summaryrefslogtreecommitdiff
path: root/src/input/libdvdnav/dvdnav.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/input/libdvdnav/dvdnav.h')
-rw-r--r--src/input/libdvdnav/dvdnav.h879
1 files changed, 879 insertions, 0 deletions
diff --git a/src/input/libdvdnav/dvdnav.h b/src/input/libdvdnav/dvdnav.h
new file mode 100644
index 000000000..4d03341cc
--- /dev/null
+++ b/src/input/libdvdnav/dvdnav.h
@@ -0,0 +1,879 @@
+/*
+ * Copyright (C) 2001 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * $Id: dvdnav.h,v 1.1 2002/08/08 17:49:21 richwareham Exp $
+ *
+ */
+
+/**
+ * \file dvdnav.h
+ * The main file you should include if you want to access dvdnav
+ * functionality.
+ */
+
+#ifndef DVDNAV_H_INCLUDED
+#define DVDNAV_H_INCLUDED
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Defines the various events and dvdnav_event_t */
+#include "dvdnav_events.h"
+
+/* Various useful types */
+#include "dvd_types.h"
+
+#include <dvdread/dvd_reader.h>
+
+/**
+ * Opaque data-type can be viewed as a 'DVD handle'. You should get
+ * a pointer to a dvdnav_t from the dvdnav_open() function.
+ * \sa dvdnav_open()
+ */
+typedef struct dvdnav_s dvdnav_t;
+
+/* Status */
+typedef int dvdnav_status_t;
+
+#define DVDNAV_STATUS_ERR 0
+#define DVDNAV_STATUS_OK 1
+
+/**
+ * NOTE: */
+
+/**
+ * \defgroup init Initialisation & housekeeping functions
+ * These functions allow you to open a DVD device and associate it
+ * with a dvdnav_t.
+ *
+ * Unless otherwise stated, all functions return DVDNAV_STATUS_OK if
+ * they succeeded, otherwise DVDNAV_STATUS_ERR is returned and the error may
+ * be obtained by calling dvdnav_err_to_string().
+ *
+ * A minimal <tt>libdvdnav</tt> program should always call dvdnav_open()
+ * and dvdnav_close().
+ *
+ * \par Example:
+ * \include minimal.c
+ *
+ * @{
+ */
+
+/**
+ * Attempts to open the DVD drive at the specifiec path and pre-cache
+ * any CSS-keys that your hacked libdvdread may use.
+ *
+ * \param dest Pointer to a dvdnav_t pointer to fill in.
+ * \param path Any libdvdread acceptable path
+ */
+dvdnav_status_t dvdnav_open(dvdnav_t** dest, char *path);
+
+/**
+ * Closes a dvdnav_t previously opened with dvdnav_open(), freeing any
+ * memory associated with it.
+ *
+ * \param self dvdnav_t to close.
+ */
+dvdnav_status_t dvdnav_close(dvdnav_t *self);
+
+/**
+ * Resets the virtual machine and buffers in a previously opened dvdnav
+ *
+ * \param self dvdnav_t to reset.
+ */
+dvdnav_status_t dvdnav_reset(dvdnav_t *self);
+
+/**
+ * Fills a pointer with a value pointing to a string describing
+ * the path associated with an open dvdnav_t. It assigns it NULL
+ * on error.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param path Pointer to char* to fill in.
+ */
+dvdnav_status_t dvdnav_path(dvdnav_t *self, char** path);
+
+/**
+ * Returns a human-readable string describing the last error.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \returns A pointer to said string.
+ */
+char* dvdnav_err_to_string(dvdnav_t *self);
+
+/** \@} */
+
+/**
+ * \defgroup char Changing and Reading DVD Player characteristics
+ *
+ * These functions allow you to manipulate the various global characteristics
+ * of the DVD playback engine.
+ *
+ * @{
+ */
+
+/**
+ * Returns the region mask (bit 0 set implies region 1, bit 1 set implies
+ * region 2, etc) of the virtual machine. Generally you will only need to set
+ * this if you are playing RCE discs which query the virtual machine as to its
+ * region setting.
+ *
+ * \par Note:
+ * This has <b>nothing</b> to do with the region setting of the DVD drive.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param region Pointer to an int which will receive the region code mask.
