source/xineengine.cpp

   1 #include <algorithm>
   2 #include <stdexcept>
   3 #include <msp/fs/dir.h>
   4 #include <msp/graphics/display_private.h>
   5 #include <msp/graphics/window_private.h>
   6 #include "xineengine.h"
   7 #include "xinestream.h"
   8
   9 using namespace std;
  10 using namespace Msp;
  11
  12 XineEngine::XineEngine(Graphics::Window &w):
  13         window(w),
  14         pending_expose(0)
  15 {
  16         engine = xine_new();
  17
  18         FS::Path config_fn = FS::get_home_dir()/".xine"/"config";
  19         xine_config_load(engine, config_fn.c_str());
  20
  21         xine_init(engine);
  22
  23         audio_driver = xine_open_audio_driver(engine, "auto", 0);
  24         if(!audio_driver)
  25                 throw runtime_error("Could not open audio driver");
  26
  27         visual.display = window.get_display().get_private().display;
  28         visual.screen = 0;
  29         visual.d = window.get_private().window;
  30         visual.user_data = this;
  31         visual.dest_size_cb = &dest_size_cb;
  32         visual.frame_output_cb = &frame_output_cb;
  33         visual.lock_display = 0;
  34         visual.unlock_display = 0;
  35
  36         video_driver = xine_open_video_driver(engine, "auto", XINE_VISUAL_TYPE_X11, &visual);
  37         if(!video_driver)
  38                 throw runtime_error("Could not open video driver");
  39
  40         window.signal_expose.connect(sigc::mem_fun(this, &XineEngine::window_exposed));
  41 }
  42
  43 XineEngine::~XineEngine()
  44 {
  45         xine_close_video_driver(engine, video_driver);
  46         xine_close_audio_driver(engine, audio_driver);
  47         xine_exit(engine);
  48 }
  49
  50 void XineEngine::add_stream(XineStream &stream)
  51 {
  52         streams.push_back(&stream);
  53 }
  54
  55 void XineEngine::remove_stream(XineStream &stream)
  56 {
  57         list<XineStream *>::iterator i = find(streams.begin(), streams.end(), &stream);
  58         if(i!=streams.end())
  59                 streams.erase(i);
  60 }
  61
  62 void XineEngine::tick()
  63 {
  64         if(pending_expose)
  65         {
  66                 xine_port_send_gui_data(video_driver, XINE_GUI_SEND_EXPOSE_EVENT, &pending_expose->xevent);
  67                 delete pending_expose;
  68                 pending_expose = 0;
  69         }
  70
  71         for(list<XineStream *>::const_iterator i=streams.begin(); i!=streams.end(); ++i)
  72                 (*i)->tick();
  73 }
  74
  75 void XineEngine::window_exposed(unsigned, unsigned, unsigned, unsigned, const Graphics::Window::Event &event)
  76 {
  77         delete pending_expose;
  78         pending_expose = new Graphics::Window::Event(event);
  79 }
  80
  81 void XineEngine::dest_size_cb(void *user_data, int, int, double, int *dest_width, int *dest_height, double *dest_pixel_aspect)
  82 {
  83         XineEngine &engine = *reinterpret_cast<XineEngine *>(user_data);
  84         *dest_width = engine.window.get_width();
  85         *dest_height = engine.window.get_height();
  86         *dest_pixel_aspect = 1.0;
  87 }
  88
  89 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)
  90 {
  91         XineEngine &engine = *reinterpret_cast<XineEngine *>(user_data);
  92         *dest_x = 0;
  93         *dest_y = 0;
  94         *dest_width = engine.window.get_width();
  95         *dest_height = engine.window.get_height();
  96         *dest_pixel_aspect = 1.0;
  97         *win_x = 0;
  98         *win_y = 0;
  99 }