diff options
Diffstat (limited to 'libdvdnav-embedded/src/dvdnav.c')
| -rw-r--r-- | libdvdnav-embedded/src/dvdnav.c | 1470 |
1 files changed, 1470 insertions, 0 deletions
diff --git a/libdvdnav-embedded/src/dvdnav.c b/libdvdnav-embedded/src/dvdnav.c new file mode 100644 index 0000000..4ef7d1a --- /dev/null +++ b/libdvdnav-embedded/src/dvdnav.c @@ -0,0 +1,1470 @@ +/* + * 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 + +/* Un-comment the following to enable additional Log3() function calls. + * Do not forget to #define TRACE in src/vm/vm.h (required) */ +/* +#define LOG_DEBUG +*/ + +#include <inttypes.h> +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <limits.h> +#include <string.h> +#include <sys/time.h> +#include "dvdnav/dvdnav.h" +#include <dvdread/dvd_reader.h> +#include <dvdread/nav_types.h> +#include "vm/decoder.h" +#include "vm/vm.h" +#include "vm/getset.h" +#include "dvdnav_internal.h" +#include "logger.h" +#include "read_cache.h" +#include <dvdread/nav_read.h> + +static dvdnav_status_t dvdnav_clear(dvdnav_t * this) { + /* clear everything except file, vm, mutex, readahead */ + + pthread_mutex_lock(&this->vm_lock); + if (this->file) DVDCloseFile(this->file); + this->file = NULL; + + memset(&this->position_current,0,sizeof(this->position_current)); + memset(&this->pci,0,sizeof(this->pci)); + memset(&this->dsi,0,sizeof(this->dsi)); + this->last_cmd_nav_lbn = SRI_END_OF_CELL; + + /* Set initial values of flags */ + this->skip_still = 0; + this->sync_wait = 0; + this->sync_wait_skip = 0; + this->spu_clut_changed = 0; + this->started = 0; + this->cur_cell_time = 0; + + dvdnav_read_cache_clear(this->cache); + pthread_mutex_unlock(&this->vm_lock); + + return DVDNAV_STATUS_OK; +} + +dvdnav_status_t dvdnav_dup(dvdnav_t **dest, dvdnav_t *src) { + dvdnav_t *this; + + (*dest) = NULL; + this = (dvdnav_t*)malloc(sizeof(dvdnav_t)); + if (!this) + return DVDNAV_STATUS_ERR; + + memcpy(this, src, sizeof(dvdnav_t)); + this->file = NULL; + this->vm = NULL; + this->path = NULL; + this->cache = NULL; + + pthread_mutex_init(&this->vm_lock, NULL); + + this->vm = vm_new_copy(src->vm); + if (!this->vm) + goto fail; + + this->path = strdup(src->path); + if (!this->path) + goto fail; + + /* Start the read-ahead cache. */ + this->cache = dvdnav_read_cache_new(this); + if (!this->cache) + goto fail; + + (*dest) = this; + return DVDNAV_STATUS_OK; + +fail: + printerr("Error initialising the DVD VM."); + pthread_mutex_destroy(&this->vm_lock); + vm_free_vm(this->vm); + free(this->path); + free(this); + return DVDNAV_STATUS_ERR; +} + +dvdnav_status_t dvdnav_free_dup(dvdnav_t *this) { + +#ifdef LOG_DEBUG + Log3(this, "free_dup:called"); +#endif + + if (this->file) { + pthread_mutex_lock(&this->vm_lock); + DVDCloseFile(this->file); +#ifdef LOG_DEBUG + Log3(this, "close:file closing"); +#endif + this->file = NULL; + pthread_mutex_unlock(&this->vm_lock); + } + + /* Free the VM */ + if(this->vm) + vm_free_copy(this->vm); + + pthread_mutex_destroy(&this->vm_lock); + + free(this->path); + + /* We leave the final freeing of the entire structure to the cache, + * because we don't know, if there are still buffers out in the wild, + * that must return first. */ + if(this->cache) + dvdnav_read_cache_free(this->cache); + else + free(this); + + return DVDNAV_STATUS_OK; +} + +static dvdnav_status_t dvdnav_open_common(dvdnav_t** dest, + void *priv, const dvdnav_logger_cb *logcb, + const char *path, + dvdnav_stream_cb *stream_cb) { + dvdnav_t *this; + struct timeval time; + + /* Create a new structure */ + (*dest) = NULL; + this = (dvdnav_t*)calloc(1, sizeof(dvdnav_t)); + if(!this) + return DVDNAV_STATUS_ERR; + + this->priv = priv; + if(logcb) + this->logcb = *logcb; + + pthread_mutex_init(&this->vm_lock, NULL); + /* Initialise the error string */ + printerr(""); + + /* Initialise the VM */ + this->vm = vm_new_vm(priv, logcb); + if(!this->vm) { + goto fail; + } + if(!vm_reset(this->vm, path, priv, stream_cb)) { + goto fail; + } + + /* Set the path. */ + if(path != NULL) + { + this->path = strdup(path); + if(!this->path) + goto fail; + } + + /* Pre-open and close a file so that the CSS-keys are cached. */ + this->file = DVDOpenFile(vm_get_dvd_reader(this->vm), 0, DVD_READ_MENU_VOBS); + + /* Start the read-ahead cache. */ + this->cache = dvdnav_read_cache_new(this); + if(!this->cache) + goto fail; + + /* Seed the random numbers. So that the DVD VM Command rand() + * gives a different start value each time a DVD is played. */ + gettimeofday(&time, NULL); + srand(time.tv_usec); + + dvdnav_clear(this); + + (*dest) = this; + return DVDNAV_STATUS_OK; + +fail: + pthread_mutex_destroy(&this->vm_lock); + vm_free_vm(this->vm); + free(this->path); + free(this); + return DVDNAV_STATUS_ERR; +} + +dvdnav_status_t dvdnav_open(dvdnav_t** dest, const char *path) { + return dvdnav_open_common(dest, NULL, NULL, path, NULL); +} + +dvdnav_status_t