--- /dev/null
+/*****************************************************************************
+ * qte.cpp : Qt Embedded video output plugin implementation
+ *****************************************************************************
+ * Copyright (C) 2002 VideoLAN
+ * $Id: qte.cpp,v 1.1.2.1 2002/09/30 20:32:46 jpsaman Exp $
+ *
+ * Authors: Gerald Hansink <gerald.hansink@ordina.nl>
+ * Jean-Paul Saman <jpsaman@wxs.nl>
+ *
+ * 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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * notes:
+ * - written for ipaq, so hardcoded assumptions specific for ipaq...
+ * - runs full screen
+ * - no "mouse events" handling
+ * - etc.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#include <qapplication.h>
+#include <qpainter.h>
+
+#ifdef Q_WS_QWS
+# define USE_DIRECT_PAINTER
+# include <qdirectpainter_qws.h>
+# include <qgfxraster_qws.h>
+#endif
+
+#include <errno.h> /* ENOMEM */
+#include <stdlib.h> /* free() */
+#include <string.h> /* strerror() */
+
+#include <videolan/vlc.h>
+
+#ifdef HAVE_MACHINE_PARAM_H
+ /* BSD */
+# include <machine/param.h>
+# include <sys/types.h> /* typedef ushort */
+# include <sys/ipc.h>
+#endif
+
+#ifndef WIN32
+# include <netinet/in.h> /* BSD: struct in_addr */
+#endif
+
+#ifdef HAVE_SYS_SHM_H
+# include <sys/shm.h> /* shmget(), shmctl() */
+#endif
+
+
+#include "video.h"
+#include "video_output.h"
+
+#include "interface.h"
+#include "netutils.h" /* network_ChannelJoin */
+
+#include "stream_control.h" /* needed by input_ext-intf.h... */
+#include "input_ext-intf.h"
+
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int vout_Create ( vout_thread_t * );
+static void vout_Destroy ( vout_thread_t * );
+static void vout_Render ( vout_thread_t *, picture_t * );
+static void vout_Display ( vout_thread_t *, picture_t * );
+static int vout_Manage ( vout_thread_t * );
+static int vout_Init ( vout_thread_t * );
+static void vout_End ( vout_thread_t * );
+
+
+static int CreateQtWindow ( vout_thread_t * );
+static void DestroyQtWindow( vout_thread_t * );
+
+static int NewPicture ( vout_thread_t *, picture_t * );
+static void FreePicture ( vout_thread_t *, picture_t * );
+
+static void ToggleFullScreen ( vout_thread_t * );
+
+static void* vout_run_qtapp_exec (void* pVoid);
+
+/*****************************************************************************
+ * vout_sys_t: video output method descriptor
+ *****************************************************************************
+ * This structure is part of the video output thread descriptor.
+ * It describes the specific properties of an video output plugin
+ *****************************************************************************/
+typedef struct vout_sys_s
+{
+ /* Internal settings and properties */
+ int i_width;
+ int i_height;
+
+ bool bRunning;
+ bool bOwnsQApp;
+
+ QApplication* pcQApplication;
+ QWidget* pcVoutWidget;
+} vout_sys_t;
+
+
+/*****************************************************************************
+ * picture_sys_t: direct buffer method descriptor
+ *****************************************************************************/
+typedef struct picture_sys_s
+{
+ QImage* pQImage;
+} picture_sys_t;
+
+
+/*****************************************************************************
+ * Chroma defines
+ *****************************************************************************/
+#define QTE_MAX_DIRECTBUFFERS 2
+
+
+/*****************************************************************************
+ * Seeking function TODO: put this in a generic location !
