mirror of https://code.videolan.org/videolan/vlc
505 lines
19 KiB
C
505 lines
19 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, 2001 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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* Debugging options - define or undefine symbols
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*****************************************************************************/
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#ifdef TRACE
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/* General trace support, which depends of the TRACE 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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* useful to track a bug */
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//#define TRACE_INTF
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//#define TRACE_INPUT
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//#define TRACE_AUDIO
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#define TRACE_VOUT
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#define TRACE_VPAR
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/* Trace log file - if defined, a file can be used to store all messages. If
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* TRACE_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 TRACE_LOG "vlc-trace.log"
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#define TRACE_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 audio and video decoder threads */
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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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/* When a thread waits on a condition in debug mode, delay to wait before
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* outputting an error message (in second) */
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#define THREAD_COND_TIMEOUT 5
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/* Environment variable containing the memcpy method */
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#define MEMCPY_METHOD_VAR "vlc_memcpy"
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/*
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* Paths
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*/
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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 containing the display method */
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#define INTF_METHOD_VAR "vlc_intf"
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#define INTF_METHOD_DEFAULT "gtk"
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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)(0.050*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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/* Default search path for interface file browser */
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#define INTF_PATH_VAR "vlc_search_path"
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#define INTF_PATH_DEFAULT ""
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/* Environment variable containing the standard output method */
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#define INTF_STDOUT_VAR "vlc_stdout"
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#define INTF_STDOUT_DEFAULT ""
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/*****************************************************************************
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* Input thread configuration
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*****************************************************************************/
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/* Environment variable containing the input method */
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#define INPUT_METHOD_VAR "vlc_input"
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#define INPUT_METHOD_DEFAULT "ps"
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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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/* 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 size of a data packet (128 kB) */
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#define INPUT_MAX_PACKET_SIZE 131072
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/* Maximum length of a pre-parsed chunk (4 MB) */
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#define INPUT_PREPARSE_LENGTH 4194304
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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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/* Maximum memory the input is allowed to use (20 MB) */
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#define INPUT_MAX_ALLOCATION 20971520
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/* Default network protocol */
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#define INPUT_NETWORK_PROTOCOL_VAR "vlc_network_protocol"
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#define INPUT_NETWORK_PROTOCOL_DEFAULT "ts"
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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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/* FIXME : Delete those ! */
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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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/* 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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/* Default broadcast address */
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#define INPUT_BCAST_ADDR_VAR "vlc_broadcast_addr"
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#define INPUT_BCAST_ADDR_DEFAULT "138.195.143.255"
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/* Channels mode */
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#define INPUT_NETWORK_CHANNEL_VAR "vlc_channel"
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#define INPUT_NETWORK_CHANNEL_DEFAULT 0
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/*
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* Channel 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_CHANNEL_SERVER_VAR "vlc_channel_server"
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#define INPUT_CHANNEL_SERVER_DEFAULT "138.195.143.120"
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#define INPUT_CHANNEL_PORT_VAR "vlc_channel_port"
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#define INPUT_CHANNEL_PORT_DEFAULT 6010
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/* Delay between channel changes - this is required to avoid flooding the
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* channel server */
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#define INPUT_CHANNEL_CHANGE_DELAY (mtime_t)(5*CLOCK_FREQ)
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/* Duration between the time we receive the data packet, and the time we will
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* mark it to be presented */
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#define DEFAULT_PTS_DELAY (mtime_t)(.2*CLOCK_FREQ)
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/* DVD defaults */
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#define INPUT_DVD_DEVICE_VAR "vlc_dvd_device"
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#define INPUT_TITLE_VAR "vlc_input_title"
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#define INPUT_CHAPTER_VAR "vlc_input_chapter"
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#define INPUT_ANGLE_VAR "vlc_input_angle"
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#define INPUT_AUDIO_VAR "vlc_input_audio"
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#define INPUT_CHANNEL_VAR "vlc_input_channel"
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#define INPUT_SUBTITLE_VAR "vlc_input_subtitle"
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/* VCD defaults */
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#define INPUT_VCD_DEVICE_VAR "vlc_vcd_device"
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/*****************************************************************************
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* Audio configuration
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*****************************************************************************/
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/* Maximum number of audio output threads */
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#define AOUT_MAX_THREADS 10
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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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#define AOUT_METHOD_DEFAULT "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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/* Default audio output format (AOUT_FMT_S16_NE = Native Endianess) */
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#define AOUT_FORMAT_DEFAULT AOUT_FMT_S16_NE
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/* #define AOUT_FORMAT_DEFAULT AOUT_FMT_S8 */
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/* #define AOUT_FORMAT_DEFAULT AOUT_FMT_U8 */
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/* #define AOUT_FORMAT_DEFAULT AOUT_FMT_S16_BE */
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/* #define AOUT_FORMAT_DEFAULT AOUT_FMT_S16_LE */
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/* #define AOUT_FORMAT_DEFAULT AOUT_FMT_U16_BE */
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/* #define AOUT_FORMAT_DEFAULT AOUT_FMT_U16_LE */
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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 spdif mode */
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#define AOUT_SPDIF_VAR "vlc_spdif"
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#define AOUT_SPDIF_DEFAULT 0
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/* Environment variable containing the AC3 downmix method */
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#define DOWNMIX_METHOD_VAR "vlc_downmix"
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/* Environment variable containing the AC3 IMDCT method */
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#define IMDCT_METHOD_VAR "vlc_imdct"
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/* Volume */
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#define VOLUME_DEFAULT 512
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#define VOLUME_STEP 128
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#define VOLUME_MAX 1024
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/* Environment variable for volume */
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#define AOUT_VOLUME_VAR "vlc_volume"
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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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/* Number of audio output frames contained in an audio output fifo.
