#include <fcntl.h>
#include <sys/mman.h>
Go to the source code of this file.
Defines | |
#define | AST_DIGIT_ANY "0123456789#*ABCD" |
#define | AST_DIGIT_ANYNUM "0123456789" |
#define | AST_MAX_FORMATS 10 |
#define | AST_RESERVED_POINTERS 20 |
#define | SEEK_FORCECUR 10 |
Functions | |
int | ast_applystream (struct ast_channel *chan, struct ast_filestream *s) |
Applys a open stream to a channel. | |
int | ast_closestream (struct ast_filestream *f) |
Closes a stream. | |
int | ast_file_init (void) |
int | ast_filecopy (const char *oldname, const char *newname, const char *fmt) |
Copies a file. | |
int | ast_filedelete (const char *filename, const char *fmt) |
Deletes a file. | |
int | ast_fileexists (const char *filename, const char *fmt, const char *preflang) |
Checks for the existence of a given file. | |
int | ast_filerename (const char *oldname, const char *newname, const char *fmt) |
Renames a file. | |
char * | ast_format_str_reduce (char *fmts) |
ast_filestream * | ast_openstream (struct ast_channel *chan, const char *filename, const char *preflang) |
Opens stream for use in seeking, playing. | |
ast_filestream * | ast_openstream_full (struct ast_channel *chan, const char *filename, const char *preflang, int asis) |
Opens stream for use in seeking, playing. | |
ast_filestream * | ast_openvstream (struct ast_channel *chan, const char *filename, const char *preflang) |
Opens stream for use in seeking, playing. | |
int | ast_playstream (struct ast_filestream *s) |
Play a open stream on a channel. | |
ast_filestream * | ast_readfile (const char *filename, const char *type, const char *comment, int flags, int check, mode_t mode) |
Starts reading from a file. | |
ast_frame * | ast_readframe (struct ast_filestream *s) |
Read a frame from a filestream. | |
int | ast_seekstream (struct ast_filestream *fs, off_t sample_offset, int whence) |
Seeks into stream. | |
int | ast_stopstream (struct ast_channel *c) |
Stops a stream. | |
int | ast_stream_and_wait (struct ast_channel *chan, const char *file, const char *digits) |
stream file until digit If the file name is non-empty, try to play it. | |
int | ast_stream_fastforward (struct ast_filestream *fs, off_t ms) |
Fast forward stream ms. | |
int | ast_stream_rewind (struct ast_filestream *fs, off_t ms) |
Rewind stream ms. | |
int | ast_streamfile (struct ast_channel *c, const char *filename, const char *preflang) |
Streams a file. | |
off_t | ast_tellstream (struct ast_filestream *fs) |
Tell where we are in a stream. | |
int | ast_truncstream (struct ast_filestream *fs) |
Trunc stream at current location. | |
int | ast_waitstream (struct ast_channel *c, const char *breakon) |
Waits for a stream to stop or digit to be pressed. | |
int | ast_waitstream_exten (struct ast_channel *c, const char *context) |
Waits for a stream to stop or digit matching a valid one digit exten to be pressed. | |
int | ast_waitstream_fr (struct ast_channel *c, const char *breakon, const char *forward, const char *rewind, int ms) |
Same as waitstream but allows stream to be forwarded or rewound. | |
int | ast_waitstream_full (struct ast_channel *c, const char *breakon, int audiofd, int monfd) |
ast_filestream * | ast_writefile (const char *filename, const char *type, const char *comment, int flags, int check, mode_t mode) |
Starts writing a file. | |
int | ast_writestream (struct ast_filestream *fs, struct ast_frame *f) |
Writes a frame to a stream. |
Definition in file file.h.
#define AST_DIGIT_ANY "0123456789#*ABCD" |
Convenient for waiting
Definition at line 47 of file file.h.
Referenced by ast_ivr_menu_run_internal(), ast_play_and_wait(), ast_readstring_full(), ast_record_review(), bridge_playfile(), builtin_atxfer(), builtin_blindtransfer(), conf_exec(), conf_run(), dial_exec_full(), dictate_exec(), directory_exec(), feature_attended_transfer(), feature_blind_transfer(), festival_exec(), get_folder(), grab_transfer(), ivr_dispatch(), menu_callback(), pbx_builtin_background(), play_file(), play_mailbox_owner(), play_message(), play_message_callerid(), play_message_datetime(), play_message_duration(), play_record_review(), retrydial_exec(), say_and_wait(), say_position(), sayname(), sayunixtime_exec(), select_item_menu(), select_item_seq(), vm_intro_gr(), vm_intro_he(), vm_intro_multilang(), vm_intro_pt(), vm_intro_pt_BR(), vmsayname_exec(), and wait_file2().
