1 // Copyright 2014 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 "remoting/codec/video_encoder_helper.h" 6 7 #include "base/memory/scoped_ptr.h" 8 #include "remoting/proto/video.pb.h" 9 #include "testing/gtest/include/gtest/gtest.h" 10 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h" 11 12 using webrtc::BasicDesktopFrame; 13 using webrtc::DesktopRect; 14 using webrtc::DesktopRegion; 15 using webrtc::DesktopSize; 16 using webrtc::DesktopVector; 17 18 namespace remoting { 19 20 TEST(VideoEncoderHelperTest, PropagatesCommonFields) { 21 BasicDesktopFrame frame(DesktopSize(32, 32)); 22 frame.set_dpi(DesktopVector(96, 97)); 23 frame.set_capture_time_ms(20); 24 frame.mutable_updated_region()->SetRect(DesktopRect::MakeLTRB(0, 0, 16, 16)); 25 scoped_ptr<DesktopRegion> shape( 26 new DesktopRegion(DesktopRect::MakeLTRB(16, 0, 32, 16))); 27 frame.set_shape(shape.release()); 28 29 VideoEncoderHelper helper; 30 scoped_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame)); 31 32 ASSERT_TRUE(packet->has_format()); 33 EXPECT_FALSE(packet->format().has_encoding()); 34 EXPECT_TRUE(packet->format().has_screen_width()); 35 EXPECT_TRUE(packet->format().has_screen_height()); 36 EXPECT_TRUE(packet->format().has_x_dpi()); 37 EXPECT_TRUE(packet->format().has_y_dpi()); 38 39 EXPECT_TRUE(packet->has_capture_time_ms()); 40 EXPECT_EQ(1, packet->dirty_rects().size()); 41 42 ASSERT_TRUE(packet->has_use_desktop_shape()); 43 EXPECT_TRUE(packet->use_desktop_shape()); 44 45 EXPECT_EQ(1, packet->desktop_shape_rects().size()); 46 } 47 48 TEST(VideoEncoderHelperTest, ZeroDpi) { 49 BasicDesktopFrame frame(DesktopSize(32, 32)); 50 // DPI is zero unless explicitly set. 51 52 VideoEncoderHelper helper; 53 scoped_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame)); 54 55 // Packet should have a format containing the screen dimensions only. 56 ASSERT_TRUE(packet->has_format()); 57 EXPECT_TRUE(packet->format().has_screen_width()); 58 EXPECT_TRUE(packet->format().has_screen_height()); 59 EXPECT_FALSE(packet->format().has_x_dpi()); 60 EXPECT_FALSE(packet->format().has_y_dpi()); 61 } 62 63 TEST(VideoEncoderHelperTest, NoShape) { 64 BasicDesktopFrame frame(DesktopSize(32, 32)); 65 66 VideoEncoderHelper helper; 67 scoped_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame)); 68 69 EXPECT_FALSE(packet->use_desktop_shape()); 70 EXPECT_EQ(0, packet->desktop_shape_rects().size()); 71 } 72 73 TEST(VideoEncoderHelperTest, NoScreenSizeIfUnchanged) { 74 BasicDesktopFrame frame(DesktopSize(32, 32)); 75 // Set DPI so that the packet will have a format, with DPI but no size. 76 frame.set_dpi(DesktopVector(96, 97)); 77 78 VideoEncoderHelper helper; 79 scoped_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame)); 80 packet = helper.CreateVideoPacket(frame); 81 82 ASSERT_TRUE(packet->has_format()); 83 EXPECT_FALSE(packet->format().has_screen_width()); 84 EXPECT_FALSE(packet->format().has_screen_height()); 85 EXPECT_TRUE(packet->format().has_x_dpi()); 86 EXPECT_TRUE(packet->format().has_y_dpi()); 87 } 88 89 TEST(VideoEncoderHelperTest, ScreenSizeWhenChanged) { 90 VideoEncoderHelper helper; 91 92 // Process the same frame twice, so the helper knows the current size, and 93 // to trigger suppression of the size field due to the size not changing. 94 BasicDesktopFrame frame1(DesktopSize(32, 32)); 95 scoped_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame1)); 96 packet = helper.CreateVideoPacket(frame1); 97 98 // Process a different-sized frame to trigger size to be emitted. 99 BasicDesktopFrame frame2(DesktopSize(48, 48)); 100 packet = helper.CreateVideoPacket(frame2); 101 102 ASSERT_TRUE(packet->has_format()); 103 EXPECT_TRUE(packet->format().has_screen_width()); 104 EXPECT_TRUE(packet->format().has_screen_height()); 105 } 106 107 } // namespace remoting 108
