1 /*****************************************************************************
2 * vout.c: QNX RTOS video output display method
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN (Centrale Réseaux) and its contributors
6 * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
7 * Pascal Levesque <Pascal.Levesque@mindready.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
27 #include <errno.h> /* ENOMEM */
28 #include <stdlib.h> /* free() */
29 #include <string.h> /* strerror() */
31 #include <photon/PtWidget.h>
32 #include <photon/PtWindow.h>
33 #include <photon/PtLabel.h>
34 #include <photon/PdDirect.h>
40 /*****************************************************************************
41 * vout_sys_t: video output QNX method descriptor
42 *****************************************************************************
43 * This structure is part of the video output thread descriptor.
44 * It describes the QNX specific properties of an output thread. QNX video
45 * output is performed through regular resizable windows. Windows can be
46 * dynamically resized to adapt to the size of the streams.
47 *****************************************************************************/
48 #define MAX_DIRECTBUFFERS 2
50 #define MODE_NORMAL_MEM 0
51 #define MODE_SHARED_MEM 1
52 #define MODE_VIDEO_MEM 2
53 #define MODE_VIDEO_OVERLAY 3
61 PtWidget_t * p_window;
63 /* Color palette for 8bpp */
64 PgColor_t p_colors[255];
66 /* [shared] memory blit */
69 /* video memory blit */
72 PgVideoChannel_t * p_channel;
77 int i_bytes_per_pixel;
80 /* position & dimensions */
90 /*****************************************************************************
91 * picture_sys_t: direct buffer method descriptor
92 *****************************************************************************
93 * This structure is part of the picture descriptor, it describes the
94 * XVideo specific properties of a direct buffer.
95 *****************************************************************************/
98 /* [shared] memory blit */
101 /* video memory blit and video overlay */
102 PdOffscreenContext_t * p_ctx[3]; /* 0: y, 1: u, 2: v */
107 /*****************************************************************************
109 *****************************************************************************/
110 static int QNXInit ( vout_thread_t * );
111 static void QNXEnd ( vout_thread_t * );
112 static int QNXManage ( vout_thread_t * );
113 static void QNXDisplay ( vout_thread_t *, picture_t * );
115 static int QNXInitDisplay ( vout_thread_t * );
116 static int QNXCreateWnd ( vout_thread_t * );
117 static int QNXDestroyWnd ( vout_thread_t * );
119 static int NewPicture ( vout_thread_t *, picture_t *, int );
120 static void FreePicture ( vout_thread_t *, picture_t * );
121 static int ResizeOverlayOutput ( vout_thread_t * );
122 static void SetPalette ( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
124 /*****************************************************************************
125 * OpenVideo: allocate QNX video thread output method
126 *****************************************************************************
127 * This function allocate and initialize a QNX vout method. It uses some of the
128 * vout properties to choose the window size, and change them according to the
129 * actual properties of the display.
130 *****************************************************************************/
131 int E_(OpenVideo) ( vlc_object_t *p_this )
133 vout_thread_t * p_vout = (vout_thread_t *)p_this;
135 /* init connection to photon */
136 if( PtInit( "/dev/photon" ) != 0 )
138 msg_Err( p_vout, "unable to connect to photon" );
142 /* allocate structure */
143 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
144 if( p_vout->p_sys == NULL )
146 msg_Err( p_vout, "out of memory" );
150 memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
152 p_vout->b_fullscreen = config_GetInt( p_vout, "fullscreen" );
153 p_vout->p_sys->i_mode = config_GetInt( p_vout, "overlay" ) ?
154 MODE_VIDEO_OVERLAY : MODE_VIDEO_MEM;
155 p_vout->p_sys->dim.w = p_vout->i_window_width;
156 p_vout->p_sys->dim.h = p_vout->i_window_height;
158 /* init display and create window */
159 if( QNXInitDisplay( p_vout ) || QNXCreateWnd( p_vout ) )
161 free( p_vout->p_sys );
165 p_vout->pf_init = QNXInit;
166 p_vout->pf_end = QNXEnd;
167 p_vout->pf_manage = QNXManage;
168 p_vout->pf_render = NULL;
169 p_vout->pf_display = QNXDisplay;
174 /*****************************************************************************
175 * QNXInit: initialize QNX video thread output method
176 *****************************************************************************
177 * This function create the buffers needed by the output thread. It is called
178 * at the beginning of the thread, but also each time the window is resized.
