*/
#include "gl_video_view.h"
+#include "film_viewer.h"
+#include "wx_util.h"
#include "lib/image.h"
#include "lib/dcpomatic_assert.h"
#include "lib/exceptions.h"
+#include "lib/cross.h"
+#include "lib/player_video.h"
+#include "lib/butler.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>
+#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;
+
+
+static void
+check_gl_error (char const * last)
+{
+ GLenum const e = glGetError ();
+ if (e != GL_NO_ERROR) {
+ throw GLError (last, e);
+ }
+}
-GLVideoView::GLVideoView (wxWindow *parent)
+
+GLVideoView::GLVideoView (FilmViewer* viewer, wxWindow *parent)
+ : VideoView (viewer)
+ , _have_storage (false)
+ , _vsync_enabled (false)
+ , _playing (false)
+ , _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::update, this));
+ _canvas->Bind (wxEVT_SIZE, boost::bind(boost::ref(Sized)));
- glGenTextures (1, &_id);
- glBindTexture (GL_TEXTURE_2D, _id);
- glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
+ _canvas->Bind (wxEVT_TIMER, boost::bind(&GLVideoView::check_for_butler_errors, this));
+ _timer.reset (new wxTimer(_canvas));
+ _timer->Start (2000);
}
GLVideoView::~GLVideoView ()
{
+ boost::this_thread::disable_interruption dis;
+
+ try {
+ _thread.interrupt ();
+ _thread.join ();
+ } catch (...) {}
+
glDeleteTextures (1, &_id);
- delete _context;
- /* XXX: should we delete this? */
- delete _canvas;
}
-static void
-check_gl_error (char const * last)
+void
+GLVideoView::check_for_butler_errors ()
{
- GLenum const e = glGetError ();
- if (e != GL_NO_ERROR) {
- throw GLError (last, e);
+ if (!_viewer->butler()) {
+ return;
+ }
+
+ try {
+ _viewer->butler()->rethrow ();
+ } catch (DecodeError& e) {
+ error_dialog (get(), e.what());
+ }
+}
+
+
+void
+GLVideoView::update ()
+{
+ if (!_thread.joinable()) {
+ _thread = boost::thread (boost::bind(&GLVideoView::thread, this));
}
+
+ {
+ boost::mutex::scoped_lock lm (_canvas_mutex);
+ if (!_canvas->IsShownOnScreen()) {
+ return;
+ }
+ }
+ request_one_shot ();
}
void
-GLVideoView::paint (wxPaintEvent &)
+GLVideoView::draw (Position<int> inter_position, dcp::Size inter_size)
{
- _canvas->SetCurrent (*_context);
- wxPaintDC dc (_canvas);
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);
- glViewport (0, 0, _canvas->GetSize().x, _canvas->GetSize().y);
+ wxSize canvas_size;
+ {
+ boost::mutex::scoped_lock lm (_canvas_mutex);
+ canvas_size = _canvas->GetSize ();
+ }
+
+ if (canvas_size.GetWidth() < 64 || canvas_size.GetHeight() < 0) {
+ return;
+ }
+
+ glViewport (0, 0, canvas_size.GetWidth(), canvas_size.GetHeight());
+ check_gl_error ("glViewport");
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
- gluOrtho2D (0, _canvas->GetSize().x, _canvas->GetSize().y, 0);
+DCPOMATIC_DISABLE_WARNINGS
+ gluOrtho2D (0, canvas_size.GetWidth(), canvas_size.GetHeight(), 0);
+DCPOMATIC_ENABLE_WARNINGS
+ check_gl_error ("gluOrtho2d");
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
glTranslatef (0, 0, 0);
+ dcp::Size const out_size = _viewer->out_size ();
+
if (_size) {
+ /* Render our image (texture) */
glBegin (GL_QUADS);
-
glTexCoord2f (0, 1);
glVertex2f (0, _size->height);
glTexCoord2f (1, 1);
glVertex2f (_size->width, 0);
glTexCoord2f (0, 0);
glVertex2f (0, 0);
+ glEnd ();
+ } else {
+ /* No image, so just fill with black */
+ glBegin (GL_QUADS);
+ glColor3ub (0, 0, 0);
+ glVertex2f (0, 0);
+ glVertex2f (out_size.width, 0);
+ glVertex2f (out_size.width, out_size.height);
+ glVertex2f (0, out_size.height);
+ glVertex2f (0, 0);
+ glEnd ();
+ }
+