#define AST_DIGIT_ANYNUM "0123456789" |
#define AST_MAX_FORMATS 10 |
The maximum number of formats we expect to see in a format string
Definition at line 44 of file file.h.
Referenced by __ast_play_and_record(), and ast_format_str_reduce().
#define SEEK_FORCECUR 10 |
Definition at line 50 of file file.h.
Referenced by __ast_read(), ast_write(), au_seek(), g719seek(), g729_seek(), gsm_seek(), ilbc_seek(), pcm_seek(), siren14seek(), siren7seek(), slinear_seek(), vox_seek(), and wav_seek().
int ast_applystream | ( | struct ast_channel * | chan, | |
struct ast_filestream * | s | |||
) |
Applys a open stream to a channel.
chan | channel to work | |
s | ast_filestream to apply |
0 | on success. | |
-1 | on failure. |
Definition at line 860 of file file.c.
References ast_filestream::owner.
Referenced by ast_streamfile(), handle_getoption(), handle_recordfile(), handle_streamfile(), and speech_streamfile().
00861 { 00862 s->owner = chan; 00863 return 0; 00864 }
int ast_closestream | ( | struct ast_filestream * | f | ) |
Closes a stream.
f | filestream to close Close a playback or recording stream |
0 | on success. | |
-1 | on failure. |
Definition at line 903 of file file.c.
References ao2_ref, f, and filestream_close().
Referenced by ast_filehelper(), ast_hangup(), ast_moh_files_next(), ast_monitor_start(), ast_monitor_stop(), ast_readfile(), ast_stopstream(), ast_writefile(), dictate_exec(), filestream_destructor(), gen_closestream(), handle_cli_file_convert(), handle_recordfile(), local_ast_moh_stop(), mixmonitor_ds_close_fs(), moh_files_release(), and rpt().
00904 { 00905 /* This used to destroy the filestream, but it now just decrements a refcount. 00906 * We close the stream in order to quit queuing frames now, because we might 00907 * change the writeformat, which could result in a subsequent write error, if 00908 * the format is different. */ 00909 filestream_close(f); 00910 ao2_ref(f, -1); 00911 return 0; 00912 }
int ast_file_init | ( | void | ) |
Provided by file.c
Definition at line 1489 of file file.c.
References ARRAY_LEN, ast_cli_register_multiple(), and cli_file.
01490 { 01491 ast_cli_register_multiple(cli_file, ARRAY_LEN(cli_file)); 01492 return 0; 01493 }
int ast_filecopy | ( | const char * | oldname, | |
const char * | newname, | |||
const char * | fmt | |||
) |
Copies a file.
oldname | name of the file you wish to copy (minus extension) | |
newname | name you wish the file to be copied to (minus extension) | |
fmt | the format of the file Copy a given file in a given format, or if fmt is NULL, then do so for all |
Definition at line 942 of file file.c.
References ast_filehelper().
Referenced by copy_plain_file(), and vm_forwardoptions().
00943 { 00944 return ast_filehelper(filename, filename2, fmt, ACTION_COPY); 00945 }
int ast_filedelete | ( | const char * | filename, | |
const char * | fmt | |||
) |
Deletes a file.
filename | name of the file you wish to delete (minus the extension) | |
fmt | of the file Delete a given file in a given format, or if fmt is NULL, then do so for all |
Definition at line 932 of file file.c.
References ACTION_DELETE, and ast_filehelper().
Referenced by announce_thread(), ast_monitor_start(), ast_monitor_stop(), conf_free(), dial_exec_full(), handle_cli_file_convert(), leave_voicemail(), play_record_review(), setup_privacy_args(), and vm_delete().
00933 { 00934 return ast_filehelper(filename, NULL, fmt, ACTION_DELETE); 00935 }
int ast_fileexists | ( | const char * | filename, | |
const char * | fmt, | |||
const char * | preflang | |||
) |
Checks for the existence of a given file.
filename | name of the file you wish to check, minus the extension | |
fmt | the format you wish to check (the extension) | |
preflang | (the preferred language you wisht to find the file in) See if a given file exists in a given format. If fmt is NULL, any format is accepted. |
Definition at line 918 of file file.c.
References ast_filestream::buf, and fileexists_core().
Referenced by announce_thread(), app_exec(), ast_moh_files_next(), ast_monitor_start(), ast_monitor_stop(), common_exec(), conf_run(), dial_exec_full(), eivr_comm(), forward_message(), function_playback(), get_folder(), invent_message(), leave_voicemail(), minivm_delete_exec(), play_file(), play_message(), play_message_callerid(), readexten_exec(), record_exec(), retrydial_exec(), rpt_tele_thread(), say_character_str_full(), say_digit_str_full(), say_phonetic_str_full(), sayname(), saynode(), setup_privacy_args(), vm_intro(), vm_newuser(), vm_options(), and vm_tempgreeting().
