Index: media/gpu/h264_decoder_unittest.cc |
diff --git a/media/gpu/h264_decoder_unittest.cc b/media/gpu/h264_decoder_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f03ac7038711a69040cebe64a0b0600d59d4db8b |
--- /dev/null |
+++ b/media/gpu/h264_decoder_unittest.cc |
@@ -0,0 +1,385 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include <stdint.h> |
+#include <string.h> |
+ |
+#include <memory> |
+#include <queue> |
+#include <string> |
+ |
+#include "base/bind.h" |
+#include "base/command_line.h" |
+#include "base/files/file_util.h" |
+#include "base/logging.h" |
+#include "media/base/test_data_util.h" |
+#include "media/gpu/h264_decoder.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace media { |
+namespace { |
+ |
+const char* kBaselineFrame0 = "bear-320x192-baseline-frame-0.h264"; |
Pawel Osciak
2017/03/23 08:34:21
Perhaps const std::string, as GetTestDataFilePath(
Owen Lin
2017/06/21 07:37:29
Done.
|
+const char* kBaselineFrame1 = "bear-320x192-baseline-frame-1.h264"; |
+const char* kBaselineFrame2 = "bear-320x192-baseline-frame-2.h264"; |
+const char* kBaselineFrame3 = "bear-320x192-baseline-frame-3.h264"; |
+const char* kHighFrame0 = "bear-320x192-high-frame-0.h264"; |
+const char* kHighFrame1 = "bear-320x192-high-frame-1.h264"; |
+const char* kHighFrame2 = "bear-320x192-high-frame-2.h264"; |
+const char* kHighFrame3 = "bear-320x192-high-frame-3.h264"; |
+ |
+// Forward declaration |
Pawel Osciak
2017/03/23 08:34:20
Nit: comment perhaps not needed.
Owen Lin
2017/06/21 07:37:29
Done.
|
+class FakeH264Accelerator; |
+ |
+class H264DecoderTest : public ::testing::Test { |
Pawel Osciak
2017/03/23 08:34:21
Please add a comment what this test is for.
Owen Lin
2017/06/21 07:37:29
Done.
|
+ public: |
+ // The events we used to verify the correctness. Will check if these |
+ // events are triggers in order. |
+ struct Event { |
+ enum Type { |
Pawel Osciak
2017/03/23 08:34:20
enum class?
Owen Lin
2017/06/21 07:37:28
Done.
|
+ CREATE_H264_PICTURE, |
+ SUBMIT_DECODE, |
+ OUTPUT_PICTURE, |
+ RAN_OUT_OF_SURFACES, |
+ NEED_CONTEXT_UPDATE, |
+ ALLOCATE_NEW_SURFACES, |
+ DECODE_ERROR, |
+ }; |
+ |
+ Type type; |
+ |
+ Event(Type type) : type(type) {} |
Pawel Osciak
2017/03/23 08:34:20
explicit?
Owen Lin
2017/06/21 07:37:29
You're right. Implicit conversion is not allowed.
|
+ }; |
+ |
+ // The specialize Event for OutputPicture as we will also check the POC. |
+ struct OutputPictureEvent : public Event { |
+ int pic_order_cnt; |
+ |
+ OutputPictureEvent(int pic_order_cnt) |
+ : Event(OUTPUT_PICTURE), pic_order_cnt(pic_order_cnt) {} |
+ }; |
+ |
+ // Function called when an event dispatch to the test. |
+ using EventHandler = std::function<void(const Event& event)>; |
Pawel Osciak
2017/03/23 08:34:20
std::function is not allowed per Chromium coding s
Owen Lin
2017/06/21 07:37:29
Done.
|
+ |
+ H264DecoderTest() {} |
Pawel Osciak
2017/03/23 08:34:20
= default; perhaps?
Owen Lin
2017/06/21 07:37:29
Done.
|
+ |
+ void SetUp() override; |
+ |
+ // Helper function to feed bitstreams. |
+ void FeedData(std::vector<const char*> frames); |
+ |
+ // Called when an event happens. |
+ void OnEvent(const Event& event); |
+ |
+ // Expects the specified event will be dispatched to the test. When it |
+ // happens, handler will be called. The expected events will be queued. |
+ // This function could be called multiple times and we expect those |
+ // events will happen in order. |
+ void ExpectEvent(Event::Type type, EventHandler handler = {}); |
+ |
+ // Expects the decoder output a picture with the specified POC.. |
+ void ExpectOutputPictureWithPoc(int expected_poc); |
+ |
+ // Gets the number of remaining expected events. |
+ size_t GetNumberOfExpectedEvents() const { return expected_events_.size(); } |
DaleCurtis
2017/03/21 18:07:18
Inline should be hacker_style().
