/*****************************************************************************
* vout_mga.c: MGA video output display method
*****************************************************************************
- * Copyright (C) 1998, 1999, 2000 VideoLAN
+ * Copyright (C) 1998, 1999, 2000, 2001 VideoLAN
*
- * Authors:
+ * Authors: Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+ * Samuel Hocevar <sam@zoy.org>
*
* 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
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
+#define MODULE_NAME mga
+#include "modules_inner.h"
+
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "defs.h"
#include <errno.h> /* ENOMEM */
+#include <unistd.h> /* close() */
#include <stdlib.h> /* free() */
#include <string.h> /* strerror() */
#include <fcntl.h> /* open() */
#include <sys/types.h> /* typedef ushort */
#endif
-#include <sys/shm.h> /* shmget(), shmctl() */
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/extensions/XShm.h>
-
#include "config.h"
#include "common.h"
#include "threads.h"
#include "mtime.h"
-#include "plugins.h"
+#include "tests.h"
+#include "modules.h"
#include "video.h"
#include "video_output.h"
#include "vout_mga.h"
/*****************************************************************************
- * vout_MGACreate: allocate X11 video thread output method
+ * vout_sys_t: video output MGA method descriptor
+ *****************************************************************************
+ * This structure is part of the video output thread descriptor.
+ * It describes the MGA specific properties of an output thread.
+ *****************************************************************************/
+#ifndef __LINUX_MGAVID_H
+# define __LINUX_MGAVID_H
+# define MGA_VID_CONFIG _IOR('J', 1, mga_vid_config_t)
+# define MGA_VID_ON _IO ('J', 2)
+# define MGA_VID_OFF _IO ('J', 3)
+# define MGA_G200 0x1234
+# define MGA_G400 0x5678
+typedef struct mga_vid_config_s
+{
+ u32 card_type;
+ u32 ram_size;
+ u32 src_width;
+ u32 src_height;
+ u32 dest_width;
+ u32 dest_height;
+ u32 x_org;
+ u32 y_org;
+ u8 colkey_on;
+ u8 colkey_red;
+ u8 colkey_green;
+ u8 colkey_blue;
+} mga_vid_config_t;
+#endif
+
+typedef struct vout_sys_s
+{
+ int i_page_size;
+ byte_t *p_video;
+
+ /* MGA specific variables */
+ int i_fd;
+ int i_size;
+ mga_vid_config_t mga;
+ byte_t * p_mga_vid_base;
+ boolean_t b_g400;
+
+} vout_sys_t;
+
+#define DUMMY_WIDTH 16
+#define DUMMY_HEIGHT 16
+#define DUMMY_BITS_PER_PLANE 16
+#define DUMMY_BYTES_PER_PIXEL 2
+
+/*****************************************************************************
+ * 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 * );
+
+/*****************************************************************************
+ * 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;
+}
+
+/*****************************************************************************
+ * intf_Probe: return a score
+ *****************************************************************************/
+static int vout_Probe( probedata_t *p_data )
+{
+ if( TestMethod( VOUT_METHOD_VAR, "mga" ) )
+ {
+ return( 999 );
+ }
+
+ return( 10 );
+}
+
+/*****************************************************************************
+ * vout_Create: allocates dummy video thread output method
*****************************************************************************
- * This function allocate and initialize a X11 vout method. It uses some of the
- * vout properties to choose the window size, and change them according to the
- * actual properties of the display.
+ * This function allocates and initializes a dummy vout method.
