#include "lib/image.h"
#include "lib/dcpomatic_assert.h"
#include "lib/exceptions.h"
+#include "lib/cross.h"
+#include "lib/player_video.h"
#include <boost/bind.hpp>
#include <iostream>
#ifdef DCPOMATIC_WINDOWS
#include <GL/glu.h>
#include <GL/glext.h>
+#include <GL/wglext.h>
#endif
using std::cout;
GLVideoView::GLVideoView (FilmViewer* viewer, wxWindow *parent)
: VideoView (viewer)
+ , _vsync_enabled (false)
+ , _thread (0)
+ , _one_shot (false)
{
_canvas = new wxGLCanvas (parent, wxID_ANY, 0, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE);
- _context = new wxGLContext (_canvas);
_canvas->Bind (wxEVT_PAINT, boost::bind(&GLVideoView::paint, this));
_canvas->Bind (wxEVT_SIZE, boost::bind(boost::ref(Sized)));
/* Enable vsync */
Display* dpy = wxGetX11Display();
glXSwapIntervalEXT (dpy, DefaultScreen(dpy), 1);
+ _vsync_enabled = true;
}
#endif
#ifdef DCPOMATIC_WINDOWS
if (_canvas->IsExtensionSupported("WGL_EXT_swap_control")) {
/* Enable vsync */
- wglSwapIntervalEXT (1);
+ PFNWGLSWAPINTERVALEXTPROC swap = (PFNWGLSWAPINTERVALEXTPROC) wglGetProcAddress("wglSwapIntervalEXT");
+ if (swap) {
+ swap (1);
+ _vsync_enabled = true;
+ }
}
#endif
/* Enable vsync */
GLint swapInterval = 1;
CGLSetParameter (CGLGetCurrentContext(), kCGLCPSwapInterval, &swapInterval);
+ _vsync_enabled = true;
#endif
glGenTextures (1, &_id);
GLVideoView::~GLVideoView ()
{
+ if (_thread) {
+ _thread->interrupt ();
+ _thread->join ();
+ }
+ delete _thread;
+
glDeleteTextures (1, &_id);
- delete _context;
}
static void
- check_gl_error (char const * last)
+check_gl_error (char const * last)
{
GLenum const e = glGetError ();
if (e != GL_NO_ERROR) {
void
GLVideoView::paint ()
{
+ /* XXX_b: can't do this yet */
+#if 0
_viewer->state_timer().set("paint-panel");
_canvas->SetCurrent (*_context);
wxPaintDC dc (_canvas);
draw ();
_viewer->state_timer().unset();
+#endif
}
void
if (!_canvas->IsShownOnScreen()) {
return;
}
- wxClientDC dc (_canvas);
- draw ();
+ /* XXX_b */
+// wxClientDC dc (_canvas);
+// draw ();
}
void
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
check_gl_error ("glTexParameterf");
}
+
+void
+GLVideoView::start ()
+{
+ _thread = new boost::thread (boost::bind(&GLVideoView::thread, this));
+}
+
+void
+GLVideoView::stop ()
+{
+ if (_thread) {
+ _thread->interrupt ();
+ _thread->join ();
+ }
+ delete _thread;
+ _thread = 0;
+}
+
+bool
+GLVideoView::one_shot () const
+{
+ boost::mutex::scoped_lock lm (_one_shot_mutex);
+ return _one_shot;
+}
+
+void
+GLVideoView::set_one_shot (bool s)
+{
+ boost::mutex::scoped_lock lm (_one_shot_mutex);
+ _one_shot = s;
+}
+
+void
+GLVideoView::thread ()
+try
+{
+ /* XXX_b: check all calls and signal emissions in this method & protect them if necessary */
+ {
+ boost::mutex::scoped_lock lm (_context_mutex);
+ _context = new wxGLContext (_canvas);
+ _canvas->SetCurrent (*_context);
+ }
+
+ while (true) {
+ if (!film() && !one_shot()) {
+ /* XXX: this should be an indefinite wait until
+ one of our conditions becomes true.
+ */
+ dcpomatic_sleep_milliseconds (40);
+ continue;
+ }
+
+ set_one_shot (false);
+
+ dcpomatic::DCPTime const next = position() + one_video_frame();
+
+ if (next >= film()->length()) {
+ _viewer->stop ();
+ _viewer->emit_finished ();
+ continue;
+ }
+
+ get_next_frame (false);
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ set_image (_player_video.first->image(bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24), false, true));
+ }
+ draw ();
+
+ while (time_until_next_frame() < 5) {
+ get_next_frame (true);
+ }
+
+ boost::this_thread::interruption_point ();
+ dcpomatic_sleep_milliseconds (time_until_next_frame());
+ }
+
+ {
+ boost::mutex::scoped_lock lm (_context_mutex);
+ delete _context;
+ }
+}
+catch (boost::thread_interrupted& e)
+{
+ /* XXX_b: store exceptions here */
+ delete _context;
+ return;
+}
+
+wxGLContext *
+GLVideoView::context () const
+{
+ boost::mutex::scoped_lock lm (_context_mutex);
+ return _context;
+}
+
+bool
+GLVideoView::display_next_frame (bool non_blocking)
+{
+ bool const g = get_next_frame (non_blocking);
+ set_one_shot (true);
+ return g;
+}
+
+dcpomatic::DCPTime
+GLVideoView::one_video_frame () const
+{
+ return dcpomatic::DCPTime::from_frames (1, film()->video_frame_rate());
+}
+
+