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- // Copyright 2014 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_encoder_helper.h"
- #include <memory>
- #include "remoting/proto/video.pb.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
- using webrtc::BasicDesktopFrame;
- using webrtc::DesktopRect;
- using webrtc::DesktopRegion;
- using webrtc::DesktopSize;
- using webrtc::DesktopVector;
- namespace remoting {
- TEST(VideoEncoderHelperTest, PropagatesCommonFields) {
- BasicDesktopFrame frame(DesktopSize(32, 32));
- frame.set_dpi(DesktopVector(96, 97));
- frame.set_capture_time_ms(20);
- frame.mutable_updated_region()->SetRect(DesktopRect::MakeLTRB(0, 0, 16, 16));
- VideoEncoderHelper helper;
- std::unique_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame));
- ASSERT_TRUE(packet->has_format());
- EXPECT_FALSE(packet->format().has_encoding());
- EXPECT_TRUE(packet->format().has_screen_width());
- EXPECT_TRUE(packet->format().has_screen_height());
- EXPECT_TRUE(packet->format().has_x_dpi());
- EXPECT_TRUE(packet->format().has_y_dpi());
- EXPECT_EQ(1, packet->dirty_rects().size());
- }
- TEST(VideoEncoderHelperTest, ZeroDpi) {
- BasicDesktopFrame frame(DesktopSize(32, 32));
- // DPI is zero unless explicitly set.
- VideoEncoderHelper helper;
- std::unique_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame));
- // Packet should have a format containing the screen dimensions only.
- ASSERT_TRUE(packet->has_format());
- EXPECT_TRUE(packet->format().has_screen_width());
- EXPECT_TRUE(packet->format().has_screen_height());
- EXPECT_FALSE(packet->format().has_x_dpi());
- EXPECT_FALSE(packet->format().has_y_dpi());
- }
- TEST(VideoEncoderHelperTest, NoScreenSizeIfUnchanged) {
- BasicDesktopFrame frame(DesktopSize(32, 32));
- // Set DPI so that the packet will have a format, with DPI but no size.
- frame.set_dpi(DesktopVector(96, 97));
- VideoEncoderHelper helper;
- std::unique_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame));
- packet = helper.CreateVideoPacket(frame);
- ASSERT_TRUE(packet->has_format());
- EXPECT_FALSE(packet->format().has_screen_width());
- EXPECT_FALSE(packet->format().has_screen_height());
- EXPECT_TRUE(packet->format().has_x_dpi());
- EXPECT_TRUE(packet->format().has_y_dpi());
- }
- TEST(VideoEncoderHelperTest, ScreenSizeWhenChanged) {
- VideoEncoderHelper helper;
- // Process the same frame twice, so the helper knows the current size, and
- // to trigger suppression of the size field due to the size not changing.
- BasicDesktopFrame frame1(DesktopSize(32, 32));
- std::unique_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame1));
- packet = helper.CreateVideoPacket(frame1);
- // Process a different-sized frame to trigger size to be emitted.
- BasicDesktopFrame frame2(DesktopSize(48, 48));
- packet = helper.CreateVideoPacket(frame2);
- ASSERT_TRUE(packet->has_format());
- EXPECT_TRUE(packet->format().has_screen_width());
- EXPECT_TRUE(packet->format().has_screen_height());
- }
- } // namespace remoting
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