// Copyright (C) 2003-2024 VLC authors and VideoLAN
// SPDX-License-Identifier: LGPL-2.1-or-later
//
// chapter_command_dvd.cpp : DVD codec for Matroska Chapter Codecs
// Authors: Laurent Aimar <fenrir@via.ecp.fr>
// Steve Lhomme <steve.lhomme@free.fr>
#include "chapter_command_dvd.hpp"
#include "virtual_segment.hpp"
#include <vlc_subpicture.h> // vlc_spu_highlight_t
#include <vlc_bits.h>
namespace mkv {
constexpr binary MATROSKA_DVD_LEVEL_SS = 0x30;
constexpr binary MATROSKA_DVD_LEVEL_LU = 0x2A;
constexpr binary MATROSKA_DVD_LEVEL_TT = 0x28;
constexpr binary MATROSKA_DVD_LEVEL_PGC = 0x20;
// constexpr binary MATROSKA_DVD_LEVEL_PG = 0x18;
constexpr binary MATROSKA_DVD_LEVEL_PTT = 0x10;
constexpr binary MATROSKA_DVD_LEVEL_CN = 0x08;
int16_t dvd_chapter_codec_c::GetTitleNumber() const
{
if ( p_private_data != nullptr && p_private_data->GetSize() > 3)
{
const binary* p_data = p_private_data->GetBuffer();
if ( p_data[ 0] == MATROSKA_DVD_LEVEL_SS )
{
return int16_t( (p_data[ 2] << 8) + p_data[ 3] );
}
}
return - 1;
}
bool dvd_chapter_codec_c::Enter()
{
return EnterLeaveHelper( "Matroska DVD enter command", enter_cmds, MATROSKA_CHAPPROCESS TIME_BEFORE );
}
bool dvd_chapter_codec_c::Leave()
{
return EnterLeaveHelper( "Matroska DVD leave command", leave_cmds, MATROSKA_CHAPPROCESSTIME_AFTER );
}
bool dvd_chapter_codec_c::EnterLeaveHelper( char const * str_diag, ChapterProcess & p_container, MatroskaChapterProcessTime process_time )
{
bool f_result = false;
ChapterProcess::iterator it = p_container.begin ();
while( it != p_container.end() )
{
if( (*it).GetSize() )
{
binary *p_data = (*it).GetBuffer();
size_t i_size = std::min<size_t>( *p_data++, ( (*it).GetSize() - 1 ) >> 3 ); // avoid reading too much
for( ; i_size > 0; i_size -=1, p_data += 8 )
{
vlc_debug( l, "%s", str_diag);
f_result |= intepretor.Interpret( process_time, p_data, 8 );
}
}
++it;
}
return f_result;
}
std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
{
std::string result;
if ( p_private_data && p_private_data->GetSize() >= 3)
{
const binary* p_data = p_private_data->GetBuffer();
/* if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
{
uint16_t i_title = (p_data[1] << 8) + p_data[2];
char psz_str[11];
sprintf( psz_str, " %d ---", i_title );
result = "--- DVD Title";
result += psz_str;
}
else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
{
char psz_str[11];
snprintf( psz_str, ARRAY_SIZE(psz_str), " (%c%c) ---", p_data[1], p_data[2] );
result = "--- DVD Menu";
result += psz_str;
}
else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
{
if ( p_data[1] == 0x00 )
result = "First Played";
else if ( p_data[1] == 0xC0 )
result = "Video Manager";
else if ( p_data[1] == 0x80 && p_private_data->GetSize() > 3)
{
uint16_t i_title = (p_data[2] << 8) + p_data[3];
char psz_str[20];
snprintf( psz_str, ARRAY_SIZE(psz_str), " %d -----", i_title );
result = "----- Title";
result += psz_str;
}
}
}
return result;
}
// see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
bool dvd_command_interpretor_c::Interpret( MatroskaChapterProcessTime, const binary * p_command, size_t i_size )
{
if ( i_size != 8 )
return false;
virtual_segment_c *p_vsegment = NULL;
virtual_chapter_c *p_vchapter = NULL;
bool f_result = false;
uint16_t i_command = ( p_command[0] << 8 ) + p_command[1];
// handle register tests if there are some
if ( (i_command & 0xF0) != 0 )
{
bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
bool b_test_value = (i_command & CMD_DVD_TEST_VALUE) != 0;
uint8_t i_test = i_command & 0x70;
uint16_t i_value;
// see http://dvd.sourceforge.net/dvdinfo/vmi.html
uint8_t i_cr1;
uint16_t i_cr2;
switch ( i_command >> 12 )
{
default:
i_cr1 = p_command[3];
i_cr2 = (p_command[4] << 8) + p_command[5];
break;
case 3:
case 4:
case 5:
i_cr1 = p_command[6];
i_cr2 = p_command[7];
b_test_value = false;
break;
case 6:
case 7:
if ( ((p_command[1] >> 4) & 0x7) == 0)
{
i_cr1 = p_command[4];
i_cr2 = (p_command[6] << 8) + p_command[7];
}
else
{
i_cr1 = p_command[5];
