mirror of https://code.videolan.org/videolan/vlc
462 lines
17 KiB
C
462 lines
17 KiB
C
/*****************************************************************************
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* config.h: limits and configuration
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* Defines all compilation-time configuration constants and size limits
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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*
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* Authors: Vincent Seguin <seguin@via.ecp.fr>
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* Samuel Hocevar <sam@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/* Conventions regarding names of symbols and variables
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* ----------------------------------------------------
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*
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* - Symbols should begin with a prefix indicating in which module they are
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* used, such as INTF_, VOUT_ or ADEC_.
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*
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* - Regarding environment variables, which are used as initialization
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* parameters for threads :
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* + variable names should end with '_VAR'
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* + environment variable default value should end with '_DEFAULT'
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* + values having a special meaning with '_VAL'
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*
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*/
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/*****************************************************************************
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* Program information
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*****************************************************************************/
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/* Program version and copyright message */
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#define VERSION_MESSAGE "vlc @VLC_VERSION@ @VLC_CODENAME@ " \
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/* "(" PROGRAM_BUILD ") (" PROGRAM_OPTIONS ")\n" */ \
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"Copyright 1996-2000 VideoLAN\n"
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#define COPYRIGHT_MESSAGE "VideoLAN Client - version @VLC_VERSION@" \
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" @VLC_CODENAME@ - (c)1996-2000 VideoLAN\n"
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#define VERSION "@VLC_VERSION@"
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/*****************************************************************************
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* General compilation options
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*****************************************************************************/
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/* Define for DVB support - Note that some extensions or restrictions may be
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* incompatible with native MPEG2 streams */
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//#define DVB_EXTENSIONS
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//#define DVB_RESTRICTIONS
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/* Define to disable some obscure heuristics behind the video_parser and the
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* video_decoder that improve performance but are not fully MPEG2 compliant
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* and might cause problems with some very weird streams. */
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//#define MPEG2_COMPLIANT
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/* Define for profiling and statistics support - such informations, like FPS
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* or pictures count won't be available if it not set */
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/* #define STATS --moved in Makefile */
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/* Define for unthreaded version of the program FIXME: not yet implemented ??*/
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//#define NO_THREAD
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/*****************************************************************************
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* Debugging options - define or undefine symbols
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*****************************************************************************/
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#if DEBUG == 1
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/* General debugging support, which depends of the DEBUG define, is determined
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* in the Makefile */
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/* Modules specific debugging - this will produce a lot of output, but can be
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* usefull to track a bug */
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//#define DEBUG_INTF
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//#define DEBUG_INPUT
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//#define DEBUG_AUDIO
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#define DEBUG_VOUT
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#define DEBUG_VPAR
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/* Debugging log file - if defined, a file can be used to store all messages. If
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* DEBUG_LOG_ONLY is defined, debug messages will only be printed to the log and
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* will not appear on the screen */
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#define DEBUG_LOG "vlc-debug.log"
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#define DEBUG_LOG_ONLY
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#endif
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/*****************************************************************************
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* General configuration
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*****************************************************************************/
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#define CLOCK_FREQ 1000000
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/* Automagically spawn input, audio and video threads ? */
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/* XXX?? used ? */
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#define AUTO_SPAWN
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/* When creating or destroying threads in blocking mode, delay to poll thread
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* status */
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#define THREAD_SLEEP ((int)(0.010*CLOCK_FREQ))
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/*
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* Decoders FIFO configuration
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*/
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/* Size of the FIFO. FIFO_SIZE+1 must be a power of 2 */
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#define FIFO_SIZE 1023
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/*
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* Paths
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*/
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#define DATA_PATH "@prefix@/share/videolan"
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#define PLUGIN_PATH "@prefix@/lib/videolan/vlc"
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#define MAX_PLUGIN_COUNT 32
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/*****************************************************************************