00919 { 00920 char *buf; 00921 int buflen; 00922 00923 if (preflang == NULL) 00924 preflang = ""; 00925 buflen = strlen(preflang) + strlen(filename) + 4; /* room for everything */ 00926 buf = alloca(buflen); 00927 if (buf == NULL) 00928 return 0; 00929 return fileexists_core(filename, fmt, preflang, buf, buflen); 00930 }
int ast_filerename | ( | const char * | oldname, | |
const char * | newname, | |||
const char * | fmt | |||
) |
Renames a file.
oldname | the name of the file you wish to act upon (minus the extension) | |
newname | the name you wish to rename the file to (minus the extension) | |
fmt | the format of the file Rename a given file in a given format, or if fmt is NULL, then do so for all |
Definition at line 937 of file file.c.
References ACTION_RENAME, and ast_filehelper().
Referenced by ast_monitor_stop(), forward_message(), play_record_review(), rename_file(), and vm_forwardoptions().
00938 { 00939 return ast_filehelper(filename, filename2, fmt, ACTION_RENAME); 00940 }
char* ast_format_str_reduce | ( | char * | fmts | ) |
fmts | a format string, this string will be modified |
NULL | error |
Definition at line 1373 of file file.c.
References ast_log(), AST_MAX_FORMATS, AST_RWLIST_RDLOCK, AST_RWLIST_TRAVERSE, AST_RWLIST_UNLOCK, ast_strdupa, ast_format::exts, exts_compare(), f, first, len(), ast_format::list, LOG_WARNING, strsep(), and type.
Referenced by actual_load_config().
01374 { 01375 struct ast_format *f; 01376 struct ast_format *fmts_ptr[AST_MAX_FORMATS]; 01377 char *fmts_str[AST_MAX_FORMATS]; 01378 char *stringp, *type; 01379 char *orig = fmts; 01380 int i, j, x, first, found = 0; 01381 int len = strlen(fmts) + 1; 01382 int res; 01383 01384 if (AST_RWLIST_RDLOCK(&formats)) { 01385 ast_log(LOG_WARNING, "Unable to lock format list\n"); 01386 return NULL; 01387 } 01388 01389 stringp = ast_strdupa(fmts); 01390 01391 for (x = 0; (type = strsep(&stringp, "|")) && x < AST_MAX_FORMATS; x++) { 01392 AST_RWLIST_TRAVERSE(&formats, f, list) { 01393 if (exts_compare(f->exts, type)) { 01394 found = 1; 01395 break; 01396 } 01397 } 01398 01399 fmts_str[x] = type; 01400 if (found) { 01401 fmts_ptr[x] = f; 01402 } else { 01403 fmts_ptr[x] = NULL; 01404 } 01405 } 01406 AST_RWLIST_UNLOCK(&formats); 01407 01408 first = 1; 01409 for (i = 0; i < x; i++) { 01410 /* ignore invalid entries */ 01411 if (!fmts_ptr[i]) { 01412 ast_log(LOG_WARNING, "ignoring unknown format '%s'\n", fmts_str[i]); 01413 continue; 01414 } 01415 01416 /* special handling for the first entry */ 01417 if (first) { 01418 res = snprintf(fmts, len, "%s", fmts_str[i]); 01419 fmts += res; 01420 len -= res; 01421 first = 0; 01422 continue; 01423 } 01424 01425 found = 0; 01426 for (j = 0; j < i; j++) { 01427 /* this is a duplicate */ 01428 if (fmts_ptr[j] == fmts_ptr[i]) { 01429 found = 1; 01430 break; 01431 } 01432 } 01433 01434 if (!found) { 01435 res = snprintf(fmts, len, "|%s", fmts_str[i]); 01436 fmts += res; 01437 len -= res; 01438 } 01439 } 01440 01441 if (first) { 01442 ast_log(LOG_WARNING, "no known formats found in format list (%s)\n", orig); 01443 return NULL; 01444 } 01445 01446 return orig; 01447 }
struct ast_filestream* ast_openstream | ( | struct ast_channel * | chan, | |
const char * | filename, | |||
const char * | preflang | |||
) |
Opens stream for use in seeking, playing.
chan | channel to work with | |
filename | to use | |
preflang | prefered language to use |
a | ast_filestream pointer if it opens the file. | |
NULL | on error. |
Definition at line 631 of file file.c.