*****************************************************************************/
-int vout_MGACreate( vout_thread_t *p_vout, char *psz_display,
- int i_root_window, void *p_data )
+static int vout_Create( vout_thread_t *p_vout )
{
/* Allocate structure */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
{
- intf_ErrMsg("error: %s", strerror(ENOMEM) );
+ intf_ErrMsg("vout error: %s", strerror(ENOMEM) );
return( 1 );
}
- /* Allocate MGA configuration structure */
- p_vout->p_sys->p_mga = malloc( sizeof( mga_vid_config_t ) );
- if( p_vout->p_sys->p_mga == NULL )
+ if( (p_vout->p_sys->i_fd = open( "/dev/mga_vid", O_RDWR )) == -1 )
{
- intf_ErrMsg("error: %s", strerror(ENOMEM) );
+ intf_ErrMsg( "vout error: can't open MGA driver /dev/mga_vid" );
free( p_vout->p_sys );
return( 1 );
}
- if( (p_vout->p_sys->i_fd = open("/dev/mga_vid",O_RDWR)) == -1 )
- {
- intf_ErrMsg("error: can't open MGA driver /dev/mga_vid" );
- free( p_vout->p_sys->p_mga );
- free( p_vout->p_sys );
- return( 1 );
- }
+ p_vout->i_width = DUMMY_WIDTH;
+ p_vout->i_height = DUMMY_HEIGHT;
+ p_vout->i_screen_depth = DUMMY_BITS_PER_PLANE;
+ p_vout->i_bytes_per_pixel = DUMMY_BYTES_PER_PIXEL;
+ p_vout->i_bytes_per_line = DUMMY_WIDTH * DUMMY_BYTES_PER_PIXEL;
+
+ p_vout->p_sys->i_page_size = DUMMY_WIDTH * DUMMY_HEIGHT
+ * DUMMY_BYTES_PER_PIXEL;
- /* Open and initialize device. This function issues its own error messages.
- * Since XLib is usually not thread-safe, we can't use the same display
- * pointer than the interface or another thread. However, the root window
- * id is still valid. */
- if( X11OpenDisplay( p_vout, psz_display, i_root_window ) )
+ /* Map two framebuffers a the very beginning of the fb */
+ p_vout->p_sys->p_video = malloc( 2 * p_vout->p_sys->i_page_size );
+ if( p_vout->p_sys->p_video == NULL )
{
- intf_ErrMsg("error: can't initialize X11 display" );
- free( p_vout->p_sys->p_mga );
+ intf_ErrMsg( "vout error: can't map video memory (%s)",
+ strerror(errno) );
free( p_vout->p_sys );
return( 1 );
}
+ /* Set and initialize buffers */
+ vout_SetBuffers( p_vout, p_vout->p_sys->p_video,
+ p_vout->p_sys->p_video + p_vout->p_sys->i_page_size );
+
return( 0 );
}
/*****************************************************************************
- * vout_MGAInit: initialize X11 video thread output method
- *****************************************************************************
- * This function create the XImages needed by the output thread. It is called
- * at the beginning of the thread, but also each time the window is resized.
+ * vout_Init: initialize dummy video thread output method
*****************************************************************************/
-int vout_MGAInit( vout_thread_t *p_vout )
+static int vout_Init( vout_thread_t *p_vout )
{
- int i_err;
-
/* create the MGA output */
- p_vout->p_sys->p_mga->src_width = p_vout->i_width;
- p_vout->p_sys->p_mga->src_height = p_vout->i_height;
+ p_vout->p_sys->mga.src_width = p_vout->i_width;
+ p_vout->p_sys->mga.src_height = p_vout->i_height;
/* FIXME: we should initialize these ones according to the streams */
- p_vout->p_sys->p_mga->dest_width = p_vout->i_width;
- p_vout->p_sys->p_mga->dest_height = p_vout->i_height;
- //p_vout->p_sys->p_mga->dest_width = 400;
- //p_vout->p_sys->p_mga->dest_height = 300;
- p_vout->p_sys->p_mga->x_org = 100;
