| /* |
| * Copyright (c) 2017 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 "api/video/color_space.h" |
| #include "api/video/i420_buffer.h" |
| #include "common_video/libyuv/include/webrtc_libyuv.h" |
| #include "media/base/vp9_profile.h" |
| #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h" |
| #include "modules/video_coding/codecs/test/video_codec_unittest.h" |
| #include "modules/video_coding/codecs/vp9/include/vp9.h" |
| #include "modules/video_coding/codecs/vp9/svc_config.h" |
| #include "test/video_codec_settings.h" |
| |
| namespace webrtc { |
| |
| namespace { |
| const size_t kWidth = 1280; |
| const size_t kHeight = 720; |
| } // namespace |
| |
| class TestVp9Impl : public VideoCodecUnitTest { |
| protected: |
| std::unique_ptr<VideoEncoder> CreateEncoder() override { |
| return VP9Encoder::Create(); |
| } |
| |
| std::unique_ptr<VideoDecoder> CreateDecoder() override { |
| return VP9Decoder::Create(); |
| } |
| |
| void ModifyCodecSettings(VideoCodec* codec_settings) override { |
| webrtc::test::CodecSettings(kVideoCodecVP9, codec_settings); |
| codec_settings->width = kWidth; |
| codec_settings->height = kHeight; |
| codec_settings->VP9()->numberOfTemporalLayers = 1; |
| codec_settings->VP9()->numberOfSpatialLayers = 1; |
| } |
| |
| void ExpectFrameWith(uint8_t temporal_idx) { |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| EXPECT_EQ(temporal_idx, codec_specific_info.codecSpecific.VP9.temporal_idx); |
| } |
| |
| void ExpectFrameWith(size_t num_spatial_layers, |
| uint8_t temporal_idx, |
| bool temporal_up_switch, |
| uint8_t num_ref_pics, |
| const std::vector<uint8_t>& p_diff) { |
| std::vector<EncodedImage> encoded_frame; |
| std::vector<CodecSpecificInfo> codec_specific; |
| ASSERT_TRUE(WaitForEncodedFrames(&encoded_frame, &codec_specific)); |
| for (size_t frame_num = 0; frame_num < num_spatial_layers; ++frame_num) { |
| const CodecSpecificInfoVP9& vp9 = |
| codec_specific[frame_num].codecSpecific.VP9; |
| if (vp9.temporal_idx == kNoTemporalIdx) { |
| EXPECT_EQ(temporal_idx, 0); |
| } else { |
| EXPECT_EQ(vp9.temporal_idx, temporal_idx); |
| } |
| EXPECT_EQ(vp9.temporal_up_switch, temporal_up_switch); |
| |
| // Ensure there are no duplicates in reference list. |
| std::vector<uint8_t> vp9_p_diff(vp9.p_diff, |
| vp9.p_diff + vp9.num_ref_pics); |
| std::sort(vp9_p_diff.begin(), vp9_p_diff.end()); |
| EXPECT_EQ(std::unique(vp9_p_diff.begin(), vp9_p_diff.end()), |
| vp9_p_diff.end()); |
| |
| for (size_t ref_pic_num = 0; ref_pic_num < num_ref_pics; ++ref_pic_num) { |
| EXPECT_NE( |
| std::find(p_diff.begin(), p_diff.end(), vp9.p_diff[ref_pic_num]), |
| p_diff.end()); |
| } |
| } |
| } |
| |
| void ConfigureSvc(size_t num_spatial_layers) { |
| codec_settings_.VP9()->numberOfSpatialLayers = |
| static_cast<unsigned char>(num_spatial_layers); |
| codec_settings_.VP9()->numberOfTemporalLayers = 1; |
| codec_settings_.VP9()->frameDroppingOn = false; |
| |
| std::vector<SpatialLayer> layers = GetSvcConfig( |
| codec_settings_.width, codec_settings_.height, |
| codec_settings_.maxFramerate, num_spatial_layers, 1, false); |
| for (size_t i = 0; i < layers.size(); ++i) { |
| codec_settings_.spatialLayers[i] = layers[i]; |
| } |
| } |
| }; |
| |
| // Disabled on ios as flake, see https://crbug.com/webrtc/7057 |
| #if defined(WEBRTC_IOS) |
| TEST_F(TestVp9Impl, DISABLED_EncodeDecode) { |
| #else |
| TEST_F(TestVp9Impl, EncodeDecode) { |
| #endif |
| VideoFrame* input_frame = NextInputFrame(); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*input_frame, nullptr, nullptr)); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| // First frame should be a key frame. |
| encoded_frame._frameType = kVideoFrameKey; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| decoder_->Decode(encoded_frame, false, nullptr, 0)); |
