+#include <stdexcept>
+#include <msp/fs/dir.h>
+#include <msp/graphics/display_private.h>
+#include <msp/graphics/window_private.h>
+#include "xineengine.h"
+
+using namespace std;
+using namespace Msp;
+
+XineEngine::XineEngine(const Graphics::Window &w, Mutex *m):
+ window(w),
+ display_mutex(m),
+ locked_thread(0),
+ lock_count(0)
+{
+ engine = xine_new();
+
+ FS::Path config_fn = FS::get_home_dir()/".xine"/"config";
+ xine_config_load(engine, config_fn.c_str());
+
+ xine_init(engine);
+
+ audio_driver = xine_open_audio_driver(engine, "auto", 0);
+ if(!audio_driver)
+ throw runtime_error("Could not open audio driver");
+
+ visual.display = window.get_display().get_private().display;
+ visual.screen = 0;
+ visual.d = window.get_private().window;
+ visual.user_data = this;
+ visual.dest_size_cb = &dest_size_cb;
+ visual.frame_output_cb = &frame_output_cb;
+ if(display_mutex)
+ {
+ visual.lock_display = &lock_cb;
+ visual.unlock_display = &unlock_cb;
+ }
+ else
+ {
+ visual.lock_display = 0;
+ visual.unlock_display = 0;
+ }
+
+ video_driver = xine_open_video_driver(engine, "auto", XINE_VISUAL_TYPE_X11_2, &visual);
+ if(!video_driver)
+ throw runtime_error("Could not open video driver");
+}
+
+XineEngine::~XineEngine()
+{
+ xine_close_video_driver(engine, video_driver);
+ xine_close_audio_driver(engine, audio_driver);
+ xine_exit(engine);
+}
+
+void XineEngine::dest_size_cb(void *user_data, int, int, double, int *dest_width, int *dest_height, double *dest_pixel_aspect)
+{
+ XineEngine &engine = *reinterpret_cast<XineEngine *>(user_data);
+ *dest_width = engine.window.get_width();
+ *dest_height = engine.window.get_height();
+ *dest_pixel_aspect = 1.0;
+}
+
+void XineEngine::frame_output_cb(void *user_data, int, int, double, int *dest_x, int *dest_y, int *dest_width, int *dest_height, double *dest_pixel_aspect, int *win_x, int *win_y)
+{
+ XineEngine &engine = *reinterpret_cast<XineEngine *>(user_data);
+ *dest_x = 0;
+ *dest_y = 0;
+ *dest_width = engine.window.get_width();
+ *dest_height = engine.window.get_height();
+ *dest_pixel_aspect = 1.0;
+ *win_x = 0;
+ *win_y = 0;
+}
+
+void XineEngine::lock_cb(void *user_data)
+{
+ XineEngine &engine = *reinterpret_cast<XineEngine *>(user_data);
+ pthread_t tid = pthread_self();
+ if(tid==engine.locked_thread)
+ ++engine.lock_count;
+ else
+ {
+ engine.display_mutex->lock();
+ engine.locked_thread = tid;
+ engine.lock_count = 1;
+ }
+}
+
+void XineEngine::unlock_cb(void *user_data)
+{
+ XineEngine &engine = *reinterpret_cast<XineEngine *>(user_data);
+ pthread_t tid = pthread_self();
+ if(tid!=engine.locked_thread)
+ throw logic_error("Unlock from non-locked thread");
+ if(!--engine.lock_count)
+ {
+ engine.locked_thread = 0;
+ engine.display_mutex->unlock();
+ }
+}