- p_vout->p_sys->p_mga->y_org = 100;
- p_vout->p_sys->p_mga->colkey_on = 0;
-
- if( ioctl(p_vout->p_sys->i_fd, MGA_VID_CONFIG, p_vout->p_sys->p_mga) )
+ p_vout->p_sys->mga.dest_width = p_vout->i_width;
+ p_vout->p_sys->mga.dest_height = p_vout->i_height;
+ //p_vout->p_sys->mga?dest_width = 400;
+ //p_vout->p_sys->mga.dest_height = 300;
+ p_vout->p_sys->mga.x_org = 100;
+ p_vout->p_sys->mga.y_org = 100;
+ p_vout->p_sys->mga.colkey_on = 0;
+
+ if( ioctl(p_vout->p_sys->i_fd, MGA_VID_CONFIG, &p_vout->p_sys->mga) )
{
intf_ErrMsg("error in config ioctl");
}
- if (p_vout->p_sys->p_mga->card_type == MGA_G200)
+ if (p_vout->p_sys->mga.card_type == MGA_G200)
{
intf_Msg( "vout: detected MGA G200 (%d MB Ram)",
- p_vout->p_sys->p_mga->ram_size );
+ p_vout->p_sys->mga.ram_size );
p_vout->p_sys->b_g400 = 0;
}
else
{
intf_Msg( "vout: detected MGA G400 (%d MB Ram)",
- p_vout->p_sys->p_mga->ram_size );
+ p_vout->p_sys->mga.ram_size );
p_vout->p_sys->b_g400 = 1;
}
ioctl( p_vout->p_sys->i_fd, MGA_VID_ON, 0 );
- p_vout->p_sys->i_size = ( (p_vout->p_sys->p_mga->src_width + 31) & ~31 )
- * p_vout->p_sys->p_mga->src_height;
+ p_vout->p_sys->i_size = ( (p_vout->p_sys->mga.src_width + 31) & ~31 )
+ * p_vout->p_sys->mga.src_height;
p_vout->p_sys->p_mga_vid_base = mmap( 0, p_vout->p_sys->i_size
+ p_vout->p_sys->i_size / 2,
memset( p_vout->p_sys->p_mga_vid_base + p_vout->p_sys->i_size,
0x80, p_vout->p_sys->i_size / 2 );
- /* Create XImages using XShm extension - on failure, fall back to regular
- * way (and destroy the first image if it was created successfully) */
- if( p_vout->p_sys->b_shm )
- {
- /* Create first image */
- i_err = X11CreateShmImage( p_vout, &p_vout->p_sys->p_ximage[0],
- &p_vout->p_sys->shm_info[0] );
- if( !i_err ) /* first image has been created */
- {
- /* Create second image */
- if( X11CreateShmImage( p_vout, &p_vout->p_sys->p_ximage[1],
- &p_vout->p_sys->shm_info[1] ) )
- { /* error creating the second image */
- X11DestroyShmImage( p_vout, p_vout->p_sys->p_ximage[0],
- &p_vout->p_sys->shm_info[0] );
- i_err = 1;
- }
- }
- if( i_err ) /* an error occured */
- {
- intf_Msg("vout: XShm video sextension deactivated" );
- p_vout->p_sys->b_shm = 0;
- }
- }
-
- /* Create XImages without XShm extension */
- if( !p_vout->p_sys->b_shm )
- {
- if( X11CreateImage( p_vout, &p_vout->p_sys->p_ximage[0] ) )
- {
- intf_ErrMsg("error: can't create images");
- p_vout->p_sys->p_ximage[0] = NULL;
- p_vout->p_sys->p_ximage[1] = NULL;
- return( 1 );
- }
- if( X11CreateImage( p_vout, &p_vout->p_sys->p_ximage[1] ) )
- {
- intf_ErrMsg("error: can't create images");
- X11DestroyImage( p_vout->p_sys->p_ximage[0] );
- p_vout->p_sys->p_ximage[0] = NULL;
- p_vout->p_sys->p_ximage[1] = NULL;
- return( 1 );
- }
- }
-
- /* Set bytes per line and initialize buffers */
- p_vout->i_bytes_per_line = p_vout->p_sys->p_ximage[0]->bytes_per_line;
- vout_SetBuffers( p_vout, p_vout->p_sys->p_ximage[ 0 ]->data,
- p_vout->p_sys->p_ximage[ 1 ]->data );
return( 0 );
}
/*****************************************************************************
- * vout_MGAEnd: terminate X11 video thread output method
- *****************************************************************************
- * Destroy the X11 XImages created by vout_MGAInit. It is called at the end of
- * the thread, but also each time the window is resized.
