| /* |
| * Copyright (c) 2012 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 <stdio.h> |
| |
| #include <memory> |
| |
| #include "api/test/mock_video_decoder.h" |
| #include "api/test/mock_video_encoder.h" |
| #include "api/video_codecs/vp8_temporal_layers.h" |
| #include "common_video/libyuv/include/webrtc_libyuv.h" |
| #include "common_video/test/utilities.h" |
| #include "modules/video_coding/codecs/test/video_codec_unittest.h" |
| #include "modules/video_coding/codecs/vp8/include/vp8.h" |
| #include "modules/video_coding/codecs/vp8/libvpx_vp8_encoder.h" |
| #include "modules/video_coding/codecs/vp8/test/mock_libvpx_interface.h" |
| #include "modules/video_coding/utility/vp8_header_parser.h" |
| #include "rtc_base/time_utils.h" |
| #include "test/field_trial.h" |
| #include "test/video_codec_settings.h" |
| |
| namespace webrtc { |
| |
| using ::testing::_; |
| using ::testing::AllOf; |
| using ::testing::ElementsAreArray; |
| using ::testing::Field; |
| using ::testing::Invoke; |
| using ::testing::NiceMock; |
| using ::testing::Return; |
| using EncoderInfo = webrtc::VideoEncoder::EncoderInfo; |
| using FramerateFractions = |
| absl::InlinedVector<uint8_t, webrtc::kMaxTemporalStreams>; |
| |
| namespace { |
| constexpr uint32_t kLegacyScreenshareTl0BitrateKbps = 200; |
| constexpr uint32_t kLegacyScreenshareTl1BitrateKbps = 1000; |
| constexpr uint32_t kInitialTimestampRtp = 123; |
| constexpr int64_t kTestNtpTimeMs = 456; |
| constexpr int64_t kInitialTimestampMs = 789; |
| constexpr int kNumCores = 1; |
| constexpr size_t kMaxPayloadSize = 1440; |
| constexpr int kDefaultMinPixelsPerFrame = 320 * 180; |
| constexpr int kWidth = 172; |
| constexpr int kHeight = 144; |
| constexpr float kFramerateFps = 30; |
| } // namespace |
| |
| class TestVp8Impl : public VideoCodecUnitTest { |
| protected: |
| std::unique_ptr<VideoEncoder> CreateEncoder() override { |
| return VP8Encoder::Create(); |
| } |
| |
| std::unique_ptr<VideoDecoder> CreateDecoder() override { |
| return VP8Decoder::Create(); |
| } |
| |
| void ModifyCodecSettings(VideoCodec* codec_settings) override { |
| webrtc::test::CodecSettings(kVideoCodecVP8, codec_settings); |
| codec_settings->width = kWidth; |
| codec_settings->height = kHeight; |
| codec_settings->VP8()->denoisingOn = true; |
| codec_settings->VP8()->frameDroppingOn = false; |
| codec_settings->VP8()->automaticResizeOn = false; |
| codec_settings->VP8()->complexity = VideoCodecComplexity::kComplexityNormal; |
| } |
| |
| void EncodeAndWaitForFrame(const VideoFrame& input_frame, |
| EncodedImage* encoded_frame, |
| CodecSpecificInfo* codec_specific_info, |
| bool keyframe = false) { |
| std::vector<VideoFrameType> frame_types; |
| if (keyframe) { |
| frame_types.emplace_back(VideoFrameType::kVideoFrameKey); |
| } else { |
| frame_types.emplace_back(VideoFrameType::kVideoFrameDelta); |
| } |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(input_frame, &frame_types)); |
| ASSERT_TRUE(WaitForEncodedFrame(encoded_frame, codec_specific_info)); |
| VerifyQpParser(*encoded_frame); |
| VideoEncoder::EncoderInfo encoder_info = encoder_->GetEncoderInfo(); |
| EXPECT_EQ("libvpx", encoder_info.implementation_name); |
| EXPECT_EQ(false, encoder_info.is_hardware_accelerated); |
| EXPECT_EQ(false, encoder_info.has_internal_source); |
| EXPECT_EQ(kVideoCodecVP8, codec_specific_info->codecType); |
| EXPECT_EQ(0, encoded_frame->SpatialIndex()); |
| } |
| |
| void EncodeAndExpectFrameWith(const VideoFrame& input_frame, |
| uint8_t temporal_idx, |