179 *****************************************************************************/
180 static int QNXInit( vout_thread_t *p_vout )
185 I_OUTPUTPICTURES = 0;
187 switch( p_vout->p_sys->i_mode )
189 case MODE_NORMAL_MEM:
190 case MODE_SHARED_MEM:
191 p_vout->output.i_width = p_vout->p_sys->dim.w;
192 p_vout->output.i_height = p_vout->p_sys->dim.h;
194 /* Assume we have square pixels */
195 p_vout->output.i_aspect = p_vout->p_sys->dim.w
196 * VOUT_ASPECT_FACTOR / p_vout->p_sys->dim.h;
200 p_vout->output.i_width = p_vout->p_sys->dim.w;
201 p_vout->output.i_height = p_vout->p_sys->dim.h;
203 /* Assume we have square pixels */
204 p_vout->output.i_aspect = p_vout->p_sys->dim.w
205 * VOUT_ASPECT_FACTOR / p_vout->p_sys->dim.h;
208 case MODE_VIDEO_OVERLAY:
209 p_vout->output.i_width = p_vout->render.i_width;
210 p_vout->output.i_height = p_vout->render.i_height;
211 p_vout->output.i_aspect = p_vout->render.i_aspect;
213 if (ResizeOverlayOutput(p_vout))
220 /* This shouldn't happen ! */
224 /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
225 while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
229 /* Find an empty picture slot */
230 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
232 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
234 p_pic = p_vout->p_picture + i_index;
239 /* Allocate the picture */
240 if( p_pic == NULL || NewPicture( p_vout, p_pic, I_OUTPUTPICTURES ) )
245 p_pic->i_status = DESTROYED_PICTURE;
246 p_pic->i_type = DIRECT_PICTURE;
248 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
256 /*****************************************************************************
257 * QNXEnd: terminate QNX video thread output method
258 *****************************************************************************
259 * Destroy the buffers created by QNXInit. It is called at the end of
260 * the thread, but also each time the window is resized.
261 *****************************************************************************/
262 static void QNXEnd( vout_thread_t *p_vout )
266 /* Free the direct buffers we allocated */
267 for( i_index = I_OUTPUTPICTURES ; i_index ; )
270 FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
274 /*****************************************************************************
275 * CloseVideo: destroy QNX video thread output method
276 *****************************************************************************
277 * Terminate an output method created by QNXCreate
278 *****************************************************************************/
279 void E_(CloseVideo) ( vlc_object_t *p_this )
281 vout_thread_t * p_vout = (vout_thread_t *)p_this;
283 /* destroy the window */
284 QNXDestroyWnd( p_vout );
286 /* destroy structure */
287 free( p_vout->p_sys );
290 /*****************************************************************************
291 * QNXManage: handle QNX events
292 *****************************************************************************
293 * This function should be called regularly by video output thread. It allows
294 * window resizing. It returns a non null value on error.