Owen Lin
2017/06/21 07:37:29
Done.
|
+ |
+ protected: |
Pawel Osciak
2017/03/23 08:34:20
Do we need protected instead of private?
Owen Lin
2017/06/21 07:37:29
Some tests can directly access these members.
|
+ std::unique_ptr<H264Decoder> decoder_; |
+ std::unique_ptr<FakeH264Accelerator> accelerator_; |
+ |
+ private: |
+ struct ExpectedEvent { |
+ Event::Type type; |
+ EventHandler handler; |
+ |
+ ExpectedEvent(Event::Type type, EventHandler handler) |
+ : type(type), handler(handler) {} |
+ }; |
+ |
+ std::queue<ExpectedEvent> expected_events_; |
+}; |
+ |
+class FakeH264Accelerator : public H264Decoder::H264Accelerator { |
+ public: |
+ FakeH264Accelerator(H264DecoderTest* test) : test_(test) {} |
+ |
+ scoped_refptr<H264Picture> CreateH264Picture() override { |
+ if (new_picture_quota_ > 0) { |
+ --new_picture_quota_; |
+ return new H264Picture(); |
Pawel Osciak
2017/03/23 08:34:20
To mimic the actual behavior of the accelerator, w
Owen Lin
2017/06/21 07:37:29
It sounds like we should add some tests about free
Pawel Osciak
2017/06/23 02:07:34
Acknowledged.
|
+ } |
+ return nullptr; |
+ } |
+ |
+ // Implementations of H264Decoder::H264Accelerator interface. |
+ |
+ bool SubmitFrameMetadata(const H264SPS* sps, |
+ const H264PPS* pps, |
+ const H264DPB& dpb, |
+ const H264Picture::Vector& ref_pic_listp0, |
+ const H264Picture::Vector& ref_pic_listb0, |
+ const H264Picture::Vector& ref_pic_listb1, |
+ const scoped_refptr<H264Picture>& pic) override { |
+ return true; |
+ } |
+ |
+ bool SubmitSlice(const H264PPS* pps, |
+ const H264SliceHeader* slice_hdr, |
+ const H264Picture::Vector& ref_pic_list0, |
+ const H264Picture::Vector& ref_pic_list1, |
+ const scoped_refptr<H264Picture>& pic, |
+ const uint8_t* data, |
+ size_t size) override { |
+ return true; |
+ } |
+ |
+ bool SubmitDecode(const scoped_refptr<H264Picture>& pic) override { |
+ test_->OnEvent(H264DecoderTest::Event::SUBMIT_DECODE); |
+ return true; |
+ } |
+ |
+ bool OutputPicture(const scoped_refptr<H264Picture>& pic) override { |
+ test_->OnEvent(H264DecoderTest::OutputPictureEvent(pic->pic_order_cnt)); |
+ return true; |
+ } |
+ |
+ void Reset() override {} |
+ |
+ // How many times CreateH264Picture() will returns valid H264Picture. |
+ void SetNewPictureQuota(size_t quota) { new_picture_quota_ = quota; } |
+ |
+ size_t GetNewPictureQuota() const { return new_picture_quota_; } |
+ |
+ private: |
+ H264DecoderTest* test_; |
+ size_t new_picture_quota_ = 0; |
+}; |
+ |
+std::ostream& operator<<(std::ostream& os, |
+ const H264DecoderTest::Event::Type type) { |
+ switch (type) { |
+ case H264DecoderTest::Event::CREATE_H264_PICTURE: |
+ return os << "CreateH264Picture"; |
+ case H264DecoderTest::Event::SUBMIT_DECODE: |
+ return os << "SubmitDecode"; |
+ case H264DecoderTest::Event::OUTPUT_PICTURE: |
+ return os << "OutputPicture"; |
+ case H264DecoderTest::Event::RAN_OUT_OF_SURFACES: |
+ return os << "RanOutOfSurfaces"; |
+ case H264DecoderTest::Event::NEED_CONTEXT_UPDATE: |
+ return os << "NeedContextUpdate"; |
+ case H264DecoderTest::Event::ALLOCATE_NEW_SURFACES: |
+ return os << "AllocateNewSurfaces"; |
+ case H264DecoderTest::Event::DECODE_ERROR: |
+ return os << "DecodeError"; |
+ } |
+ return os; |
+} |
+ |
+std::ostream& operator<<(std::ostream& os, const H264DecoderTest::Event& e) { |
+ switch (e.type) { |
+ case H264DecoderTest::Event::OUTPUT_PICTURE: { |
+ const H264DecoderTest::OutputPictureEvent& event = |
+ static_cast<const H264DecoderTest::OutputPictureEvent&>(e); |
Pawel Osciak
2017/03/23 08:34:20
Perhaps we could instead have a virtual AsString()
Owen Lin
2017/06/21 07:37:29
Done. But follow most namings in chromium as ToStr
|
+ return os << e.type << "(poc=" << event.pic_order_cnt << ")"; |
+ } |
+ default: |
+ return os << e.type; |
+ } |
+} |
+ |
+void H264DecoderTest::SetUp() { |
+ accelerator_.reset(new FakeH264Accelerator(this)); |
+ decoder_.reset(new H264Decoder(accelerator_.get())); |
+} |
+ |
+void H264DecoderTest::FeedData(std::vector<const char*> frames) { |
Pawel Osciak
2017/03/23 08:34:20
Perhaps const vector<std::string>&?