+ 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);
+ 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();
+ check_gl_error ("glFlush");
+
+ boost::mutex::scoped_lock lm (_canvas_mutex);
_canvas->SwapBuffers();
}
void
GLVideoView::set_image (shared_ptr<const Image> image)
{
+ if (!image) {
+ _size = optional<dcp::Size>();
+ return;
+ }
+
DCPOMATIC_ASSERT (image->pixel_format() == AV_PIX_FMT_RGB24);
DCPOMATIC_ASSERT (!image->aligned());
+ if (image->size() != _size) {
+ _have_storage = false;
+ }
+
_size = image->size ();
glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
- glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB8, _size->width, _size->height, 0, GL_RGB, GL_UNSIGNED_BYTE, image->data()[0]);
- check_gl_error ("glTexImage2D");
+ check_gl_error ("glPixelStorei");
+ if (_have_storage) {
+ glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, _size->width, _size->height, GL_RGB, GL_UNSIGNED_BYTE, image->data()[0]);
+ check_gl_error ("glTexSubImage2D");
+ } else {
+ glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB8, _size->width, _size->height, 0, GL_RGB, GL_UNSIGNED_BYTE, image->data()[0]);
+ _have_storage = true;
+ check_gl_error ("glTexImage2D");
+ }
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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 ()
+{
+ VideoView::start ();
+
+ boost::mutex::scoped_lock lm (_playing_mutex);
+ _playing = true;
+ _thread_work_condition.notify_all ();
+}
+
+void
+GLVideoView::stop ()
+{
+ boost::mutex::scoped_lock lm (_playing_mutex);
+ _playing = false;
+}
+
+
+void
+GLVideoView::thread_playing ()
+{
+ if (length() != dcpomatic::DCPTime()) {
+ dcpomatic::DCPTime const next = position() + one_video_frame();
+
+ if (next >= length()) {
+ _viewer->finished ();
+ return;
+ }
+
+ get_next_frame (false);
+ set_image_and_draw ();
+ }
+
+ while (true) {
+ optional<int> n = time_until_next_frame();
+ if (!n || *n > 5) {
+ break;
+ }
+ get_next_frame (true);
+ add_dropped ();
+ }
+}
+
- _canvas->Refresh ();
+void
+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));
+ draw (pv->inter_position(), pv->inter_size());
+ }
}
+
+
+void
+GLVideoView::thread ()
+try
+{
+ {
+ boost::mutex::scoped_lock lm (_canvas_mutex);
+ _context = new wxGLContext (_canvas);
+ _canvas->SetCurrent (*_context);
+ }
+
+
+#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);
+ check_gl_error ("glGenTextures");
+ glBindTexture (GL_TEXTURE_2D, _id);
+ check_gl_error ("glBindTexture");
+ glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
+ check_gl_error ("glPixelStorei");
+
+ while (true) {
+ boost::mutex::scoped_lock lm (_playing_mutex);
+ while (!_playing && !_one_shot) {
+ _thread_work_condition.wait (lm);
+ }
+ lm.unlock ();
+
+ if (_playing) {
+ thread_playing ();
+ } else if (_one_shot) {
+ _one_shot = false;
+ set_image_and_draw ();
+ }
+
+ boost::this_thread::interruption_point ();
+ dcpomatic_sleep_milliseconds (time_until_next_frame().get_value_or(0));
+ }
+
+ /* XXX: leaks _context, but that seems preferable to deleting it here
+ * without also deleting the wxGLCanvas.
+ */
+}
+catch (boost::thread_interrupted& e)
+{
+ store_current ();
+}
+
+bool
+GLVideoView::display_next_frame (bool non_blocking)
+{
+ bool const r = get_next_frame (non_blocking);
+ request_one_shot ();
+ return r;
+}
+
+void
+GLVideoView::request_one_shot ()
+{
+ boost::mutex::scoped_lock lm (_playing_mutex);
+ _one_shot = true;
+ _thread_work_condition.notify_all ();
+}
+
projects / dcpomatic.git / blobdiff