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/*
* Copyright (C) 2000 Rich Wareham <richwareham@users.sourceforge.net>
*
* This file is part of libdvdnav, a DVD navigation library.
*
* libdvdnav 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.
*
* libdvdnav 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 libdvdnav; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <string.h>
#include <sys/time.h>
#include <dvdread/nav_types.h>
#include "dvd_types.h"
#include "remap.h"
#include "vm/decoder.h"
#include "vm/vm.h"
#include "vm/vmcmd.h"
#include "dvdnav_internal.h"
#include "dvdnav.h"
/*
#define BUTTON_TESTING
*/
#ifdef BUTTON_TESTING
#include "nav_print.h"
static void print_time(dvd_time_t *dtime) {
const char *rate;
assert((dtime->hour>>4) < 0xa && (dtime->hour&0xf) < 0xa);
assert((dtime->minute>>4) < 0x7 && (dtime->minute&0xf) < 0xa);
assert((dtime->second>>4) < 0x7 && (dtime->second&0xf) < 0xa);
assert((dtime->frame_u&0xf) < 0xa);
fprintf(MSG_OUT,"%02x:%02x:%02x.%02x",
dtime->hour,
dtime->minute,
dtime->second,
dtime->frame_u & 0x3f);
switch((dtime->frame_u & 0xc0) >> 6) {
case 1:
rate = "25.00";
break;
case 3:
rate = "29.97";
break;
default:
rate = "(please send a bug report)";
break;
}
fprintf(MSG_OUT," @ %s fps", rate);
}
static void nav_print_PCI_GI(pci_gi_t *pci_gi) {
int32_t i;
fprintf(MSG_OUT,"libdvdnav: pci_gi:\n");
fprintf(MSG_OUT,"libdvdnav: nv_pck_lbn 0x%08x\n", pci_gi->nv_pck_lbn);
fprintf(MSG_OUT,"libdvdnav: vobu_cat 0x%04x\n", pci_gi->vobu_cat);
fprintf(MSG_OUT,"libdvdnav: vobu_uop_ctl 0x%08x\n", *(uint32_t*)&pci_gi->vobu_uop_ctl);
fprintf(MSG_OUT,"libdvdnav: vobu_s_ptm 0x%08x\n", pci_gi->vobu_s_ptm);
fprintf(MSG_OUT,"libdvdnav: vobu_e_ptm 0x%08x\n", pci_gi->vobu_e_ptm);
fprintf(MSG_OUT,"libdvdnav: vobu_se_e_ptm 0x%08x\n", pci_gi->vobu_se_e_ptm);
fprintf(MSG_OUT,"libdvdnav: e_eltm ");
print_time(&pci_gi->e_eltm);
fprintf(MSG_OUT,"\n");
fprintf(MSG_OUT,"libdvdnav: vobu_isrc \"");
for(i = 0; i < 32; i++) {
char c = pci_gi->vobu_isrc[i];
if((c >= ' ') && (c <= '~'))
fprintf(MSG_OUT,"%c", c);
else
fprintf(MSG_OUT,".");
}
fprintf(MSG_OUT,"\"\n");
}
static void nav_print_NSML_AGLI(nsml_agli_t *nsml_agli) {
int32_t i, j = 0;
for(i = 0; i < 9; i++)
j |= nsml_agli->nsml_agl_dsta[i];
if(j == 0)
return;
fprintf(MSG_OUT,"libdvdnav: nsml_agli:\n");
for(i = 0; i < 9; i++)
if(nsml_agli->nsml_agl_dsta[i])
fprintf(MSG_OUT,"libdvdnav: nsml_agl_c%d_dsta 0x%08x\n", i + 1,
nsml_agli->nsml_agl_dsta[i]);
}
static void nav_print_HL_GI(hl_gi_t *hl_gi, int32_t *btngr_ns, int32_t *btn_ns) {
if((hl_gi->hli_ss & 0x03) == 0)
return;
fprintf(MSG_OUT,"libdvdnav: hl_gi:\n");
fprintf(MSG_OUT,"libdvdnav: hli_ss 0x%01x\n", hl_gi->hli_ss & 0x03);
fprintf(MSG_OUT,"libdvdnav: hli_s_ptm 0x%08x\n", hl_gi->hli_s_ptm);
fprintf(MSG_OUT,"libdvdnav: hli_e_ptm 0x%08x\n", hl_gi->hli_e_ptm);
fprintf(MSG_OUT,"libdvdnav: btn_se_e_ptm 0x%08x\n", hl_gi->btn_se_e_ptm);
*btngr_ns = hl_gi->btngr_ns;
fprintf(MSG_OUT,"libdvdnav: btngr_ns %d\n", hl_gi->btngr_ns);