References ast_openstream_full().
Referenced by ast_streamfile(), dictate_exec(), handle_getoption(), handle_streamfile(), and speech_streamfile().
00632 { 00633 return ast_openstream_full(chan, filename, preflang, 0); 00634 }
struct ast_filestream* ast_openstream_full | ( | struct ast_channel * | chan, | |
const char * | filename, | |||
const char * | preflang, | |||
int | asis | |||
) |
Opens stream for use in seeking, playing.
chan | channel to work with | |
filename | to use | |
preflang | prefered language to use | |
asis | if set, don't clear generators |
a | ast_filestream pointer if it opens the file. | |
NULL | on error. |
Definition at line 636 of file file.c.
References ACTION_OPEN, ast_deactivate_generator(), ast_filehelper(), AST_FORMAT_AUDIO_MASK, ast_log(), ast_set_write_format(), ast_stopstream(), ast_filestream::buf, fileexists_core(), LOG_WARNING, ast_channel::oldwriteformat, ast_channel::stream, and ast_channel::writeformat.
Referenced by ast_openstream(), and gen_nextfile().
00637 { 00638 /* 00639 * Use fileexists_core() to find a file in a compatible 00640 * language and format, set up a suitable translator, 00641 * and open the stream. 00642 */ 00643 format_t fmts, res; 00644 int buflen; 00645 char *buf; 00646 00647 if (!asis) { 00648 /* do this first, otherwise we detect the wrong writeformat */ 00649 ast_stopstream(chan); 00650 if (chan->generator) 00651 ast_deactivate_generator(chan); 00652 } 00653 if (preflang == NULL) 00654 preflang = ""; 00655 buflen = strlen(preflang) + strlen(filename) + 4; 00656 buf = alloca(buflen); 00657 if (buf == NULL) 00658 return NULL; 00659 fmts = fileexists_core(filename, NULL, preflang, buf, buflen); 00660 if (fmts > 0) 00661 fmts &= AST_FORMAT_AUDIO_MASK; 00662 if (fmts < 1) { 00663 ast_log(LOG_WARNING, "File %s does not exist in any format\n", filename); 00664 return NULL; 00665 } 00666 chan->oldwriteformat = chan->writeformat; 00667 /* Set the channel to a format we can work with */ 00668 res = ast_set_write_format(chan, fmts); 00669 if (res == -1) { /* No format available that works with this channel */ 00670 return NULL; 00671 } 00672 res = ast_filehelper(buf, chan, NULL, ACTION_OPEN); 00673 if (res >= 0) 00674 return chan->stream; 00675 return NULL; 00676 }
struct ast_filestream* ast_openvstream | ( | struct ast_channel * | chan, | |
const char * | filename, | |||
const char * | preflang | |||
) |
Opens stream for use in seeking, playing.
chan | channel to work with | |
filename | to use | |
preflang | prefered language to use |
a | ast_filestream pointer if it opens the file. | |
NULL | on error. |
Definition at line 678 of file file.c.
References ACTION_OPEN, ast_filehelper(), AST_FORMAT_FIRST_VIDEO_BIT, AST_FORMAT_VIDEO_MASK, ast_getformatname(), ast_log(), ast_filestream::buf, fileexists_core(), ast_filestream::fmt, format, LOG_WARNING, ast_channel::nativeformats, and ast_channel::vstream.
Referenced by ast_streamfile(), handle_getoption(), and handle_streamfile().
00679 { 00680 /* As above, but for video. But here we don't have translators 00681 * so we must enforce a format. 00682 */ 00683 format_t format; 00684 char *buf; 00685 int buflen; 00686 00687 if (preflang == NULL) 00688 preflang = ""; 00689 buflen = strlen(preflang) + strlen(filename) + 4; 00690 buf = alloca(buflen); 00691 if (buf == NULL) 00692 return NULL; 00693 00694 for (format = AST_FORMAT_FIRST_VIDEO_BIT; format <= AST_FORMAT_VIDEO_MASK; format = format << 1) { 00695 int fd; 00696 const char *fmt; 00697 00698 if (!(chan->nativeformats & format)) 00699 continue; 00700 fmt = ast_getformatname(format); 00701 if ( fileexists_core(filename, fmt, preflang, buf, buflen) < 1) /* no valid format */ 00702 continue; 00703 fd = ast_filehelper(buf, chan, fmt, ACTION_OPEN); 00704 if (fd >= 0) 00705 return chan->vstream; 00706 ast_log(LOG_WARNING, "File %s has video but couldn't be opened\n", filename); 00707 } 00708 return NULL; 00709 }
int ast_playstream | ( | struct ast_filestream * | s | ) |
Play a open stream on a channel.
s | filestream to play |
0 | on success. | |
-1 | on failure. |
Definition at line 866 of file file.c.