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* Interface configuration
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*****************************************************************************/
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/* Environment variable used to store startup script name and default value */
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#define INTF_INIT_SCRIPT_VAR "vlcrc"
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#define INTF_INIT_SCRIPT_DEFAULT ".vlcrc"
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/* Environment variable used to store channels file and default value */
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#define INTF_CHANNELS_VAR "vlc_channels"
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#define INTF_CHANNELS_DEFAULT "vlc.channels"
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/* Base delay in micro second for interface sleeps */
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#define INTF_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
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/* Step for changing gamma, and minimum and maximum values */
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#define INTF_GAMMA_STEP .1
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#define INTF_GAMMA_LIMIT 3
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/* Maximum number of channels */
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#define INTF_MAX_CHANNELS 10
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/*
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* X11 settings
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*/
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/* Title of the X11 window */
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#define VOUT_TITLE "VideoLAN Client"
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/*****************************************************************************
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* Input thread configuration
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*****************************************************************************/
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/* XXX?? */
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#define INPUT_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
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/*
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* General limitations
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*/
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/* Broadcast address, in case of a broadcasted stream */
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#define INPUT_BCAST_ADDR "138.195.143.255"
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/* Maximum number of input threads - this value is used exclusively by
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* interface, and is in fact an interface limitation */
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#define INPUT_MAX_THREADS 10
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/* Maximum number of programs definitions in a TS stream */
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#define INPUT_MAX_PGRM 10
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/* Maximum number of ES definitions in a TS stream */
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#define INPUT_MAX_ES 10
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/* Maximum number of ES in a single program */
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#define INPUT_MAX_PROGRAM_ES 10
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/* Maximum number of selected ES in an input thread */
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#define INPUT_MAX_SELECTED_ES 10
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/* Maximum number of TS packets in the client at any time
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* INPUT_MAX_TS + 1 must be a power of 2, to optimize the %(INPUT_MAX_TS+1)
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* operation with a &INPUT_MAX_TS in the case of a fifo netlist.
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* It should be > number of fifos * FIFO_SIZE to avoid input deadlock. */
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#define INPUT_MAX_TS 32767 /* INPUT_MAX_TS + 1 = 2^15 */
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/* Same thing with PES packets */
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#define INPUT_MAX_PES 16383
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/* Maximum number of TS packets we read from the socket in one readv().
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* Since you can't put more than 7 TS packets in an Ethernet frame,
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* the maximum value is 7. This number should also limit the stream server,
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* otherwise any supplementary packet is lost. */
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#define INPUT_TS_READ_ONCE 7
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/* Use a LIFO or FIFO for TS netlist ? */
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#undef INPUT_LIFO_TS_NETLIST
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/* Use a LIFO or FIFO for PES netlist ? */
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#undef INPUT_LIFO_PES_NETLIST
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/* Maximum length of a hostname or source name */
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#define INPUT_MAX_SOURCE_LENGTH 100
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/* Default remote server */
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#define INPUT_SERVER_VAR "vlc_server"
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#define INPUT_SERVER_DEFAULT "138.195.143.220"
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/* Default input port */
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#define INPUT_PORT_VAR "vlc_server_port"
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#define INPUT_PORT_DEFAULT 1234
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/* Broadcast mode */
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#define INPUT_BROADCAST_VAR "vlc_broadcast"
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#define INPUT_BROADCAST_DEFAULT 0
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/*
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* Vlan method
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*/
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/* Default network interface and environment variable */
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#define INPUT_IFACE_VAR "vlc_iface"
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#define INPUT_IFACE_DEFAULT "eth0"
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/* Default server and port */
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#define INPUT_VLAN_SERVER_VAR "vlc_vlan_server"
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#define INPUT_VLAN_SERVER_DEFAULT "138.195.140.31"
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#define INPUT_VLAN_PORT_VAR "vlc_vlan_port"
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#define INPUT_VLAN_PORT_DEFAULT 6010
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/* Delay between vlan changes - this is required to avoid flooding the VLAN
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* server */
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#define INPUT_VLAN_CHANGE_DELAY (5*CLOCK_FREQ)
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/* Duration between the time we receive the TS packet, and the time we will
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* mark it to be presented */
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#define DEFAULT_PTS_DELAY (.5*CLOCK_FREQ)
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#define INPUT_DVD_AUDIO_VAR "vlc_dvd_audio"
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#define INPUT_DVD_CHANNEL_VAR "vlc_dvd_channel"
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#define INPUT_DVD_SUBTITLE_VAR "vlc_dvd_subtitle"
