/*! \brief Convert a file from one format to another */ static int cli_audio_convert(int fd, int argc, char *argv[]) { int ret = RESULT_FAILURE; struct ast_filestream *fs_in = NULL, *fs_out = NULL; struct ast_frame *f; struct timeval start; int cost; char *file_in = NULL, *file_out = NULL; char *name_in, *ext_in, *name_out, *ext_out; ast_atomic_fetchadd_int(&me->usecnt, +1); if (argc != 3 || ast_strlen_zero(argv[1]) || ast_strlen_zero(argv[2])) { ret = RESULT_SHOWUSAGE; goto fail_out; } file_in = ast_strdupa(argv[1]); file_out = ast_strdupa(argv[2]); if (split_ext(file_in, &name_in, &ext_in)) { ast_cli(fd, "'%s' is an invalid filename!\n", argv[1]); goto fail_out; } if (!(fs_in = ast_readfile(name_in, ext_in, NULL, O_RDONLY, 0, 0))) { ast_cli(fd, "Unable to open input file: %s\n", argv[1]); goto fail_out; } if (split_ext(file_out, &name_out, &ext_out)) { ast_cli(fd, "'%s' is an invalid filename!\n", argv[2]); goto fail_out; } if (!(fs_out = ast_writefile(name_out, ext_out, NULL, O_CREAT|O_TRUNC|O_WRONLY, 0, 0644))) { ast_cli(fd, "Unable to open output file: %s\n", argv[2]); goto fail_out; } start = ast_tvnow(); while ((f = ast_readframe(fs_in))) { if (ast_writestream(fs_out, f)) { ast_cli(fd, "Failed to convert %s.%s to %s.%s!\n", name_in, ext_in, name_out, ext_out); goto fail_out; } } cost = ast_tvdiff_ms(ast_tvnow(), start); ast_cli(fd, "Converted %s.%s to %s.%s in %dms\n", name_in, ext_in, name_out, ext_out, cost); ret = RESULT_SUCCESS; fail_out: if (fs_out) { ast_closestream(fs_out); if (ret != RESULT_SUCCESS) ast_filedelete(name_out, ext_out); } if (fs_in) ast_closestream(fs_in); ast_atomic_fetchadd_int(&me->usecnt, -1); return ret; }
/*! * \brief Convert a file from one format to another * \param e CLI entry * \param cmd command number * \param a list of cli arguments * \retval CLI_SUCCESS on success. * \retval CLI_SHOWUSAGE or CLI_FAILURE on failure. */ static char *handle_cli_file_convert(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) { char *ret = CLI_FAILURE; struct ast_filestream *fs_in = NULL, *fs_out = NULL; struct ast_frame *f; struct timeval start; int cost; char *file_in = NULL, *file_out = NULL; char *name_in, *ext_in, *name_out, *ext_out; switch (cmd) { case CLI_INIT: e->command = "file convert"; e->usage = "Usage: file convert <file_in> <file_out>\n" " Convert from file_in to file_out. If an absolute path\n" " is not given, the default Asterisk sounds directory\n" " will be used.\n\n" " Example:\n" " file convert tt-weasels.gsm tt-weasels.ulaw\n"; return NULL; case CLI_GENERATE: return NULL; } /* ugly, can be removed when CLI entries have ast_module pointers */ ast_module_ref(ast_module_info->self); if (a->argc != 4 || ast_strlen_zero(a->argv[2]) || ast_strlen_zero(a->argv[3])) { ret = CLI_SHOWUSAGE; goto fail_out; } file_in = ast_strdupa(a->argv[2]); file_out = ast_strdupa(a->argv[3]); if (split_ext(file_in, &name_in, &ext_in)) { ast_cli(a->fd, "'%s' is an invalid filename!\n", a->argv[2]); goto fail_out; } if (!(fs_in = ast_readfile(name_in, ext_in, NULL, O_RDONLY, 0, 0))) { ast_cli(a->fd, "Unable to open input file: %s\n", a->argv[2]); goto fail_out; } if (split_ext(file_out, &name_out, &ext_out)) { ast_cli(a->fd, "'%s' is an invalid filename!\n", a->argv[3]); goto fail_out; } if (!(fs_out = ast_writefile(name_out, ext_out, NULL, O_CREAT|O_TRUNC|O_WRONLY, 0, AST_FILE_MODE))) { ast_cli(a->fd, "Unable to open output file: %s\n", a->argv[3]); goto fail_out; } start = ast_tvnow(); while ((f = ast_readframe(fs_in))) { if (ast_writestream(fs_out, f)) { ast_frfree(f); ast_cli(a->fd, "Failed to convert %s.%s to %s.%s!\n", name_in, ext_in, name_out, ext_out); goto fail_out; } ast_frfree(f); } cost = ast_tvdiff_ms(ast_tvnow(), start); ast_cli(a->fd, "Converted %s.%s to %s.%s in %dms\n", name_in, ext_in, name_out, ext_out, cost); ret = CLI_SUCCESS; fail_out: if (fs_out) { ast_closestream(fs_out); if (ret != CLI_SUCCESS) ast_filedelete(name_out, ext_out); } if (fs_in) ast_closestream(fs_in); ast_module_unref(ast_module_info->self); return ret; }