| 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); |
| |
| const ColorSpace color_space = decoded_frame->color_space().value(); |
| EXPECT_EQ(ColorSpace::PrimaryID::kInvalid, color_space.primaries()); |
| EXPECT_EQ(ColorSpace::TransferID::kInvalid, color_space.transfer()); |
| EXPECT_EQ(ColorSpace::MatrixID::kInvalid, color_space.matrix()); |
| EXPECT_EQ(ColorSpace::RangeID::kLimited, color_space.range()); |
| } |
| |
| // We only test the encoder here, since the decoded frame rotation is set based |
| // on the CVO RTP header extension in VCMDecodedFrameCallback::Decoded. |
| // TODO(brandtr): Consider passing through the rotation flag through the decoder |
| // in the same way as done in the encoder. |
| TEST_F(TestVp9Impl, EncodedRotationEqualsInputRotation) { |
| VideoFrame* input_frame = NextInputFrame(); |
| input_frame->set_rotation(kVideoRotation_0); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*input_frame, nullptr, nullptr)); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| EXPECT_EQ(kVideoRotation_0, encoded_frame.rotation_); |
| |
| input_frame->set_rotation(kVideoRotation_90); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*input_frame, nullptr, nullptr)); |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| EXPECT_EQ(kVideoRotation_90, encoded_frame.rotation_); |
| } |
| |
| TEST_F(TestVp9Impl, DecodedQpEqualsEncodedQp) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| // First frame should be a key frame. |
| encoded_frame._frameType = kVideoFrameKey; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| decoder_->Decode(encoded_frame, false, nullptr, 0)); |
| 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_EQ(encoded_frame.qp_, *decoded_qp); |
| } |
| |
| TEST_F(TestVp9Impl, ParserQpEqualsEncodedQp) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| |
| int qp = 0; |
| ASSERT_TRUE(vp9::GetQp(encoded_frame._buffer, encoded_frame._length, &qp)); |
| EXPECT_EQ(encoded_frame.qp_, qp); |
| } |
| |
| TEST_F(TestVp9Impl, EncoderWith2TemporalLayers) { |
| // Override default settings. |
| codec_settings_.VP9()->numberOfTemporalLayers = 2; |
| // Tl0PidIdx is only used in non-flexible mode. |
| codec_settings_.VP9()->flexibleMode = false; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| // Temporal layer 0. |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| EXPECT_EQ(0, codec_specific_info.codecSpecific.VP9.temporal_idx); |
| |
| // Temporal layer 1. |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| ExpectFrameWith(1); |
| |
| // Temporal layer 0. |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| ExpectFrameWith(0); |
| |
| // Temporal layer 1. |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| ExpectFrameWith(1); |
| } |
| |
| TEST_F(TestVp9Impl, EncoderExplicitLayering) { |
| // Override default settings. |
| codec_settings_.VP9()->numberOfTemporalLayers = 1; |
| codec_settings_.VP9()->numberOfSpatialLayers = 2; |
| |
| codec_settings_.width = 960; |
| codec_settings_.height = 540; |
| codec_settings_.spatialLayers[0].minBitrate = 200; |
| codec_settings_.spatialLayers[0].maxBitrate = 500; |
| codec_settings_.spatialLayers[0].targetBitrate = |
| (codec_settings_.spatialLayers[0].minBitrate + |
| codec_settings_.spatialLayers[0].maxBitrate) / |
| 2; |
| codec_settings_.spatialLayers[1].minBitrate = 400; |
| codec_settings_.spatialLayers[1].maxBitrate = 1500; |
| codec_settings_.spatialLayers[1].targetBitrate = |
| (codec_settings_.spatialLayers[1].minBitrate + |
| codec_settings_.spatialLayers[1].maxBitrate) / |
| 2; |
| |
| codec_settings_.spatialLayers[0].width = codec_settings_.width / 2; |
| codec_settings_.spatialLayers[0].height = codec_settings_.height / 2; |
| codec_settings_.spatialLayers[1].width = codec_settings_.width; |
| codec_settings_.spatialLayers[1].height = codec_settings_.height; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| // Ensure it fails if scaling factors in horz/vert dimentions are different. |
| codec_settings_.spatialLayers[0].width = codec_settings_.width; |
| codec_settings_.spatialLayers[0].height = codec_settings_.height / 2; |
| codec_settings_.spatialLayers[1].width = codec_settings_.width; |
| codec_settings_.spatialLayers[1].height = codec_settings_.height; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERR_PARAMETER, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| // Ensure it fails if scaling factor is not power of two. |
| codec_settings_.spatialLayers[0].width = codec_settings_.width / 3; |
| codec_settings_.spatialLayers[0].height = codec_settings_.height / 3; |
| codec_settings_.spatialLayers[1].width = codec_settings_.width; |
| codec_settings_.spatialLayers[1].height = codec_settings_.height; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_ERR_PARAMETER, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| } |
| |
| TEST_F(TestVp9Impl, EnableDisableSpatialLayers) { |
| // Configure encoder to produce N spatial layers. Encode frames of layer 0 |
| // then enable layer 1 and encode more frames and so on until layer N-1. |
| // Then disable layers one by one in the same way. |
| // Note: bit rate allocation is high to avoid frame dropping due to rate |
| // control, the encoder should always produce a frame. A dropped |
| // frame indicates a problem and the test will fail. |
| const size_t num_spatial_layers = 3; |
| const size_t num_frames_to_encode = 5; |
| |
| ConfigureSvc(num_spatial_layers); |
| codec_settings_.VP9()->frameDroppingOn = true; |
| |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| VideoBitrateAllocation bitrate_allocation; |
| for (size_t sl_idx = 0; sl_idx < num_spatial_layers; ++sl_idx) { |
| // Allocate high bit rate to avoid frame dropping due to rate control. |
| bitrate_allocation.SetBitrate( |
| sl_idx, 0, |
| codec_settings_.spatialLayers[sl_idx].targetBitrate * 1000 * 2); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->SetRateAllocation(bitrate_allocation, |
| codec_settings_.maxFramerate)); |
| |
| for (size_t frame_num = 0; frame_num < num_frames_to_encode; ++frame_num) { |
| SetWaitForEncodedFramesThreshold(sl_idx + 1); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| std::vector<EncodedImage> encoded_frame; |
| std::vector<CodecSpecificInfo> codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrames(&encoded_frame, &codec_specific_info)); |
| } |
| } |
| |
| for (size_t i = 0; i < num_spatial_layers - 1; ++i) { |
| const size_t sl_idx = num_spatial_layers - i - 1; |
| bitrate_allocation.SetBitrate(sl_idx, 0, 0); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->SetRateAllocation(bitrate_allocation, |
| codec_settings_.maxFramerate)); |
| |
| for (size_t frame_num = 0; frame_num < num_frames_to_encode; ++frame_num) { |
| SetWaitForEncodedFramesThreshold(sl_idx); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| std::vector<EncodedImage> encoded_frame; |
| std::vector<CodecSpecificInfo> codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrames(&encoded_frame, &codec_specific_info)); |
| } |
| } |
| } |
| |
| TEST_F(TestVp9Impl, EndOfPicture) { |
| const size_t num_spatial_layers = 2; |
| ConfigureSvc(num_spatial_layers); |
| |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| // Encode both base and upper layers. Check that end-of-superframe flag is |
| // set on upper layer frame but not on base layer frame. |
| VideoBitrateAllocation bitrate_allocation; |
| bitrate_allocation.SetBitrate( |
| 0, 0, codec_settings_.spatialLayers[0].targetBitrate * 1000); |
| bitrate_allocation.SetBitrate( |
| 1, 0, codec_settings_.spatialLayers[1].targetBitrate * 1000); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->SetRateAllocation(bitrate_allocation, |
| codec_settings_.maxFramerate)); |
| SetWaitForEncodedFramesThreshold(2); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| |
| std::vector<EncodedImage> frames; |
| std::vector<CodecSpecificInfo> codec_specific; |
| ASSERT_TRUE(WaitForEncodedFrames(&frames, &codec_specific)); |
| EXPECT_FALSE(codec_specific[0].codecSpecific.VP9.end_of_picture); |
| EXPECT_TRUE(codec_specific[1].codecSpecific.VP9.end_of_picture); |
| |
| // Encode only base layer. Check that end-of-superframe flag is |
| // set on base layer frame. |
| bitrate_allocation.SetBitrate(1, 0, 0); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->SetRateAllocation(bitrate_allocation, |
| codec_settings_.maxFramerate)); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| SetWaitForEncodedFramesThreshold(1); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| |
| ASSERT_TRUE(WaitForEncodedFrames(&frames, &codec_specific)); |
| EXPECT_FALSE(frames[0].SpatialIndex()); |
| EXPECT_TRUE(codec_specific[0].codecSpecific.VP9.end_of_picture); |
| } |
| |
| TEST_F(TestVp9Impl, InterLayerPred) { |
| const size_t num_spatial_layers = 2; |
| ConfigureSvc(num_spatial_layers); |
| codec_settings_.VP9()->frameDroppingOn = false; |
| |
| BitrateAllocation bitrate_allocation; |
| for (size_t i = 0; i < num_spatial_layers; ++i) { |
| bitrate_allocation.SetBitrate( |
| i, 0, codec_settings_.spatialLayers[i].targetBitrate * 1000); |
| } |
| |
| const std::vector<InterLayerPredMode> inter_layer_pred_modes = { |
| InterLayerPredMode::kOff, InterLayerPredMode::kOn, |
| InterLayerPredMode::kOnKeyPic}; |
| |
| for (const InterLayerPredMode inter_layer_pred : inter_layer_pred_modes) { |
| codec_settings_.VP9()->interLayerPred = inter_layer_pred; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->SetRateAllocation(bitrate_allocation, |
| codec_settings_.maxFramerate)); |
| |
| SetWaitForEncodedFramesThreshold(2); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| |
| std::vector<EncodedImage> frames; |
| std::vector<CodecSpecificInfo> codec_specific; |
| ASSERT_TRUE(WaitForEncodedFrames(&frames, &codec_specific)); |
| |
| // Key frame. |
| EXPECT_FALSE(codec_specific[0].codecSpecific.VP9.inter_pic_predicted); |
| EXPECT_EQ(frames[0].SpatialIndex(), 0); |
| EXPECT_EQ(codec_specific[0].codecSpecific.VP9.non_ref_for_inter_layer_pred, |
| inter_layer_pred == InterLayerPredMode::kOff); |
| EXPECT_TRUE( |
| codec_specific[1].codecSpecific.VP9.non_ref_for_inter_layer_pred); |
| |
| SetWaitForEncodedFramesThreshold(2); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| ASSERT_TRUE(WaitForEncodedFrames(&frames, &codec_specific)); |
| |
| // Delta frame. |
| EXPECT_TRUE(codec_specific[0].codecSpecific.VP9.inter_pic_predicted); |
| EXPECT_EQ(frames[0].SpatialIndex(), 0); |
| EXPECT_EQ(codec_specific[0].codecSpecific.VP9.non_ref_for_inter_layer_pred, |
| inter_layer_pred == InterLayerPredMode::kOff || |
| inter_layer_pred == InterLayerPredMode::kOnKeyPic); |
| EXPECT_TRUE( |
| codec_specific[1].codecSpecific.VP9.non_ref_for_inter_layer_pred); |
| } |
| } |
| |
| TEST_F(TestVp9Impl, |
| EnablingUpperLayerTriggersKeyFrameIfInterLayerPredIsDisabled) { |
| const size_t num_spatial_layers = 3; |
| const size_t num_frames_to_encode = 2; |
| |
| ConfigureSvc(num_spatial_layers); |
| codec_settings_.VP9()->frameDroppingOn = false; |
| |
| const std::vector<InterLayerPredMode> inter_layer_pred_modes = { |
| InterLayerPredMode::kOff, InterLayerPredMode::kOn, |
| InterLayerPredMode::kOnKeyPic}; |
| |
| for (const InterLayerPredMode inter_layer_pred : inter_layer_pred_modes) { |