i_cr2 = (p_command[6] << 8) + p_command[7];
}
break;
}
if ( b_test_value )
i_value = i_cr2;
else
i_value = GetPRM( i_cr2 );
switch ( i_test )
{
case CMD_DVD_IF_GPREG_EQUAL:
// if equals
vlc_debug( l, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
if (!( GetPRM( i_cr1 ) == i_value ))
{
b_test_positive = false;
}
break;
case CMD_DVD_IF_GPREG_NOT_EQUAL:
// if not equals
vlc_debug( l, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
if (!( GetPRM( i_cr1 ) != i_value ))
{
b_test_positive = false;
}
break;
case CMD_DVD_IF_GPREG_INF:
// if inferior
vlc_debug( l, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
if (!( GetPRM( i_cr1 ) < i_value ))
{
b_test_positive = false;
}
break;
case CMD_DVD_IF_GPREG_INF_EQUAL:
// if inferior or equal
vlc_debug( l, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
if (!( GetPRM( i_cr1 ) <= i_value ))
{
b_test_positive = false;
}
break;
case CMD_DVD_IF_GPREG_AND:
// if logical and
vlc_debug( l, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
if (!( GetPRM( i_cr1 ) & i_value ))
{
b_test_positive = false;
}
break;
case CMD_DVD_IF_GPREG_SUP:
// if superior
vlc_debug( l, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
if (!( GetPRM( i_cr1 ) > i_value ))
{
b_test_positive = false;
}
break;
case CMD_DVD_IF_GPREG_SUP_EQUAL:
// if superior or equal
vlc_debug( l, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
if (!( GetPRM( i_cr1 ) >= i_value ))
{
b_test_positive = false;
}
break;
}
if ( !b_test_positive )
return false;
}
// strip the test command
i_command &= 0xFF0F;
switch ( i_command )
{
case CMD_DVD_NOP:
case CMD_DVD_NOP2:
{
vlc_debug( l, "NOP" );
break;
}
case CMD_DVD_BREAK:
{
vlc_debug( l, "Break" );
// TODO
break;
}
case CMD_DVD_JUMP_TT:
{
uint8_t i_title = p_command[5];
vlc_debug( l, "JumpTT %d", i_title );
// find in the ChapProcessPrivate matching this Title level
p_vchapter = vm.BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_title](const chapter_codec_cmds_c &data) {
return MatchTitleNumber(data, i_title);
}, p_vsegment );
if ( p_vsegment != NULL && p_vchapter != NULL )
{
/* enter via the First Cell */
uint8_t i_cell = 1;
p_vchapter = p_vchapter->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_cell](const chapter_codec_cmds_c &data) {
return MatchCellNumber( data, i_cell );
});
if ( p_vchapter != NULL )
{
vm.JumpTo( *p_vsegment, *p_vchapter );
f_result = true;
}
}
break;
}
case CMD_DVD_CALLSS_VTSM1:
{
vlc_debug( l, "CallSS" );
binary p_type;
switch( (p_command[6] & 0xC0) >> 6 ) {
case 0:
p_type = p_command[5] & 0x0F;
switch ( p_type )
{
case 0x00:
vlc_debug( l, "CallSS PGC (rsm_cell %x)", p_command[4]);
break;
case 0x02:
vlc_debug( l, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
break;
case 0x03:
vlc_debug( l, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
break;
case 0x04:
vlc_debug( l, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
break;
case 0x05:
vlc_debug( l, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
break;
case 0x06:
vlc_debug( l, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
break;
case 0x07:
vlc_debug( l, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
break;
default:
vlc_debug( l, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
break;
}
p_vchapter = vm.BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[p_type](const chapter_codec_cmds_c &data) {
return MatchPgcType( data, p_type );
}, p_vsegment );
if ( p_vsegment != NULL && p_vchapter != NULL )
{
/* enter via the first Cell */
uint8_t i_cell = 1;
p_vchapter = p_vchapter->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_cell](const chapter_codec_cmds_c &data) {
return MatchCellNumber( data, i_cell ); } );
if ( p_vchapter != NULL )
{
vm.JumpTo( *p_vsegment, *p_vchapter );
f_result = true;
}
}
break;
case 1:
vlc_debug( l, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
break;
case 2:
vlc_debug( l, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
break;
case 3:
vlc_debug( l, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
break;
}
break;
}
case CMD_DVD_JUMP_SS:
{
vlc_debug( l, "JumpSS");
binary p_type;
switch( (p_command[5] & 0xC0) >> 6 ) {
case 0:
vlc_debug( l, "JumpSS FP");
break;
case 1:
p_type = p_command[5] & 0x0F;
switch ( p_type )
{
case 0x02:
vlc_debug( l, "JumpSS VMGM Title Entry");
break;
case 0x03:
vlc_debug( l, "JumpSS VMGM Root Menu");
break;
case 0x04:
vlc_debug( l, "JumpSS VMGM Subpicture Menu");
break;
case 0x05:
vlc_debug( l, "JumpSS VMGM Audio Menu");
break;
case 0x06:
vlc_debug( l, "JumpSS VMGM Angle Menu");
break;
case 0x07:
vlc_debug( l, "JumpSS VMGM Chapter Menu");
break;
default:
vlc_debug( l, "JumpSS <unknown>");
break;
}
// find the VMG
p_vchapter = vm.BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[](const chapter_codec_cmds_c &data) {
return MatchIsVMG( data); }, p_vsegment );
if ( p_vsegment != NULL )
{
p_vchapter = p_vsegment->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[p_type](const chapter_codec_cmds_c &data) {
return MatchPgcType( data, p_type ); } );
if ( p_vchapter != NULL )
{
vm.JumpTo( *p_vsegment, *p_vchapter );
f_result = true;
}
}
break;
case 2:
p_type = p_command[5] & 0x0F;
switch ( p_type )
{
case 0x02:
vlc_debug( l, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
break;
case 0x03:
vlc_debug( l, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
break;
case 0x04:
vlc_debug( l, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
break;
case 0x05:
vlc_debug( l, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
break;
case 0x06:
vlc_debug( l, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
break;
case 0x07:
vlc_debug( l, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
break;
default:
vlc_debug( l, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
break;
}
{
uint8_t i_vts = p_command[4];
p_vchapter = vm.BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_vts](const chapter_codec_cmds_c &data) {
return MatchVTSMNumber( data, i_vts ); }, p_vsegment );
if ( p_vsegment != NULL && p_vchapter != NULL )
{
// find the title in the VTS
uint8_t i_title = p_command[3];
p_vchapter = p_vchapter->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_title](const chapter_codec_cmds_c &data) {
return MatchTitleNumber( data, i_title ); } );
if ( p_vchapter != NULL )
{
// find the specified menu in the VTSM
p_vchapter = p_vsegment->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[p_type](const chapter_codec_cmds_c &data) {
return MatchPgcType( data, p_type ); } );
if ( p_vchapter != NULL )
{
vm.JumpTo( *p_vsegment, *p_vchapter );
f_result = true;
}
}
else
vlc_debug( l, "Title (%d) does not exist in this VTS", i_title );
}
else
vlc_debug( l, "DVD Domain VTS (%d) not found", i_vts );
}
break;
case 3:
vlc_debug( l, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
break;
}
break;
}
case CMD_DVD_JUMPVTS_PTT:
{
uint8_t i_title = p_command[5];
uint8_t i_ptt = p_command[3];
vlc_debug( l, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
// find the current VTS content segment
p_vchapter = vm.GetCurrentVSegment()->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[](const chapter_codec_cmds_c &data) {
return MatchIsDomain( data); } );
if ( p_vchapter != NULL )
{
int16_t i_curr_title = ( p_vchapter->p_chapter )? p_vchapter->p_chapter->GetTitleNumber() : 0;
if ( i_curr_title > 0 )
{
p_vchapter = vm.BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_curr_title](const chapter_codec_cmds_c &data) {
return MatchVTSNumber( data, i_curr_title ); }, p_vsegment );
if ( p_vsegment != NULL && p_vchapter != NULL )
{
// find the title in the VTS
p_vchapter = p_vchapter->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_title](const chapter_codec_cmds_c &data) {
return MatchTitleNumber( data, i_title ); } );
if ( p_vchapter != NULL )
{
// find the chapter in the title
p_vchapter = p_vchapter->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_ptt](const chapter_codec_cmds_c &data) {
return MatchChapterNumber( data, i_ptt ); } );