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* (AOUT_FIFO_SIZE + 1) must be a power of 2, in order to optimise the
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* %(AOUT_FIFO_SIZE + 1) operation with an &AOUT_FIFO_SIZE.
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* With 511 we have at least 511*384/2/48000=2 seconds of sound */
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#define AOUT_FIFO_SIZE 511
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/* Maximum number of audio fifos. The value of AOUT_MAX_FIFOS should be a power
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* of two, in order to optimize the '/AOUT_MAX_FIFOS' and '*AOUT_MAX_FIFOS'
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* operations with '>>' and '<<' (gcc changes this at compilation-time) */
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#define AOUT_MAX_FIFOS 2
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/* Duration (in microseconds) of an audio output buffer should be :
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* - short, in order to be able to play a new song very quickly (especially a
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* song from the interface)
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* - long, in order to perform the buffer calculations as few as possible */
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#define AOUT_BUFFER_DURATION 100000
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/* Environment variable for MPEG audio decoder */
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#define ADEC_MPEG_VAR "vlc_mpeg_adec"
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/*****************************************************************************
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* Video configuration
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*****************************************************************************/
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/* Maximum number of video output threads */
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#define VOUT_MAX_THREADS 256
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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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#define VOUT_METHOD_DEFAULT "x11"
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/* Environment variable containing the display method */
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#define VOUT_FILTER_VAR "vlc_filter"
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#define VOUT_FILTER_DEFAULT "x11"
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/* Environment variable containing the motion compensation method */
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#define MOTION_METHOD_VAR "vlc_motion"
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/* Environment variable containing the IDCT method */
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#define IDCT_METHOD_VAR "vlc_idct"
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/* Environment variable containing the YUV method */
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#define YUV_METHOD_VAR "vlc_yuv"
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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_WIDTH_DEFAULT 720
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#define VOUT_HEIGHT_VAR "vlc_height"
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#define VOUT_HEIGHT_DEFAULT 576
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#define VOUT_DEPTH_VAR "vlc_depth"
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#define VOUT_DEPTH_DEFAULT 15
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/* Multiplier value for aspect ratio calculation (2^7 * 3^3 * 5^3) */
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#define VOUT_ASPECT_FACTOR 432000
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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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/* Number of planes in a picture */
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#define VOUT_MAX_PLANES 5
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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 8
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/* Number of simultaneous subpictures */
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#define VOUT_MAX_SUBPICTURES 8
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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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/* Environment variable for fullscreen mode, and default value */
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#define VOUT_FULLSCREEN_VAR "vlc_fullscreen"
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#define VOUT_FULLSCREEN_DEFAULT 0
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/* Environment variable for overlay mode, and default value */
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#define VOUT_OVERLAY_VAR "vlc_overlay"
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#define VOUT_OVERLAY_DEFAULT 0
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/* Default gamma */
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#define VOUT_GAMMA_VAR "vlc_gamma"
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#define VOUT_GAMMA_DEFAULT 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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/* 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 VOUT_OUTMEM_SLEEP ((int)(0.020*CLOCK_FREQ))
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/* The default video output window title */
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#define VOUT_TITLE "VideoLAN Client " VERSION
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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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/* Environment variable for XVideo adaptor, and default value */
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#define VOUT_XVADAPTOR_VAR "vlc_xv_adaptor"
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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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/* 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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#ifdef RELEASE
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# define VPAR_OPTIM_LEVEL 2
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#else
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# define VPAR_OPTIM_LEVEL 1
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#endif
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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_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
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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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/* Environment variable containing the SMP value. */
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#define VDEC_SMP_VAR "vlc_smp"
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/* No SMP by default, since it slows down things on non-smp machines. */
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#define VDEC_SMP_DEFAULT 0
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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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* 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 "vlc_warning_level"
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#define INTF_WARNING_DEFAULT 0
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/* Define to enable messages queues - disabling messages queue can be useful
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* when debugging, since it allows messages which would not 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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/* Max 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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/****************************************************************************
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* Playlist defaults
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****************************************************************************/
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/* Launch on start-up */
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#define PLAYLIST_STARTUP_VAR "vlc_playlist_on_start_up"
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#define PLAYLIST_STARTUP_DEFAULT 0
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/* Enqueue drag'n dropped item */
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#define PLAYLIST_ENQUEUE_VAR "vlc_playlist_enqueue"
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#define PLAYLIST_ENQUEUE_DEFAULT 0
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/* Loop on playlist end */
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#define PLAYLIST_LOOP_VAR "vlc_playlist_loop"
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#define PLAYLIST_LOOP_DEFAULT 0
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