2 /*****************************************************************************
3 * mkv.cpp : matroska demuxer
4 *****************************************************************************
5 * Copyright (C) 2003-2004 the VideoLAN team
8 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * Steve Lhomme <steve.lhomme@free.fr>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
28 #include "Ebml_parser.hpp"
30 demux_sys_t::~demux_sys_t()
34 for ( i=0; i<streams.size(); i++ )
36 for ( i=0; i<opened_segments.size(); i++ )
37 delete opened_segments[i];
38 for ( i=0; i<used_segments.size(); i++ )
39 delete used_segments[i];
40 for ( i=0; i<stored_attachments.size(); i++ )
41 delete stored_attachments[i];
42 if( meta ) vlc_meta_Delete( meta );
44 while( titles.size() )
45 { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
47 vlc_mutex_destroy( &lock_demuxer );
51 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
55 EbmlElement *p_l0, *p_l1, *p_l2;
56 bool b_keep_stream = false, b_keep_segment;
58 // verify the EBML Header
59 p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
62 msg_Err( p_demux, "No EBML header found" );
66 // verify we can read this Segment, we only support Matroska version 1 for now
67 p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
69 EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
70 if (std::string(doc_type) != "matroska")
72 msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
76 EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
77 if (uint64(doc_read_version) > 2)
79 msg_Err( p_demux, "This matroska file is needs version %"PRId64" and this VLC only supports version 1 & 2", uint64(doc_read_version));
86 // find all segments in this file
87 p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
93 matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
97 if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
100 matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
101 b_keep_segment = b_initial;
103 ep = new EbmlParser(p_estream, p_l0, &demuxer );
105 p_segment1->segment = (KaxSegment*)p_l0;
107 while ((p_l1 = ep->Get()))
109 if (MKV_IS_ID(p_l1, KaxInfo))
111 // find the families of this segment
112 KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
114 p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
115 for( i = 0; i < p_info->ListSize(); i++ )
117 EbmlElement *l = (*p_info)[i];
119 if( MKV_IS_ID( l, KaxSegmentUID ) )
121 KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
122 b_keep_segment = (FindSegment( *p_uid ) == NULL);
123 if ( !b_keep_segment )
124 break; // this segment is already known
125 opened_segments.push_back( p_segment1 );
126 delete p_segment1->p_segment_uid;
127 p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
129 else if( MKV_IS_ID( l, KaxPrevUID ) )
131 p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
133 else if( MKV_IS_ID( l, KaxNextUID ) )
135 p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
137 else if( MKV_IS_ID( l, KaxSegmentFamily ) )
139 KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
140 p_segment1->families.push_back( p_fam );
146 if ( b_keep_segment )
148 b_keep_stream = true;
149 p_stream1->segments.push_back( p_segment1 );
153 p_segment1->segment = NULL;
157 if (p_l0->IsFiniteSize() )
159 p_l0->SkipData(*p_estream, KaxMatroska_Context);
160 p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
168 if ( !b_keep_stream )
177 void demux_sys_t::StartUiThread()
181 msg_Dbg( &demuxer, "Starting the UI Hook" );
183 /* FIXME hack hack hack hack FIXME */
184 /* Get p_input and create variable */
185 p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
186 var_Create( p_input, "x-start", VLC_VAR_INTEGER );
187 var_Create( p_input, "y-start", VLC_VAR_INTEGER );
188 var_Create( p_input, "x-end", VLC_VAR_INTEGER );
189 var_Create( p_input, "y-end", VLC_VAR_INTEGER );
190 var_Create( p_input, "color", VLC_VAR_ADDRESS );
191 var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
192 var_Create( p_input, "highlight", VLC_VAR_BOOL );
193 var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
195 /* Now create our event thread catcher */
196 p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
197 p_ev->p_demux = &demuxer;
199 vlc_mutex_init( &p_ev->lock );
200 vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
201 VLC_THREAD_PRIORITY_LOW );
205 void demux_sys_t::StopUiThread()
209 vlc_object_kill( p_ev );
210 vlc_thread_join( p_ev );
211 vlc_object_release( p_ev );
215 var_Destroy( p_input, "highlight-mutex" );
216 var_Destroy( p_input, "highlight" );