fprintf(MSG_OUT,"libdvdnav: btngr%d_dsp_ty 0x%02x\n", 1, hl_gi->btngr1_dsp_ty);
fprintf(MSG_OUT,"libdvdnav: btngr%d_dsp_ty 0x%02x\n", 2, hl_gi->btngr2_dsp_ty);
fprintf(MSG_OUT,"libdvdnav: btngr%d_dsp_ty 0x%02x\n", 3, hl_gi->btngr3_dsp_ty);
fprintf(MSG_OUT,"libdvdnav: btn_ofn %d\n", hl_gi->btn_ofn);
*btn_ns = hl_gi->btn_ns;
fprintf(MSG_OUT,"libdvdnav: btn_ns %d\n", hl_gi->btn_ns);
fprintf(MSG_OUT,"libdvdnav: nsl_btn_ns %d\n", hl_gi->nsl_btn_ns);
fprintf(MSG_OUT,"libdvdnav: fosl_btnn %d\n", hl_gi->fosl_btnn);
fprintf(MSG_OUT,"libdvdnav: foac_btnn %d\n", hl_gi->foac_btnn);
}
static void nav_print_BTN_COLIT(btn_colit_t *btn_colit) {
int32_t i, j;
j = 0;
for(i = 0; i < 6; i++)
j |= btn_colit->btn_coli[i/2][i&1];
if(j == 0)
return;
fprintf(MSG_OUT,"libdvdnav: btn_colit:\n");
for(i = 0; i < 3; i++)
for(j = 0; j < 2; j++)
fprintf(MSG_OUT,"libdvdnav: btn_cqoli %d %s_coli: %08x\n",
i, (j == 0) ? "sl" : "ac",
btn_colit->btn_coli[i][j]);
}
static void nav_print_BTNIT(btni_t *btni_table, int32_t btngr_ns, int32_t btn_ns) {
int32_t i, j, k;
fprintf(MSG_OUT,"libdvdnav: btnit:\n");
fprintf(MSG_OUT,"libdvdnav: btngr_ns: %i\n", btngr_ns);
fprintf(MSG_OUT,"libdvdnav: btn_ns: %i\n", btn_ns);
if(btngr_ns == 0)
return;
for(i = 0; i < btngr_ns; i++) {
for(j = 0; j < (36 / btngr_ns); j++) {
if(j < btn_ns) {
btni_t *btni = &btni_table[(36 / btngr_ns) * i + j];
fprintf(MSG_OUT,"libdvdnav: group %d btni %d: ", i+1, j+1);
fprintf(MSG_OUT,"btn_coln %d, auto_action_mode %d\n",
btni->btn_coln, btni->auto_action_mode);
fprintf(MSG_OUT,"libdvdnav: coords (%d, %d) .. (%d, %d)\n",
btni->x_start, btni->y_start, btni->x_end, btni->y_end);
fprintf(MSG_OUT,"libdvdnav: up %d, ", btni->up);
fprintf(MSG_OUT,"down %d, ", btni->down);
fprintf(MSG_OUT,"left %d, ", btni->left);
fprintf(MSG_OUT,"right %d\n", btni->right);
for(k = 0; k < 8; k++) {
fprintf(MSG_OUT, "libdvdnav: %02x ", btni->cmd.bytes[k]);
}
fprintf(MSG_OUT, "| ");
#ifdef TRACE
vm_print_mnemonic(&btni->cmd);
#endif
fprintf(MSG_OUT, "\n");
}
}
}
}
static void nav_print_HLI(hli_t *hli) {
int32_t btngr_ns = 0, btn_ns = 0;
fprintf(MSG_OUT,"libdvdnav: hli:\n");
nav_print_HL_GI(&hli->hl_gi, & btngr_ns, & btn_ns);
nav_print_BTN_COLIT(&hli->btn_colit);
nav_print_BTNIT(hli->btnit, btngr_ns, btn_ns);
}
void nav_print_PCI(pci_t *pci) {
fprintf(MSG_OUT,"libdvdnav: pci packet:\n");
nav_print_PCI_GI(&pci->pci_gi);
nav_print_NSML_AGLI(&pci->nsml_agli);
nav_print_HLI(&pci->hli);
}
#endif
/* Highlighting API calls */
dvdnav_status_t dvdnav_get_current_highlight(dvdnav_t *this, int32_t *button) {
/* Simply return the appropriate value based on the SPRM */
if(((*button) = this->position_current.button) == -1)
(*button) = this->vm->state.HL_BTNN_REG >> 10;
return DVDNAV_STATUS_OK;
}
static btni_t *get_current_button(dvdnav_t *this, pci_t *pci) {
int32_t button = 0;
if(!pci->hli.hl_gi.hli_ss) {
printerr("Not in a menu.");
return NULL;
}
if(this->last_cmd_nav_lbn == pci->pci_gi.nv_pck_lbn) {
printerr("This NAV has already been left.");