| bool keyframe = false) { |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| EncodeAndWaitForFrame(input_frame, &encoded_frame, &codec_specific_info, |
| keyframe); |
| EXPECT_EQ(temporal_idx, codec_specific_info.codecSpecific.VP8.temporalIdx); |
| } |
| |
| void VerifyQpParser(const EncodedImage& encoded_frame) const { |
| int qp; |
| EXPECT_GT(encoded_frame.size(), 0u); |
| ASSERT_TRUE(vp8::GetQp(encoded_frame.data(), encoded_frame.size(), &qp)); |
| EXPECT_EQ(encoded_frame.qp_, qp) << "Encoder QP != parsed bitstream QP."; |
| } |
| }; |
| |
| TEST_F(TestVp8Impl, SetRates) { |
| auto* const vpx = new NiceMock<MockLibvpxVp8Interface>(); |
| LibvpxVp8Encoder encoder((std::unique_ptr<LibvpxInterface>(vpx))); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder.InitEncode(&codec_settings_, 1, 1000)); |
| |
| const uint32_t kBitrateBps = 300000; |
| VideoBitrateAllocation bitrate_allocation; |
| bitrate_allocation.SetBitrate(0, 0, kBitrateBps); |
| EXPECT_CALL( |
| *vpx, |
| codec_enc_config_set( |
| _, AllOf(Field(&vpx_codec_enc_cfg_t::rc_target_bitrate, |
| kBitrateBps / 1000), |
| Field(&vpx_codec_enc_cfg_t::rc_undershoot_pct, 100u), |
| Field(&vpx_codec_enc_cfg_t::rc_overshoot_pct, 15u), |
| Field(&vpx_codec_enc_cfg_t::rc_buf_sz, 1000u), |
| Field(&vpx_codec_enc_cfg_t::rc_buf_optimal_sz, 600u), |
| Field(&vpx_codec_enc_cfg_t::rc_dropframe_thresh, 30u)))) |
| .WillOnce(Return(VPX_CODEC_OK)); |
| encoder.SetRates(VideoEncoder::RateControlParameters( |
| bitrate_allocation, static_cast<double>(codec_settings_.maxFramerate))); |
| } |
| |
| TEST_F(TestVp8Impl, DynamicSetRates) { |
| test::ScopedFieldTrials field_trials( |
| "WebRTC-VideoRateControl/vp8_dynamic_rate:true/"); |
| auto* const vpx = new NiceMock<MockLibvpxVp8Interface>(); |
| LibvpxVp8Encoder encoder((std::unique_ptr<LibvpxInterface>(vpx))); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder.InitEncode(&codec_settings_, 1, 1000)); |
| |
| const uint32_t kBitrateBps = 300000; |
| VideoEncoder::RateControlParameters rate_settings; |
| rate_settings.bitrate.SetBitrate(0, 0, kBitrateBps); |
| rate_settings.framerate_fps = |
| static_cast<double>(codec_settings_.maxFramerate); |
| |
| // Set rates with no headroom. |
| rate_settings.bandwidth_allocation = DataRate::bps(kBitrateBps); |
| EXPECT_CALL( |
| *vpx, |
| codec_enc_config_set( |
| _, AllOf(Field(&vpx_codec_enc_cfg_t::rc_target_bitrate, |
| kBitrateBps / 1000), |
| Field(&vpx_codec_enc_cfg_t::rc_undershoot_pct, 1000u), |
| Field(&vpx_codec_enc_cfg_t::rc_overshoot_pct, 0u), |
| Field(&vpx_codec_enc_cfg_t::rc_buf_sz, 100u), |
| Field(&vpx_codec_enc_cfg_t::rc_buf_optimal_sz, 30u), |
| Field(&vpx_codec_enc_cfg_t::rc_dropframe_thresh, 40u)))) |
| .WillOnce(Return(VPX_CODEC_OK)); |
| encoder.SetRates(rate_settings); |
| |
| // Set rates with max headroom. |
| rate_settings.bandwidth_allocation = DataRate::bps(kBitrateBps * 2); |
| EXPECT_CALL( |
| *vpx, codec_enc_config_set( |
| _, AllOf(Field(&vpx_codec_enc_cfg_t::rc_target_bitrate, |
| kBitrateBps / 1000), |
| Field(&vpx_codec_enc_cfg_t::rc_undershoot_pct, 100u), |
| Field(&vpx_codec_enc_cfg_t::rc_overshoot_pct, 15u), |
| Field(&vpx_codec_enc_cfg_t::rc_buf_sz, 1000u), |
| Field(&vpx_codec_enc_cfg_t::rc_buf_optimal_sz, 600u), |
| Field(&vpx_codec_enc_cfg_t::rc_dropframe_thresh, 5u)))) |
| .WillOnce(Return(VPX_CODEC_OK)); |
| encoder.SetRates(rate_settings); |
| |
| // Set rates with headroom half way. |
| rate_settings.bandwidth_allocation = DataRate::bps((3 * kBitrateBps) / 2); |
| EXPECT_CALL( |
| *vpx, |
| codec_enc_config_set( |