+ */
+dvdnav_status_t dvdnav_get_region_mask(dvdnav_t *self, int *region);
+
+/**
+ * Sets the region mask of the virtual machine.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param mask 0x00..0xff -- the desired region mask.
+ *
+ * \sa dvdnav_get_region_mask()
+ */
+dvdnav_status_t dvdnav_set_region_mask(dvdnav_t *self, int mask);
+
+/**
+ * Specify whether read-ahead caching should be used. You may not want this if your
+ * decoding engine does its own buffering or if you don't like the fact that this is
+ * implemented in a multithreaded manner.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param use_readahead 0 - no, 1 - yes
+ */
+dvdnav_status_t dvdnav_set_readahead_flag(dvdnav_t *self, int use_readahead);
+
+/**
+ * Query whether readahead caching/buffering will be used.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param flag Pointer to int to recieve flag value.
+ *
+ * \sa dvdnav_get_readahead_flag()
+ */
+dvdnav_status_t dvdnav_get_readahead_flag(dvdnav_t *self, int* flag);
+
+/**
+ * @}
+ */
+
+/**
+ * \defgroup data Reading Data
+ *
+ * These functions are used to poll the playback enginge and actually get data
+ * off the DVD.
+ *
+ * @{
+ */
+
+/**
+ * Attempts to get the next block off the DVD and copies it into the buffer 'buf'.
+ * If there is any special actions that may need to be performed, the value
+ * pointed to by 'event' gets set
+ * accordingly.
+ *
+ * If 'event' is DVDNAV_BLOCK_OK then 'buf' is filled with the next block
+ * (note that means it has to be at /least/ 2048 bytes big). 'len' is
+ * then set to 2048.
+ *
+ * Otherwise, buf is filled with an appropriate event structure and
+ * len is set to the length of that structure.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param buf Buffer (at least 2048 octets) to fill with next block/event structure.
+ * \param event Pointer to int to get event type.
+ * \param len Pointer to int to get the number of octets written into buf.
+ */
+dvdnav_status_t dvdnav_get_next_block(dvdnav_t *self, unsigned char *buf,
+ int *event, int *len);
+
+/**
+ * This basically does the same as dvdnav_get_next_block. The only difference is
+ * that it avoids a memcopy, when the requested block was found in the cache.
+ * I such a case (cache hit) this function will return a different pointer than
+ * the one handed in, pointing directly into the relevant block in the cache.
+ * Those pointer must _never_ be freed but instead returned to the library via
+ + dvdnav_free_cache_block.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param buf Buffer (at least 2048 octets) to fill with next block/event structure.
+ * A different buffer might be returned, if the block was found in the internal cache.
+ * \param event Pointer to int to get event type.
+ * \param len Pointer to int to get the number of octets written into buf.
+ */
+dvdnav_status_t dvdnav_get_next_cache_block(dvdnav_t *self, unsigned char **buf,
+ int *event, int *len);
+
+/**
+ * All buffers which came from the internal cache (when dvdnav_get_next_cache_block
+ * returned a buffer different from the one handed in) have to be freed with this
+ * function. Although handing in other buffers not from the cache doesn't cause any harm.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param buf Buffer received from internal cache.
+ */
+dvdnav_status_t dvdnav_free_cache_block(dvdnav_t *self, unsigned char *buf);
+
+/**
+ * Get video aspect code.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ *
+ * \returns Video aspect ratio code, 0 -- 4:3, 2 -- 16:9
+ */
+uint8_t dvdnav_get_video_aspect(dvdnav_t *self);
+
+/**
+ * Get video scaling permissions.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ *
+ * \returns Video scaling permissions, bit0 - deny letterboxing, bit1 - deny pan&scan
+ */
+uint8_t dvdnav_get_video_scale_permission(dvdnav_t *self);
+
+/**
+ * @}
+ */
+
+/**
+ * \defgroup nav Navigation Commands
+ *
+ * @{
+ */
+
+/**
+ * Returns the number of titles on the disk.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param titles Pointer to int to receive number of titles.
