VLC  3.0.15
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_TS_INVALID INT64_C(0)
44 #define VLC_TS_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 (CLOCK_FREQ/20)
54 
55 /*****************************************************************************
56  * Input thread configuration
57  *****************************************************************************/
58 
59 /* Used in ErrorThread */
60 #define INPUT_IDLE_SLEEP (CLOCK_FREQ/10)
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 (3*CLOCK_FREQ/10)
69 
70 /*****************************************************************************
71  * SPU configuration
72  *****************************************************************************/
73 
74 /* Buffer must avoid arriving more than SPU_MAX_PREPARE_TIME in advanced to
75  * the SPU */
76 #define SPU_MAX_PREPARE_TIME (CLOCK_FREQ/2)
77 
78 /*****************************************************************************
79  * Video configuration
80  *****************************************************************************/
81 
82 /*
83  * Default settings for video output threads
84  */
85 
86 /* Multiplier value for aspect ratio calculation (2^7 * 3^3 * 5^3) */
87 #define VOUT_ASPECT_FACTOR 432000
88 
89 /* Maximum width of a scaled source picture - this should be relatively high,
90  * since higher stream values will result in no display at all. */
91 #define VOUT_MAX_WIDTH 4096
92 
93 /* Number of planes in a picture */
94 #define VOUT_MAX_PLANES 5
95 
96 /*
97  * Time settings
98  */
99 
100 /* Time to sleep when waiting for a buffer (from vout or the video fifo).
101  * It should be approximately the time needed to perform a complete picture
102  * loop. Since it only happens when the video heap is full, it does not need
103  * to be too low, even if it blocks the decoder. */
104 #define VOUT_OUTMEM_SLEEP (CLOCK_FREQ/50)
105 
106 /* The default video output window title */
107 #define VOUT_TITLE "VLC"
108 
109 /*****************************************************************************
110  * Messages and console interfaces configuration
111  *****************************************************************************/
112 
113 /* Maximal depth of the object tree output by vlc_dumpstructure */
114 #define MAX_DUMPSTRUCTURE_DEPTH 100
vlc_common.h
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