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[252/906] avoid a dead lock on window closure

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This commit is contained in:
Julien Isorce 2008-10-25 16:18:23 +02:00 committed by Matthew Waters
parent 2c9bb405a0
commit 5a84fd49a9
4 changed files with 91 additions and 55 deletions
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17
gst-libs/gst/gl/gstgldisplay.c
View file

@ -346,9 +346,9 @@ gst_gl_display_finalize (GObject* object)
//leave gl window loop
gst_gl_display_lock (display);
GST_DEBUG ("send quit gl window loop");
GST_INFO ("send quit gl window loop");
gst_gl_window_quit_loop (display->gl_window);
GST_DEBUG ("quit sent to gl window loop");
GST_INFO ("quit sent to gl window loop");
gst_gl_display_unlock (display);
if (display->gl_thread)
@ -453,7 +453,9 @@ gst_gl_display_thread_create_context (GstGLDisplay *display)
gst_gl_window_run_loop (display->gl_window);
GST_DEBUG ("loop exited\n");
GST_INFO ("loop exited\n");
display->isAlive = FALSE;
gst_gl_display_thread_destroy_context (display);
@ -870,7 +872,7 @@ gst_gl_display_thread_init_download (GstGLDisplay *display)
if (GLEW_EXT_framebuffer_object)
{
GST_DEBUG ("Context, EXT_framebuffer_object supported: yes");
GST_INFO ("Context, EXT_framebuffer_object supported: yes");
//-- init output frame buffer object (GL -> video)
@ -1054,7 +1056,7 @@ gst_gl_display_thread_init_download (GstGLDisplay *display)
else
{
//turn off the pipeline because colorspace conversion is not possible
GST_DEBUG ("Context, ARB_fragment_shader supported: no");
GST_WARNING ("Context, ARB_fragment_shader supported: no");
display->isAlive = FALSE;
}
}
@ -1325,11 +1327,12 @@ gst_gl_display_on_resize (GstGLDisplay* display, gint width, gint height)
void gst_gl_display_on_draw(GstGLDisplay* display)
{
//check if video format has been setup
//check if tecture is ready for being drawn
if (!display->redisplay_texture)
return;
//opengl scene
GST_INFO ("on draw");
//make sure that the environnement is clean
if (display->upload_colorspace_conversion == GST_GL_DISPLAY_CONVERSION_GLSL)
@ -1378,9 +1381,7 @@ void gst_gl_display_on_draw(GstGLDisplay* display)
void gst_gl_display_on_close (GstGLDisplay* display)
{
GST_INFO ("on close");
gst_gl_display_lock (display);
display->isAlive = FALSE;
gst_gl_display_unlock (display);
}

6
gst-libs/gst/gl/gstglshader.c
View file

@ -140,6 +140,12 @@ gst_gl_shader_log_handler (const gchar *domain, GLogLevelFlags flags,
}
}
static void
gst_gl_shader_base_init (gpointer g_class)
{
}
static void
gst_gl_shader_class_init (GstGLShaderClass * klass)
{

1
gst-libs/gst/gl/gstglwindow.h
View file

@ -53,7 +53,6 @@ struct _GstGLWindow {
struct _GstGLWindowClass {
/*< private >*/
GObjectClass parent_class;
guint64 instance;
};
/* methods */

