Refactor SimulcastTestUtility into SimulcastTestFixture{,Impl}
This will allow exposing the interface to downstream users that
want to test VP8 simulcast. No functional changes to the tests
themselves are expected.
Bug: webrtc:9281
Change-Id: I4128b8f35a4412c5b330cf55c8dc0e173d4570da
Reviewed-on: https://webrtc-review.googlesource.com/77361
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23469}
diff --git a/modules/video_coding/BUILD.gn b/modules/video_coding/BUILD.gn
index 5e5e8c3..875c46f 100644
--- a/modules/video_coding/BUILD.gn
+++ b/modules/video_coding/BUILD.gn
@@ -549,10 +549,11 @@
}
}
- rtc_source_set("simulcast_test_utility") {
+ rtc_source_set("simulcast_test_fixture_impl") {
testonly = true
sources = [
- "codecs/vp8/simulcast_test_utility.h",
+ "codecs/vp8/simulcast_test_fixture_impl.cc",
+ "codecs/vp8/simulcast_test_fixture_impl.h",
]
if (!build_with_chromium && is_clang) {
@@ -565,8 +566,11 @@
":video_codec_interface",
":video_coding",
":webrtc_vp8_helpers",
+ "../../:webrtc_common",
+ "../../api:simulcast_test_fixture_api",
"../../api/video:video_frame",
"../../api/video:video_frame_i420",
+ "../../api/video_codecs:video_codecs_api",
"../../common_video:common_video",
"../../rtc_base:checks",
"../../rtc_base:rtc_base_approved",
@@ -767,8 +771,8 @@
"codecs/test/videocodec_test_stats_impl_unittest.cc",
"codecs/test/videoprocessor_unittest.cc",
"codecs/vp8/default_temporal_layers_unittest.cc",
+ "codecs/vp8/libvpx_vp8_simulcast_test.cc",
"codecs/vp8/screenshare_layers_unittest.cc",
- "codecs/vp8/simulcast_unittest.cc",
"codecs/vp9/svc_config_unittest.cc",
"codecs/vp9/svc_rate_allocator_unittest.cc",
"decoding_state_unittest.cc",
@@ -809,7 +813,6 @@
":codec_globals_headers",
":encoded_frame",
":mock_headers",
- ":simulcast_test_utility",
":video_codec_interface",
":video_codecs_test_framework",
":video_coding",
@@ -823,6 +826,8 @@
"..:module_api",
"../..:webrtc_common",
"../../:typedefs",
+ "../../api:create_simulcast_test_fixture_api",
+ "../../api:simulcast_test_fixture_api",
"../../api:videocodec_test_fixture_api",
"../../api/video:video_frame",
"../../api/video:video_frame_i420",
@@ -842,6 +847,7 @@
"../../system_wrappers:metrics_default",
"../../test:field_trial",
"../../test:fileutils",
+ "../../test:test_common",
"../../test:test_support",
"../../test:video_test_common",
"../../test:video_test_support",
diff --git a/modules/video_coding/codecs/vp8/libvpx_vp8_simulcast_test.cc b/modules/video_coding/codecs/vp8/libvpx_vp8_simulcast_test.cc
new file mode 100644
index 0000000..9ecb9cf
--- /dev/null
+++ b/modules/video_coding/codecs/vp8/libvpx_vp8_simulcast_test.cc
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2014 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 <memory>
+
+#include "api/test/create_simulcast_test_fixture.h"
+#include "api/test/simulcast_test_fixture.h"
+#include "modules/video_coding/codecs/vp8/include/vp8.h"
+#include "rtc_base/ptr_util.h"
+#include "test/function_video_decoder_factory.h"
+#include "test/function_video_encoder_factory.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace test {
+
+namespace {
+std::unique_ptr<SimulcastTestFixture> CreateSpecificSimulcastTestFixture() {
+ std::unique_ptr<VideoEncoderFactory> encoder_factory =
+ rtc::MakeUnique<FunctionVideoEncoderFactory>(
+ []() { return VP8Encoder::Create(); });
+ std::unique_ptr<VideoDecoderFactory> decoder_factory =
+ rtc::MakeUnique<FunctionVideoDecoderFactory>(
+ []() { return VP8Decoder::Create(); });
+ return CreateSimulcastTestFixture(std::move(encoder_factory),
+ std::move(decoder_factory));
+}
+} // namespace
+
+TEST(LibvpxVp8SimulcastTest, TestKeyFrameRequestsOnAllStreams) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestKeyFrameRequestsOnAllStreams();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestPaddingAllStreams) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestPaddingAllStreams();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestPaddingTwoStreams) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestPaddingTwoStreams();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestPaddingTwoStreamsOneMaxedOut) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestPaddingTwoStreamsOneMaxedOut();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestPaddingOneStream) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestPaddingOneStream();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestPaddingOneStreamTwoMaxedOut) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestPaddingOneStreamTwoMaxedOut();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestSendAllStreams) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestSendAllStreams();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestDisablingStreams) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestDisablingStreams();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestActiveStreams) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestActiveStreams();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestSwitchingToOneStream) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestSwitchingToOneStream();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestSwitchingToOneOddStream) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestSwitchingToOneOddStream();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestSwitchingToOneSmallStream) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestSwitchingToOneSmallStream();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestSpatioTemporalLayers333PatternEncoder) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestSpatioTemporalLayers333PatternEncoder();
+}
+
+TEST(LibvpxVp8SimulcastTest, TestStrideEncodeDecode) {
+ auto fixture = CreateSpecificSimulcastTestFixture();
+ fixture->TestStrideEncodeDecode();
+}
+
+} // namespace test
+} // namespace webrtc
diff --git a/modules/video_coding/codecs/vp8/simulcast_test_fixture_impl.cc b/modules/video_coding/codecs/vp8/simulcast_test_fixture_impl.cc
new file mode 100644
index 0000000..422fd48
--- /dev/null
+++ b/modules/video_coding/codecs/vp8/simulcast_test_fixture_impl.cc
@@ -0,0 +1,806 @@
+/*
+ * Copyright (c) 2014 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/codecs/vp8/simulcast_test_fixture_impl.h"
+
+#include <algorithm>
+#include <map>
+#include <memory>
+#include <vector>
+
+#include "api/video_codecs/sdp_video_format.h"
+#include "common_video/include/video_frame.h"
+#include "common_video/libyuv/include/webrtc_libyuv.h"
+#include "modules/video_coding/codecs/vp8/include/vp8.h"
+#include "modules/video_coding/codecs/vp8/temporal_layers.h"
+#include "modules/video_coding/include/video_coding_defines.h"
+#include "rtc_base/checks.h"
+#include "test/gtest.h"
+
+using ::testing::_;
+using ::testing::AllOf;
+using ::testing::Field;
+using ::testing::Return;
+
+namespace webrtc {
+namespace test {
+
+namespace {
+
+const int kDefaultWidth = 1280;
+const int kDefaultHeight = 720;
+const int kNumberOfSimulcastStreams = 3;
+const int kColorY = 66;
+const int kColorU = 22;
+const int kColorV = 33;
+const int kMaxBitrates[kNumberOfSimulcastStreams] = {150, 600, 1200};
+const int kMinBitrates[kNumberOfSimulcastStreams] = {50, 150, 600};
+const int kTargetBitrates[kNumberOfSimulcastStreams] = {100, 450, 1000};
+const int kDefaultTemporalLayerProfile[3] = {3, 3, 3};
+
+template <typename T>
+void SetExpectedValues3(T value0, T value1, T value2, T* expected_values) {
+ expected_values[0] = value0;
+ expected_values[1] = value1;
+ expected_values[2] = value2;
+}
+
+enum PlaneType {
+ kYPlane = 0,
+ kUPlane = 1,
+ kVPlane = 2,
+ kNumOfPlanes = 3,
+};
+
+} // namespace
+
+class SimulcastTestFixtureImpl::Vp8TestEncodedImageCallback
+ : public EncodedImageCallback {
+ public:
+ Vp8TestEncodedImageCallback() : picture_id_(-1) {
+ memset(temporal_layer_, -1, sizeof(temporal_layer_));
+ memset(layer_sync_, false, sizeof(layer_sync_));
+ }
+
+ ~Vp8TestEncodedImageCallback() {
+ delete[] encoded_key_frame_._buffer;
+ delete[] encoded_frame_._buffer;
+ }
+
+ virtual Result OnEncodedImage(const EncodedImage& encoded_image,
+ const CodecSpecificInfo* codec_specific_info,
+ const RTPFragmentationHeader* fragmentation) {
+ // Only store the base layer.
