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 100 115