295 *****************************************************************************/
296 static int QNXManage( vout_thread_t *p_vout )
300 vlc_bool_t b_repos = 0;
302 if (p_vout->b_die == 1)
307 /* allocate buffer for event */
308 i_buflen = sizeof( PhEvent_t ) * 4;
309 if( ( p_event = malloc( i_buflen ) ) == NULL )
311 msg_Err( p_vout, "out of memory" );
318 memset( p_event, 0, i_buflen );
319 i_ev = PhEventPeek( p_event, i_buflen );
321 if( i_ev == Ph_RESIZE_MSG )
323 i_buflen = PhGetMsgSize( p_event );
324 if( ( p_event = realloc( p_event, i_buflen ) ) == NULL )
326 msg_Err( p_vout, "out of memory" );
330 else if( i_ev == Ph_EVENT_MSG )
332 PtEventHandler( p_event );
334 if( p_event->type == Ph_EV_WM )
336 PhWindowEvent_t *p_ev = PhGetData( p_event );
338 switch( p_ev->event_f )
341 p_vout->p_vlc->b_die = 1;
345 p_vout->p_sys->pos.x = p_ev->pos.x;
346 p_vout->p_sys->pos.y = p_ev->pos.y;
351 p_vout->p_sys->old_dim.w = p_vout->p_sys->dim.w;
352 p_vout->p_sys->old_dim.h = p_vout->p_sys->dim.h;
353 p_vout->p_sys->dim.w = p_ev->size.w;
354 p_vout->p_sys->dim.h = p_ev->size.h;
355 p_vout->i_changes |= VOUT_SIZE_CHANGE;
359 else if( p_event->type == Ph_EV_KEY )
361 PhKeyEvent_t *p_ev = PhGetData( p_event );
362 long i_key = p_ev->key_sym;
364 if( ( p_ev->key_flags & Pk_KF_Key_Down ) &&
365 ( p_ev->key_flags & Pk_KF_Sym_Valid ) )
371 p_vout->p_vlc->b_die = 1;
376 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
381 p_vout->b_grayscale = ! p_vout->b_grayscale;
382 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
391 } while( i_ev != -1 && i_ev != 0 );
398 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
402 p_vout->b_fullscreen = !p_vout->b_fullscreen;
403 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
405 if( p_vout->b_fullscreen )
407 p_vout->p_sys->old_pos.x = p_vout->p_sys->pos.x;
408 p_vout->p_sys->old_pos.y = p_vout->p_sys->pos.y;
409 p_vout->p_sys->pos.x = p_vout->p_sys->pos.y = 0;
410 dim.w = p_vout->p_sys->screen_dim.w + 1;
411 dim.h = p_vout->p_sys->screen_dim.h + 1;
415 p_vout->p_sys->pos.x = p_vout->p_sys->old_pos.x;
416 p_vout->p_sys->pos.y = p_vout->p_sys->old_pos.y;
417 dim.w = p_vout->p_sys->old_dim.w + 1;
418 dim.h = p_vout->p_sys->old_dim.h + 1;
421 /* modify render flags, border */
422 PtSetResource( p_vout->p_sys->p_window,
423 Pt_ARG_WINDOW_RENDER_FLAGS,
424 p_vout->b_fullscreen ? Pt_FALSE : Pt_TRUE,
425 Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE );
427 /* set position and dimension */
428 PtSetResource( p_vout->p_sys->p_window,
429 Pt_ARG_POS, &p_vout->p_sys->pos, 0 );
430 PtSetResource( p_vout->p_sys->p_window,
431 Pt_ARG_DIM, &dim, 0 );
433 /* mark as damaged to force redraw */
434 PtDamageWidget( p_vout->p_sys->p_window );
440 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
442 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
444 if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
446 ResizeOverlayOutput(p_vout);
451 p_vout->output.i_width = p_vout->p_sys->dim.w;
452 p_vout->output.i_height = p_vout->p_sys->dim.h;
453 p_vout->i_changes |= VOUT_YUV_CHANGE;
456 if( QNXInit( p_vout ) )
458 msg_Err( p_vout, "cannot resize display" );
464 msg_Dbg( p_vout, "video display resized (%dx%d)",
465 p_vout->p_sys->dim.w, p_vout->p_sys->dim.h );
469 * position change, move video channel
471 if( b_repos && p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
473 ResizeOverlayOutput(p_vout);
476 return( i_ev == -1 );
479 /*****************************************************************************
480 * QNXDisplay: displays previously rendered output
481 *****************************************************************************
482 * This function send the currently rendered image to QNX server, wait until
483 * it is displayed and switch the two rendering buffer, preparing next frame.