122
gst-libs/gst/gl/gstglwindow_win32.c
View file

@ -56,6 +56,7 @@ struct _GstGLWindowPrivate
gpointer resize_data;
GstGLWindowCB close_cb;
gpointer close_data;
gboolean is_closed;
};
G_DEFINE_TYPE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT);
@ -84,34 +85,19 @@ gst_gl_window_log_handler (const gchar *domain, GLogLevelFlags flags,
}
}
static void
gst_gl_window_base_init (gpointer g_class)
{
}
static void
gst_gl_window_class_init (GstGLWindowClass * klass)
{
WNDCLASS wc;
ATOM atom = 0;
GObjectClass *obj_class = G_OBJECT_CLASS (klass);
klass->instance = (guint64) GetModuleHandle (NULL);
g_type_class_add_private (klass, sizeof (GstGLWindowPrivate));
obj_class->finalize = gst_gl_window_finalize;
atom = GetClassInfo ((HINSTANCE)klass->instance, "GSTGL", &wc);
ZeroMemory (&wc, sizeof(WNDCLASS));
wc.lpfnWndProc = window_proc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = (HINSTANCE) klass->instance;
wc.hIcon = LoadIcon( NULL, IDI_WINLOGO );
wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = "GSTGL";
atom = RegisterClass (&wc);
}
static void
@ -133,9 +119,37 @@ gst_gl_window_new (gint width, gint height)
GstGLWindow *window = g_object_new (GST_GL_TYPE_WINDOW, NULL);
GstGLWindowPrivate *priv = window->priv;
GstGLWindowClass* klass = GST_GL_WINDOW_GET_CLASS (window);
WNDCLASS wc;
ATOM atom = 0;
HINSTANCE hinstance = GetModuleHandle (NULL);
static gint x = 0;
static gint y = 0;
atom = GetClassInfo (hinstance, "GSTGL", &wc);
if (atom == 0)
{
ZeroMemory (&wc, sizeof(WNDCLASS));
wc.lpfnWndProc = window_proc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hinstance;
wc.hIcon = LoadIcon (NULL, IDI_WINLOGO);
wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = "GSTGL";
atom = RegisterClass (&wc);
if (atom == 0)
g_error ("Failed to register window class %x\r\n", GetLastError());
}
x += 20;
y += 20;
@ -151,6 +165,7 @@ gst_gl_window_new (gint width, gint height)
priv->resize_data = NULL;
priv->close_cb = NULL;
priv->close_data = NULL;
priv->is_closed = FALSE;
width += 2 * GetSystemMetrics (SM_CXSIZEFRAME);
height += 2 * GetSystemMetrics (SM_CYSIZEFRAME) + GetSystemMetrics (SM_CYCAPTION);
@ -163,11 +178,15 @@ gst_gl_window_new (gint width, gint height)
x, y, width, height,
(HWND) NULL,
(HMENU) NULL,
(HINSTANCE) klass->instance,
hinstance,
window
);
g_assert (priv->internal_win_id);
if (!priv->internal_win_id)
{
g_debug ("failed to create gl window: %d\n", priv->internal_win_id);
return NULL;
}
g_debug ("gl window created: %d\n", priv->internal_win_id);
@ -177,13 +196,7 @@ gst_gl_window_new (gint width, gint height)
UpdateWindow (priv->internal_win_id);
ShowCursor (TRUE);
if (wglMakeCurrent (priv->device, priv->gl_context))
return window;
else
{
g_debug ("Failed to make opengl context current");
return NULL;
}
return window;
}
GQuark
@ -283,6 +296,8 @@ gst_gl_window_visible (GstGLWindow *window, gboolean visible)
{
GstGLWindowPrivate *priv = window->priv;
BOOL ret = FALSE;
g_debug ("set visible %d\n", priv->internal_win_id);
if (visible)
ret = ShowWindow (priv->internal_win_id, SW_SHOW);
@ -298,7 +313,7 @@ gst_gl_window_draw (GstGLWindow *window)
if (!priv->has_external_window_id)
RedrawWindow (priv->internal_win_id, NULL, NULL,
RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE /*| RDW_UPDATENOW*/);
RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE);
else
{
PAINTSTRUCT ps;
@ -365,7 +380,7 @@ gst_gl_window_run_loop (GstGLWindow *window)
{
if (bRet == -1)
{
g_debug ("error in gst_gl_window_run_loop\n");
g_error ("Failed to get message %x\r\n", GetLastError());
running = FALSE;
}
else
@ -431,7 +446,7 @@ gst_gl_window_set_pixel_format (GstGLWindow *window)
pfd.cAccumGreenBits = 0;
pfd.cAccumBlueBits = 0;
pfd.cAccumAlphaBits = 0;
pfd.cDepthBits = 24;
pfd.cDepthBits = 32;
pfd.cStencilBits = 8;
pfd.cAuxBuffers = 0;
pfd.iLayerType = PFD_MAIN_PLANE;
@ -459,8 +474,6 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
g_debug ("WM_CREATE\n");
SetWindowLongPtr (hWnd, GWLP_USERDATA, (LONG)(guint64)(gpointer) window);
g_assert (window);
{
@ -471,11 +484,15 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
if (priv->gl_context)
g_debug ("gl context created: %d\n", priv->gl_context);
else
g_debug ("failed to create glcontext %d\n", hWnd);
g_debug ("failed to create glcontext %d, %x\r\n", hWnd, GetLastError());
g_assert (priv->gl_context);
ReleaseDC (hWnd, priv->device);
if (!wglMakeCurrent (priv->device, priv->gl_context))
g_debug ("failed to make opengl context current %d, %x\r\n", hWnd, GetLastError());
}
SetWindowLongPtr (hWnd, GWLP_USERDATA, (LONG)(guint64)(gpointer) window);
return 0;
}
else if (GetWindowLongPtr(hWnd, GWLP_USERDATA)) {
@ -491,6 +508,8 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
g_assert (priv->internal_win_id == hWnd);
g_assert (priv->gl_context == wglGetCurrentContext());
switch ( uMsg ) {
case WM_SIZE:
@ -516,18 +535,24 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
case WM_CLOSE:
{
g_debug ("WM_CLOSE\n");
if (priv->close_cb)
priv->close_cb (priv->close_data);
wglMakeCurrent (NULL, NULL);
priv->is_closed = TRUE;
SetWindowLongPtr (hWnd, GWLP_USERDATA, 0);
if (!wglMakeCurrent (NULL, NULL))
g_debug ("failed to make current %d, %x\r\n", hWnd, GetLastError());
if (priv->gl_context)
wglDeleteContext (priv->gl_context);
{
if (!wglDeleteContext (priv->gl_context))
g_debug ("failed to destroy context %d, %x\r\n", priv->gl_context, GetLastError());
}
if (priv->internal_win_id)
DestroyWindow(priv->internal_win_id);
SetWindowLongPtr (hWnd, GWLP_USERDATA, 0);
DestroyWindow(hWnd);
{
if (!DestroyWindow(priv->internal_win_id))
g_debug ("failed to destroy window %d, %x\r\n", hWnd, GetLastError());
}
PostQuitMessage (0);
break;
}
@ -542,8 +567,13 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
case WM_GSTGLWINDOW:
{
GstGLWindowCB custom_cb = (GstGLWindowCB) lParam;
custom_cb ((gpointer) wParam);
if (priv->is_closed && priv->close_cb)
priv->close_cb (priv->close_data);
else
{
GstGLWindowCB custom_cb = (GstGLWindowCB) lParam;
custom_cb ((gpointer) wParam);
}
break;
}