+ *****************************************************************************/
+static inline void vout_Seek( off_t i_seek )
+{
+}
+
+extern "C"
+{
+
+void _M( vout_getfunctions )( function_list_t * p_function_list );
+
+/*****************************************************************************
+ * 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->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_render = vout_Render;
+ p_function_list->functions.vout.pf_display = vout_Display;
+}
+
+}
+
+
+/*****************************************************************************
+ * vout_Create: allocate video thread output method
+ *****************************************************************************/
+static int vout_Create( vout_thread_t *p_vout )
+{
+ //intf_ErrMsg( "+vout_Create::qte" );
+
+ /* Allocate structure */
+ p_vout->p_sys = (vout_sys_s*) malloc( sizeof( vout_sys_t ) );
+
+ if( p_vout->p_sys == NULL )
+ {
+ intf_ErrMsg( "vout error: %s", strerror(ENOMEM) );
+ return( 1 );
+ }
+
+ memset(p_vout->p_sys, 0, sizeof( vout_sys_t ));
+
+ CreateQtWindow(p_vout);
+
+ //intf_ErrMsg( "-vout_Create::qte\n" );
+ return( 0 );
+}
+
+/*****************************************************************************
+ * vout_Destroy: destroy video thread output method
+ *****************************************************************************
+ * Terminate an output method created by vout_Create
+ *****************************************************************************/
+static void vout_Destroy( vout_thread_t *p_vout )
+{
+ //intf_ErrMsg( "+vout_Destroy::qte\n" );
+ DestroyQtWindow(p_vout);
+ free(p_vout->p_sys);
+}
+
+/*****************************************************************************
+ * vout_Init: initialize video thread output method
+ *****************************************************************************
+ * This function create the buffers needed by the output thread. It is called
+ * at the beginning of the thread, but also each time the window is resized.
+ *****************************************************************************/
+static int vout_Init( vout_thread_t *p_vout )
+{
+ int i_index;
+ picture_t* p_pic;
+
+ int dd = QPixmap::defaultDepth();
+
+ //intf_ErrMsg( "+vout_Init::qte\n" );
+
+ I_OUTPUTPICTURES = 0;
+
+ p_vout->output.i_chroma = (dd == 16) ? FOURCC_RV16 : FOURCC_RV32;
+ p_vout->output.i_rmask = 0xf800;
+ p_vout->output.i_gmask = 0x07e0;
+ p_vout->output.i_bmask = 0x001f;
+ //p_vout->output.i_width = p_vout->render.i_width;
+ //p_vout->output.i_height = p_vout->render.i_height;
+ 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->render.i_aspect;
+
+ /* Try to initialize MAX_DIRECTBUFFERS direct buffers */
+ while( I_OUTPUTPICTURES < QTE_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( p_pic == NULL || NewPicture( p_vout, p_pic ) )
+ {
+ break;
+ }
+
+ p_pic->i_status = DESTROYED_PICTURE;
+ p_pic->i_type = DIRECT_PICTURE;
+
+ PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
+
+ I_OUTPUTPICTURES++;
+ }
+
+ //intf_ErrMsg( "-vout_Init::qte %d output pictures\n", I_OUTPUTPICTURES);
+
+ return( 0 );
+}
+
+
+/*****************************************************************************
+ * vout_Render: render previously calculated output
+ *****************************************************************************/
+static void vout_Render( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ //intf_ErrMsg( "+vout_Render::qte\n" );
+ ;
+}
+
+/*****************************************************************************
+ * vout_Display: displays previously rendered output
+ *****************************************************************************
+ * This function sends the currently rendered image to screen.
+ *****************************************************************************/
+static void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ int x, y, w, h;
+
+ vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
+ &x, &y, &w, &h );
+
+ if(p_vout->p_sys->pcVoutWidget)
+ {
+// shameless borrowed from opie mediaplayer....
+#ifndef USE_DIRECT_PAINTER
+ QPainter p(p_vout->p_sys->pcVoutWidget);
+
+ /* rotate frame */
+ int dd = QPixmap::defaultDepth();
+ int bytes = ( dd == 16 ) ? 2 : 4;
+ int rw = h, rh = w;
+
+ QImage rotatedFrame( rw, rh, bytes << 3 );
+
+ ushort* in = (ushort*)p_pic->p_sys->pQImage->bits();
+ ushort* out = (ushort*)rotatedFrame.bits();
+
+ int spl = rotatedFrame.bytesPerLine() / bytes;
+ for (int x=0; x<h; x++)
+ {
+ if ( bytes == 2 )
+ {
+ ushort* lout = out++ + (w - 1)*spl;
+ for (int y=0; y<w; y++)
+ {
+ *lout=*in++;
+ lout-=spl;
+ }
+ }
+ else
+ {
+ ulong* lout = ((ulong *)out)++ + (w - 1)*spl;
+ for (int y=0; y<w; y++)
+ {
+ *lout=*((ulong*)in)++;
+ lout-=spl;
+ }
+ }
+ }
+
+ p.drawImage( x, y, rotatedFrame, 0, 0, rw, rh );
+#else
+ QDirectPainter p(p_vout->p_sys->pcVoutWidget);
+
+ // just copy the image to the frame buffer...