217 var_Destroy( p_input, "x-start" );
218 var_Destroy( p_input, "x-end" );
219 var_Destroy( p_input, "y-start" );
220 var_Destroy( p_input, "y-end" );
221 var_Destroy( p_input, "color" );
222 var_Destroy( p_input, "menu-palette" );
224 vlc_object_release( p_input );
226 msg_Dbg( &demuxer, "Stopping the UI Hook" );
231 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
232 vlc_value_t oldval, vlc_value_t newval, void *p_data )
234 event_thread_t *p_ev = (event_thread_t *) p_data;
235 vlc_mutex_lock( &p_ev->lock );
236 if( psz_var[6] == 'c' )
238 p_ev->b_clicked = true;
239 msg_Dbg( p_this, "Event Mouse: clicked");
241 else if( psz_var[6] == 'm' )
242 p_ev->b_moved = true;
243 vlc_mutex_unlock( &p_ev->lock );
248 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *,
249 vlc_value_t, vlc_value_t newval, void *p_data )
251 event_thread_t *p_ev = (event_thread_t *) p_data;
252 vlc_mutex_lock( &p_ev->lock );
253 p_ev->i_key_action = newval.i_int;
254 vlc_mutex_unlock( &p_ev->lock );
255 msg_Dbg( p_this, "Event Key");
260 void * demux_sys_t::EventThread( vlc_object_t *p_this )
262 event_thread_t *p_ev = (event_thread_t*)p_this;
263 demux_sys_t *p_sys = p_ev->p_demux->p_sys;
264 vlc_object_t *p_vout = NULL;
265 int canc = vlc_savecancel ();
267 p_ev->b_moved = false;
268 p_ev->b_clicked = false;
269 p_ev->i_key_action = 0;
271 /* catch all key event */
272 var_AddCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
275 while( vlc_object_alive (p_ev) )
277 if ( !p_sys->b_pci_packet_set )
284 bool b_activated = false;
287 if( p_ev->i_key_action )
289 msg_Dbg( p_ev->p_demux, "Handle Key Event");
291 vlc_mutex_lock( &p_ev->lock );
293 pci_t *pci = (pci_t *) &p_sys->pci_packet;
295 uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
297 switch( p_ev->i_key_action )
299 case ACTIONID_NAV_LEFT:
300 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
302 btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
303 if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
305 i_curr_button = p_button_ptr->left;
306 p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
307 btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
308 if ( button_ptr.auto_action_mode )
310 vlc_mutex_unlock( &p_ev->lock );
311 vlc_mutex_lock( &p_sys->lock_demuxer );
313 // process the button action
314 p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
316 vlc_mutex_unlock( &p_sys->lock_demuxer );
317 vlc_mutex_lock( &p_ev->lock );
322 case ACTIONID_NAV_RIGHT:
323 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
325 btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
326 if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
328 i_curr_button = p_button_ptr->right;
329 p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
330 btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
331 if ( button_ptr.auto_action_mode )
333 vlc_mutex_unlock( &p_ev->lock );
334 vlc_mutex_lock( &p_sys->lock_demuxer );
336 // process the button action
337 p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
339 vlc_mutex_unlock( &p_sys->lock_demuxer );
340 vlc_mutex_lock( &p_ev->lock );
345 case ACTIONID_NAV_UP:
346 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
348 btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
349 if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
351 i_curr_button = p_button_ptr->up;
352 p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
353 btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
354 if ( button_ptr.auto_action_mode )
356 vlc_mutex_unlock( &p_ev->lock );
357 vlc_mutex_lock( &p_sys->lock_demuxer );
359 // process the button action
360 p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
362 vlc_mutex_unlock( &p_sys->lock_demuxer );
363 vlc_mutex_lock( &p_ev->lock );
368 case ACTIONID_NAV_DOWN:
369 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
371 btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
372 if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
374 i_curr_button = p_button_ptr->down;
375 p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
376 btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
377 if ( button_ptr.auto_action_mode )
379 vlc_mutex_unlock( &p_ev->lock );
380 vlc_mutex_lock( &p_sys->lock_demuxer );
382 // process the button action
383 p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
385 vlc_mutex_unlock( &p_sys->lock_demuxer );
386 vlc_mutex_lock( &p_ev->lock );
391 case ACTIONID_NAV_ACTIVATE:
394 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