+ * vout_End: terminate dummy video thread output method
*****************************************************************************/
-void vout_MGAEnd( vout_thread_t *p_vout )
+static void vout_End( vout_thread_t *p_vout )
{
- if( p_vout->p_sys->b_shm ) /* Shm XImages... */
- {
- X11DestroyShmImage( p_vout, p_vout->p_sys->p_ximage[0],
- &p_vout->p_sys->shm_info[0] );
- X11DestroyShmImage( p_vout, p_vout->p_sys->p_ximage[1],
- &p_vout->p_sys->shm_info[1] );
- }
- else /* ...or regular XImages */
- {
- X11DestroyImage( p_vout->p_sys->p_ximage[0] );
- X11DestroyImage( p_vout->p_sys->p_ximage[1] );
- }
+ ioctl( p_vout->p_sys->i_fd, MGA_VID_OFF, 0 );
}
/*****************************************************************************
- * vout_MGADestroy: destroy X11 video thread output method
+ * vout_Destroy: destroy dummy video thread output method
*****************************************************************************
- * Terminate an output method created by vout_CreateOutputMethod
+ * Terminate an output method created by DummyCreateOutputMethod
*****************************************************************************/
-void vout_MGADestroy( vout_thread_t *p_vout )
+static void vout_Destroy( vout_thread_t *p_vout )
{
- X11CloseDisplay( p_vout );
-
- ioctl( p_vout->p_sys->i_fd, MGA_VID_OFF, 0 );
close( p_vout->p_sys->i_fd );
- free( p_vout->p_sys->p_mga );
+ free( p_vout->p_sys->p_video );
free( p_vout->p_sys );
}
/*****************************************************************************
- * vout_MGAManage: handle X11 events
+ * vout_Manage: handle dummy events
*****************************************************************************
* This function should be called regularly by video output thread. It manages
- * X11 events and allows window resizing. It returns a non null value on
- * error.
- *****************************************************************************/
-int vout_MGAManage( vout_thread_t *p_vout )
-{
- /*
- * Color/Grayscale or gamma change: in 8bpp, just change the colormap
- */
- if( (p_vout->i_changes & VOUT_GRAYSCALE_CHANGE) && (p_vout->i_screen_depth == 8) )
- {
- /* FIXME: clear flags ?? */
- }
-
- /*
- * Size change
- */
- if( p_vout->i_changes & VOUT_SIZE_CHANGE )
- {
- intf_DbgMsg("resizing window");
- p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
-
- /* Resize window */
- XResizeWindow( p_vout->p_sys->p_display, p_vout->p_sys->window,
- p_vout->i_width, p_vout->i_height );
-
- /* Destroy XImages to change their size */
- vout_MGAEnd( p_vout );
-
- /* Recreate XImages. If SysInit failed, the thread can't go on. */
- if( vout_MGAInit( p_vout ) )
- {
- intf_ErrMsg("error: can't resize display");
- return( 1 );
- }
-
- /* Tell the video output thread that it will need to rebuild YUV
- * tables. This is needed since convertion buffer size may have changed */
- p_vout->i_changes |= VOUT_YUV_CHANGE;
- intf_Msg("vout: video display resized (%dx%d)", p_vout->i_width, p_vout->i_height);
- }
-
- return 0;
-}
-
-/*****************************************************************************
- * vout_MGADisplay: displays previously rendered output
- *****************************************************************************
- * This function send the currently rendered image to X11 server, wait until
- * it is displayed and switch the two rendering buffer, preparing next frame.
- *****************************************************************************/
-void vout_MGADisplay( vout_thread_t *p_vout )
-{
- if( p_vout->p_sys->b_shm) /* XShm is used */
- {
- /* Display rendered image using shared memory extension */
- XShmPutImage(p_vout->p_sys->p_display, p_vout->p_sys->window, p_vout->p_sys->gc,
- p_vout->p_sys->p_ximage[ p_vout->i_buffer_index ],
- 0, 0, 0, 0,
- p_vout->p_sys->p_ximage[ p_vout->i_buffer_index ]->width,
- p_vout->p_sys->p_ximage[ p_vout->i_buffer_index ]->height, True);
-
- /* Send the order to the X server */
- XFlush(p_vout->p_sys->p_display);
- }
- else /* regular X11 capabilities are used */
- {
- XPutImage(p_vout->p_sys->p_display, p_vout->p_sys->window, p_vout->p_sys->gc,
- p_vout->p_sys->p_ximage[ p_vout->i_buffer_index ],
- 0, 0, 0, 0,
- p_vout->p_sys->p_ximage[ p_vout->i_buffer_index ]->width,
- p_vout->p_sys->p_ximage[ p_vout->i_buffer_index ]->height);
-
- /* Send the order to the X server */
- XFlush(p_vout->p_sys->p_display);
- }
-}
-
-/* following functions are local */
-
-/*****************************************************************************
- * X11OpenDisplay: open and initialize X11 device
- *****************************************************************************
- * Create a window according to video output given size, and set other
- * properties according to the display properties.
