/usr/include/lqt/lqt_qtvr.h is in libquicktime-dev 2:1.2.4-11build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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lqt_qtvr.h
libquicktime - A library for reading and writing quicktime/avi/mp4 files.
http://libquicktime.sourceforge.net
Copyright (C) 2002 Heroine Virtual Ltd.
Copyright (C) 2002-2011 Members of the libquicktime project.
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option)
any later version.
This library 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 Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
#ifndef _LQT_QTVR_H_
#define _LQT_QTVR_H_
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#pragma GCC visibility push(default)
/* QTVR stuff */
#define QTVR_PANO_HORZ 1
#define QTVR_PANO_VERT 2
#define QTVR_QTVR_OBJ 1
#define QTVR_QTVR_PAN 2
#define QTVR_OBJ 3
#define QTVR_PAN 4
/* check if the file is a qtvr file */
/* return values: */
/* QTVR_OBJ = file is object movie */
/* QTVR_PAN = file is panorama */
int lqt_is_qtvr(quicktime_t *file);
/* initialize qtvr atoms/track */
/* type: QTVR_OBJ == object movie */
/* QTVR_PAN == panorama movie */
int lqt_qtvr_set_type(quicktime_t *file,
int type,
int width,
int height,
int duration,
int time_scale,
int scene_track);
/* return full dimensions of the movie*/
int lqt_qtvr_get_width(quicktime_t *file);
int lqt_qtvr_get_height(quicktime_t *file);
/* get depth of the movie */
int lqt_qtvr_get_depth(quicktime_t *file);
/* get number of rows/columns */
int lqt_qtvr_get_rows(quicktime_t *file);
int lqt_qtvr_get_columns(quicktime_t *file);
/* set number of columns/rows */
int lqt_qtvr_set_rows(quicktime_t *file, int rows);
int lqt_qtvr_set_columns(quicktime_t *file, int columns);
/* get initial frame to display */
int lqt_qtvr_get_initial_position(quicktime_t *file);
/* panning, tilting, fov, movietype */
/* optional parameters that define player behavior */
/* Object movies: */
/* get/set the panning/zoom settings */
/* starthpan == 0 and endhpan == 360 means continous horiz. panning */
/* Most (all?) object movies use these values: */
/* starthpan = 0 (angle of thehorizontal starting position) */
/* endhpan = 360 */
/* startvpan = 90 */
/* endvpan = -90 */
/* minzoom/maxzoom are ignored */
/* */
/* Note: In Apples Player they affect the mouse sensivity. */
/* Panoramas: */
/* starthpan = 0 */
/* endhpan = 360 */
/* startvpan = ??? */
/* endvpan = ??? */
/* minzoom/maxzoom: restrict zoom levels (Panorama only) */
/* */
/* Note: For panoramas endvpan/startvpan have to be adjusted for every movie */
/* To ignore a parameter set it to NULL */
// TODO: update above
/* get/set panning */
void lqt_qtvr_get_pan(quicktime_t *file, float *minpan, float *maxpan, float *defpan);
void lqt_qtvr_set_pan(quicktime_t *file, float minpan, float maxpan, float defpan);
/* get/set tilting */
void lqt_qtvr_get_tilt(quicktime_t *file, float *mintilt, float *maxtilt, float *deftilt);
void lqt_qtvr_set_tilt(quicktime_t *file, float mintilt, float maxtilt, float deftilt);
/* get/set fov */
void lqt_qtvr_get_fov(quicktime_t *file, float *minfov, float *maxfov, float *deffov);
void lqt_qtvr_set_fov(quicktime_t *file, float minfov, float maxfov, float deffov);
/* get number of loop frames */
int lqt_qtvr_get_loop_frames(quicktime_t *file);
/* movietype
* get/set the controller type
* These controllers are possible:
* QTVR_GRABBER_SCROLLER_UI hand cursor, view rotates in movement direction
* rotation arrows
* QTVR_OLD_JOYSTICK_UI "Joystick interface", rotation against movement
* direction
* QTVR_JOYSTICK_UI "Joystick Interface", rotation in movement direction
* QTVR_GRABBER_UI hand cursor. no rotation arrows
* QTVR_ABSOLUTE_UI absolute interface
*/
int lqt_qtvr_get_movietype(quicktime_t *file);
int lqt_qtvr_set_movietype(quicktime_t *file, int movietype);
/* get object track*/
int lqt_qtvr_get_object_track(quicktime_t *file);
/* get qtvr track*/
int lqt_qtvr_get_qtvr_track(quicktime_t *file);
/* Panorama specific */
/* get/set the dimensions of the player window */
int lqt_qtvr_set_display_width(quicktime_t *file, int width);
int lqt_qtvr_set_display_height(quicktime_t *file, int height);
int lqt_qtvr_get_display_width(quicktime_t *file);
int lqt_qtvr_get_display_height(quicktime_t *file);
/* get panorama track */
int lqt_qtvr_get_panorama_track(quicktime_t *file);
/* get the image track */
int lqt_qtvr_get_image_track(quicktime_t *file);
/* set the scene track */
int lqt_qtvr_set_image_track(quicktime_t *file, int track);
int lqt_qtvr_add_panorama_node(quicktime_t *file);
int lqt_qtvr_add_object_node(quicktime_t *file);
int lqt_qtvr_get_panotype(quicktime_t *file);
#pragma GCC visibility pop
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
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