Update dialog layout fixes.
[dcpomatic.git] / src / wx / gl_video_view.cc
index 38270a7b7ba1fc42c6ca2fa7e99d493bc702ba74..7bf9e3adc6d8e880403a601f5b268c6e21bffeba 100644 (file)
@@ -27,7 +27,7 @@
 #include "lib/cross.h"
 #include "lib/player_video.h"
 #include "lib/butler.h"
-#include <boost/bind.hpp>
+#include <boost/bind/bind.hpp>
 #include <iostream>
 
 #ifdef DCPOMATIC_OSX
@@ -49,7 +49,7 @@
 #endif
 
 using std::cout;
-using boost::shared_ptr;
+using std::shared_ptr;
 using boost::optional;
 #if BOOST_VERSION >= 106100
 using namespace boost::placeholders;
@@ -68,6 +68,7 @@ check_gl_error (char const * last)
 
 GLVideoView::GLVideoView (FilmViewer* viewer, wxWindow *parent)
        : VideoView (viewer)
+       , _context (nullptr)
        , _have_storage (false)
        , _vsync_enabled (false)
        , _playing (false)
@@ -75,13 +76,23 @@ GLVideoView::GLVideoView (FilmViewer* viewer, wxWindow *parent)
 {
        _canvas = new wxGLCanvas (parent, wxID_ANY, 0, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE);
        _canvas->Bind (wxEVT_PAINT, boost::bind(&GLVideoView::update, this));
-       _canvas->Bind (wxEVT_SIZE, boost::bind(boost::ref(Sized)));
+       _canvas->Bind (wxEVT_SIZE, boost::bind(&GLVideoView::size_changed, this, _1));
 
        _canvas->Bind (wxEVT_TIMER, boost::bind(&GLVideoView::check_for_butler_errors, this));
        _timer.reset (new wxTimer(_canvas));
        _timer->Start (2000);
 }
 
+
+void
+GLVideoView::size_changed (wxSizeEvent const& ev)
+{
+       _canvas_size = ev.GetSize ();
+       Sized ();
+}
+
+
+
 GLVideoView::~GLVideoView ()
 {
        boost::this_thread::disable_interruption dis;
@@ -105,20 +116,25 @@ GLVideoView::check_for_butler_errors ()
                _viewer->butler()->rethrow ();
        } catch (DecodeError& e) {
                error_dialog (get(), e.what());
+       } catch (dcp::ReadError& e) {
+               error_dialog (get(), wxString::Format(_("Could not read DCP: %s"), std_to_wx(e.what())));
        }
 }
 
 
+/** Called from the UI thread */
 void
 GLVideoView::update ()
 {
-       {
-               boost::mutex::scoped_lock lm (_canvas_mutex);
-               if (!_canvas->IsShownOnScreen()) {
-                       return;
-               }
+       if (!_canvas->IsShownOnScreen()) {
+               return;
        }
 
+#ifdef DCPOMATIC_OSX
+       /* macOS gives errors if we don't do this (and therefore [NSOpenGLContext setView:]) from the main thread */
+       ensure_context ();
+#endif
+
        if (!_thread.joinable()) {
                _thread = boost::thread (boost::bind(&GLVideoView::thread, this));
        }
@@ -126,6 +142,16 @@ GLVideoView::update ()
        request_one_shot ();
 }
 
+
+void
+GLVideoView::ensure_context ()
+{
+       if (!_context) {
+               _context = new wxGLContext (_canvas);
+               _canvas->SetCurrent (*_context);
+       }
+}
+
 void
 GLVideoView::draw (Position<int> inter_position, dcp::Size inter_size)
 {
@@ -142,23 +168,21 @@ GLVideoView::draw (Position<int> inter_position, dcp::Size inter_size)
        check_gl_error ("glDisable GL_DEPTH_TEST");
        glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
-       wxSize canvas_size;
-       {
-               boost::mutex::scoped_lock lm (_canvas_mutex);
-               canvas_size = _canvas->GetSize ();
-       }
+       auto const size = _canvas_size.load();
+       int const width = size.GetWidth();
+       int const height = size.GetHeight();
 
-       if (canvas_size.GetWidth() < 64 || canvas_size.GetHeight() < 0) {
+       if (width < 64 || height < 0) {
                return;
        }
 
-       glViewport (0, 0, canvas_size.GetWidth(), canvas_size.GetHeight());
+       glViewport (0, 0, width, height);
        check_gl_error ("glViewport");
        glMatrixMode (GL_PROJECTION);
        glLoadIdentity ();
 
