1 /*****************************************************************************
2 * config.h: limits and configuration
3 * Defines all compilation-time configuration constants and size limits
4 *****************************************************************************
5 * Copyright (C) 1999, 2000 VideoLAN
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public
20 * License along with this program; if not, write to the
21 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 * Boston, MA 02111-1307, 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 parameters
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 1996-2000 VideoLAN\n"
47 #define COPYRIGHT_MESSAGE "VideoLAN Client - version @VLC_VERSION@" \
48 " @VLC_CODENAME@ - (c)1996-2000 VideoLAN"
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 /* Define for profiling and statistics support - such informations, like FPS
67 * or pictures count won't be available if it not set */
70 /* Define for unthreaded version of the program FIXME: not yet implemented ??*/
73 /*****************************************************************************
74 * Debugging options - define or undefine symbols
75 *****************************************************************************/
77 /* General debugging support, which depends of the DEBUG define, is determined
80 /* Modules specific debugging - this will produce a lot of output, but can be
81 * usefull to track a bug */
87 /* Debugging log file - if defined, a file can be used to store all messages. If
88 * DEBUG_LOG_ONLY is defined, debug messages will only be printed to the log and
89 * will not appear on the screen */
90 #define DEBUG_LOG "vlc-debug.log"
91 #define DEBUG_LOG_ONLY
95 /*****************************************************************************
96 * General configuration
97 *****************************************************************************/
99 #define CLOCK_FREQ 1000000
102 /* Automagically spawn input, audio and video threads ? */
106 /* When creating or destroying threads in blocking mode, delay to poll thread
108 #define THREAD_SLEEP ((int)(0.010*CLOCK_FREQ))
111 * Decoders FIFO configuration
114 /* Size of the FIFO. FIFO_SIZE+1 must be a power of 2 */
115 #define FIFO_SIZE 1023
118 /*****************************************************************************
119 * Interface configuration
120 *****************************************************************************/
122 /* Environment variable used to store startup script name and default value */
123 #define INTF_INIT_SCRIPT_VAR "vlc_init"
124 #define INTF_INIT_SCRIPT_DEFAULT "vlc.init"
126 /* Environment variable used to store channels file and default value */
127 #define INTF_CHANNELS_VAR "vlc_channels"
128 #define INTF_CHANNELS_DEFAULT "vlc.channels"
130 /* Base delay in micro second for interface sleeps */
131 #define INTF_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
133 /* Step for changing gamma, and minimum and maximum values */
134 #define INTF_GAMMA_STEP .1
135 #define INTF_GAMMA_LIMIT 3
137 /* Maximum number of channels */
138 #define INTF_MAX_CHANNELS 10
144 /* Title of the X11 window */
145 #define VOUT_TITLE "VideoLAN Client"
147 /*****************************************************************************
148 * Input thread configuration
149 *****************************************************************************/
152 #define INPUT_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
155 * General limitations
158 /* Broadcast address, in case of a broadcasted stream */
159 #define INPUT_BCAST_ADDR "138.195.143.255"
161 /* Maximum number of input threads - this value is used exclusively by
162 * interface, and is in fact an interface limitation */
163 #define INPUT_MAX_THREADS 10
165 /* Maximum number of programs definitions in a TS stream */
166 #define INPUT_MAX_PGRM 10
168 /* Maximum number of ES definitions in a TS stream */
169 #define INPUT_MAX_ES 10
171 /* Maximum number of ES in a single program */
172 #define INPUT_MAX_PROGRAM_ES 10
174 /* Maximum number of selected ES in an input thread */
175 #define INPUT_MAX_SELECTED_ES 10
177 /* Maximum number of TS packets in the client at any time
178 * INPUT_MAX_TS + 1 must be a power of 2, to optimize the %(INPUT_MAX_TS+1)
179 * operation with a &INPUT_MAX_TS in the case of a fifo netlist.
180 * It should be > number of fifos * FIFO_SIZE to avoid input deadlock. */
181 #define INPUT_MAX_TS 32767 /* INPUT_MAX_TS + 1 = 2^15 */
183 /* Same thing with PES packets */
184 #define INPUT_MAX_PES 16383
186 /* Maximum number of TS packets we read from the socket in one readv().