+ if (codec_specific_info->codecSpecific.VP8.simulcastIdx == 0) {
+ if (encoded_image._frameType == kVideoFrameKey) {
+ delete[] encoded_key_frame_._buffer;
+ encoded_key_frame_._buffer = new uint8_t[encoded_image._size];
+ encoded_key_frame_._size = encoded_image._size;
+ encoded_key_frame_._length = encoded_image._length;
+ encoded_key_frame_._frameType = kVideoFrameKey;
+ encoded_key_frame_._completeFrame = encoded_image._completeFrame;
+ memcpy(encoded_key_frame_._buffer, encoded_image._buffer,
+ encoded_image._length);
+ } else {
+ delete[] encoded_frame_._buffer;
+ encoded_frame_._buffer = new uint8_t[encoded_image._size];
+ encoded_frame_._size = encoded_image._size;
+ encoded_frame_._length = encoded_image._length;
+ memcpy(encoded_frame_._buffer, encoded_image._buffer,
+ encoded_image._length);
+ }
+ }
+ layer_sync_[codec_specific_info->codecSpecific.VP8.simulcastIdx] =
+ codec_specific_info->codecSpecific.VP8.layerSync;
+ temporal_layer_[codec_specific_info->codecSpecific.VP8.simulcastIdx] =
+ codec_specific_info->codecSpecific.VP8.temporalIdx;
+ return Result(Result::OK, encoded_image._timeStamp);
+ }
+ void GetLastEncodedFrameInfo(int* picture_id,
+ int* temporal_layer,
+ bool* layer_sync,
+ int stream) {
+ *picture_id = picture_id_;
+ *temporal_layer = temporal_layer_[stream];
+ *layer_sync = layer_sync_[stream];
+ }
+ void GetLastEncodedKeyFrame(EncodedImage* encoded_key_frame) {
+ *encoded_key_frame = encoded_key_frame_;
+ }
+ void GetLastEncodedFrame(EncodedImage* encoded_frame) {
+ *encoded_frame = encoded_frame_;
+ }
+
+ private:
+ EncodedImage encoded_key_frame_;
+ EncodedImage encoded_frame_;
+ int picture_id_;
+ int temporal_layer_[kNumberOfSimulcastStreams];
+ bool layer_sync_[kNumberOfSimulcastStreams];
+};
+
+class SimulcastTestFixtureImpl::Vp8TestDecodedImageCallback
+ : public DecodedImageCallback {
+ public:
+ Vp8TestDecodedImageCallback() : decoded_frames_(0) {}
+ int32_t Decoded(VideoFrame& decoded_image) override {
+ rtc::scoped_refptr<I420BufferInterface> i420_buffer =
+ decoded_image.video_frame_buffer()->ToI420();
+ for (int i = 0; i < decoded_image.width(); ++i) {
+ EXPECT_NEAR(kColorY, i420_buffer->DataY()[i], 1);
+ }
+
+ // TODO(mikhal): Verify the difference between U,V and the original.
+ for (int i = 0; i < i420_buffer->ChromaWidth(); ++i) {
+ EXPECT_NEAR(kColorU, i420_buffer->DataU()[i], 4);
+ EXPECT_NEAR(kColorV, i420_buffer->DataV()[i], 4);
+ }
+ decoded_frames_++;
+ return 0;
+ }
+ int32_t Decoded(VideoFrame& decoded_image, int64_t decode_time_ms) override {
+ RTC_NOTREACHED();
+ return -1;
+ }
+ void Decoded(VideoFrame& decoded_image,
+ rtc::Optional<int32_t> decode_time_ms,
+ rtc::Optional<uint8_t> qp) override {
+ Decoded(decoded_image);
+ }
+ int DecodedFrames() { return decoded_frames_; }
+
+ private:
+ int decoded_frames_;
+};
+
+namespace {
+
+void SetPlane(uint8_t* data, uint8_t value, int width, int height, int stride) {
+ for (int i = 0; i < height; i++, data += stride) {
+ // Setting allocated area to zero - setting only image size to
+ // requested values - will make it easier to distinguish between image
+ // size and frame size (accounting for stride).
+ memset(data, value, width);
+ memset(data + width, 0, stride - width);
+ }
+}
+
+// Fills in an I420Buffer from |plane_colors|.
+void CreateImage(const rtc::scoped_refptr<I420Buffer>& buffer,
+ int plane_colors[kNumOfPlanes]) {
+ SetPlane(buffer->MutableDataY(), plane_colors[0], buffer->width(),
+ buffer->height(), buffer->StrideY());
+
+ SetPlane(buffer->MutableDataU(), plane_colors[1], buffer->ChromaWidth(),
+ buffer->ChromaHeight(), buffer->StrideU());
+
+ SetPlane(buffer->MutableDataV(), plane_colors[2], buffer->ChromaWidth(),
+ buffer->ChromaHeight(), buffer->StrideV());
+}
+
+void ConfigureStream(int width,
+ int height,
+ int max_bitrate,
+ int min_bitrate,
+ int target_bitrate,
+ SimulcastStream* stream,
+ int num_temporal_layers) {
+ assert(stream);
+ stream->width = width;
+ stream->height = height;
+ stream->maxBitrate = max_bitrate;
+ stream->minBitrate = min_bitrate;
+ stream->targetBitrate = target_bitrate;
+ stream->numberOfTemporalLayers = num_temporal_layers;
+ stream->qpMax = 45;
+ stream->active = true;
+}
+
+} // namespace
+
+void SimulcastTestFixtureImpl::DefaultSettings(
+ VideoCodec* settings,
+ const int* temporal_layer_profile) {
+ RTC_CHECK(settings);
+ memset(settings, 0, sizeof(VideoCodec));
+ settings->codecType = kVideoCodecVP8;
+ // 96 to 127 dynamic payload types for video codecs
+ settings->plType = 120;
+ settings->startBitrate = 300;
+ settings->minBitrate = 30;
+ settings->maxBitrate = 0;
+ settings->maxFramerate = 30;
+ settings->width = kDefaultWidth;
+ settings->height = kDefaultHeight;
+ settings->numberOfSimulcastStreams = kNumberOfSimulcastStreams;
+ settings->active = true;
+ ASSERT_EQ(3, kNumberOfSimulcastStreams);
+ settings->timing_frame_thresholds = {kDefaultTimingFramesDelayMs,
+ kDefaultOutlierFrameSizePercent};
+ ConfigureStream(kDefaultWidth / 4, kDefaultHeight / 4, kMaxBitrates[0],
+ kMinBitrates[0], kTargetBitrates[0],
+ &settings->simulcastStream[0], temporal_layer_profile[0]);
+ ConfigureStream(kDefaultWidth / 2, kDefaultHeight / 2, kMaxBitrates[1],
+ kMinBitrates[1], kTargetBitrates[1],
+ &settings->simulcastStream[1], temporal_layer_profile[1]);
+ ConfigureStream(kDefaultWidth, kDefaultHeight, kMaxBitrates[2],
+ kMinBitrates[2], kTargetBitrates[2],
+ &settings->simulcastStream[2], temporal_layer_profile[2]);
+ settings->VP8()->denoisingOn = true;
+ settings->VP8()->automaticResizeOn = false;
+ settings->VP8()->frameDroppingOn = true;
+ settings->VP8()->keyFrameInterval = 3000;
+}
+
+SimulcastTestFixtureImpl::SimulcastTestFixtureImpl(
+ std::unique_ptr<VideoEncoderFactory> encoder_factory,
+ std::unique_ptr<VideoDecoderFactory> decoder_factory) {
+ encoder_ = encoder_factory->CreateVideoEncoder(SdpVideoFormat("VP8"));
+ decoder_ = decoder_factory->CreateVideoDecoder(SdpVideoFormat("VP8"));
+ SetUpCodec(kDefaultTemporalLayerProfile);
+}
+
+SimulcastTestFixtureImpl::~SimulcastTestFixtureImpl() {
+ encoder_->Release();
+ decoder_->Release();
+}
+
+void SimulcastTestFixtureImpl::SetUpCodec(const int* temporal_layer_profile) {
+ encoder_->RegisterEncodeCompleteCallback(&encoder_callback_);
+ decoder_->RegisterDecodeCompleteCallback(&decoder_callback_);
+ DefaultSettings(&settings_, temporal_layer_profile);
+ SetUpRateAllocator();
+ EXPECT_EQ(0, encoder_->InitEncode(&settings_, 1, 1200));
+ EXPECT_EQ(0, decoder_->InitDecode(&settings_, 1));
+ input_buffer_ = I420Buffer::Create(kDefaultWidth, kDefaultHeight);
+ input_buffer_->InitializeData();
+ input_frame_.reset(
+ new VideoFrame(input_buffer_, 0, 0, webrtc::kVideoRotation_0));
+}
+
+void SimulcastTestFixtureImpl::SetUpRateAllocator() {
+ rate_allocator_.reset(new SimulcastRateAllocator(settings_));
+}
+
+void SimulcastTestFixtureImpl::SetRates(uint32_t bitrate_kbps, uint32_t fps) {
+ encoder_->SetRateAllocation(
+ rate_allocator_->GetAllocation(bitrate_kbps * 1000, fps), fps);
+}
+
+void SimulcastTestFixtureImpl::RunActiveStreamsTest(
+ const std::vector<bool> active_streams) {
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ UpdateActiveStreams(active_streams);
+ // Set sufficient bitrate for all streams so we can test active without
+ // bitrate being an issue.