484 *****************************************************************************/
485 static void QNXDisplay( vout_thread_t *p_vout, picture_t *p_pic )
487 if( p_vout->p_sys->i_mode == MODE_NORMAL_MEM ||
488 p_vout->p_sys->i_mode == MODE_SHARED_MEM )
490 PhPoint_t pos = { 0, 0 };
492 PgSetRegion( PtWidgetRid( p_vout->p_sys->p_window ) );
493 if (p_vout->p_sys->i_screen_depth == 8)
495 PgSetPalette( p_vout->p_sys->p_colors, 0, 0, 255, Pg_PALSET_SOFT, 0);
497 PgDrawPhImagemx( &pos, p_pic->p_sys->p_image, 0 );
500 else if( p_vout->p_sys->i_mode == MODE_VIDEO_MEM )
502 PhRect_t rc = { { 0, 0 }, { p_vout->output.i_width, p_vout->output.i_height } };
504 // PgSetRegion( PtWidgetRid ( p_vout->p_sys->p_window ) );
505 PgContextBlit( p_pic->p_sys->p_ctx[0], &rc, NULL, &rc );
510 /*****************************************************************************
511 * QNXInitDisplay: check screen resolution, depth, amount of video ram, etc
512 *****************************************************************************/
513 static int QNXInitDisplay( vout_thread_t * p_vout )
516 PgDisplaySettings_t cfg;
517 PgVideoModeInfo_t minfo;
519 /* get graphics card hw capabilities */
520 if( PgGetGraphicsHWCaps( &hwcaps ) != 0 )
522 msg_Err( p_vout, "unable to get gfx card capabilities" );
526 /* get current video mode */
527 if( PgGetVideoMode( &cfg ) != 0 )
529 msg_Err( p_vout, "unable to get current video mode" );
533 /* get video mode info */
534 if( PgGetVideoModeInfo( cfg.mode, &minfo ) != 0 )
536 msg_Err( p_vout, "unable to get info for video mode" );
540 if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
543 PgScalerCaps_t vcaps;
545 if( ( p_vout->p_sys->p_channel =
546 PgCreateVideoChannel( Pg_VIDEO_CHANNEL_SCALER, 0 ) ) == NULL )
548 msg_Err( p_vout, "unable to create video channel" );
549 printf("errno = %d\n", errno);
550 p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
554 vcaps.size = sizeof( vcaps );
555 while( PgGetScalerCapabilities( p_vout->p_sys->p_channel,
558 printf("vcaps.format = 0x%x\n", vcaps.format);
559 if( vcaps.format == Pg_VIDEO_FORMAT_YV12 ||
560 vcaps.format == Pg_VIDEO_FORMAT_YUV420 ||
561 vcaps.format == Pg_VIDEO_FORMAT_YUY2 ||
562 vcaps.format == Pg_VIDEO_FORMAT_UYVY ||
563 vcaps.format == Pg_VIDEO_FORMAT_RGB555 ||
564 vcaps.format == Pg_VIDEO_FORMAT_RGB565 ||
565 vcaps.format == Pg_VIDEO_FORMAT_RGB8888 )
567 p_vout->p_sys->i_vc_flags = vcaps.flags;
568 p_vout->p_sys->i_vc_format = vcaps.format;
571 vcaps.size = sizeof( vcaps );
574 if( p_vout->p_sys->i_vc_format == 0 )
576 msg_Warn( p_vout, "need YV12, YUY2 or RGB8888 overlay" );
578 p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
583 /* use video ram if we have enough available */
584 if( p_vout->p_sys->i_mode == MODE_NORMAL_MEM &&
585 (minfo.bits_per_pixel != 8) &&
586 hwcaps.currently_available_video_ram >=
587 ( ( minfo.width * minfo.height * minfo.bits_per_pixel * MAX_DIRECTBUFFERS) / 8 ) )
589 p_vout->p_sys->i_mode = MODE_VIDEO_MEM;
590 printf("Using video memory...\n");
593 p_vout->p_sys->i_img_type = minfo.type;
594 p_vout->p_sys->screen_dim.w = minfo.width;
595 p_vout->p_sys->screen_dim.h = minfo.height;
596 p_vout->p_sys->i_screen_depth = minfo.bits_per_pixel;
598 switch( p_vout->p_sys->i_screen_depth )
601 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
602 p_vout->p_sys->i_bytes_per_pixel = 1;
603 p_vout->output.pf_setpalette = SetPalette;
607 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
608 p_vout->p_sys->i_bytes_per_pixel = 2;
609 p_vout->output.i_rmask = 0x7c00;
610 p_vout->output.i_gmask = 0x03e0;
611 p_vout->output.i_bmask = 0x001f;
615 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
616 p_vout->p_sys->i_bytes_per_pixel = 2;
617 p_vout->output.i_rmask = 0xf800;
618 p_vout->output.i_gmask = 0x07e0;
619 p_vout->output.i_bmask = 0x001f;
623 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
624 p_vout->p_sys->i_bytes_per_pixel = 3;
625 p_vout->output.i_rmask = 0xff0000;
626 p_vout->output.i_gmask = 0x00ff00;
627 p_vout->output.i_bmask = 0x0000ff;
632 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
