/*****************************************************************************
* vout_beos.cpp: beos video output display method
*****************************************************************************
* Copyright (C) 2000, 2001 VideoLAN
* $Id: vout_beos.cpp,v 1.25 2001/04/29 17:03:20 sam Exp $
*
* Authors: Jean-Marc Dressler <polux@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
* Tony Castley <tcastley@mail.powerup.com.au>
* Richard Shepherd <richard@rshepherd.demon.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#define MODULE_NAME beos
#include "modules_inner.h"
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "defs.h"
#include <errno.h> /* ENOMEM */
#include <stdlib.h> /* free() */
#include <stdio.h>
#include <string.h> /* strerror() */
#include <kernel/OS.h>
#include <View.h>
#include <Application.h>
#include <Window.h>
#include <Locker.h>
#include <Screen.h>
#include <malloc.h>
#include <string.h>
extern "C"
{
#include "config.h"
#include "common.h"
#include "threads.h"
#include "mtime.h"
#include "tests.h"
#include "modules.h"
#include "video.h"
#include "video_output.h"
#include "interface.h"
#include "intf_msg.h"
#include "main.h"
}
#include "VideoWindow.h"
#include <Screen.h>
#define WIDTH 128
#define HEIGHT 64
#define BITS_PER_PLANE 16
#define BYTES_PER_PIXEL 2
/*****************************************************************************
* vout_sys_t: BeOS video output method descriptor
*****************************************************************************
* This structure is part of the video output thread descriptor.
* It describes the BeOS specific properties of an output thread.
*****************************************************************************/
typedef struct vout_sys_s
{
VideoWindow * p_window;
byte_t * pp_buffer[2];
s32 i_width;
s32 i_height;
} vout_sys_t;
/*****************************************************************************
* beos_GetAppWindow : retrieve a BWindow pointer from the window name
*****************************************************************************/
BWindow *beos_GetAppWindow(char *name)
{
int32 index;
BWindow *window;
for (index = 0 ; ; index++)
{
window = be_app->WindowAt(index);
if (window == NULL)
break;
if (window->LockWithTimeout(200000) == B_OK)
{
if (strcmp(window->Name(), name) == 0)
{
window->Unlock();
break;
}
window->Unlock();
}
}
return window;
}
/*****************************************************************************
* DrawingThread : thread that really does the drawing
*****************************************************************************/
int32 DrawingThread(void *data)
{
VideoWindow *w;
w = (VideoWindow*) data;
while(!w->teardownwindow)
{
if (w->Lock())
{
if( w->fDirty )
{
if(w->fUsingOverlay)
{
rgb_color key;
w->view->SetViewOverlay( w->bitmap[w->i_buffer_index],
w->bitmap[w->i_buffer_index]->Bounds(),
w->Bounds(),
&key,
B_FOLLOW_ALL,
B_OVERLAY_FILTER_HORIZONTAL | B_OVERLAY_FILTER_VERTICAL
| B_OVERLAY_TRANSFER_CHANNEL );
w->view->SetViewColor(key);
}
else
{
w->view->DrawBitmap( w->bitmap[w->i_buffer_index],
w->bitmap[w->i_buffer_index]->Bounds(),
w->Bounds());
}
w->fDirty = false;
}
w->Unlock();
}
else // we couldn't lock the window, it probably closed.