dvdnav_open2(dvdnav_t** dest, + void *priv,const dvdnav_logger_cb *logcb, + const char *path) { + return dvdnav_open_common(dest, priv, logcb, path, NULL); +} + +dvdnav_status_t dvdnav_open_stream(dvdnav_t** dest, + void *priv, dvdnav_stream_cb *stream_cb) { + return dvdnav_open_common(dest, priv, NULL, NULL, stream_cb); +} + +dvdnav_status_t dvdnav_open_stream2(dvdnav_t** dest, + void *priv,const dvdnav_logger_cb *logcb, + dvdnav_stream_cb *stream_cb) { + return dvdnav_open_common(dest, priv, logcb, NULL, stream_cb); +} + +dvdnav_status_t dvdnav_close(dvdnav_t *this) { + +#ifdef LOG_DEBUG + Log3(this, "close:called"); +#endif + + if (this->file) { + pthread_mutex_lock(&this->vm_lock); + DVDCloseFile(this->file); +#ifdef LOG_DEBUG + Log3(this, "close:file closing"); +#endif + this->file = NULL; + pthread_mutex_unlock(&this->vm_lock); + } + + /* Free the VM */ + if(this->vm) + vm_free_vm(this->vm); + + pthread_mutex_destroy(&this->vm_lock); + + free(this->path); + + /* We leave the final freeing of the entire structure to the cache, + * because we don't know, if there are still buffers out in the wild, + * that must return first. */ + if(this->cache) + dvdnav_read_cache_free(this->cache); + else + free(this); + + return DVDNAV_STATUS_OK; +} + +dvdnav_status_t dvdnav_reset(dvdnav_t *this) { + dvdnav_status_t result; + +#ifdef LOG_DEBUG + Log3(this, "reset:called"); +#endif + + pthread_mutex_lock(&this->vm_lock); + +#ifdef LOG_DEBUG + Log3(this, "resetting vm"); +#endif + if(!vm_reset(this->vm, NULL, NULL, NULL)) { + printerr("Error restarting the VM."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } +#ifdef LOG_DEBUG + Log3(this, "clearing dvdnav"); +#endif + pthread_mutex_unlock(&this->vm_lock); + result = dvdnav_clear(this); + + return result; +} + +dvdnav_status_t dvdnav_path(dvdnav_t *this, const char** path) { + (*path) = this->path; + + return DVDNAV_STATUS_OK; +} + +const char* dvdnav_err_to_string(dvdnav_t *this) { + + if(!this) + return "Hey! You gave me a NULL pointer you naughty person!"; + + return this->err_str; +} + +/* converts a dvd_time_t to PTS ticks */ +int64_t dvdnav_convert_time(const dvd_time_t *time) { + int64_t result; + int64_t frames; + + result = ((int64_t)(time->hour >> 4 )) * 10 * 60 * 60 * 90000; + result += ((int64_t)(time->hour & 0x0f)) * 60 * 60 * 90000; + result += ((int64_t)(time->minute >> 4 )) * 10 * 60 * 90000; + result += ((int64_t)(time->minute & 0x0f)) * 60 * 90000; + result += ((int64_t)(time->second >> 4 )) * 10 * 90000; + result += ((int64_t)(time->second & 0x0f)) * 90000; + + frames = ((time->frame_u & 0x30) >> 4) * 10; + frames += ((time->frame_u & 0x0f) ) ; + + if (time->frame_u & 0x80) + result += frames * 3000; + else + result += frames * 3600; + + return result; +} + +/* + * Returns 1 if block contains NAV packet, 0 otherwise. + * Processes said NAV packet if present. + * + * Most of the code in here is copied from xine's MPEG demuxer + * so any bugs which are found in that should be corrected here also. + */ +static int32_t dvdnav_decode_packet(dvdnav_t *this, uint8_t *p, + dsi_t *nav_dsi, pci_t *nav_pci) { + int32_t bMpeg1 = 0; + uint32_t nHeaderLen; + uint32_t nPacketLen; + uint32_t nStreamID; + + if (p[3] == 0xBA) { /* program stream pack header */ + int32_t nStuffingBytes; + + bMpeg1 = (p[4] & 0x40) == 0; + + if (bMpeg1) { + p += 12; + } else { /* mpeg2 */ + nStuffingBytes = p[0xD] & 0x07; + p += 14 + nStuffingBytes; + } + } + + if (p[3] == 0xbb) { /* program stream system header */ + nHeaderLen = (p[4] << 8) | p[5]; + p += 6 + nHeaderLen; + } + + /* we should now have a PES packet here */ + if (p[0] || p[1] || (p[2] != 1)) { + Log1(this, "demux error! %02x %02x %02x (should be 0x000001)",p[0],p[1],p[2]); + return 0; + } + + nPacketLen = p[4] << 8 | p[5]; + nStreamID = p[3]; + + nHeaderLen = 6; + p += nHeaderLen; + + if (nStreamID == 0xbf) { /* Private stream 2 */ +#if 0 + char buffer[80 * 3 + 1]; + int32_t i; + for(i=0;i<80;i++) + sprintf(&buffer[i*3], "%02x ",p[i-6]); + Log3(this, "nav packet=%u %s",p-p_start-6, buffer); +#endif + + if(p[0] == 0x00) { + navRead_PCI(nav_pci, p+1); + } + + p += nPacketLen; + + /* We should now have a DSI packet. */ + if(p[6] == 0x01) { + nPacketLen = p[4] << 8 | p[5]; + p += 6; + navRead_DSI(nav_dsi, p+1); + } + return 1; + } + return 0; +} + +/* DSI is used for most angle stuff. + * PCI is used for only non-seemless angle stuff + */ +static int32_t dvdnav_get_vobu(dvdnav_t *this, dsi_t *nav_dsi, pci_t *nav_pci, dvdnav_vobu_t *vobu) { + uint32_t next; + int32_t angle, num_angle; + + vobu->vobu_start = nav_dsi->dsi_gi.nv_pck_lbn; /* Absolute offset from start of disk */ + vobu->vobu_length = nav_dsi->dsi_gi.vobu_ea; /* Relative offset from vobu_start */ + + /* + * If we're not at the end of this cell, we can determine the next + * VOBU to display using the VOBU_SRI information section