return NULL;
}
button = this->vm->state.HL_BTNN_REG >> 10;
#ifdef BUTTON_TESTING
nav_print_PCI(pci);
#endif
return &(pci->hli.btnit[button-1]);
}
static dvdnav_status_t button_auto_action(dvdnav_t *this, pci_t *pci) {
if (get_current_button(this, pci)->auto_action_mode)
return dvdnav_button_activate(this, pci);
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_upper_button_select(dvdnav_t *this, pci_t *pci) {
btni_t *button_ptr;
if(!(button_ptr = get_current_button(this, pci)))
return DVDNAV_STATUS_ERR;
dvdnav_button_select(this, pci, button_ptr->up);
return button_auto_action(this, pci);
}
dvdnav_status_t dvdnav_lower_button_select(dvdnav_t *this, pci_t *pci) {
btni_t *button_ptr;
if(!(button_ptr = get_current_button(this, pci)))
return DVDNAV_STATUS_ERR;
dvdnav_button_select(this, pci, button_ptr->down);
return button_auto_action(this, pci);
}
dvdnav_status_t dvdnav_right_button_select(dvdnav_t *this, pci_t *pci) {
btni_t *button_ptr;
if(!(button_ptr = get_current_button(this, pci)))
return DVDNAV_STATUS_ERR;
dvdnav_button_select(this, pci, button_ptr->right);
return button_auto_action(this, pci);
}
dvdnav_status_t dvdnav_left_button_select(dvdnav_t *this, pci_t *pci) {
btni_t *button_ptr;
if(!(button_ptr = get_current_button(this, pci)))
return DVDNAV_STATUS_ERR;
dvdnav_button_select(this, pci, button_ptr->left);
return button_auto_action(this, pci);
}
dvdnav_status_t dvdnav_get_highlight_area(pci_t *nav_pci , int32_t button, int32_t mode,
dvdnav_highlight_area_t *highlight) {
btni_t *button_ptr;
#ifdef BUTTON_TESTING
fprintf(MSG_OUT, "libdvdnav: Button get_highlight_area %i\n", button);
#endif
if(!nav_pci->hli.hl_gi.hli_ss)
return DVDNAV_STATUS_ERR;
if((button <= 0) || (button > nav_pci->hli.hl_gi.btn_ns))
return DVDNAV_STATUS_ERR;
button_ptr = &nav_pci->hli.btnit[button-1];
highlight->sx = button_ptr->x_start;
highlight->sy = button_ptr->y_start;
highlight->ex = button_ptr->x_end;
highlight->ey = button_ptr->y_end;
if(button_ptr->btn_coln != 0) {
highlight->palette = nav_pci->hli.btn_colit.btn_coli[button_ptr->btn_coln-1][mode];
} else {
highlight->palette = 0;
}
highlight->pts = nav_pci->hli.hl_gi.hli_s_ptm;
highlight->buttonN = button;
#ifdef BUTTON_TESTING
fprintf(MSG_OUT, "libdvdnav: highlight: Highlight area is (%u,%u)-(%u,%u), display = %i, button = %u\n",
button_ptr->x_start, button_ptr->y_start,
button_ptr->x_end, button_ptr->y_end,
1,
button);
#endif
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_button_activate(dvdnav_t *this, pci_t *pci) {
int32_t button;
btni_t *button_ptr = NULL;
if(!pci->hli.hl_gi.hli_ss) {
printerr("Not in a menu.");
return DVDNAV_STATUS_ERR;
}
if(this->last_cmd_nav_lbn == pci->pci_gi.nv_pck_lbn) {
printerr("This NAV has already been left.");
return DVDNAV_STATUS_ERR;
}
pthread_mutex_lock(&this->vm_lock);
button = this->vm->state.HL_BTNN_REG >> 10;
if((button <= 0) || (button > pci->hli.hl_gi.btn_ns)) {
/* Special code to handle still menus with no buttons.