References AST_FORMAT_AUDIO_MASK, ast_readaudio_callback(), ast_readvideo_callback(), ast_filestream::fmt, ast_format::format, and FSREAD_FAILURE.
Referenced by ast_streamfile(), handle_getoption(), handle_streamfile(), and speech_streamfile().
00867 { 00868 enum fsread_res res; 00869 00870 if (s->fmt->format & AST_FORMAT_AUDIO_MASK) 00871 res = ast_readaudio_callback(s); 00872 else 00873 res = ast_readvideo_callback(s); 00874 00875 return (res == FSREAD_FAILURE) ? -1 : 0; 00876 }
struct ast_filestream* ast_readfile | ( | const char * | filename, | |
const char * | type, | |||
const char * | comment, | |||
int | flags, | |||
int | check, | |||
mode_t | mode | |||
) |
Starts reading from a file.
filename | the name of the file to read from | |
type | format of file you wish to read from | |
comment | comment to go with | |
flags | file flags | |
check | (unimplemented, hence negligible) | |
mode | Open mode Open an incoming file stream. flags are flags for the open() command, and if check is non-zero, then it will not read a file if there are any files that start with that name and have an extension Please note, this is a blocking function. Program execution will not return until ast_waitstream completes it's execution. |
a | struct ast_filestream on success. | |
NULL | on failure. |
Definition at line 997 of file file.c.
References ast_closestream(), ast_free, ast_log(), AST_RWLIST_RDLOCK, AST_RWLIST_TRAVERSE, AST_RWLIST_UNLOCK, ast_strdup, build_filename(), errno, ast_format::exts, exts_compare(), f, ast_filestream::filename, ast_filestream::flags, ast_filestream::fmt, get_filestream(), LOG_WARNING, ast_filestream::mode, open_wrapper(), ast_filestream::trans, and ast_filestream::vfs.
Referenced by handle_cli_file_convert().
00998 { 00999 FILE *bfile; 01000 struct ast_format *f; 01001 struct ast_filestream *fs = NULL; 01002 char *fn; 01003 int format_found = 0; 01004 01005 AST_RWLIST_RDLOCK(&formats); 01006 01007 AST_RWLIST_TRAVERSE(&formats, f, list) { 01008 fs = NULL; 01009 if (!exts_compare(f->exts, type)) 01010 continue; 01011 else 01012 format_found = 1; 01013 01014 fn = build_filename(filename, type); 01015 errno = 0; 01016 bfile = fopen(fn, "r"); 01017 01018 if (!bfile || (fs = get_filestream(f, bfile)) == NULL || open_wrapper(fs) ) { 01019 ast_log(LOG_WARNING, "Unable to open %s\n", fn); 01020 if (fs) { 01021 ast_closestream(fs); 01022 } 01023 fs = NULL; 01024 bfile = NULL; 01025 ast_free(fn); 01026 break; 01027 } 01028 /* found it */ 01029 fs->trans = NULL; 01030 fs->fmt = f; 01031 fs->flags = flags; 01032 fs->mode = mode; 01033 fs->filename = ast_strdup(filename); 01034 fs->vfs = NULL; 01035 break; 01036 } 01037 01038 AST_RWLIST_UNLOCK(&formats); 01039 if (!format_found) 01040 ast_log(LOG_WARNING, "No such format '%s'\n", type); 01041 01042 return fs; 01043 }
struct ast_frame* ast_readframe | ( | struct ast_filestream * | s | ) |
Read a frame from a filestream.
s | ast_filestream to act on |
NULL | if read failed. |
Definition at line 736 of file file.c.
References read_frame().
Referenced by dictate_exec(), gen_readframe(), handle_cli_file_convert(), and moh_files_readframe().
00737 { 00738 int whennext = 0; 00739 00740 return read_frame(s, &whennext); 00741 }
int ast_seekstream | ( | struct ast_filestream * | fs, | |
off_t | sample_offset, | |||
int | whence | |||
) |
Seeks into stream.
fs | ast_filestream to perform seek on | |
sample_offset | numbers of samples to seek | |
whence | SEEK_SET, SEEK_CUR, SEEK_END |
0 | on success. | |
-1 | on failure. |
Definition at line 878 of file file.c.
References ast_filestream::fmt, and ast_format::seek.