187 * Since you can't put more than 7 TS packets in an Ethernet frame,
188 * the maximum value is 7. This number should also limit the stream server,
189 * otherwise any supplementary packet is lost. */
190 #define INPUT_TS_READ_ONCE 7
192 /* Use a LIFO or FIFO for TS netlist ? */
193 #undef INPUT_LIFO_TS_NETLIST
195 /* Use a LIFO or FIFO for PES netlist ? */
196 #undef INPUT_LIFO_PES_NETLIST
198 /* Maximum length of a hostname or source name */
199 #define INPUT_MAX_SOURCE_LENGTH 100
201 /* Default remote server */
202 #define INPUT_SERVER_VAR "vlc_server"
203 #define INPUT_SERVER_DEFAULT "138.195.143.220"
205 /* Default input port */
206 #define INPUT_PORT_VAR "vlc_server_port"
207 #define INPUT_PORT_DEFAULT 1234
213 /* Default network interface and environment variable */
214 #define INPUT_IFACE_VAR "vlc_iface"
215 #define INPUT_IFACE_DEFAULT "eth0"
217 /* Default server and port */
218 #define INPUT_VLAN_SERVER_VAR "vlc_vlan_server"
219 #define INPUT_VLAN_SERVER_DEFAULT "138.195.140.31"
220 #define INPUT_VLAN_PORT_VAR "vlc_vlan_port"
221 #define INPUT_VLAN_PORT_DEFAULT 6010
223 /* Delay between vlan changes - this is required to avoid flooding the VLAN
225 #define INPUT_VLAN_CHANGE_DELAY (5*CLOCK_FREQ)
227 /* Duration between the time we receive the TS packet, and the time we will
228 * mark it to be presented */
229 #define INPUT_PTS_DELAY (2*CLOCK_FREQ)
231 /*****************************************************************************
232 * Audio configuration
233 *****************************************************************************/
235 /* Environment variable containing the audio output method */
236 #define AOUT_METHOD_VAR "vlc_aout"
238 /* The fallback method */
239 #define AOUT_DEFAULT_METHOD "dsp"
241 /* Environment variable used to store dsp device name, and default value */
242 #define AOUT_DSP_VAR "vlc_dsp"
243 #define AOUT_DSP_DEFAULT "/dev/dsp"
245 /* Environment variable for stereo, and default value */
246 #define AOUT_STEREO_VAR "vlc_stereo"
247 #define AOUT_STEREO_DEFAULT 1
249 /* Environment variable for output rate, and default value */
250 #define AOUT_RATE_VAR "vlc_audio_rate"
251 #define AOUT_RATE_DEFAULT 44100
253 /*****************************************************************************
254 * Video configuration
255 *****************************************************************************/
258 * Default settings for video output threads
261 /* Environment variable containing the display method */
262 #define VOUT_METHOD_VAR "vlc_vout"
264 /* The fallback method */
265 #define VOUT_DEFAULT_METHOD "x11"
267 /* Environment variable used in place of DISPLAY if available */
268 #define VOUT_DISPLAY_VAR "vlc_display"
270 /* Default dimensions for display window - these dimensions are enough for the
271 * standard width and height broadcasted MPEG-2 streams */
272 #define VOUT_WIDTH_VAR "vlc_width"
273 #define VOUT_HEIGHT_VAR "vlc_height"
274 #define VOUT_WIDTH_DEFAULT 720
275 #define VOUT_HEIGHT_DEFAULT 576
277 /* Maximum width of a scaled source picture - this should be relatively high,
278 * since higher stream values will result in no display at all. */
279 #define VOUT_MAX_WIDTH 4096
281 /* Video heap size - remember that a decompressed picture is big
282 * (~1 Mbyte) before using huge values */
283 #define VOUT_MAX_PICTURES 10
285 /* Number of simultaneous subpictures */
286 #define VOUT_MAX_SUBPICTURES 10
288 /* Maximum number of active areas in a rendering buffer. Active areas are areas
289 * of the picture which need to be cleared before re-using the buffer. If a
290 * picture, including its many additions such as subtitles, additionnal user
291 * informations and interface, has too many active areas, some of them are
293 #define VOUT_MAX_AREAS 5
295 /* Environment variable for grayscale output mode, and default value */
296 #define VOUT_GRAYSCALE_VAR "vlc_grayscale"
297 #define VOUT_GRAYSCALE_DEFAULT 0
300 #define VOUT_GAMMA 0.