+ memcpy(p.frameBuffer(), (p_pic->p_sys->pQImage->jumpTable())[0], h * p.lineStep());
+#endif
+ }
+}
+
+/*****************************************************************************
+ * vout_Manage: handle X11 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.
+ *****************************************************************************/
+static int vout_Manage( vout_thread_t *p_vout )
+{
+ //intf_ErrMsg( "+vout_Manage::qte\n" );
+ return 0;
+}
+
+/*****************************************************************************
+ * vout_End: terminate video thread output method
+ *****************************************************************************
+ * Destroy the buffers created by vout_Init. It is called at the end of
+ * the thread, but also each time the window is resized.
+ *****************************************************************************/
+static void vout_End( vout_thread_t *p_vout )
+{
+ int i_index;
+
+ //intf_ErrMsg( "+vout_End::qte\n" );
+
+ /* Free the direct buffers we allocated */
+ for( i_index = I_OUTPUTPICTURES ; i_index ; )
+ {
+ i_index--;
+ FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
+ }
+}
+
+
+/*****************************************************************************
+ * NewPicture: allocate a picture
+ *****************************************************************************
+ * Returns 0 on success, -1 otherwise
+ *****************************************************************************/
+static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ int dd = QPixmap::defaultDepth();
+
+ //intf_ErrMsg( "+NewPicture::dd = %d\n",dd );
+
+ p_pic->p_sys = (picture_sys_t*) malloc( sizeof( picture_sys_t ) );
+
+ if( p_pic->p_sys == NULL )
+ {
+ return -1;
+ }
+
+ switch(p_vout->output.i_chroma)
+ {
+ case FOURCC_RV16:
+ if(dd == 16)
+ {
+ p_pic->p_sys->pQImage = new QImage(p_vout->output.i_width,
+ p_vout->output.i_height,
+ dd );
+
+ if(p_pic->p_sys->pQImage == NULL)
+ {
+ return -1;
+ }
+
+ p_pic->p->p_pixels = (p_pic->p_sys->pQImage->jumpTable())[0];
+
+ p_pic->p->i_pitch = p_pic->p_sys->pQImage->bytesPerLine();
+
+ p_pic->p->i_lines = p_vout->output.i_height;
+ p_pic->p->i_pixel_bytes = 2;
+ p_pic->p->b_margin = 0;
+ p_pic->i_planes = 1;
+ }
+ else
+ {
+ return -1;
+ }
+ break;
+ case FOURCC_RV32:
+ if(dd == 32)
+ {
+ p_pic->p_sys->pQImage = new QImage(p_vout->output.i_width,
+ p_vout->output.i_height,
+ dd );
+
+ if(p_pic->p_sys->pQImage == NULL)
+ {
+ return -1;
+ }
+
+ p_pic->p->p_pixels = (p_pic->p_sys->pQImage->jumpTable())[0];
+
+ p_pic->p->i_pitch = p_pic->p_sys->pQImage->bytesPerLine();
+
+ p_pic->p->i_lines = p_vout->output.i_height;
+ p_pic->p->i_pixel_bytes = 4;
+ p_pic->p->b_margin = 0;
+ p_pic->i_planes = 1;
+ }
+ else
+ {
+ return -1;
+ }
+ break;
+ default:
+ return -1;
+ break;
+ }
+
+/*
+ intf_ErrMsg( "NewPicture: %d %d %d\n",p_vout->output.i_width,
+ p_vout->output.i_height,
+ p_vout->output.i_chroma );
+*/
+ return 0;
+}
+
+/*****************************************************************************
+ * FreePicture: destroy a picture allocated with NewPicture
+ *****************************************************************************/
+static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ delete p_pic->p_sys->pQImage;
+}
+
+/*****************************************************************************
+ * ToggleFullScreen: Enable or disable full screen mode
+ *****************************************************************************
+ * This function will switch between fullscreen and window mode.
