VLC 4.0.0-dev
vlc_config.h
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1/*****************************************************************************
2 * vlc_config.h: limits and configuration
3 * Defines all compilation-time configuration constants and size limits
4 *****************************************************************************
5 * Copyright (C) 1999-2003 VLC authors and VideoLAN
6 *
7 * Authors: Vincent Seguin <seguin@via.ecp.fr>
8 * Samuel Hocevar <sam@via.ecp.fr>
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
24
25/**
26 * \file
27 * This file defines of values used in interface, vout, aout and vlc core functions.
28 */
29
30/* Conventions regarding names of symbols and variables
31 * ----------------------------------------------------
32 *
33 * - Symbols should begin with a prefix indicating in which module they are
34 * used, such as INTF_, VOUT_ or AOUT_.
35 */
36
37/*****************************************************************************
38 * General configuration
39 *****************************************************************************/
40
41/* All timestamp below or equal to this define are invalid/unset
42 * XXX the numerical value is 0 because of historical reason and will change.*/
43#define VLC_TICK_INVALID INT64_C(0)
44#define VLC_TICK_0 INT64_C(1)
45
46#define CLOCK_FREQ INT64_C(1000000)
47
48/*****************************************************************************
49 * Interface configuration
50 *****************************************************************************/
51
52/* Base delay in micro second for interface sleeps */
53#define INTF_IDLE_SLEEP VLC_TICK_FROM_MS(50)
54
55/*****************************************************************************
56 * Input thread configuration
57 *****************************************************************************/
58
59/* Used in ErrorThread */
60#define INPUT_IDLE_SLEEP VLC_TICK_FROM_MS(100)
61
62/*
63 * General limitations
64 */
65
66/* Duration between the time we receive the data packet, and the time we will
67 * mark it to be presented */
68#define DEFAULT_PTS_DELAY VLC_TICK_FROM_MS(300)
69
70/*****************************************************************************
71 * Video configuration
72 *****************************************************************************/
73
74/*
75 * Default settings for video output threads
76 */
77
78/* Multiplier value for aspect ratio calculation (2^7 * 3^3 * 5^3) */
79#define VOUT_ASPECT_FACTOR 432000
80
81/* Maximum width of a scaled source picture - this should be relatively high,
82 * since higher stream values will result in no display at all. */
83#define VOUT_MAX_WIDTH 4096
84
85/* Number of planes in a picture */
86#define VOUT_MAX_PLANES 5
87
88/*
89 * Time settings
90 */
91
92/* Time to sleep when waiting for a buffer (from vout or the video fifo).
93 * It should be approximately the time needed to perform a complete picture
94 * loop. Since it only happens when the video heap is full, it does not need
95 * to be too low, even if it blocks the decoder. */
96#define VOUT_OUTMEM_SLEEP VLC_TICK_FROM_MS(20)
97
98/* The default video output window title */
99#define VOUT_TITLE "VLC"
vlc_common.h
This file is a collection of common definitions and types.