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-rw-r--r--libdvdnav-embedded/src/navigation.c300
1 files changed, 300 insertions, 0 deletions
diff --git a/libdvdnav-embedded/src/navigation.c b/libdvdnav-embedded/src/navigation.c
new file mode 100644
index 0000000..ba61102
--- /dev/null
+++ b/libdvdnav-embedded/src/navigation.c
@@ -0,0 +1,300 @@
+/*
+ * 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 <inttypes.h>
+#include <limits.h>
+#include <string.h>
+#include <sys/time.h>
+#include "dvdnav/dvdnav.h"
+#include <dvdread/nav_types.h>
+#include "vm/decoder.h"
+#include "vm/vm.h"
+#include "dvdnav_internal.h"
+
+/* Navigation API calls */
+
+dvdnav_status_t dvdnav_still_skip(dvdnav_t *this) {
+ pthread_mutex_lock(&this->vm_lock);
+ this->position_current.still = 0;
+ pthread_mutex_unlock(&this->vm_lock);
+ this->skip_still = 1;
+ this->sync_wait = 0;
+ this->sync_wait_skip = 1;
+
+ return DVDNAV_STATUS_OK;
+}
+
+dvdnav_status_t dvdnav_wait_skip(dvdnav_t *this) {
+ this->sync_wait = 0;
+ this->sync_wait_skip = 1;
+
+ return DVDNAV_STATUS_OK;
+}
+
+dvdnav_status_t dvdnav_get_number_of_titles(dvdnav_t *this, int32_t *titles) {
+ if (!this->vm->vmgi) {
+ printerr("Bad VM state.");
+ return DVDNAV_STATUS_ERR;
+ }
+
+ (*titles) = vm_get_vmgi(this->vm)->tt_srpt->nr_of_srpts;
+
+ return DVDNAV_STATUS_OK;
+}
+
+static dvdnav_status_t get_title_by_number(dvdnav_t *this, int32_t title,
+ const title_info_t **pp_title)
+{
+ int32_t titlescount;
+ dvdnav_status_t status = dvdnav_get_number_of_titles(this, &titlescount);
+ if(status == DVDNAV_STATUS_OK)
+ {
+ if ((title < 1) || (title > titlescount)) {
+ printerr("Passed a title number out of range.");
+ status = DVDNAV_STATUS_ERR;
+ }
+ else {
+ *pp_title = &vm_get_vmgi(this->vm)->tt_srpt->title[title-1];
+ }
+ }
+ return status;
+}
+
+dvdnav_status_t dvdnav_get_number_of_parts(dvdnav_t *this, int32_t title, int32_t *parts) {
+ const title_info_t *info;
+ dvdnav_status_t status = get_title_by_number(this, title, &info);
+ if(status == DVDNAV_STATUS_OK)
+ (*parts) = info->nr_of_ptts;
+ return status;
+}
+
+dvdnav_status_t dvdnav_get_number_of_angles(dvdnav_t *this, int32_t title, int32_t *angles) {
+ const title_info_t *info;
+ dvdnav_status_t status = get_title_by_number(this, title, &info);
+ if(status == DVDNAV_STATUS_OK)
+ (*angles) = info->nr_of_angles;
+ return status;
+}
+
+dvdnav_status_t dvdnav_current_title_info(dvdnav_t *this, int32_t *title, int32_t *part) {
+ int32_t retval;
+
+ pthread_mutex_lock(&this->vm_lock);
+ if (!this->vm->vtsi || !this->vm->vmgi) {
+ printerr("Bad VM state.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if (!this->started) {
+ printerr("Virtual DVD machine not started.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if (!this->vm->state.pgc) {
+ printerr("No current PGC.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if ( (this->vm->state.domain == DVD_DOMAIN_VTSMenu)
+ || (this->vm->state.domain == DVD_DOMAIN_VMGM) ) {
+ /* Get current Menu ID: into *part. */
+ if(! vm_get_current_menu(this->vm, part)) {
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if (*part > -1) {
+ *title = 0;
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_OK;
+ }
+ }
+ if (this->vm->state.domain == DVD_DOMAIN_VTSTitle) {
+ retval = vm_get_current_title_part(this->vm, title, part);
+ pthread_mutex_unlock(&this->vm_lock);
+ return retval ? DVDNAV_STATUS_OK : DVDNAV_STATUS_ERR;
+ }
+ printerr("Not in a title or menu.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+}
+
+dvdnav_status_t dvdnav_current_title_program(dvdnav_t *this, int32_t *title, int32_t *pgcn, int32_t *pgn) {
+ int32_t retval;
+ int32_t part;
+
+ pthread_mutex_lock(&this->vm_lock);
+ if (!this->vm->vtsi || !this->vm->vmgi) {
+ printerr("Bad VM state.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if (!this->started) {
+ printerr("Virtual DVD machine not started.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if (!this->vm->state.pgc) {