633 p_vout->p_sys->i_bytes_per_pixel = 4;
634 p_vout->output.i_rmask = 0xff0000;
635 p_vout->output.i_gmask = 0x00ff00;
636 p_vout->output.i_bmask = 0x0000ff;
643 /*****************************************************************************
644 * QNXCreateWnd: create and realize the main window
645 *****************************************************************************/
646 static int QNXCreateWnd( vout_thread_t * p_vout )
649 PhPoint_t pos = { 0, 0 };
650 PgColor_t color = Pg_BLACK;
652 if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
654 if( p_vout->p_sys->i_vc_flags & Pg_SCALER_CAP_DST_CHROMA_KEY )
656 color = PgGetOverlayChromaColor();
660 /* fullscreen, set dimension */
661 if( p_vout->b_fullscreen )
663 p_vout->p_sys->old_dim.w = p_vout->p_sys->dim.w;
664 p_vout->p_sys->old_dim.h = p_vout->p_sys->dim.h;
665 p_vout->output.i_width = p_vout->p_sys->dim.w = p_vout->p_sys->screen_dim.w;
666 p_vout->output.i_height = p_vout->p_sys->dim.h = p_vout->p_sys->screen_dim.h;
669 /* set window parameters */
670 PtSetArg( &args[0], Pt_ARG_POS, &pos, 0 );
671 PtSetArg( &args[1], Pt_ARG_DIM, &p_vout->p_sys->dim, 0 );
672 PtSetArg( &args[2], Pt_ARG_FILL_COLOR, color, 0 );
673 PtSetArg( &args[3], Pt_ARG_WINDOW_TITLE, "VLC media player", 0 );
674 PtSetArg( &args[4], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_CLOSE );
675 PtSetArg( &args[5], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE,
676 Ph_WM_MOVE | Ph_WM_RESIZE | Ph_WM_CLOSE );
677 PtSetArg( &args[6], Pt_ARG_WINDOW_RENDER_FLAGS,
678 p_vout->b_fullscreen ? Pt_FALSE : Pt_TRUE,
679 Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE );
682 p_vout->p_sys->p_window = PtCreateWidget( PtWindow, Pt_NO_PARENT, 7, args);
683 if( p_vout->p_sys->p_window == NULL )
685 msg_Err( p_vout, "unable to create window" );
689 /* realize the window widget */
690 if( PtRealizeWidget( p_vout->p_sys->p_window ) != 0 )
692 msg_Err( p_vout, "unable to realize window widget" );
693 PtDestroyWidget( p_vout->p_sys->p_window );
697 /* get window frame size */
698 if( PtWindowFrameSize( NULL, p_vout->p_sys->p_window,
699 &p_vout->p_sys->frame ) != 0 )
701 msg_Err( p_vout, "unable to get window frame size" );
702 PtDestroyWidget( p_vout->p_sys->p_window );
709 /*****************************************************************************
710 * QNXDestroyWnd: unrealize and destroy the main window
711 *****************************************************************************/
712 static int QNXDestroyWnd( vout_thread_t * p_vout )
714 /* destroy the window widget */
715 PtUnrealizeWidget( p_vout->p_sys->p_window );
716 // PtDestroyWidget( p_vout->p_sys->p_window );
718 /* destroy video channel */
719 if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
721 PgDestroyVideoChannel( p_vout->p_sys->p_channel );
728 /*****************************************************************************
729 * NewPicture: allocate a picture
730 *****************************************************************************
731 * Returns 0 on success, -1 otherwise
732 *****************************************************************************/
733 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic, int index )
735 /* We know the chroma, allocate a buffer which will be used
736 * directly by the decoder */
737 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
739 if( p_pic->p_sys == NULL )
744 switch( p_vout->p_sys->i_mode )
746 case MODE_NORMAL_MEM:
747 case MODE_SHARED_MEM:
748 /* create images for [shared] memory blit */
749 if( !( p_pic->p_sys->p_image = PhCreateImage( NULL,
750 p_vout->p_sys->dim.w, p_vout->p_sys->dim.h,
751 p_vout->p_sys->i_img_type, NULL, 0,
752 p_vout->p_sys->i_mode == MODE_SHARED_MEM ) ) ) {
753 msg_Err( p_vout, "cannot create image" );
754 free( p_pic->p_sys );
758 p_pic->p->p_pixels = p_pic->p_sys->p_image->image;
759 p_pic->p->i_lines = p_pic->p_sys->p_image->size.h;
760 p_pic->p->i_visible_lines = p_pic->p_sys->p_image->size.h;
761 p_pic->p->i_pitch = p_pic->p_sys->p_image->bpl;
762 p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