396 btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
398 vlc_mutex_unlock( &p_ev->lock );
399 vlc_mutex_lock( &p_sys->lock_demuxer );
401 // process the button action
402 p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
404 vlc_mutex_unlock( &p_sys->lock_demuxer );
405 vlc_mutex_lock( &p_ev->lock );
411 p_ev->i_key_action = 0;
412 vlc_mutex_unlock( &p_ev->lock );
416 if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
418 vlc_value_t valx, valy;
420 vlc_mutex_lock( &p_ev->lock );
421 pci_t *pci = (pci_t *) &p_sys->pci_packet;
422 var_Get( p_vout, "mouse-x", &valx );
423 var_Get( p_vout, "mouse-y", &valy );
425 if( p_ev->b_clicked )
431 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
434 // get current button
436 dist = 0x08000000; /* >> than (720*720)+(567*567); */
437 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
439 btni_t *button_ptr = &(pci->hli.btnit[button-1]);
441 if(((unsigned)valx.i_int >= button_ptr->x_start)
442 && ((unsigned)valx.i_int <= button_ptr->x_end)
443 && ((unsigned)valy.i_int >= button_ptr->y_start)
444 && ((unsigned)valy.i_int <= button_ptr->y_end))
446 mx = (button_ptr->x_start + button_ptr->x_end)/2;
447 my = (button_ptr->y_start + button_ptr->y_end)/2;
448 dx = mx - valx.i_int;
449 dy = my - valy.i_int;
450 d = (dx*dx) + (dy*dy);
451 /* If the mouse is within the button and the mouse is closer
452 * to the center of this button then it is the best choice. */
462 btni_t button_ptr = pci->hli.btnit[best-1];
463 uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
465 msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
466 vlc_mutex_unlock( &p_ev->lock );
467 vlc_mutex_lock( &p_sys->lock_demuxer );
469 // process the button action
470 p_sys->dvd_interpretor.SetSPRM( 0x88, best );
471 p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
473 msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
476 if ( best != i_curr_button )
480 if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
482 vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
485 if(button_ptr.btn_coln != 0) {
486 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
491 for( int i = 0; i < 4; i++ )
493 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
494 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
495 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
497 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
498 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
499 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
500 p_sys->palette[i][3] = i_alpha;
503 vlc_mutex_lock( p_mutex );
504 val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
505 val.i_int = button_ptr.x_end; var_Set( p_sys->p_input, "x-end", val );
506 val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
507 val.i_int = button_ptr.y_end; var_Set( p_sys->p_input, "y-end", val );
509 val.p_address = (void *)p_sys->palette;
510 var_Set( p_sys->p_input, "menu-palette", val );
512 val.b_bool = true; var_Set( p_sys->p_input, "highlight", val );
513 vlc_mutex_unlock( p_mutex );
516 vlc_mutex_unlock( &p_sys->lock_demuxer );
517 vlc_mutex_lock( &p_ev->lock );
520 else if( p_ev->b_moved )
522 // dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
525 p_ev->b_moved = false;
526 p_ev->b_clicked = false;
527 vlc_mutex_unlock( &p_ev->lock );
531 if( p_vout && !vlc_object_alive (p_vout) )
533 var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
534 var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
535 vlc_object_release( p_vout );
539 else if( p_vout == NULL )
541 p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
545 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
546 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
550 /* Wait a bit, 10ms */
554 /* Release callback */
557 var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
558 var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
559 vlc_object_release( p_vout );
561 var_DelCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
563 vlc_mutex_destroy( &p_ev->lock );
565 vlc_restorecancel (canc);
569 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
571 for (size_t i=0; i<opened_segments.size(); i++)
573 opened_segments[i]->PreloadFamily( of_segment );
577 // preload all the linked segments for all preloaded segments
578 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
580 size_t i_preloaded, i, j;
581 virtual_segment_c *p_seg;
583 p_current_segment = VirtualFromSegments( p_segment );
585 used_segments.push_back( p_current_segment );
587 // create all the other virtual segments of the family
