
CheckFrame(2, pid + 2, 1);
CheckFrame(1, pid + 3, 1);
CheckFrame(2, pid + 4, 1);
}
} // namespace video_coding