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00030 #include "asterisk.h"
00031
00032 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 174596 $")
00033
00034 #include "jitterbuf.h"
00035 #include "asterisk/utils.h"
00036
00037
00038 #define JB_LONGMAX 2147483647L
00039 #define JB_LONGMIN (-JB_LONGMAX - 1L)
00040
00041 #define jb_warn(...) (warnf ? warnf(__VA_ARGS__) : (void)0)
00042 #define jb_err(...) (errf ? errf(__VA_ARGS__) : (void)0)
00043 #define jb_dbg(...) (dbgf ? dbgf(__VA_ARGS__) : (void)0)
00044
00045 #ifdef DEEP_DEBUG
00046 #define jb_dbg2(...) (dbgf ? dbgf(__VA_ARGS__) : (void)0)
00047 #else
00048 #define jb_dbg2(...) ((void)0)
00049 #endif
00050
00051 static jb_output_function_t warnf, errf, dbgf;
00052
00053 void jb_setoutput(jb_output_function_t err, jb_output_function_t warn, jb_output_function_t dbg)
00054 {
00055 errf = err;
00056 warnf = warn;
00057 dbgf = dbg;
00058 }
00059
00060 static void increment_losspct(jitterbuf *jb)
00061 {
00062 jb->info.losspct = (100000 + 499 * jb->info.losspct)/500;
00063 }
00064
00065 static void decrement_losspct(jitterbuf *jb)
00066 {
00067 jb->info.losspct = (499 * jb->info.losspct)/500;
00068 }
00069
00070 void jb_reset(jitterbuf *jb)
00071 {
00072
00073 jb_conf s = jb->info.conf;
00074 memset(jb, 0, sizeof(*jb));
00075 jb->info.conf = s;
00076
00077
00078 jb->info.current = jb->info.target = jb->info.conf.target_extra = JB_TARGET_EXTRA;
00079 jb->info.silence_begin_ts = -1;
00080 }
00081
00082 jitterbuf * jb_new()
00083 {
00084 jitterbuf *jb;
00085
00086 if (!(jb = ast_malloc(sizeof(*jb))))
00087 return NULL;
00088
00089 jb_reset(jb);
00090
00091 jb_dbg2("jb_new() = %x\n", jb);
00092 return jb;
00093 }
00094
00095 void jb_destroy(jitterbuf *jb)
00096 {
00097 jb_frame *frame;
00098 jb_dbg2("jb_destroy(%x)\n", jb);
00099
00100
00101 frame = jb->free;
00102 while (frame != NULL) {
00103 jb_frame *next = frame->next;
00104 ast_free(frame);
00105 frame = next;
00106 }
00107
00108
00109 ast_free(jb);
00110 }
00111
00112
00113
00114 #if 0
00115 static int longcmp(const void *a, const void *b)
00116 {
00117 return *(long *)a - *(long *)b;
00118 }
00119 #endif
00120
00121
00122
00123
00124
00125 static int history_put(jitterbuf *jb, long ts, long now, long ms)
00126 {
00127 long delay = now - (ts - jb->info.resync_offset);
00128 long threshold = 2 * jb->info.jitter + jb->info.conf.resync_threshold;
00129 long kicked;
00130
00131
00132 if (ts <= 0)
00133 return 0;
00134
00135
00136 if (jb->info.conf.resync_threshold != -1) {
00137 if (abs(delay - jb->info.last_delay) > threshold) {
00138 jb->info.cnt_delay_discont++;
00139 if (jb->info.cnt_delay_discont > 3) {
00140
00141 jb->info.cnt_delay_discont = 0;
00142 jb->hist_ptr = 0;
00143 jb->hist_maxbuf_valid = 0;
00144
00145 jb_warn("Resyncing the jb. last_delay %ld, this delay %ld, threshold %ld, new offset %ld\n", jb->info.last_delay, delay, threshold, ts - now);
00146 jb->info.resync_offset = ts - now;
00147 jb->info.last_delay = delay = 0;
00148 } else {
00149 return -1;
00150 }
00151 } else {
00152 jb->info.last_delay = delay;
00153 jb->info.cnt_delay_discont = 0;
00154 }
00155 }
00156
00157 kicked = jb->history[jb->hist_ptr % JB_HISTORY_SZ];
00158
00159 jb->history[(jb->hist_ptr++) % JB_HISTORY_SZ] = delay;
00160
00161
00162
00163
00164
00165
00166 if (!jb->hist_maxbuf_valid)
00167 return 0;
00168
00169
00170
00171 if (jb->hist_ptr < JB_HISTORY_SZ)
00172 goto invalidate;
00173
00174
00175 if (delay < jb->hist_minbuf[JB_HISTORY_MAXBUF_SZ-1])
00176 goto invalidate;
00177
00178
00179 if (delay > jb->hist_maxbuf[JB_HISTORY_MAXBUF_SZ-1])
00180 goto invalidate;
00181
00182
00183 if (kicked <= jb->hist_minbuf[JB_HISTORY_MAXBUF_SZ-1])
00184 goto invalidate;
00185
00186 if (kicked >= jb->hist_maxbuf[JB_HISTORY_MAXBUF_SZ-1])
00187 goto invalidate;
00188
00189
00190
00191 return 0;
00192
00193
00194
00195 invalidate:
00196 jb->hist_maxbuf_valid = 0;
00197 return 0;
00198 }
00199
00200 static void history_calc_maxbuf(jitterbuf *jb)
00201 {
00202 int i,j;
00203
00204 if (jb->hist_ptr == 0)
00205 return;
00206
00207
00208
00209 for (i=0;i<JB_HISTORY_MAXBUF_SZ;i++) {
00210
00211
00212
00213
00214 jb->hist_maxbuf[i] = JB_LONGMIN;
00215 jb->hist_minbuf[i] = JB_LONGMAX;
00216 }
00217
00218
00219
00220
00221
00222 i = (jb->hist_ptr > JB_HISTORY_SZ) ? (jb->hist_ptr - JB_HISTORY_SZ) : 0;
00223
00224 for (;i<jb->hist_ptr;i++) {
00225 long toins = jb->history[i % JB_HISTORY_SZ];
00226
00227
00228 if (toins > jb->hist_maxbuf[JB_HISTORY_MAXBUF_SZ-1]) {
00229
00230
00231 for (j=0;j<JB_HISTORY_MAXBUF_SZ;j++) {
00232
00233 if (toins > jb->hist_maxbuf[j]) {
00234
00235 memmove(jb->hist_maxbuf + j + 1, jb->hist_maxbuf + j, (JB_HISTORY_MAXBUF_SZ - (j + 1)) * sizeof(jb->hist_maxbuf[0]));
00236
00237 jb->hist_maxbuf[j] = toins;
00238
00239 break;
00240 }
00241 }
00242 }
00243
00244
00245 if (toins < jb->hist_minbuf[JB_HISTORY_MAXBUF_SZ-1]) {
00246
00247
00248 for (j=0;j<JB_HISTORY_MAXBUF_SZ;j++) {
00249
00250 if (toins < jb->hist_minbuf[j]) {
00251
00252 memmove(jb->hist_minbuf + j + 1, jb->hist_minbuf + j, (JB_HISTORY_MAXBUF_SZ - (j + 1)) * sizeof(jb->hist_minbuf[0]));
00253
00254 jb->hist_minbuf[j] = toins;
00255
00256 break;
00257 }
00258 }
00259 }
00260
00261 if (0) {
00262 int k;
00263 fprintf(stderr, "toins = %ld\n", toins);
00264 fprintf(stderr, "maxbuf =");
00265 for (k=0;k<JB_HISTORY_MAXBUF_SZ;k++)
00266 fprintf(stderr, "%ld ", jb->hist_maxbuf[k]);
00267 fprintf(stderr, "\nminbuf =");
00268 for (k=0;k<JB_HISTORY_MAXBUF_SZ;k++)
00269 fprintf(stderr, "%ld ", jb->hist_minbuf[k]);
00270 fprintf(stderr, "\n");
00271 }
00272 }
00273
00274 jb->hist_maxbuf_valid = 1;
00275 }
00276
00277 static void history_get(jitterbuf *jb)
00278 {
00279 long max, min, jitter;
00280 int index;
00281 int count;
00282
00283 if (!jb->hist_maxbuf_valid)
00284 history_calc_maxbuf(jb);
00285
00286
00287 count = (jb->hist_ptr < JB_HISTORY_SZ) ? jb->hist_ptr : JB_HISTORY_SZ;
00288
00289
00290 index = count * JB_HISTORY_DROPPCT / 100;
00291
00292
00293 if (index > (JB_HISTORY_MAXBUF_SZ - 1))
00294 index = JB_HISTORY_MAXBUF_SZ - 1;
00295
00296
00297 if (index < 0) {
00298 jb->info.min = 0;
00299 jb->info.jitter = 0;
00300 return;
00301 }
00302
00303 max = jb->hist_maxbuf[index];
00304 min = jb->hist_minbuf[index];
00305
00306 jitter = max - min;
00307
00308
00309
00310
00311
00312
00313
00314
00315 jb->info.min = min;
00316 jb->info.jitter = jitter;
00317 }
00318
00319
00320 static int queue_put(jitterbuf *jb, void *data, const enum jb_frame_type type, long ms, long ts)
00321 {
00322 jb_frame *frame;
00323 jb_frame *p;
00324 int head = 0;
00325 long resync_ts = ts - jb->info.resync_offset;
00326
00327 if ((frame = jb->free)) {
00328 jb->free = frame->next;
00329 } else if (!(frame = ast_malloc(sizeof(*frame)))) {
00330 jb_err("cannot allocate frame\n");
00331 return 0;
00332 }
00333
00334 jb->info.frames_cur++;
00335
00336 frame->data = data;
00337 frame->ts = resync_ts;
00338 frame->ms = ms;
00339 frame->type = type;
00340
00341
00342
00343
00344
00345
00346 if (!jb->frames) {
00347 jb->frames = frame;
00348 frame->next = frame;
00349 frame->prev = frame;
00350 head = 1;
00351 } else if (resync_ts < jb->frames->ts) {
00352 frame->next = jb->frames;
00353 frame->prev = jb->frames->prev;
00354
00355 frame->next->prev = frame;
00356 frame->prev->next = frame;
00357
00358
00359 jb->info.frames_ooo++;
00360
00361 jb->frames = frame;
00362 head = 1;
00363 } else {
00364 p = jb->frames;
00365
00366
00367 if (resync_ts < p->prev->ts) jb->info.frames_ooo++;
00368
00369 while (resync_ts < p->prev->ts && p->prev != jb->frames)
00370 p = p->prev;
00371
00372 frame->next = p;
00373 frame->prev = p->prev;
00374
00375 frame->next->prev = frame;
00376 frame->prev->next = frame;
00377 }
00378 return head;
00379 }
00380
00381 static long queue_next(jitterbuf *jb)
00382 {
00383 if (jb->frames)
00384 return jb->frames->ts;
00385 else
00386 return -1;
00387 }
00388
00389 static long queue_last(jitterbuf *jb)
00390 {
00391 if (jb->frames)
00392 return jb->frames->prev->ts;
00393 else
00394 return -1;
00395 }
00396
00397 static jb_frame *_queue_get(jitterbuf *jb, long ts, int all)
00398 {
00399 jb_frame *frame;
00400 frame = jb->frames;
00401
00402 if (!frame)
00403 return NULL;
00404
00405
00406
00407 if (all || ts >= frame->ts) {
00408
00409 frame->prev->next = frame->next;
00410 frame->next->prev = frame->prev;
00411
00412 if (frame->next == frame)
00413 jb->frames = NULL;
00414 else
00415 jb->frames = frame->next;
00416
00417
00418
00419 frame->next = jb->free;
00420 jb->free = frame;
00421
00422 jb->info.frames_cur--;
00423
00424
00425
00426 return frame;
00427 }
00428
00429 return NULL;
00430 }
00431
00432 static jb_frame *queue_get(jitterbuf *jb, long ts)
00433 {
00434 return _queue_get(jb,ts,0);
00435 }
00436
00437 static jb_frame *queue_getall(jitterbuf *jb)
00438 {
00439 return _queue_get(jb,0,1);
00440 }
00441
00442 #if 0
00443
00444 static void jb_dbginfo(jitterbuf *jb)
00445 {
00446 if (dbgf == NULL)
00447 return;
00448
00449 jb_dbg("\njb info: fin=%ld fout=%ld flate=%ld flost=%ld fdrop=%ld fcur=%ld\n",
00450 jb->info.frames_in, jb->info.frames_out, jb->info.frames_late, jb->info.frames_lost, jb->info.frames_dropped, jb->info.frames_cur);
00451
00452 jb_dbg("jitter=%ld current=%ld target=%ld min=%ld sil=%d len=%d len/fcur=%ld\n",
00453 jb->info.jitter, jb->info.current, jb->info.target, jb->info.min, jb->info.silence_begin_ts, jb->info.current - jb->info.min,
00454 jb->info.frames_cur ? (jb->info.current - jb->info.min)/jb->info.frames_cur : -8);
00455 if (jb->info.frames_in > 0)
00456 jb_dbg("jb info: Loss PCT = %ld%%, Late PCT = %ld%%\n",
00457 jb->info.frames_lost * 100/(jb->info.frames_in + jb->info.frames_lost),
00458 jb->info.frames_late * 100/jb->info.frames_in);
00459 jb_dbg("jb info: queue %d -> %d. last_ts %d (queue len: %d) last_ms %d\n",
00460 queue_next(jb),
00461 queue_last(jb),
00462 jb->info.next_voice_ts,
00463 queue_last(jb) - queue_next(jb),
00464 jb->info.last_voice_ms);
00465 }
00466 #endif
00467
00468 #ifdef DEEP_DEBUG
00469 static void jb_chkqueue(jitterbuf *jb)
00470 {
00471 int i=0;
00472 jb_frame *p = jb->frames;
00473
00474 if (!p) {
00475 return;
00476 }
00477
00478 do {
00479 if (p->next == NULL) {
00480 jb_err("Queue is BROKEN at item [%d]", i);
00481 }
00482 i++;
00483 p=p->next;
00484 } while (p->next != jb->frames);
00485 }
00486
00487 static void jb_dbgqueue(jitterbuf *jb)
00488 {
00489 int i=0;
00490 jb_frame *p = jb->frames;
00491
00492 jb_dbg("queue: ");
00493
00494 if (!p) {
00495 jb_dbg("EMPTY\n");
00496 return;
00497 }
00498
00499 do {
00500 jb_dbg("[%d]=%ld ", i++, p->ts);
00501 p=p->next;
00502 } while (p->next != jb->frames);
00503
00504 jb_dbg("\n");
00505 }
00506 #endif
00507
00508 enum jb_return_code jb_put(jitterbuf *jb, void *data, const enum jb_frame_type type, long ms, long ts, long now)
00509 {
00510 long numts;
00511
00512 jb_dbg2("jb_put(%x,%x,%ld,%ld,%ld)\n", jb, data, ms, ts, now);
00513
00514 numts = 0;
00515 if (jb->frames)
00516 numts = jb->frames->prev->ts - jb->frames->ts;
00517
00518 if (numts >= jb->info.conf.max_jitterbuf) {
00519 if (!jb->dropem) {
00520 ast_debug(1, "Attempting to exceed Jitterbuf max %ld timeslots\n",
00521 jb->info.conf.max_jitterbuf);
00522 jb->dropem = 1;
00523 }
00524 jb->info.frames_dropped++;
00525 return JB_DROP;
00526 } else {
00527 jb->dropem = 0;
00528 }
00529
00530 if (type == JB_TYPE_VOICE) {
00531
00532
00533 if (history_put(jb,ts,now,ms)) {
00534 jb->info.frames_dropped++;
00535 return JB_DROP;
00536 }
00537 }
00538
00539 jb->info.frames_in++;
00540
00541
00542 if (queue_put(jb,data,type,ms,ts)) {
00543 return JB_SCHED;
00544 }
00545 return JB_OK;
00546 }
00547
00548
00549 static enum jb_return_code _jb_get(jitterbuf *jb, jb_frame *frameout, long now, long interpl)
00550 {
00551 jb_frame *frame;
00552 long diff;
00553 static int dbg_cnt = 0;
00554
00555
00556
00557 history_get(jb);
00558
00559 if (dbg_cnt && dbg_cnt % 50 == 0) {
00560 jb_dbg("\n");
00561 }
00562 dbg_cnt++;
00563
00564
00565 jb->info.target = jb->info.jitter + jb->info.min + jb->info.conf.target_extra;
00566
00567
00568 if ((jb->info.conf.max_jitterbuf) && ((jb->info.target - jb->info.min) > jb->info.conf.max_jitterbuf)) {
00569 jb_dbg("clamping target from %ld to %ld\n", (jb->info.target - jb->info.min), jb->info.conf.max_jitterbuf);
00570 jb->info.target = jb->info.min + jb->info.conf.max_jitterbuf;
00571 }
00572
00573 diff = jb->info.target - jb->info.current;
00574
00575
00576
00577
00578
00579 if (!jb->info.silence_begin_ts) {
00580
00581 if ((diff > 0) &&
00582
00583 (((jb->info.last_adjustment + JB_ADJUST_DELAY) < now) ||
00584
00585 (diff > queue_last(jb) - queue_next(jb)) ) ) {
00586
00587 jb->info.current += interpl;
00588 jb->info.next_voice_ts += interpl;
00589 jb->info.last_voice_ms = interpl;
00590 jb->info.last_adjustment = now;
00591 jb->info.cnt_contig_interp++;
00592 if (jb->info.conf.max_contig_interp && jb->info.cnt_contig_interp >= jb->info.conf.max_contig_interp) {
00593 jb->info.silence_begin_ts = jb->info.next_voice_ts - jb->info.current;
00594 }
00595 jb_dbg("G");
00596 return JB_INTERP;
00597 }
00598
00599 frame = queue_get(jb, jb->info.next_voice_ts - jb->info.current);
00600
00601
00602 if (frame && frame->type != JB_TYPE_VOICE) {
00603 if (frame->type == JB_TYPE_SILENCE) {
00604 jb->info.silence_begin_ts = frame->ts;
00605 jb->info.cnt_contig_interp = 0;
00606 }
00607
00608 *frameout = *frame;
00609 jb->info.frames_out++;
00610 jb_dbg("o");
00611 return JB_OK;
00612 }
00613
00614
00615
00616 if (frame && frame->ts + jb->info.current < jb->info.next_voice_ts) {
00617 if (frame->ts + jb->info.current > jb->info.next_voice_ts - jb->info.last_voice_ms) {
00618
00619
00620 *frameout = *frame;
00621
00622 jb->info.next_voice_ts = frame->ts + jb->info.current + frame->ms;
00623 jb->info.frames_out++;
00624 decrement_losspct(jb);
00625 jb->info.cnt_contig_interp = 0;
00626 jb_dbg("v");
00627 return JB_OK;
00628 } else {
00629
00630 *frameout = *frame;
00631 jb->info.frames_out++;
00632 decrement_losspct(jb);
00633 jb->info.frames_late++;
00634 jb->info.frames_lost--;
00635 jb_dbg("l");
00636
00637
00638 return JB_DROP;
00639 }
00640 }
00641
00642
00643 if (frame && frame->ms > 0) {
00644 jb->info.last_voice_ms = frame->ms;
00645 }
00646
00647
00648
00649
00650
00651 if (diff < -jb->info.conf.target_extra &&
00652 ((!frame && jb->info.last_adjustment + 80 < now) ||
00653 (jb->info.last_adjustment + 500 < now))) {
00654
00655 jb->info.last_adjustment = now;
00656 jb->info.cnt_contig_interp = 0;
00657
00658 if (frame) {
00659 *frameout = *frame;
00660
00661 jb->info.current -= frame->ms;
00662 jb->info.frames_out++;
00663 decrement_losspct(jb);
00664 jb->info.frames_dropped++;
00665 jb_dbg("s");
00666 return JB_DROP;
00667 } else {
00668
00669 jb->info.current -= jb->info.last_voice_ms;
00670 jb->info.frames_lost++;
00671 increment_losspct(jb);
00672 jb_dbg("S");
00673 return JB_NOFRAME;
00674 }
00675 }
00676
00677
00678 if (!frame) {
00679
00680
00681
00682
00683
00684
00685
00686
00687
00688
00689
00690
00691
00692
00693
00694
00695
00696
00697
00698
00699
00700 jb->info.frames_lost++;
00701 increment_losspct(jb);
00702 jb->info.next_voice_ts += interpl;
00703 jb->info.last_voice_ms = interpl;
00704 jb->info.cnt_contig_interp++;
00705 if (jb->info.conf.max_contig_interp && jb->info.cnt_contig_interp >= jb->info.conf.max_contig_interp) {
00706 jb->info.silence_begin_ts = jb->info.next_voice_ts - jb->info.current;
00707 }
00708 jb_dbg("L");
00709 return JB_INTERP;
00710 }
00711
00712
00713 *frameout = *frame;
00714 jb->info.next_voice_ts += frame->ms;
00715 jb->info.frames_out++;
00716 jb->info.cnt_contig_interp = 0;
00717 decrement_losspct(jb);
00718 jb_dbg("v");
00719 return JB_OK;
00720 } else {
00721
00722
00723
00724
00725
00726
00727
00728
00729 if (diff < -jb->info.conf.target_extra &&
00730 jb->info.last_adjustment + 10 <= now) {
00731 jb->info.current -= interpl;
00732 jb->info.last_adjustment = now;
00733 }
00734
00735 frame = queue_get(jb, now - jb->info.current);
00736 if (!frame) {
00737 return JB_NOFRAME;
00738 } else if (frame->type != JB_TYPE_VOICE) {
00739
00740 *frameout = *frame;
00741 jb->info.frames_out++;
00742 return JB_OK;
00743 }
00744 if (frame->ts < jb->info.silence_begin_ts) {
00745
00746 *frameout = *frame;
00747 jb->info.frames_out++;
00748 decrement_losspct(jb);
00749 jb->info.frames_late++;
00750 jb->info.frames_lost--;
00751 jb_dbg("l");
00752
00753
00754 return JB_DROP;
00755 } else {
00756
00757
00758 jb->info.current = jb->info.target;
00759 jb->info.silence_begin_ts = 0;
00760 jb->info.next_voice_ts = frame->ts + jb->info.current + frame->ms;
00761 jb->info.last_voice_ms = frame->ms;
00762 jb->info.frames_out++;
00763 decrement_losspct(jb);
00764 *frameout = *frame;
00765 jb_dbg("V");
00766 return JB_OK;
00767 }
00768 }
00769 }
00770
00771 long jb_next(jitterbuf *jb)
00772 {
00773 if (jb->info.silence_begin_ts) {
00774 if (jb->frames) {
00775 long next = queue_next(jb);
00776 history_get(jb);
00777
00778 if (jb->info.target - jb->info.current < -jb->info.conf.target_extra)
00779 return jb->info.last_adjustment + 10;
00780 return next + jb->info.target;
00781 }
00782 else
00783 return JB_LONGMAX;
00784 } else {
00785 return jb->info.next_voice_ts;
00786 }
00787 }
00788
00789 enum jb_return_code jb_get(jitterbuf *jb, jb_frame *frameout, long now, long interpl)
00790 {
00791 enum jb_return_code ret = _jb_get(jb, frameout, now, interpl);
00792 #if 0
00793 static int lastts=0;
00794 int thists = ((ret == JB_OK) || (ret == JB_DROP)) ? frameout->ts : 0;
00795 jb_warn("jb_get(%x,%x,%ld) = %d (%d)\n", jb, frameout, now, ret, thists);
00796 if (thists && thists < lastts) jb_warn("XXXX timestamp roll-back!!!\n");
00797 lastts = thists;
00798 #endif
00799 if (ret == JB_INTERP)
00800 frameout->ms = jb->info.last_voice_ms;
00801
00802 return ret;
00803 }
00804
00805 enum jb_return_code jb_getall(jitterbuf *jb, jb_frame *frameout)
00806 {
00807 jb_frame *frame;
00808 frame = queue_getall(jb);
00809
00810 if (!frame) {
00811 return JB_NOFRAME;
00812 }
00813
00814 *frameout = *frame;
00815 return JB_OK;
00816 }
00817
00818
00819 enum jb_return_code jb_getinfo(jitterbuf *jb, jb_info *stats)
00820 {
00821
00822 history_get(jb);
00823
00824 *stats = jb->info;
00825
00826 return JB_OK;
00827 }
00828
00829 enum jb_return_code jb_setconf(jitterbuf *jb, jb_conf *conf)
00830 {
00831
00832
00833 jb->info.conf.max_jitterbuf = conf->max_jitterbuf;
00834 jb->info.conf.resync_threshold = conf->resync_threshold;
00835 jb->info.conf.max_contig_interp = conf->max_contig_interp;
00836
00837
00838 jb->info.conf.target_extra = ( conf->target_extra == -1 )
00839 ? JB_TARGET_EXTRA
00840 : conf->target_extra
00841 ;
00842
00843
00844 jb->info.current = jb->info.conf.target_extra;
00845 jb->info.target = jb->info.conf.target_extra;
00846
00847 return JB_OK;
00848 }
00849
00850