voutagl.m

VLC Player Source Code

                        p_vout->p_sys->viewBounds = viewBounds;
                    }
                }
            }
            return VLC_SUCCESS;
        }

        case VOUT_REDRAW_RECT:
        {
            vout_thread_t * p_parent;
            Rect areaBounds;

            areaBounds.top = va_arg( args, int);
            areaBounds.left = va_arg( args, int);
            areaBounds.bottom = va_arg( args, int);
            areaBounds.right = va_arg( args, int);

            /* Ask the opengl module to redraw */
            p_parent = (vout_thread_t *) p_vout->p_parent;
            if( p_parent && p_parent->pf_display )
            {
                p_parent->pf_display( p_parent, NULL );
            }
            return VLC_SUCCESS;
        }

        case VOUT_REPARENT:
        {
            AGLDrawable drawable = (AGLDrawable)va_arg( args, int);
            if( !p_vout->b_fullscreen && drawable != p_vout->p_sys->agl_drawable )
            {
                p_vout->p_sys->agl_drawable = drawable;
                aglSetDrawable(p_vout->p_sys->agl_ctx, drawable);
            }
            return VLC_SUCCESS;
        }

        default:
            return vout_vaControlDefault( p_vout, i_query, args );
    }
}

void aglSwap( vout_thread_t * p_vout )
{
    if( ! p_vout->p_sys->b_clipped_out )
    {
        p_vout->p_sys->b_got_frame = true;
        aglSwapBuffers(p_vout->p_sys->agl_ctx);
    }
    else
    {
        /* drop frame */
        glFlush();
    }
}

/* Enter this function with the p_vout locked */
static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
{
    // mozilla plugin provides coordinates based on port bounds
    // however AGL coordinates are based on window structure region
    // and are vertically flipped
    GLint rect[4];
    CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
    Rect winBounds, clientBounds;

    GetWindowBounds(GetWindowFromPort(port),
        kWindowStructureRgn, &winBounds);
    GetWindowBounds(GetWindowFromPort(port),
        kWindowContentRgn, &clientBounds);

    /* update video clipping bounds in drawable */
    rect[0] = (clientBounds.left-winBounds.left)
            + clipBounds.left;                  // from window left edge
    rect[1] = (winBounds.bottom-winBounds.top)
            - (clientBounds.top-winBounds.top)
            - clipBounds.bottom;                // from window bottom edge
    rect[2] = clipBounds.right-clipBounds.left; // width
    rect[3] = clipBounds.bottom-clipBounds.top; // height
    aglSetInteger(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT, rect);
    aglEnable(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT);

    /* update video internal bounds in drawable */
    p_vout->p_sys->i_width  = viewBounds.right-viewBounds.left;
    p_vout->p_sys->i_height = viewBounds.bottom-viewBounds.top;
    p_vout->p_sys->i_offx   = -clipBounds.left - viewBounds.left;
    p_vout->p_sys->i_offy   = clipBounds.bottom + viewBounds.top
                            - p_vout->p_sys->i_height;

    aglUpdateContext(p_vout->p_sys->agl_ctx);
}

//default window event handler
static pascal OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
{
    OSStatus result = noErr;
    UInt32 class = GetEventClass (event);
    UInt32 kind = GetEventKind (event);
    vout_thread_t *p_vout = (vout_thread_t *)userData;

    result = CallNextEventHandler(nextHandler, event);
    if(class == kEventClassCommand)
    {
        HICommand theHICommand;
        GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof( HICommand ), NULL, &theHICommand );
 
        switch ( theHICommand.commandID )
        {
            default:
                result = eventNotHandledErr;
        }
    }
    else if(class == kEventClassWindow)
    {
        WindowRef     window;
        Rect          rectPort = {0,0,0,0};
 
        GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &window);

        if(window)
        {
            GetPortBounds(GetWindowPort(window), &rectPort);
        }

        switch (kind)
        {
            case kEventWindowClosed:
            case kEventWindowZoomed:
            case kEventWindowBoundsChanged:
                break;
 
            default:
                result = eventNotHandledErr;
        }
    }
    else if(class == kEventClassMouse)
    {
        switch (kind)
        {
            case kEventMouseDown:
            {
                UInt16     button;
 
                GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
                switch (button)
                {
                    case kEventMouseButtonPrimary:
                    {
                        vlc_value_t val;

                        var_Get( p_vout, "mouse-button-down", &val );
                        val.i_int |= 1;
                        var_Set( p_vout, "mouse-button-down", val );
                        break;
                    }
                    case kEventMouseButtonSecondary:
                    {
                        vlc_value_t val;