+ */
+dvdnav_status_t dvdnav_get_number_of_titles(dvdnav_t *self, int *titles);
+
+/**
+ * Returns the number of programs within the current title.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param programs Pointer to int to receive number of programs.
+ */
+dvdnav_status_t dvdnav_get_number_of_programs(dvdnav_t *self, int *programs);
+
+/**
+ * If we are currently in a still-frame this function skips it (or attempts to).
+ * This might fail if this still-frame is of infinite duration as most DVD
+ * authors wouldn't expect you to be able to do this <tt>:)</tt>
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_still_skip(dvdnav_t *self);
+
+/**
+ * Plays a specified title of the DVD.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param title 1..99 -- Title number to play.
+ */
+dvdnav_status_t dvdnav_title_play(dvdnav_t *self, int title);
+
+/**
+ * Plays the specifiec title, starting from the specified
+ * part (chapter).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param title 1..99 -- Title number to play.
+ * \param part 1..999 -- Part to start from.
+ */
+dvdnav_status_t dvdnav_part_play(dvdnav_t *self, int title, int part);
+
+/**
+ * Play the specified amount of parts of the specified title of
+ * the DVD then STOP.
+ *
+ * \par Note:
+ * Currently unimplemented!
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param title 1..99 -- Title number to play.
+ * \param part 1..999 -- Part to start from.
+ * \param parts_to_play 1..999 -- Number of parts to play.
+ */
+dvdnav_status_t dvdnav_part_play_auto_stop(dvdnav_t *self, int title,
+ int part, int parts_to_play);
+
+/**
+ * Play the specified title starting from the specified time
+ *
+ * \par Note:
+ * Currently unimplemented!
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param title 1..99 -- Title number to play.
+ * \param time Timecode to start from (hours, minutes, seconds + frames).
+ */
+dvdnav_status_t dvdnav_time_play(dvdnav_t *self, int title,
+ unsigned long int time);
+
+/**
+ * Stops playing the current title (causes a STOP action in
+ * dvdnav_get_next_block()).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ *
+ * \sa dvdnav_get_next_block()
+ */
+dvdnav_status_t dvdnav_stop(dvdnav_t *self);
+
+/**
+ * Stop playing current title and play the "GoUp"-program chain
+ * (which generally leads to the title menu or a higer-level menu).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_go_up(dvdnav_t *self);
+
+/**
+ * @}
+ */
+
+/**
+ * \defgroup search Searching
+ *
+ * @{
+ */
+
+/**
+ * Stop playing the current title and start playback of the title
+ * from the specified timecode.
+ *
+ * \par Note:
+ * Currently unimplemented!
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param time Timecode to start from.
+ */
+dvdnav_status_t dvdnav_time_search(dvdnav_t *self,
+ unsigned long int time);
+
+/**
+ * Stop playing the current title and start playback of the title
+ * from the specified sector offset.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param offset Sector offset to start from.
+ * \param origin Start from here, start or end.
+ */
+dvdnav_status_t dvdnav_sector_search(dvdnav_t *self,
+ unsigned long int offset, int origin);
+
+/**
+ * Stop playing the current title and start playback of the title
+ * from the specified part (chapter).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param part 1..999 -- Part to start from.
+ */
+dvdnav_status_t dvdnav_part_search(dvdnav_t *self, int part);
+
+/**
+ * Stop playing the current title and start playback of the title
+ * from the previous program (if it exists).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_prev_pg_search(dvdnav_t *self);
+
+/**
+ * Stop playing the current title and start playback of the title
+ * from the first program.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_top_pg_search(dvdnav_t *self);
+
+/**
+ * Stop playing the current title and start playback of the title
+ * from the next program (if it exists).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_next_pg_search(dvdnav_t *self);
+
+/**
+ * Stop playing the current title and jump to the specified menu.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param menu Which menu to call (see DVDMenuID_t).
+ *
+ * \sa DVDMenuID_t (from <tt>libdvdread</tt>)
+ */
+dvdnav_status_t dvdnav_menu_call(dvdnav_t *self, DVDMenuID_t menu);
+
+/**
+ * Return the title number and chapter currently being played or
+ * -1 if in a menu.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param title Pointer to into which will receive the current title number.
+ * \param part Pointer to into which will receive the current part number.
