tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/*
2 * video_out.h
3 * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
4 * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
5 *
6 * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
7 * See http://libmpeg2.sourceforge.net/ for updates.
8 *
9 * mpeg2dec is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * mpeg2dec is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 * $Id$
24 * libmpeg2 sync history:
25 * 2008-07-01 - CVS revision 1.22
26 */
27
28#ifndef VIDEO_OUT_H
29#define VIDEO_OUT_H
30
31#if LCD_WIDTH >= LCD_HEIGHT
32#define SCREEN_WIDTH LCD_WIDTH
33#define SCREEN_HEIGHT LCD_HEIGHT
34#define LCD_LANDSCAPE
35#else /* Assume the screen is rotated on portrait LCDs */
36#define SCREEN_WIDTH LCD_HEIGHT
37#define SCREEN_HEIGHT LCD_WIDTH
38#define LCD_PORTRAIT
39#endif
40
41/* Structure to hold width and height values */
42struct vo_ext
43{
44 int w, h;
45};
46
47/* Structure that defines a rectangle by its edges */
48struct vo_rect
49{
50 int l, t, r, b;
51};
52
53void vo_draw_frame (uint8_t * const * buf);
54bool vo_draw_frame_thumb (uint8_t * const * buf,
55 const struct vo_rect *rc);
56bool vo_init (void);
57bool vo_show (bool show);
58bool vo_is_visible(void);
59void vo_setup (const mpeg2_sequence_t * sequence);
60void vo_set_clip_rect(const struct vo_rect *rc);
61bool vo_get_clip_rect(struct vo_rect *rc);
62void vo_dimensions(struct vo_ext *sz);
63void vo_cleanup (void);
64void vo_set_post_draw_callback(void (*cb)(void));
65
66#if NUM_CORES > 1
67void vo_lock(void);
68void vo_unlock(void);
69#else
70static inline void vo_lock(void) {}
71static inline void vo_unlock(void) {}
72#endif
73
74/* Sets all coordinates of a vo_rect to 0 */
75void vo_rect_clear(struct vo_rect *rc);
76/* Returns true if left >= right or top >= bottom */
77bool vo_rect_empty(const struct vo_rect *rc);
78/* Initializes a vo_rect using upper-left corner and extents */
79void vo_rect_set_ext(struct vo_rect *rc, int x, int y,
80 int width, int height);
81/* Query if two rectangles intersect
82 * If either are empty returns false */
83bool vo_rects_intersect(const struct vo_rect *rc1,
84 const struct vo_rect *rc2);
85
86/* Intersect two rectangles
87 * Resulting rectangle is placed in rc_dst.
88 * rc_dst is set to empty if they don't intersect.
89 * Empty source rectangles do not intersect any rectangle.
90 * rc_dst may be the same structure as rc1 or rc2.
91 * Returns true if the resulting rectangle is not empty. */
92bool vo_rect_intersect(struct vo_rect *rc_dst,
93 const struct vo_rect *rc1,
94 const struct vo_rect *rc2);
95
96bool vo_rect_union(struct vo_rect *rc_dst,
97 const struct vo_rect *rc1,
98 const struct vo_rect *rc2);
99
100void vo_rect_offset(struct vo_rect *rc, int dx, int dy);
101
102#endif /* VIDEO_OUT_H */