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/*****************************************************************************
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* Audio configuration
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*****************************************************************************/
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/* Environment variable containing the audio output method */
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#define AOUT_METHOD_VAR "vlc_aout"
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/* The fallback method */
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#define AOUT_DEFAULT_METHOD "dsp"
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/* Environment variable used to store dsp device name, and default value */
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#define AOUT_DSP_VAR "vlc_dsp"
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#define AOUT_DSP_DEFAULT "/dev/dsp"
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/* Environment variable for stereo, and default value */
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#define AOUT_STEREO_VAR "vlc_stereo"
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#define AOUT_STEREO_DEFAULT 1
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/* Environment variable for output rate, and default value */
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#define AOUT_RATE_VAR "vlc_audio_rate"
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#define AOUT_RATE_DEFAULT 44100
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/*****************************************************************************
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* Video configuration
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*****************************************************************************/
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/*
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* Default settings for video output threads
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*/
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/* Environment variable containing the display method */
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#define VOUT_METHOD_VAR "vlc_vout"
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/* Environment variable containing the YUV method */
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#define YUV_METHOD_VAR "vlc_yuv"
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/* The fallback method */
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#define VOUT_DEFAULT_METHOD "x11"
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/* Environment variable used in place of DISPLAY if available */
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#define VOUT_DISPLAY_VAR "vlc_display"
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/* Default dimensions for display window - these dimensions are enough for the
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* standard width and height broadcasted MPEG-2 streams or DVDs */
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#define VOUT_WIDTH_VAR "vlc_width"
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#define VOUT_HEIGHT_VAR "vlc_height"
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#define VOUT_WIDTH_DEFAULT 720
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#define VOUT_HEIGHT_DEFAULT 576
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/* Maximum width of a scaled source picture - this should be relatively high,
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* since higher stream values will result in no display at all. */
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#define VOUT_MAX_WIDTH 4096
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/* Video heap size - remember that a decompressed picture is big
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* (~1 Mbyte) before using huge values */
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#define VOUT_MAX_PICTURES 10
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/* Number of simultaneous subpictures */
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#define VOUT_MAX_SUBPICTURES 10
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/* Maximum number of active areas in a rendering buffer. Active areas are areas
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* of the picture which need to be cleared before re-using the buffer. If a
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* picture, including its many additions such as subtitles, additionnal user
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* informations and interface, has too many active areas, some of them are
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* joined. */
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#define VOUT_MAX_AREAS 5
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/* Environment variable for grayscale output mode, and default value */
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#define VOUT_GRAYSCALE_VAR "vlc_grayscale"
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#define VOUT_GRAYSCALE_DEFAULT 0
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/* Default gamma */
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#define VOUT_GAMMA 0.
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/* Default fonts */
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#define VOUT_DEFAULT_FONT "default8x9.psf"
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#define VOUT_LARGE_FONT "default8x16.psf"
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/* Statistics are displayed every n loops (=~ pictures) */
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#define VOUT_STATS_NB_LOOPS 100
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/*
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* Time settings
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*/
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/* Time during which the thread will sleep if it has nothing to
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* display (in micro-seconds) */
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#define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
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/* Maximum lap of time allowed between the beginning of rendering and
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* display. If, compared to the current date, the next image is too
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* late, the thread will perform an idle loop. This time should be
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* at least VOUT_IDLE_SLEEP plus the time required to render a few
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* images, to avoid trashing of decoded images */
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#define VOUT_DISPLAY_DELAY ((int)(0.500*CLOCK_FREQ))
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/* Delay (in microseconds) before an idle screen is displayed */
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#define VOUT_IDLE_DELAY (5*CLOCK_FREQ)
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/* Number of pictures required to computes the FPS rate */
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#define VOUT_FPS_SAMPLES 20
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/* Better be in advance when awakening than late... */
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#define VOUT_MWAIT_TOLERANCE ((int)(0.020*CLOCK_FREQ))
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/*
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* Framebuffer settings
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*/
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/* Environment variable for framebuffer device, and default value */
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#define VOUT_FB_DEV_VAR "vlc_fb_dev"
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#define VOUT_FB_DEV_DEFAULT "/dev/fb0"
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/* Some frame buffers aren't able to support double buffering.
