1 /*****************************************************************************
2 * config.h: limits and configuration
4 *****************************************************************************
5 * Defines all compilation-time configuration constants and size limits
6 *****************************************************************************/
8 /* Conventions regarding names of symbols and variables
9 * ----------------------------------------------------
11 * - Symbols should begin with a prefix indicating in which module they are
12 * used, such as INTF_, VOUT_ or ADEC_.
14 * - Regarding environment variables, which are used as initialization parameters
16 * + variable names should end with '_VAR'
17 * + environment variable default value should end with '_DEFAULT'
18 * + values having a special meaning with '_VAL'
22 /*****************************************************************************
24 *****************************************************************************/
26 /* Program version and copyright message */
27 #define COPYRIGHT_MESSAGE "VideoLAN Client v" PROGRAM_VERSION " - (c)1999-2000 VideoLAN"
28 #define VERSION_MESSAGE "VideoLAN Client - (c)1999-2000 VideoLAN\n" \
29 "version " PROGRAM_VERSION " ( " PROGRAM_BUILD " )\n" \
30 "compilation options: " PROGRAM_OPTIONS
32 /*****************************************************************************
33 * General compilation options
34 *****************************************************************************/
36 /* Define for DVB support - Note that some extensions or restrictions may be
37 * incompatible with native MPEG2 streams */
38 //#define DVB_EXTENSIONS
39 //#define DVB_RESTRICTIONS
41 /* Define to disable some obscure heuristics behind the video_parser and the
42 * video_decoder that improve performance but are not fully MPEG2 compliant
43 * and might cause problems with some very weird streams. */
44 //#define MPEG2_COMPLIANT
46 /* Define for profiling and statistics support - such informations, like FPS
47 * or pictures count won't be available if it not set */
50 /* Define for unthreaded version of the program - ?? not yet implemented */
53 /*****************************************************************************
54 * Debugging options - define or undefine symbols
55 *****************************************************************************/
57 /* General debugging support, which depends of the DEBUG define, is determined
60 /* Modules specific debugging - this will produce a lot of output, but can be
61 * usefull to track a bug */
67 /* Debugging log file - if defined, a file can be used to store all messages. If
68 * DEBUG_LOG_ONLY is defined, debug messages will only be printed to the log and
69 * will not appear on the screen */
70 #define DEBUG_LOG "vlc-debug.log"
71 #define DEBUG_LOG_ONLY
75 /*****************************************************************************
76 * General configuration
77 *****************************************************************************/
79 #define CLOCK_FREQ 1000000
82 /* Automagically spawn input, audio and video threads ? */
86 /* When creating or destroying threads in blocking mode, delay to poll thread
88 #define THREAD_SLEEP ((int)(0.010*CLOCK_FREQ))
91 * Decoders FIFO configuration
94 /* Size of the FIFO. FIFO_SIZE+1 must be a multiple of 2 */
95 #define FIFO_SIZE 1023
98 /*****************************************************************************
99 * Interface configuration
100 *****************************************************************************/
102 /* Environment variable used to store startup script name and default value */
103 #define INTF_INIT_SCRIPT_VAR "vlc_init"
104 #define INTF_INIT_SCRIPT_DEFAULT "vlc.init"
106 /* Environment variable used to store channels file and default value */
107 #define INTF_CHANNELS_VAR "vlc_channels"
108 #define INTF_CHANNELS_DEFAULT "vlc.channels"
110 /* Base delay in micro second for interface sleeps */
111 #define INTF_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
113 /* Step for changing gamma, and minimum and maximum values */
114 #define INTF_GAMMA_STEP .1
115 #define INTF_GAMMA_LIMIT 3
121 /* Title of the X11 window */
122 #define VOUT_TITLE "VideoLAN Client"
124 /*****************************************************************************
125 * Input thread configuration
126 *****************************************************************************/
129 #define INPUT_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
132 * General limitations
135 /* Broadcast address, in case of a broadcasted stream */
136 #define INPUT_BCAST_ADDR "138.195.143.255"
138 /* Maximum number of input threads - this value is used exclusively by
139 * interface, and is in fact an interface limitation */
140 #define INPUT_MAX_THREADS 10
142 /* Maximum number of programs definitions in a TS stream */
143 #define INPUT_MAX_PGRM 10
145 /* Maximum number of ES definitions in a TS stream */
146 #define INPUT_MAX_ES 10
148 /* Maximum number of ES in a single program */
149 #define INPUT_MAX_PROGRAM_ES 10
151 /* Maximum number of selected ES in an input thread */
152 #define INPUT_MAX_SELECTED_ES 10
154 /* Maximum number of TS packets in the client at any time
155 * INPUT_MAX_TS + 1 must be a power of 2, to optimize the %(INPUT_MAX_TS+1)
156 * operation with a &INPUT_MAX_TS in the case of a fifo netlist.
