138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
#include "screen_capture.h"
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#include <iostream>
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// TODO: Include FFmpeg headers when implementing
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// extern "C" {
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// #include <libavcodec/avcodec.h>
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// #include <libavformat/avformat.h>
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// #include <libavutil/avutil.h>
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// }
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// TODO: Include DBus/Portal headers for Wayland
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// #include <dbus/dbus.h>
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namespace scar {
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ScreenCapture::ScreenCapture()
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: capturing_(false) {
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backend_ = detectBestBackend();
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}
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ScreenCapture::~ScreenCapture() {
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stop();
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}
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ScreenCaptureBackend ScreenCapture::detectBestBackend() {
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#ifdef _WIN32
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return ScreenCaptureBackend::FFMPEG_WINDOWS;
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#else
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// Check for Wayland/Hyprland
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const char* waylandDisplay = std::getenv("WAYLAND_DISPLAY");
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const char* hyprlandInstance = std::getenv("HYPRLAND_INSTANCE_SIGNATURE");
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if (waylandDisplay || hyprlandInstance) {
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std::cout << "Detected Wayland/Hyprland environment" << std::endl;
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return ScreenCaptureBackend::PORTAL_PIPEWIRE;
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}
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// Fallback to X11
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std::cout << "Detected X11 environment" << std::endl;
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return ScreenCaptureBackend::FFMPEG_X11;
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#endif
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}
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bool ScreenCapture::start() {
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return start(backend_);
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}
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bool ScreenCapture::start(ScreenCaptureBackend backend) {
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if (capturing_) {
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return true;
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}
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backend_ = backend;
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switch (backend_) {
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case ScreenCaptureBackend::FFMPEG_X11:
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return startX11Capture();
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case ScreenCaptureBackend::FFMPEG_WAYLAND:
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case ScreenCaptureBackend::PORTAL_PIPEWIRE:
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return startWaylandCapture();
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case ScreenCaptureBackend::FFMPEG_WINDOWS:
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return startWindowsCapture();
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}
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return false;
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}
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void ScreenCapture::stop() {
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if (!capturing_) {
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return;
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}
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std::cout << "Stopping screen capture..." << std::endl;
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// TODO: Clean up FFmpeg resources
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// avformat_close_input(&formatCtx_);
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// avcodec_free_context(&codecCtx_);
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// av_frame_free(&frame_);
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capturing_ = false;
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}
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void ScreenCapture::setFrameCallback(FrameCallback callback) {
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frameCallback_ = std::move(callback);
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}
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bool ScreenCapture::startX11Capture() {
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std::cout << "Starting X11 screen capture via FFmpeg..." << std::endl;
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// TODO: Implement X11 capture using FFmpeg
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// 1. Open x11grab input device
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// 2. Set up video codec (H.264 or raw)
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// 3. Read frames in loop
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// 4. Call frameCallback_ for each frame
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// Example: ffmpeg -f x11grab -i :0.0 -c:v libx264 ...
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capturing_ = true;
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return true;
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}
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bool ScreenCapture::startWaylandCapture() {
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std::cout << "Starting Wayland screen capture via xdg-desktop-portal + Pipewire..." << std::endl;
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// TODO: Implement portal-based capture
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// 1. Connect to DBus
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// 2. Call org.freedesktop.portal.ScreenCast.CreateSession
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// 3. Select sources via SelectSources
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// 4. Start the session
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// 5. Retrieve Pipewire node ID
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// 6. Connect to Pipewire stream using node ID
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// 7. Read frames and call frameCallback_
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// Note: May need to prompt user for screen selection dialog
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capturing_ = true;
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return true;
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}
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bool ScreenCapture::startWindowsCapture() {
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std::cout << "Starting Windows screen capture via FFmpeg..." << std::endl;
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// TODO: Implement Windows GDI capture using FFmpeg
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// 1. Open gdigrab input device
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// 2. Set up video codec
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// 3. Read frames in loop
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// 4. Call frameCallback_ for each frame
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// Example: ffmpeg -f gdigrab -i desktop -c:v libx264 ...
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capturing_ = true;
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return true;
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}
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bool ScreenCapture::startPortalCapture() {
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return startWaylandCapture(); // Same implementation
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}
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} // namespace scar
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