303 #define VOUT_DEFAULT_FONT "default8x9.psf"
304 #define VOUT_LARGE_FONT "default8x16.psf"
310 /* Time during which the thread will sleep if it has nothing to
311 * display (in micro-seconds) */
312 #define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
314 /* Maximum lap of time allowed between the beginning of rendering and
315 * display. If, compared to the current date, the next image is too
316 * late, the thread will perform an idle loop. This time should be
317 * at least VOUT_IDLE_SLEEP plus the time required to render a few
318 * images, to avoid trashing of decoded images */
319 #define VOUT_DISPLAY_DELAY ((int)(0.500*CLOCK_FREQ))
321 /* Delay (in microseconds) before an idle screen is displayed */
322 #define VOUT_IDLE_DELAY (5*CLOCK_FREQ)
324 /* Number of pictures required to computes the FPS rate */
325 #define VOUT_FPS_SAMPLES 20
328 * Framebuffer settings
331 /* Environment variable for framebuffer device, and default value */
332 #define VOUT_FB_DEV_VAR "vlc_fb_dev"
333 #define VOUT_FB_DEV_DEFAULT "/dev/fb0"
335 /*****************************************************************************
336 * Video parser configuration
337 *****************************************************************************/
339 #define VPAR_IDLE_SLEEP ((int)(0.010*CLOCK_FREQ))
341 /* Time to sleep when waiting for a buffer (from vout or the video fifo).
342 * It should be approximately the time needed to perform a complete picture
343 * loop. Since it only happens when the video heap is full, it does not need
344 * to be too low, even if it blocks the decoder. */
345 #define VPAR_OUTMEM_SLEEP ((int)(0.050*CLOCK_FREQ))
347 /* Optimization level, from 0 to 2 - 1 is generally a good compromise. Remember
348 * that raising this level dramatically lengthens the compilation time. */
349 #define VPAR_OPTIM_LEVEL 1
351 /* The following directives only apply if you define VDEC_SMP below. */
353 /* Number of macroblock buffers available. It should be always greater than
354 * twice the number of macroblocks in a picture. VFIFO_SIZE + 1 should also
355 * be a power of two. */
356 #define VFIFO_SIZE 8191
358 /* Maximum number of macroblocks in a picture. */
361 /*****************************************************************************
362 * Video decoder configuration
363 *****************************************************************************/
367 #define VDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
369 /* Number of video_decoder threads to launch on startup of the video_parser.
370 * It should always be less than half the number of macroblocks of a
371 * picture. Only available if you defined VDEC_SMP above. */
374 /* Maximum range of values out of the IDCT + motion compensation. */
375 #define VDEC_CROPRANGE 2048
377 /*****************************************************************************
378 * Generic decoder configuration
379 *****************************************************************************/
381 #define GDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
383 /*****************************************************************************
384 * Messages and console interfaces configuration
385 *****************************************************************************/
387 /* Maximal size of a message to be stored in the mesage queue,
388 * it is needed when vasprintf is not avalaible */
389 #define INTF_MAX_MSG_SIZE 512
391 /* Maximal size of the message queue - in case of overflow, all messages in the
392 * queue are printed by the calling thread */
393 #define INTF_MSG_QSIZE 64
395 /* Define to enable messages queues - disabling messages queue can be usefull
396 * when debugging, since it allows messages which would not otherwise be printed,
397 * due to a crash, to be printed anyway */
399 #define INTF_MSG_QUEUE
402 /* Format of the header for debug messages. The arguments following this header
403 * are the file (char *), the function (char *) and the line (int) in which the
404 * message function was called */
405 #define INTF_MSG_DBG_FORMAT "## %s:%s(),%i: "
407 /* Maximal number of arguments on a command line, including the function name */
408 #define INTF_MAX_ARGS 20
410 /* Maximal size of a command line in a script */
411 #define INTF_MAX_CMD_SIZE 240
413 /* Number of memorized lines in console window text zone */
414 #define INTF_CONSOLE_MAX_TEXT 100
416 /* Maximal number of commands which can be saved in history list */
417 #define INTF_CONSOLE_MAX_HISTORY 20
419 /*****************************************************************************
420 * Synchro configuration
421 *****************************************************************************/
423 #define VOUT_SYNCHRO_LEVEL_START 5
424 #define VOUT_SYNCHRO_LEVEL_MAX 15
425 #define VOUT_SYNCHRO_HEAP_IDEAL_SIZE 5