+ printerr("No current PGC.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if ( (this->vm->state.domain == DVD_DOMAIN_VTSMenu)
+ || (this->vm->state.domain == DVD_DOMAIN_VMGM) ) {
+ /* Get current Menu ID: into *part. */
+ if(! vm_get_current_menu(this->vm, &part)) {
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if (part > -1) {
+ *title = 0;
+ *pgcn = this->vm->state.pgcN;
+ *pgn = this->vm->state.pgN;
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_OK;
+ }
+ }
+ if (this->vm->state.domain == DVD_DOMAIN_VTSTitle) {
+ retval = vm_get_current_title_part(this->vm, title, &part);
+ *pgcn = this->vm->state.pgcN;
+ *pgn = this->vm->state.pgN;
+ pthread_mutex_unlock(&this->vm_lock);
+ return retval ? DVDNAV_STATUS_OK : DVDNAV_STATUS_ERR;
+ }
+ printerr("Not in a title or menu.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+}
+
+dvdnav_status_t dvdnav_title_play(dvdnav_t *this, int32_t title) {
+ return dvdnav_part_play(this, title, 1);
+}
+
+dvdnav_status_t dvdnav_program_play(dvdnav_t *this, int32_t title, int32_t pgcn, int32_t pgn) {
+ int32_t retval;
+
+ pthread_mutex_lock(&this->vm_lock);
+ if (!this->vm->vmgi) {
+ printerr("Bad VM state.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if (!this->started) {
+ /* don't report an error but be nice */
+ vm_start(this->vm);
+ this->started = 1;
+ }
+ if (!this->vm->state.pgc) {
+ printerr("No current PGC.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if((title < 1) || (title > this->vm->vmgi->tt_srpt->nr_of_srpts)) {
+ printerr("Title out of range.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+
+ retval = vm_jump_title_program(this->vm, title, pgcn, pgn);
+ if (retval)
+ this->vm->hop_channel++;
+ pthread_mutex_unlock(&this->vm_lock);
+
+ return retval ? DVDNAV_STATUS_OK : DVDNAV_STATUS_ERR;
+}
+
+dvdnav_status_t dvdnav_part_play(dvdnav_t *this, int32_t title, int32_t part) {
+ int32_t retval;
+
+ pthread_mutex_lock(&this->vm_lock);
+ if (!this->vm->vmgi) {
+ printerr("Bad VM state.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if (!this->started) {
+ /* don't report an error but be nice */
+ vm_start(this->vm);
+ this->started = 1;
+ }
+ if (!this->vm->state.pgc) {
+ printerr("No current PGC.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if((title < 1) || (title > this->vm->vmgi->tt_srpt->nr_of_srpts)) {
+ printerr("Title out of range.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+ if((part < 1) || (part > this->vm->vmgi->tt_srpt->title[title-1].nr_of_ptts)) {
+ printerr("Part out of range.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+
+ retval = vm_jump_title_part(this->vm, title, part);
+ if (retval)
+ this->vm->hop_channel++;
+ pthread_mutex_unlock(&this->vm_lock);
+
+ return retval ? DVDNAV_STATUS_OK : DVDNAV_STATUS_ERR;
+}
+
+dvdnav_status_t dvdnav_part_play_auto_stop(dvdnav_t *this, int32_t title,
+ int32_t part, int32_t parts_to_play) {
+ /* FIXME: Implement auto-stop */
+ if (dvdnav_part_play(this, title, part) == DVDNAV_STATUS_OK)
+ printerr("Not implemented yet.");
+ return DVDNAV_STATUS_ERR;
+}
+
+dvdnav_status_t dvdnav_time_play(dvdnav_t *this, int32_t title,
+ uint64_t time) {
+ /* FIXME: Implement */
+ printerr("Not implemented yet.");
+ return DVDNAV_STATUS_ERR;
+}
+
+dvdnav_status_t dvdnav_stop(dvdnav_t *this) {
+ pthread_mutex_lock(&this->vm_lock);
+ this->vm->stopped = 1;
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_OK;
+}
+
+dvdnav_status_t dvdnav_go_up(dvdnav_t *this) {
+ /* A nice easy function... delegate to the VM */
+ int retval;
+ pthread_mutex_lock(&this->vm_lock);
+ if (!this->vm->state.pgc) {
+ printerr("No current PGC.");
+ pthread_mutex_unlock(&this->vm_lock);
+ return DVDNAV_STATUS_ERR;
+ }
+
+ retval = vm_jump_up(this->vm);
+ pthread_mutex_unlock(&this->vm_lock);
+
+ return retval ? DVDNAV_STATUS_OK : DVDNAV_STATUS_ERR;
+}
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