Owen Lin
2017/06/21 07:37:29
Done.
|
+ std::string bitstream; |
+ auto frame_iter = frames.begin(); |
+ while (true) { |
+ switch (decoder_->Decode()) { |
+ case AcceleratedVideoDecoder::kAllocateNewSurfaces: |
+ ASSERT_NO_FATAL_FAILURE(OnEvent(Event::ALLOCATE_NEW_SURFACES)); |
+ break; |
+ case AcceleratedVideoDecoder::kRanOutOfStreamData: { |
+ if (frame_iter == frames.end()) |
+ return; |
+ base::FilePath input_file = GetTestDataFilePath(*frame_iter++); |
+ ASSERT_TRUE(base::ReadFileToString(input_file, &bitstream)) |
+ << "failed to read input data from " << input_file.value(); |
+ decoder_->SetStream(reinterpret_cast<const uint8_t*>(bitstream.data()), |
+ bitstream.size()); |
+ break; |
+ } |
+ case AcceleratedVideoDecoder::kRanOutOfSurfaces: |
+ ASSERT_NO_FATAL_FAILURE(OnEvent(Event::RAN_OUT_OF_SURFACES)); |
+ break; |
+ case AcceleratedVideoDecoder::kNeedContextUpdate: |
+ ASSERT_NO_FATAL_FAILURE(OnEvent(Event::NEED_CONTEXT_UPDATE)); |
+ break; |
+ case AcceleratedVideoDecoder::kDecodeError: |
+ ASSERT_NO_FATAL_FAILURE(OnEvent(Event::DECODE_ERROR)); |
+ break; |
+ } |
+ } |
+} |
+ |
+void H264DecoderTest::OnEvent(const Event& event) { |
+ VLOG(2) << "OnEvent(" << event << ")"; |
+ ASSERT_FALSE(expected_events_.empty()) << "Unexpected event"; |
+ ExpectedEvent ee = expected_events_.front(); |
+ expected_events_.pop(); |
+ ASSERT_EQ(ee.type, event.type); |
+ if (ee.handler) |
+ ASSERT_NO_FATAL_FAILURE(ee.handler(event)); |
+} |
+ |
+void H264DecoderTest::ExpectEvent(Event::Type type, EventHandler handler) { |
Pawel Osciak
2017/03/23 08:34:20
Should this take ownership of handler here and whe
Owen Lin
2017/06/21 07:37:29
I did some code study I think
we should pass by r
|
+ expected_events_.push({type, handler}); |
+} |
+ |
+void H264DecoderTest::ExpectOutputPictureWithPoc(int expected_poc) { |
+ ExpectEvent(Event::OUTPUT_PICTURE, [expected_poc](const Event& e) { |
+ auto event = static_cast<const OutputPictureEvent&>(e); |
+ EXPECT_EQ(expected_poc, event.pic_order_cnt); |
+ }); |
+} |
+ |
+// Test Cases |
+ |
+TEST_F(H264DecoderTest, DecodeSingleFrame) { |
+ ExpectEvent(Event::ALLOCATE_NEW_SURFACES, [&](const Event&) { |
+ EXPECT_EQ(decoder_->GetPicSize(), gfx::Size(320, 192)); |
Pawel Osciak
2017/03/23 08:34:20
Perhaps have another specialization of Event for A
kcwu
2017/03/23 08:54:33
Please swap the arguments.
They are read as EXPECT
Owen Lin
2017/06/21 07:37:29
Done.
Owen Lin
2017/06/21 07:37:29
Done.
|
+ }); |
+ |
+ ExpectEvent(Event::RAN_OUT_OF_SURFACES, |
+ [&](const Event&) { accelerator_->SetNewPictureQuota(1); }); |
+ |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectEvent(Event::OUTPUT_PICTURE); |
+ |
+ ASSERT_NO_FATAL_FAILURE(FeedData({kBaselineFrame0})); |
+ ASSERT_TRUE(decoder_->Flush()); |
+ |
+ EXPECT_EQ(0u, accelerator_->GetNewPictureQuota()); |
+ EXPECT_EQ(0u, GetNumberOfExpectedEvents()); |
+} |
+ |
+TEST_F(H264DecoderTest, SkipNoneIDRFrames) { |
+ ExpectEvent(Event::ALLOCATE_NEW_SURFACES, [&](const Event&) { |
+ EXPECT_EQ(decoder_->GetPicSize(), gfx::Size(320, 192)); |
kcwu
2017/03/23 08:54:33
Please swap the arguments.
