mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
257 lines
9.8 KiB
C
257 lines
9.8 KiB
C
/*****************************************************************************
|
|
* config.h: limits and configuration
|
|
* Defines all compilation-time configuration constants and size limits
|
|
*****************************************************************************
|
|
* Copyright (C) 1999, 2000, 2001 VideoLAN
|
|
*
|
|
* Authors: Vincent Seguin <seguin@via.ecp.fr>
|
|
* Samuel Hocevar <sam@via.ecp.fr>
|
|
*
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
|
|
*****************************************************************************/
|
|
|
|
/* 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 ADEC_.
|
|
*/
|
|
|
|
/*****************************************************************************
|
|
* General configuration
|
|
*****************************************************************************/
|
|
|
|
#define CLOCK_FREQ 1000000
|
|
|
|
|
|
/* Automagically spawn audio and video decoder threads */
|
|
#define AUTO_SPAWN
|
|
|
|
/* When creating or destroying threads in blocking mode, delay to poll thread
|
|
* status */
|
|
#define THREAD_SLEEP ((int)(0.010*CLOCK_FREQ))
|
|
|
|
/* When a thread waits on a condition in debug mode, delay to wait before
|
|
* outputting an error message (in second) */
|
|
#define THREAD_COND_TIMEOUT 5
|
|
|
|
/* The configuration file and directory */
|
|
#ifdef SYS_BEOS
|
|
# define CONFIG_DIR "config/settings"
|
|
#elif defined( WIN32 )
|
|
# define CONFIG_DIR "videolan"
|
|
#else
|
|
# define CONFIG_DIR ".videolan"
|
|
#endif
|
|
#define CONFIG_FILE "vlcrc"
|
|
|
|
/*****************************************************************************
|
|
* Interface configuration
|
|
*****************************************************************************/
|
|
|
|
/* Base delay in micro second for interface sleeps */
|
|
#define INTF_IDLE_SLEEP ((int)(0.050*CLOCK_FREQ))
|
|
|
|
/* Step for changing gamma, and minimum and maximum values */
|
|
#define INTF_GAMMA_STEP .1
|
|
#define INTF_GAMMA_LIMIT 3
|
|
|
|
/*****************************************************************************
|
|
* Input thread configuration
|
|
*****************************************************************************/
|
|
|
|
/* XXX?? */
|
|
#define INPUT_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
|
|
|
|
/*
|
|
* General limitations
|
|
*/
|
|
|
|
/* Maximum number of input threads - this value is used exclusively by
|
|
* interface, and is in fact an interface limitation */
|
|
#define INPUT_MAX_THREADS 10
|
|
|
|
/* Maximum size of a data packet (128 kB) */
|
|
#define INPUT_MAX_PACKET_SIZE 131072
|
|
|
|
/* Maximum length of a pre-parsed chunk (4 MB) */
|
|
#define INPUT_PREPARSE_LENGTH 4194304
|
|
|
|
/* Maximum length of a hostname or source name */
|
|
#define INPUT_MAX_SOURCE_LENGTH 100
|
|
|
|
/* Maximum memory the input is allowed to use (20 MB) */
|
|
#define INPUT_MAX_ALLOCATION 20971520
|
|
|
|
/*
|
|
* Channel method
|
|
*/
|
|
|
|
/* Delay between channel changes - this is required to avoid flooding the
|
|
* channel server */
|
|
#define INPUT_CHANNEL_CHANGE_DELAY (mtime_t)(5*CLOCK_FREQ)
|
|
|
|
/* Duration between the time we receive the data packet, and the time we will
|
|
* mark it to be presented */
|
|
#define DEFAULT_PTS_DELAY (mtime_t)(.2*CLOCK_FREQ)
|
|
|
|
/*****************************************************************************
|
|
* Audio configuration
|
|
*****************************************************************************/
|
|
|
|
/* Maximum number of audio output threads */
|
|
#define AOUT_MAX_THREADS 10
|
|
|
|
/* Volume */
|
|
#define VOLUME_DEFAULT 256
|
|
#define VOLUME_STEP 128
|
|
#define VOLUME_MAX 1024
|
|
|
|
/* Number of audio output frames contained in an audio output fifo.
|
|
* (AOUT_FIFO_SIZE + 1) must be a power of 2, in order to optimise the
|
|
* %(AOUT_FIFO_SIZE + 1) operation with an &AOUT_FIFO_SIZE.