of the + * DSI. Using this value correctly follows the current angle, + * avoiding the doubled scenes in The Matrix, and makes our life + * really happy. + * + * vobu_next is an offset value, 0x3fffffff = SRI_END_OF_CELL + * DVDs are about 6 Gigs, which is only up to 0x300000 blocks + * Should really assert if bit 31 != 1 + */ + +#if 0 + /* Old code -- may still be useful one day */ + if(nav_dsi->vobu_sri.next_vobu != SRI_END_OF_CELL ) { + vobu->vobu_next = ( nav_dsi->vobu_sri.next_vobu & 0x3fffffff ); + } else { + vobu->vobu_next = vobu->vobu_length; + } +#else + /* Relative offset from vobu_start */ + vobu->vobu_next = ( nav_dsi->vobu_sri.next_vobu & 0x3fffffff ); +#endif + + vm_get_angle_info(this->vm, &angle, &num_angle); + + /* FIMXE: The angle reset doesn't work for some reason for the moment */ +#if 0 + if((num_angle < angle) && (angle != 1)) { + Log3(this, "angle ends!"); + + /* This is to switch back to angle one when we + * finish with angles. */ + dvdnav_angle_change(this, 1); + } +#endif + /* only use ILVU information if we are at the last vobunit in ILVU */ + /* otherwise we will miss nav packets from vobunits inbetween */ + if(num_angle != 0 && (nav_dsi->sml_pbi.category & DSI_ILVU_MASK) == (DSI_ILVU_BLOCK | DSI_ILVU_LAST)) { + + if((next = nav_pci->nsml_agli.nsml_agl_dsta[angle-1]) != 0) { + if((next & 0x3fffffff) != 0) { + if(next & 0x80000000) + vobu->vobu_next = - (int32_t)(next & 0x3fffffff); + else + vobu->vobu_next = + (int32_t)(next & 0x3fffffff); + } + } else if((next = nav_dsi->sml_agli.data[angle-1].address) != 0) { + vobu->vobu_length = nav_dsi->sml_pbi.ilvu_ea; + + if((next & 0x80000000) && (next != 0x7fffffff)) + vobu->vobu_next = - (int32_t)(next & 0x3fffffff); + else + vobu->vobu_next = + (int32_t)(next & 0x3fffffff); + } + } + + return 1; +} + +/* + * These are the main get_next_block function which actually get the media stream video and audio etc. + * + * There are two versions: The second one is using the zero-copy read ahead cache and therefore + * hands out pointers targeting directly into the cache. + * The first one uses a memcopy to fill this cache block into the application provided memory. + * The benefit of this first one is that no special memory management is needed. The application is + * the only one responsible of allocating and freeing the memory associated with the pointer. + * The drawback is the additional memcopy. + */ + +dvdnav_status_t dvdnav_get_next_block(dvdnav_t *this, uint8_t *buf, + int32_t *event, int32_t *len) { + unsigned char *block; + dvdnav_status_t status; + + block = buf; + status = dvdnav_get_next_cache_block(this, &block, event, len); + if (status == DVDNAV_STATUS_OK && block != buf) { + /* we received a block from the cache, copy it, so we can give it back */ + memcpy(buf, block, DVD_VIDEO_LB_LEN); + dvdnav_free_cache_block(this, block); + } + return status; +} + +int64_t dvdnav_get_current_time(dvdnav_t *this) { + int i; + int64_t tm=0; + dvd_state_t *state = &this->vm->state; + + if(! state->pgc) + return 0; + + for(i=0; i<state->cellN-1; i++) { + if(! + (state->pgc->cell_playback[i].block_type == BLOCK_TYPE_ANGLE_BLOCK && + state->pgc->cell_playback[i].block_mode != BLOCK_MODE_FIRST_CELL) + ) + tm += dvdnav_convert_time(&state->pgc->cell_playback[i].playback_time); + } + tm += this->cur_cell_time; + + return tm; +} + +dvdnav_status_t dvdnav_get_next_cache_block(dvdnav_t *this, uint8_t **buf, + int32_t *event, int32_t *len) { + dvd_state_t *state; + int32_t result; + + if(!this) + return DVDNAV_STATUS_ERR; + + pthread_mutex_lock(&this->vm_lock); + + if(!this->started) { + /* Start the VM */ + if (!vm_start(this->vm)) { + printerr("Encrypted or faulty DVD"); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + this->started = 1; + } + + if (!this->vm->state.pgc) { + printerr("No current PGC."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + + state = &(this->vm->state); + (*event) = DVDNAV_NOP; + (*len) = 0; + + /* Check the STOP flag */ + if(this->vm->stopped) { + vm_stop(this->vm); + (*event) = DVDNAV_STOP; + this->started = 0; + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + vm_position_get(this->vm, &this->position_next); + +#ifdef LOG_DEBUG + Log3(this->vm, "POS-NEXT "); + vm_position_print(this->vm, &this->position_next); + Log3(this->vm, "POS-CUR "); + vm_position_print(this->vm, &this->position_current); +#endif + + /* did we hop? */ + if(this->position_current.hop_channel != this->position_next.hop_channel) { + (*event) = DVDNAV_HOP_CHANNEL; +#ifdef LOG_DEBUG + Log3(this->vm, "HOP_CHANNEL"); +#endif + if (this->position_next.hop_channel - this->position_current.hop_channel >= HOP_SEEK) { + int32_t num_angles = 0, current; + + /* we seeked -> check for multiple angles */ + vm_get_angle_info(this->vm, ¤t, &num_angles); + if (num_angles > 1) { + int32_t result, block; + /* we have to skip the first VOBU when seeking in a multiangle feature, + * because it might belong to the wrong angle */ + block = this->position_next.cell_start + this->position_next.block; + result = dvdnav_read_cache_block(this->cache, block, 1, buf); + if(result <= 0) { + printerr("Error reading NAV packet."