int ast_play_and_prepend(struct ast_channel *chan, char *playfile, char *recordfile, int maxtime, char *fmt, int *duration, int beep, int silencethreshold, int maxsilence) { int d = 0; char *fmts; char comment[256]; int x, fmtcnt=1, res=-1,outmsg=0; struct ast_frame *f; struct ast_filestream *others[MAX_OTHER_FORMATS]; struct ast_filestream *realfiles[MAX_OTHER_FORMATS]; char *sfmt[MAX_OTHER_FORMATS]; char *stringp=NULL; time_t start, end; struct ast_dsp *sildet; /* silence detector dsp */ int totalsilence = 0; int dspsilence = 0; int gotsilence = 0; /* did we timeout for silence? */ int rfmt=0; char prependfile[80]; if (silencethreshold < 0) silencethreshold = global_silence_threshold; if (maxsilence < 0) maxsilence = global_maxsilence; /* barf if no pointer passed to store duration in */ if (duration == NULL) { ast_log(LOG_WARNING, "Error play_and_prepend called without duration pointer\n"); return -1; } ast_log(LOG_DEBUG,"play_and_prepend: %s, %s, '%s'\n", playfile ? playfile : "<None>", recordfile, fmt); snprintf(comment,sizeof(comment),"Playing %s, Recording to: %s on %s\n", playfile ? playfile : "<None>", recordfile, chan->name); if (playfile || beep) { if (!beep) d = ast_play_and_wait(chan, playfile); if (d > -1) d = ast_streamfile(chan, "beep",chan->language); if (!d) d = ast_waitstream(chan,""); if (d < 0) return -1; } strncpy(prependfile, recordfile, sizeof(prependfile) -1); strncat(prependfile, "-prepend", sizeof(prependfile) - strlen(prependfile) - 1); fmts = ast_strdupa(fmt); stringp=fmts; strsep(&stringp, "|"); ast_log(LOG_DEBUG,"Recording Formats: sfmts=%s\n", fmts); sfmt[0] = ast_strdupa(fmts); while((fmt = strsep(&stringp, "|"))) { if (fmtcnt > MAX_OTHER_FORMATS - 1) { ast_log(LOG_WARNING, "Please increase MAX_OTHER_FORMATS in app_voicemail.c\n"); break; } sfmt[fmtcnt++] = ast_strdupa(fmt); } time(&start); end=start; /* pre-initialize end to be same as start in case we never get into loop */ for (x=0; x<fmtcnt; x++) { others[x] = ast_writefile(prependfile, sfmt[x], comment, O_TRUNC, 0, 0700); ast_verbose( VERBOSE_PREFIX_3 "x=%i, open writing: %s format: %s, %p\n", x, prependfile, sfmt[x], others[x]); if (!others[x]) { break; } } sildet = ast_dsp_new(); /* Create the silence detector */ if (!sildet) { ast_log(LOG_WARNING, "Unable to create silence detector :(\n"); return -1; } ast_dsp_set_threshold(sildet, silencethreshold); if (maxsilence > 0) { rfmt = chan->readformat; res = ast_set_read_format(chan, AST_FORMAT_SLINEAR); if (res < 0) { ast_log(LOG_WARNING, "Unable to set to linear mode, giving up\n"); return -1; } } if (x == fmtcnt) { /* Loop forever, writing the packets we read to the writer(s), until we read a # or get a hangup */ f = NULL; for(;;) { res = ast_waitfor(chan, 2000); if (!res) { ast_log(LOG_DEBUG, "One waitfor failed, trying another\n"); /* Try one more time in case of masq */ res = ast_waitfor(chan, 2000); if (!res) { ast_log(LOG_WARNING, "No audio available on %s??