+++ /dev/null
-/*****************************************************************************
- * hd1000v.cpp: HD1000 video output display method
- *****************************************************************************
- * Copyright (C) 2004 the VideoLAN team
- * $Id$
- *
- * Authors: Jean-Paul Saman <jpsaman _at_ videolan _dot_ 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
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-extern "C" {
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_vout.h>
-#include <vlc_playlist.h>
-}
-
-#include <cascade/graphics/CascadeBitmap.h>
-#include <cascade/graphics/CascadeScreen.h>
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int Create ( vlc_object_t * );
-static void Destroy ( vlc_object_t * );
-
-static int Init ( vout_thread_t * );
-static void End ( vout_thread_t * );
-static void Display ( vout_thread_t *, picture_t * );
-
-static int NewPicture ( vout_thread_t *, picture_t * );
-static void FreePicture( vout_thread_t *, picture_t * );
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-vlc_module_begin ()
- set_description( N_("HD1000 video output") )
- set_capability( "video output", 100 )
- add_shortcut( "hd1000v" )
- set_callbacks( Create, Destroy )
-vlc_module_end ()
-
-/*****************************************************************************
- * vout_sys_t: video output method descriptor
- *****************************************************************************
- * This structure is part of the video output thread descriptor.
- * It describes the aa specific properties of an output thread.
- *****************************************************************************/
-struct vout_sys_t
-{
- uint32_t i_width; /* width of main window */
- uint32_t i_height; /* height of main window */
- uint32_t i_screen_depth;
- bool b_double_buffered;
-
- uint32_t u_current; /* Current output resolution. */
- CascadeScreen *p_screen;
-};
-
-struct picture_sys_t
-{
- CascadeSharedMemZone *p_image;
-};
-
-/*****************************************************************************
- * Create: allocates video thread output method
- *****************************************************************************
- * This function allocates and initializes a aa vout method.
- *****************************************************************************/
-static int Create( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- bool b_double_buffered = false;
-
- p_vout->p_sys = (struct vout_sys_t*) malloc( sizeof(struct vout_sys_t) );
- if( p_vout->p_sys == NULL )
- return VLC_ENOMEM;
-
- /* Allocate a screen for VLC vout. */
- p_vout->p_sys->p_screen = new CascadeScreen();
- if( p_vout->p_sys->p_screen == NULL )
- {
- msg_Err( p_vout, "unable to allocate screen" );
- free( p_vout->p_sys );
- return VLC_EGENERIC;
- }
-
- p_vout->pf_init = Init;
- p_vout->pf_end = End;
- p_vout->pf_manage = NULL;
- p_vout->pf_render = NULL;
- p_vout->pf_display = Display;
-
- /* Get current screen resolution */
- msg_Dbg( p_vout, "number of screen resolutions supported %u",
- p_vout->p_sys->p_screen->GetNumScreenResolutionsSupported() );
-
- p_vout->p_sys->p_screen->GetCurrentScreenResolution( (u32) p_vout->p_sys->u_current );
- p_vout->p_sys->p_screen->SetScreenResolution( (u32) p_vout->p_sys->u_current );
-
-#if 1
- msg_Dbg( p_vout, "available screen resolutions:" );
- for (u32 i=0; i<p_vout->p_sys->p_screen->GetNumScreenResolutionsSupported(); i++)
- {
- u32 i_width=0;
- u32 i_height=0;
- u8 i_screen_depth=0;
- bool b_buffered;
-
- p_vout->p_sys->p_screen->GetSupportedScreenResolutionAt( i,
- i_width, i_height, i_screen_depth, b_buffered);
- msg_Dbg( p_vout, " screen index = %u, width = %u, height = %u, depth = %u, double buffered = %s",
- i, i_width, i_height, i_screen_depth, (b_buffered ? "yes" : "no") );
- }
-#endif
-
- p_vout->p_sys->p_screen->GetSupportedScreenResolutionAt( (u32) p_vout->p_sys->u_current,
- (u32) p_vout->p_sys->i_width,
- (u32) p_vout->p_sys->i_height,
- (u8) p_vout->p_sys->i_screen_depth,
- b_double_buffered );
- p_vout->p_sys->b_double_buffered = (bool) b_double_buffered;
- msg_Dbg( p_vout, "using screen index = %u, width = %u, height = %u, depth = %u, double buffered = %d",
- p_vout->p_sys->u_current, /* Current screen. */
- p_vout->p_sys->i_width,
- p_vout->p_sys->i_height,
- p_vout->p_sys->i_screen_depth,
- p_vout->p_sys->b_double_buffered );
-
- return VLC_SUCCESS;
-}
-
-static void Destroy( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
-
- delete p_vout->p_sys->p_screen;
- free( p_vout->p_sys );
-}
-
-/*****************************************************************************
- * Init: initialize video thread output method
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
-{
- int i_index;
- picture_t *p_pic = NULL;
-
- I_OUTPUTPICTURES = 0;
-
- p_vout->output.i_chroma = VLC_CODEC_RGB8;
- p_vout->output.i_width = p_vout->p_sys->i_width;
- p_vout->output.i_height = p_vout->p_sys->i_height;
- p_vout->output.i_aspect = p_vout->p_sys->i_width
- * VOUT_ASPECT_FACTOR / p_vout->p_sys->i_height;
-
- /* Only RGBA 32bpp is supported by output device. */
- switch( p_vout->p_sys->i_screen_depth )
- {