763 p_pic->p->i_visible_pitch = p_vout->p_sys->i_bytes_per_pixel
764 * p_pic->p_sys->p_image->size.w;
769 /* create offscreen contexts for video memory blit */
770 if( ( p_pic->p_sys->p_ctx[0] = PdCreateOffscreenContext( 0,
771 p_vout->p_sys->dim.w, p_vout->p_sys->dim.h,
772 Pg_OSC_MEM_PAGE_ALIGN) ) == NULL )
774 msg_Err( p_vout, "unable to create offscreen context" );
775 free( p_pic->p_sys );
779 /* get context pointers */
780 if( ( p_pic->p_sys->p_buf[0] =
781 PdGetOffscreenContextPtr ( p_pic->p_sys->p_ctx[0] ) ) == NULL )
783 msg_Err( p_vout, "unable to get offscreen context ptr" );
784 PhDCRelease ( p_pic->p_sys->p_ctx[0] );
785 p_pic->p_sys->p_ctx[0] = NULL;
786 free( p_pic->p_sys );
790 p_vout->p_sys->i_bytes_per_line = p_pic->p_sys->p_ctx[0]->pitch;
791 memset( p_pic->p_sys->p_buf[0], 0,
792 p_vout->p_sys->i_bytes_per_line * p_vout->p_sys->dim.h );
794 p_pic->p->p_pixels = p_pic->p_sys->p_buf[0];
795 p_pic->p->i_lines = p_pic->p_sys->p_ctx[0]->dim.h;
796 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[0]->dim.h;
797 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[0]->pitch;
798 p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
799 p_pic->p->i_visible_pitch = p_vout->p_sys->i_bytes_per_pixel
800 * p_pic->p_sys->p_ctx[0]->dim.w;
804 case MODE_VIDEO_OVERLAY:
807 p_pic->p_sys->p_ctx[Y_PLANE] = p_vout->p_sys->p_channel->yplane1;
808 p_pic->p_sys->p_ctx[U_PLANE] = p_vout->p_sys->p_channel->uplane1;
809 p_pic->p_sys->p_ctx[V_PLANE] = p_vout->p_sys->p_channel->vplane1;
813 p_pic->p_sys->p_ctx[Y_PLANE] = p_vout->p_sys->p_channel->yplane2;
814 p_pic->p_sys->p_ctx[U_PLANE] = p_vout->p_sys->p_channel->uplane2;
815 p_pic->p_sys->p_ctx[V_PLANE] = p_vout->p_sys->p_channel->vplane2;
818 p_pic->p_sys->p_buf[Y_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[Y_PLANE] );
819 if( p_pic->p_sys->p_buf[Y_PLANE] == NULL )
821 msg_Err( p_vout, "unable to get video channel ctx ptr" );
825 switch (p_vout->p_sys->i_vc_format)
827 case Pg_VIDEO_FORMAT_YUV420:
828 p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
830 p_pic->p_sys->p_buf[U_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[U_PLANE] );
831 p_pic->p_sys->p_buf[V_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[V_PLANE] );
833 if( p_pic->p_sys->p_buf[U_PLANE] == NULL ||
834 p_pic->p_sys->p_buf[V_PLANE] == NULL )
836 msg_Err( p_vout, "unable to get video channel ctx ptr" );
840 p_pic->Y_PIXELS = p_pic->p_sys->p_buf[Y_PLANE];
841 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
842 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
843 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
844 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
845 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
847 p_pic->U_PIXELS = p_pic->p_sys->p_buf[U_PLANE];
848 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
849 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
850 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_ctx[U_PLANE]->pitch;
851 p_pic->p[U_PLANE].i_pixel_pitch = 1;
852 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
854 p_pic->V_PIXELS = p_pic->p_sys->p_buf[V_PLANE];
855 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
856 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
857 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_ctx[V_PLANE]->pitch;
858 p_pic->p[V_PLANE].i_pixel_pitch = 1;
859 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
864 case Pg_VIDEO_FORMAT_YV12:
865 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
867 p_pic->p_sys->p_buf[U_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[U_PLANE] );
868 p_pic->p_sys->p_buf[V_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[V_PLANE] );
870 if( p_pic->p_sys->p_buf[U_PLANE] == NULL ||
871 p_pic->p_sys->p_buf[V_PLANE] == NULL )
873 msg_Err( p_vout, "unable to get video channel ctx ptr" );
877 p_pic->Y_PIXELS = p_pic->p_sys->p_buf[Y_PLANE];
878 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
879 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
880 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