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* We don't want to lose one frame out of 2, so we may set the
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* FB_NOYPAN
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*/
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// #define FB_NOYPAN
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/*****************************************************************************
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* Video parser configuration
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*****************************************************************************/
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#define VPAR_IDLE_SLEEP ((int)(0.010*CLOCK_FREQ))
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/* Time to sleep when waiting for a buffer (from vout or the video fifo).
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* It should be approximately the time needed to perform a complete picture
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* loop. Since it only happens when the video heap is full, it does not need
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* to be too low, even if it blocks the decoder. */
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#define VPAR_OUTMEM_SLEEP ((int)(0.020*CLOCK_FREQ))
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/* Optimization level, from 0 to 2 - 1 is generally a good compromise. Remember
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* that raising this level dramatically lengthens the compilation time. */
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#define VPAR_OPTIM_LEVEL 2
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/* The following directives only apply if you define VDEC_SMP below. */
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/* Number of macroblock buffers available. It should be always greater than
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* twice the number of macroblocks in a picture. VFIFO_SIZE + 1 should also
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* be a power of two. */
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#define VFIFO_SIZE 8191
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/* Maximum number of macroblocks in a picture. */
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#define MAX_MB 2048
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/* The synchro variable name */
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#define VPAR_SYNCHRO_VAR "vlc_synchro"
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/*****************************************************************************
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* Video decoder configuration
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*****************************************************************************/
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//#define VDEC_SMP
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#define VDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
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/* Number of video_decoder threads to launch on startup of the video_parser.
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* It should always be less than half the number of macroblocks of a
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* picture. Only available if you defined VDEC_SMP above. */
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#define NB_VDEC 1
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/* Maximum range of values out of the IDCT + motion compensation. */
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#define VDEC_CROPRANGE 2048
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/* Nice increments for decoders -- necessary for x11 scheduling */
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#define VDEC_NICE 3
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/*****************************************************************************
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* Generic decoder configuration
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*****************************************************************************/
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#define GDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
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/*****************************************************************************
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* Messages and console interfaces configuration
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*****************************************************************************/
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/* Maximal size of a message to be stored in the mesage queue,
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* it is needed when vasprintf is not avalaible */
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#define INTF_MAX_MSG_SIZE 512
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/* Maximal size of the message queue - in case of overflow, all messages in the
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* queue are printed by the calling thread */
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#define INTF_MSG_QSIZE 64
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/* Interface warnig message level */
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#define INTF_WARNING_VAR "warning_level"
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#define INTF_WARNING_DEFAULT 12
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/* Define to enable messages queues - disabling messages queue can be usefull
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* when debugging, since it allows messages which would not otherwise be printed,
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* due to a crash, to be printed anyway */
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#ifndef DEBUG
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#define INTF_MSG_QUEUE
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#endif
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/* Format of the header for debug messages. The arguments following this header
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* are the file (char *), the function (char *) and the line (int) in which the
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* message function was called */
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#define INTF_MSG_DBG_FORMAT "## %s:%s(),%i: "
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/* Maximal number of arguments on a command line, including the function name */
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#define INTF_MAX_ARGS 20
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/* Maximal size of a command line in a script */
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#define INTF_MAX_CMD_SIZE 240
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/* Number of memorized lines in console window text zone */
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#define INTF_CONSOLE_MAX_TEXT 100
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/* Maximal number of commands which can be saved in history list */
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#define INTF_CONSOLE_MAX_HISTORY 20
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