00001 /***************************************************************************** 00002 * vlc_config.h: limits and configuration 00003 * Defines all compilation-time configuration constants and size limits 00004 ***************************************************************************** 00005 * Copyright (C) 1999-2003 the VideoLAN team 00006 * 00007 * Authors: Vincent Seguin <[email protected]> 00008 * Samuel Hocevar <[email protected]> 00009 * 00010 * This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. 00014 * 00015 * This program is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 * GNU General Public License for more details. 00019 * 00020 * You should have received a copy of the GNU General Public License 00021 * along with this program; if not, write to the Free Software 00022 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. 00023 *****************************************************************************/ 00024 00025 /* Conventions regarding names of symbols and variables 00026 * ---------------------------------------------------- 00027 * 00028 * - Symbols should begin with a prefix indicating in which module they are 00029 * used, such as INTF_, VOUT_ or AOUT_. 00030 */ 00031 00032 /***************************************************************************** 00033 * General configuration 00034 *****************************************************************************/ 00035 00036 #define CLOCK_FREQ 1000000 00037 00038 00039 /* When creating or destroying threads in blocking mode, delay to poll thread 00040 * status */ 00041 #define THREAD_SLEEP ((mtime_t)(0.010*CLOCK_FREQ)) 00042 00043 /* When a thread waits on a condition in debug mode, delay to wait before 00044 * outputting an error message (in second) */ 00045 #define THREAD_COND_TIMEOUT 1 00046 00047 /* The configuration file and directory */ 00048 #ifdef SYS_BEOS 00049 # define CONFIG_DIR "config/settings/VideoLAN Client" 00050 #elif SYS_DARWIN 00051 # define CONFIG_DIR "Library/Preferences/VLC" 00052 #elif defined( WIN32 ) || defined( UNDER_CE ) 00053 # define CONFIG_DIR "vlc" 00054 #else 00055 # define CONFIG_DIR ".vlc" 00056 #endif 00057 #define CONFIG_FILE "vlcrc" 00058 #define PLUGINSCACHE_DIR "cache" 00059 00060 /***************************************************************************** 00061 * Interface configuration 00062 *****************************************************************************/ 00063 00064 /* Base delay in micro second for interface sleeps */ 00065 #define INTF_IDLE_SLEEP ((mtime_t)(0.050*CLOCK_FREQ)) 00066 00067 /* Step for changing gamma, and minimum and maximum values */ 00068 #define INTF_GAMMA_STEP .1 00069 #define INTF_GAMMA_LIMIT 3 00070 00071 /***************************************************************************** 00072 * Input thread configuration 00073 *****************************************************************************/ 00074 00075 /* Used in ErrorThread */ 00076 #define INPUT_IDLE_SLEEP ((mtime_t)(0.100*CLOCK_FREQ)) 00077 00078 /* Time to wait in case of read error */ 00079 #define INPUT_ERROR_SLEEP ((mtime_t)(0.10*CLOCK_FREQ)) 00080 00081 /* Number of read() calls needed until we check the file size through 00082 * fstat() */ 00083 #define INPUT_FSTAT_NB_READS 10 00084 00085 /* 00086 * General limitations 00087 */ 00088 00089 /* Duration between the time we receive the data packet, and the time we will 00090 * mark it to be presented */ 00091 #define DEFAULT_PTS_DELAY (mtime_t)(.3*CLOCK_FREQ) 00092 00093 /* DVD and VCD devices */ 00094 #if !defined( WIN32 ) && !defined( UNDER_CE ) 00095 # define VCD_DEVICE "/dev/cdrom" 00096 # define CDAUDIO_DEVICE "/dev/cdrom" 00097 #else 00098 # define VCD_DEVICE "D:" 00099 # define CDAUDIO_DEVICE "D:" 00100 #endif 00101 00102 /***************************************************************************** 00103 * Audio configuration 00104 *****************************************************************************/ 00105 00106 /* Volume */ 00107 #define AOUT_VOLUME_DEFAULT 256 00108 #define AOUT_VOLUME_STEP 32 00109 #define AOUT_VOLUME_MAX 1024 00110 #define AOUT_VOLUME_MIN 0 00111 00112 /* Max number of pre-filters per input, and max number of post-filters */ 00113 #define AOUT_MAX_FILTERS 10 00114 00115 /* Max number of inputs */ 00116 #define AOUT_MAX_INPUTS 5 00117 00118 /* Buffers which arrive in advance of more than AOUT_MAX_ADVANCE_TIME 00119 * will