if ( p_vchapter != NULL )
{
vm.JumpTo( *p_vsegment, *p_vchapter );
f_result = true;
}
}
else
vlc_debug( l, "Title (%d) does not exist in this VTS", i_title );
}
else
vlc_debug( l, "DVD Domain VTS (%d) not found", i_curr_title );
}
else
vlc_debug( l, "JumpVTS_PTT command found but not in a VTS(M)");
}
else
vlc_debug( l, "JumpVTS_PTT command but the DVD domain wasn't found");
break;
}
case CMD_DVD_SET_GPRMMD:
{
vlc_debug( l, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
vlc_debug( l, "Set GPRMMD failed" );
break;
}
case CMD_DVD_LINKPGCN:
{
uint16_t i_pgcn = (p_command[6] << 8) + p_command[7];
vlc_debug( l, "Link PGCN(%d)", i_pgcn );
p_vchapter = vm.GetCurrentVSegment()->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_pgcn](const chapter_codec_cmds_c &data) {
return MatchPgcNumber( data, i_pgcn ); } );
if ( p_vchapter != NULL )
{
vm.JumpTo( *vm.GetCurrentVSegment(), *p_vchapter );
f_result = true;
}
break;
}
case CMD_DVD_LINKCN:
{
uint8_t i_cn = p_command[7];
p_vchapter = vm.GetCurrentVSegment()->CurrentChapter();
vlc_debug( l, "LinkCN (cell %d)", i_cn );
p_vchapter = p_vchapter->BrowseCodecPrivate( MATROSKA_CHAPTER_CODEC_DVD,
[i_cn](const chapter_codec_cmds_c &data) {
return MatchCellNumber( data, i_cn ); } );
if ( p_vchapter != NULL )
{
vm.JumpTo( *vm.GetCurrentVSegment(), *p_vchapter );
f_result = true;
}
break;
}
case CMD_DVD_GOTO_LINE:
{
vlc_debug( l, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
// TODO
break;
}
case CMD_DVD_SET_HL_BTNN1:
{
vlc_debug( l, "SetHL_BTN (%d)", p_command[4] );
SetSPRM( 0x88, p_command[4] );
break;
}
default:
{
vlc_debug( l, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
,p_command[0]
,p_command[1]
,p_command[2]
,p_command[3]
,p_command[4]
,p_command[5]
,p_command[6]
,p_command[7]);
break;
}
}
return f_result;
}
bool dvd_command_interpretor_c::ProcessNavAction( uint16_t button )
{
const pci_t & pci = pci_packet;
if( button == 0 || button > pci.hli.hl_gi.btn_ns || button > ARRAY_SIZE(pci.hli.btnit) )
return false;
SetSPRM( 0x88, button );
const btni_t & button_ptr = pci.hli.btnit[button-1];
if ( button_ptr.auto_action_mode )
{
// process the button action
return Interpret( MATROSKA_CHAPPROCESSTIME_DURING, button_ptr.cmd.bytes, 8 );
}
return false;
}
bool dvd_command_interpretor_c::HandleKeyEvent( NavivationKey key )
{
const pci_t & pci = pci_packet;
uint16_t i_curr_button = GetSPRM( 0x88 );
if( i_curr_button == 0 || i_curr_button > pci.hli.hl_gi.btn_ns || i_curr_button > ARRAY_SIZE(pci.hli.btnit) )
return false;
const btni_t & button_ptr = pci.hli.btnit[i_curr_button-1];
switch( key )
{
case LEFT: return ProcessNavAction( button_ptr.left );
case RIGHT: return ProcessNavAction( button_ptr.right );
case UP: return ProcessNavAction( button_ptr.up );
case DOWN: return ProcessNavAction( button_ptr.down );
case OK:
// process the button action
return Interpret( MATROSKA_CHAPPROCESSTIME_DURING, button_ptr.cmd.bytes, 8 );
case MENU:
case POPUP:
return false;
}
vlc_assert_unreachable();
}
void dvd_command_interpretor_c::HandleMousePressed( unsigned x, unsigned y )
{
const pci_t & pci = pci_packet;
uint16_t best;
uint32_t dist,d;
int32_t mx,my,dx,dy;
// get current button
best = 0;
dist = std::numeric_limits<uint32_t>::max(); /* >> than (720*720)+(567*567); */
for(uint16_t button = 1; button <= std::min<uint16_t>(pci.hli.hl_gi.btn_ns, ARRAY_SIZE(pci.hli.btnit)); button++)
{
const btni_t & button_ptr = pci.hli.btnit[button-1];
if((x >= button_ptr.x_start)
&& (x <= button_ptr.x_end)
&& (y >= button_ptr.y_start)
&& (y <= button_ptr.y_end))
{
mx = (button_ptr.x_start + button_ptr.x_end)/2;
my = (button_ptr.y_start + button_ptr.y_end)/2;
dx = mx - x;
dy = my - y;
d = (dx*dx) + (dy*dy);
/* If the mouse is within the button and the mouse is closer
* to the center of this button then it is the best choice. */
if(d < dist) {
dist = d;
best = button;
}
}
}
if ( best == 0)
return;
const btni_t & button_ptr = pci.hli.btnit[best-1];
