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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/video_encoder.h" | 11 #include "webrtc/video_encoder.h" |
12 | 12 |
13 #include "webrtc/base/checks.h" | |
14 #include "webrtc/modules/video_coding/codecs/vp8/temporal_layers.h" | |
15 #include "webrtc/modules/video_coding/include/video_codec_interface.h" | 13 #include "webrtc/modules/video_coding/include/video_codec_interface.h" |
16 #include "webrtc/modules/video_coding/include/video_error_codes.h" | 14 #include "webrtc/modules/video_coding/include/video_error_codes.h" |
17 #include "webrtc/modules/video_coding/utility/simulcast_rate_allocator.h" | |
18 #include "webrtc/test/gtest.h" | 15 #include "webrtc/test/gtest.h" |
19 | 16 |
20 namespace webrtc { | 17 namespace webrtc { |
21 | 18 |
22 const int kWidth = 320; | 19 const int kWidth = 320; |
23 const int kHeight = 240; | 20 const int kHeight = 240; |
24 const size_t kMaxPayloadSize = 800; | 21 const size_t kMaxPayloadSize = 800; |
25 | 22 |
26 class VideoEncoderSoftwareFallbackWrapperTest : public ::testing::Test { | 23 class VideoEncoderSoftwareFallbackWrapperTest : public ::testing::Test { |
27 protected: | 24 protected: |
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59 int32_t Release() override { | 56 int32_t Release() override { |
60 ++release_count_; | 57 ++release_count_; |
61 return WEBRTC_VIDEO_CODEC_OK; | 58 return WEBRTC_VIDEO_CODEC_OK; |
62 } | 59 } |
63 | 60 |
64 int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) override { | 61 int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) override { |
65 ++set_channel_parameters_count_; | 62 ++set_channel_parameters_count_; |
66 return WEBRTC_VIDEO_CODEC_OK; | 63 return WEBRTC_VIDEO_CODEC_OK; |
67 } | 64 } |
68 | 65 |
69 int32_t SetRateAllocation(const BitrateAllocation& bitrate_allocation, | 66 int32_t SetRates(uint32_t bitrate, uint32_t framerate) override { |
70 uint32_t framerate) override { | |
71 ++set_rates_count_; | 67 ++set_rates_count_; |
72 return WEBRTC_VIDEO_CODEC_OK; | 68 return WEBRTC_VIDEO_CODEC_OK; |
73 } | 69 } |
74 | 70 |
75 void OnDroppedFrame() override { ++on_dropped_frame_count_; } | 71 void OnDroppedFrame() override { ++on_dropped_frame_count_; } |
76 | 72 |
77 bool SupportsNativeHandle() const override { | 73 bool SupportsNativeHandle() const override { |
78 ++supports_native_handle_count_; | 74 ++supports_native_handle_count_; |
79 return false; | 75 return false; |
80 } | 76 } |
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114 void EncodeFrame(); | 110 void EncodeFrame(); |
115 void CheckLastEncoderName(const char* expected_name) { | 111 void CheckLastEncoderName(const char* expected_name) { |
116 EXPECT_STREQ(expected_name, callback_.last_codec_name_.c_str()); | 112 EXPECT_STREQ(expected_name, callback_.last_codec_name_.c_str()); |
117 } | 113 } |
118 | 114 |
119 FakeEncodedImageCallback callback_; | 115 FakeEncodedImageCallback callback_; |
120 CountingFakeEncoder fake_encoder_; | 116 CountingFakeEncoder fake_encoder_; |
121 VideoEncoderSoftwareFallbackWrapper fallback_wrapper_; | 117 VideoEncoderSoftwareFallbackWrapper fallback_wrapper_; |
122 VideoCodec codec_ = {}; | 118 VideoCodec codec_ = {}; |
123 std::unique_ptr<VideoFrame> frame_; | 119 std::unique_ptr<VideoFrame> frame_; |
124 std::unique_ptr<SimulcastRateAllocator> rate_allocator_; | |
125 }; | 120 }; |
126 | 121 |
127 void VideoEncoderSoftwareFallbackWrapperTest::EncodeFrame() { | 122 void VideoEncoderSoftwareFallbackWrapperTest::EncodeFrame() { |
128 rtc::scoped_refptr<I420Buffer> buffer = I420Buffer::Create( | 123 rtc::scoped_refptr<I420Buffer> buffer = I420Buffer::Create( |
129 kWidth, kHeight, kWidth, (kWidth + 1) / 2, (kWidth + 1) / 2); | 124 kWidth, kHeight, kWidth, (kWidth + 1) / 2, (kWidth + 1) / 2); |
130 buffer->SetToBlack(); | 125 buffer->SetToBlack(); |
