1 /*****************************************************************************
2 * config.h: limits and configuration
3 * Defines all compilation-time configuration constants and size limits
4 *****************************************************************************
5 * Copyright (C) 1999, 2000, 2001 VideoLAN
7 * Authors: Vincent Seguin <seguin@via.ecp.fr>
8 * Samuel Hocevar <sam@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /* Conventions regarding names of symbols and variables
26 * ----------------------------------------------------
28 * - Symbols should begin with a prefix indicating in which module they are
29 * used, such as INTF_, VOUT_ or ADEC_.
31 * - Regarding environment variables, which are used as initialization
32 * parameters for threads :
33 * + variable names should end with '_VAR'
34 * + environment variable default value should end with '_DEFAULT'
35 * + values having a special meaning with '_VAL'
39 /*****************************************************************************
41 *****************************************************************************/
43 /* Program version and copyright message */
44 #define VERSION_MESSAGE "vlc @VLC_VERSION@ @VLC_CODENAME@ " \
45 /* "(" PROGRAM_BUILD ") (" PROGRAM_OPTIONS ")\n" */ \
46 "Copyright 1996-2001 VideoLAN\n"
47 #define COPYRIGHT_MESSAGE "VideoLAN Client - version @VLC_VERSION@" \
48 " @VLC_CODENAME@ - (C)1996-2001 VideoLAN\n"
50 #define VERSION "@VLC_VERSION@"
52 /*****************************************************************************
53 * General compilation options
54 *****************************************************************************/
56 /* Define for DVB support - Note that some extensions or restrictions may be
57 * incompatible with native MPEG2 streams */
58 //#define DVB_EXTENSIONS
59 //#define DVB_RESTRICTIONS
61 /* Define to disable some obscure heuristics behind the video_parser and the
62 * video_decoder that improve performance but are not fully MPEG2 compliant
63 * and might cause problems with some very weird streams. */
64 //#define MPEG2_COMPLIANT
66 /*****************************************************************************
67 * Debugging options - define or undefine symbols
68 *****************************************************************************/
70 /* General trace support, which depends of the TRACE define, is determined
73 /* Modules specific debugging - this will produce a lot of output, but can be
74 * useful to track a bug */
81 /* Trace log file - if defined, a file can be used to store all messages. If
82 * TRACE_LOG_ONLY is defined, debug messages will only be printed to the log and
83 * will not appear on the screen */
84 #define TRACE_LOG "vlc-trace.log"
85 #define TRACE_LOG_ONLY
89 /*****************************************************************************
90 * General configuration
91 *****************************************************************************/
93 #define CLOCK_FREQ 1000000
96 /* Automagically spawn input, audio and video threads ? */
100 /* When creating or destroying threads in blocking mode, delay to poll thread
102 #define THREAD_SLEEP ((int)(0.010*CLOCK_FREQ))
105 * Decoders FIFO configuration
108 /* Size of the FIFO. FIFO_SIZE+1 must be a power of 2 */
109 #define FIFO_SIZE 1023
115 #define DATA_PATH "@prefix@/share/videolan"
116 #define PLUGIN_PATH "@prefix@/lib/videolan/vlc"
118 #define MAX_PLUGIN_COUNT 32
120 /*****************************************************************************