+ */
+dvdnav_status_t dvdnav_current_title_info(dvdnav_t *self, int *title,
+ int *part);
+
+/**
+ * Return a string describing the title. This is an ID string encoded on the
+ * disc byt the author. In many cases this is a descriptive string such as
+ * `<tt>THE_MATRIX</tt>' but sometimes is sigularly uninformative such as
+ * `<tt>PDVD-011421</tt>'.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param title_str Pointer to C-style string to receive a string describing the title.
+ */
+dvdnav_status_t dvdnav_get_title_string(dvdnav_t *self, char **title_str);
+
+/**
+ * Return the current position (in blocks) within the current
+ * part and the length (in blocks) of said part.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param pos Pointer to unsigned int to get the current position.
+ * \param len Pointer to unsinged int to hold the length of the current part.
+ */
+dvdnav_status_t dvdnav_get_position(dvdnav_t *self, unsigned int* pos,
+ unsigned int *len);
+
+/**
+ * Return the current position (in blocks) within the current
+ * title and the length (in blocks) of said title.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param pos Pointer to unsigned int to get the current position.
+ * \param len Pointer to unsinged int to hold the length of the current title.
+ */
+dvdnav_status_t dvdnav_get_position_in_title(dvdnav_t *self,
+ unsigned int* pos,
+ unsigned int *len);
+
+/**
+ * @}
+ */
+
+/**
+ * \defgroup highlight Highlights
+ *
+ * @{
+ */
+
+/**
+ * Get the currently highlighted button
+ * number (1..36) or 0 if no button is highlighed.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param button Pointer to the value to fill in.
+ */
+dvdnav_status_t dvdnav_get_current_highlight(dvdnav_t *self, int* button);
+
+/**
+ * Returns the Presentation Control Information (PCI) structure associated
+ * with the current position.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ *
+ * \sa pci_t (in <tt>libdvdread</tt>)
+ */
+pci_t* dvdnav_get_current_nav_pci(dvdnav_t *self);
+
+/**
+ * Returns the DSI (data seach information) structure associated
+ * with the current position.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ *
+ * \sa pci_t (in <tt>libdvdread</tt>)
+ */
+dsi_t* dvdnav_get_current_nav_dsi(dvdnav_t *self);
+
+/**
+ * Get the area associated with a certain button.
+ *
+ * \param nav_pci Pointer to the PCI structure you may have got via
+ * dvdnav_get_current_nav_pci().
+ *
+ * \param button Button number to query.
+ * \param mode 0..3 -- Button mode to query.
+ * \param highlight Pointer to dvdnav_highlight_area_t to fill in.
+ *
+ * \sa dvdnav_highlight_area_t
+ */
+dvdnav_status_t dvdnav_get_highlight_area(pci_t* nav_pci , int32_t button, int32_t mode,
+ dvdnav_highlight_area_t* highlight);
+
+/**
+ * Move button highlight around as suggested by function name (e.g. with arrow keys).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_upper_button_select(dvdnav_t *self);
+/**
+ * Move button highlight around as suggested by function name (e.g. with arrow keys).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_lower_button_select(dvdnav_t *self);
+/**
+ * Move button highlight around as suggested by function name (e.g. with arrow keys).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_right_button_select(dvdnav_t *self);
+/**
+ * Move button highlight around as suggested by function name (e.g. with arrow keys).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_left_button_select(dvdnav_t *self);
+
+/**
+ * Activate (press) the currently highlighted button.
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+dvdnav_status_t dvdnav_button_activate(dvdnav_t *self);
+
+/**
+ * Highlight a specific button.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param button 1..39 -- Button number to activate.
+ */
+dvdnav_status_t dvdnav_button_select(dvdnav_t *self, int button);
+
+/**
+ * Activate (press) specified button.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param button 1..39 -- Button number to activate.
+ */
+dvdnav_status_t dvdnav_button_select_and_activate(dvdnav_t *self, int button);
+
+/**
+ * Select button at specified (image) co-ordinates.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param x X co-ordinate in image.
+ * \param y Y xo-ordinate in image.