+ SetRates(kMaxBitrates[0] + kMaxBitrates[1] + kMaxBitrates[2], 30);
+
+ ExpectStreams(kVideoFrameKey, active_streams);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, active_streams);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::UpdateActiveStreams(
+ const std::vector<bool> active_streams) {
+ ASSERT_EQ(static_cast<int>(active_streams.size()), kNumberOfSimulcastStreams);
+ for (size_t i = 0; i < active_streams.size(); ++i) {
+ settings_.simulcastStream[i].active = active_streams[i];
+ }
+ // Re initialize the allocator and encoder with the new settings.
+ // TODO(bugs.webrtc.org/8807): Currently, we do a full "hard"
+ // reconfiguration of the allocator and encoder. When the video bitrate
+ // allocator has support for updating active streams without a
+ // reinitialization, we can just call that here instead.
+ SetUpRateAllocator();
+ EXPECT_EQ(0, encoder_->InitEncode(&settings_, 1, 1200));
+}
+
+void SimulcastTestFixtureImpl::ExpectStreams(
+ FrameType frame_type,
+ const std::vector<bool> expected_streams_active) {
+ ASSERT_EQ(static_cast<int>(expected_streams_active.size()),
+ kNumberOfSimulcastStreams);
+ if (expected_streams_active[0]) {
+ EXPECT_CALL(
+ encoder_callback_,
+ OnEncodedImage(
+ AllOf(Field(&EncodedImage::_frameType, frame_type),
+ Field(&EncodedImage::_encodedWidth, kDefaultWidth / 4),
+ Field(&EncodedImage::_encodedHeight, kDefaultHeight / 4)),
+ _, _))
+ .Times(1)
+ .WillRepeatedly(Return(
+ EncodedImageCallback::Result(EncodedImageCallback::Result::OK, 0)));
+ }
+ if (expected_streams_active[1]) {
+ EXPECT_CALL(
+ encoder_callback_,
+ OnEncodedImage(
+ AllOf(Field(&EncodedImage::_frameType, frame_type),
+ Field(&EncodedImage::_encodedWidth, kDefaultWidth / 2),
+ Field(&EncodedImage::_encodedHeight, kDefaultHeight / 2)),
+ _, _))
+ .Times(1)
+ .WillRepeatedly(Return(
+ EncodedImageCallback::Result(EncodedImageCallback::Result::OK, 0)));
+ }
+ if (expected_streams_active[2]) {
+ EXPECT_CALL(encoder_callback_,
+ OnEncodedImage(
+ AllOf(Field(&EncodedImage::_frameType, frame_type),
+ Field(&EncodedImage::_encodedWidth, kDefaultWidth),
+ Field(&EncodedImage::_encodedHeight, kDefaultHeight)),
+ _, _))
+ .Times(1)
+ .WillRepeatedly(Return(
+ EncodedImageCallback::Result(EncodedImageCallback::Result::OK, 0)));
+ }
+}
+
+void SimulcastTestFixtureImpl::ExpectStreams(FrameType frame_type,
+ int expected_video_streams) {
+ ASSERT_GE(expected_video_streams, 0);
+ ASSERT_LE(expected_video_streams, kNumberOfSimulcastStreams);
+ std::vector<bool> expected_streams_active(kNumberOfSimulcastStreams, false);
+ for (int i = 0; i < expected_video_streams; ++i) {
+ expected_streams_active[i] = true;
+ }
+ ExpectStreams(frame_type, expected_streams_active);
+}
+
+void SimulcastTestFixtureImpl::VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ Vp8TestEncodedImageCallback* encoder_callback,
+ const int* expected_temporal_idx,
+ const bool* expected_layer_sync,
+ int num_spatial_layers) {
+ int picture_id = -1;
+ int temporal_layer = -1;
+ bool layer_sync = false;
+ for (int i = 0; i < num_spatial_layers; i++) {
+ encoder_callback->GetLastEncodedFrameInfo(&picture_id, &temporal_layer,
+ &layer_sync, i);
+ EXPECT_EQ(expected_temporal_idx[i], temporal_layer);
+ EXPECT_EQ(expected_layer_sync[i], layer_sync);
+ }
+}
+
+// We currently expect all active streams to generate a key frame even though
+// a key frame was only requested for some of them.
+void SimulcastTestFixtureImpl::TestKeyFrameRequestsOnAllStreams() {
+ SetRates(kMaxBitrates[2], 30); // To get all three streams.
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ ExpectStreams(kVideoFrameKey, kNumberOfSimulcastStreams);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, kNumberOfSimulcastStreams);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ frame_types[0] = kVideoFrameKey;
+ ExpectStreams(kVideoFrameKey, kNumberOfSimulcastStreams);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ std::fill(frame_types.begin(), frame_types.end(), kVideoFrameDelta);
+ frame_types[1] = kVideoFrameKey;
+ ExpectStreams(kVideoFrameKey, kNumberOfSimulcastStreams);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ std::fill(frame_types.begin(), frame_types.end(), kVideoFrameDelta);
+ frame_types[2] = kVideoFrameKey;
+ ExpectStreams(kVideoFrameKey, kNumberOfSimulcastStreams);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ std::fill(frame_types.begin(), frame_types.end(), kVideoFrameDelta);
+ ExpectStreams(kVideoFrameDelta, kNumberOfSimulcastStreams);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestPaddingAllStreams() {
+ // We should always encode the base layer.
+ SetRates(kMinBitrates[0] - 1, 30);
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ ExpectStreams(kVideoFrameKey, 1);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, 1);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestPaddingTwoStreams() {
+ // We have just enough to get only the first stream and padding for two.
+ SetRates(kMinBitrates[0], 30);
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ ExpectStreams(kVideoFrameKey, 1);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, 1);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestPaddingTwoStreamsOneMaxedOut() {
+ // We are just below limit of sending second stream, so we should get
+ // the first stream maxed out (at |maxBitrate|), and padding for two.
+ SetRates(kTargetBitrates[0] + kMinBitrates[1] - 1, 30);
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ ExpectStreams(kVideoFrameKey, 1);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, 1);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestPaddingOneStream() {
+ // We have just enough to send two streams, so padding for one stream.
+ SetRates(kTargetBitrates[0] + kMinBitrates[1], 30);
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ ExpectStreams(kVideoFrameKey, 2);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, 2);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestPaddingOneStreamTwoMaxedOut() {
+ // We are just below limit of sending third stream, so we should get
+ // first stream's rate maxed out at |targetBitrate|, second at |maxBitrate|.
+ SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kMinBitrates[2] - 1, 30);
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ ExpectStreams(kVideoFrameKey, 2);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, 2);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestSendAllStreams() {
+ // We have just enough to send all streams.
+ SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kMinBitrates[2], 30);
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ ExpectStreams(kVideoFrameKey, 3);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, 3);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestDisablingStreams() {
+ // We should get three media streams.
+ SetRates(kMaxBitrates[0] + kMaxBitrates[1] + kMaxBitrates[2], 30);
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ ExpectStreams(kVideoFrameKey, 3);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ ExpectStreams(kVideoFrameDelta, 3);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ // We should only get two streams and padding for one.
+ SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kMinBitrates[2] / 2, 30);
+ ExpectStreams(kVideoFrameDelta, 2);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ // We should only get the first stream and padding for two.
+ SetRates(kTargetBitrates[0] + kMinBitrates[1] / 2, 30);
+ ExpectStreams(kVideoFrameDelta, 1);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ // We don't have enough bitrate for the thumbnail stream, but we should get
+ // it anyway with current configuration.
+ SetRates(kTargetBitrates[0] - 1, 30);
+ ExpectStreams(kVideoFrameDelta, 1);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ // We should only get two streams and padding for one.
+ SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kMinBitrates[2] / 2, 30);
+ // We get a key frame because a new stream is being enabled.
+ ExpectStreams(kVideoFrameKey, 2);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ // We should get all three streams.
+ SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kTargetBitrates[2], 30);
+ // We get a key frame because a new stream is being enabled.
+ ExpectStreams(kVideoFrameKey, 3);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestActiveStreams() {
+ // All streams on.
+ RunActiveStreamsTest({true, true, true});
+ // All streams off.
+ RunActiveStreamsTest({false, false, false});
+ // Low stream off.
+ RunActiveStreamsTest({false, true, true});
+ // Middle stream off.
+ RunActiveStreamsTest({true, false, true});
+ // High stream off.
+ RunActiveStreamsTest({true, true, false});
+ // Only low stream turned on.
+ RunActiveStreamsTest({true, false, false});
+ // Only middle stream turned on.
+ RunActiveStreamsTest({false, true, false});
+ // Only high stream turned on.
+ RunActiveStreamsTest({false, false, true});
+}
+
+void SimulcastTestFixtureImpl::SwitchingToOneStream(int width, int height) {
+ // Disable all streams except the last and set the bitrate of the last to
+ // 100 kbps. This verifies the way GTP switches to screenshare mode.