881 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
882 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
884 p_pic->U_PIXELS = p_pic->p_sys->p_buf[U_PLANE];
885 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
886 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
887 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_ctx[U_PLANE]->pitch;
888 p_pic->p[U_PLANE].i_pixel_pitch = 1;
889 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
891 p_pic->V_PIXELS = p_pic->p_sys->p_buf[V_PLANE];
892 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
893 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
894 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_ctx[V_PLANE]->pitch;
895 p_pic->p[V_PLANE].i_pixel_pitch = 1;
896 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
901 case Pg_VIDEO_FORMAT_UYVY:
902 case Pg_VIDEO_FORMAT_YUY2:
903 if (p_vout->p_sys->i_vc_format == Pg_VIDEO_FORMAT_UYVY)
905 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
909 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
912 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
913 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
914 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
915 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
916 p_pic->p->i_pixel_pitch = 4;
917 p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
922 case Pg_VIDEO_FORMAT_RGB555:
923 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
924 p_vout->output.i_rmask = 0x001f;
925 p_vout->output.i_gmask = 0x03e0;
926 p_vout->output.i_bmask = 0x7c00;
928 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
929 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
930 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
931 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
932 p_pic->p->i_pixel_pitch = 2;
933 p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
938 case Pg_VIDEO_FORMAT_RGB565:
939 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
940 p_vout->output.i_rmask = 0x001f;
941 p_vout->output.i_gmask = 0x07e0;
942 p_vout->output.i_bmask = 0xf800;
944 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
945 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
946 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
947 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
948 p_pic->p->i_pixel_pitch = 4;
949 p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
954 case Pg_VIDEO_FORMAT_RGB8888:
955 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
956 p_vout->output.i_rmask = 0x000000ff;
957 p_vout->output.i_gmask = 0x0000ff00;
958 p_vout->output.i_bmask = 0x00ff0000;
960 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
961 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
962 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
963 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
964 p_pic->p->i_pixel_pitch = 4;
965 p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
972 switch( p_vout->output.i_chroma )
974 #ifdef MODULE_NAME_IS_xvideo
975 case VLC_FOURCC('Y','2','1','1'):
977 p_pic->p->p_pixels = p_pic->p_sys->p_image->data
978 + p_pic->p_sys->p_image->offsets[0];
979 p_pic->p->i_lines = p_vout->output.i_height;
980 p_pic->p->i_visible_lines = p_vout->output.i_height;
981 /* XXX: this just looks so plain wrong... check it out ! */
982 p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
983 p_pic->p->i_pixel_pitch = 4;
984 p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
993 /* This shouldn't happen ! */
1000 /*****************************************************************************
1001 * FreePicture: destroy a picture allocated with NewPicture
1002 *****************************************************************************
1003 * Destroy XImage AND associated data. If using Shm, detach shared memory
1004 * segment from server and process, then free it. The XDestroyImage manpage
1005 * says that both the image structure _and_ the data pointed to by the
1006 * image structure are freed, so no need to free p_image->data.