uint16_t i_curr_button = GetSPRM( 0x88 );
vlc_debug( l, "Clicked button %" PRIu16, best );
// process the button action
SetSPRM( 0x88, best );
Interpret( MATROSKA_CHAPPROCESSTIME_DURING, button_ptr.cmd.bytes, 8 );
vlc_debug( l, "Processed button %" PRIu16, best );
// select new button
if ( best != i_curr_button )
{
// TODO: make sure we do not overflow in the conversion
vlc_spu_highlight_t spu_hl = vlc_spu_highlight_t();
spu_hl.x_start = (int)button_ptr.x_start;
spu_hl.y_start = (int)button_ptr.y_start;
spu_hl.x_end = (int)button_ptr.x_end;
spu_hl.y_end = (int)button_ptr.y_end;
uint32_t i_palette;
if(button_ptr.btn_coln != 0) {
i_palette = pci.hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
} else {
i_palette = 0;
}
for( int i = 0; i < 4; i++ )
{
uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
spu_hl.palette.palette[i][0] = (i_yuv >> 16) & 0xff;
spu_hl.palette.palette[i][1] = (i_yuv >> 0) & 0xff;
spu_hl.palette.palette[i][2] = (i_yuv >> 8) & 0xff;
spu_hl.palette.palette[i][3] = i_alpha;
}
vm.SetHighlight( spu_hl );
}
}
bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data )
{
return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
}
bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data )
{
if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
return false;
return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
}
bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, uint16_t i_title )
{
if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
return false;
if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
return false;
uint16_t i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
return (i_gtitle == i_title);
}
bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, uint8_t i_title )
{
if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
return false;
if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
return false;
uint8_t i_gtitle = data.p_private_data->GetBuffer()[3];
return (i_gtitle == i_title);
}
bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, uint8_t i_title )
{
if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
return false;
if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
return false;
uint16_t i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
return (i_gtitle == i_title);
}
bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, uint8_t i_pgc )
{
if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
return false;
if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
return false;
uint8_t i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
return (i_pgc_type == i_pgc);
}
bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, uint16_t i_pgc_n )
{
if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
return false;
if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
return false;
uint16_t i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
return (i_pgc_num == i_pgc_n);
}
bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, uint8_t i_ptt )
{
if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
return false;
if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
return false;
uint8_t i_chapter = data.p_private_data->GetBuffer()[1];
return (i_chapter == i_ptt);
}
bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, uint8_t i_cell_n )
{
if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
return false;
if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
return false;
uint8_t i_cell_num = data.p_private_data->GetBuffer()[3];
return (i_cell_num == i_cell_n);
}
void dvd_command_interpretor_c::SetPci(const uint8_t *data, unsigned size)
{
if (size < PCI_RAW_SIZE)
return;
bs_t bs;
bs_init(&bs, data, size);
pci_packet.pci_gi.nv_pck_lbn = bs_read(&bs, 32);
pci_packet.pci_gi.vobu_cat = bs_read(&bs, 16);
bs_skip(&bs, 16);
bs_skip(&bs, 7);