| codec_settings_.VP9()->interLayerPred = inter_layer_pred; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| VideoBitrateAllocation bitrate_allocation; |
| for (size_t sl_idx = 0; sl_idx < num_spatial_layers; ++sl_idx) { |
| bitrate_allocation.SetBitrate( |
| sl_idx, 0, |
| codec_settings_.spatialLayers[sl_idx].targetBitrate * 1000); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->SetRateAllocation(bitrate_allocation, |
| codec_settings_.maxFramerate)); |
| |
| for (size_t frame_num = 0; frame_num < num_frames_to_encode; |
| ++frame_num) { |
| SetWaitForEncodedFramesThreshold(sl_idx + 1); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| std::vector<EncodedImage> encoded_frame; |
| std::vector<CodecSpecificInfo> codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrames(&encoded_frame, &codec_specific_info)); |
| |
| const bool is_first_upper_layer_frame = (sl_idx > 0 && frame_num == 0); |
| if (is_first_upper_layer_frame) { |
| if (inter_layer_pred == InterLayerPredMode::kOn) { |
| EXPECT_EQ(encoded_frame[0]._frameType, kVideoFrameDelta); |
| } else { |
| EXPECT_EQ(encoded_frame[0]._frameType, kVideoFrameKey); |
| } |
| } else if (sl_idx == 0 && frame_num == 0) { |
| EXPECT_EQ(encoded_frame[0]._frameType, kVideoFrameKey); |
| } else { |
| for (size_t i = 0; i <= sl_idx; ++i) { |
| EXPECT_EQ(encoded_frame[i]._frameType, kVideoFrameDelta); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| TEST_F(TestVp9Impl, ScalabilityStructureIsAvailableInFlexibleMode) { |
| codec_settings_.VP9()->flexibleMode = true; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| EXPECT_TRUE(codec_specific_info.codecSpecific.VP9.ss_data_available); |
| } |
| |
| class TestVp9ImplWithLayering |
| : public TestVp9Impl, |
| public ::testing::WithParamInterface<::testing::tuple<uint8_t, uint8_t>> { |
| protected: |
| TestVp9ImplWithLayering() |
| : num_spatial_layers_(::testing::get<0>(GetParam())), |
| num_temporal_layers_(::testing::get<1>(GetParam())) {} |
| |
| const uint8_t num_spatial_layers_; |
| const uint8_t num_temporal_layers_; |
| }; |
| |
| TEST_P(TestVp9ImplWithLayering, FlexibleMode) { |
| // In flexible mode encoder wrapper obtains actual list of references from |
| // encoder and writes it into RTP payload descriptor. Check that reference |
| // list in payload descriptor matches the predefined one, which is used |
| // in non-flexible mode. |
| codec_settings_.VP9()->flexibleMode = true; |
| codec_settings_.VP9()->frameDroppingOn = false; |
| codec_settings_.VP9()->numberOfSpatialLayers = num_spatial_layers_; |
| codec_settings_.VP9()->numberOfTemporalLayers = num_temporal_layers_; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->InitEncode(&codec_settings_, 1 /* number of cores */, |
| 0 /* max payload size (unused) */)); |
| |
| GofInfoVP9 gof; |
| if (num_temporal_layers_ == 1) { |
| gof.SetGofInfoVP9(kTemporalStructureMode1); |
| } else if (num_temporal_layers_ == 2) { |
| gof.SetGofInfoVP9(kTemporalStructureMode2); |
| } else if (num_temporal_layers_ == 3) { |
| gof.SetGofInfoVP9(kTemporalStructureMode3); |
| } |
| |
| // Encode at least (num_frames_in_gof + 1) frames to verify references |
| // of non-key frame with gof_idx = 0. |
| for (size_t frame_num = 0; frame_num < gof.num_frames_in_gof + 1; |
| ++frame_num) { |
| SetWaitForEncodedFramesThreshold(num_spatial_layers_); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*NextInputFrame(), nullptr, nullptr)); |
| |
| const bool is_key_frame = frame_num == 0; |
| const size_t gof_idx = frame_num % gof.num_frames_in_gof; |
| const std::vector<uint8_t> p_diff(std::begin(gof.pid_diff[gof_idx]), |
| std::end(gof.pid_diff[gof_idx])); |
| |
| ExpectFrameWith(num_spatial_layers_, gof.temporal_idx[gof_idx], |
| gof.temporal_up_switch[gof_idx], |
| is_key_frame ? 0 : gof.num_ref_pics[gof_idx], p_diff); |
