/*****************************************************************************
* vout_dummy.c: Dummy video output display method for testing purposes
*****************************************************************************
- * Copyright (C) 2000 VideoLAN
+ * Copyright (C) 2000, 2001 VideoLAN
+ * $Id: vout_dummy.c,v 1.11 2001/12/13 12:47:17 sam Exp $
*
- * Authors:
+ * Authors: 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 dummy
+#include "modules_inner.h"
+
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* free() */
#include <string.h> /* strerror() */
-#include "config.h"
#include "common.h"
+#include "intf_msg.h"
#include "threads.h"
#include "mtime.h"
-#include "plugins.h"
+#include "tests.h"
#include "video.h"
#include "video_output.h"
-#include "intf_msg.h"
+#include "modules.h"
+#include "modules_export.h"
-#define WIDTH 128
-#define HEIGHT 64
-#define BITS_PER_PLANE 16
-#define BYTES_PER_PIXEL 2
+#define DUMMY_WIDTH 16
+#define DUMMY_HEIGHT 16
+#define DUMMY_MAX_DIRECTBUFFERS 5
/*****************************************************************************
* vout_sys_t: dummy video output method descriptor
*****************************************************************************/
typedef struct vout_sys_s
{
- /* Dummy video memory */
- byte_t * p_video; /* base adress */
- size_t i_page_size; /* page size */
+ /* Nothing needed here. Maybe stats ? */
} vout_sys_t;
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static int DummyOpenDisplay ( vout_thread_t *p_vout );
-static void DummyCloseDisplay ( vout_thread_t *p_vout );
+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 *, struct picture_s * );
+
+static int DummyNewPicture( struct vout_thread_s *, struct picture_s * );
/*****************************************************************************
- * vout_SysCreate: allocates dummy video thread output method
+ * 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, "dummy" ) )
+ {
+ return( 999 );
+ }
+
+ return( 1 );
+}
+
+/*****************************************************************************
+ * vout_Create: allocates dummy video thread output method
*****************************************************************************
* This function allocates and initializes a dummy vout method.
*****************************************************************************/
-int vout_SysCreate( 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\n", strerror(ENOMEM) );
- return( 1 );
- }
-
- /* Open and initialize device */
- if( DummyOpenDisplay( p_vout ) )
- {
- intf_ErrMsg("vout error: can't open display\n");
- free( p_vout->p_sys );
+ intf_ErrMsg("error: %s", strerror(ENOMEM) );
return( 1 );
}
}
/*****************************************************************************
- * vout_SysInit: initialize dummy video thread output method
+ * vout_Init: initialize dummy video thread output method
*****************************************************************************/
-int vout_SysInit( vout_thread_t *p_vout )
+static int vout_Init( vout_thread_t *p_vout )
{
+ int i_index;
+ picture_t *p_pic;
+
+ I_OUTPUTPICTURES = 0;
+
+ /* Initialize the output structure */
+ switch( p_vout->render.i_chroma )
+ {
+ case YUV_420_PICTURE:
+ p_vout->output.i_chroma = p_vout->render.i_chroma;
+ p_vout->output.i_width = p_vout->render.i_width;
+ p_vout->output.i_height = p_vout->render.i_height;
+ p_vout->output.i_aspect = p_vout->render.i_aspect;
+ break;
+
+ default:
+ p_vout->output.i_chroma = RGB_16BPP_PICTURE;
+ p_vout->output.i_width = p_vout->render.i_width;
+ p_vout->output.i_height = p_vout->render.i_height;
+ p_vout->output.i_aspect = p_vout->render.i_aspect;
+ break;
+ }
+
+ /* Try to initialize DUMMY_MAX_DIRECTBUFFERS direct buffers */
+ while( I_OUTPUTPICTURES < DUMMY_MAX_DIRECTBUFFERS )
+ {
+ p_pic = NULL;
+
+ /* Find an empty picture slot */
+ for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
+ {
+ if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
+ {
+ p_pic = p_vout->p_picture + i_index;
+ break;
+ }
+ }
+
+ /* Allocate the picture */
+ if( DummyNewPicture( p_vout, p_pic ) )
+ {
+ break;
+ }
+
+ p_pic->i_status = DESTROYED_PICTURE;
+ p_pic->i_type = DIRECT_PICTURE;
+
+ p_pic->i_left_margin =
+ p_pic->i_right_margin =
+ p_pic->i_top_margin =
+ p_pic->i_bottom_margin = 0;
+
+ PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
+
+ I_OUTPUTPICTURES++;
+ }
+
return( 0 );
}
/*****************************************************************************
- * vout_SysEnd: terminate dummy video thread output method
+ * vout_End: terminate dummy video thread output method
*****************************************************************************/
-void vout_SysEnd( vout_thread_t *p_vout )
+static void vout_End( vout_thread_t *p_vout )
{
- ;
+ int i_index;
+
+ /* Free the fake output buffers we allocated */
+ for( i_index = I_OUTPUTPICTURES ; i_index ; )
+ {
+ i_index--;
+ free( PP_OUTPUTPICTURE[ i_index ]->planes[ 0 ].p_data );
+ }
}
/*****************************************************************************
- * vout_SysDestroy: destroy dummy video thread output method
+ * vout_Destroy: destroy dummy video thread output method
*****************************************************************************
* Terminate an output method created by DummyCreateOutputMethod
*****************************************************************************/
-void vout_SysDestroy( vout_thread_t *p_vout )
+static void vout_Destroy( vout_thread_t *p_vout )
{
- DummyCloseDisplay( p_vout );
free( p_vout->p_sys );
}
/*****************************************************************************
- * vout_SysManage: handle dummy events
+ * vout_Manage: handle dummy 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_SysManage( vout_thread_t *p_vout )
+static int vout_Manage( vout_thread_t *p_vout )
{
return( 0 );
}
/*****************************************************************************
- * vout_SysDisplay: displays previously rendered output
+ * vout_Display: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to dummy image, waits until
* it is displayed and switch the two rendering buffers, preparing next frame.