pci_packet.pci_gi.vobu_uop_ctl.video_pres_mode_change = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.karaoke_audio_pres_mode_change = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.angle_change = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.subpic_stream_change = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.audio_stream_change = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.pause_on = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.still_off = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.button_select_or_activate = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.resume = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.chapter_menu_call = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.angle_menu_call = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.audio_menu_call = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.subpic_menu_call = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.root_menu_call = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.title_menu_call = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.backward_scan = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.forward_scan = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.next_pg_search = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.prev_or_top_pg_search = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.time_or_chapter_search = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.go_up = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.stop = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.title_play = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.chapter_search_or_play = bs_read1(&bs);
pci_packet.pci_gi.vobu_uop_ctl.title_or_time_play = bs_read1(&bs);
pci_packet.pci_gi.vobu_s_ptm = bs_read(&bs, 32);
pci_packet.pci_gi.vobu_e_ptm = bs_read(&bs, 32);
pci_packet.pci_gi.vobu_se_e_ptm = bs_read(&bs, 32);
pci_packet.pci_gi.e_eltm.hour = bs_read(&bs, 8);
pci_packet.pci_gi.e_eltm.minute = bs_read(&bs, 8);
pci_packet.pci_gi.e_eltm.second = bs_read(&bs, 8);
pci_packet.pci_gi.e_eltm.frame_u = bs_read(&bs, 8);
// FIXME read buffer in one pass using bs_t
for (size_t i = 0; i < ARRAY_SIZE(pci_packet.pci_gi.vobu_isrc); i++)
pci_packet.pci_gi.vobu_isrc[i] = bs_read(&bs, 8);
for (size_t i = 0; i < ARRAY_SIZE(pci_packet.nsml_agli.nsml_agl_dsta); i++)
pci_packet.nsml_agli.nsml_agl_dsta[i] = bs_read(&bs, 32);
pci_packet.hli.hl_gi.hli_ss = bs_read(&bs, 16);
pci_packet.hli.hl_gi.hli_s_ptm = bs_read(&bs, 32);
pci_packet.hli.hl_gi.hli_e_ptm = bs_read(&bs, 32);
pci_packet.hli.hl_gi.btn_se_e_ptm = bs_read(&bs, 32);
bs_skip(&bs, 2);
pci_packet.hli.hl_gi.btngr_ns = bs_read(&bs, 2);
bs_skip(&bs, 1);
pci_packet.hli.hl_gi.btngr1_dsp_ty = bs_read(&bs, 3);
bs_skip(&bs, 1);
pci_packet.hli.hl_gi.btngr2_dsp_ty = bs_read(&bs, 3);
bs_skip(&bs, 1);
pci_packet.hli.hl_gi.btngr3_dsp_ty = bs_read(&bs, 3);
pci_packet.hli.hl_gi.btn_ofn = bs_read(&bs, 8);
pci_packet.hli.hl_gi.btn_ns = bs_read(&bs, 8);
pci_packet.hli.hl_gi.nsl_btn_ns = bs_read(&bs, 8);
bs_skip(&bs, 8);
pci_packet.hli.hl_gi.fosl_btnn = bs_read(&bs, 8);
pci_packet.hli.hl_gi.foac_btnn = bs_read(&bs, 8);
for (size_t i = 0; i < 3; i++)
for (size_t j = 0; j < 2; j++)
pci_packet.hli.btn_colit.btn_coli[i][j] = bs_read(&bs, 32 );
for (size_t i = 0; i < ARRAY_SIZE(pci_packet.hli.btnit); i++)
{
auto & btn = pci_packet.hli.btnit[i];
btn.btn_coln = bs_read(&bs, 2);
btn.x_start = bs_read(&bs, 10);
bs_skip(&bs, 2);
btn.x_end = bs_read(&bs, 10);
btn.auto_action_mode = bs_read(&bs, 2);
btn.y_start = bs_read(&bs, 10);
bs_skip(&bs, 2);
btn.y_end = bs_read(&bs, 10);
bs_skip(&bs, 2);
btn.up = bs_read(&bs, 6);
bs_skip(&bs, 2);
btn.down = bs_read(&bs, 6);
bs_skip(&bs, 2);
btn.left = bs_read(&bs, 6);
bs_skip(&bs, 2);
btn.right = bs_read(&bs, 6);
// FIXME read buffer in one pass using bs_t
for (size_t i = 0; i < ARRAY_SIZE(btn.cmd.bytes); i++)
btn.cmd.bytes[i] = bs_read(&bs, 8);
}
bs_skip(&bs, 8*189);
assert(!bs_error(&bs));
}
} // namespace
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*© Formatika GbR, Deutschland
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