+ settings_.VP8()->numberOfTemporalLayers = 1;
+ settings_.maxBitrate = 100;
+ settings_.startBitrate = 100;
+ settings_.width = width;
+ settings_.height = height;
+ for (int i = 0; i < settings_.numberOfSimulcastStreams - 1; ++i) {
+ settings_.simulcastStream[i].maxBitrate = 0;
+ settings_.simulcastStream[i].width = settings_.width;
+ settings_.simulcastStream[i].height = settings_.height;
+ settings_.simulcastStream[i].numberOfTemporalLayers = 1;
+ }
+ // Setting input image to new resolution.
+ input_buffer_ = I420Buffer::Create(settings_.width, settings_.height);
+ input_buffer_->InitializeData();
+
+ input_frame_.reset(
+ new VideoFrame(input_buffer_, 0, 0, webrtc::kVideoRotation_0));
+
+ // The for loop above did not set the bitrate of the highest layer.
+ settings_.simulcastStream[settings_.numberOfSimulcastStreams - 1].maxBitrate =
+ 0;
+ // The highest layer has to correspond to the non-simulcast resolution.
+ settings_.simulcastStream[settings_.numberOfSimulcastStreams - 1].width =
+ settings_.width;
+ settings_.simulcastStream[settings_.numberOfSimulcastStreams - 1].height =
+ settings_.height;
+ SetUpRateAllocator();
+ EXPECT_EQ(0, encoder_->InitEncode(&settings_, 1, 1200));
+
+ // Encode one frame and verify.
+ SetRates(kMaxBitrates[0] + kMaxBitrates[1], 30);
+ std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
+ kVideoFrameDelta);
+ EXPECT_CALL(
+ encoder_callback_,
+ OnEncodedImage(AllOf(Field(&EncodedImage::_frameType, kVideoFrameKey),
+ Field(&EncodedImage::_encodedWidth, width),
+ Field(&EncodedImage::_encodedHeight, height)),
+ _, _))
+ .Times(1)
+ .WillRepeatedly(Return(
+ EncodedImageCallback::Result(EncodedImageCallback::Result::OK, 0)));
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+
+ // Switch back.
+ DefaultSettings(&settings_, kDefaultTemporalLayerProfile);
+ // Start at the lowest bitrate for enabling base stream.
+ settings_.startBitrate = kMinBitrates[0];
+ SetUpRateAllocator();
+ EXPECT_EQ(0, encoder_->InitEncode(&settings_, 1, 1200));
+ SetRates(settings_.startBitrate, 30);
+ ExpectStreams(kVideoFrameKey, 1);
+ // Resize |input_frame_| to the new resolution.
+ input_buffer_ = I420Buffer::Create(settings_.width, settings_.height);
+ input_buffer_->InitializeData();
+ input_frame_.reset(
+ new VideoFrame(input_buffer_, 0, 0, webrtc::kVideoRotation_0));
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
+}
+
+void SimulcastTestFixtureImpl::TestSwitchingToOneStream() {
+ SwitchingToOneStream(1024, 768);
+}
+
+void SimulcastTestFixtureImpl::TestSwitchingToOneOddStream() {
+ SwitchingToOneStream(1023, 769);
+}
+
+void SimulcastTestFixtureImpl::TestSwitchingToOneSmallStream() {
+ SwitchingToOneStream(4, 4);
+}
+
+// Test the layer pattern and sync flag for various spatial-temporal patterns.
+// 3-3-3 pattern: 3 temporal layers for all spatial streams, so same
+// temporal_layer id and layer_sync is expected for all streams.
+void SimulcastTestFixtureImpl::TestSpatioTemporalLayers333PatternEncoder() {
+ Vp8TestEncodedImageCallback encoder_callback;
+ encoder_->RegisterEncodeCompleteCallback(&encoder_callback);
+ SetRates(kMaxBitrates[2], 30); // To get all three streams.
+
+ int expected_temporal_idx[3] = {-1, -1, -1};
+ bool expected_layer_sync[3] = {false, false, false};
+
+ // First frame: #0.
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(0, 0, 0, expected_temporal_idx);
+ SetExpectedValues3<bool>(true, true, true, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #1.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(2, 2, 2, expected_temporal_idx);
+ SetExpectedValues3<bool>(true, true, true, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #2.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(1, 1, 1, expected_temporal_idx);
+ SetExpectedValues3<bool>(true, true, true, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #3.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(2, 2, 2, expected_temporal_idx);
+ SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #4.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(0, 0, 0, expected_temporal_idx);
+ SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #5.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(2, 2, 2, expected_temporal_idx);
+ SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+}
+
+// Test the layer pattern and sync flag for various spatial-temporal patterns.
+// 3-2-1 pattern: 3 temporal layers for lowest resolution, 2 for middle, and
+// 1 temporal layer for highest resolution.
+// For this profile, we expect the temporal index pattern to be:
+// 1st stream: 0, 2, 1, 2, ....
+// 2nd stream: 0, 1, 0, 1, ...
+// 3rd stream: -1, -1, -1, -1, ....
+// Regarding the 3rd stream, note that a stream/encoder with 1 temporal layer
+// should always have temporal layer idx set to kNoTemporalIdx = -1.
+// Since CodecSpecificInfoVP8.temporalIdx is uint8_t, this will wrap to 255.
+// TODO(marpan): Although this seems safe for now, we should fix this.
+void SimulcastTestFixtureImpl::TestSpatioTemporalLayers321PatternEncoder() {
+ int temporal_layer_profile[3] = {3, 2, 1};
+ SetUpCodec(temporal_layer_profile);
+ Vp8TestEncodedImageCallback encoder_callback;
+ encoder_->RegisterEncodeCompleteCallback(&encoder_callback);
+ SetRates(kMaxBitrates[2], 30); // To get all three streams.
+
+ int expected_temporal_idx[3] = {-1, -1, -1};
+ bool expected_layer_sync[3] = {false, false, false};
+
+ // First frame: #0.
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(0, 0, 255, expected_temporal_idx);
+ SetExpectedValues3<bool>(true, true, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #1.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(2, 1, 255, expected_temporal_idx);
+ SetExpectedValues3<bool>(true, true, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #2.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(1, 0, 255, expected_temporal_idx);
+ SetExpectedValues3<bool>(true, false, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #3.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(2, 1, 255, expected_temporal_idx);
+ SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #4.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(0, 0, 255, expected_temporal_idx);
+ SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+
+ // Next frame: #5.
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+ SetExpectedValues3<int>(2, 1, 255, expected_temporal_idx);
+ SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
+ VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
+}
+
+void SimulcastTestFixtureImpl::TestStrideEncodeDecode() {
+ Vp8TestEncodedImageCallback encoder_callback;
+ Vp8TestDecodedImageCallback decoder_callback;
+ encoder_->RegisterEncodeCompleteCallback(&encoder_callback);
+ decoder_->RegisterDecodeCompleteCallback(&decoder_callback);
+
+ SetRates(kMaxBitrates[2], 30); // To get all three streams.
+ // Setting two (possibly) problematic use cases for stride:
+ // 1. stride > width 2. stride_y != stride_uv/2
+ int stride_y = kDefaultWidth + 20;
+ int stride_uv = ((kDefaultWidth + 1) / 2) + 5;
+ input_buffer_ = I420Buffer::Create(kDefaultWidth, kDefaultHeight, stride_y,
+ stride_uv, stride_uv);
+ input_frame_.reset(
+ new VideoFrame(input_buffer_, 0, 0, webrtc::kVideoRotation_0));
+
+ // Set color.
+ int plane_offset[kNumOfPlanes];
+ plane_offset[kYPlane] = kColorY;
+ plane_offset[kUPlane] = kColorU;
+ plane_offset[kVPlane] = kColorV;
+ CreateImage(input_buffer_, plane_offset);
+
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+
+ // Change color.
+ plane_offset[kYPlane] += 1;
+ plane_offset[kUPlane] += 1;
+ plane_offset[kVPlane] += 1;
+ CreateImage(input_buffer_, plane_offset);
+ input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
+ EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
+
+ EncodedImage encoded_frame;
+ // Only encoding one frame - so will be a key frame.
+ encoder_callback.GetLastEncodedKeyFrame(&encoded_frame);
+ EXPECT_EQ(0, decoder_->Decode(encoded_frame, false, NULL, 0));
+ encoder_callback.GetLastEncodedFrame(&encoded_frame);
+ decoder_->Decode(encoded_frame, false, NULL, 0);
+ EXPECT_EQ(2, decoder_callback.DecodedFrames());
+}
+
+} // namespace test
+} // namespace webrtc
diff --git a/modules/video_coding/codecs/vp8/simulcast_test_fixture_impl.h b/modules/video_coding/codecs/vp8/simulcast_test_fixture_impl.h
new file mode 100644
index 0000000..1fcf48e
--- /dev/null
+++ b/modules/video_coding/codecs/vp8/simulcast_test_fixture_impl.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2018 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.
+ */
+
+#ifndef MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_TEST_FIXTURE_IMPL_H_
+#define MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_TEST_FIXTURE_IMPL_H_
+
+#include <memory>
+#include <vector>
+
+#include "api/test/simulcast_test_fixture.h"
+#include "api/video/i420_buffer.h"
+#include "api/video/video_frame.h"
+#include "api/video_codecs/video_decoder_factory.h"
+#include "api/video_codecs/video_encoder_factory.h"
+#include "common_types.h" // NOLINT(build/include)
+#include "modules/video_coding/codecs/vp8/simulcast_rate_allocator.h"
+#include "modules/video_coding/include/mock/mock_video_codec_interface.h"
+
+namespace webrtc {
+namespace test {
+
+class SimulcastTestFixtureImpl final : public SimulcastTestFixture {
+ public:
+ SimulcastTestFixtureImpl(
+ std::unique_ptr<VideoEncoderFactory> encoder_factory,
+ std::unique_ptr<VideoDecoderFactory> decoder_factory);
+ ~SimulcastTestFixtureImpl() final;
+
+ // Implements SimulcastTestFixture.
+ void TestKeyFrameRequestsOnAllStreams() override;
+ void TestPaddingAllStreams() override;
+ void TestPaddingTwoStreams() override;
+ void TestPaddingTwoStreamsOneMaxedOut() override;
+ void TestPaddingOneStream() override;
+ void TestPaddingOneStreamTwoMaxedOut() override;
+ void TestSendAllStreams() override;
+ void TestDisablingStreams() override;
+ void TestActiveStreams() override;
+ void TestSwitchingToOneStream() override;
+ void TestSwitchingToOneOddStream() override;
+ void TestSwitchingToOneSmallStream() override;
+ void TestSpatioTemporalLayers333PatternEncoder() override;
+ void TestSpatioTemporalLayers321PatternEncoder() override;
+ void TestStrideEncodeDecode() override;
+
+ static void DefaultSettings(VideoCodec* settings,
+ const int* temporal_layer_profile);
+
+ private:
+ class Vp8TestEncodedImageCallback;
+ class Vp8TestDecodedImageCallback;
+
+ void SetUpCodec(const int* temporal_layer_profile);
+ void SetUpRateAllocator();
+ void SetRates(uint32_t bitrate_kbps, uint32_t fps);
+ void RunActiveStreamsTest(const std::vector<bool> active_streams);
+ void UpdateActiveStreams(const std::vector<bool> active_streams);
+ void ExpectStreams(FrameType frame_type,
+ const std::vector<bool> expected_streams_active);
+ void ExpectStreams(FrameType frame_type, int expected_video_streams);
+ void VerifyTemporalIdxAndSyncForAllSpatialLayers(
+ Vp8TestEncodedImageCallback* encoder_callback,
+ const int* expected_temporal_idx,
+ const bool* expected_layer_sync,
+ int num_spatial_layers);
+ void SwitchingToOneStream(int width, int height);
+
+ std::unique_ptr<VideoEncoder> encoder_;
+ MockEncodedImageCallback encoder_callback_;
+ std::unique_ptr<VideoDecoder> decoder_;
+ MockDecodedImageCallback decoder_callback_;
+ VideoCodec settings_;
+ rtc::scoped_refptr<I420Buffer> input_buffer_;
+ std::unique_ptr<VideoFrame> input_frame_;
+ std::unique_ptr<SimulcastRateAllocator> rate_allocator_;
+};
+
+} // namespace test
+} // namespace webrtc
+
+#endif // MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_TEST_FIXTURE_IMPL_H_
diff --git a/modules/video_coding/codecs/vp8/simulcast_test_utility.h b/modules/video_coding/codecs/vp8/simulcast_test_utility.h
deleted file mode 100644
index 2ef2842..0000000
--- a/modules/video_coding/codecs/vp8/simulcast_test_utility.h
+++ /dev/null
@@ -1,813 +0,0 @@
-/*
- * Copyright (c) 2014 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.
- */
-
-#ifndef MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_TEST_UTILITY_H_
-#define MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_TEST_UTILITY_H_
-
-#include <algorithm>
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "api/video/i420_buffer.h"
-#include "api/video/video_frame.h"
-#include "common_video/include/video_frame.h"
-#include "common_video/libyuv/include/webrtc_libyuv.h"
-#include "modules/video_coding/codecs/vp8/include/vp8.h"
-#include "modules/video_coding/codecs/vp8/simulcast_rate_allocator.h"
-#include "modules/video_coding/codecs/vp8/temporal_layers.h"
-#include "modules/video_coding/include/mock/mock_video_codec_interface.h"
-#include "modules/video_coding/include/video_coding_defines.h"
-#include "rtc_base/checks.h"
-#include "test/gtest.h"
-
-using ::testing::_;
-using ::testing::AllOf;
-using ::testing::Field;
-using ::testing::Return;
-
-namespace webrtc {
-namespace testing {
-
-const int kDefaultWidth = 1280;
-const int kDefaultHeight = 720;
-const int kNumberOfSimulcastStreams = 3;
-const int kColorY = 66;
-const int kColorU = 22;
-const int kColorV = 33;
-const int kMaxBitrates[kNumberOfSimulcastStreams] = {150, 600, 1200};
-const int kMinBitrates[kNumberOfSimulcastStreams] = {50, 150, 600};
-const int kTargetBitrates[kNumberOfSimulcastStreams] = {100, 450, 1000};
-const int kDefaultTemporalLayerProfile[3] = {3, 3, 3};
-
-template <typename T>
-void SetExpectedValues3(T value0, T value1, T value2, T* expected_values) {
- expected_values[0] = value0;
- expected_values[1] = value1;
- expected_values[2] = value2;
-}
-
-enum PlaneType {
- kYPlane = 0,
- kUPlane = 1,
- kVPlane = 2,
- kNumOfPlanes = 3,
-};
-
-class Vp8TestEncodedImageCallback : public EncodedImageCallback {
- public:
- Vp8TestEncodedImageCallback() : picture_id_(-1) {
- memset(temporal_layer_, -1, sizeof(temporal_layer_));
- memset(layer_sync_, false, sizeof(layer_sync_));
- }
-
- ~Vp8TestEncodedImageCallback() {
- delete[] encoded_key_frame_._buffer;
- delete[] encoded_frame_._buffer;
- }
-
- virtual Result OnEncodedImage(const EncodedImage& encoded_image,
- const CodecSpecificInfo* codec_specific_info,
- const RTPFragmentationHeader* fragmentation) {
- // Only store the base layer.
- if (codec_specific_info->codecSpecific.VP8.simulcastIdx == 0) {
- if (encoded_image._frameType == kVideoFrameKey) {
- delete[] encoded_key_frame_._buffer;
- encoded_key_frame_._buffer = new uint8_t[encoded_image._size];
- encoded_key_frame_._size = encoded_image._size;
- encoded_key_frame_._length = encoded_image._length;
- encoded_key_frame_._frameType = kVideoFrameKey;
- encoded_key_frame_._completeFrame = encoded_image._completeFrame;
- memcpy(encoded_key_frame_._buffer, encoded_image._buffer,
- encoded_image._length);
- } else {
- delete[] encoded_frame_._buffer;
- encoded_frame_._buffer = new uint8_t[encoded_image._size];
- encoded_frame_._size = encoded_image._size;
- encoded_frame_._length = encoded_image._length;
- memcpy(encoded_frame_._buffer, encoded_image._buffer,
- encoded_image._length);
- }
- }
- layer_sync_[codec_specific_info->codecSpecific.VP8.simulcastIdx] =
- codec_specific_info->codecSpecific.VP8.layerSync;
- temporal_layer_[codec_specific_info->codecSpecific.VP8.simulcastIdx] =
- codec_specific_info->codecSpecific.VP8.temporalIdx;
- return Result(Result::OK, encoded_image._timeStamp);
- }
- void GetLastEncodedFrameInfo(int* picture_id,
- int* temporal_layer,
- bool* layer_sync,
- int stream) {
- *picture_id = picture_id_;
- *temporal_layer = temporal_layer_[stream];
- *layer_sync = layer_sync_[stream];
- }
- void GetLastEncodedKeyFrame(EncodedImage* encoded_key_frame) {
- *encoded_key_frame = encoded_key_frame_;
- }
- void GetLastEncodedFrame(EncodedImage* encoded_frame) {
- *encoded_frame = encoded_frame_;
- }
-
- private:
- EncodedImage encoded_key_frame_;
- EncodedImage encoded_frame_;
- int picture_id_;
- int temporal_layer_[kNumberOfSimulcastStreams];
- bool layer_sync_[kNumberOfSimulcastStreams];
-};
-
-class Vp8TestDecodedImageCallback : public DecodedImageCallback {
- public:
- Vp8TestDecodedImageCallback() : decoded_frames_(0) {}
- int32_t Decoded(VideoFrame& decoded_image) override {
- rtc::scoped_refptr<I420BufferInterface> i420_buffer =
- decoded_image.video_frame_buffer()->ToI420();
- for (int i = 0; i < decoded_image.width(); ++i) {
- EXPECT_NEAR(kColorY, i420_buffer->DataY()[i], 1);
- }
-
- // TODO(mikhal): Verify the difference between U,V and the original.
