*/
#include "gl_video_view.h"
+#include "film_viewer.h"
#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_OSX
#include <OpenGL/glu.h>
#include <OpenGL/glext.h>
-#else
+#include <OpenGL/CGLTypes.h>
+#include <OpenGL/OpenGL.h>
+#endif
+
+#ifdef DCPOMATIC_LINUX
+#include <GL/glu.h>
+#include <GL/glext.h>
+#include <GL/glxext.h>
+#endif
+
+#ifdef DCPOMATIC_WINDOWS
#include <GL/glu.h>
#include <GL/glext.h>
+#include <GL/wglext.h>
#endif
using std::cout;
using boost::shared_ptr;
+using boost::optional;
-GLVideoView::GLVideoView (wxWindow *parent)
+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, _1));
+ _canvas->Bind (wxEVT_PAINT, boost::bind(&GLVideoView::paint, this));
+ _canvas->Bind (wxEVT_SIZE, boost::bind(boost::ref(Sized)));
+
+#if defined(DCPOMATIC_LINUX) && defined(DCPOMATIC_HAVE_GLX_SWAP_INTERVAL_EXT)
+ if (_canvas->IsExtensionSupported("GLX_EXT_swap_control")) {
+ /* 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 */
+ PFNWGLSWAPINTERVALEXTPROC swap = (PFNWGLSWAPINTERVALEXTPROC) wglGetProcAddress("wglSwapIntervalEXT");
+ if (swap) {
+ swap (1);
+ _vsync_enabled = true;
+ }
+ }
+
+#endif
+
+#ifdef DCPOMATIC_OSX
+ /* Enable vsync */
+ GLint swapInterval = 1;
+ CGLSetParameter (CGLGetCurrentContext(), kCGLCPSwapInterval, &swapInterval);
+ _vsync_enabled = true;
+#endif
glGenTextures (1, &_id);
glBindTexture (GL_TEXTURE_2D, _id);
GLVideoView::~GLVideoView ()
{
+ if (_thread) {
+ _thread->interrupt ();
+ _thread->join ();
+ }
+ delete _thread;
+
glDeleteTextures (1, &_id);
- delete _context;
- delete _canvas;
}
static void
}
void
-GLVideoView::paint (wxPaintEvent &)
+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
+GLVideoView::update ()
+{
+ if (!_canvas->IsShownOnScreen()) {
+ return;
+ }
+ /* XXX_b */
+// wxClientDC dc (_canvas);
+// draw ();
+}
+
+void
+GLVideoView::draw ()
+{
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
check_gl_error ("glClear");
check_gl_error ("glClearColor");
glEnable (GL_TEXTURE_2D);
check_gl_error ("glEnable GL_TEXTURE_2D");
- glEnable (GL_COLOR_MATERIAL);
- check_gl_error ("glEnable GL_COLOR_MATERIAL");
glEnable (GL_BLEND);
check_gl_error ("glEnable GL_BLEND");
glDisable (GL_DEPTH_TEST);
check_gl_error ("glDisable GL_DEPTH_TEST");
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ if (_canvas->GetSize().x < 64 || _canvas->GetSize().y < 0) {
+ return;
+ }
+
glViewport (0, 0, _canvas->GetSize().x, _canvas->GetSize().y);
+ check_gl_error ("glViewport");
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gluOrtho2D (0, _canvas->GetSize().x, _canvas->GetSize().y, 0);
+ check_gl_error ("gluOrtho2d");
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
glEnd ();
}
+ dcp::Size const out_size = _viewer->out_size ();
+ wxSize const canvas_size = _canvas->GetSize ();
+
+ if (!_viewer->pad_black() && out_size.width < canvas_size.GetWidth()) {
+ glBegin (GL_QUADS);
+ /* XXX: these colours are right for GNOME; may need adjusting for other OS */
+ glColor3ub (240, 240, 240);
+ glVertex2f (out_size.width, 0);
+ glVertex2f (canvas_size.GetWidth(), 0);
+ glVertex2f (canvas_size.GetWidth(), canvas_size.GetHeight());
+ glVertex2f (out_size.width, canvas_size.GetHeight());
+ glEnd ();
+ glColor3ub (255, 255, 255);
+ }
+
+ if (!_viewer->pad_black() && out_size.height < canvas_size.GetHeight()) {
+ glColor3ub (240, 240, 240);
+ int const gap = (canvas_size.GetHeight() - out_size.height) / 2;
+ glBegin (GL_QUADS);
+ glVertex2f (0, 0);
+ glVertex2f (canvas_size.GetWidth(), 0);
+ glVertex2f (canvas_size.GetWidth(), gap);
+ glVertex2f (0, gap);
+ glEnd ();
+ glBegin (GL_QUADS);
+ glVertex2f (0, gap + out_size.height + 1);
+ glVertex2f (canvas_size.GetWidth(), gap + out_size.height + 1);
+ glVertex2f (canvas_size.GetWidth(), 2 * gap + out_size.height + 2);
+ glVertex2f (0, 2 * gap + out_size.height + 2);
+ glEnd ();
+ glColor3ub (255, 255, 255);
+ }
+
+ if (_viewer->outline_content()) {
+ glColor3ub (255, 0, 0);
+ glBegin (GL_LINE_LOOP);
+ Position<int> inter_position = _viewer->inter_position ();
+ dcp::Size inter_size = _viewer->inter_size ();
+ glVertex2f (inter_position.x, inter_position.y + (canvas_size.GetHeight() - out_size.height) / 2);
+ glVertex2f (inter_position.x + inter_size.width, inter_position.y + (canvas_size.GetHeight() - out_size.height) / 2);
+ glVertex2f (inter_position.x + inter_size.width, inter_position.y + (canvas_size.GetHeight() - out_size.height) / 2 + inter_size.height);
+ glVertex2f (inter_position.x, inter_position.y + (canvas_size.GetHeight() - out_size.height) / 2 + inter_size.height);
+ glEnd ();
+ glColor3ub (255, 255, 255);
+ }
+
glFlush();
_canvas->SwapBuffers();
}
void
GLVideoView::set_image (shared_ptr<const Image> image)
{
- /* XXX: put this somewhere sensible */
- cout << glGetString (GL_VERSION) << "\n";
+ if (!image) {
+ _size = optional<dcp::Size>();
+ return;
+ }
DCPOMATIC_ASSERT (image->pixel_format() == AV_PIX_FMT_RGB24);
DCPOMATIC_ASSERT (!image->aligned());
_size = image->size ();
glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
+ check_gl_error ("glPixelStorei");
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB8, _size->width, _size->height, 0, GL_RGB, GL_UNSIGNED_BYTE, image->data()[0]);
check_gl_error ("glTexImage2D");
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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));
+}
- _canvas->Refresh ();
+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());
+}
+
+
projects / dcpomatic.git / blobdiff