[feat] remove dependence on ffmpeg for MacOSx

src/screen_capturer/macosx/screen_capturer_sck.cpp

@@ -0,0 +1,51 @@
+#include "screen_capturer_sck.h"
+
+#include "rd_log.h"
+
+ScreenCapturerSck::ScreenCapturerSck() {}
+ScreenCapturerSck::~ScreenCapturerSck() {
+  // if (inited_ && capture_thread_.joinable()) {
+  //   capture_thread_.join();
+  //   inited_ = false;
+  // }
+}
+
+int ScreenCapturerSck::Init(const int fps, cb_desktop_data cb) {
+  if (cb) {
+    on_data_ = cb;
+  } else {
+    LOG_ERROR("cb is null");
+    return -1;
+  }
+
+  screen_capturer_sck_impl_ = CreateScreenCapturerSck();
+  screen_capturer_sck_impl_->Init(fps, on_data_);
+
+  return 0;
+}
+
+int ScreenCapturerSck::Destroy() { return 0; }
+
+int ScreenCapturerSck::Start() {
+  // if (running_) {
+  //   return 0;
+  // }
+
+  // running_ = true;
+  // capture_thread_ = std::thread([this]() {
+  //   while (running_) {
+  //   }
+  // });
+
+  return 0;
+}
+
+int ScreenCapturerSck::Stop() { return 0; }
+
+int ScreenCapturerSck::Pause() { return 0; }
+
+int ScreenCapturerSck::Resume() { return 0; }
+
+void ScreenCapturerSck::OnFrame() {}
+
+void ScreenCapturerSck::CleanUp() {}