157 * It should be > number of fifos * FIFO_SIZE to avoid input deadlock. */
158 #define INPUT_MAX_TS 32767 /* INPUT_MAX_TS + 1 = 2^15 */
160 /* Same thing with PES packets */
161 #define INPUT_MAX_PES 16383
163 /* Maximum number of TS packets we read from the socket in one readv().
164 * Since you can't put more than 7 TS packets in an Ethernet frame,
165 * the maximum value is 7. This number should also limit the stream server,
166 * otherwise any supplementary packet is lost. */
167 #define INPUT_TS_READ_ONCE 7
169 /* Use a LIFO or FIFO for TS netlist ? */
170 #undef INPUT_LIFO_TS_NETLIST
172 /* Use a LIFO or FIFO for PES netlist ? */
173 #undef INPUT_LIFO_PES_NETLIST
175 /* Maximum length of a hostname or source name */
176 #define INPUT_MAX_SOURCE_LENGTH 100
178 /* Default remote server */
179 #define INPUT_SERVER_VAR "vlc_server"
180 #define INPUT_SERVER_DEFAULT "138.195.143.220"
182 /* Default input port */
183 #define INPUT_PORT_VAR "vlc_server_port"
184 #define INPUT_PORT_DEFAULT 1234
190 /* Default network interface and environment variable */
191 #define INPUT_IFACE_VAR "vlc_iface"
192 #define INPUT_IFACE_DEFAULT "eth0"
194 /* Default server and port */
195 #define INPUT_VLAN_SERVER_VAR "vlc_vlan_server"
196 #define INPUT_VLAN_SERVER_DEFAULT "138.195.140.31"
197 #define INPUT_VLAN_PORT_VAR "vlc_vlan_port"
198 #define INPUT_VLAN_PORT_DEFAULT 6010
200 /* Delay between vlan changes - this is required to avoid flooding the VLAN
202 #define INPUT_VLAN_CHANGE_DELAY (5*CLOCK_FREQ)
204 /* Duration between the time we receive the TS packet, and the time we will
205 * mark it to be presented */
206 #define INPUT_PTS_DELAY (2*CLOCK_FREQ)
208 /*****************************************************************************
209 * Audio configuration
210 *****************************************************************************/
212 /* Environment variable containing the audio output method */
213 #define AOUT_METHOD_VAR "vlc_aout"
215 /* The fallback method */
216 #define AOUT_DEFAULT_METHOD "dsp"
218 /* Environment variable used to store dsp device name, and default value */
219 #define AOUT_DSP_VAR "vlc_dsp"
220 #define AOUT_DSP_DEFAULT "/dev/dsp"
222 /* Environment variable for stereo, and default value */
223 #define AOUT_STEREO_VAR "vlc_stereo"
224 #define AOUT_STEREO_DEFAULT 1
226 /* Environment variable for output rate, and default value */
227 #define AOUT_RATE_VAR "vlc_audio_rate"
228 #define AOUT_RATE_DEFAULT 44100
230 /*****************************************************************************
231 * Video configuration
232 *****************************************************************************/
235 * Default settings for video output threads
238 /* Environment variable containing the display method */
239 #define VOUT_METHOD_VAR "vlc_vout"
241 /* The fallback method */
242 #define VOUT_DEFAULT_METHOD "x11"
244 /* Environment variable used in place of DISPLAY if available */
245 #define VOUT_DISPLAY_VAR "vlc_display"
247 /* Default dimensions for display window - these dimensions are enough for the
248 * standard width and height broadcasted MPEG-2 streams */
249 #define VOUT_WIDTH_VAR "vlc_width"
250 #define VOUT_HEIGHT_VAR "vlc_height"
251 #define VOUT_WIDTH_DEFAULT 640
252 #define VOUT_HEIGHT_DEFAULT 480
254 /* Maximum width of a scaled source picture - this should be relatively high,
255 * since higher stream values will result in no display at all. */
256 #define VOUT_MAX_WIDTH 4096
258 /* Video heap size - remember that a decompressed picture is big
259 * (~1 Mbyte) before using huge values */
260 #define VOUT_MAX_PICTURES 10
262 /* Maximum number of active areas in a rendering buffer. Active areas are areas
263 * of the picture which need to be cleared before re-using the buffer. If a
264 * picture, including its many additions such as subtitles, additionnal user
265 * informations and interface, has too many active areas, some of them are
267 #define VOUT_MAX_AREAS 5
269 /* Environment variable for grayscale output mode, and default value */
270 #define VOUT_GRAYSCALE_VAR "vlc_grayscale"
271 #define VOUT_GRAYSCALE_DEFAULT 0
274 #define VOUT_GAMMA 0.