return B_ERROR;
snooze (20000);
} // while
return B_OK;
}
/*****************************************************************************
* VideoWindow constructor and destructor
*****************************************************************************/
VideoWindow::VideoWindow(BRect frame, const char *name, vout_thread_t *p_video_output )
: BWindow(frame, name, B_TITLED_WINDOW, NULL)
{
float minWidth, minHeight, maxWidth, maxHeight;
teardownwindow = false;
is_zoomed = false;
p_vout = p_video_output;
fDrawThreadID = NULL;
bitmap[0] = NULL;
bitmap[1] = NULL;
rect = Frame();
view = new VLCView(Bounds());
AddChild(view);
bitmap[0] = new BBitmap(Bounds(), B_BITMAP_WILL_OVERLAY|B_BITMAP_RESERVE_OVERLAY_CHANNEL, B_YCbCr422);
bitmap[1] = new BBitmap(Bounds(), B_BITMAP_WILL_OVERLAY, B_YCbCr422);
fUsingOverlay = true;
i_screen_depth = 16;
p_vout->b_YCbr = true;
if ((bitmap[0]->InitCheck() != B_OK) || (bitmap[1]->InitCheck() != B_OK))
{
delete bitmap[0];
delete bitmap[1];
p_vout->b_YCbr = false;
fUsingOverlay = false;
BScreen *screen;
screen = new BScreen();
color_space space = screen->ColorSpace();
delete screen;
if(space == B_RGB15)
{
bitmap[0] = new BBitmap(Bounds(), B_RGB15);
bitmap[1] = new BBitmap(Bounds(), B_RGB15);
i_screen_depth = 15;
}
else if(space == B_RGB16)
{
bitmap[0] = new BBitmap(Bounds(), B_RGB16);
bitmap[1] = new BBitmap(Bounds(), B_RGB16);
i_screen_depth = 16;
}
else //default to 32bpp
{
bitmap[0] = new BBitmap(Bounds(), B_RGB32);
bitmap[1] = new BBitmap(Bounds(), B_RGB32);
i_screen_depth = 32;
}
SetTitle(VOUT_TITLE " (BBitmap output)");
}
if(fUsingOverlay)
{
rgb_color key;
view->SetViewOverlay(bitmap[0], bitmap[0]->Bounds(), Bounds(), &key, B_FOLLOW_ALL,
B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL);
view->SetViewColor(key);
SetTitle(VOUT_TITLE " (Overlay output)");
GetSizeLimits(&minWidth, &maxWidth, &minHeight, &maxHeight);
SetSizeLimits((float) Bounds().IntegerWidth(), maxWidth, (float) Bounds().IntegerHeight(), maxHeight);
}
// else
{
fDrawThreadID = spawn_thread(DrawingThread, "drawing_thread",
B_DISPLAY_PRIORITY, (void*) this);
resume_thread(fDrawThreadID);
}
memset(bitmap[0]->Bits(), 0, bitmap[0]->BitsLength());
memset(bitmap[1]->Bits(), 0, bitmap[1]->BitsLength());
i_bytes_per_pixel = bitmap[0]->BytesPerRow()/bitmap[0]->Bounds().IntegerWidth();
fRowBytes = bitmap[0]->BytesPerRow();
fDirty = false;
Show();
}
VideoWindow::~VideoWindow()
{
int32 result;
Hide();
Sync();
// if(!fUsingOverlay)
// {
teardownwindow = true;
wait_for_thread(fDrawThreadID, &result);
delete bitmap[0];
delete bitmap[1];
// }
}
/*****************************************************************************
* VideoWindow::FrameResized
*****************************************************************************/
void VideoWindow::FrameResized( float width, float height )
{
}
/*****************************************************************************
* VideoWindow::Zoom
*****************************************************************************/
void VideoWindow::Zoom(BPoint origin, float width, float height )
{
if(is_zoomed)
{
MoveTo(rect.left, rect.top);
ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
be_app->ShowCursor();
}
else
{
rect = Frame();
BScreen *screen;
screen = new BScreen(this);
BRect rect = screen->Frame();
delete screen;
MoveTo(0,0);
ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
be_app->HideCursor();
}
is_zoomed = !is_zoomed;
}
/*****************************************************************************
* VideoWindow::MessageReceived
*****************************************************************************/
void VideoWindow::MessageReceived( BMessage * p_message )
{
BWindow * p_win;
switch( p_message->what )
{
case B_KEY_DOWN:
case B_SIMPLE_DATA:
// post the message to the interface window which will handle it
p_win = beos_GetAppWindow( "interface" );
if( p_win != NULL )
{
p_win->PostMessage( p_message );
}
break;
default:
BWindow::MessageReceived( p_message );
break;
}
}
/*****************************************************************************
* VideoWindow::QuitRequested
*****************************************************************************/
bool VideoWindow::QuitRequested()
{
/* FIXME: send a message ! */
p_main->p_intf->b_die = 1;
teardownwindow = true;
return( false );
}
/*****************************************************************************
* VLCView::VLCView
*****************************************************************************/
VLCView::VLCView(BRect bounds) : BView(bounds, "", B_FOLLOW_ALL, B_WILL_DRAW)
{
SetViewColor(B_TRANSPARENT_32_BIT);
}
/*****************************************************************************
* VLCView::~VLCView
*****************************************************************************/
VLCView::~VLCView()
{
}
/*****************************************************************************
* VLCVIew::~VLCView
*****************************************************************************/
void VLCView::MouseDown(BPoint point)
{
VideoWindow *w = (VideoWindow *) Window();
if(w->is_zoomed)
{
BWindow *win = Window();
win->Zoom();
}
}
extern "C"
{
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int vout_Probe ( probedata_t *p_data );
static int vout_Create ( struct vout_thread_s * );
static int vout_Init ( struct vout_thread_s * );
static void vout_End ( struct vout_thread_s * );
static void vout_Destroy ( struct vout_thread_s * );
static int vout_Manage ( struct vout_thread_s * );
static void vout_Display ( struct vout_thread_s * );
static int BeosOpenDisplay ( vout_thread_t *p_vout );
static void BeosCloseDisplay( vout_thread_t *p_vout );
/*****************************************************************************
* Functions exported as capabilities. They are declared as static so that
* we don't pollute the namespace too much.