 DCPOMATIC_DISABLE_WARNINGS
-       gluOrtho2D (0, canvas_size.GetWidth(), canvas_size.GetHeight(), 0);
+       gluOrtho2D (0, width, height, 0);
 DCPOMATIC_ENABLE_WARNINGS
        check_gl_error ("gluOrtho2d");
        glMatrixMode (GL_MODELVIEW);
@@ -192,31 +216,31 @@ DCPOMATIC_ENABLE_WARNINGS
                glEnd ();
        }
 
-       if (!_viewer->pad_black() && out_size.width < canvas_size.GetWidth()) {
+       if (!_viewer->pad_black() && out_size.width < width) {
                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());
+               glVertex2f (width, 0);
+               glVertex2f (width, height);
+               glVertex2f (out_size.width, height);
                glEnd ();
                glColor3ub (255, 255, 255);
        }
 
-       if (!_viewer->pad_black() && out_size.height < canvas_size.GetHeight()) {
+       if (!_viewer->pad_black() && out_size.height < height) {
                glColor3ub (240, 240, 240);
-               int const gap = (canvas_size.GetHeight() - out_size.height) / 2;
+               int const gap = (height - out_size.height) / 2;
                glBegin (GL_QUADS);
                glVertex2f (0, 0);
-               glVertex2f (canvas_size.GetWidth(), 0);
-               glVertex2f (canvas_size.GetWidth(), gap);
+               glVertex2f (width, 0);
+               glVertex2f (width, 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 (width, gap + out_size.height + 1);
+               glVertex2f (width, 2 * gap + out_size.height + 2);
                glVertex2f (0, 2 * gap + out_size.height + 2);
                glEnd ();
                glColor3ub (255, 255, 255);
@@ -225,10 +249,10 @@ DCPOMATIC_ENABLE_WARNINGS
        if (_viewer->outline_content()) {
                glColor3ub (255, 0, 0);
                glBegin (GL_LINE_LOOP);
-               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);
+               glVertex2f (inter_position.x, inter_position.y + (height - out_size.height) / 2);
+               glVertex2f (inter_position.x + inter_size.width, inter_position.y + (height - out_size.height) / 2);
+               glVertex2f (inter_position.x + inter_size.width, inter_position.y + (height - out_size.height) / 2 + inter_size.height);
+               glVertex2f (inter_position.x, inter_position.y + (height - out_size.height) / 2 + inter_size.height);
                glEnd ();
                glColor3ub (255, 255, 255);
        }
@@ -236,7 +260,6 @@ DCPOMATIC_ENABLE_WARNINGS
        glFlush();
        check_gl_error ("glFlush");
 
-       boost::mutex::scoped_lock lm (_canvas_mutex);
        _canvas->SwapBuffers();
 }
 
@@ -325,7 +348,7 @@ GLVideoView::set_image_and_draw ()
 {
        shared_ptr<PlayerVideo> pv = player_video().first;
        if (pv) {
-               set_image (pv->image(bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24), false, true));
+               set_image (pv->image(bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24), VideoRange::FULL, false, true));
                draw (pv->inter_position(), pv->inter_size());
                _viewer->image_changed (pv);
        }
@@ -336,12 +359,21 @@ void
 GLVideoView::thread ()
 try
 {
-       {
-               boost::mutex::scoped_lock lm (_canvas_mutex);
-               _context = new wxGLContext (_canvas);
-               _canvas->SetCurrent (*_context);
-       }
+       start_of_thread ("GLVideoView");
 
+#if defined(DCPOMATIC_OSX)
+       /* Without this we see errors like
+        * ../src/osx/cocoa/glcanvas.mm(194): assert ""context"" failed in SwapBuffers(): should have current context [in thread 700006970000]
+        */
+       WXGLSetCurrentContext (_context->GetWXGLContext());
+#else
+       /* We must call this here on Linux otherwise we get no image (for reasons
+        * that aren't clear).  However, doing ensure_context() from this thread
+        * on macOS gives
+        * "[NSOpenGLContext setView:] must be called from the main thread".
+        */
+       ensure_context ();
+#endif
 
 #if defined(DCPOMATIC_LINUX) && defined(DCPOMATIC_HAVE_GLX_SWAP_INTERVAL_EXT)
        if (_canvas->IsExtensionSupported("GLX_EXT_swap_control")) {
@@ -405,14 +437,16 @@ catch (boost::thread_interrupted& e)
        store_current ();
 }
 
-bool
+
+VideoView::NextFrameResult
 GLVideoView::display_next_frame (bool non_blocking)
 {
-       bool const r = get_next_frame (non_blocking);
+       NextFrameResult const r = get_next_frame (non_blocking);
        request_one_shot ();
        return r;
 }
 
+
 void
 GLVideoView::request_one_shot ()
 {