- *****************************************************************************/
-static int X11OpenDisplay( vout_thread_t *p_vout, char *psz_display, Window root_window )
-{
- XPixmapFormatValues * p_xpixmap_format; /* pixmap formats */
- XVisualInfo * p_xvisual; /* visuals informations */
- XVisualInfo xvisual_template; /* visual template */
- int i_count; /* array size */
-
- /* Open display */
- p_vout->p_sys->p_display = XOpenDisplay( psz_display );
- if( p_vout->p_sys->p_display == NULL )
- {
- intf_ErrMsg("error: can't open display %s", psz_display );
- return( 1 );
- }
-
- /* Initialize structure */
- p_vout->p_sys->root_window = root_window;
- p_vout->p_sys->b_shm = (XShmQueryExtension(p_vout->p_sys->p_display) == True);
- p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
- if( !p_vout->p_sys->b_shm )
- {
- intf_Msg("vout: XShm video extension is not available");
- }
-
- /* Get screen depth */
- p_vout->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
- switch( p_vout->i_screen_depth )
- {
- case 8:
- /*
- * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
- */
- xvisual_template.screen = p_vout->p_sys->i_screen;
- xvisual_template.class = DirectColor;
- p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display, VisualScreenMask | VisualClassMask,
- &xvisual_template, &i_count );
- if( p_xvisual == NULL )
- {
- intf_ErrMsg("error: no PseudoColor visual available");
- XCloseDisplay( p_vout->p_sys->p_display );
- return( 1 );
- }
- /* FIXME: SetColormap; ?? */
- p_vout->i_bytes_per_pixel = 1;
- break;
- case 15:
- case 16:
- case 24:
- default:
- /*
- * Screen depth is higher than 8bpp. TrueColor visual is used.
- */
- xvisual_template.screen = p_vout->p_sys->i_screen;
- xvisual_template.class = TrueColor;
- p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display, VisualScreenMask | VisualClassMask,
- &xvisual_template, &i_count );
- if( p_xvisual == NULL )
- {
- intf_ErrMsg("error: no TrueColor visual available");
- XCloseDisplay( p_vout->p_sys->p_display );
- return( 1 );
- }
- p_vout->i_red_mask = p_xvisual->red_mask;
- p_vout->i_green_mask = p_xvisual->green_mask;
- p_vout->i_blue_mask = p_xvisual->blue_mask;
-
- /* There is no difference yet between 3 and 4 Bpp. The only way to find
- * the actual number of bytes per pixel is to list supported pixmap
- * formats. */
- p_xpixmap_format = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
- p_vout->i_bytes_per_pixel = 0;
- for( ; i_count--; p_xpixmap_format++ )
- {
- if( p_xpixmap_format->bits_per_pixel / 8 > p_vout->i_bytes_per_pixel )
- {
- p_vout->i_bytes_per_pixel = p_xpixmap_format->bits_per_pixel / 8;
- }
- }
- break;
- }
- p_vout->p_sys->p_visual = p_xvisual->visual;
- XFree( p_xvisual );
-
- /* Create a window */
- if( X11CreateWindow( p_vout ) )
- {
- intf_ErrMsg("error: can't open a window");
- XCloseDisplay( p_vout->p_sys->p_display );
- return( 1 );
- }
- return( 0 );
-}
-
-/*****************************************************************************
- * X11CloseDisplay: close X11 device
- *****************************************************************************
- * Returns all resources allocated by X11OpenDisplay and restore the original
- * state of the display.
- *****************************************************************************/
-static void X11CloseDisplay( vout_thread_t *p_vout )
-{
- /* Destroy colormap */
- if( p_vout->i_screen_depth == 8 )
- {
- XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
- }
-
- /* Destroy window and close display */
- X11DestroyWindow( p_vout );
- XCloseDisplay( p_vout->p_sys->p_display );
-}
-
-/*****************************************************************************
- * X11CreateWindow: create X11 vout window
- *****************************************************************************
- * The video output window will be created. Normally, this window is wether
- * full screen or part of a parent window. Therefore, it does not need a
- * title or other hints. Thery are still supplied in case the window would be
- * spawned as a standalone one by the interface.