121 * Interface configuration
122 *****************************************************************************/
124 /* Environment variable containing the display method */
125 #define INTF_METHOD_VAR "vlc_intf"
126 #define INTF_METHOD_DEFAULT "gtk"
128 /* Environment variable used to store startup script name and default value */
129 #define INTF_INIT_SCRIPT_VAR "vlcrc"
130 #define INTF_INIT_SCRIPT_DEFAULT ".vlcrc"
132 /* Environment variable used to store channels file and default value */
133 #define INTF_CHANNELS_VAR "vlc_channels"
134 #define INTF_CHANNELS_DEFAULT "vlc.channels"
136 /* Base delay in micro second for interface sleeps */
137 #define INTF_IDLE_SLEEP ((int)(0.050*CLOCK_FREQ))
139 /* Step for changing gamma, and minimum and maximum values */
140 #define INTF_GAMMA_STEP .1
141 #define INTF_GAMMA_LIMIT 3
143 /* Maximum number of channels */
144 #define INTF_MAX_CHANNELS 10
146 /* Default search path for interface file browser */
147 #define INTF_PATH_VAR "vlc_search_path"
149 /*****************************************************************************
150 * Input thread configuration
151 *****************************************************************************/
153 /* Environment variable containing the input method */
154 #define INPUT_METHOD_VAR "vlc_input"
155 #define INPUT_METHOD_DEFAULT "ps"
158 #define INPUT_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
161 * General limitations
164 /* Maximum number of input threads - this value is used exclusively by
165 * interface, and is in fact an interface limitation */
166 #define INPUT_MAX_THREADS 10
168 /* Maximum size of a data packet (128 kB) */
169 #define INPUT_MAX_PACKET_SIZE 131072
171 /* Maximum length of a pre-parsed chunk (4 MB) */
172 #define INPUT_PREPARSE_LENGTH 4194304
174 /* Maximum length of a hostname or source name */
175 #define INPUT_MAX_SOURCE_LENGTH 100
177 /* Default network protocol */
178 #define INPUT_NETWORK_PROTOCOL_VAR "vlc_network_protocol"
179 #define INPUT_NETWORK_PROTOCOL_DEFAULT "ts"
181 /* Default remote server */
182 #define INPUT_SERVER_VAR "vlc_server"
183 #define INPUT_SERVER_DEFAULT "138.195.143.220"
185 /* Default input port */
186 #define INPUT_PORT_VAR "vlc_server_port"
187 #define INPUT_PORT_DEFAULT 1234
189 /* Default broadcast address */
190 #define INPUT_BCAST_ADRR_VAR "vlc_broadcast_addr"
191 #define INPUT_BCAST_ADDR_DEFAULT "138.195.143.255"
194 #define INPUT_BROADCAST_VAR "vlc_broadcast"
195 #define INPUT_BROADCAST_DEFAULT 0
201 /* Default network interface and environment variable */
202 #define INPUT_IFACE_VAR "vlc_iface"
203 #define INPUT_IFACE_DEFAULT "eth0"
205 /* Default server and port */
206 #define INPUT_CHANNEL_SERVER_VAR "vlc_channel_server"
207 #define INPUT_CHANNEL_SERVER_DEFAULT "138.195.139.95"
208 #define INPUT_CHANNEL_PORT_VAR "vlc_channel_port"
209 #define INPUT_CHANNEL_PORT_DEFAULT 6010
211 /* Delay between channel changes - this is required to avoid flooding the
213 #define INPUT_CHANNEL_CHANGE_DELAY (mtime_t)(5*CLOCK_FREQ)
215 /* Duration between the time we receive the data packet, and the time we will
216 * mark it to be presented */
217 #define DEFAULT_PTS_DELAY (mtime_t)(.2*CLOCK_FREQ)
220 #define INPUT_DVD_DEVICE_VAR "vlc_dvd_device"
221 #define INPUT_DVD_DEVICE_DEFAULT "/dev/dvd"
223 #define INPUT_TITLE_VAR "vlc_input_title"
224 #define INPUT_CHAPTER_VAR "vlc_input_chapter"
225 #define INPUT_ANGLE_VAR "vlc_input_angle"
226 #define INPUT_AUDIO_VAR "vlc_input_audio"