                        var_Get( p_vout, "mouse-button-down", &val );
                        val.i_int |= 2;
                        var_Set( p_vout, "mouse-button-down", val );
                        break;
                    }
                    case kEventMouseButtonTertiary:
                    {
                        vlc_value_t val;

                        var_Get( p_vout, "mouse-button-down", &val );
                        val.i_int |= 4;
                        var_Set( p_vout, "mouse-button-down", val );
                        break;
                    }
                    default:
                        result = eventNotHandledErr;
                }
                break;
            }

            case kEventMouseUp:
            {
                UInt16     button;
 
                GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
                switch (button)
                {
                    case kEventMouseButtonPrimary:
                    {
                        UInt32 clickCount = 0;
                        GetEventParameter(event, kEventParamClickCount, typeUInt32, NULL, sizeof(clickCount), NULL, &clickCount);
                        if( clickCount > 1 )
                        {
                            vlc_value_t val;

                            val.b_bool = false;
                            var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
                        }
                        else
                        {
                            vlc_value_t val;

                            val.b_bool = true;
                            var_Set( p_vout, "mouse-clicked", val );

                            var_Get( p_vout, "mouse-button-down", &val );
                            val.i_int &= ~1;
                            var_Set( p_vout, "mouse-button-down", val );
                        }
                        break;
                    }
                    case kEventMouseButtonSecondary:
                    {
                        vlc_value_t val;

                        var_Get( p_vout, "mouse-button-down", &val );
                        val.i_int &= ~2;
                        var_Set( p_vout, "mouse-button-down", val );
                        break;
                    }
                    case kEventMouseButtonTertiary:
                    {
                        vlc_value_t val;

                        var_Get( p_vout, "mouse-button-down", &val );
                        val.i_int &= ~2;
                        var_Set( p_vout, "mouse-button-down", val );
                        break;
                    }
                    default:
                        result = eventNotHandledErr;
                }
                break;
            }

            case kEventMouseMoved:
            {
                Point ml;
                vlc_value_t val;

                unsigned int i_x, i_y;
                unsigned int i_height = p_vout->p_sys->i_height;
                unsigned int i_width  = p_vout->p_sys->i_width;

                vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);

                GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
 
                val.i_int = ( ((int)ml.h) - i_x ) *
                            p_vout->render.i_width / i_width;
                var_Set( p_vout, "mouse-x", val );

                val.i_int = ( ((int)ml.v) - i_y ) *
                            p_vout->render.i_height / i_height;

                var_Set( p_vout, "mouse-y", val );

                val.b_bool = true;
                var_Set( p_vout, "mouse-moved", val );

                break;
            }
 
            default:
                result = eventNotHandledErr;
        }
    }
    else if(class == kEventClassTextInput)
    {
        switch (kind)
        {
            case kEventTextInputUnicodeForKeyEvent:
            {
                break;
            }
            default:
                result = eventNotHandledErr;
        }
    }
    else if(class == kEventClassVLCPlugin)
    {
        switch (kind)
        {
            case kEventVLCPluginShowFullscreen:
                ShowWindow (p_vout->p_sys->theWindow);
                SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
                //CGDisplayHideCursor(kCGDirectMainDisplay);
                break;
            case kEventVLCPluginHideFullscreen:
                HideWindow (p_vout->p_sys->theWindow);
                SetSystemUIMode( kUIModeNormal, 0);
                CGDisplayShowCursor(kCGDirectMainDisplay);
                break;
            default:
                result = eventNotHandledErr;
                break;
        }
    }
    return result;
}

int aglLock( vout_thread_t * p_vout )
{
#ifdef __ppc__
    /*
     * before 10.4, we set the AGL context as current and
     * then we retrieve and use the matching CGL context
     */
    aglSetCurrentContext(p_vout->p_sys->agl_ctx);
    return kCGLNoError != CGLLockContext( CGLGetCurrentContext() );
#else
    /* since 10.4, this is the safe way to get the underlying CGL context */
    CGLContextObj cglContext;
    if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
    {
        if( kCGLNoError == CGLLockContext( cglContext ) )
        {
            aglSetCurrentContext(p_vout->p_sys->agl_ctx);
            return 0;
        }
    }
    return 1;
#endif
}

void aglUnlock( vout_thread_t * p_vout )
{
#ifdef __ppc__
    /*
     * before 10.4, we assume that the AGL context is current.
     * therefore, we use the current CGL context
     */
    CGLUnlockContext( CGLGetCurrentContext() );
#else
    /* since 10.4, this is the safe way to get the underlying CGL context */
    CGLContextObj cglContext;
    if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
    {
        CGLUnlockContext( cglContext );
    }
#endif
}