|
|
* With 255 we have at least 255*384/2/48000=1 second of sound */
|
|
#define AOUT_FIFO_SIZE 255
|
|
|
|
/* Maximum number of audio fifos. The value of AOUT_MAX_FIFOS should be a power
|
|
* of two, in order to optimize the '/AOUT_MAX_FIFOS' and '*AOUT_MAX_FIFOS'
|
|
* operations with '>>' and '<<' (gcc changes this at compilation-time) */
|
|
#define AOUT_MAX_FIFOS 2
|
|
|
|
/* Duration (in microseconds) of an audio output buffer should be :
|
|
* - short, in order to be able to play a new song very quickly (especially a
|
|
* song from the interface)
|
|
* - long, in order to perform the buffer calculations as few as possible */
|
|
#define AOUT_BUFFER_DURATION 50000
|
|
|
|
/*****************************************************************************
|
|
* Video configuration
|
|
*****************************************************************************/
|
|
|
|
/* Maximum number of video output threads */
|
|
#define VOUT_MAX_THREADS 256
|
|
|
|
/*
|
|
* 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 8
|
|
|
|
/* Number of simultaneous subpictures */
|
|
#define VOUT_MAX_SUBPICTURES 8
|
|
|
|
/* Maximum number of active areas in a rendering buffer. Active areas are areas
|
|
* of the picture which need to be cleared before re-using the buffer. If a
|
|
* picture, including its many additions such as subtitles, additionnal user
|
|
* informations and interface, has too many active areas, some of them are
|
|
* joined. */
|
|
#define VOUT_MAX_AREAS 5
|
|
|
|
/* Default fonts */
|
|
#define VOUT_DEFAULT_FONT "default8x9.psf"
|
|
#define VOUT_LARGE_FONT "default8x16.psf"
|
|
|
|
/* Statistics are displayed every n loops (=~ pictures) */
|
|
#define VOUT_STATS_NB_LOOPS 100
|
|
|
|
/*
|
|
* Time settings
|
|
*/
|
|
|
|
/* Time during which the thread will sleep if it has nothing to
|
|
* display (in micro-seconds) */
|
|
#define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
|
|
|
|
/* Maximum lap of time allowed between the beginning of rendering and
|
|
* display. If, compared to the current date, the next image is too
|
|
* late, the thread will perform an idle loop. This time should be
|
|
* at least VOUT_IDLE_SLEEP plus the time required to render a few
|
|
* images, to avoid trashing of decoded images */
|
|
#define VOUT_DISPLAY_DELAY ((int)(0.500*CLOCK_FREQ))
|
|
|
|
/* Delay (in microseconds) before an idle screen is displayed */
|
|
#define VOUT_IDLE_DELAY (5*CLOCK_FREQ)
|
|
|
|
/* Number of pictures required to computes the FPS rate */
|
|
#define VOUT_FPS_SAMPLES 20
|
|
|
|
/* Better be in advance when awakening than late... */
|
|
#define VOUT_MWAIT_TOLERANCE ((int)(0.020*CLOCK_FREQ))
|
|
|
|
/* 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 ((int)(0.020*CLOCK_FREQ))
|
|
|
|
/* The default video output window title */
|
|
#define VOUT_TITLE "VideoLAN Client " VERSION
|
|
|
|
/*****************************************************************************
|
|
* Video parser configuration
|
|
*****************************************************************************/
|
|
|
|
#define VPAR_IDLE_SLEEP ((int)(0.010*CLOCK_FREQ))
|
|
|
|
/* Optimization level, from 0 to 2 - 1 is generally a good compromise. Remember
|
|
* that raising this level dramatically lengthens the compilation time. */
|
|
#if defined( HAVE_RELEASE ) || defined( __pentiumpro__ )
|
|
# define VPAR_OPTIM_LEVEL 2
|
|
#else
|
|
# define VPAR_OPTIM_LEVEL 1
|
|
#endif
|
|
|
|
/* Maximum number of macroblocks in a picture. */
|
|
#define MAX_MB 2048
|
|
|
|
/*****************************************************************************
|
|
* Video decoder configuration
|
|
*****************************************************************************/
|
|
|
|
#define VDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
|
|
|
|
/* Maximum range of values out of the IDCT + motion compensation. */
|
|
#define VDEC_CROPRANGE 2048
|
|
|
|
/* No SMP by default, since it slows down things on non-smp machines. */
|
|
#define VDEC_SMP_DEFAULT 0
|
|
|
|
/* Nice increments for decoders -- necessary for x11 scheduling */
|
|
#define VDEC_NICE 3
|
|
|
|
/*****************************************************************************
|
|
* Messages and console interfaces configuration
|
|
*****************************************************************************/
|
|
|
|
/* Maximal size of a message to be stored in the mesage queue,
|
|
* it is needed when vasprintf is not avalaible */
|
|
#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 INTF_MSG_QSIZE 256
|