*****************************************************************************/
void _M( vout_getfunctions )( function_list_t * p_function_list )
{
p_function_list->pf_probe = vout_Probe;
p_function_list->functions.vout.pf_create = vout_Create;
p_function_list->functions.vout.pf_init = vout_Init;
p_function_list->functions.vout.pf_end = vout_End;
p_function_list->functions.vout.pf_destroy = vout_Destroy;
p_function_list->functions.vout.pf_manage = vout_Manage;
p_function_list->functions.vout.pf_display = vout_Display;
p_function_list->functions.vout.pf_setpalette = NULL;
}
/*****************************************************************************
* vout_Probe: probe the video driver and return a score
*****************************************************************************
* This function tries to initialize SDL and returns a score to the
* plugin manager so that it can select the best plugin.
*****************************************************************************/
static int vout_Probe( probedata_t *p_data )
{
if( TestMethod( VOUT_METHOD_VAR, "beos" ) )
{
return( 999 );
}
return( 100 );
}
/*****************************************************************************
* vout_Create: allocates BeOS video thread output method
*****************************************************************************
* This function allocates and initializes a BeOS vout method.
*****************************************************************************/
int vout_Create( vout_thread_t *p_vout )
{
/* Allocate structure */
p_vout->p_sys = (vout_sys_t*) malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
{
intf_ErrMsg( "error: %s", strerror(ENOMEM) );
return( 1 );
}
/* Set video window's size */
p_vout->i_width = main_GetIntVariable( VOUT_WIDTH_VAR,
VOUT_WIDTH_DEFAULT );
p_vout->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
VOUT_HEIGHT_DEFAULT );
/* Open and initialize device */
if( BeosOpenDisplay( p_vout ) )
{
intf_ErrMsg("vout error: can't open display");
free( p_vout->p_sys );
return( 1 );
}
return( 0 );
}
/*****************************************************************************
* vout_Init: initialize BeOS video thread output method
*****************************************************************************/
int vout_Init( vout_thread_t *p_vout )
{
VideoWindow * p_win = p_vout->p_sys->p_window;
u32 i_page_size;
i_page_size = p_vout->i_width * p_vout->i_height * p_vout->i_bytes_per_pixel;
p_vout->p_sys->i_width = p_vout->i_width;
p_vout->p_sys->i_height = p_vout->i_height;
/* if(p_win->fUsingOverlay)
{
if(p_win->bitmap[0] != NULL)
{
vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
(byte_t *)p_win->bitmap[0]->Bits());
delete p_win->bitmap[0];
p_win->bitmap[0] = NULL;
}
}
else
{
if((p_win->bitmap[0] != NULL) && (p_win->bitmap[1] != NULL))
{
vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
(byte_t *)p_win->bitmap[1]->Bits());
}
}*/
if((p_win->bitmap[0] != NULL) && (p_win->bitmap[1] != NULL))
{
vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
(byte_t *)p_win->bitmap[1]->Bits());
}
return( 0 );
}
/*****************************************************************************
* vout_End: terminate BeOS video thread output method
*****************************************************************************/
void vout_End( vout_thread_t *p_vout )
{
}
/*****************************************************************************
* vout_Destroy: destroy BeOS video thread output method
*****************************************************************************
* Terminate an output method created by DummyCreateOutputMethod
*****************************************************************************/
void vout_Destroy( vout_thread_t *p_vout )
{
BeosCloseDisplay( p_vout );
free( p_vout->p_sys );
}
/*****************************************************************************
* vout_Manage: handle BeOS events
*****************************************************************************
* This function should be called regularly by video output thread. It manages
* console events. It returns a non null value on error.