*****************************************************************************/
-void vout_SysDisplay( vout_thread_t *p_vout )
+static void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
{
- ;
+ /* No need to do anything, the fake direct buffers stay as they are */
}
-/* following functions are local */
/*****************************************************************************
- * DummyOpenDisplay: open and initialize dummy device
+ * DummyNewPicture: allocate a picture
*****************************************************************************
- * 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 !
+ * Returns 0 on success, -1 otherwise
*****************************************************************************/
-
-static int DummyOpenDisplay( vout_thread_t *p_vout )
+static int DummyNewPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
- p_vout->i_width = WIDTH;
- p_vout->i_height = HEIGHT;
- p_vout->i_screen_depth = BITS_PER_PLANE;
- p_vout->i_bytes_per_pixel = BYTES_PER_PIXEL;
- p_vout->i_bytes_per_line = WIDTH * BYTES_PER_PIXEL;
+ int i_luma_bytes, i_chroma_bytes;
- p_vout->p_sys->i_page_size = WIDTH * HEIGHT * BYTES_PER_PIXEL;
+ int i_width = p_vout->output.i_width;
+ int i_height = p_vout->output.i_height;
- /* Map two framebuffers a the very beginning of the fb */
- p_vout->p_sys->p_video = malloc( p_vout->p_sys->i_page_size * 2 );
- if( (int)p_vout->p_sys->p_video == -1 )
+ switch( p_vout->output.i_chroma )
{
- intf_ErrMsg("vout error: can't map video memory (%s)\n", strerror(errno) );
- return( 1 );
- }
+ /* We know this chroma, allocate a buffer which will be used
+ * directly by the decoder */
+ case YUV_420_PICTURE:
- /* 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 );
-}
+ /* Precalculate some values */
+ p_pic->i_size = i_width * i_height;
+ p_pic->i_chroma_width = i_width / 2;
+ p_pic->i_chroma_size = i_width * i_height / 2;
-/*****************************************************************************
- * DummyCloseDisplay: close and reset dummy device
- *****************************************************************************
- * Returns all resources allocated by DummyOpenDisplay and restore the original
- * state of the device.
- *****************************************************************************/
-static void DummyCloseDisplay( vout_thread_t *p_vout )
-{
- free( p_vout->p_sys->p_video );
+ /* Allocate the memory buffer */
+ i_luma_bytes = p_pic->i_size * sizeof(pixel_data_t);
+ i_chroma_bytes = p_pic->i_chroma_size * sizeof(pixel_data_t);
+
+ /* Y buffer */
+ p_pic->planes[ Y_PLANE ].p_data = malloc( i_luma_bytes + 2 * i_chroma_bytes );
+ p_pic->planes[ Y_PLANE ].i_bytes = i_luma_bytes;
+
+ /* U buffer */
+ p_pic->planes[ U_PLANE ].p_data = p_pic->planes[ Y_PLANE ].p_data + i_height * i_width;
+ p_pic->planes[ U_PLANE ].i_bytes = i_chroma_bytes;
+
+ /* V buffer */
+ p_pic->planes[ V_PLANE ].p_data = p_pic->planes[ U_PLANE ].p_data + i_height * p_pic->i_chroma_width;
+ p_pic->planes[ V_PLANE ].i_bytes = i_chroma_bytes;
+
+ /* We allocated 3 planes */
+ p_pic->i_planes = 3;
+
+ return( 0 );
+ break;
+
+ /* Unknown chroma, allocate an RGB buffer, the video output's job
+ * will be to do the chroma->RGB conversion */
+ default:
+
+ /* Precalculate some values */
+ i_luma_bytes = sizeof(u16) * i_width * i_height;
+
+ /* Allocate the memory buffer */
+ p_pic->planes[ RGB_PLANE ].p_data = malloc( i_luma_bytes );
+ p_pic->planes[ RGB_PLANE ].i_bytes = i_luma_bytes;
+
+ /* We allocated 1 plane */
+ p_pic->i_planes = 1;
+
+ return( 0 );
+ break;
+ }
}
projects / vlc / blobdiff