| } |
| } |
| |
| INSTANTIATE_TEST_CASE_P(, |
| TestVp9ImplWithLayering, |
| ::testing::Combine(::testing::Values(1, 2, 3), |
| ::testing::Values(1, 2, 3))); |
| |
| class TestVp9ImplFrameDropping : public TestVp9Impl { |
| protected: |
| void ModifyCodecSettings(VideoCodec* codec_settings) override { |
| webrtc::test::CodecSettings(kVideoCodecVP9, codec_settings); |
| // We need to encode quite a lot of frames in this test. Use low resolution |
| // to reduce execution time. |
| codec_settings->width = 64; |
| codec_settings->height = 64; |
| codec_settings->mode = VideoCodecMode::kScreensharing; |
| } |
| }; |
| |
| TEST_F(TestVp9ImplFrameDropping, PreEncodeFrameDropping) { |
| const size_t num_frames_to_encode = 100; |
| const float input_framerate_fps = 30.0; |
| const float video_duration_secs = num_frames_to_encode / input_framerate_fps; |
| const float expected_framerate_fps = 5.0f; |
| const float max_abs_framerate_error_fps = expected_framerate_fps * 0.1f; |
| |
| VideoFrame* input_frame = NextInputFrame(); |
| for (size_t frame_num = 0; frame_num < num_frames_to_encode; ++frame_num) { |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*input_frame, nullptr, nullptr)); |
| const size_t timestamp = input_frame->timestamp() + |
| kVideoPayloadTypeFrequency / input_framerate_fps; |
| input_frame->set_timestamp(static_cast<uint32_t>(timestamp)); |
| } |
| |
| const size_t num_encoded_frames = GetNumEncodedFrames(); |
| const float encoded_framerate_fps = num_encoded_frames / video_duration_secs; |
| EXPECT_NEAR(encoded_framerate_fps, expected_framerate_fps, |
| max_abs_framerate_error_fps); |
| } |
| |
| class TestVp9ImplProfile2 : public TestVp9Impl { |
| protected: |
| void SetUp() override { |
| // Profile 2 might not be available on some platforms until |
| // https://bugs.chromium.org/p/webm/issues/detail?id=1544 is solved. |
| bool profile_2_is_supported = false; |
| for (const auto& codec : SupportedVP9Codecs()) { |
| if (ParseSdpForVP9Profile(codec.parameters) |
| .value_or(VP9Profile::kProfile0) == VP9Profile::kProfile2) { |
| profile_2_is_supported = true; |
| } |
| } |
| if (!profile_2_is_supported) |
| return; |
| |
| TestVp9Impl::SetUp(); |
| input_frame_generator_ = test::FrameGenerator::CreateSquareGenerator( |
| codec_settings_.width, codec_settings_.height, |
| test::FrameGenerator::OutputType::I010, absl::optional<int>()); |
| } |
| |
| std::unique_ptr<VideoEncoder> CreateEncoder() override { |
| cricket::VideoCodec profile2_codec; |
| profile2_codec.SetParam(kVP9FmtpProfileId, |
| VP9ProfileToString(VP9Profile::kProfile2)); |
| return VP9Encoder::Create(profile2_codec); |
| } |
| |
| std::unique_ptr<VideoDecoder> CreateDecoder() override { |
| return VP9Decoder::Create(); |
| } |
| }; |
| |
| TEST_F(TestVp9ImplProfile2, EncodeDecode) { |
| if (!encoder_) |
| return; |
| |
| VideoFrame* input_frame = NextInputFrame(); |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| encoder_->Encode(*input_frame, nullptr, nullptr)); |
| EncodedImage encoded_frame; |
| CodecSpecificInfo codec_specific_info; |
| ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info)); |
| // First frame should be a key frame. |
| encoded_frame._frameType = kVideoFrameKey; |
| EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
| decoder_->Decode(encoded_frame, false, nullptr, 0)); |
| std::unique_ptr<VideoFrame> decoded_frame; |
| absl::optional<uint8_t> decoded_qp; |
| ASSERT_TRUE(WaitForDecodedFrame(&decoded_frame, &decoded_qp)); |
| ASSERT_TRUE(decoded_frame); |
| |
| // TODO(emircan): Add PSNR for different color depths. |
| EXPECT_GT(I420PSNR(*input_frame->video_frame_buffer()->ToI420(), |
| *decoded_frame->video_frame_buffer()->ToI420()), |
| 31); |
| } |
| |
| } // namespace webrtc |