- for (int i = 0; i < i420_buffer->ChromaWidth(); ++i) {
- EXPECT_NEAR(kColorU, i420_buffer->DataU()[i], 4);
- EXPECT_NEAR(kColorV, i420_buffer->DataV()[i], 4);
- }
- decoded_frames_++;
- return 0;
- }
- int32_t Decoded(VideoFrame& decoded_image, int64_t decode_time_ms) override {
- RTC_NOTREACHED();
- return -1;
- }
- void Decoded(VideoFrame& decoded_image,
- rtc::Optional<int32_t> decode_time_ms,
- rtc::Optional<uint8_t> qp) override {
- Decoded(decoded_image);
- }
- int DecodedFrames() { return decoded_frames_; }
-
- private:
- int decoded_frames_;
-};
-
-class TestVp8Simulcast : public ::testing::Test {
- public:
- static void SetPlane(uint8_t* data,
- uint8_t value,
- int width,
- int height,
- int stride) {
- for (int i = 0; i < height; i++, data += stride) {
- // Setting allocated area to zero - setting only image size to
- // requested values - will make it easier to distinguish between image
- // size and frame size (accounting for stride).
- memset(data, value, width);
- memset(data + width, 0, stride - width);
- }
- }
-
- // Fills in an I420Buffer from |plane_colors|.
- static void CreateImage(const rtc::scoped_refptr<I420Buffer>& buffer,
- int plane_colors[kNumOfPlanes]) {
- SetPlane(buffer->MutableDataY(), plane_colors[0], buffer->width(),
- buffer->height(), buffer->StrideY());
-
- SetPlane(buffer->MutableDataU(), plane_colors[1], buffer->ChromaWidth(),
- buffer->ChromaHeight(), buffer->StrideU());
-
- SetPlane(buffer->MutableDataV(), plane_colors[2], buffer->ChromaWidth(),
- buffer->ChromaHeight(), buffer->StrideV());
- }
-
- static void DefaultSettings(VideoCodec* settings,
- const int* temporal_layer_profile) {
- RTC_CHECK(settings);
- memset(settings, 0, sizeof(VideoCodec));
- settings->codecType = kVideoCodecVP8;
- // 96 to 127 dynamic payload types for video codecs
- settings->plType = 120;
- settings->startBitrate = 300;
- settings->minBitrate = 30;
- settings->maxBitrate = 0;
- settings->maxFramerate = 30;
- settings->width = kDefaultWidth;
- settings->height = kDefaultHeight;
- settings->numberOfSimulcastStreams = kNumberOfSimulcastStreams;
- settings->active = true;
- ASSERT_EQ(3, kNumberOfSimulcastStreams);
- settings->timing_frame_thresholds = {kDefaultTimingFramesDelayMs,
- kDefaultOutlierFrameSizePercent};
- ConfigureStream(kDefaultWidth / 4, kDefaultHeight / 4, kMaxBitrates[0],
- kMinBitrates[0], kTargetBitrates[0],
- &settings->simulcastStream[0], temporal_layer_profile[0]);
- ConfigureStream(kDefaultWidth / 2, kDefaultHeight / 2, kMaxBitrates[1],
- kMinBitrates[1], kTargetBitrates[1],
- &settings->simulcastStream[1], temporal_layer_profile[1]);
- ConfigureStream(kDefaultWidth, kDefaultHeight, kMaxBitrates[2],
- kMinBitrates[2], kTargetBitrates[2],
- &settings->simulcastStream[2], temporal_layer_profile[2]);
- settings->VP8()->denoisingOn = true;
- settings->VP8()->automaticResizeOn = false;
- settings->VP8()->frameDroppingOn = true;
- settings->VP8()->keyFrameInterval = 3000;
- }
-
- static void ConfigureStream(int width,
- int height,
- int max_bitrate,
- int min_bitrate,
- int target_bitrate,
- SimulcastStream* stream,
- int num_temporal_layers) {
- assert(stream);
- stream->width = width;
- stream->height = height;
- stream->maxBitrate = max_bitrate;
- stream->minBitrate = min_bitrate;
- stream->targetBitrate = target_bitrate;
- stream->numberOfTemporalLayers = num_temporal_layers;
- stream->qpMax = 45;
- stream->active = true;
- }
-
- protected:
- virtual std::unique_ptr<VP8Encoder> CreateEncoder() = 0;
- virtual std::unique_ptr<VP8Decoder> CreateDecoder() = 0;
-
- void SetUp() override {
- encoder_ = CreateEncoder();
- decoder_ = CreateDecoder();
- SetUpCodec(kDefaultTemporalLayerProfile);
- }
-
- void TearDown() override {
- encoder_->Release();
- decoder_->Release();
- encoder_.reset();
- decoder_.reset();
- }
-
- void SetUpCodec(const int* temporal_layer_profile) {
- encoder_->RegisterEncodeCompleteCallback(&encoder_callback_);
- decoder_->RegisterDecodeCompleteCallback(&decoder_callback_);
- DefaultSettings(&settings_, temporal_layer_profile);
- SetUpRateAllocator();
- EXPECT_EQ(0, encoder_->InitEncode(&settings_, 1, 1200));
- EXPECT_EQ(0, decoder_->InitDecode(&settings_, 1));
- input_buffer_ = I420Buffer::Create(kDefaultWidth, kDefaultHeight);
- input_buffer_->InitializeData();
- input_frame_.reset(
- new VideoFrame(input_buffer_, 0, 0, webrtc::kVideoRotation_0));
- }
-
- void SetUpRateAllocator() {
- rate_allocator_.reset(new SimulcastRateAllocator(settings_));
- }
-
- void SetRates(uint32_t bitrate_kbps, uint32_t fps) {
- encoder_->SetRateAllocation(
- rate_allocator_->GetAllocation(bitrate_kbps * 1000, fps), fps);
- }
-
- void RunActiveStreamsTest(const std::vector<bool> active_streams) {
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- UpdateActiveStreams(active_streams);
- // Set sufficient bitrate for all streams so we can test active without
- // bitrate being an issue.
- SetRates(kMaxBitrates[0] + kMaxBitrates[1] + kMaxBitrates[2], 30);
-
- ExpectStreams(kVideoFrameKey, active_streams);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, active_streams);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void UpdateActiveStreams(const std::vector<bool> active_streams) {
- ASSERT_EQ(static_cast<int>(active_streams.size()),
- kNumberOfSimulcastStreams);
- for (size_t i = 0; i < active_streams.size(); ++i) {
- settings_.simulcastStream[i].active = active_streams[i];
- }
- // Re initialize the allocator and encoder with the new settings.
- // TODO(bugs.webrtc.org/8807): Currently, we do a full "hard"
- // reconfiguration of the allocator and encoder. When the video bitrate
- // allocator has support for updating active streams without a
- // reinitialization, we can just call that here instead.
- SetUpRateAllocator();
- EXPECT_EQ(0, encoder_->InitEncode(&settings_, 1, 1200));
- }
-
- void ExpectStreams(FrameType frame_type,
- const std::vector<bool> expected_streams_active) {
- ASSERT_EQ(static_cast<int>(expected_streams_active.size()),
- kNumberOfSimulcastStreams);
- if (expected_streams_active[0]) {
- EXPECT_CALL(
- encoder_callback_,
- OnEncodedImage(
- AllOf(Field(&EncodedImage::_frameType, frame_type),
- Field(&EncodedImage::_encodedWidth, kDefaultWidth / 4),
- Field(&EncodedImage::_encodedHeight, kDefaultHeight / 4)),
- _, _))
- .Times(1)
- .WillRepeatedly(Return(EncodedImageCallback::Result(
- EncodedImageCallback::Result::OK, 0)));
- }
- if (expected_streams_active[1]) {
- EXPECT_CALL(
- encoder_callback_,
- OnEncodedImage(
- AllOf(Field(&EncodedImage::_frameType, frame_type),
- Field(&EncodedImage::_encodedWidth, kDefaultWidth / 2),
- Field(&EncodedImage::_encodedHeight, kDefaultHeight / 2)),
- _, _))
- .Times(1)
- .WillRepeatedly(Return(EncodedImageCallback::Result(
- EncodedImageCallback::Result::OK, 0)));
- }
- if (expected_streams_active[2]) {
- EXPECT_CALL(
- encoder_callback_,
- OnEncodedImage(
- AllOf(Field(&EncodedImage::_frameType, frame_type),
- Field(&EncodedImage::_encodedWidth, kDefaultWidth),
- Field(&EncodedImage::_encodedHeight, kDefaultHeight)),
- _, _))
- .Times(1)
- .WillRepeatedly(Return(EncodedImageCallback::Result(
- EncodedImageCallback::Result::OK, 0)));
- }
- }
-
- void ExpectStreams(FrameType frame_type, int expected_video_streams) {
- ASSERT_GE(expected_video_streams, 0);
- ASSERT_LE(expected_video_streams, kNumberOfSimulcastStreams);
- std::vector<bool> expected_streams_active(kNumberOfSimulcastStreams, false);
- for (int i = 0; i < expected_video_streams; ++i) {
- expected_streams_active[i] = true;
- }
- ExpectStreams(frame_type, expected_streams_active);
- }
-
- void VerifyTemporalIdxAndSyncForAllSpatialLayers(
- Vp8TestEncodedImageCallback* encoder_callback,
- const int* expected_temporal_idx,
- const bool* expected_layer_sync,
- int num_spatial_layers) {
- int picture_id = -1;
- int temporal_layer = -1;
- bool layer_sync = false;
- for (int i = 0; i < num_spatial_layers; i++) {
- encoder_callback->GetLastEncodedFrameInfo(&picture_id, &temporal_layer,
- &layer_sync, i);
- EXPECT_EQ(expected_temporal_idx[i], temporal_layer);
- EXPECT_EQ(expected_layer_sync[i], layer_sync);
- }
- }
-
- // We currently expect all active streams to generate a key frame even though
- // a key frame was only requested for some of them.