Referenced by __ast_read(), ast_control_streamfile(), ast_stream_fastforward(), ast_stream_rewind(), ast_streamfile(), ast_write(), dictate_exec(), handle_getoption(), handle_recordfile(), handle_streamfile(), and speech_streamfile().
int ast_stopstream | ( | struct ast_channel * | c | ) |
Stops a stream.
c | The channel you wish to stop playback on |
0 | always |
Definition at line 124 of file file.c.
References ast_channel_lock, ast_channel_unlock, ast_closestream(), ast_getformatname(), ast_log(), ast_set_write_format(), LOG_WARNING, ast_channel::oldwriteformat, ast_channel::stream, and ast_channel::vstream.
Referenced by ast_adsi_transmit_message_full(), ast_control_streamfile(), ast_openstream_full(), ast_play_and_wait(), ast_readstring_full(), ast_say_enumeration_full_da(), ast_say_enumeration_full_de(), ast_say_enumeration_full_en(), ast_say_enumeration_full_he(), ast_say_enumeration_full_vi(), ast_say_number_full_cs(), ast_say_number_full_da(), ast_say_number_full_de(), ast_say_number_full_en(), ast_say_number_full_en_GB(), ast_say_number_full_es(), ast_say_number_full_fr(), ast_say_number_full_gr(), ast_say_number_full_he(), ast_say_number_full_hu(), ast_say_number_full_it(), ast_say_number_full_ka(), ast_say_number_full_nl(), ast_say_number_full_no(), ast_say_number_full_pt(), ast_say_number_full_ru(), ast_say_number_full_se(), ast_say_number_full_th(), ast_say_number_full_ur(), ast_say_number_full_vi(), ast_say_number_full_zh(), background_detect_exec(), conf_exec(), conf_run(), dial_exec_full(), directory_exec(), grab_transfer(), handle_getoption(), handle_speechrecognize(), handle_streamfile(), ices_exec(), ivr_dispatch(), menu_callback(), minivm_greet_exec(), mp3_exec(), NBScat_exec(), parkandannounce_exec(), pbx_builtin_background(), pl_odtworz_plik(), play_file(), play_mailbox_owner(), playback_exec(), read_exec(), readexten_exec(), recordthread(), rpt_tele_thread(), s_streamwait3(), say_character_str_full(), say_digit_str_full(), say_phonetic_str_full(), saycharstr(), sayfile(), saynum(), select_item_seq(), send_morse(), send_tone_telemetry(), send_waveform_to_channel(), speech_background(), vm_authenticate(), vm_execmain(), wait_for_winner(), waitstream_core(), and zapateller_exec().
00125 { 00126 ast_channel_lock(tmp); 00127 00128 /* Stop a running stream if there is one */ 00129 if (tmp->stream) { 00130 ast_closestream(tmp->stream); 00131 tmp->stream = NULL; 00132 if (tmp->oldwriteformat && ast_set_write_format(tmp, tmp->oldwriteformat)) 00133 ast_log(LOG_WARNING, "Unable to restore format back to %s\n", ast_getformatname(tmp->oldwriteformat)); 00134 } 00135 /* Stop the video stream too */ 00136 if (tmp->vstream != NULL) { 00137 ast_closestream(tmp->vstream); 00138 tmp->vstream = NULL; 00139 } 00140 00141 ast_channel_unlock(tmp); 00142 00143 return 0; 00144 }
int ast_stream_and_wait | ( | struct ast_channel * | chan, | |
const char * | file, | |||
const char * | digits | |||
) |
stream file until digit If the file name is non-empty, try to play it.
-1 | if error. | |
digit | if interrupted by a digit. |
Definition at line 1360 of file file.c.
References ast_streamfile(), ast_strlen_zero(), ast_test_suite_event_notify, ast_waitstream(), and ast_channel::language.
Referenced by __ast_play_and_record(), announce_user_count(), app_exec(), ast_pickup_call(), ast_record_review(), bridge_playfile(), builtin_atxfer(), builtin_automixmonitor(), builtin_blindtransfer(), confbridge_exec(), directory_exec(), feature_attended_transfer(), feature_blind_transfer(), forward_message(), grab_transfer(), invent_message(), ivr_dispatch(), join_conference_bridge(), masq_park_call(), menu_callback(), park_call_exec(), parked_call_exec(), play_mailbox_owner(), play_message_callerid(), play_message_on_chan(), play_prompt_to_channel(), play_record_review(), play_sound_file(), sayname(), select_item_seq(), vm_forwardoptions(), vmsayname_exec(), wait_file2(), and xfer_park_call_helper().