277 #define VOUT_DEFAULT_FONT "Resources/default8x9.psf"
278 #define VOUT_LARGE_FONT "Resources/default8x16.psf"
284 /* Time during which the thread will sleep if it has nothing to
285 * display (in micro-seconds) */
286 #define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
288 /* Maximum lap of time allowed between the beginning of rendering and
289 * display. If, compared to the current date, the next image is too
290 * late, the thread will perform an idle loop. This time should be
291 * at least VOUT_IDLE_SLEEP plus the time required to render a few
292 * images, to avoid trashing of decoded images */
293 #define VOUT_DISPLAY_DELAY ((int)(0.500*CLOCK_FREQ))
295 /* Delay (in microseconds) before an idle screen is displayed */
296 #define VOUT_IDLE_DELAY (5*CLOCK_FREQ)
298 /* Number of pictures required to computes the FPS rate */
299 #define VOUT_FPS_SAMPLES 20
302 * Framebuffer settings
305 /* Environment variable for framebuffer device, and default value */
306 #define VOUT_FB_DEV_VAR "vlc_fb_dev"
307 #define VOUT_FB_DEV_DEFAULT "/dev/fb0"
309 /*****************************************************************************
310 * Video parser configuration
311 *****************************************************************************/
313 #define VPAR_IDLE_SLEEP ((int)(0.010*CLOCK_FREQ))
315 /* Time to sleep when waiting for a buffer (from vout or the video fifo).
316 * It should be approximately the time needed to perform a complete picture
317 * loop. Since it only happens when the video heap is full, it does not need
318 * to be too low, even if it blocks the decoder. */
319 #define VPAR_OUTMEM_SLEEP ((int)(0.050*CLOCK_FREQ))
321 /* Optimization level, from 0 to 2 - 1 is generally a good compromise. Remember
322 * that raising this level dramatically lengthens the compilation time. */
323 #define VPAR_OPTIM_LEVEL 1
325 /* The following directives only apply if you define VDEC_SMP below. */
327 /* Number of macroblock buffers available. It should be always greater than
328 * twice the number of macroblocks in a picture. VFIFO_SIZE + 1 should also
329 * be a power of two. */
330 #define VFIFO_SIZE 8191
332 /* Maximum number of macroblocks in a picture. */
335 /*****************************************************************************
336 * Video decoder configuration
337 *****************************************************************************/
341 #define VDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
343 /* Number of video_decoder threads to launch on startup of the video_parser.
344 * It should always be less than half the number of macroblocks of a
345 * picture. Only available if you defined VDEC_SMP above. */
348 /* Maximum range of values out of the IDCT + motion compensation. */
349 #define VDEC_CROPRANGE 2048
351 /*****************************************************************************
352 * Generic decoder configuration
353 *****************************************************************************/
355 #define GDEC_IDLE_SLEEP ((int)(0.100*CLOCK_FREQ))
357 /*****************************************************************************
358 * Messages and console interfaces configuration
359 *****************************************************************************/
361 /* Maximal size of the message queue - in case of overflow, all messages in the
362 * queue are printed by the calling thread */
363 #define INTF_MSG_QSIZE 64
365 /* Define to enable messages queues - disabling messages queue can be usefull
366 * when debugging, since it allows messages which would not otherwise be printed,
367 * due to a crash, to be printed anyway */
369 #define INTF_MSG_QUEUE
372 /* Format of the header for debug messages. The arguments following this header
373 * are the file (char *), the function (char *) and the line (int) in which the
374 * message function was called */
375 #define INTF_MSG_DBG_FORMAT "## %s:%s(),%i: "
377 /* Maximal number of arguments on a command line, including the function name */
378 #define INTF_MAX_ARGS 20
380 /* Maximal size of a command line in a script */
381 #define INTF_MAX_CMD_SIZE 240
383 /* Number of memorized lines in console window text zone */
384 #define INTF_CONSOLE_MAX_TEXT 100
386 /* Maximal number of commands which can be saved in history list */
387 #define INTF_CONSOLE_MAX_HISTORY 20
389 /*****************************************************************************
390 * Synchro configuration
391 *****************************************************************************/
393 #define VOUT_SYNCHRO_LEVEL_START 5
394 #define VOUT_SYNCHRO_LEVEL_MAX 15
395 #define VOUT_SYNCHRO_HEAP_IDEAL_SIZE 5