| _, AllOf(Field(&vpx_codec_enc_cfg_t::rc_target_bitrate, |
| kBitrateBps / 1000), |
| Field(&vpx_codec_enc_cfg_t::rc_undershoot_pct, 550u), |
| Field(&vpx_codec_enc_cfg_t::rc_overshoot_pct, 8u), |
| Field(&vpx_codec_enc_cfg_t::rc_buf_sz, 550u), |
| Field(&vpx_codec_enc_cfg_t::rc_buf_optimal_sz, 315u), |
| Field(&vpx_codec_enc_cfg_t::rc_dropframe_thresh, 23u)))) |
| .WillOnce(Return(VPX_CODEC_OK)); |
| encoder.SetRates(rate_settings); |
| } |
| |
| TEST_F(TestVp8Impl, EncodeFrameAndRelease) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, encoder_->Release()); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| EncodeAndWaitForFrame(*NextInputFrame(), &encoded_frame, |
| &codec_specific_info); |
| |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, encoder_->Release()); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_UNINITIALIZED, |
| encoder_->Encode(*NextInputFrame(), nullptr)); |
| } |
| |
| TEST_F(TestVp8Impl, InitDecode) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, decoder_->Release()); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| decoder_->InitDecode(&codec_settings_, kNumCores)); |
| } |
| |
| TEST_F(TestVp8Impl, OnEncodedImageReportsInfo) { |
| VideoFrame* input_frame = NextInputFrame(); |
| input_frame->set_timestamp(kInitialTimestampRtp); |
| input_frame->set_timestamp_us(kInitialTimestampMs * |
| rtc::kNumMicrosecsPerMillisec); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| EncodeAndWaitForFrame(*input_frame, &encoded_frame, &codec_specific_info); |
| |
| EXPECT_EQ(kInitialTimestampRtp, encoded_frame.Timestamp()); |
| EXPECT_EQ(kWidth, static_cast<int>(encoded_frame._encodedWidth)); |
| EXPECT_EQ(kHeight, static_cast<int>(encoded_frame._encodedHeight)); |
| } |
| |
| TEST_F(TestVp8Impl, DecodedQpEqualsEncodedQp) { |
| VideoFrame* input_frame = NextInputFrame(); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| EncodeAndWaitForFrame(*input_frame, &encoded_frame, &codec_specific_info); |
| |
| // First frame should be a key frame. |
| encoded_frame._frameType = VideoFrameType::kVideoFrameKey; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, decoder_->Decode(encoded_frame, false, -1)); |
| std::unique_ptr<VideoFrame> decoded_frame; |
| absl::optional<uint8_t> decoded_qp; |
| ASSERT_TRUE(WaitForDecodedFrame(&decoded_frame, &decoded_qp)); |
| ASSERT_TRUE(decoded_frame); |
| ASSERT_TRUE(decoded_qp); |
| EXPECT_GT(I420PSNR(input_frame, decoded_frame.get()), 36); |
| EXPECT_EQ(encoded_frame.qp_, *decoded_qp); |
| } |
| |
| TEST_F(TestVp8Impl, ChecksSimulcastSettings) { |
| codec_settings_.numberOfSimulcastStreams = 2; |
| // Resolutions are not in ascending order, temporal layers do not match. |
| codec_settings_.simulcastStream[0] = {kWidth, kHeight, kFramerateFps, 2, |
| 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[1] = {kWidth / 2, kHeight / 2, 30, 3, |
| 4000, 3000, 2000, 80}; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERR_SIMULCAST_PARAMETERS_NOT_SUPPORTED, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| codec_settings_.numberOfSimulcastStreams = 3; |
| // Resolutions are not in ascending order. |
| codec_settings_.simulcastStream[0] = { |
| kWidth / 2, kHeight / 2, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[1] = { |
| kWidth / 2 - 1, kHeight / 2 - 1, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[2] = {kWidth, kHeight, 30, 1, |
| 4000, 3000, 2000, 80}; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERR_SIMULCAST_PARAMETERS_NOT_SUPPORTED, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| // Resolutions are not in ascending order. |