01361 { 01362 int res = 0; 01363 if (!ast_strlen_zero(file)) { 01364 ast_test_suite_event_notify("PLAYBACK", "Message: %s", file); 01365 res = ast_streamfile(chan, file, chan->language); 01366 if (!res) { 01367 res = ast_waitstream(chan, digits); 01368 } 01369 } 01370 return res; 01371 }
int ast_stream_fastforward | ( | struct ast_filestream * | fs, | |
off_t | ms | |||
) |
Fast forward stream ms.
fs | filestream to act on | |
ms | milliseconds to move |
0 | on success. | |
-1 | on failure. |
Definition at line 893 of file file.c.
References ast_seekstream(), and DEFAULT_SAMPLES_PER_MS.
Referenced by waitstream_core().
00894 { 00895 return ast_seekstream(fs, ms * DEFAULT_SAMPLES_PER_MS, SEEK_CUR); 00896 }
int ast_stream_rewind | ( | struct ast_filestream * | fs, | |
off_t | ms | |||
) |
Rewind stream ms.
fs | filestream to act on | |
ms | milliseconds to move |
0 | on success. | |
-1 | on failure. |
Definition at line 898 of file file.c.
References ast_seekstream(), and DEFAULT_SAMPLES_PER_MS.
Referenced by handle_recordfile(), and waitstream_core().
00899 { 00900 return ast_seekstream(fs, -ms * DEFAULT_SAMPLES_PER_MS, SEEK_CUR); 00901 }
int ast_streamfile | ( | struct ast_channel * | c, | |
const char * | filename, | |||
const char * | preflang | |||
) |
Streams a file.
c | channel to stream the file to | |
filename | the name of the file you wish to stream, minus the extension | |
preflang | the preferred language you wish to have the file streamed to you in Prepares a channel for the streaming of a file. To start the stream, afterward do a ast_waitstream() on the channel Also, it will stop any existing streams on the channel. |
0 | on success. | |
-1 | on failure. |
Definition at line 947 of file file.c.
References ast_applystream(), ast_debug, AST_FLAG_MASQ_NOSTREAM, ast_getformatname(), ast_getformatname_multiple(), ast_log(), ast_openstream(), ast_openvstream(), ast_playstream(), ast_seekstream(), ast_strdup, ast_test_flag, ast_verb, errno, ast_filestream::f, ast_filestream::fmt, ast_format::format, LOG_WARNING, ast_channel::name, ast_channel::nativeformats, ast_filestream::orig_chan_name, ast_filestream::vfs, and ast_channel::writeformat.
Referenced by __analog_ss_thread(), action_bridge(), agent_call(), analog_ss_thread(), announce_thread(), app_exec(), ast_app_getdata(), ast_app_getdata_full(), ast_control_streamfile(), ast_play_and_wait(), ast_say_date_da(), ast_say_date_de(), ast_say_date_en(), ast_say_date_fr(), ast_say_date_gr(), ast_say_date_he(), ast_say_date_hu(), ast_say_date_ka(), ast_say_date_nl(), ast_say_date_th(), ast_say_date_with_format_gr(), ast_say_datetime_en(), ast_say_datetime_fr(), ast_say_datetime_from_now_en(), ast_say_datetime_from_now_fr(), ast_say_datetime_from_now_he(), ast_say_datetime_from_now_ka(), ast_say_datetime_gr(), ast_say_datetime_he(), ast_say_datetime_nl(), ast_say_datetime_pt(), ast_say_datetime_th(), ast_say_datetime_zh(), ast_say_enumeration_full_da(), ast_say_enumeration_full_de(), ast_say_enumeration_full_en(), ast_say_enumeration_full_he(), ast_say_enumeration_full_vi(), ast_say_number_full_cs(), ast_say_number_full_da(), ast_say_number_full_de(), ast_say_number_full_en(), ast_say_number_full_en_GB(), ast_say_number_full_es(), ast_say_number_full_fr(), ast_say_number_full_gr(), ast_say_number_full_he(), ast_say_number_full_hu(), ast_say_number_full_it(), ast_say_number_full_ka(), ast_say_number_full_nl(), ast_say_number_full_no(), ast_say_number_full_pt(), ast_say_number_full_ru(), ast_say_number_full_se(), ast_say_number_full_th(), ast_say_number_full_ur(), ast_say_number_full_vi(), ast_say_number_full_zh(), ast_say_time_de(), ast_say_time_en(), ast_say_time_fr(), ast_say_time_gr(), ast_say_time_hu(), ast_say_time_ka(), ast_say_time_nl(), ast_say_time_zh(), ast_stream_and_wait(), background_detect_exec(), bridge_exec(), check_availability(), check_beep(), common_exec(), conf_exec(), conf_run(), dial_exec_full(), do_directory(), find_conf_realtime(), forward_message(), gr_say_number_female(), handle_recordfile(), invent_message(), leave_voicemail(), local_attended_transfer(), login_exec(), menu_callback(), minivm_greet_exec(), page_exec(), parkandannounce_exec(), pbx_builtin_background(), pl_odtworz_plik(), play_and_wait(), play_file(), play_record_review(), playback_exec(), privacy_exec(), readexten_exec(), retrydial_exec(), rpt_tele_thread(), s_streamwait3(), say_character_str_full(), say_digit_str_full(), say_phonetic_str_full(), sayfile(), select_item_menu(), setup_privacy_args(), vm_authenticate(), wait_file(), and wait_for_winner().