- *****************************************************************************/
-static int X11CreateWindow( vout_thread_t *p_vout )
-{
- XSetWindowAttributes xwindow_attributes; /* window attributes */
- XGCValues xgcvalues; /* graphic context configuration */
- XEvent xevent; /* first events */
- boolean_t b_expose; /* 'expose' event received */
- boolean_t b_map_notify; /* 'map_notify' event received */
-
- /* Prepare window attributes */
- xwindow_attributes.backing_store = Always; /* save the hidden part */
-
- /* Create the window and set hints */
- p_vout->p_sys->window = XCreateSimpleWindow( p_vout->p_sys->p_display,
- p_vout->p_sys->root_window,
- 0, 0,
- p_vout->i_width, p_vout->i_height,
- 0, 0, 0);
- XSelectInput( p_vout->p_sys->p_display, p_vout->p_sys->window,
- ExposureMask | StructureNotifyMask );
- XChangeWindowAttributes( p_vout->p_sys->p_display, p_vout->p_sys->window,
- CWBackingStore, &xwindow_attributes);
-
- /* Creation of a graphic context that doesn't generate a GraphicsExpose event
- when using functions like XCopyArea */
- xgcvalues.graphics_exposures = False;
- p_vout->p_sys->gc = XCreateGC( p_vout->p_sys->p_display, p_vout->p_sys->window,
- GCGraphicsExposures, &xgcvalues);
-
- /* Send orders to server, and wait until window is displayed - two events
- * must be received: a MapNotify event, an Expose event allowing drawing in the
- * window */
- b_expose = 0;
- b_map_notify = 0;
- XMapWindow( p_vout->p_sys->p_display, p_vout->p_sys->window);
- do
- {
- XNextEvent( p_vout->p_sys->p_display, &xevent);
- if( (xevent.type == Expose)
- && (xevent.xexpose.window == p_vout->p_sys->window) )
- {
- b_expose = 1;
- }
- else if( (xevent.type == MapNotify)
- && (xevent.xmap.window == p_vout->p_sys->window) )
- {
- b_map_notify = 1;
- }
- }
- while( !( b_expose && b_map_notify ) );
- XSelectInput( p_vout->p_sys->p_display, p_vout->p_sys->window, 0 );
-
- /* At this stage, the window is openned, displayed, and ready to receive
- * data */
- return( 0 );
-}
-
-/*****************************************************************************
- * X11DestroyWindow: destroy X11 window
- *****************************************************************************
- * Destroy an X11 window created by vout_CreateWindow
- *****************************************************************************/
-static void X11DestroyWindow( vout_thread_t *p_vout )
-{
- XUnmapWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
- XFreeGC( p_vout->p_sys->p_display, p_vout->p_sys->gc );
- XDestroyWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
-}
-
-/*****************************************************************************
- * X11CreateImage: create an XImage
- *****************************************************************************
- * Create a simple XImage used as a buffer.
- *****************************************************************************/
-static int X11CreateImage( vout_thread_t *p_vout, XImage **pp_ximage )
-{
- byte_t * pb_data; /* image data storage zone */
- int i_quantum; /* XImage quantum (see below) */
-
- /* Allocate memory for image */
- p_vout->i_bytes_per_line = p_vout->i_width * p_vout->i_bytes_per_pixel;
- pb_data = (byte_t *) malloc( p_vout->i_bytes_per_line * p_vout->i_height );
- if( !pb_data ) /* error */
- {
- intf_ErrMsg("error: %s", strerror(ENOMEM));
- return( 1 );
- }
-
- /* Optimize the quantum of a scanline regarding its size - the quantum is
- a diviser of the number of bits between the start of two scanlines. */
- if( !(( p_vout->i_bytes_per_line ) % 32) )
- {
- i_quantum = 32;
- }
- else
- {
- if( !(( p_vout->i_bytes_per_line ) % 16) )
- {
- i_quantum = 16;
- }
- else
- {
- i_quantum = 8;
- }
- }
-
- /* Create XImage */
- *pp_ximage = XCreateImage( p_vout->p_sys->p_display, p_vout->p_sys->p_visual,
- p_vout->i_screen_depth, ZPixmap, 0, pb_data,
- p_vout->i_width, p_vout->i_height, i_quantum, 0);
- if(! *pp_ximage ) /* error */
- {
- intf_ErrMsg( "error: XCreateImage() failed" );
- free( pb_data );
- return( 1 );
- }
-
- return 0;
-}
-
-/*****************************************************************************
- * X11CreateShmImage: create an XImage using shared memory extension
- *****************************************************************************
- * Prepare an XImage for DisplayX11ShmImage function.