| codec_settings_.simulcastStream[0] = {kWidth, kHeight, kFramerateFps, 1, |
| 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[1] = {kWidth, kHeight, kFramerateFps, 1, |
| 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[2] = { |
| kWidth - 1, kHeight - 1, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERR_SIMULCAST_PARAMETERS_NOT_SUPPORTED, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| // Temporal layers do not match. |
| codec_settings_.simulcastStream[0] = { |
| kWidth / 4, kHeight / 4, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[1] = { |
| kWidth / 2, kHeight / 2, kFramerateFps, 2, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[2] = {kWidth, kHeight, kFramerateFps, 3, |
| 4000, 3000, 2000, 80}; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERR_SIMULCAST_PARAMETERS_NOT_SUPPORTED, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| // Resolutions do not match codec config. |
| codec_settings_.simulcastStream[0] = { |
| kWidth / 4 + 1, kHeight / 4 + 1, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[1] = { |
| kWidth / 2 + 2, kHeight / 2 + 2, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[2] = { |
| kWidth + 4, kHeight + 4, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERR_SIMULCAST_PARAMETERS_NOT_SUPPORTED, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| // Everything fine: scaling by 2, top resolution matches video, temporal |
| // settings are the same for all layers. |
| codec_settings_.simulcastStream[0] = { |
| kWidth / 4, kHeight / 4, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[1] = { |
| kWidth / 2, kHeight / 2, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[2] = {kWidth, kHeight, kFramerateFps, 1, |
| 4000, 3000, 2000, 80}; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| // Everything fine: custom scaling, top resolution matches video, temporal |
| // settings are the same for all layers. |
| codec_settings_.simulcastStream[0] = { |
| kWidth / 4, kHeight / 4, kFramerateFps, 1, 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[1] = {kWidth, kHeight, kFramerateFps, 1, |
| 4000, 3000, 2000, 80}; |
| codec_settings_.simulcastStream[2] = {kWidth, kHeight, kFramerateFps, 1, |
| 4000, 3000, 2000, 80}; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| } |
| |
| #if defined(WEBRTC_ANDROID) |
| #define MAYBE_AlignedStrideEncodeDecode DISABLED_AlignedStrideEncodeDecode |
| #else |
| #define MAYBE_AlignedStrideEncodeDecode AlignedStrideEncodeDecode |
| #endif |
| TEST_F(TestVp8Impl, MAYBE_AlignedStrideEncodeDecode) { |
| VideoFrame* input_frame = NextInputFrame(); |
| input_frame->set_timestamp(kInitialTimestampRtp); |
| input_frame->set_timestamp_us(kInitialTimestampMs * |
| rtc::kNumMicrosecsPerMillisec); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| EncodeAndWaitForFrame(*input_frame, &encoded_frame, &codec_specific_info); |
| |
| // First frame should be a key frame. |
| encoded_frame._frameType = VideoFrameType::kVideoFrameKey; |
| encoded_frame.ntp_time_ms_ = kTestNtpTimeMs; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, decoder_->Decode(encoded_frame, false, -1)); |
| |
| std::unique_ptr<VideoFrame> decoded_frame; |
| absl::optional<uint8_t> decoded_qp; |
| ASSERT_TRUE(WaitForDecodedFrame(&decoded_frame, &decoded_qp)); |
| ASSERT_TRUE(decoded_frame); |
| // Compute PSNR on all planes (faster than SSIM). |
| EXPECT_GT(I420PSNR(input_frame, decoded_frame.get()), 36); |
| EXPECT_EQ(kInitialTimestampRtp, decoded_frame->timestamp()); |
| } |
| |
| #if defined(WEBRTC_ANDROID) |
| #define MAYBE_DecodeWithACompleteKeyFrame DISABLED_DecodeWithACompleteKeyFrame |
| #else |
| #define MAYBE_DecodeWithACompleteKeyFrame DecodeWithACompleteKeyFrame |
| #endif |
| TEST_F(TestVp8Impl, MAYBE_DecodeWithACompleteKeyFrame) { |
| VideoFrame* input_frame = NextInputFrame(); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| EncodeAndWaitForFrame(*input_frame, &encoded_frame, &codec_specific_info); |
| |
| // Setting complete to false -> should return an error. |
| encoded_frame._completeFrame = false; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR, |
| decoder_->Decode(encoded_frame, false, -1)); |
| // Setting complete back to true. Forcing a delta frame. |
| encoded_frame._frameType = VideoFrameType::kVideoFrameDelta; |
| encoded_frame._completeFrame = true; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERROR, |
| decoder_->Decode(encoded_frame, false, -1)); |
| // Now setting a key frame. |
| encoded_frame._frameType = VideoFrameType::kVideoFrameKey; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, decoder_->Decode(encoded_frame, false, -1)); |
| std::unique_ptr<VideoFrame> decoded_frame; |
| absl::optional<uint8_t> decoded_qp; |
| ASSERT_TRUE(WaitForDecodedFrame(&decoded_frame, &decoded_qp)); |
| ASSERT_TRUE(decoded_frame); |
| EXPECT_GT(I420PSNR(input_frame, decoded_frame.get()), 36); |
| } |
| |
| TEST_F(TestVp8Impl, EncoderWith2TemporalLayers) { |
| codec_settings_.VP8()->numberOfTemporalLayers = 2; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| // Temporal layer 0. |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| EncodeAndWaitForFrame(*NextInputFrame(), &encoded_frame, |
| &codec_specific_info); |
| |
| EXPECT_EQ(0, codec_specific_info.codecSpecific.VP8.temporalIdx); |
| // Temporal layer 1. |
| EncodeAndExpectFrameWith(*NextInputFrame(), 1); |
| // Temporal layer 0. |
| EncodeAndExpectFrameWith(*NextInputFrame(), 0); |
| // Temporal layer 1. |
| EncodeAndExpectFrameWith(*NextInputFrame(), 1); |
| } |
| |
| TEST_F(TestVp8Impl, ScalingDisabledIfAutomaticResizeOff) { |
| codec_settings_.VP8()->frameDroppingOn = true; |
| codec_settings_.VP8()->automaticResizeOn = false; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| VideoEncoder::ScalingSettings settings = |
| encoder_->GetEncoderInfo().scaling_settings; |
| EXPECT_FALSE(settings.thresholds.has_value()); |
| } |
| |
| TEST_F(TestVp8Impl, ScalingEnabledIfAutomaticResizeOn) { |
| codec_settings_.VP8()->frameDroppingOn = true; |
| codec_settings_.VP8()->automaticResizeOn = true; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| VideoEncoder::ScalingSettings settings = |
| encoder_->GetEncoderInfo().scaling_settings; |
| EXPECT_TRUE(settings.thresholds.has_value()); |
| EXPECT_EQ(kDefaultMinPixelsPerFrame, settings.min_pixels_per_frame); |
| } |
| |
| TEST_F(TestVp8Impl, DontDropKeyframes) { |
| // Set very high resolution to trigger overuse more easily. |
| const int kScreenWidth = 1920; |
| const int kScreenHeight = 1080; |
| |
| codec_settings_.width = kScreenWidth; |
| codec_settings_.height = kScreenHeight; |
| |
| // Screensharing has the internal frame dropper off, and instead per frame |
| // asks ScreenshareLayers to decide if it should be dropped or not. |
| codec_settings_.VP8()->frameDroppingOn = false; |
| codec_settings_.mode = VideoCodecMode::kScreensharing; |
| // ScreenshareLayers triggers on 2 temporal layers and 1000kbps max bitrate. |
| codec_settings_.VP8()->numberOfTemporalLayers = 2; |