227 #define INPUT_CHANNEL_VAR "vlc_input_channel"
228 #define INPUT_SUBTITLE_VAR "vlc_input_subtitle"
231 #define INPUT_VVC_DEVICE_VAR "vlc_vcd_device"
232 #define INPUT_VCD_DEVICE_DEFAULT "/dev/cdrom"
234 /*****************************************************************************
235 * Audio configuration
236 *****************************************************************************/
238 /* Maximum number of audio output threads */
239 #define AOUT_MAX_THREADS 10
241 /* Environment variable containing the audio output method */
242 #define AOUT_METHOD_VAR "vlc_aout"
243 #define AOUT_METHOD_DEFAULT "dsp"
245 /* Environment variable used to store dsp device name, and default value */
246 #define AOUT_DSP_VAR "vlc_dsp"
247 #define AOUT_DSP_DEFAULT "/dev/dsp"
249 /* Default audio output format (AOUT_FMT_S16_NE = Native Endianess) */
250 #define AOUT_FORMAT_DEFAULT AOUT_FMT_S16_NE
251 /* #define AOUT_FORMAT_DEFAULT AOUT_FMT_S8 */
252 /* #define AOUT_FORMAT_DEFAULT AOUT_FMT_U8 */
253 /* #define AOUT_FORMAT_DEFAULT AOUT_FMT_S16_BE */
254 /* #define AOUT_FORMAT_DEFAULT AOUT_FMT_S16_LE */
255 /* #define AOUT_FORMAT_DEFAULT AOUT_FMT_U16_BE */
256 /* #define AOUT_FORMAT_DEFAULT AOUT_FMT_U16_LE */
258 /* Environment variable for stereo, and default value */
259 #define AOUT_STEREO_VAR "vlc_stereo"
260 #define AOUT_STEREO_DEFAULT 1
262 /* Environment variable for spdif mode */
263 #define AOUT_SPDIF_VAR "vlc_spdif"
264 #define AOUT_SPDIF_DEFAULT 0
267 #define VOLUME_DEFAULT 512
268 #define VOLUME_STEP 128
269 #define VOLUME_MAX 1024
271 /* Environment variable for output rate, and default value */
272 #define AOUT_RATE_VAR "vlc_audio_rate"
273 #define AOUT_RATE_DEFAULT 44100
275 /* Number of audio output frames contained in an audio output fifo.
276 * (AOUT_FIFO_SIZE + 1) must be a power of 2, in order to optimise the
277 * %(AOUT_FIFO_SIZE + 1) operation with an &AOUT_FIFO_SIZE.
278 * With 511 we have at least 511*384/2/48000=2 seconds of sound */
279 #define AOUT_FIFO_SIZE 511
281 /* Maximum number of audio fifos. The value of AOUT_MAX_FIFOS should be a power
282 * of two, in order to optimize the '/AOUT_MAX_FIFOS' and '*AOUT_MAX_FIFOS'
283 * operations with '>>' and '<<' (gcc changes this at compilation-time) */
284 #define AOUT_MAX_FIFOS 2
286 /* Duration (in microseconds) of an audio output buffer should be :
287 * - short, in order to be able to play a new song very quickly (especially a
288 * song from the interface)
289 * - long, in order to perform the buffer calculations as few as possible */
290 #define AOUT_BUFFER_DURATION 100000
292 /*****************************************************************************
293 * Video configuration
294 *****************************************************************************/
296 /* Maximum number of video output threads */
297 #define VOUT_MAX_THREADS 10
300 * Default settings for video output threads
303 /* Environment variable containing the display method */
304 #define VOUT_METHOD_VAR "vlc_vout"
305 #define VOUT_METHOD_DEFAULT "x11"
307 /* Environment variable containing the motion compensation method */
308 #define MOTION_METHOD_VAR "vlc_motion"
310 /* Environment variable containing the IDCT method */
311 #define IDCT_METHOD_VAR "vlc_idct"
313 /* Environment variable containing the YUV method */
314 #define YUV_METHOD_VAR "vlc_yuv"
316 /* Environment variable used in place of DISPLAY if available */
317 #define VOUT_DISPLAY_VAR "vlc_display"
319 /* Default dimensions for display window - these dimensions are enough for the