- case 8: /* FIXME: set the palette */
- p_vout->output.i_chroma = VLC_CODEC_RGB8; break;
- case 15:
- p_vout->output.i_chroma = VLC_CODEC_RGB15; break;
- case 16:
- p_vout->output.i_chroma = VLC_CODEC_RGB16; break;
- case 24:
- p_vout->output.i_chroma = VLC_CODEC_RGB24; break;
- case 32:
- p_vout->output.i_chroma = VLC_CODEC_RGB32; break;
- default:
- msg_Err( p_vout, "unknown screen depth %i",
- p_vout->p_sys->i_screen_depth );
- return VLC_SUCCESS;
- }
-
- /* 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;
- }
- }
-
- if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
- {
- return -1;
- }
-
- /* Allocate the picture */
- p_pic->p->i_lines = p_vout->p_sys->i_height;
- p_pic->p->i_visible_lines = p_vout->p_sys->i_height;
- p_pic->p->i_pitch = p_vout->p_sys->i_width;
- p_pic->p->i_pixel_pitch = 1;
- p_pic->p->i_visible_pitch = p_vout->p_sys->i_width;
- p_pic->i_planes = 1;
-
- p_pic->i_status = DESTROYED_PICTURE;
- p_pic->i_type = DIRECT_PICTURE;
-
- PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
- I_OUTPUTPICTURES++;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * End: terminate video thread output method
- *****************************************************************************/
-static void End( vout_thread_t *p_vout )
-{
- int i_index;
-
- /* Free the direct buffers we allocated */
- for( i_index = I_OUTPUTPICTURES ; i_index ; )
- {
- i_index--;
- FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
- }
-}
-
-/*****************************************************************************
- * NewPicture: Allocate shared memory zone for video output
- *****************************************************************************/
-static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
-{
- CascadeDims p_dims = p_vout->p_sys->p_screen->GetDims();
-
- p_pic->p_sys = (picture_sys_t *) malloc( sizeof( picture_sys_t ) );
- if( p_pic->p_sys == NULL )
- {
- return -1;
- }
-
- /* Fill in picture_t fields */
- picture_Setup( p_pic, p_vout->output.i_chroma,
- p_vout->output.i_width, p_vout->output.i_height,
- p_vout->output.i_aspect * p_vout->output.i_height,
- VOUT_ASPECT_FACTOR * p_vout->output.i_width );
-
- p_pic->p_sys->p_image = new CascadeSharedMemZone();
- if( p_pic->p_sys->p_image == NULL )
- {
- free( p_pic->p_sys );
- return -1;
- }
-
- if( p_pic->p_sys->p_image->Open( "vlc_hd1000v", p_vout->output.i_width *
- p_vout->output.i_height * p_vout->p_sys->i_screen_depth,
- true ) )
- {
- msg_Err( p_vout, "failed to allocate shared memory" );
- free( p_pic->p_sys );
- return -1;
- }
-
- p_pic->p->i_lines = p_vout->output.i_height;
- p_pic->p->i_visible_lines = p_vout->output.i_height;
- p_pic->p->p_pixels = (uint8_t*) p_pic->p_sys->p_image->MapLock();
- p_pic->p->i_pitch = p_vout->p_sys->i_screen_depth;
- p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
- * p_vout->output.i_width;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * FreePicture: destroy a picture allocated with NewPicture
- *****************************************************************************
- * Destroy SharedMemZoned AND associated data. The picture normally will be
- * unlocked in the Display() function except when the video output is closed
- * before the picture is displayed.
- *****************************************************************************/
-static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
-{
- if( p_pic->p_sys->p_image->Unlock() )
- { /* Just a test to see the effect described above. REMOVE THIS */
- msg_Err( p_vout, "unlocking shared memory failed, already unlocked" );
- }
-
- if( p_pic->p_sys->p_image->Close() )
- {
- msg_Err( p_vout, "closing shared memory failed. Leaking memory of %ul",
- p_pic->p_sys->p_image->GetSize() );
- }
-
- delete p_pic->p_sys->p_image;
- free( p_pic->p_sys );
-}
-
-/*****************************************************************************
- * Display: Map p_image onto the screen
- *****************************************************************************/
-static void Display( vout_thread_t *p_vout, picture_t *p_pic )
-{
- uint32_t i_width, i_height, i_x, i_y;
- uint32_t i_offset = 0;
-
- vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
- p_vout->p_sys->i_height,
- &i_x, &i_y, &i_width, &i_height );
- msg_Dbg( p_vout, "PlacePicture at x_left = %d, y_left = %d, x_bottom = %d, y_bottom = %d",
- i_x, i_y, i_width, i_height );
-
- /* Currently the only pixel format supported is 32bpp RGBA.*/
- p_vout->p_sys->p_screen->LockScreen();
-
- /* Unlock the shared memory region first. */
- if( p_pic->p_sys->p_image->Unlock() )
- {
- msg_Err( p_vout, "unlocking shared memory failed. Expect threading problems." );
- }
-
- p_vout->p_sys->p_screen->Blit( CascadePoint( (u32) i_x, (u32) i_y ), /* Place bitmap at */
- (*p_pic->p_sys->p_image) , /* Image data */
- (u32) i_offset, /* Offset in SharedMemoryZone */
- (u32) i_width, /* Source bitmap width */
- (u32) i_height, /* Source bitmap height */
- (u32) p_vout->p_sys->i_screen_depth, /* Source pixel depth */
- CascadeRect( (u32) i_x, (u32) i_y, (u32) i_width, (u32) i_height ) );
-
- p_vout->p_sys->p_screen->UnlockScreen();
-}
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