| codec_settings_.maxBitrate = 1000; |
| |
| // Reset the frame generator with large number of squares, leading to lots of |
| // details and high probability of overshoot. |
| input_frame_generator_ = test::FrameGenerator::CreateSquareGenerator( |
| codec_settings_.width, codec_settings_.height, |
| test::FrameGenerator::OutputType::I420, |
| /* num_squares = */ absl::optional<int>(300)); |
| |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| VideoBitrateAllocation bitrate_allocation; |
| // Bitrate only enough for TL0. |
| bitrate_allocation.SetBitrate(0, 0, 200000); |
| encoder_->SetRates( |
| VideoEncoder::RateControlParameters(bitrate_allocation, 5.0)); |
| |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| EncodeAndWaitForFrame(*NextInputFrame(), &encoded_frame, &codec_specific_info, |
| true); |
| EncodeAndExpectFrameWith(*NextInputFrame(), 0, true); |
| EncodeAndExpectFrameWith(*NextInputFrame(), 0, true); |
| EncodeAndExpectFrameWith(*NextInputFrame(), 0, true); |
| } |
| |
| TEST_F(TestVp8Impl, KeepsTimestampOnReencode) { |
| auto* const vpx = new NiceMock<MockLibvpxVp8Interface>(); |
| LibvpxVp8Encoder encoder((std::unique_ptr<LibvpxInterface>(vpx))); |
| |
| // Settings needed to trigger ScreenshareLayers usage, which is required for |
| // overshoot-drop-reencode logic. |
| codec_settings_.maxBitrate = 1000; |
| codec_settings_.mode = VideoCodecMode::kScreensharing; |
| codec_settings_.VP8()->numberOfTemporalLayers = 2; |
| |
| EXPECT_CALL(*vpx, img_wrap(_, _, _, _, _, _)) |
| .WillOnce(Invoke([](vpx_image_t* img, vpx_img_fmt_t fmt, unsigned int d_w, |
| unsigned int d_h, unsigned int stride_align, |
| unsigned char* img_data) { |
| img->fmt = fmt; |
| img->d_w = d_w; |
| img->d_h = d_h; |
| img->img_data = img_data; |
| return img; |
| })); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder.InitEncode(&codec_settings_, 1, 1000)); |
| MockEncodedImageCallback callback; |
| encoder.RegisterEncodeCompleteCallback(&callback); |
| |
| // Simulate overshoot drop, re-encode: encode function will be called twice |
| // with the same parameters. codec_get_cx_data() will by default return no |
| // image data and be interpreted as drop. |
| EXPECT_CALL(*vpx, codec_encode(_, _, /* pts = */ 0, _, _, _)) |
| .Times(2) |
| .WillRepeatedly(Return(vpx_codec_err_t::VPX_CODEC_OK)); |
| |
| auto delta_frame = |
| std::vector<VideoFrameType>{VideoFrameType::kVideoFrameDelta}; |
| encoder.Encode(*NextInputFrame(), &delta_frame); |
| } |
| |
| TEST_F(TestVp8Impl, GetEncoderInfoFpsAllocationNoLayers) { |
| FramerateFractions expected_fps_allocation[kMaxSpatialLayers] = { |
| FramerateFractions(1, EncoderInfo::kMaxFramerateFraction)}; |
| |
| EXPECT_THAT(encoder_->GetEncoderInfo().fps_allocation, |
| ::testing::ElementsAreArray(expected_fps_allocation)); |
| } |
| |
| TEST_F(TestVp8Impl, GetEncoderInfoFpsAllocationTwoTemporalLayers) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, encoder_->Release()); |
| codec_settings_.numberOfSimulcastStreams = 1; |
| codec_settings_.simulcastStream[0].active = true; |
| codec_settings_.simulcastStream[0].targetBitrate = 100; |
| codec_settings_.simulcastStream[0].maxBitrate = 100; |
| codec_settings_.simulcastStream[0].numberOfTemporalLayers = 2; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| FramerateFractions expected_fps_allocation[kMaxSpatialLayers]; |
| expected_fps_allocation[0].push_back(EncoderInfo::kMaxFramerateFraction / 2); |
| expected_fps_allocation[0].push_back(EncoderInfo::kMaxFramerateFraction); |
| |