131 std::vector<FrameType> types(1, kVideoFrameKey); | 126 std::vector<FrameType> types(1, kVideoFrameKey); |
132 | 127 |
133 frame_.reset(new VideoFrame(buffer, 0, 0, webrtc::kVideoRotation_0)); | 128 frame_.reset(new VideoFrame(buffer, 0, 0, webrtc::kVideoRotation_0)); |
134 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, | 129 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
135 fallback_wrapper_.Encode(*frame_, nullptr, &types)); | 130 fallback_wrapper_.Encode(*frame_, nullptr, &types)); |
136 } | 131 } |
137 | 132 |
138 void VideoEncoderSoftwareFallbackWrapperTest::UtilizeFallbackEncoder() { | 133 void VideoEncoderSoftwareFallbackWrapperTest::UtilizeFallbackEncoder() { |
139 fallback_wrapper_.RegisterEncodeCompleteCallback(&callback_); | 134 fallback_wrapper_.RegisterEncodeCompleteCallback(&callback_); |
140 EXPECT_EQ(&callback_, fake_encoder_.encode_complete_callback_); | 135 EXPECT_EQ(&callback_, fake_encoder_.encode_complete_callback_); |
141 | 136 |
142 // Register with failing fake encoder. Should succeed with VP8 fallback. | 137 // Register with failing fake encoder. Should succeed with VP8 fallback. |
143 codec_.codecType = kVideoCodecVP8; | 138 codec_.codecType = kVideoCodecVP8; |
144 codec_.maxFramerate = 30; | 139 codec_.maxFramerate = 30; |
145 codec_.width = kWidth; | 140 codec_.width = kWidth; |
146 codec_.height = kHeight; | 141 codec_.height = kHeight; |
147 codec_.codecSpecific.VP8.numberOfTemporalLayers = 1; | |
148 std::unique_ptr<TemporalLayersFactory> tl_factory( | |
149 new TemporalLayersFactory()); | |
150 codec_.codecSpecific.VP8.tl_factory = tl_factory.get(); | |
151 rate_allocator_.reset( | |
152 new SimulcastRateAllocator(codec_, std::move(tl_factory))); | |
153 | |
154 fake_encoder_.init_encode_return_code_ = WEBRTC_VIDEO_CODEC_ERROR; | 142 fake_encoder_.init_encode_return_code_ = WEBRTC_VIDEO_CODEC_ERROR; |
155 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, | 143 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, |
156 fallback_wrapper_.InitEncode(&codec_, 2, kMaxPayloadSize)); | 144 fallback_wrapper_.InitEncode(&codec_, 2, kMaxPayloadSize)); |
157 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, | 145 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.SetRates(300, 30)); |
158 fallback_wrapper_.SetRateAllocation( | |
159 rate_allocator_->GetAllocation(300000, 30), 30)); | |
160 | 146 |
161 int callback_count = callback_.callback_count_; | 147 int callback_count = callback_.callback_count_; |
162 int encode_count = fake_encoder_.encode_count_; | 148 int encode_count = fake_encoder_.encode_count_; |
163 EncodeFrame(); | 149 EncodeFrame(); |
164 EXPECT_EQ(encode_count, fake_encoder_.encode_count_); | 150 EXPECT_EQ(encode_count, fake_encoder_.encode_count_); |
165 EXPECT_EQ(callback_count + 1, callback_.callback_count_); | 151 EXPECT_EQ(callback_count + 1, callback_.callback_count_); |
166 } | 152 } |
167 | 153 |
168 void VideoEncoderSoftwareFallbackWrapperTest::FallbackFromEncodeRequest() { | 154 void VideoEncoderSoftwareFallbackWrapperTest::FallbackFromEncodeRequest() { |
169 fallback_wrapper_.RegisterEncodeCompleteCallback(&callback_); | 155 fallback_wrapper_.RegisterEncodeCompleteCallback(&callback_); |
170 codec_.codecType = kVideoCodecVP8; | 156 codec_.codecType = kVideoCodecVP8; |
171 codec_.maxFramerate = 30; | 157 codec_.maxFramerate = 30; |
172 codec_.width = kWidth; | 158 codec_.width = kWidth; |
173 codec_.height = kHeight; | 159 codec_.height = kHeight; |
174 codec_.codecSpecific.VP8.numberOfTemporalLayers = 1; | |
175 std::unique_ptr<TemporalLayersFactory> tl_factory( | |
176 new TemporalLayersFactory()); | |
177 codec_.codecSpecific.VP8.tl_factory = tl_factory.get(); | |
178 rate_allocator_.reset( | |
179 new SimulcastRateAllocator(codec_, std::move(tl_factory))); | |
180 fallback_wrapper_.InitEncode(&codec_, 2, kMaxPayloadSize); | 160 fallback_wrapper_.InitEncode(&codec_, 2, kMaxPayloadSize); |
