1 #pragma once
2 
3 /*
4  * Copyright (C) 2017 The Android Open Source Project
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *      http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 
19 #include <array>
20 #include <cstdint>
21 #include <utility>
22 #include <vector>
23 
24 #include "common/libs/utils/size_utils.h"
25 #include "common/libs/tcp_socket/tcp_socket.h"
26 #include "host/libs/config/cuttlefish_config.h"
27 
28 namespace cuttlefish {
29 namespace vnc {
30 
31 // TODO(haining) when the hwcomposer gives a sequence number type, use that
32 // instead. It might just work to replace this class with a type alias
33 // using StripeSeqNumber = whatever_the_hwcomposer_uses;
34 class StripeSeqNumber {
35  public:
36   StripeSeqNumber() = default;
StripeSeqNumber(std::uint64_t t)37   explicit StripeSeqNumber(std::uint64_t t) : t_{t} {}
38   bool operator<(const StripeSeqNumber& other) const { return t_ < other.t_; }
39 
40   bool operator<=(const StripeSeqNumber& other) const { return t_ <= other.t_; }
41 
42  private:
43   std::uint64_t t_{};
44 };
45 
46 constexpr int32_t kJpegMaxQualityEncoding = -23;
47 constexpr int32_t kJpegMinQualityEncoding = -32;
48 
49 enum class ScreenOrientation { Portrait, Landscape };
50 constexpr int kNumOrientations = 2;
51 
52 struct Stripe {
53   int index = -1;
54   std::uint64_t frame_id{};
55   std::uint16_t x{};
56   std::uint16_t y{};
57   std::uint16_t width{};
58   std::uint16_t stride{};
59   std::uint16_t height{};
60   Message raw_data{};
61   Message jpeg_data{};
62   StripeSeqNumber seq_number{};
63   ScreenOrientation orientation{};
64 };
65 
66 }  // namespace vnc
67 }  // namespace cuttlefish
68