be considered as bogus and be trashed */ 00120 #define AOUT_MAX_ADVANCE_TIME (mtime_t)(DEFAULT_PTS_DELAY * 3) 00121 00122 /* Buffers which arrive in advance of more than AOUT_MAX_PREPARE_TIME 00123 * will cause the calling thread to sleep */ 00124 #define AOUT_MAX_PREPARE_TIME (mtime_t)(.5*CLOCK_FREQ) 00125 00126 /* Buffers which arrive after pts - AOUT_MIN_PREPARE_TIME will be trashed 00127 * to avoid too heavy resampling */ 00128 #define AOUT_MIN_PREPARE_TIME (mtime_t)(.04*CLOCK_FREQ) 00129 00130 /* Max acceptable delay between the coded PTS and the actual presentation 00131 * time, without resampling */ 00132 #define AOUT_PTS_TOLERANCE (mtime_t)(.04*CLOCK_FREQ) 00133 00134 /* Max acceptable resampling (in %) */ 00135 #define AOUT_MAX_RESAMPLING 10 00136 00137 /***************************************************************************** 00138 * Video configuration 00139 *****************************************************************************/ 00140 00141 /* 00142 * Default settings for video output threads 00143 */ 00144 00145 /* Multiplier value for aspect ratio calculation (2^7 * 3^3 * 5^3) */ 00146 #define VOUT_ASPECT_FACTOR 432000 00147 00148 /* Maximum width of a scaled source picture - this should be relatively high, 00149 * since higher stream values will result in no display at all. */ 00150 #define VOUT_MAX_WIDTH 4096 00151 00152 /* Number of planes in a picture */ 00153 #define VOUT_MAX_PLANES 5 00154 00155 /* Video heap size - remember that a decompressed picture is big 00156 * (~1 Mbyte) before using huge values */ 00157 #ifdef OPTIMIZE_MEMORY 00158 # define VOUT_MAX_PICTURES 5 00159 #else 00160 # define VOUT_MAX_PICTURES 8 00161 #endif 00162 00163 /* Minimum number of direct pictures the video output will accept without 00164 * creating additional pictures in system memory */ 00165 #define VOUT_MIN_DIRECT_PICTURES 6 00166 00167 /* Number of simultaneous subpictures */ 00168 #define VOUT_MAX_SUBPICTURES 8 00169 00170 /* Statistics are displayed every n loops (=~ pictures) */ 00171 #define VOUT_STATS_NB_LOOPS 100 00172 00173 /* 00174 * Time settings 00175 */ 00176 00177 /* Time during which the thread will sleep if it has nothing to 00178 * display (in micro-seconds) */ 00179 #define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ)) 00180 00181 /* Maximum lap of time allowed between the beginning of rendering and 00182 * display. If, compared to the current date, the next image is too 00183 * late, the thread will perform an idle loop. This time should be 00184 * at least VOUT_IDLE_SLEEP plus the time required to render a few 00185 * images, to avoid trashing of decoded images */ 00186 #define VOUT_DISPLAY_DELAY ((int)(0.200*CLOCK_FREQ)) 00187 00188 /* Pictures which are VOUT_BOGUS_DELAY or more in advance probably have 00189 * a bogus PTS and won't be displayed */ 00190 #define VOUT_BOGUS_DELAY ((mtime_t)(DEFAULT_PTS_DELAY * 30)) 00191 00192 /* Delay (in microseconds) before an idle screen is displayed */ 00193 #define VOUT_IDLE_DELAY (5*CLOCK_FREQ) 00194 00195 /* Number of pictures required to computes the FPS rate */ 00196 #define VOUT_FPS_SAMPLES 20 00197 00198 /* Better be in advance when awakening than late... */ 00199 #define VOUT_MWAIT_TOLERANCE ((mtime_t)(0.020*CLOCK_FREQ)) 00200 00201 /* Time to sleep when waiting for a buffer (from vout or the video fifo). 00202 * It should be approximately the time needed to perform a complete picture 00203 * loop. Since it only happens when the video heap is full, it does not need 00204 * to be too low, even if it blocks the decoder. */ 00205 #define VOUT_OUTMEM_SLEEP ((mtime_t)(0.020*CLOCK_FREQ)) 00206 00207 /* The default video output window title */ 00208 #define VOUT_TITLE "VLC" 00209 00210 /***************************************************************************** 00211 * Messages and console interfaces configuration 00212 *****************************************************************************/ 00213 00214 /* Maximal size of a message to be stored in the mesage queue, 00215 * it is needed when vasprintf is not available */ 00216 #define INTF_MAX_MSG_SIZE 512 00217 00218 /* Maximal size of the message queue - in case of overflow, all messages in the 00219 * queue are printed, but not sent to the threads */ 00220 #define VLC_MSG_QSIZE 256 00221 00222 /* Maximal depth of the object tree output by vlc_dumpstructure */ 00223 #define MAX_DUMPSTRUCTURE_DEPTH 100
1.4.2