- void TestKeyFrameRequestsOnAllStreams() {
- SetRates(kMaxBitrates[2], 30); // To get all three streams.
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- ExpectStreams(kVideoFrameKey, kNumberOfSimulcastStreams);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, kNumberOfSimulcastStreams);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- frame_types[0] = kVideoFrameKey;
- ExpectStreams(kVideoFrameKey, kNumberOfSimulcastStreams);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- std::fill(frame_types.begin(), frame_types.end(), kVideoFrameDelta);
- frame_types[1] = kVideoFrameKey;
- ExpectStreams(kVideoFrameKey, kNumberOfSimulcastStreams);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- std::fill(frame_types.begin(), frame_types.end(), kVideoFrameDelta);
- frame_types[2] = kVideoFrameKey;
- ExpectStreams(kVideoFrameKey, kNumberOfSimulcastStreams);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- std::fill(frame_types.begin(), frame_types.end(), kVideoFrameDelta);
- ExpectStreams(kVideoFrameDelta, kNumberOfSimulcastStreams);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestPaddingAllStreams() {
- // We should always encode the base layer.
- SetRates(kMinBitrates[0] - 1, 30);
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- ExpectStreams(kVideoFrameKey, 1);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, 1);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestPaddingTwoStreams() {
- // We have just enough to get only the first stream and padding for two.
- SetRates(kMinBitrates[0], 30);
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- ExpectStreams(kVideoFrameKey, 1);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, 1);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestPaddingTwoStreamsOneMaxedOut() {
- // We are just below limit of sending second stream, so we should get
- // the first stream maxed out (at |maxBitrate|), and padding for two.
- SetRates(kTargetBitrates[0] + kMinBitrates[1] - 1, 30);
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- ExpectStreams(kVideoFrameKey, 1);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, 1);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestPaddingOneStream() {
- // We have just enough to send two streams, so padding for one stream.
- SetRates(kTargetBitrates[0] + kMinBitrates[1], 30);
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- ExpectStreams(kVideoFrameKey, 2);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, 2);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestPaddingOneStreamTwoMaxedOut() {
- // We are just below limit of sending third stream, so we should get
- // first stream's rate maxed out at |targetBitrate|, second at |maxBitrate|.
- SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kMinBitrates[2] - 1, 30);
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- ExpectStreams(kVideoFrameKey, 2);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, 2);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestSendAllStreams() {
- // We have just enough to send all streams.
- SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kMinBitrates[2], 30);
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- ExpectStreams(kVideoFrameKey, 3);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, 3);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestDisablingStreams() {
- // We should get three media streams.
- SetRates(kMaxBitrates[0] + kMaxBitrates[1] + kMaxBitrates[2], 30);
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- ExpectStreams(kVideoFrameKey, 3);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- ExpectStreams(kVideoFrameDelta, 3);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- // We should only get two streams and padding for one.
- SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kMinBitrates[2] / 2, 30);
- ExpectStreams(kVideoFrameDelta, 2);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- // We should only get the first stream and padding for two.
- SetRates(kTargetBitrates[0] + kMinBitrates[1] / 2, 30);
- ExpectStreams(kVideoFrameDelta, 1);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- // We don't have enough bitrate for the thumbnail stream, but we should get
- // it anyway with current configuration.
- SetRates(kTargetBitrates[0] - 1, 30);
- ExpectStreams(kVideoFrameDelta, 1);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- // We should only get two streams and padding for one.
- SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kMinBitrates[2] / 2, 30);
- // We get a key frame because a new stream is being enabled.
- ExpectStreams(kVideoFrameKey, 2);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- // We should get all three streams.
- SetRates(kTargetBitrates[0] + kTargetBitrates[1] + kTargetBitrates[2], 30);
- // We get a key frame because a new stream is being enabled.
- ExpectStreams(kVideoFrameKey, 3);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestActiveStreams() {
- // All streams on.
- RunActiveStreamsTest({true, true, true});
- // All streams off.
- RunActiveStreamsTest({false, false, false});
- // Low stream off.
- RunActiveStreamsTest({false, true, true});
- // Middle stream off.
- RunActiveStreamsTest({true, false, true});
- // High stream off.
- RunActiveStreamsTest({true, true, false});
- // Only low stream turned on.
- RunActiveStreamsTest({true, false, false});
- // Only middle stream turned on.
- RunActiveStreamsTest({false, true, false});
- // Only high stream turned on.
- RunActiveStreamsTest({false, false, true});
- }
-
- void SwitchingToOneStream(int width, int height) {
- // Disable all streams except the last and set the bitrate of the last to
- // 100 kbps. This verifies the way GTP switches to screenshare mode.
- settings_.VP8()->numberOfTemporalLayers = 1;
- settings_.maxBitrate = 100;
- settings_.startBitrate = 100;
- settings_.width = width;
- settings_.height = height;
- for (int i = 0; i < settings_.numberOfSimulcastStreams - 1; ++i) {
- settings_.simulcastStream[i].maxBitrate = 0;
- settings_.simulcastStream[i].width = settings_.width;
- settings_.simulcastStream[i].height = settings_.height;
- settings_.simulcastStream[i].numberOfTemporalLayers = 1;
- }
- // Setting input image to new resolution.
- input_buffer_ = I420Buffer::Create(settings_.width, settings_.height);
- input_buffer_->InitializeData();
-
- input_frame_.reset(
- new VideoFrame(input_buffer_, 0, 0, webrtc::kVideoRotation_0));
-
- // The for loop above did not set the bitrate of the highest layer.
- settings_.simulcastStream[settings_.numberOfSimulcastStreams - 1]
- .maxBitrate = 0;
- // The highest layer has to correspond to the non-simulcast resolution.
- settings_.simulcastStream[settings_.numberOfSimulcastStreams - 1].width =
- settings_.width;
- settings_.simulcastStream[settings_.numberOfSimulcastStreams - 1].height =
- settings_.height;
- SetUpRateAllocator();
- EXPECT_EQ(0, encoder_->InitEncode(&settings_, 1, 1200));
-
- // Encode one frame and verify.
- SetRates(kMaxBitrates[0] + kMaxBitrates[1], 30);
- std::vector<FrameType> frame_types(kNumberOfSimulcastStreams,
- kVideoFrameDelta);
- EXPECT_CALL(
- encoder_callback_,
- OnEncodedImage(AllOf(Field(&EncodedImage::_frameType, kVideoFrameKey),
- Field(&EncodedImage::_encodedWidth, width),
- Field(&EncodedImage::_encodedHeight, height)),
- _, _))
- .Times(1)
- .WillRepeatedly(Return(
- EncodedImageCallback::Result(EncodedImageCallback::Result::OK, 0)));
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
-
- // Switch back.
- DefaultSettings(&settings_, kDefaultTemporalLayerProfile);
- // Start at the lowest bitrate for enabling base stream.
- settings_.startBitrate = kMinBitrates[0];
- SetUpRateAllocator();
- EXPECT_EQ(0, encoder_->InitEncode(&settings_, 1, 1200));
- SetRates(settings_.startBitrate, 30);
- ExpectStreams(kVideoFrameKey, 1);
- // Resize |input_frame_| to the new resolution.
- input_buffer_ = I420Buffer::Create(settings_.width, settings_.height);
- input_buffer_->InitializeData();
- input_frame_.reset(
- new VideoFrame(input_buffer_, 0, 0, webrtc::kVideoRotation_0));
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, &frame_types));
- }
-
- void TestSwitchingToOneStream() { SwitchingToOneStream(1024, 768); }
-
- void TestSwitchingToOneOddStream() { SwitchingToOneStream(1023, 769); }
-
- void TestSwitchingToOneSmallStream() { SwitchingToOneStream(4, 4); }
-
- // Test the layer pattern and sync flag for various spatial-temporal patterns.