\n", chan->name); res = -1; } } if (res < 0) { f = NULL; break; } f = ast_read(chan); if (!f) break; if (f->frametype == AST_FRAME_VOICE) { /* write each format */ for (x=0; x<fmtcnt; x++) { if (!others[x]) break; res = ast_writestream(others[x], f); } /* Silence Detection */ if (maxsilence > 0) { dspsilence = 0; ast_dsp_silence(sildet, f, &dspsilence); if (dspsilence) totalsilence = dspsilence; else totalsilence = 0; if (totalsilence > maxsilence) { /* Ended happily with silence */ if (option_verbose > 2) ast_verbose( VERBOSE_PREFIX_3 "Recording automatically stopped after a silence of %d seconds\n", totalsilence/1000); ast_frfree(f); gotsilence = 1; outmsg=2; break; } } /* Exit on any error */ if (res) { ast_log(LOG_WARNING, "Error writing frame\n"); ast_frfree(f); break; } } else if (f->frametype == AST_FRAME_VIDEO) { /* Write only once */ ast_writestream(others[0], f); } else if (f->frametype == AST_FRAME_DTMF) { /* stop recording with any digit */ if (option_verbose > 2) ast_verbose( VERBOSE_PREFIX_3 "User ended message by pressing %c\n", f->subclass); res = 't'; outmsg = 2; ast_frfree(f); break; } if (maxtime) { time(&end); if (maxtime < (end - start)) { if (option_verbose > 2) ast_verbose( VERBOSE_PREFIX_3 "Took too long, cutting it short...\n"); res = 't'; outmsg=2; ast_frfree(f); break; } } ast_frfree(f); } if (end == start) time(&end); if (!f) { if (option_verbose > 2) ast_verbose( VERBOSE_PREFIX_3 "User hung up\n"); res = -1; outmsg=1; #if 0 /* delete all the prepend files */ for (x=0; x<fmtcnt; x++) { if (!others[x]) break; ast_closestream(others[x]); ast_filedelete(prependfile, sfmt[x]); } #endif } } else { ast_log(LOG_WARNING, "Error creating writestream '%s', format '%s'\n", prependfile, sfmt[x]); } *duration = end - start; #if 0 if (outmsg > 1) { #else if (outmsg) { #endif struct ast_frame *fr; for (x=0; x<fmtcnt; x++) { snprintf(comment, sizeof(comment), "Opening the real file %s.%s\n", recordfile, sfmt[x]); realfiles[x] = ast_readfile(recordfile, sfmt[x], comment, O_RDONLY, 0, 0); if (!others[x] || !realfiles[x]) break; if (totalsilence) ast_stream_rewind(others[x], totalsilence-200); else ast_stream_rewind(others[x], 200); ast_truncstream(others[x]); /* add the original file too */ while ((fr = ast_readframe(realfiles[x]))) { ast_writestream(others[x],fr); } ast_closestream(others[x]); ast_closestream(realfiles[x]); ast_filerename(prependfile, recordfile, sfmt[x]); #if 0 ast_verbose("Recording Format: sfmts=%s, prependfile %s, recordfile %s\n", sfmt[x],prependfile,recordfile); #endif ast_filedelete(prependfile, sfmt[x]); } } if (rfmt) { if (ast_set_read_format(chan, rfmt)) { ast_log(LOG_WARNING, "Unable to restore format %s to channel '%s'\n", ast_getformatname(rfmt), chan->name); } } if (outmsg) { if (outmsg > 1) { /* Let them know it worked */ ast_streamfile(chan, "auth-thankyou", chan->language); ast_waitstream(chan, ""); } } return res; } int ast_lock_path(const char *path) { char *s; char *fs; int res; int fd; time_t start; s = alloca(strlen(path) + 10); fs = alloca(strlen(path) + 20); if (!fs || !s) { ast_log(LOG_WARNING, "Out of memory!\n"); return -1; } snprintf(fs, strlen(path) + 19, "%s/%s-%08x", path, ".lock", rand()); fd = open(fs, O_WRONLY | O_CREAT | O_EXCL, 0600); if (fd < 0) { fprintf(stderr, "Unable to create lock file: %s\n", strerror(errno)); return -1; } close(fd); snprintf(s, strlen(path) + 9, "%s/%s", path, ".lock"); time(&start); while (((res = link(fs, s)) < 0) && (errno == EEXIST) && (time(NULL) - start < 5)) usleep(1); if (res < 0) { ast_log(LOG_WARNING, "Failed to lock path '%s': %s\n", path, strerror(errno)); } unlink(fs); ast_log(LOG_DEBUG, "Locked path '%s'\n", path); return res; }