320 * standard width and height broadcasted MPEG-2 streams or DVDs */
321 #define VOUT_WIDTH_VAR "vlc_width"
322 #define VOUT_HEIGHT_VAR "vlc_height"
323 #define VOUT_WIDTH_DEFAULT 720
324 #define VOUT_HEIGHT_DEFAULT 576
326 #define VOUT_DEPTH_VAR "vlc_depth"
327 #define VOUT_DEPTH_DEFAULT 15
329 #define VOUT_FULLSCREEN_VAR "vlc_fullscreen"
330 #define VOUT_FULLSCREEN_DEFAULT 0
332 #define VOUT_FULLSCREEN_DEPTH_VAR "vlc_fullscreen_depth"
333 #define VOUT_FULLSCREEN_DEPTH_DEFAULT 32
335 /* Maximum width of a scaled source picture - this should be relatively high,
336 * since higher stream values will result in no display at all. */
337 #define VOUT_MAX_WIDTH 4096
339 /* Video heap size - remember that a decompressed picture is big
340 * (~1 Mbyte) before using huge values */
341 #define VOUT_MAX_PICTURES 5
343 /* Number of simultaneous subpictures */
344 #define VOUT_MAX_SUBPICTURES 5
346 /* Maximum number of active areas in a rendering buffer. Active areas are areas
347 * of the picture which need to be cleared before re-using the buffer. If a
348 * picture, including its many additions such as subtitles, additionnal user
349 * informations and interface, has too many active areas, some of them are
351 #define VOUT_MAX_AREAS 5
353 /* Environment variable for grayscale output mode, and default value */
354 #define VOUT_GRAYSCALE_VAR "vlc_grayscale"
355 #define VOUT_GRAYSCALE_DEFAULT 0
357 /* Environment variable for fullscreen mode, and default value */
358 #define VOUT_FULLSCREEN_VAR "vlc_fullscreen"
359 #define VOUT_FULLSCREEN_DEFAULT 0
361 /* Environment variable for overlay mode, and default value */
362 #define VOUT_OVERLAY_VAR "vlc_overlay"
363 #define VOUT_OVERLAY_DEFAULT 0
366 #define VOUT_GAMMA_VAR "vlc_gamma"
367 #define VOUT_GAMMA_DEFAULT 0.
370 #define VOUT_DEFAULT_FONT "default8x9.psf"
371 #define VOUT_LARGE_FONT "default8x16.psf"
373 /* Statistics are displayed every n loops (=~ pictures) */
374 #define VOUT_STATS_NB_LOOPS 100
380 /* Time during which the thread will sleep if it has nothing to
381 * display (in micro-seconds) */
382 #define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
384 /* Maximum lap of time allowed between the beginning of rendering and
385 * display. If, compared to the current date, the next image is too
386 * late, the thread will perform an idle loop. This time should be
387 * at least VOUT_IDLE_SLEEP plus the time required to render a few
388 * images, to avoid trashing of decoded images */
389 #define VOUT_DISPLAY_DELAY ((int)(0.500*CLOCK_FREQ))
391 /* Delay (in microseconds) before an idle screen is displayed */
392 #define VOUT_IDLE_DELAY (5*CLOCK_FREQ)
394 /* Number of pictures required to computes the FPS rate */
395 #define VOUT_FPS_SAMPLES 20
397 /* Better be in advance when awakening than late... */
398 #define VOUT_MWAIT_TOLERANCE ((int)(0.020*CLOCK_FREQ))
401 * Framebuffer settings
404 /* Environment variable for framebuffer device, and default value */
405 #define VOUT_FB_DEV_VAR "vlc_fb_dev"
406 #define VOUT_FB_DEV_DEFAULT "/dev/fb0"
408 /* The default video output window title */
409 #define VOUT_TITLE "VideoLAN Client @VLC_VERSION@"
411 /*****************************************************************************
412 * Video parser configuration
413 *****************************************************************************/
415 #define VPAR_IDLE_SLEEP ((int)(0.010*CLOCK_FREQ))
417 /* Time to sleep when waiting for a buffer (from vout or the video fifo).
