1 files changed, 105 insertions, 0 deletions
diff --git a/video-ps3eye/wrapper.cxx b/video-ps3eye/wrapper.cxx
index add62992..be9e338e 100644
--- a/video-ps3eye/wrapper.cxx
+++ b/video-ps3eye/wrapper.cxx
@@ -1,7 +1,112 @@
 #include "shm-layout.hpp"
+#include "shm.hpp"
+
+#include "ps3eye-driver/ps3eye.hpp"
+
+#include <cstdlib>
+
+#ifdef __clang__
+#   pragma clang diagnostic ignored "-Watomic-implicit-seq-cst"
+#endif
+
+#ifdef __GNUG__
+#   pragma GCC diagnostic ignored "-Wcast-qual"
+#   pragma GCC diagnostic ignored "-Wformat-security"
+#   pragma GCC diagnostic ignored "-Wformat-nonliteral"
+#endif
+
+#ifdef _MSC_VER
+#   include <windows.h>
+#   define FULL_BARRIER [](){ _ReadWriteBarrier(); MemoryBarrier(); }
+#else
+#   define FULL_BARRIER __sync_synchronize
+#endif
+
+template<int N, typename... xs>
+[[noreturn]]
+static void error(volatile ps3eye::shm_out& out, const char (&error)[N], const xs&... args)
+{
+    snprintf((char*)out.error_string, sizeof(ps3eye::shm_out::error_string), error, args...);
+    std::quick_exit(2);
+}
+
+static void update_settings(ps3eye::camera& camera, const volatile ps3eye::shm_in& in)
+{
+    camera.set_framerate(in.framerate);
+    camera.set_auto_gain(in.auto_gain);
+    camera.set_gain(in.gain);
+    camera.set_exposure(in.exposure);
+    camera.set_test_pattern_status(in.test_pattern);
+}
 
 int main(int argc, char** argv)
 {
     (void)argc; (void)argv;
+    shm_wrapper mem_("ps3eye-driver-shm", nullptr, sizeof(ps3eye::shm));
+    volatile auto& ptr_ = *(ps3eye::shm*)mem_.ptr();
+    const volatile auto& in = ptr_.in;
+    volatile auto& out = ptr_.out;
+
+    auto cameras = ps3eye::list_devices();
+
+    if (cameras.empty())
+        error(out, "no camera found");
+
+    auto& camera = cameras[0];
+    uint8_t* frame;
+    decltype(out.timecode) timecode = 0;
+
+    {
+        ps3eye::resolution mode;
+        switch (in.resolution)
+        {
+        case ps3eye::shm_in::mode::qvga:
+            mode = ps3eye::res_QVGA;
+            frame = (uint8_t*)out.data_320x240;
+            break;
+        case ps3eye::shm_in::mode::vga:
+            mode = ps3eye::res_VGA;
+            frame = (uint8_t*)out.data_640x480;
+            break;
+        default: error(out, "wrong resolution %u", (unsigned)mode);
+        }
+
+        int framerate = in.framerate;
+        if (!framerate)
+            framerate = 60;
+
+        bool ret = camera->init(mode, framerate) && camera->start();
+        if (!ret)
+            error(out, "camera init failed: %s", camera->error_string());
+    }
+
+    update_settings(*camera, in);
+
+    for (;;)
+    {
+        {
+            auto cookie = in.settings_updated;
+            if (cookie != out.settings_updated_ack)
+            {
+                update_settings(*camera, in);
+                out.settings_updated_ack = cookie;
+            }
+        }
+
+        bool success = true;
+
+        success &= camera->get_frame(frame);
+
+        if (!success)
+            error(out, "error %s", camera->error_string());
+
+        out.timecode = ++timecode;
+
+        if (in.do_exit)
+            break;
+
+        FULL_BARRIER();
+    }
+
     return 0;
 }