| EXPECT_THAT(encoder_->GetEncoderInfo().fps_allocation, |
| ::testing::ElementsAreArray(expected_fps_allocation)); |
| } |
| |
| TEST_F(TestVp8Impl, GetEncoderInfoFpsAllocationThreeTemporalLayers) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, encoder_->Release()); |
| codec_settings_.numberOfSimulcastStreams = 1; |
| codec_settings_.simulcastStream[0].active = true; |
| codec_settings_.simulcastStream[0].targetBitrate = 100; |
| codec_settings_.simulcastStream[0].maxBitrate = 100; |
| codec_settings_.simulcastStream[0].numberOfTemporalLayers = 3; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| FramerateFractions expected_fps_allocation[kMaxSpatialLayers]; |
| expected_fps_allocation[0].push_back(EncoderInfo::kMaxFramerateFraction / 4); |
| expected_fps_allocation[0].push_back(EncoderInfo::kMaxFramerateFraction / 2); |
| expected_fps_allocation[0].push_back(EncoderInfo::kMaxFramerateFraction); |
| |
| EXPECT_THAT(encoder_->GetEncoderInfo().fps_allocation, |
| ::testing::ElementsAreArray(expected_fps_allocation)); |
| } |
| |
| TEST_F(TestVp8Impl, GetEncoderInfoFpsAllocationScreenshareLayers) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, encoder_->Release()); |
| codec_settings_.numberOfSimulcastStreams = 1; |
| codec_settings_.mode = VideoCodecMode::kScreensharing; |
| codec_settings_.simulcastStream[0].active = true; |
| codec_settings_.simulcastStream[0].minBitrate = 30; |
| codec_settings_.simulcastStream[0].targetBitrate = |
| kLegacyScreenshareTl0BitrateKbps; |
| codec_settings_.simulcastStream[0].maxBitrate = |
| kLegacyScreenshareTl1BitrateKbps; |
| codec_settings_.simulcastStream[0].numberOfTemporalLayers = 2; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| // Expect empty vector, since this mode doesn't have a fixed framerate. |
| FramerateFractions expected_fps_allocation[kMaxSpatialLayers]; |
| EXPECT_THAT(encoder_->GetEncoderInfo().fps_allocation, |
| ::testing::ElementsAreArray(expected_fps_allocation)); |
| } |
| |
| TEST_F(TestVp8Impl, GetEncoderInfoFpsAllocationSimulcastVideo) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, encoder_->Release()); |
| |
| // Set up three simulcast streams with three temporal layers each. |
| codec_settings_.numberOfSimulcastStreams = 3; |
| for (int i = 0; i < codec_settings_.numberOfSimulcastStreams; ++i) { |
| codec_settings_.simulcastStream[i].active = true; |
| codec_settings_.simulcastStream[i].minBitrate = 30; |
| codec_settings_.simulcastStream[i].targetBitrate = 30; |
| codec_settings_.simulcastStream[i].maxBitrate = 30; |
| codec_settings_.simulcastStream[i].numberOfTemporalLayers = 3; |
| codec_settings_.simulcastStream[i].width = |
| codec_settings_.width >> |
| (codec_settings_.numberOfSimulcastStreams - i - 1); |
| codec_settings_.simulcastStream[i].height = |
| codec_settings_.height >> |
| (codec_settings_.numberOfSimulcastStreams - i - 1); |
| } |
| |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, kNumCores, kMaxPayloadSize)); |
| |
| FramerateFractions expected_fps_allocation[kMaxSpatialLayers]; |
| expected_fps_allocation[0].push_back(EncoderInfo::kMaxFramerateFraction / 4); |
| expected_fps_allocation[0].push_back(EncoderInfo::kMaxFramerateFraction / 2); |
| expected_fps_allocation[0].push_back(EncoderInfo::kMaxFramerateFraction); |
| expected_fps_allocation[1] = expected_fps_allocation[0]; |
| expected_fps_allocation[2] = expected_fps_allocation[0]; |
| EXPECT_THAT(encoder_->GetEncoderInfo().fps_allocation, |
| ::testing::ElementsAreArray(expected_fps_allocation)); |
| } |
| |
| } // namespace webrtc |
