Qt Embedded video out patch courtesy of Gerald Hansink.

Ported Qt Embedded video out to vlc-0.5.0 (it is not useable yet).

modules/video_output/qte/Makefile

+qte_SOURCES = qte.cpp

modules/video_output/qte/qte.cpp

+/*****************************************************************************
+ * qte.cpp : QT Embedded plugin for vlc
+ *****************************************************************************
+ * Copyright (C) 1998-2002 VideoLAN
+ * $Id: qte.cpp,v 1.1 2002/09/04 21:13:33 jpsaman Exp $
+ *
+ * Authors: Gerald Hansink <gerald.hansink@ordain.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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+/*****************************************************************************
+ * notes:
+ * - written for ipaq, so hardcoded assumptions specific for ipaq...
+ * - runs full screen
+ * - no "mouse events" handling
+ * - etc.
+ *****************************************************************************/
+
+#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 <qapplication.h>
+#include <qpainter.h>
+
+#ifdef Q_WS_QWS
+# define USE_DIRECT_PAINTER
+# include <qdirectpainter_qws.h>
+# include <qgfxraster_qws.h>
+#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"
+
+#include "qte.h"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define ALT_FS_TEXT N_("alternate fullscreen method")
+#define ALT_FS_TEXT N_("alternate fullscreen method")
+#define ALT_FS_LONGTEXT N_( \
+    "There are two ways to make a fullscreen window, unfortunately each one " \
+    "has its drawbacks.\n" \
+    "1) Let the window manager handle your fullscreen window (default). But " \
+    "things like taskbars will likely show on top of the video.\n" \
+    "2) Completly bypass the window manager, but then nothing will be able " \
+    "to show on top of the video.")
+#define DISPLAY_TEXT N_("QT Embedded display name")
+#define DISPLAY_LONGTEXT N_( \
+    "Specify the X11 hardware display you want to use. By default vlc will " \
+    "use the value of the DISPLAY environment variable.")
+#define DRAWABLE_TEXT N_("QT Embedded drawable")
+#define DRAWABLE_LONGTEXT N_( \
+    "Specify a QT Embedded drawable to use instead of opening a new window. This " \
+    "option is DANGEROUS, use with care.")
+
+/*****************************************************************************
+* Exported prototypes
+*****************************************************************************/
+
+vlc_module_begin();
+    add_category_hint( N_("QT Embedded"), NULL );
+    add_string( "qte-display", NULL, NULL, NULL, NULL); //DISPLAY_TEXT, DISPLAY_LONGTEXT );
+    add_bool( "qte-altfullscreen", 0, NULL, NULL, NULL); //ALT_FS_TEXT, ALT_FS_LONGTEXT );
+    add_integer( "qte-drawable", -1, NULL, NULL, NULL); //DRAWABLE_TEXT, DRAWABLE_LONGTEXT );
+    set_description( _("QT Embedded module") );
+    set_capability( "video output", 20 );
+    set_callbacks( Open, Close);
+vlc_module_end();
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int  Open      ( vlc_object_t * );
+static void Close     ( vlc_object_t * );
+static void Render    ( vout_thread_t *, picture_t * );
+static void Display   ( vout_thread_t *, picture_t * );
+static int  Manage    ( vout_thread_t * );
+static int  Init      ( vout_thread_t * );
+static void 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* run_qtapp_exec (void* pVoid);
+
+/*****************************************************************************
+ * Seeking function TODO: put this in a generic location !
+ *****************************************************************************/
+static inline void vout_Seek( off_t i_seek )
+{
+}
+
+/*****************************************************************************
+ * Open: allocate video thread output method
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+    //msg_Err( "+vout_Create::qte" );
+    vout_thread_t * p_vout = (vout_thread_t *)p_this;
+
+    /* Allocate structure */
+    p_vout->p_sys = (vout_sys_s*) malloc( sizeof( vout_sys_t ) );
+
+    if( p_vout->p_sys == NULL )
+    {
+        msg_Err( p_vout, "out of memory" );
+        return( 1 );
+    }
+
+//    memset(p_vout->p_sys, 0, sizeof( vout_sys_t ));
+
+    p_vout->pf_init    = Init;
+    p_vout->pf_end     = End;
+    p_vout->pf_manage  = NULL; //Manage;
+    p_vout->pf_render  = NULL; //Render;
+    p_vout->pf_display = Display;
+
+    CreateQtWindow(p_vout);
+
+    //msg_Err( "-vout_Create::qte\n" );
+    return( 0 );
+}
+
+/*****************************************************************************
+ * CloseVideo: destroy Sys video thread output method
+ *****************************************************************************
+ * Terminate an output method created by Open
+ *****************************************************************************/
+static void Close ( vlc_object_t *p_this )
+{
+    vout_thread_t * p_vout = (vout_thread_t *)p_this;
+
+    //msg_Err( "+vout_Destroy::qte\n" );
+    DestroyQtWindow(p_vout);
+    free(p_vout->p_sys);
+}
+
+/*****************************************************************************
+ * 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 Init( vout_thread_t *p_vout )
+{
+    int         i_index;
+    picture_t*  p_pic;
+
+    int         dd = QPixmap::defaultDepth();
+
+    //msg_Err( "+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++;
+    }
+
+    //msg_Err( "-vout_Init::qte %d output pictures\n", I_OUTPUTPICTURES);
+
+    return( 0 );
+}
+
+
+/*****************************************************************************
+ * Render: render previously calculated output
+ *****************************************************************************/
+static void Render( vout_thread_t *p_vout, picture_t *p_pic )
+{
+    //msg_Err( "+vout_Render::qte\n" );
+    ;
+}
+
+/*****************************************************************************
+ * Display: displays previously rendered output
+ *****************************************************************************
+ * This function sends the currently rendered image to screen.
+ *****************************************************************************/
+static void 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
+    }
+}
+
+/*****************************************************************************
+ * 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 Manage( vout_thread_t *p_vout )
+{
+    //msg_Err( "+vout_Manage::qte\n" );
+    return 0;
+}
+
+/*****************************************************************************
+ * 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 End( vout_thread_t *p_vout )
+{
+    int i_index;
+
+    //msg_Err( "+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();
+
+    //msg_Err( "+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;
+    }
+
+/*
+    msg_Err( "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 )
+{
+    //msg_Err( "vout_qt: +init qt window");
+
+    /* for displaying the vout in a qt window we need the QtApplication */
+    vlc_thread_t    thread_id;
+    //msg_Err( "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) )
+    {
+        msg_Err( "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);
+    }
+
+    //msg_Err( "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*
+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;
+}
+

modules/video_output/qte/qte.h

+/*****************************************************************************
+ * qte.h : QT Embedded plugin for vlc
+ *****************************************************************************
+ * Copyright (C) 1998-2002 VideoLAN
+ * $Id: qte.h,v 1.1 2002/09/04 21:13:33 jpsaman Exp $
+ *
+ * Authors: Gerald Hansink <gerald.hansink@ordain.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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+
+/*****************************************************************************
+ * 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
+