- * The order of the operations respects the recommandations of the mit-shm
- * document by J.Corbet and K.Packard. Most of the parameters were copied from
- * there.
+ * console events. It returns a non null value on error.
*****************************************************************************/
-static int X11CreateShmImage( vout_thread_t *p_vout, XImage **pp_ximage,
- XShmSegmentInfo *p_shm_info)
+static int vout_Manage( vout_thread_t *p_vout )
{
- /* Create XImage */
- *pp_ximage = XShmCreateImage( p_vout->p_sys->p_display, p_vout->p_sys->p_visual,
- p_vout->i_screen_depth, ZPixmap, 0,
- p_shm_info, p_vout->i_width, p_vout->i_height );
- if(! *pp_ximage ) /* error */
- {
- intf_ErrMsg("error: XShmCreateImage() failed");
- return( 1 );
- }
-
- /* Allocate shared memory segment - 0777 set the access permission
- * rights (like umask), they are not yet supported by X servers */
- p_shm_info->shmid = shmget( IPC_PRIVATE,
- (*pp_ximage)->bytes_per_line * (*pp_ximage)->height,
- IPC_CREAT | 0777);
- if( p_shm_info->shmid < 0) /* error */
- {
- intf_ErrMsg("error: can't allocate shared image data (%s)",
- strerror(errno));
- XDestroyImage( *pp_ximage );
- return( 1 );
- }
-
- /* Attach shared memory segment to process (read/write) */
- p_shm_info->shmaddr = (*pp_ximage)->data = shmat(p_shm_info->shmid, 0, 0);
- if(! p_shm_info->shmaddr )
- { /* error */
- intf_ErrMsg("error: can't attach shared memory (%s)",
- strerror(errno));
- shmctl( p_shm_info->shmid, IPC_RMID, 0 ); /* free shared memory */
- XDestroyImage( *pp_ximage );
- return( 1 );
- }
-
- /* Mark the shm segment to be removed when there will be no more
- * attachements, so it is automatic on process exit or after shmdt */
- shmctl( p_shm_info->shmid, IPC_RMID, 0 );
-
- /* Attach shared memory segment to X server (read only) */
- p_shm_info->readOnly = True;
- if( XShmAttach( p_vout->p_sys->p_display, p_shm_info ) == False ) /* error */
- {
- intf_ErrMsg("error: can't attach shared memory to X11 server");
- shmdt( p_shm_info->shmaddr ); /* detach shared memory from process
- * and automatic free */
- XDestroyImage( *pp_ximage );
- return( 1 );
- }
-
- /* Send image to X server. This instruction is required, since having
- * built a Shm XImage and not using it causes an error on XCloseDisplay */
- XFlush( p_vout->p_sys->p_display );
return( 0 );
}
/*****************************************************************************
- * X11DestroyImage: destroy an XImage
+ * vout_Display: displays previously rendered output
*****************************************************************************
- * Destroy XImage AND associated data. If pointer is NULL, the image won't be
- * destroyed (see vout_ManageOutputMethod())
+ * This function send the currently rendered image to dummy image, waits until
+ * it is displayed and switch the two rendering buffers, preparing next frame.
*****************************************************************************/
-static void X11DestroyImage( XImage *p_ximage )
+static void vout_Display( vout_thread_t *p_vout )
{
- if( p_ximage != NULL )
- {
- XDestroyImage( p_ximage ); /* no free() required */
- }
-}
-
-/*****************************************************************************
- * X11DestroyShmImage
- *****************************************************************************
- * Destroy XImage AND associated data. Detach shared memory segment from
- * server and process, then free it. If pointer is NULL, the image won't be
- * destroyed (see vout_ManageOutputMethod())
- *****************************************************************************/
-static void X11DestroyShmImage( vout_thread_t *p_vout, XImage *p_ximage,
- XShmSegmentInfo *p_shm_info )
-{
- /* If pointer is NULL, do nothing */
- if( p_ximage == NULL )
- {
- return;
- }
-
- XShmDetach( p_vout->p_sys->p_display, p_shm_info ); /* detach from server */
- XDestroyImage( p_ximage );
- if( shmdt( p_shm_info->shmaddr ) ) /* detach shared memory from process */
- { /* also automatic freeing... */
- intf_ErrMsg("error: can't detach shared memory (%s)",
- strerror(errno));
- }
+ ;
}
projects / vlc / blobdiff