1007 *****************************************************************************/
1008 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1010 if( ( p_vout->p_sys->i_mode == MODE_NORMAL_MEM ||
1011 p_vout->p_sys->i_mode == MODE_SHARED_MEM ) &&
1012 p_pic->p_sys->p_image )
1014 PhReleaseImage( p_pic->p_sys->p_image );
1015 free( p_pic->p_sys->p_image );
1017 else if( p_vout->p_sys->i_mode == MODE_VIDEO_MEM &&
1018 p_pic->p_sys->p_ctx[0] )
1020 PhDCRelease( p_pic->p_sys->p_ctx[0] );
1023 free( p_pic->p_sys );
1027 static int ResizeOverlayOutput(vout_thread_t *p_vout)
1029 int i_width, i_height, i_x, i_y;
1031 PgScalerProps_t props;
1033 props.size = sizeof( props );
1034 props.format = p_vout->p_sys->i_vc_format;
1035 props.flags = Pg_SCALER_PROP_SCALER_ENABLE |
1036 Pg_SCALER_PROP_DOUBLE_BUFFER;
1038 /* enable chroma keying if available */
1039 if( p_vout->p_sys->i_vc_flags & Pg_SCALER_CAP_DST_CHROMA_KEY )
1041 props.flags |= Pg_SCALER_PROP_CHROMA_ENABLE;
1044 /* set viewport position */
1045 props.viewport.ul.x = p_vout->p_sys->pos.x;
1046 props.viewport.ul.y = p_vout->p_sys->pos.y;
1047 if( !p_vout->b_fullscreen )
1049 props.viewport.ul.x += p_vout->p_sys->frame.ul.x;
1050 props.viewport.ul.y += p_vout->p_sys->frame.ul.y;
1053 /* set viewport dimension */
1054 vout_PlacePicture( p_vout, p_vout->p_sys->dim.w,
1055 p_vout->p_sys->dim.h,
1056 &i_x, &i_y, &i_width, &i_height );
1058 props.viewport.ul.x += i_x;
1059 props.viewport.ul.y += i_y;
1060 props.viewport.lr.x = i_width + props.viewport.ul.x;
1061 props.viewport.lr.y = i_height + props.viewport.ul.y;
1063 /* set source dimension */
1064 props.src_dim.w = p_vout->output.i_width;
1065 props.src_dim.h = p_vout->output.i_height;
1067 /* configure scaler channel */
1068 i_ret = PgConfigScalerChannel( p_vout->p_sys->p_channel, &props );
1072 msg_Err( p_vout, "unable to configure video channel" );
1080 /*****************************************************************************
1081 * SetPalette: sets an 8 bpp palette
1082 *****************************************************************************
1083 * This function sets the palette given as an argument. It does not return
1084 * anything, but could later send information on which colors it was unable
1086 *****************************************************************************/
1087 static void SetPalette( vout_thread_t *p_vout,
1088 uint16_t *red, uint16_t *green, uint16_t *blue )
1092 /* allocate palette */
1093 for( i = 0; i < 255; i++ )
1095 /* kludge: colors are indexed reversely because color 255 seems
1096 * to be reserved for black even if we try to set it to white */
1097 p_vout->p_sys->p_colors[ i ] = PgRGB( red[ i ] >> 8, green[ i ] >> 8, blue[ i ] >> 8 );