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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/codec/video_decoder_vpx.h"
#include "media/base/video_frame.h"
#include "remoting/codec/codec_test.h"
#include "remoting/codec/video_encoder_vpx.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
namespace remoting {
namespace {
class VideoDecoderVpxTest : public testing::Test {
protected:
scoped_ptr<VideoEncoderVpx> encoder_;
scoped_ptr<VideoDecoderVpx> decoder_;
VideoDecoderVpxTest() : encoder_(VideoEncoderVpx::CreateForVP8()),
decoder_(VideoDecoderVpx::CreateForVP8()) {
}
void TestGradient(int screen_width, int screen_height,
int view_width, int view_height,
double max_error_limit, double mean_error_limit) {
TestVideoEncoderDecoderGradient(
encoder_.get(), decoder_.get(),
webrtc::DesktopSize(screen_width, screen_height),
webrtc::DesktopSize(view_width, view_height),
max_error_limit, mean_error_limit);
}
};
class VideoDecoderVp8Test : public VideoDecoderVpxTest {
protected:
VideoDecoderVp8Test() {
encoder_ = VideoEncoderVpx::CreateForVP8();
decoder_ = VideoDecoderVpx::CreateForVP8();
}
};
class VideoDecoderVp9Test : public VideoDecoderVpxTest {
protected:
VideoDecoderVp9Test() {
encoder_ = VideoEncoderVpx::CreateForVP9();
decoder_ = VideoDecoderVpx::CreateForVP9();
}
};
} // namespace
//
// Test the VP8 codec.
//
TEST_F(VideoDecoderVp8Test, VideoEncodeAndDecode) {
TestVideoEncoderDecoder(encoder_.get(), decoder_.get(), false);
}
// Check that encoding and decoding a particular frame doesn't change the
// frame too much. The frame used is a gradient, which does not contain sharp
// transitions, so encoding lossiness should not be too high.
TEST_F(VideoDecoderVp8Test, Gradient) {
TestGradient(320, 240, 320, 240, 0.04, 0.02);
}
TEST_F(VideoDecoderVp8Test, GradientScaleUpEvenToEven) {
TestGradient(320, 240, 640, 480, 0.04, 0.02);
}
TEST_F(VideoDecoderVp8Test, GradientScaleUpEvenToOdd) {
TestGradient(320, 240, 641, 481, 0.04, 0.02);
}
TEST_F(VideoDecoderVp8Test, GradientScaleUpOddToEven) {
TestGradient(321, 241, 640, 480, 0.04, 0.02);
}
TEST_F(VideoDecoderVp8Test, GradientScaleUpOddToOdd) {
TestGradient(321, 241, 641, 481, 0.04, 0.02);
}
TEST_F(VideoDecoderVp8Test, GradientScaleDownEvenToEven) {
TestGradient(320, 240, 160, 120, 0.04, 0.02);
}
TEST_F(VideoDecoderVp8Test, GradientScaleDownEvenToOdd) {
// The maximum error is non-deterministic. The mean error is not too high,
// which suggests that the problem is restricted to a small area of the output
// image. See crbug.com/139437 and crbug.com/139633.
TestGradient(320, 240, 161, 121, 1.0, 0.02);
}
TEST_F(VideoDecoderVp8Test, GradientScaleDownOddToEven) {
TestGradient(321, 241, 160, 120, 0.04, 0.02);
}
TEST_F(VideoDecoderVp8Test, GradientScaleDownOddToOdd) {
TestGradient(321, 241, 161, 121, 0.04, 0.02);
}
//
// Test the VP9 codec.
//
TEST_F(VideoDecoderVp9Test, VideoEncodeAndDecode) {
TestVideoEncoderDecoder(encoder_.get(), decoder_.get(), false);
}
// Check that encoding and decoding a particular frame doesn't change the
// frame too much. The frame used is a gradient, which does not contain sharp
// transitions, so encoding lossiness should not be too high.
TEST_F(VideoDecoderVp9Test, Gradient) {
TestGradient(320, 240, 320, 240, 0.04, 0.02);
}
TEST_F(VideoDecoderVp9Test, GradientScaleUpEvenToEven) {
TestGradient(320, 240, 640, 480, 0.04, 0.02);
}
TEST_F(VideoDecoderVp9Test, GradientScaleUpEvenToOdd) {
TestGradient(320, 240, 641, 481, 0.04, 0.02);
}
TEST_F(VideoDecoderVp9Test, GradientScaleUpOddToEven) {
TestGradient(321, 241, 640, 480, 0.04, 0.02);
}
TEST_F(VideoDecoderVp9Test, GradientScaleUpOddToOdd) {
TestGradient(321, 241, 641, 481, 0.04, 0.02);
}
TEST_F(VideoDecoderVp9Test, GradientScaleDownEvenToEven) {
TestGradient(320, 240, 160, 120, 0.04, 0.02);
}
TEST_F(VideoDecoderVp9Test, GradientScaleDownEvenToOdd) {
// The maximum error is non-deterministic. The mean error is not too high,
// which suggests that the problem is restricted to a small area of the output
// image. See crbug.com/139437 and crbug.com/139633.
TestGradient(320, 240, 161, 121, 1.0, 0.02);
}
TEST_F(VideoDecoderVp9Test, GradientScaleDownOddToEven) {
TestGradient(321, 241, 160, 120, 0.04, 0.02);
}
TEST_F(VideoDecoderVp9Test, GradientScaleDownOddToOdd) {
TestGradient(321, 241, 161, 121, 0.04, 0.02);
}
} // namespace remoting
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