+ */
+dvdnav_status_t dvdnav_mouse_select(dvdnav_t *self, int x, int y);
+
+/**
+ * Activate (press) button at specified co-ordinates.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param x X co-ordinate in image.
+ * \param y Y xo-ordinate in image.
+ */
+dvdnav_status_t dvdnav_mouse_activate(dvdnav_t *self, int x, int y);
+
+/**
+ * @}
+ */
+
+/**
+ * \defgroup languages Languages
+ *
+ * @{
+ */
+
+/**
+ * Set which menu language we should use.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param code 2 char ISO639 Language code in a C-style string.
+ */
+dvdnav_status_t dvdnav_menu_language_select(dvdnav_t *self,
+ char *code);
+
+/**
+ * Set which audio language we should use.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param code 2 char ISO639 Language code in a C-style string.
+ */
+dvdnav_status_t dvdnav_audio_language_select(dvdnav_t *self,
+ char *code);
+
+/**
+ * Set which spu language we should use.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param code 2 char ISO639 Language code in a C-style string.
+ */
+dvdnav_status_t dvdnav_spu_language_select(dvdnav_t *self,
+ char *code);
+
+/**
+ * @}
+ */
+
+/**
+ * \defgroup streams Sub-Picture Unit (Subtitles) and Audio Streams
+ *
+ * All these commands manipulate the audio/subtitle stream numbers that the
+ * player engine thinks is playing. Note that all the streams are still returned
+ * multiplexed by dvdnav_get_next_block(). You should try to make sure that the
+ * MPEG demuxer and the player engine both have the same thoughts on what stream the
+ * user is currently listening to.
+ *
+ * \sa dvdnav_get_next_block()
+ *
+ * @{
+ */
+
+/**
+ * Set a specific PHYSICAL MPEG stream.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param audio 0..7 -- Stream number.
+ */
+dvdnav_status_t dvdnav_physical_audio_stream_change(dvdnav_t *self,
+ int audio);
+
+/**
+ * Set a specific logical audio stream.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param audio 0..7 -- Stream number.
+ */
+dvdnav_status_t dvdnav_logical_audio_stream_change(dvdnav_t *self,
+ int audio);
+
+/**
+ * Set the int pointed to to the current PHYSICAL audio
+ * stream.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param audio Pointer to int which will receive value.
+ */
+dvdnav_status_t dvdnav_get_physical_audio_stream(dvdnav_t *self, int* audio);
+
+/**
+ * Set the int pointed to to the current LOGICAL audio
+ * stream.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param audio Pointer to int which will receive value.
+ */
+dvdnav_status_t dvdnav_get_logical_audio_stream(dvdnav_t *self, int* audio);
+
+/**
+ * Set a specific PHYSICAL MPEG SPU stream and whether it should be
+ * displayed.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param stream 0..31 or 63 (dummy) -- Stram number.
+ * \param display: 0..1 -- Is this actually being displayed?
+ */
+dvdnav_status_t dvdnav_physical_spu_stream_change(dvdnav_t *self,
+ int stream, int display);
+
+/**
+ * Set a specific LOGICAL SPU stream and whether it should be
+ * displayed.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param stream 0..31 or 63 (dummy) -- Stram number.
+ * \param display: 0..1 -- Is this actually being displayed?
+ */
+dvdnav_status_t dvdnav_logical_spu_stream_change(dvdnav_t *self,
+ int stream, int display);
+
+/**
+ * Set the ints pointed to to the current PHYSICAL SPU
+ * stream & display flag.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param stream Pointer which will receive value.
+ * \param display Pointer which will receive value.
+ */
+dvdnav_status_t dvdnav_get_physical_spu_stream(dvdnav_t *self,
+ int* stream, int* display);
+
+/**
+ * Set the ints pointed to to the current LOGICAL SPU
+ * stream & display flag.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param stream Pointer which will receive value.
+ * \param display Pointer which will receive value.
+ */
+dvdnav_status_t dvdnav_get_logical_spu_stream(dvdnav_t *self,
+ int* stream, int* disply);
+
+/**
+ * Converts a *logical* audio stream id into country code
+ * (returns <tt>0xffff</tt> if no such stream).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param stream Stream number
+ */
+uint16_t dvdnav_audio_stream_to_lang(dvdnav_t *self, uint8_t stream);
+
+/**
+ * Converts a *logical* subpicture stream id into country code
+ * (returns <tt>0xffff</tt> if no such stream).
