1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <map> 20 #include <memory> 21 #include <mutex> 22 #include <optional> 23 #include <vector> 24 25 #include "host/frontend/webrtc/cvd_video_frame_buffer.h" 26 #include "host/frontend/webrtc/libdevice/video_sink.h" 27 #include "host/libs/wayland/wayland_server.h" 28 29 namespace cuttlefish { 30 31 namespace webrtc_streaming { 32 class Streamer; 33 } // namespace webrtc_streaming 34 35 class DisplayHandler { 36 public: 37 DisplayHandler(webrtc_streaming::Streamer& streamer, int wayland_socket_fd, 38 bool wayland_frames_are_rgba); 39 ~DisplayHandler() = default; 40 41 // If std::nullopt, send last frame for all displays. 42 void SendLastFrame(std::optional<uint32_t> display_number); 43 44 private: 45 std::unique_ptr<wayland::WaylandServer> wayland_server_; 46 std::map<uint32_t, std::shared_ptr<webrtc_streaming::VideoSink>> 47 display_sinks_; 48 webrtc_streaming::Streamer& streamer_; 49 std::map<uint32_t, std::shared_ptr<webrtc_streaming::VideoFrameBuffer>> 50 display_last_buffers_; 51 std::mutex last_buffer_mutex_; 52 std::mutex next_frame_mutex_; 53 }; 54 } // namespace cuttlefish 55