* The navigation is expected to report to the application that a STILL is
* underway. In turn, the application is supposed to report to the user
* that the playback is paused. The user is then expected to undo the pause,
* ie: hit play. At that point, the navigation should release the still and
* go to the next Cell.
* Explanation by Mathieu Lacage <mathieu_lacage@realmagic.fr>
* Code added by jcdutton.
*/
if (this->position_current.still != 0) {
/* In still, but no buttons. */
vm_get_next_cell(this->vm);
this->position_current.still = 0;
this->sync_wait = 0;
this->last_cmd_nav_lbn = pci->pci_gi.nv_pck_lbn;
pthread_mutex_unlock(&this->vm_lock);
/* clear error message */
printerr("");
return DVDNAV_STATUS_OK;
}
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
button_ptr = get_current_button(this, pci);
/* Finally, make the VM execute the appropriate code and probably
* scedule a jump */
#ifdef BUTTON_TESTING
fprintf(MSG_OUT, "libdvdnav: Evaluating Button Activation commands.\n");
#endif
if(vm_exec_cmd(this->vm, &(button_ptr->cmd)) == 1) {
/* Command caused a jump */
this->vm->hop_channel++;
this->position_current.still = 0;
this->last_cmd_nav_lbn = pci->pci_gi.nv_pck_lbn;
}
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_button_activate_cmd(dvdnav_t *this, int32_t button, vm_cmd_t *cmd)
{
pthread_mutex_lock(&this->vm_lock);
/* make the VM execute the appropriate code and probably
* schedule a jump */
#ifdef BUTTON_TESTING
fprintf(MSG_OUT, "libdvdnav: dvdnav_button_activate_cmd: Evaluating Button Activation commands.\n");
#endif
if(button > 0) {
this->vm->state.HL_BTNN_REG = (button << 10);
if(vm_exec_cmd(this->vm, cmd) == 1) {
/* Command caused a jump */
this->vm->hop_channel++;
}
}
/* Always remove still, because some still menus have no buttons. */
this->position_current.still = 0;
this->sync_wait = 0;
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_button_select(dvdnav_t *this, pci_t *pci, int32_t button) {
if(!pci->hli.hl_gi.hli_ss) {
printerr("Not in a menu.");
return DVDNAV_STATUS_ERR;
}
if(this->last_cmd_nav_lbn == pci->pci_gi.nv_pck_lbn) {
printerr("This NAV has already been left.");
return DVDNAV_STATUS_ERR;
}
#ifdef BUTTON_TESTING
fprintf(MSG_OUT, "libdvdnav: Button select %i\n", button);
#endif
if((button <= 0) || (button > pci->hli.hl_gi.btn_ns)) {
printerr("Button does not exist.");
return DVDNAV_STATUS_ERR;
}
this->vm->state.HL_BTNN_REG = (button << 10);
this->position_current.button = -1; /* Force Highligh change */
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_button_select_and_activate(dvdnav_t *this, pci_t *pci,
int32_t button) {
/* A trivial function */
if(dvdnav_button_select(this, pci, button) != DVDNAV_STATUS_ERR)
return dvdnav_button_activate(this, pci);
return DVDNAV_STATUS_ERR;
}
dvdnav_status_t dvdnav_mouse_select(dvdnav_t *this, pci_t *pci, int32_t x, int32_t y) {
int32_t button, cur_button;
int32_t best,dist,d;
int32_t mx,my,dx,dy;
if(!pci->hli.hl_gi.hli_ss) {
printerr("Not in a menu.");
return DVDNAV_STATUS_ERR;
}
if(this->last_cmd_nav_lbn == pci->pci_gi.nv_pck_lbn) {
printerr("This NAV has already been left.");
return DVDNAV_STATUS_ERR;
}
cur_button = this->vm->state.HL_BTNN_REG >> 10;
best = 0;
dist = 0x08000000; /* >> than (720*720)+(567*567); */
/* Loop through all buttons */
for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++) {
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;
}
}
}
/* As an efficiency measure, only re-select the button
* if it is different to the previously selected one. */
if (best != 0 && best != cur_button)
dvdnav_button_select(this, pci, best);
/* return DVDNAV_STATUS_OK only if we actually found a matching button */
return best ? DVDNAV_STATUS_OK : DVDNAV_STATUS_ERR;
}
dvdnav_status_t dvdnav_mouse_activate(dvdnav_t *this, pci_t *pci, int32_t x, int32_t y) {
/* A trivial function */
if(dvdnav_mouse_select(this, pci, x,y) != DVDNAV_STATUS_ERR)
return dvdnav_button_activate(this, pci);
return DVDNAV_STATUS_ERR;
}