- // 3-3-3 pattern: 3 temporal layers for all spatial streams, so same
- // temporal_layer id and layer_sync is expected for all streams.
- void TestSaptioTemporalLayers333PatternEncoder() {
- Vp8TestEncodedImageCallback encoder_callback;
- encoder_->RegisterEncodeCompleteCallback(&encoder_callback);
- SetRates(kMaxBitrates[2], 30); // To get all three streams.
-
- int expected_temporal_idx[3] = {-1, -1, -1};
- bool expected_layer_sync[3] = {false, false, false};
-
- // First frame: #0.
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(0, 0, 0, expected_temporal_idx);
- SetExpectedValues3<bool>(true, true, true, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #1.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(2, 2, 2, expected_temporal_idx);
- SetExpectedValues3<bool>(true, true, true, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #2.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(1, 1, 1, expected_temporal_idx);
- SetExpectedValues3<bool>(true, true, true, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #3.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(2, 2, 2, expected_temporal_idx);
- SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #4.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(0, 0, 0, expected_temporal_idx);
- SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #5.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(2, 2, 2, expected_temporal_idx);
- SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
- }
-
- // Test the layer pattern and sync flag for various spatial-temporal patterns.
- // 3-2-1 pattern: 3 temporal layers for lowest resolution, 2 for middle, and
- // 1 temporal layer for highest resolution.
- // For this profile, we expect the temporal index pattern to be:
- // 1st stream: 0, 2, 1, 2, ....
- // 2nd stream: 0, 1, 0, 1, ...
- // 3rd stream: -1, -1, -1, -1, ....
- // Regarding the 3rd stream, note that a stream/encoder with 1 temporal layer
- // should always have temporal layer idx set to kNoTemporalIdx = -1.
- // Since CodecSpecificInfoVP8.temporalIdx is uint8_t, this will wrap to 255.
- // TODO(marpan): Although this seems safe for now, we should fix this.
- void TestSpatioTemporalLayers321PatternEncoder() {
- int temporal_layer_profile[3] = {3, 2, 1};
- SetUpCodec(temporal_layer_profile);
- Vp8TestEncodedImageCallback encoder_callback;
- encoder_->RegisterEncodeCompleteCallback(&encoder_callback);
- SetRates(kMaxBitrates[2], 30); // To get all three streams.
-
- int expected_temporal_idx[3] = {-1, -1, -1};
- bool expected_layer_sync[3] = {false, false, false};
-
- // First frame: #0.
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(0, 0, 255, expected_temporal_idx);
- SetExpectedValues3<bool>(true, true, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #1.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(2, 1, 255, expected_temporal_idx);
- SetExpectedValues3<bool>(true, true, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #2.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(1, 0, 255, expected_temporal_idx);
- SetExpectedValues3<bool>(true, false, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #3.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(2, 1, 255, expected_temporal_idx);
- SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #4.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(0, 0, 255, expected_temporal_idx);
- SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
-
- // Next frame: #5.
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
- SetExpectedValues3<int>(2, 1, 255, expected_temporal_idx);
- SetExpectedValues3<bool>(false, false, false, expected_layer_sync);
- VerifyTemporalIdxAndSyncForAllSpatialLayers(
- &encoder_callback, expected_temporal_idx, expected_layer_sync, 3);
- }
-
- void TestStrideEncodeDecode() {
- Vp8TestEncodedImageCallback encoder_callback;
- Vp8TestDecodedImageCallback decoder_callback;
- encoder_->RegisterEncodeCompleteCallback(&encoder_callback);
- decoder_->RegisterDecodeCompleteCallback(&decoder_callback);
-
- SetRates(kMaxBitrates[2], 30); // To get all three streams.
- // Setting two (possibly) problematic use cases for stride:
- // 1. stride > width 2. stride_y != stride_uv/2
- int stride_y = kDefaultWidth + 20;
- int stride_uv = ((kDefaultWidth + 1) / 2) + 5;
- input_buffer_ = I420Buffer::Create(kDefaultWidth, kDefaultHeight, stride_y,
- stride_uv, stride_uv);
- input_frame_.reset(
- new VideoFrame(input_buffer_, 0, 0, webrtc::kVideoRotation_0));
-
- // Set color.
- int plane_offset[kNumOfPlanes];
- plane_offset[kYPlane] = kColorY;
- plane_offset[kUPlane] = kColorU;
- plane_offset[kVPlane] = kColorV;
- CreateImage(input_buffer_, plane_offset);
-
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
-
- // Change color.
- plane_offset[kYPlane] += 1;
- plane_offset[kUPlane] += 1;
- plane_offset[kVPlane] += 1;
- CreateImage(input_buffer_, plane_offset);
- input_frame_->set_timestamp(input_frame_->timestamp() + 3000);
- EXPECT_EQ(0, encoder_->Encode(*input_frame_, NULL, NULL));
-
- EncodedImage encoded_frame;
- // Only encoding one frame - so will be a key frame.
- encoder_callback.GetLastEncodedKeyFrame(&encoded_frame);
- EXPECT_EQ(0, decoder_->Decode(encoded_frame, false, NULL, 0));
- encoder_callback.GetLastEncodedFrame(&encoded_frame);
- decoder_->Decode(encoded_frame, false, NULL, 0);
- EXPECT_EQ(2, decoder_callback.DecodedFrames());
- }
-
- std::unique_ptr<VP8Encoder> encoder_;
- MockEncodedImageCallback encoder_callback_;
- std::unique_ptr<VP8Decoder> decoder_;
- MockDecodedImageCallback decoder_callback_;
- VideoCodec settings_;
- rtc::scoped_refptr<I420Buffer> input_buffer_;
- std::unique_ptr<VideoFrame> input_frame_;
- std::unique_ptr<SimulcastRateAllocator> rate_allocator_;
-};
-
-} // namespace testing
-} // namespace webrtc
-
-#endif // MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_TEST_UTILITY_H_
diff --git a/modules/video_coding/codecs/vp8/simulcast_unittest.cc b/modules/video_coding/codecs/vp8/simulcast_unittest.cc
deleted file mode 100644
index f72d880..0000000
--- a/modules/video_coding/codecs/vp8/simulcast_unittest.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (c) 2014 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/codecs/vp8/simulcast_test_utility.h"
-
-namespace webrtc {
-namespace testing {
-
-class TestVp8Impl : public TestVp8Simulcast {
- protected:
- std::unique_ptr<VP8Encoder> CreateEncoder() override {
- return VP8Encoder::Create();
- }
- std::unique_ptr<VP8Decoder> CreateDecoder() override {
- return VP8Decoder::Create();
- }
-};
-
-TEST_F(TestVp8Impl, TestKeyFrameRequestsOnAllStreams) {
- TestVp8Simulcast::TestKeyFrameRequestsOnAllStreams();
-}
-
-TEST_F(TestVp8Impl, TestPaddingAllStreams) {
- TestVp8Simulcast::TestPaddingAllStreams();
-}
-
-TEST_F(TestVp8Impl, TestPaddingTwoStreams) {
- TestVp8Simulcast::TestPaddingTwoStreams();
-}
-
-TEST_F(TestVp8Impl, TestPaddingTwoStreamsOneMaxedOut) {
- TestVp8Simulcast::TestPaddingTwoStreamsOneMaxedOut();
-}
-
-TEST_F(TestVp8Impl, TestPaddingOneStream) {
- TestVp8Simulcast::TestPaddingOneStream();
-}
-
-TEST_F(TestVp8Impl, TestPaddingOneStreamTwoMaxedOut) {
- TestVp8Simulcast::TestPaddingOneStreamTwoMaxedOut();
-}
-
-TEST_F(TestVp8Impl, TestSendAllStreams) {
- TestVp8Simulcast::TestSendAllStreams();
-}
-
-TEST_F(TestVp8Impl, TestDisablingStreams) {
- TestVp8Simulcast::TestDisablingStreams();
-}
-
-TEST_F(TestVp8Impl, TestActiveStreams) {
- TestVp8Simulcast::TestActiveStreams();
-}
-
-TEST_F(TestVp8Impl, TestSwitchingToOneStream) {
- TestVp8Simulcast::TestSwitchingToOneStream();
-}
-
-TEST_F(TestVp8Impl, TestSwitchingToOneOddStream) {
- TestVp8Simulcast::TestSwitchingToOneOddStream();
-}
-
-TEST_F(TestVp8Impl, TestSwitchingToOneSmallStream) {
- TestVp8Simulcast::TestSwitchingToOneSmallStream();
-}
-
-TEST_F(TestVp8Impl, TestSaptioTemporalLayers333PatternEncoder) {
- TestVp8Simulcast::TestSaptioTemporalLayers333PatternEncoder();
-}
-
-TEST_F(TestVp8Impl, TestStrideEncodeDecode) {
- TestVp8Simulcast::TestStrideEncodeDecode();
-}
-} // namespace testing
-} // namespace webrtc