+ *
+ *****************************************************************************/
+static void ToggleFullScreen ( vout_thread_t *p_vout )
+{
+}
+
+
+/*****************************************************************************
+ * CreateQtWindow: create qte applicaton / window
+ *****************************************************************************
+ * Create a window according to video output given size, and set other
+ * properties according to the display properties.
+ *****************************************************************************/
+static int CreateQtWindow( vout_thread_t *p_vout )
+{
+ //intf_ErrMsg( "vout_qt: +init qt window");
+
+ /* for displaying the vout in a qt window we need the QtApplication */
+ vlc_thread_t thread_id;
+ //intf_ErrMsg( "vout_qt: +init qt window, creating qpe application");
+
+ p_vout->p_sys->pcVoutWidget = NULL;
+
+ /* create thread to exec the qpe application */
+ if ( vlc_thread_create( &thread_id, "vout qte",
+ (vlc_thread_func_t)vout_run_qtapp_exec,
+ (void *)p_vout) )
+ {
+ intf_ErrMsg( "input error: can't spawn vout thread");
+ return( -1 );
+ }
+
+ p_vout->p_sys->i_width = 320;
+ p_vout->p_sys->i_height = 240;
+
+ // just wait until the crew is complete...
+ while(p_vout->p_sys->pcVoutWidget == NULL)
+ {
+ msleep(1);
+ }
+
+ //intf_ErrMsg( "vout_qt: -init qt window");
+
+ return( 0 );
+}
+
+
+/*****************************************************************************
+ * DestroyQtWindow: destroy the window
+ *****************************************************************************/
+static void DestroyQtWindow( vout_thread_t *p_vout )
+{
+ // quit qt application loop
+ if(p_vout->p_sys->pcQApplication)
+ {
+ if(p_vout->p_sys->bOwnsQApp)
+ {
+ p_vout->p_sys->pcQApplication->quit();
+ }
+ else
+ {
+ p_vout->p_sys->bRunning = FALSE;
+ }
+
+ while(p_vout->p_sys->pcVoutWidget)
+ {
+ msleep(1);
+ }
+ }
+}
+
+/*****************************************************************************
+ * main loop of qtapplication
+ *****************************************************************************/
+static void*
+vout_run_qtapp_exec(void* pVoid)
+{
+ int argc = 0;
+ char arg0[] = "vout qte";
+
+ vout_thread_t* p_vout = (vout_thread_t*) pVoid;
+
+ if(qApp == NULL)
+ {
+ QApplication* pApp = new QApplication(argc, NULL);
+ if(pApp)
+ {
+ p_vout->p_sys->pcQApplication = pApp;
+ p_vout->p_sys->bOwnsQApp = TRUE;
+ }
+ else
+ {
+ return NULL;
+ }
+ }
+ else
+ {
+ p_vout->p_sys->pcQApplication = qApp;
+ }
+
+ {
+ QWidget vo(0, "vout");
+ vo.showFullScreen();
+ vo.show();
+ p_vout->p_sys->pcVoutWidget = &vo;
+
+ p_vout->p_sys->bRunning = TRUE;
+
+ if(p_vout->p_sys->bOwnsQApp)
+ {
+ // run the main loop of qtapplication until someone says: 'quit'
+ p_vout->p_sys->pcQApplication->exec();
+ }
+ else
+ {
+ while(p_vout->p_sys->bRunning) msleep(100);
+ }
+ }
+
+ p_vout->p_sys->pcVoutWidget = NULL;
+
+ if(p_vout->p_sys->bOwnsQApp)
+ {
+ delete p_vout->p_sys->pcQApplication;
+ p_vout->p_sys->pcQApplication = NULL;
+ }
+
+ return 0;
+}
+
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