They are read as EXPECT
Owen Lin
2017/06/21 07:37:29
Done.
|
+ }); |
+ |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(0); |
+ |
+ accelerator_->SetNewPictureQuota(1); |
+ ASSERT_NO_FATAL_FAILURE(FeedData({ |
+ kBaselineFrame1, kBaselineFrame2, kBaselineFrame0, |
+ })); |
+ ASSERT_TRUE(decoder_->Flush()); |
+ |
+ EXPECT_EQ(0u, accelerator_->GetNewPictureQuota()); |
+ EXPECT_EQ(0u, GetNumberOfExpectedEvents()); |
+} |
+ |
+TEST_F(H264DecoderTest, DecodeProfileBaseline) { |
+ accelerator_->SetNewPictureQuota(4); |
Pawel Osciak
2017/03/23 08:34:21
Should we perhaps SetNewPictureQuota() in the ALLO
Owen Lin
2017/06/21 07:37:29
I would prefer we focus on one thing we are testin
Pawel Osciak
2017/06/23 02:07:34
Acknowledged.
|
+ ExpectEvent(Event::ALLOCATE_NEW_SURFACES); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(0); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(2); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(4); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(6); |
+ |
+ ASSERT_NO_FATAL_FAILURE(FeedData({ |
+ kBaselineFrame0, kBaselineFrame1, kBaselineFrame2, kBaselineFrame3, |
+ })); |
+ ASSERT_TRUE(decoder_->Flush()); |
+ |
+ EXPECT_EQ(0u, accelerator_->GetNewPictureQuota()); |
+ EXPECT_EQ(0u, GetNumberOfExpectedEvents()); |
+} |
+ |
+TEST_F(H264DecoderTest, DecodeProfileHigh) { |
+ accelerator_->SetNewPictureQuota(4); |
+ ExpectEvent(Event::ALLOCATE_NEW_SURFACES); |
+ |
+ // Two pictures will be kept in DPB for reordering. The first picture should |
+ // be outputted after feeding the third frame. |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(0); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(2); |
+ ExpectOutputPictureWithPoc(4); |
+ ExpectOutputPictureWithPoc(6); |
+ |
+ ASSERT_NO_FATAL_FAILURE(FeedData({ |
+ kHighFrame0, kHighFrame1, kHighFrame2, kHighFrame3, |
+ })); |
+ ASSERT_TRUE(decoder_->Flush()); |
+ |
+ EXPECT_EQ(0u, accelerator_->GetNewPictureQuota()); |
+ EXPECT_EQ(0u, GetNumberOfExpectedEvents()); |
+} |
+ |
+TEST_F(H264DecoderTest, SwitchBaselineToHigh) { |
+ accelerator_->SetNewPictureQuota(5); |
+ |
+ ExpectEvent(Event::ALLOCATE_NEW_SURFACES); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(0); |
+ ExpectEvent(Event::ALLOCATE_NEW_SURFACES); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(0); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(2); |
+ ExpectOutputPictureWithPoc(4); |
+ ExpectOutputPictureWithPoc(6); |
+ |
+ ASSERT_NO_FATAL_FAILURE(FeedData({ |
+ kBaselineFrame0, kHighFrame0, kHighFrame1, kHighFrame2, kHighFrame3, |
+ })); |
+ ASSERT_TRUE(decoder_->Flush()); |
+ |
+ EXPECT_EQ(0u, accelerator_->GetNewPictureQuota()); |
+ EXPECT_EQ(0u, GetNumberOfExpectedEvents()); |
+} |
+ |
+TEST_F(H264DecoderTest, SwitchHighToBaseline) { |
+ accelerator_->SetNewPictureQuota(5); |
+ |
+ ExpectEvent(Event::ALLOCATE_NEW_SURFACES); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(0); |
+ ExpectEvent(Event::ALLOCATE_NEW_SURFACES); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(0); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(2); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(4); |
+ ExpectEvent(Event::SUBMIT_DECODE); |
+ ExpectOutputPictureWithPoc(6); |
+ |
+ ASSERT_NO_FATAL_FAILURE(FeedData({ |
+ kHighFrame0, kBaselineFrame0, kBaselineFrame1, kBaselineFrame2, |
+ kBaselineFrame3, |
+ })); |
+ ASSERT_TRUE(decoder_->Flush()); |
+ |
+ EXPECT_EQ(0u, accelerator_->GetNewPictureQuota()); |
+ EXPECT_EQ(0u, GetNumberOfExpectedEvents()); |
+} |
+ |
+} // namespace |
+} // namespace media |