/***************************************************************************** * vlc_config.h: limits and configuration * Defines all compilation-time configuration constants and size limits ***************************************************************************** * Copyright (C) 1999-2003 the VideoLAN team * * Authors: Vincent Seguin * Samuel Hocevar * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /** * \file * This file defines of values used in interface, vout, aout and vlc core functions. */ /* Conventions regarding names of symbols and variables * ---------------------------------------------------- * * - Symbols should begin with a prefix indicating in which module they are * used, such as INTF_, VOUT_ or AOUT_. */ /***************************************************************************** * General configuration *****************************************************************************/ /* All timestamp below or equal to this define are invalid/unset * XXX the numerical value is 0 because of historical reason and will change.*/ #define VLC_TS_INVALID (0) #define VLC_TS_0 (1) #define CLOCK_FREQ INT64_C(1000000) /***************************************************************************** * Interface configuration *****************************************************************************/ /* Base delay in micro second for interface sleeps */ #define INTF_IDLE_SLEEP (CLOCK_FREQ/20) /* Step for changing gamma, and minimum and maximum values */ #define INTF_GAMMA_STEP .1 #define INTF_GAMMA_LIMIT 3 /***************************************************************************** * Input thread configuration *****************************************************************************/ #define DEFAULT_INPUT_ACTIVITY 1 #define TRANSCODE_ACTIVITY 10 /* Used in ErrorThread */ #define INPUT_IDLE_SLEEP (CLOCK_FREQ/10) /* Number of read() calls needed until we check the file size through * fstat() */ #define INPUT_FSTAT_NB_READS 16 /* * General limitations */ /* Duration between the time we receive the data packet, and the time we will * mark it to be presented */ #define DEFAULT_PTS_DELAY (3*CLOCK_FREQ/10) /* DVD and VCD devices */ #if !defined( WIN32 ) && !defined( UNDER_CE ) #if defined(__OpenBSD__) # define CD_DEVICE "/dev/cd0c" # define DVD_DEVICE "/dev/cd0c" #else # define CD_DEVICE "/dev/cdrom" # define DVD_DEVICE "/dev/dvd" #endif #else # define CD_DEVICE "D:" # define DVD_DEVICE NULL #endif #define VCD_DEVICE CD_DEVICE #define CDAUDIO_DEVICE CD_DEVICE /***************************************************************************** * Audio configuration *****************************************************************************/ /* Volume */ /* If you are coding an interface, please see src/audio_output/intf.c */ #define AOUT_VOLUME_DEFAULT 256 #define AOUT_VOLUME_STEP 32 #define AOUT_VOLUME_MAX 1024 #define AOUT_VOLUME_MIN 0 /* Max number of pre-filters per input, and max number of post-filters */ #define AOUT_MAX_FILTERS 10 /* Max number of inputs */ #define AOUT_MAX_INPUTS 5 /* Buffers which arrive in advance of more than AOUT_MAX_ADVANCE_TIME * will be considered as bogus and be trashed */ #define AOUT_MAX_ADVANCE_TIME (DEFAULT_PTS_DELAY * 5) /* Buffers which arrive in advance of more than AOUT_MAX_PREPARE_TIME * will cause the calling thread to sleep */ #define AOUT_MAX_PREPARE_TIME (CLOCK_FREQ/2) /* Buffers which arrive after pts - AOUT_MIN_PREPARE_TIME will be trashed * to avoid too heavy resampling */ #define AOUT_MIN_PREPARE_TIME (CLOCK_FREQ/25) /* Max acceptable delay between the coded PTS and the actual presentation * time, without resampling */ #define AOUT_PTS_TOLERANCE (CLOCK_FREQ/25) /* Max acceptable resampling (in %) */ #define AOUT_MAX_RESAMPLING 10 /***************************************************************************** * SPU configuration *****************************************************************************/ /* Buffer must avoid arriving more than SPU_MAX_PREPARE_TIME in advanced to * the SPU */ #define SPU_MAX_PREPARE_TIME (CLOCK_FREQ/2) /***************************************************************************** * Video configuration *****************************************************************************/ /* * Default settings for video output threads */ /* Multiplier value for aspect ratio calculation (2^7 * 3^3 * 5^3) */ #define VOUT_ASPECT_FACTOR 432000 /* Maximum width of a scaled source picture - this should be relatively high, * since higher stream values will result in no display at all. */ #define VOUT_MAX_WIDTH 4096 /* Number of planes in a picture */ #define VOUT_MAX_PLANES 5 /* Video heap size - remember that a decompressed picture is big * (~1 Mbyte) before using huge values */ #define VOUT_MAX_PICTURES 25 /* * Time settings */ /* Time to sleep when waiting for a buffer (from vout or the video fifo). * It should be approximately the time needed to perform a complete picture * loop. Since it only happens when the video heap is full, it does not need * to be too low, even if it blocks the decoder. */ #define VOUT_OUTMEM_SLEEP (CLOCK_FREQ/50) /* The default video output window title */ #define VOUT_TITLE "VLC" /***************************************************************************** * Messages and console interfaces configuration *****************************************************************************/ /* Maximal size of a message to be stored in the mesage queue, * it is needed when vasprintf is not available */ #define INTF_MAX_MSG_SIZE 512 /* Maximal size of the message queue - in case of overflow, all messages in the * queue are printed, but not sent to the threads */ #define VLC_MSG_QSIZE 256 /* Maximal depth of the object tree output by vlc_dumpstructure */ #define MAX_DUMPSTRUCTURE_DEPTH 100