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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "media/base/video_frame.h" | |
| 6 #include "remoting/base/codec_test.h" | |
| 7 #include "remoting/base/decoder_vp8.h" | |
| 8 #include "remoting/base/encoder_vp8.h" | |
| 9 #include "testing/gtest/include/gtest/gtest.h" | |
| 10 | |
| 11 namespace remoting { | |
| 12 | |
| 13 class DecoderVp8Test : public testing::Test { | |
| 14 protected: | |
| 15 EncoderVp8 encoder_; | |
| 16 DecoderVp8 decoder_; | |
| 17 | |
| 18 void TestGradient(int screen_width, int screen_height, | |
| 19 int view_width, int view_height, | |
| 20 double max_error_limit, double mean_error_limit) { | |
| 21 TestEncoderDecoderGradient(&encoder_, &decoder_, | |
| 22 SkISize::Make(screen_width, screen_height), | |
| 23 SkISize::Make(view_width, view_height), | |
| 24 max_error_limit, mean_error_limit); | |
| 25 } | |
| 26 }; | |
| 27 | |
| 28 TEST_F(DecoderVp8Test, EncodeAndDecode) { | |
| 29 TestEncoderDecoder(&encoder_, &decoder_, false); | |
| 30 } | |
| 31 | |
| 32 // Check that encoding and decoding a particular frame doesn't change the | |
| 33 // frame too much. The frame used is a gradient, which does not contain sharp | |
| 34 // transitions, so encoding lossiness should not be too high. | |
| 35 TEST_F(DecoderVp8Test, Gradient) { | |
| 36 TestGradient(320, 240, 320, 240, 0.03, 0.01); | |
| 37 } | |
| 38 | |
| 39 TEST_F(DecoderVp8Test, GradientScaleUpEvenToEven) { | |
| 40 TestGradient(320, 240, 640, 480, 0.04, 0.02); | |
| 41 } | |
| 42 | |
| 43 TEST_F(DecoderVp8Test, GradientScaleUpEvenToOdd) { | |
| 44 TestGradient(320, 240, 641, 481, 0.04, 0.02); | |
| 45 } | |
| 46 | |
| 47 TEST_F(DecoderVp8Test, GradientScaleUpOddToEven) { | |
| 48 TestGradient(321, 241, 640, 480, 0.04, 0.02); | |
| 49 } | |
| 50 | |
| 51 TEST_F(DecoderVp8Test, GradientScaleUpOddToOdd) { | |
| 52 TestGradient(321, 241, 641, 481, 0.04, 0.02); | |
| 53 } | |
| 54 | |
| 55 TEST_F(DecoderVp8Test, GradientScaleDownEvenToEven) { | |
| 56 TestGradient(320, 240, 160, 120, 0.04, 0.02); | |
| 57 } | |
| 58 | |
| 59 TEST_F(DecoderVp8Test, GradientScaleDownEvenToOdd) { | |
| 60 // The maximum error is non-deterministic. The mean error is not too high, | |
| 61 // which suggests that the problem is restricted to a small area of the output | |
| 62 // image. See crbug.com/139437 and crbug.com/139633. | |
| 63 TestGradient(320, 240, 161, 121, 1.0, 0.02); | |
| 64 } | |
| 65 | |
| 66 TEST_F(DecoderVp8Test, GradientScaleDownOddToEven) { | |
| 67 TestGradient(321, 241, 160, 120, 0.04, 0.02); | |
| 68 } | |
| 69 | |
| 70 TEST_F(DecoderVp8Test, GradientScaleDownOddToOdd) { | |
| 71 TestGradient(321, 241, 161, 121, 0.04, 0.02); | |
| 72 } | |
| 73 | |
| 74 } // namespace remoting | |
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