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + /* Decode nav into pci and dsi. Then get next VOBU info. */ + if(!dvdnav_decode_packet(this, *buf, &this->dsi, &this->pci)) { + printerr("Expected NAV packet but none found."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + dvdnav_get_vobu(this, &this->dsi, &this->pci, &this->vobu); + /* skip to next, if there is a next */ + if (this->vobu.vobu_next != SRI_END_OF_CELL) { + this->vobu.vobu_start += this->vobu.vobu_next; + this->vobu.vobu_next = 0; + } + /* update VM state */ + this->vm->state.blockN = this->vobu.vobu_start - this->position_next.cell_start; + } + } + this->position_current.hop_channel = this->position_next.hop_channel; + /* update VOBU info */ + this->vobu.vobu_start = this->position_next.cell_start + this->position_next.block; + this->vobu.vobu_next = 0; + /* Make blockN == vobu_length to do expected_nav */ + this->vobu.vobu_length = 0; + this->vobu.blockN = 0; + this->sync_wait = 0; + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* Check the HIGHLIGHT flag */ + if(this->position_current.button != this->position_next.button) { + dvdnav_highlight_event_t *hevent = (dvdnav_highlight_event_t *)*buf; + + (*event) = DVDNAV_HIGHLIGHT; +#ifdef LOG_DEBUG + Log3(this, "HIGHLIGHT"); +#endif + (*len) = sizeof(dvdnav_highlight_event_t); + hevent->display = 1; + hevent->buttonN = this->position_next.button; + this->position_current.button = this->position_next.button; + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* Check the WAIT flag */ + if(this->sync_wait) { + (*event) = DVDNAV_WAIT; +#ifdef LOG_DEBUG + Log3(this, "WAIT"); +#endif + (*len) = 0; + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* Check to see if we need to change the currently opened VOB or open + * a new one because we don't currently have an opened VOB. */ + if((this->file == NULL) || + (this->position_current.vts != this->position_next.vts) || + (this->position_current.domain != this->position_next.domain)) { + dvd_read_domain_t domain; + int32_t vtsN; + dvdnav_vts_change_event_t *vts_event = (dvdnav_vts_change_event_t *)*buf; + + if(this->file) { + DVDCloseFile(this->file); + this->file = NULL; + } + + vts_event->old_vtsN = this->position_current.vts; + vts_event->old_domain = this->position_current.domain; + + /* Use the DOMAIN to find whether to open menu or title VOBs */ + switch(this->position_next.domain) { + case DVD_DOMAIN_FirstPlay: + case DVD_DOMAIN_VMGM: + domain = DVD_READ_MENU_VOBS; + vtsN = 0; + break; + case DVD_DOMAIN_VTSMenu: + domain = DVD_READ_MENU_VOBS; + vtsN = this->position_next.vts; + break; + case DVD_DOMAIN_VTSTitle: + domain = DVD_READ_TITLE_VOBS; + vtsN = this->position_next.vts; + break; + default: + printerr("Unknown domain when changing VTS."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + + this->position_current.vts = this->position_next.vts; + this->position_current.domain = this->position_next.domain; + dvdnav_read_cache_clear(this->cache); + this->file = DVDOpenFile(vm_get_dvd_reader(this->vm), vtsN, domain); + vts_event->new_vtsN = this->position_next.vts; + vts_event->new_domain = this->position_next.domain; + + /* If couldn't open the file for some reason, moan */ + if(this->file == NULL) { + printerrf("Error opening vtsN=%i, domain=%i.", vtsN, domain); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + + /* File opened successfully so return a VTS change event */ + (*event) = DVDNAV_VTS_CHANGE; +#ifdef LOG_DEBUG + Log3(this, "VTS_CHANGE"); +#endif + (*len) = sizeof(dvdnav_vts_change_event_t); + + this->spu_clut_changed = 1; + this->position_current.cell = -1; /* Force an update */ + this->position_current.spu_channel = -1; /* Force an update */ + this->position_current.audio_channel = -1; /* Force an update */; + + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* Check if the cell changed */ + if( (this->position_current.cell != this->position_next.cell) || + (this->position_current.cell_restart != this->position_next.cell_restart) || + (this->position_current.cell_start != this->position_next.cell_start) ) { + dvdnav_cell_change_event_t *cell_event = (dvdnav_cell_change_event_t *)*buf; + int32_t first_cell_nr, last_cell_nr, i; + dvd_state_t *state = &this->vm->state; + + this->cur_cell_time = 0; + (*event) = DVDNAV_CELL_CHANGE; +#ifdef LOG_DEBUG + Log3(this, "CELL_CHANGE"); +#endif + (*len) = sizeof(dvdnav_cell_change_event_t); + + cell_event->cellN = state->cellN; + cell_event->pgN = state->pgN; + cell_event->cell_length = + (state->pgc->cell_playback[state->cellN - 1].last_sector + 1); + + cell_event->pg_length = 0; + /* Find start cell of program. */ + first_cell_nr = state->pgc->program_map[state->pgN-1]; + /* Find end cell of program */ + if(state->pgN < state->pgc->nr_of_programs) + last_cell_nr = state->pgc->program_map[state->pgN] - 1; + else + last_cell_nr = state->pgc->nr_of_cells; + for (i = first_cell_nr; i <= last_cell_nr; i++) + cell_event->pg_length += + (state->pgc->cell_playback[i - 1].last_sector + 1); + + cell_event->pgc_length = dvdnav_convert_time(&state->pgc->playback_time); + + cell_event->cell_start = 0; + for (i = 1; i < state->cellN; i++) + cell_event->cell_start += + (state->pgc->cell_playback[i - 1].last_sector + 1); + + cell_event->pg_start = 0; + for (i = 1; i < state->pgc->program_map[state->pgN-1]; i++) + cell_event->pg_start += + (state->pgc->cell_playback[i - 1].last_sector + 1); + + this->position_current.cell = this->position_next.cell; + this->position_current.cell_restart = this->position_next.cell_restart; + this->position_current.cell_start = this->position_next.cell_start; + this->position_current.block = this->position_next.block; + + /* vobu info is used for mid cell resumes */ + this->vobu.vobu_start = this->position_next.cell_start + this->position_next.block; + this->vobu.vobu_next = 0; + /* Make blockN == vobu_length to do expected_nav */ + this->vobu.vobu_length = 0; + this->vobu.blockN = 0; + + /* update the spu palette at least on PGC changes */ + this->spu_clut_changed = 1; + this->position_current.spu_channel = -1; /* Force an update */ + this->position_current.audio_channel = -1; /* Force an update */ + + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* has the CLUT changed? */ + if(this->spu_clut_changed) { + (*event) = DVDNAV_SPU_CLUT_CHANGE; +#ifdef LOG_DEBUG + Log3(this, "SPU_CLUT_CHANGE"); +#endif + (*len) = 16 * sizeof(uint32_t); + memcpy(*buf, state->pgc->palette, sizeof(state->pgc->palette)); + this->spu_clut_changed = 0; + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* has the SPU channel changed? */ + if(this->position_current.spu_channel != this->position_next.spu_channel) { + dvdnav_spu_stream_change_event_t *stream_change = (dvdnav_spu_stream_change_event_t *)*buf; + + (*event) = DVDNAV_SPU_STREAM_CHANGE; +#ifdef LOG_DEBUG + Log3(this, "SPU_STREAM_CHANGE"); +#endif + (*len) = sizeof(dvdnav_spu_stream_change_event_t); + stream_change->physical_wide = vm_get_subp_active_stream(this->vm, 0); + stream_change->physical_letterbox = vm_get_subp_active_stream(this->vm, 1); + stream_change->physical_pan_scan = vm_get_subp_active_stream(this->vm, 2); + this->position_current.spu_channel = this->position_next.spu_channel; +#ifdef LOG_DEBUG + Log3(this, "SPU_STREAM_CHANGE stream_id_wide=%d",stream_change->physical_wide); + Log3(this, "SPU_STREAM_CHANGE stream_id_letterbox=%d",stream_change->physical_letterbox); + Log3(this, "SPU_STREAM_CHANGE stream_id_pan_scan=%d",stream_change->physical_pan_scan); + Log3(this, "SPU_STREAM_CHANGE returning DVDNAV_STATUS_OK"); +#endif + /* This is not really the right place to do this. FOSL_BTNN should set the register + * at HLI_S_PTM rather than when we enter the SPU. As well we should activate FOAC_BTNN + * at HLI_E_PTM + */ + if (this->pci.hli.hl_gi.fosl_btnn != 0) { + set_HL_BTN(this->vm, this->pci.hli.hl_gi.fosl_btnn); + } + + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* has the audio channel changed? */ + if(this->position_current.audio_channel != this->position_next.audio_channel) { + dvdnav_audio_stream_change_event_t *stream_change = (dvdnav_audio_stream_change_event_t *)*buf; + + (*event) = DVDNAV_AUDIO_STREAM_CHANGE; +#ifdef LOG_DEBUG + Log3(this, "AUDIO_STREAM_CHANGE"); +#endif + (*len) = sizeof(dvdnav_audio_stream_change_event_t); + stream_change->physical = vm_get_audio_active_stream( this->vm ); + stream_change->logical = this->position_next.audio_channel; + this->position_current.audio_channel = this->position_next.audio_channel; +#ifdef LOG_DEBUG + Log3(this, "AUDIO_STREAM_CHANGE stream_id=%d returning DVDNAV_STATUS_OK",stream_change->physical); +#endif + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* Check the STILLFRAME flag */ + if(this->position_current.still != 0) { + dvdnav_still_event_t *still_event = (dvdnav_still_event_t *)*buf; + + (*event) = DVDNAV_STILL_FRAME; +#ifdef LOG_DEBUG + Log3(this, "STILL_FRAME"); +#endif + (*len) = sizeof(dvdnav_still_event_t); + still_event->length = this->position_current.still; + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* Have we reached the end of a VOBU? */ + if (this->vobu.blockN >= this->vobu.vobu_length) { + + /* Have we reached the end of a cell? */ + if(this->vobu.vobu_next == SRI_END_OF_CELL) { + /* End of Cell from NAV DSI info */ +#ifdef LOG_DEBUG + Log3(this, "Still set to %x", this->position_next.still); +#endif + this->position_current.still = this->position_next.still; + + /* we are