vlc_config.h
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:7k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * 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 <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., 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 CLOCK_FREQ 1000000
- /* When creating or destroying threads in blocking mode, delay to poll thread
- * status */
- #define THREAD_SLEEP ((mtime_t)(0.010*CLOCK_FREQ))
- /*****************************************************************************
- * Interface configuration
- *****************************************************************************/
- /* Base delay in micro second for interface sleeps */
- #define INTF_IDLE_SLEEP ((mtime_t)(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
- *****************************************************************************/
- #define DEFAULT_INPUT_ACTIVITY 1
- #define TRANSCODE_ACTIVITY 10
- /* Used in ErrorThread */
- #define INPUT_IDLE_SLEEP ((mtime_t)(0.100*CLOCK_FREQ))
- /* Time to wait in case of read error */
- #define INPUT_ERROR_SLEEP ((mtime_t)(0.10*CLOCK_FREQ))
- /* Number of read() calls needed until we check the file size through
- * fstat() */
- #define INPUT_FSTAT_NB_READS 10
- /*
- * 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 (mtime_t)(.3*CLOCK_FREQ)
- /* DVD and VCD devices */
- #if !defined( WIN32 ) && !defined( UNDER_CE )
- # define CD_DEVICE "/dev/cdrom"
- # define DVD_DEVICE "/dev/dvd"
- #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 (mtime_t)(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 (mtime_t)(.5*CLOCK_FREQ)
- /* Buffers which arrive after pts - AOUT_MIN_PREPARE_TIME will be trashed
- * to avoid too heavy resampling */
- #define AOUT_MIN_PREPARE_TIME (mtime_t)(.04*CLOCK_FREQ)
- /* Max acceptable delay between the coded PTS and the actual presentation
- * time, without resampling */
- #define AOUT_PTS_TOLERANCE (mtime_t)(.04*CLOCK_FREQ)
- /* 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 ((mtime_t)(0.5*CLOCK_FREQ))
- /*****************************************************************************
- * 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 16
- /* Statistics are displayed every n loops (=~ pictures) */
- #define VOUT_STATS_NB_LOOPS 100
- /*
- * 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 ((mtime_t)(0.020*CLOCK_FREQ))
- /* 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