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param stream Stream number
+ */
+uint16_t dvdnav_spu_stream_to_lang(dvdnav_t *self, uint8_t stream);
+
+/**
+ * Converts a *physical* audio stream id into a logical stream number
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param audio_num Stream number
+ */
+int8_t dvdnav_get_audio_logical_stream(dvdnav_t *self, uint8_t audio_num);
+
+/**
+ * Converts a *physical* subpicture stream id into a logical stream number
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param subp_num Stream number
+ */
+int8_t dvdnav_get_spu_logical_stream(dvdnav_t *self, uint8_t subp_num);
+
+/**
+ * Get active spu stream.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+int8_t dvdnav_get_active_spu_stream(dvdnav_t *self);
+
+/**
+ * @}
+ */
+
+/**
+ * \defgroup angles Multiple angles
+ *
+ * The <tt>libdvdnav</tt> library abstracts away the difference between seamless and
+ * non-seamless angles. From the point of view of the programmer you just set the
+ * angle number and all is well in the world.
+ *
+ * \par Note:
+ * It is quite possible that some tremendously strange DVD feature might change the
+ * angle number from under you. Generally you should always view the results from
+ * dvdnav_get_angle_info() as definitive only up to the next time you call
+ * dvdnav_get_next_block().
+ *
+ * @{
+ */
+
+/**
+ * Sets the current angle. If you try to follow a non existant angle
+ * the call fails.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param angle 1..9 -- Currentl angle to follow.
+ */
+dvdnav_status_t dvdnav_angle_change(dvdnav_t *self, int angle);
+
+/**
+ * Returns the current angle and number of angles present.
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \param current_angle Pointer to int which will get the current angle.
+ * \param number_of_angles Pointer to int which will get the number of angles.
+ */
+dvdnav_status_t dvdnav_get_angle_info(dvdnav_t *self, int* current_angle,
+ int *number_of_angles);
+
+/**
+ * FIXME: WTF does this do? -- High qulaity documentation huh?
+ */
+dvdnav_status_t dvdnav_get_cell_info(dvdnav_t *self, int* current_angle,
+ int *number_of_angles);
+
+/**
+ * Returns the still time status from the next cell
+ *
+ * \param self Pointer to dvdnav_t associated with this operation.
+ */
+uint32_t dvdnav_get_next_still_flag(dvdnav_t *self);
+
+/**
+ * @}
+ */
+
+/**
+ * \defgroup domain Domain Queries
+ *
+ * The following functions can be used to query whether we are in
+ * particular domains or not.
+ *
+ * @{
+ */
+
+/**
+ * Are we in the First Play domain. (Menu)
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \returns -1 on failure, 1 if condition is true, 0 if condition is false
+ */
+int8_t dvdnav_is_domain_fp(dvdnav_t *self);
+/**
+ * Are we in the Video management Menu domain. (Menu)
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \returns -1 on failure, 1 if condition is true, 0 if condition is false
+ */
+int8_t dvdnav_is_domain_vmgm(dvdnav_t *self);
+/**
+ * Are we in the Video Title Menu domain (Menu)
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \returns -1 on failure, 1 if condition is true, 0 if condition is false
+ */
+int8_t dvdnav_is_domain_vtsm(dvdnav_t *self);
+/**
+ * Are we in the Video Title domain (playing movie)?
+ * \param self Pointer to dvdnav_t associated with this operation.
+ * \returns -1 on failure, 1 if condition is true, 0 if condition is false
+ */
+int8_t dvdnav_is_domain_vts(dvdnav_t *self);
+
+/**
+ * @}
+ */
+
+/*
+ * The following info appears on the front page of the reference manual. It is
+ * included here to keep it with the main dvdnav source files. The copyright notice
+ * refers to the comments _only_. All machine-readable source code is covered by
+ * the copyright notice at the top of this file.
+ *
+ * Oh, and the official language of the documentation is English --
+ * English English (as in the English spoken in England) not US English.
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* DVDNAV_H_INCLUDED */