*****************************************************************************/
int vout_Manage( vout_thread_t *p_vout )
{
VideoWindow * p_win = p_vout->p_sys->p_window;
rgb_color key;
float minWidth, minHeight, maxWidth, maxHeight;
if( (p_vout->i_width != p_vout->p_sys->i_width) ||
(p_vout->i_height != p_vout->p_sys->i_height) )
{
/* If video output size has changed, change interface window size */
intf_DbgMsg( "resizing output window" );
if(p_win->fUsingOverlay)
{
p_win->Lock();
p_win->view->ClearViewOverlay();
delete p_win->bitmap[0];
delete p_win->bitmap[1];
p_vout->p_sys->i_width = p_vout->i_width;
p_vout->p_sys->i_height = p_vout->i_height;;
p_win->GetSizeLimits(&minWidth, &maxWidth, &minHeight, &maxHeight);
p_win->SetSizeLimits((float) p_vout->p_sys->i_width, maxWidth, (float) p_vout->p_sys->i_height, maxHeight);
p_win->ResizeTo(p_vout->p_sys->i_width, p_vout->p_sys->i_height);
p_win->bitmap[0] = new BBitmap(p_win->Bounds(),
B_BITMAP_WILL_OVERLAY|B_BITMAP_RESERVE_OVERLAY_CHANNEL,
B_YCbCr422);
p_win->bitmap[0] = new BBitmap(p_win->Bounds(),
B_BITMAP_WILL_OVERLAY, B_YCbCr422);
memset(p_win->bitmap[0]->Bits(), 0, p_win->bitmap[0]->BitsLength());
memset(p_win->bitmap[1]->Bits(), 0, p_win->bitmap[1]->BitsLength());
p_win->view->SetViewOverlay(p_win->bitmap[0], p_win->bitmap[0]->Bounds(), p_win->Bounds(), &key, B_FOLLOW_ALL,
B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL|B_OVERLAY_TRANSFER_CHANNEL);
p_win->view->SetViewColor(key);
p_win->Unlock();
vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
(byte_t *)p_win->bitmap[0]->Bits());
delete p_win->bitmap[0];
}
}
return( 0 );
}
/*****************************************************************************
* vout_Display: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to BeOS image, waits until
* it is displayed and switch the two rendering buffers, preparing next frame.
*****************************************************************************/
void vout_Display( vout_thread_t *p_vout )
{
VideoWindow * p_win = p_vout->p_sys->p_window;
p_win->i_buffer_index = p_vout->i_buffer_index;
if(p_win->fUsingOverlay)
p_vout->i_buffer_index = p_vout->i_buffer_index & 1;
else
p_vout->i_buffer_index = ++p_vout->i_buffer_index & 1;
p_win->fDirty = true;
}
/* following functions are local */
/*****************************************************************************
* BeosOpenDisplay: open and initialize BeOS device
*****************************************************************************
* XXX?? The framebuffer mode is only provided as a fast and efficient way to
* display video, providing the card is configured and the mode ok. It is
* not portable, and is not supposed to work with many cards. Use at your
* own risk !
*****************************************************************************/
static int BeosOpenDisplay( vout_thread_t *p_vout )
{
p_vout->p_sys->p_window =
new VideoWindow( BRect( 80, 50, 80+p_vout->i_width-1, 50+p_vout->i_height-1 ), NULL, p_vout );
if( p_vout->p_sys->p_window == 0 )
{
free( p_vout->p_sys );
intf_ErrMsg( "error: cannot allocate memory for VideoWindow" );
return( 1 );
}
VideoWindow * p_win = p_vout->p_sys->p_window;
p_vout->i_screen_depth = p_win->i_screen_depth;
p_vout->i_bytes_per_pixel = p_win->i_bytes_per_pixel;
p_vout->i_bytes_per_line = p_vout->i_width*p_win->i_bytes_per_pixel;
switch( p_vout->i_screen_depth )
{
case 8:
intf_ErrMsg( "vout error: 8 bit mode not fully supported" );
break;
case 15:
p_vout->i_red_mask = 0x7c00;
p_vout->i_green_mask = 0x03e0;
p_vout->i_blue_mask = 0x001f;
break;
case 16:
p_vout->i_red_mask = 0xf800;
p_vout->i_green_mask = 0x07e0;
p_vout->i_blue_mask = 0x001f;
break;
case 24:
case 32:
default:
p_vout->i_red_mask = 0xff0000;
p_vout->i_green_mask = 0x00ff00;
p_vout->i_blue_mask = 0x0000ff;
break;
}
return( 0 );
}
/*****************************************************************************
* BeosDisplay: close and reset BeOS device
*****************************************************************************
* Returns all resources allocated by BeosOpenDisplay and restore the original
* state of the device.
*****************************************************************************/
static void BeosCloseDisplay( vout_thread_t *p_vout )
{
/* Destroy the video window */
p_vout->p_sys->p_window->Lock();
p_vout->p_sys->p_window->Quit();
}
} /* extern "C" */