590 for ( i=0; i< opened_segments.size(); i++ )
592 if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
594 p_seg = VirtualFromSegments( opened_segments[i] );
595 used_segments.push_back( p_seg );
599 } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
601 // publish all editions of all usable segment
602 for ( i=0; i< used_segments.size(); i++ )
604 p_seg = used_segments[i];
605 if ( p_seg->p_editions != NULL )
607 input_title_t *p_title = vlc_input_title_New();
608 p_seg->i_sys_title = i;
611 // TODO use a name for each edition, let the TITLE deal with a codec name
612 for ( j=0; j<p_seg->p_editions->size(); j++ )
614 if ( p_title->psz_name == NULL )
616 const char* psz_tmp = (*p_seg->p_editions)[j]->GetMainName().c_str();
617 if( *psz_tmp != '\0' )
618 p_title->psz_name = strdup( psz_tmp );
621 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
624 p_edition->PublishChapters( *p_title, i_chapters, 0 );
627 // create a name if there is none
628 if ( p_title->psz_name == NULL )
630 if( asprintf(&(p_title->psz_name), "%s %d", N_("Segment"), (int)i) == -1 )
631 p_title->psz_name = NULL;
634 titles.push_back( p_title );
638 // TODO decide which segment should be first used (VMG for DVD)
641 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
643 for ( size_t i=0; i< used_segments.size(); i++ )
645 if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
651 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
653 size_t i_preloaded, i;
655 virtual_segment_c *p_result = new virtual_segment_c( p_segment );
657 // fill our current virtual segment with all hard linked segments
660 for ( i=0; i< opened_segments.size(); i++ )
662 i_preloaded += p_result->AddSegment( opened_segments[i] );
664 } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
668 p_result->PreloadLinked( );
670 p_result->PrepareChapters( );
675 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
677 if ( p_new_segment != NULL && p_new_segment != p_current_segment )
679 if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
680 p_current_segment->Segment()->UnSelect();
682 p_current_segment = p_new_segment;
683 i_current_title = p_new_segment->i_sys_title;
685 if( !p_current_segment->Segment()->b_cues )
686 msg_Warn( &p_current_segment->Segment()->sys.demuxer, "no cues/empty cues found->seek won't be precise" );
688 f_duration = p_current_segment->Duration();
690 /* add information */
691 p_current_segment->Segment()->InformationCreate( );
692 p_current_segment->Segment()->Select( 0 );
697 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
699 // if the segment is not part of the current segment, select the new one
700 if ( &vsegment != p_current_segment )
702 PreparePlayback( &vsegment );
705 if ( p_chapter != NULL )
707 if ( !p_chapter->Enter( true ) )
709 // jump to the location in the found segment
710 vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter, -1 );
716 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
718 for (size_t i=0; i<opened_segments.size(); i++)
720 if ( *opened_segments[i]->p_segment_uid == uid )
721 return opened_segments[i];
726 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
727 bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
728 const void *p_cookie,
729 size_t i_cookie_size,
730 virtual_segment_c * &p_segment_found )
732 chapter_item_c *p_result = NULL;
733 for (size_t i=0; i<used_segments.size(); i++)
735 p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
736 if ( p_result != NULL )
738 p_segment_found = used_segments[i];
745 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
747 chapter_item_c *p_result = NULL;
748 for (size_t i=0; i<used_segments.size(); i++)
750 p_result = used_segments[i]->FindChapter( i_find_uid );
751 if ( p_result != NULL )
753 p_segment_found = used_segments[i];
760 void demux_sys_t::SwapButtons()
762 #ifndef WORDS_BIGENDIAN
763 uint8_t button, i, j;
765 for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
766 btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
767 binary *p_data = (binary*) button_ptr;
769 uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
770 uint16 i_x_end = ((p_data[1] & 0x03) << 8 ) + p_data[2];
771 uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
772 uint16 i_y_end = ((p_data[4] & 0x03) << 8 ) + p_data[5];
773 button_ptr->x_start = i_x_start;
774 button_ptr->x_end = i_x_end;
775 button_ptr->y_start = i_y_start;
776 button_ptr->y_end = i_y_end;
779 for ( i = 0; i<3; i++ )
781 for ( j = 0; j<2; j++ )
783 pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );