#include <asterisk/lock.h>
#include <asterisk/frame.h>
#include <asterisk/logger.h>
#include <asterisk/options.h>
#include <asterisk/cli.h>
#include <asterisk/term.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include "asterisk.h"
Go to the source code of this file.
Data Structures | |
struct | ast_smoother |
Defines | |
#define | SMOOTHER_SIZE 8000 |
Functions | |
void | ast_smoother_reset (struct ast_smoother *s, int size) |
ast_smoother * | ast_smoother_new (int size) |
int | ast_smoother_feed (struct ast_smoother *s, struct ast_frame *f) |
ast_frame * | ast_smoother_read (struct ast_smoother *s) |
void | ast_smoother_free (struct ast_smoother *s) |
void | ast_frfree (struct ast_frame *fr) |
Frees a frame. | |
ast_frame * | ast_frisolate (struct ast_frame *fr) |
Copies a frame. | |
ast_frame * | ast_frdup (struct ast_frame *f) |
Copies a frame. | |
ast_frame * | ast_fr_fdread (int fd) |
Reads a frame from an fd. | |
int | ast_fr_fdwrite (int fd, struct ast_frame *frame) |
Writes a frame to an fd. | |
int | ast_fr_fdhangup (int fd) |
Sends a hangup to an fd. | |
char * | ast_getformatname (int format) |
Get the name of a format. | |
int | ast_getformatbyname (char *name) |
char * | ast_codec2str (int codec) |
Get a name from a format. | |
void | ast_frame_dump (char *name, struct ast_frame *f, char *prefix) |
int | init_framer (void) |
Variables | |
ast_cli_entry | cli_show_codecs |
ast_cli_entry | cli_show_codecs_audio |
ast_cli_entry | cli_show_codecs_video |
ast_cli_entry | cli_show_codecs_image |
ast_cli_entry | cli_show_codec_n |
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Definition at line 34 of file frame.c. Referenced by ast_smoother_feed(). |
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Get a name from a format.
Definition at line 414 of file frame.c.
00414 { 00415 static char codecs[25][30] = { 00416 /* Audio formats */ 00417 "G.723.1", /* 0 */ 00418 "GSM", /* 1 */ 00419 "G.711 u-law", /* 2 */ 00420 "G.711 A-law", /* 3 */ 00421 "MPEG-2 layer 3", /* 4 */ 00422 "ADPCM", /* 5 */ 00423 "16 bit Signed Linear PCM", /* 6 */ 00424 "LPC10", /* 7 */ 00425 "G.729A audio", /* 8 */ 00426 "SpeeX", /* 9 */ 00427 "iLBC", /* 10 */ 00428 "undefined", /* 11 */ 00429 "undefined", /* 12 */ 00430 "undefined", /* 13 */ 00431 "undefined", /* 14 */ 00432 "Maximum audio format", /* 15 */ 00433 /* Image formats */ 00434 "JPEG image", /* 16 */ 00435 "PNG image", /* 17 */ 00436 "H.261 Video", /* 18 */ 00437 "H.263 Video", /* 19 */ 00438 "undefined", /* 20 */ 00439 "undefined", /* 21 */ 00440 "undefined", /* 22 */ 00441 "undefined", /* 23 */ 00442 "Maximum video format", /* 24 */ 00443 }; 00444 if ((codec >= 0) && (codec <= 24)) 00445 return codecs[codec]; 00446 else 00447 return "unknown"; 00448 } |
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Sends a hangup to an fd.
Definition at line 337 of file frame.c. References AST_CONTROL_HANGUP, ast_fr_fdwrite(), and AST_FRAME_CONTROL.
00338 { 00339 struct ast_frame hangup = { 00340 AST_FRAME_CONTROL, 00341 AST_CONTROL_HANGUP 00342 }; 00343 return ast_fr_fdwrite(fd, &hangup); 00344 } |
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Reads a frame from an fd.
Definition at line 275 of file frame.c. References AST_CONTROL_HANGUP, AST_FRAME_CONTROL, ast_frisolate(), ast_log(), and LOG_WARNING.
00276 { 00277 char buf[65536]; 00278 int res; 00279 int ttl = sizeof(struct ast_frame); 00280 struct ast_frame *f = (struct ast_frame *)buf; 00281 /* Read a frame directly from there. They're always in the 00282 right format. */ 00283 00284 while(ttl) { 00285 res = read(fd, buf, ttl); 00286 if (res < 0) { 00287 ast_log(LOG_WARNING, "Bad read on %d: %s\n", fd, strerror(errno)); 00288 return NULL; 00289 } 00290 ttl -= res; 00291 } 00292 00293 /* read the frame header */ 00294 f->mallocd = 0; 00295 /* Re-write data position */ 00296 f->data = buf + sizeof(struct ast_frame); 00297 f->offset = 0; 00298 /* Forget about being mallocd */ 00299 f->mallocd = 0; 00300 /* Re-write the source */ 00301 f->src = __FUNCTION__; 00302 if (f->datalen > sizeof(buf) - sizeof(struct ast_frame)) { 00303 /* Really bad read */ 00304 ast_log(LOG_WARNING, "Strange read (%d bytes)\n", f->datalen); 00305 return NULL; 00306 } 00307 if (f->datalen) { 00308 if ((res = read(fd, f->data, f->datalen)) != f->datalen) { 00309 /* Bad read */ 00310 ast_log(LOG_WARNING, "How very strange, expected %d, got %d\n", f->datalen, res); 00311 return NULL; 00312 } 00313 } 00314 if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP)) { 00315 return NULL; 00316 } 00317 return ast_frisolate(f); 00318 } |
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Writes a frame to an fd.
Definition at line 323 of file frame.c. References ast_log(), ast_frame::data, ast_frame::datalen, and LOG_WARNING. Referenced by ast_fr_fdhangup().
00324 { 00325 /* Write the frame exactly */ 00326 if (write(fd, frame, sizeof(struct ast_frame)) != sizeof(struct ast_frame)) { 00327 ast_log(LOG_WARNING, "Write error: %s\n", strerror(errno)); 00328 return -1; 00329 } 00330 if (write(fd, frame->data, frame->datalen) != frame->datalen) { 00331 ast_log(LOG_WARNING, "Write error: %s\n", strerror(errno)); 00332 return -1; 00333 } 00334 return 0; 00335 } |
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Definition at line 527 of file frame.c. References AST_CONTROL_ANSWER, AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_FLASH, AST_CONTROL_HANGUP, AST_CONTROL_OFFHOOK, AST_CONTROL_OPTION, AST_CONTROL_RADIO_KEY, AST_CONTROL_RADIO_UNKEY, AST_CONTROL_RING, AST_CONTROL_RINGING, AST_CONTROL_TAKEOFFHOOK, AST_CONTROL_WINK, AST_FRAME_CONTROL, AST_FRAME_DTMF, AST_FRAME_HTML, AST_FRAME_IAX, AST_FRAME_IMAGE, AST_FRAME_NULL, AST_FRAME_TEXT, AST_FRAME_VIDEO, AST_FRAME_VOICE, ast_getformatname(), AST_HTML_BEGIN, AST_HTML_DATA, AST_HTML_END, AST_HTML_LDCOMPLETE, AST_HTML_LINKREJECT, AST_HTML_LINKURL, AST_HTML_NOSUPPORT, AST_HTML_UNLINK, AST_HTML_URL, ast_verbose(), COLOR_BLACK, COLOR_BRCYAN, COLOR_BRGREEN, COLOR_BRMAGENTA, COLOR_BRRED, COLOR_YELLOW, ast_frame::data, ast_frame::frametype, ast_frame::subclass, and term_color(). Referenced by ast_read(), and ast_write().
00528 { 00529 char *n = "unknown"; 00530 char ftype[40] = "Unknown Frametype"; 00531 char cft[80]; 00532 char subclass[40] = "Unknown Subclass"; 00533 char csub[80]; 00534 char moreinfo[40] = ""; 00535 char cn[40]; 00536 char cp[40]; 00537 char cmn[40]; 00538 if (name) 00539 n = name; 00540 if (!f) { 00541 ast_verbose("%s [ %s (NULL) ] [%s]\n", 00542 term_color(cp, prefix, COLOR_BRMAGENTA, COLOR_BLACK, sizeof(cp)), 00543 term_color(cft, "HANGUP", COLOR_BRRED, COLOR_BLACK, sizeof(cft)), 00544 term_color(cn, n, COLOR_YELLOW, COLOR_BLACK, sizeof(cn))); 00545 return; 00546 } 00547 /* XXX We should probably print one each of voice and video when the format changes XXX */ 00548 if (f->frametype == AST_FRAME_VOICE) 00549 return; 00550 if (f->frametype == AST_FRAME_VIDEO) 00551 return; 00552 switch(f->frametype) { 00553 case AST_FRAME_DTMF: 00554 strcpy(ftype, "DTMF"); 00555 subclass[0] = f->subclass; 00556 subclass[1] = '\0'; 00557 break; 00558 case AST_FRAME_CONTROL: 00559 strcpy(ftype, "Control"); 00560 switch(f->subclass) { 00561 case AST_CONTROL_HANGUP: 00562 strcpy(subclass, "Hangup"); 00563 break; 00564 case AST_CONTROL_RING: 00565 strcpy(subclass, "Ring"); 00566 break; 00567 case AST_CONTROL_RINGING: 00568 strcpy(subclass, "Ringing"); 00569 break; 00570 case AST_CONTROL_ANSWER: 00571 strcpy(subclass, "Answer"); 00572 break; 00573 case AST_CONTROL_BUSY: 00574 strcpy(subclass, "Busy"); 00575 break; 00576 case AST_CONTROL_TAKEOFFHOOK: 00577 strcpy(subclass, "Take Off Hook"); 00578 break; 00579 case AST_CONTROL_OFFHOOK: 00580 strcpy(subclass, "Line Off Hook"); 00581 break; 00582 case AST_CONTROL_CONGESTION: 00583 strcpy(subclass, "Congestion"); 00584 break; 00585 case AST_CONTROL_FLASH: 00586 strcpy(subclass, "Flash"); 00587 break; 00588 case AST_CONTROL_WINK: 00589 strcpy(subclass, "Wink"); 00590 break; 00591 case AST_CONTROL_OPTION: 00592 strcpy(subclass, "Option"); 00593 break; 00594 case AST_CONTROL_RADIO_KEY: 00595 strcpy(subclass, "Key Radio"); 00596 break; 00597 case AST_CONTROL_RADIO_UNKEY: 00598 strcpy(subclass, "Unkey Radio"); 00599 break; 00600 default: 00601 snprintf(subclass, sizeof(subclass), "Unknown control '%d'", f->subclass); 00602 } 00603 case AST_FRAME_NULL: 00604 strcpy(ftype, "Null Frame"); 00605 strcpy(subclass, "N/A"); 00606 break; 00607 case AST_FRAME_IAX: 00608 /* Should never happen */ 00609 strcpy(ftype, "IAX Specific"); 00610 snprintf(subclass, sizeof(subclass), "IAX Frametype %d", f->subclass); 00611 break; 00612 case AST_FRAME_TEXT: 00613 strcpy(ftype, "Text"); 00614 strcpy(subclass, "N/A"); 00615 strncpy(moreinfo, f->data, sizeof(moreinfo) - 1); 00616 break; 00617 case AST_FRAME_IMAGE: 00618 strcpy(ftype, "Image"); 00619 snprintf(subclass, sizeof(subclass), "Image format %s\n", ast_getformatname(f->subclass)); 00620 break; 00621 case AST_FRAME_HTML: 00622 strcpy(ftype, "HTML"); 00623 switch(f->subclass) { 00624 case AST_HTML_URL: 00625 strcpy(subclass, "URL"); 00626 strncpy(moreinfo, f->data, sizeof(moreinfo) - 1); 00627 break; 00628 case AST_HTML_DATA: 00629 strcpy(subclass, "Data"); 00630 break; 00631 case AST_HTML_BEGIN: 00632 strcpy(subclass, "Begin"); 00633 break; 00634 case AST_HTML_END: 00635 strcpy(subclass, "End"); 00636 break; 00637 case AST_HTML_LDCOMPLETE: 00638 strcpy(subclass, "Load Complete"); 00639 break; 00640 case AST_HTML_NOSUPPORT: 00641 strcpy(subclass, "No Support"); 00642 break; 00643 case AST_HTML_LINKURL: 00644 strcpy(subclass, "Link URL"); 00645 strncpy(moreinfo, f->data, sizeof(moreinfo) - 1); 00646 break; 00647 case AST_HTML_UNLINK: 00648 strcpy(subclass, "Unlink"); 00649 break; 00650 case AST_HTML_LINKREJECT: 00651 strcpy(subclass, "Link Reject"); 00652 break; 00653 default: 00654 snprintf(subclass, sizeof(subclass), "Unknown HTML frame '%d'\n", f->subclass); 00655 break; 00656 } 00657 break; 00658 default: 00659 snprintf(ftype, sizeof(ftype), "Unknown Frametype '%d'", f->frametype); 00660 } 00661 if (strlen(moreinfo)) 00662 ast_verbose("%s [ TYPE: %s (%d) SUBCLASS: %s (%d) '%s' ] [%s]\n", 00663 term_color(cp, prefix, COLOR_BRMAGENTA, COLOR_BLACK, sizeof(cp)), 00664 term_color(cft, ftype, COLOR_BRRED, COLOR_BLACK, sizeof(cft)), 00665 f->frametype, 00666 term_color(csub, subclass, COLOR_BRCYAN, COLOR_BLACK, sizeof(csub)), 00667 f->subclass, 00668 term_color(cmn, moreinfo, COLOR_BRGREEN, COLOR_BLACK, sizeof(cmn)), 00669 term_color(cn, n, COLOR_YELLOW, COLOR_BLACK, sizeof(cn))); 00670 else 00671 ast_verbose("%s [ TYPE: %s (%d) SUBCLASS: %s (%d) ] [%s]\n", 00672 term_color(cp, prefix, COLOR_BRMAGENTA, COLOR_BLACK, sizeof(cp)), 00673 term_color(cft, ftype, COLOR_BRRED, COLOR_BLACK, sizeof(cft)), 00674 f->frametype, 00675 term_color(csub, subclass, COLOR_BRCYAN, COLOR_BLACK, sizeof(csub)), 00676 f->subclass, 00677 term_color(cn, n, COLOR_YELLOW, COLOR_BLACK, sizeof(cn))); 00678 00679 } |
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Copies a frame.
Definition at line 240 of file frame.c. References AST_FRIENDLY_OFFSET, AST_MALLOCD_HDR, ast_frame::data, ast_frame::datalen, ast_frame::frametype, malloc, ast_frame::samples, ast_frame::src, and ast_frame::subclass. Referenced by ast_queue_frame(), and ast_rtp_write().
00241 { 00242 struct ast_frame *out; 00243 int len; 00244 void *buf; 00245 /* Start with standard stuff */ 00246 len = sizeof(struct ast_frame) + AST_FRIENDLY_OFFSET + f->datalen; 00247 /* If we have a source, add space for it */ 00248 if (f->src && strlen(f->src)) 00249 len += strlen(f->src) + 1; 00250 buf = malloc(len); 00251 if (!buf) 00252 return NULL; 00253 out = buf; 00254 /* Set us as having malloc'd header only, so it will eventually 00255 get freed. */ 00256 out->frametype = f->frametype; 00257 out->subclass = f->subclass; 00258 out->datalen = f->datalen; 00259 out->samples = f->samples; 00260 out->mallocd = AST_MALLOCD_HDR; 00261 out->offset = AST_FRIENDLY_OFFSET; 00262 out->data = buf + sizeof(struct ast_frame) + AST_FRIENDLY_OFFSET; 00263 if (f->src && strlen(f->src)) { 00264 out->src = out->data + f->datalen; 00265 /* Must have space since we allocated for it */ 00266 strcpy(out->src, f->src); 00267 } else 00268 out->src = NULL; 00269 out->prev = NULL; 00270 out->next = NULL; 00271 memcpy(out->data, f->data, out->datalen); 00272 return out; 00273 } |
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Copies a frame.
Definition at line 199 of file frame.c. References AST_FRIENDLY_OFFSET, ast_log(), AST_MALLOCD_DATA, AST_MALLOCD_HDR, AST_MALLOCD_SRC, ast_frame::data, ast_frame::datalen, ast_frame::frametype, free, LOG_WARNING, malloc, ast_frame::mallocd, ast_frame::samples, ast_frame::src, strdup, and ast_frame::subclass. Referenced by ast_fr_fdread().
00200 { 00201 struct ast_frame *out; 00202 if (!(fr->mallocd & AST_MALLOCD_HDR)) { 00203 /* Allocate a new header if needed */ 00204 out = ast_frame_header_new(); 00205 if (!out) { 00206 ast_log(LOG_WARNING, "Out of memory\n"); 00207 return NULL; 00208 } 00209 out->frametype = fr->frametype; 00210 out->subclass = fr->subclass; 00211 out->datalen = 0; 00212 out->samples = fr->samples; 00213 out->offset = 0; 00214 out->src = NULL; 00215 out->data = NULL; 00216 } else { 00217 out = fr; 00218 } 00219 if (!(fr->mallocd & AST_MALLOCD_SRC)) { 00220 if (fr->src) 00221 out->src = strdup(fr->src); 00222 } else 00223 out->src = fr->src; 00224 if (!(fr->mallocd & AST_MALLOCD_DATA)) { 00225 out->data = malloc(fr->datalen + AST_FRIENDLY_OFFSET); 00226 if (!out->data) { 00227 free(out); 00228 ast_log(LOG_WARNING, "Out of memory\n"); 00229 return NULL; 00230 } 00231 out->data += AST_FRIENDLY_OFFSET; 00232 out->offset = AST_FRIENDLY_OFFSET; 00233 out->datalen = fr->datalen; 00234 memcpy(out->data, fr->data, fr->datalen); 00235 } 00236 out->mallocd = AST_MALLOCD_HDR | AST_MALLOCD_SRC | AST_MALLOCD_DATA; 00237 return out; 00238 } |
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Definition at line 381 of file frame.c. References AST_FORMAT_ADPCM, AST_FORMAT_ALAW, AST_FORMAT_G723_1, AST_FORMAT_G726, AST_FORMAT_G729A, AST_FORMAT_GSM, AST_FORMAT_H261, AST_FORMAT_H263, AST_FORMAT_ILBC, AST_FORMAT_LPC10, AST_FORMAT_SLINEAR, AST_FORMAT_SPEEX, and AST_FORMAT_ULAW.
00382 { 00383 if (!strcasecmp(name, "g723.1")) 00384 return AST_FORMAT_G723_1; 00385 else if (!strcasecmp(name, "gsm")) 00386 return AST_FORMAT_GSM; 00387 else if (!strcasecmp(name, "ulaw")) 00388 return AST_FORMAT_ULAW; 00389 else if (!strcasecmp(name, "alaw")) 00390 return AST_FORMAT_ALAW; 00391 else if (!strcasecmp(name, "g726")) 00392 return AST_FORMAT_G726; 00393 else if (!strcasecmp(name, "slinear")) 00394 return AST_FORMAT_SLINEAR; 00395 else if (!strcasecmp(name, "lpc10")) 00396 return AST_FORMAT_LPC10; 00397 else if (!strcasecmp(name, "adpcm")) 00398 return AST_FORMAT_ADPCM; 00399 else if (!strcasecmp(name, "g729")) 00400 return AST_FORMAT_G729A; 00401 else if (!strcasecmp(name, "speex")) 00402 return AST_FORMAT_SPEEX; 00403 else if (!strcasecmp(name, "ilbc")) 00404 return AST_FORMAT_ILBC; 00405 else if (!strcasecmp(name, "h261")) 00406 return AST_FORMAT_H261; 00407 else if (!strcasecmp(name, "h263")) 00408 return AST_FORMAT_H263; 00409 else if (!strcasecmp(name, "all")) 00410 return 0x7FFFFFFF; 00411 return 0; 00412 } |
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Get the name of a format.
Definition at line 346 of file frame.c. References AST_FORMAT_ADPCM, AST_FORMAT_ALAW, AST_FORMAT_G723_1, AST_FORMAT_G726, AST_FORMAT_G729A, AST_FORMAT_GSM, AST_FORMAT_H261, AST_FORMAT_H263, AST_FORMAT_ILBC, AST_FORMAT_JPEG, AST_FORMAT_LPC10, AST_FORMAT_PNG, AST_FORMAT_SLINEAR, AST_FORMAT_SPEEX, and AST_FORMAT_ULAW. Referenced by ast_frame_dump(), ast_read(), ast_register_translator(), ast_rtp_read(), ast_rtp_write(), ast_set_read_format(), ast_set_write_format(), ast_streamfile(), ast_translator_build_path(), and ast_writestream().
00347 { 00348 if (format == AST_FORMAT_G723_1) 00349 return "G723"; 00350 else if (format == AST_FORMAT_GSM) 00351 return "GSM"; 00352 else if (format == AST_FORMAT_ULAW) 00353 return "ULAW"; 00354 else if (format == AST_FORMAT_ALAW) 00355 return "ALAW"; 00356 else if (format == AST_FORMAT_G726) 00357 return "G726"; 00358 else if (format == AST_FORMAT_SLINEAR) 00359 return "SLINR"; 00360 else if (format == AST_FORMAT_LPC10) 00361 return "LPC10"; 00362 else if (format == AST_FORMAT_ADPCM) 00363 return "ADPCM"; 00364 else if (format == AST_FORMAT_G729A) 00365 return "G729A"; 00366 else if (format == AST_FORMAT_SPEEX) 00367 return "SPEEX"; 00368 else if (format == AST_FORMAT_ILBC) 00369 return "ILBC"; 00370 else if (format == AST_FORMAT_JPEG) 00371 return "JPEG"; 00372 else if (format == AST_FORMAT_PNG) 00373 return "PNG"; 00374 else if (format == AST_FORMAT_H261) 00375 return "H261"; 00376 else if (format == AST_FORMAT_H263) 00377 return "H263"; 00378 return "UNKN"; 00379 } |
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Definition at line 66 of file frame.c. References AST_FRAME_VOICE, ast_log(), ast_frame::data, ast_frame::datalen, ast_frame::frametype, LOG_WARNING, s, ast_frame::samples, SMOOTHER_SIZE, and ast_frame::subclass. Referenced by ast_rtp_write().
00067 { 00068 if (f->frametype != AST_FRAME_VOICE) { 00069 ast_log(LOG_WARNING, "Huh? Can't smooth a non-voice frame!\n"); 00070 return -1; 00071 } 00072 if (!s->format) { 00073 s->format = f->subclass; 00074 s->samplesperbyte = (float)f->samples / (float)f->datalen; 00075 } else if (s->format != f->subclass) { 00076 ast_log(LOG_WARNING, "Smoother was working on %d format frames, now trying to feed %d?\n", s->format, f->subclass); 00077 return -1; 00078 } 00079 if (s->len + f->datalen > SMOOTHER_SIZE) { 00080 ast_log(LOG_WARNING, "Out of smoother space\n"); 00081 return -1; 00082 } 00083 if ((f->datalen == s->size) && !s->opt) { 00084 if (!s->len) { 00085 /* Optimize by sending the frame we just got 00086 on the next read, thus eliminating the douple 00087 copy */ 00088 s->opt = f; 00089 return 0; 00090 } else { 00091 s->optimizablestream++; 00092 if (s->optimizablestream > 10) { 00093 /* For the past 10 rounds, we have input and output 00094 frames of the correct size for this smoother, yet 00095 we were unable to optimize because there was still 00096 some cruft left over. Lets just drop the cruft so 00097 we can move to a fully optimized path */ 00098 s->len = 0; 00099 s->opt = f; 00100 return 0; 00101 } 00102 } 00103 } else 00104 s->optimizablestream = 0; 00105 memcpy(s->data + s->len, f->data, f->datalen); 00106 s->len += f->datalen; 00107 return 0; 00108 } |
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Definition at line 142 of file frame.c. Referenced by ast_rtp_destroy(), and ast_rtp_write().
00143 { 00144 free(s); 00145 } |
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Definition at line 55 of file frame.c. References ast_smoother_reset(), malloc, and s. Referenced by ast_rtp_write().
00056 { 00057 struct ast_smoother *s; 00058 if (size < 1) 00059 return NULL; 00060 s = malloc(sizeof(struct ast_smoother)); 00061 if (s) 00062 ast_smoother_reset(s, size); 00063 return s; 00064 } |
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Definition at line 110 of file frame.c. References AST_FRAME_VOICE, AST_FRIENDLY_OFFSET, and s. Referenced by ast_rtp_write().
00111 { 00112 struct ast_frame *opt; 00113 00114 /* IF we have an optimization frame, send it */ 00115 if (s->opt) { 00116 opt = s->opt; 00117 s->opt = NULL; 00118 return opt; 00119 } 00120 00121 /* Make sure we have enough data */ 00122 if (s->len < s->size) { 00123 return NULL; 00124 } 00125 /* Make frame */ 00126 s->f.frametype = AST_FRAME_VOICE; 00127 s->f.subclass = s->format; 00128 s->f.data = s->framedata + AST_FRIENDLY_OFFSET; 00129 s->f.offset = AST_FRIENDLY_OFFSET; 00130 s->f.datalen = s->size; 00131 s->f.samples = s->size * s->samplesperbyte; 00132 /* Fill Data */ 00133 memcpy(s->f.data, s->data, s->size); 00134 s->len -= s->size; 00135 /* Move remaining data to the front if applicable */ 00136 if (s->len) 00137 memmove(s->data, s->data + s->size, s->len); 00138 /* Return frame */ 00139 return &s->f; 00140 } |
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Definition at line 49 of file frame.c. References s. Referenced by ast_smoother_new().
00050 { 00051 memset(s, 0, sizeof(struct ast_smoother)); 00052 s->size = size; 00053 } |
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Definition at line 709 of file frame.c. References ast_cli_register(), cli_show_codec_n, cli_show_codecs, cli_show_codecs_audio, cli_show_codecs_image, and cli_show_codecs_video. Referenced by main().
00710 { 00711 #ifdef TRACE_FRAMES 00712 ast_cli_register(&cli_frame_stats); 00713 #endif 00714 ast_cli_register(&cli_show_codecs); 00715 ast_cli_register(&cli_show_codecs_audio); 00716 ast_cli_register(&cli_show_codecs_video); 00717 ast_cli_register(&cli_show_codecs_image); 00718 ast_cli_register(&cli_show_codec_n); 00719 return 0; 00720 } |
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Initial value: { { "show", "codec", NULL }, show_codec_n, "Shows a specific codec", frame_show_codec_n_usage } Definition at line 524 of file frame.c. Referenced by init_framer(). |
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Initial value: { { "show", "codecs", NULL }, show_codecs, "Shows codecs", frame_show_codecs_usage } Definition at line 489 of file frame.c. Referenced by init_framer(). |
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Initial value: { { "show", "audio", "codecs", NULL }, show_codecs, "Shows audio codecs", frame_show_codecs_usage } Definition at line 491 of file frame.c. Referenced by init_framer(). |
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Initial value: { { "show", "image", "codecs", NULL }, show_codecs, "Shows image codecs", frame_show_codecs_usage } Definition at line 495 of file frame.c. Referenced by init_framer(). |
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Initial value: { { "show", "video", "codecs", NULL }, show_codecs, "Shows video codecs", frame_show_codecs_usage } Definition at line 493 of file frame.c. Referenced by init_framer(). |