418 * It should be approximately the time needed to perform a complete picture
419 * loop. Since it only happens when the video heap is full, it does not need
420 * to be too low, even if it blocks the decoder. */
421 #define VPAR_OUTMEM_SLEEP ((int)(0.020*CLOCK_FREQ))
423 /* Optimization level, from 0 to 2 - 1 is generally a good compromise. Remember
424 * that raising this level dramatically lengthens the compilation time. */
425 #define VPAR_OPTIM_LEVEL 2
427 /* The following directives only apply if you define VDEC_SMP below. */
429 /* Number of macroblock buffers available. It should be always greater than
430 * twice the number of macroblocks in a picture. VFIFO_SIZE + 1 should also
431 * be a power of two. */
432 #define VFIFO_SIZE 8191
434 /* Maximum number of macroblocks in a picture. */
437 /* The synchro variable name */
438 #define VPAR_SYNCHRO_VAR "vlc_synchro"
440 /*****************************************************************************
441 * Video decoder configuration
442 *****************************************************************************/
446 #define VDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
448 /* Number of video_decoder threads to launch on startup of the video_parser.
449 * It should always be less than half the number of macroblocks of a
450 * picture. Only available if you defined VDEC_SMP above. */
453 /* Maximum range of values out of the IDCT + motion compensation. */
454 #define VDEC_CROPRANGE 2048
456 /* Nice increments for decoders -- necessary for x11 scheduling */
459 /*****************************************************************************
460 * Generic decoder configuration
461 *****************************************************************************/
463 #define GDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
465 /*****************************************************************************
466 * Messages and console interfaces configuration
467 *****************************************************************************/
469 /* Maximal size of a message to be stored in the mesage queue,
470 * it is needed when vasprintf is not avalaible */
471 #define INTF_MAX_MSG_SIZE 512
473 /* Maximal size of the message queue - in case of overflow, all messages in the
474 * queue are printed by the calling thread */
475 #define INTF_MSG_QSIZE 64
477 /* Interface warnig message level */
478 #define INTF_WARNING_VAR "vlc_warning_level"
479 #define INTF_WARNING_DEFAULT 12
481 /* Define to enable messages queues - disabling messages queue can be useful
482 * when debugging, since it allows messages which would not be printed
483 * due to a crash to be printed anyway */
485 #define INTF_MSG_QUEUE
488 /* Format of the header for debug messages. The arguments following this header
489 * are the file (char *), the function (char *) and the line (int) in which the
490 * message function was called */
491 #define INTF_MSG_DBG_FORMAT "## %s:%s(),%i: "
493 /* Max number of arguments on a command line, including the function name */
494 #define INTF_MAX_ARGS 20
496 /* Maximal size of a command line in a script */
497 #define INTF_MAX_CMD_SIZE 240
499 /* Number of memorized lines in console window text zone */
500 #define INTF_CONSOLE_MAX_TEXT 100
502 /* Maximal number of commands which can be saved in history list */
503 #define INTF_CONSOLE_MAX_HISTORY 20
505 /****************************************************************************
507 ****************************************************************************/
509 /* Launch on start-up */
510 #define PLAYLIST_STARTUP_VAR "vlc_playlist_on_start_up"
511 #define PLAYLIST_STARTUP_DEFAULT 0
513 /* Enqueue drag'n dropped item */
514 #define PLAYLIST_ENQUEUE_VAR "vlc_playlist_enqueue"
515 #define PLAYLIST_ENQUEUE_DZFAULT 0
517 /* Loop on playlist end */
518 #define PLAYLIST_LOOP_VAR "vlc_playlist_loop"
519 #define PLAYLIST_LOOP_DEFAULT 0