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.
5 #include "remoting/codec/video_decoder_vp8.h"
7 #include "media/base/video_frame.h"
8 #include "remoting/codec/codec_test.h"
9 #include "remoting/codec/video_encoder_vp8.h"
10 #include "testing/gtest/include/gtest/gtest.h"
11 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
15 class VideoDecoderVp8Test
: public testing::Test
{
17 VideoEncoderVp8 encoder_
;
18 VideoDecoderVp8 decoder_
;
20 void TestGradient(int screen_width
, int screen_height
,
21 int view_width
, int view_height
,
22 double max_error_limit
, double mean_error_limit
) {
23 TestVideoEncoderDecoderGradient(
25 webrtc::DesktopSize(screen_width
, screen_height
),
26 webrtc::DesktopSize(view_width
, view_height
),
27 max_error_limit
, mean_error_limit
);
31 TEST_F(VideoDecoderVp8Test
, VideoEncodeAndDecode
) {
32 TestVideoEncoderDecoder(&encoder_
, &decoder_
, false);
35 // Check that encoding and decoding a particular frame doesn't change the
36 // frame too much. The frame used is a gradient, which does not contain sharp
37 // transitions, so encoding lossiness should not be too high.
38 TEST_F(VideoDecoderVp8Test
, Gradient
) {
39 TestGradient(320, 240, 320, 240, 0.04, 0.02);
42 TEST_F(VideoDecoderVp8Test
, GradientScaleUpEvenToEven
) {
43 TestGradient(320, 240, 640, 480, 0.04, 0.02);
46 TEST_F(VideoDecoderVp8Test
, GradientScaleUpEvenToOdd
) {
47 TestGradient(320, 240, 641, 481, 0.04, 0.02);
50 TEST_F(VideoDecoderVp8Test
, GradientScaleUpOddToEven
) {
51 TestGradient(321, 241, 640, 480, 0.04, 0.02);
54 TEST_F(VideoDecoderVp8Test
, GradientScaleUpOddToOdd
) {
55 TestGradient(321, 241, 641, 481, 0.04, 0.02);
58 TEST_F(VideoDecoderVp8Test
, GradientScaleDownEvenToEven
) {
59 TestGradient(320, 240, 160, 120, 0.04, 0.02);
62 TEST_F(VideoDecoderVp8Test
, GradientScaleDownEvenToOdd
) {
63 // The maximum error is non-deterministic. The mean error is not too high,
64 // which suggests that the problem is restricted to a small area of the output
65 // image. See crbug.com/139437 and crbug.com/139633.
66 TestGradient(320, 240, 161, 121, 1.0, 0.02);
69 TEST_F(VideoDecoderVp8Test
, GradientScaleDownOddToEven
) {
70 TestGradient(321, 241, 160, 120, 0.04, 0.02);
73 TEST_F(VideoDecoderVp8Test
, GradientScaleDownOddToOdd
) {
74 TestGradient(321, 241, 161, 121, 0.04, 0.02);
77 } // namespace remoting