about to leave a cell, so a lot of state changes could occur; + * under certain conditions, the application should get in sync with us before this, + * otherwise it might show stills or menus too shortly */ + if ((this->position_current.still || this->pci.hli.hl_gi.hli_ss) && !this->sync_wait_skip) + this->sync_wait = 1; + + if(!this->position_current.still || this->skip_still ) { + /* no active cell still -> get us to the next cell */ + vm_get_next_cell(this->vm); + this->position_current.still = 0; /* still gets activated at end of cell */ + this->skip_still = 0; + this->sync_wait_skip = 0; + } + /* handle related state changes in next iteration */ + (*event) = DVDNAV_NOP; + (*len) = 0; + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* at the start of the next VOBU -> expecting NAV packet */ + result = dvdnav_read_cache_block(this->cache, this->vobu.vobu_start + this->vobu.vobu_next, 1, buf); + + if(result <= 0) { + printerr("Error reading NAV packet."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + /* Decode nav into pci and dsi. Then get next VOBU info. */ + if(!dvdnav_decode_packet(this, *buf, &this->dsi, &this->pci)) { + printerr("Expected NAV packet but none found."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + /* We need to update the vm state->blockN with which VOBU we are in. + * This is so RSM resumes to the VOBU level and not just the CELL level. + */ + this->vm->state.blockN = this->vobu.vobu_start - this->position_current.cell_start; + + dvdnav_get_vobu(this, &this->dsi, &this->pci, &this->vobu); + this->vobu.blockN = 0; + /* Give the cache a hint about the size of next VOBU. + * This improves pre-caching, because the VOBU will almost certainly be read entirely. + */ + dvdnav_pre_cache_blocks(this->cache, this->vobu.vobu_start+1, this->vobu.vobu_length+1); + + /* release NAV menu filter, when we reach the same NAV packet again */ + if (this->last_cmd_nav_lbn == this->pci.pci_gi.nv_pck_lbn) + this->last_cmd_nav_lbn = SRI_END_OF_CELL; + + /* Successfully got a NAV packet */ + (*event) = DVDNAV_NAV_PACKET; +#ifdef LOG_DEBUG + Log3(this, "NAV_PACKET"); +#endif + (*len) = 2048; + this->cur_cell_time = dvdnav_convert_time(&this->dsi.dsi_gi.c_eltm); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; + } + + /* If we've got here, it must just be a normal block. */ + if(!this->file) { + printerr("Attempting to read without opening file."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + + this->vobu.blockN++; + result = dvdnav_read_cache_block(this->cache, this->vobu.vobu_start + this->vobu.blockN, 1, buf); + if(result <= 0) { + printerr("Error reading from DVD."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + (*event) = DVDNAV_BLOCK_OK; + (*len) = 2048; + + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; +} + +dvdnav_status_t dvdnav_get_title_string(dvdnav_t *this, const char **title_str) { + (*title_str) = this->vm->dvd_name; + return DVDNAV_STATUS_OK; +} + +dvdnav_status_t dvdnav_get_serial_string(dvdnav_t *this, const char **serial_str) { + (*serial_str) = this->vm->dvd_serial; + return DVDNAV_STATUS_OK; +} + +const char * dvdnav_get_volid_string(dvdnav_t *this) { + if (!this || !this->vm || !this->vm->dvd) { + printerr("Invalid state, vm or reader not available."); + return NULL; + } + + char *volid_str = malloc(33); + if (volid_str == NULL) { + printerr("Insufficient memory available."); + return NULL; + } + + if (DVDUDFVolumeInfo(this->vm->dvd, volid_str, 32, NULL, 0) == -1) { + if (DVDISOVolumeInfo(this->vm->dvd, volid_str, 33, NULL, 0) == -1) { + printerr("Failed to obtain volume id."); + free(volid_str); + return NULL; + } + } + return volid_str; +} + +uint8_t dvdnav_get_video_aspect(dvdnav_t *this) { + uint8_t retval; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + retval = (uint8_t)vm_get_video_aspect(this->vm); + pthread_mutex_unlock(&this->vm_lock); + + return retval; +} +dvdnav_status_t dvdnav_get_video_resolution(dvdnav_t *this, uint32_t *width, uint32_t *height) { + int w, h; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return DVDNAV_STATUS_ERR; + } + + pthread_mutex_lock(&this->vm_lock); + vm_get_video_res(this->vm, &w, &h); + pthread_mutex_unlock(&this->vm_lock); + + *width = w; + *height = h; + return DVDNAV_STATUS_OK; +} + +uint8_t dvdnav_get_video_scale_permission(dvdnav_t *this) { + uint8_t retval; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + retval = (uint8_t)vm_get_video_scale_permission(this->vm); + pthread_mutex_unlock(&this->vm_lock); + + return retval; +} + +uint16_t dvdnav_audio_stream_to_lang(dvdnav_t *this, uint8_t stream) { + audio_attr_t attr; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + attr = vm_get_audio_attr(this->vm, stream); + pthread_mutex_unlock(&this->vm_lock); + + if(attr.lang_type != 1) + return 0xffff; + + return attr.lang_code; +} + +uint16_t dvdnav_audio_stream_format(dvdnav_t *this, uint8_t stream) { + audio_attr_t attr; + uint16_t format; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; /* 0xffff */ + } + + pthread_mutex_lock(&this->vm_lock); + attr = vm_get_audio_attr(this->vm, stream); + pthread_mutex_unlock(&this->vm_lock); + + switch(attr.audio_format) { + case 0: + format = DVD_AUDIO_FORMAT_AC3; + break; + case 2: /* MPEG-1 or MPEG-2 without extension bitstream. */ + case 3: /* MPEG-2 with extension bitstream. */ + format = DVD_AUDIO_FORMAT_MPEG2_EXT; + break; + case 4: + format = DVD_AUDIO_FORMAT_LPCM; + break; + case 6: + format = DVD_AUDIO_FORMAT_DTS; + break; + case 7: + format = DVD_AUDIO_FORMAT_SDDS; + break; + default: + format = 0xffff; + break; + } + + return format; +} + +uint16_t dvdnav_audio_stream_channels(dvdnav_t *this, uint8_t stream) { + audio_attr_t attr; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; /* 0xffff */ + } + + pthread_mutex_lock(&this->vm_lock); + attr = vm_get_audio_attr(this->vm, stream); + pthread_mutex_unlock(&this->vm_lock); + + return attr.channels + 1; +} + +uint16_t dvdnav_spu_stream_to_lang(dvdnav_t *this, uint8_t stream) { + subp_attr_t attr; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + attr = vm_get_subp_attr(this->vm, stream); + pthread_mutex_unlock(&this->vm_lock); + + if(attr.type != 1) + return 0xffff; + + return attr.lang_code; +} + +int8_t dvdnav_get_audio_logical_stream(dvdnav_t *this, uint8_t audio_num) { + int8_t retval; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + if (!this->vm->state.pgc) { + printerr("No current PGC."); + pthread_mutex_unlock(&this->vm_lock); + return -1; + } + retval = vm_get_audio_stream(this->vm, audio_num); + pthread_mutex_unlock(&this->vm_lock); + + return retval; +} + +int8_t dvdnav_get_number_of_streams(dvdnav_t *this, dvdnav_stream_type_t stream_type) { + + if (stream_type != DVD_SUBTITLE_STREAM && stream_type != DVD_AUDIO_STREAM) { + printerr("Invalid provided stream type"); + return -1; + } + + if (!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + if (!this->vm->state.pgc) { + printerr("No current PGC."); + pthread_mutex_unlock(&this->vm_lock); + return -1; + } + + if (this->vm->state.domain != DVD_DOMAIN_VTSTitle && + this->vm->state.domain != DVD_DOMAIN_VTSMenu) + { + printerr("Invalid domain provided"); + pthread_mutex_unlock(&this->vm_lock); + return -1; + } + + int8_t count = 0; + switch (stream_type) { + case DVD_SUBTITLE_STREAM: + for (int i = 0; i < 32; i++) + { + if (this->vm->state.pgc->subp_control[i] & (1<<31)) + count++; + } + break; + case DVD_AUDIO_STREAM: + for (int i = 0; i < 8; i++) + { + if (this->vm->state.pgc->audio_control[i] & (1<<15)) + count++; + } + break; + } + pthread_mutex_unlock(&this->vm_lock); + return count; +} + +dvdnav_status_t dvdnav_get_audio_attr(dvdnav_t *this, uint8_t audio_num, audio_attr_t *audio_attr) { + if(!this->started) { + printerr("Virtual DVD machine not started."); + return DVDNAV_STATUS_ERR; + } + 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; + } + *audio_attr=vm_get_audio_attr(this->vm, audio_num); + pthread_mutex_unlock(&this->vm_lock); + + return DVDNAV_STATUS_OK; +} + +int8_t dvdnav_get_spu_logical_stream(dvdnav_t *this, uint8_t subp_num) { + int8_t retval; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + if (!this->vm->state.pgc) { + printerr("No current PGC."); + pthread_mutex_unlock(&this->vm_lock); + return -1; + } + retval = vm_get_subp_stream(this->vm, subp_num, 0); + pthread_mutex_unlock(&this->vm_lock); + + return retval; +} + +dvdnav_status_t dvdnav_get_spu_attr(dvdnav_t *this, uint8_t audio_num, subp_attr_t *subp_attr) { + if(!this->started) { + printerr("Virtual DVD machine not started."); + return DVDNAV_STATUS_ERR; + } + 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; + } + *subp_attr=vm_get_subp_attr(this->vm, audio_num); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; +} + +int8_t dvdnav_get_active_audio_stream(dvdnav_t *this) { + int8_t retval; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + if (!this->vm->state.pgc) { + printerr("No current PGC."); + pthread_mutex_unlock(&this->vm_lock); + return -1; + } + retval = vm_get_audio_active_stream(this->vm); + pthread_mutex_unlock(&this->vm_lock); + + return retval; +} + +int8_t dvdnav_get_active_spu_stream(dvdnav_t *this) { + int8_t retval; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + if (!this->vm->state.pgc) { + printerr("No current PGC."); + pthread_mutex_unlock(&this->vm_lock); + return -1; + } + retval = vm_get_subp_active_stream(this->vm, 0); + pthread_mutex_unlock(&this->vm_lock); + + return retval; +} + +dvdnav_status_t dvdnav_set_active_stream(dvdnav_t *this, uint8_t stream_num, dvdnav_stream_type_t stream_type) { + if (stream_type != DVD_SUBTITLE_STREAM && stream_type != DVD_AUDIO_STREAM) { + printerr("Invalid provided stream type"); + return DVDNAV_STATUS_ERR; + } + + if (!this->started) { + printerr("Virtual DVD machine not started."); + return DVDNAV_STATUS_ERR; + } + + 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; + } + + if (this->vm->state.domain != DVD_DOMAIN_VTSTitle && + this->vm->state.domain != DVD_DOMAIN_VTSMenu) + { + printerr("Invalid active domain"); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + + switch (stream_type) { + case DVD_SUBTITLE_STREAM: + if (stream_num >= 32 || + !