181 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, | 161 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.SetRates(300, 30)); |
182 fallback_wrapper_.SetRateAllocation( | |
183 rate_allocator_->GetAllocation(300000, 30), 30)); | |
184 EXPECT_EQ(1, fake_encoder_.init_encode_count_); | 162 EXPECT_EQ(1, fake_encoder_.init_encode_count_); |
185 | 163 |
186 // Have the non-fallback encoder request a software fallback. | 164 // Have the non-fallback encoder request a software fallback. |
187 fake_encoder_.encode_return_code_ = WEBRTC_VIDEO_CODEC_FALLBACK_SOFTWARE; | 165 fake_encoder_.encode_return_code_ = WEBRTC_VIDEO_CODEC_FALLBACK_SOFTWARE; |
188 int callback_count = callback_.callback_count_; | 166 int callback_count = callback_.callback_count_; |
189 int encode_count = fake_encoder_.encode_count_; | 167 int encode_count = fake_encoder_.encode_count_; |
190 EncodeFrame(); | 168 EncodeFrame(); |
191 // Single encode request, which returned failure. | 169 // Single encode request, which returned failure. |
192 EXPECT_EQ(encode_count + 1, fake_encoder_.encode_count_); | 170 EXPECT_EQ(encode_count + 1, fake_encoder_.encode_count_); |
193 EXPECT_EQ(callback_count + 1, callback_.callback_count_); | 171 EXPECT_EQ(callback_count + 1, callback_.callback_count_); |
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256 EXPECT_EQ(0, fake_encoder_.set_channel_parameters_count_); | 234 EXPECT_EQ(0, fake_encoder_.set_channel_parameters_count_); |
257 fallback_wrapper_.SetChannelParameters(1, 1); | 235 fallback_wrapper_.SetChannelParameters(1, 1); |
258 EXPECT_EQ(1, fake_encoder_.set_channel_parameters_count_); | 236 EXPECT_EQ(1, fake_encoder_.set_channel_parameters_count_); |
259 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release()); | 237 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release()); |
260 } | 238 } |
261 | 239 |
262 TEST_F(VideoEncoderSoftwareFallbackWrapperTest, | 240 TEST_F(VideoEncoderSoftwareFallbackWrapperTest, |
263 SetRatesForwardedDuringFallback) { | 241 SetRatesForwardedDuringFallback) { |
264 UtilizeFallbackEncoder(); | 242 UtilizeFallbackEncoder(); |
265 EXPECT_EQ(1, fake_encoder_.set_rates_count_); | 243 EXPECT_EQ(1, fake_encoder_.set_rates_count_); |
266 fallback_wrapper_.SetRateAllocation(BitrateAllocation(), 1); | 244 fallback_wrapper_.SetRates(1, 1); |
267 EXPECT_EQ(2, fake_encoder_.set_rates_count_); | 245 EXPECT_EQ(2, fake_encoder_.set_rates_count_); |
268 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release()); | 246 EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release()); |
269 } | 247 } |
270 | 248 |
271 TEST_F(VideoEncoderSoftwareFallbackWrapperTest, | 249 TEST_F(VideoEncoderSoftwareFallbackWrapperTest, |
272 OnDroppedFrameForwardedWithoutFallback) { | 250 OnDroppedFrameForwardedWithoutFallback) { |
273 fallback_wrapper_.OnDroppedFrame(); | 251 fallback_wrapper_.OnDroppedFrame(); |
274 EXPECT_EQ(1, fake_encoder_.on_dropped_frame_count_); | 252 EXPECT_EQ(1, fake_encoder_.on_dropped_frame_count_); |
275 } | 253 } |
276 | 254 |
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306 | 284 |
307 TEST_F(VideoEncoderSoftwareFallbackWrapperTest, | 285 TEST_F(VideoEncoderSoftwareFallbackWrapperTest, |
308 ReportsFallbackImplementationName) { | 286 ReportsFallbackImplementationName) { |
309 UtilizeFallbackEncoder(); | 287 UtilizeFallbackEncoder(); |
310 // Hard coded expected value since libvpx is the software implementation name | 288 // Hard coded expected value since libvpx is the software implementation name |
311 // for VP8. Change accordingly if the underlying implementation does. | 289 // for VP8. Change accordingly if the underlying implementation does. |
312 CheckLastEncoderName("libvpx"); | 290 CheckLastEncoderName("libvpx"); |
313 } | 291 } |
314 | 292 |
315 } // namespace webrtc | 293 } // namespace webrtc |
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