(this->vm->state.pgc->subp_control[stream_num] & (1 << 31))) { + printerr("Invalid stream index not allowed"); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + // set state without changing the current visibility + this->vm->state.SPST_REG = stream_num | (this->vm->state.SPST_REG & 0x40); + break; + case DVD_AUDIO_STREAM: + if (stream_num >= 8 || + !(this->vm->state.pgc->audio_control[stream_num] & (1 << 15))) { + printerr("Invalid stream index not allowed"); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + this->vm->state.AST_REG = stream_num; + break; + } + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; +} + +dvdnav_status_t dvdnav_toggle_spu_stream(dvdnav_t *this, uint8_t visibility) { + if(!this->started) { + printerr("Virtual DVD machine not started."); + return DVDNAV_STATUS_ERR; + } + + pthread_mutex_lock(&this->vm_lock); + switch(visibility) { + case 0: /* disable */ + this->vm->state.SPST_REG &= ~0x40; + break; + case 1: /* enable */ + this->vm->state.SPST_REG |= 0x40; + break; + default: + printerr("Invalid provided enabled_flag value"); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; +} + +static int8_t dvdnav_is_domain(dvdnav_t *this, DVDDomain_t domain) { + int8_t retval; + + if(!this->started) { + printerr("Virtual DVD machine not started."); + return -1; + } + + pthread_mutex_lock(&this->vm_lock); + retval = (this->vm->state.domain == domain); + pthread_mutex_unlock(&this->vm_lock); + + return retval; +} + +/* First Play domain. (Menu) */ +int8_t dvdnav_is_domain_fp(dvdnav_t *this) { + return dvdnav_is_domain(this, DVD_DOMAIN_FirstPlay); +} +/* Video management Menu domain. (Menu) */ +int8_t dvdnav_is_domain_vmgm(dvdnav_t *this) { + return dvdnav_is_domain(this, DVD_DOMAIN_VMGM); +} +/* Video Title Menu domain (Menu) */ +int8_t dvdnav_is_domain_vtsm(dvdnav_t *this) { + return dvdnav_is_domain(this, DVD_DOMAIN_VTSMenu); +} +/* Video Title domain (playing movie). */ +int8_t dvdnav_is_domain_vts(dvdnav_t *this) { + return dvdnav_is_domain(this, DVD_DOMAIN_VTSTitle); +} + +/* Generally delegate angle information handling to VM */ +dvdnav_status_t dvdnav_angle_change(dvdnav_t *this, int32_t angle) { + int32_t num, current; + + pthread_mutex_lock(&this->vm_lock); + vm_get_angle_info(this->vm, ¤t, &num); + /* Set angle SPRM if valid */ + if((angle > 0) && (angle <= num)) { + this->vm->state.AGL_REG = angle; + } else { + printerr("Passed an invalid angle number."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + pthread_mutex_unlock(&this->vm_lock); + + return DVDNAV_STATUS_OK; +} + +dvdnav_status_t dvdnav_get_angle_info(dvdnav_t *this, int32_t *current_angle, + int32_t *number_of_angles) { + pthread_mutex_lock(&this->vm_lock); + vm_get_angle_info(this->vm, current_angle, number_of_angles); + pthread_mutex_unlock(&this->vm_lock); + + return DVDNAV_STATUS_OK; +} + +dvdnav_status_t dvdnav_get_disk_region_mask(dvdnav_t *this, int32_t *region_mask) { + pthread_mutex_lock(&this->vm_lock); + if (!this->vm || !this->vm->vmgi || !this->vm->vmgi->vmgi_mat) { + printerr("Bad VM state."); + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_ERR; + } + + (*region_mask) = ((this->vm->vmgi->vmgi_mat->vmg_category >> 16) & 0xff) ^ 0xff; + pthread_mutex_unlock(&this->vm_lock); + return DVDNAV_STATUS_OK; +} + +pci_t* dvdnav_get_current_nav_pci(dvdnav_t *this) { + if(!this) return 0; + return &this->pci; +} + +dsi_t* dvdnav_get_current_nav_dsi(dvdnav_t *this) { + if(!this) return 0; + return &this->dsi; +} + +uint32_t dvdnav_get_next_still_flag(dvdnav_t *this) { + if(!this) return -1; + return this->position_next.still; +} + +user_ops_t dvdnav_get_restrictions(dvdnav_t* this) { + /* + * user_ops_t is a structure of 32 bits. We want to compute + * the union of two of those bitfields so to make this quicker + * than performing 32 ORs, we will access them as 32bits words. + */ + union { + user_ops_t ops_struct; + uint32_t ops_int; + } ops, tmp; + + ops.ops_int = 0; + + if(!this || !this->started) { + printerr("Virtual DVD machine not started."); + return ops.ops_struct; + } + + pthread_mutex_lock(&this->vm_lock); + ops.ops_struct = this->pci.pci_gi.vobu_uop_ctl; + + if(this->vm && this->vm->state.pgc) { + tmp.ops_struct = this->vm->state.pgc->prohibited_ops; + ops.ops_int |= tmp.ops_int; + } + pthread_mutex_unlock(&this->vm_lock); + + return ops.ops_struct; +} + +const char* dvdnav_version(void) { + return VERSION; +} |