00948 { 00949 struct ast_filestream *fs; 00950 struct ast_filestream *vfs=NULL; 00951 char fmt[256]; 00952 off_t pos; 00953 int seekattempt; 00954 int res; 00955 00956 fs = ast_openstream(chan, filename, preflang); 00957 if (!fs) { 00958 ast_log(LOG_WARNING, "Unable to open %s (format %s): %s\n", filename, ast_getformatname_multiple(fmt, sizeof(fmt), chan->nativeformats), strerror(errno)); 00959 return -1; 00960 } 00961 00962 /* check to see if there is any data present (not a zero length file), 00963 * done this way because there is no where for ast_openstream_full to 00964 * return the file had no data. */ 00965 pos = ftello(fs->f); 00966 seekattempt = fseeko(fs->f, -1, SEEK_END); 00967 if (seekattempt) { 00968 if (errno == EINVAL) { 00969 /* Zero-length file, as opposed to a pipe */ 00970 return 0; 00971 } else { 00972 ast_seekstream(fs, 0, SEEK_SET); 00973 } 00974 } else { 00975 fseeko(fs->f, pos, SEEK_SET); 00976 } 00977 00978 vfs = ast_openvstream(chan, filename, preflang); 00979 if (vfs) { 00980 ast_debug(1, "Ooh, found a video stream, too, format %s\n", ast_getformatname(vfs->fmt->format)); 00981 } 00982 00983 if (ast_test_flag(chan, AST_FLAG_MASQ_NOSTREAM)) 00984 fs->orig_chan_name = ast_strdup(chan->name); 00985 if (ast_applystream(chan, fs)) 00986 return -1; 00987 if (vfs && ast_applystream(chan, vfs)) 00988 return -1; 00989 res = ast_playstream(fs); 00990 if (!res && vfs) 00991 res = ast_playstream(vfs); 00992 ast_verb(3, "<%s> Playing '%s.%s' (language '%s')\n", chan->name, filename, ast_getformatname(chan->writeformat), preflang ? preflang : "default"); 00993 00994 return res; 00995 }
off_t ast_tellstream | ( | struct ast_filestream * | fs | ) |
Tell where we are in a stream.
fs | fs to act on |
Definition at line 888 of file file.c.
References ast_filestream::fmt, and ast_format::tell.
Referenced by ast_control_streamfile(), handle_getoption(), handle_recordfile(), handle_speechrecognize(), and handle_streamfile().
int ast_truncstream | ( | struct ast_filestream * | fs | ) |
Trunc stream at current location.
fs | filestream to act on |
0 | on success. | |
-1 | on failure. |
Definition at line 883 of file file.c.
References ast_filestream::fmt, and ast_format::trunc.
Referenced by handle_recordfile().
int ast_waitstream | ( | struct ast_channel * | c, | |
const char * | breakon | |||
) |
Waits for a stream to stop or digit to be pressed.
c | channel to waitstream on | |
breakon | string of DTMF digits to break upon Begins playback of a stream... Wait for a stream to stop or for any one of a given digit to arrive, |
0 | if the stream finishes | |
the | character if it was interrupted, | |
-1 | on error |
Definition at line 1333 of file file.c.
References waitstream_core().
Referenced by __analog_ss_thread(), action_bridge(), agent_call(), analog_ss_thread(), announce_thread(), app_exec(), ast_play_and_wait(), ast_say_date_da(), ast_say_date_de(), ast_say_date_en(), ast_say_date_fr(), ast_say_date_gr(), ast_say_date_he(), ast_say_date_hu(), ast_say_date_ka(), ast_say_date_nl(), ast_say_date_th(), ast_say_date_with_format_gr(), ast_say_datetime_en(), ast_say_datetime_fr(), ast_say_datetime_from_now_en(), ast_say_datetime_from_now_fr(), ast_say_datetime_from_now_he(), ast_say_datetime_from_now_ka(), ast_say_datetime_gr(), ast_say_datetime_he(), ast_say_datetime_nl(), ast_say_datetime_pt(), ast_say_datetime_th(), ast_say_datetime_zh(), ast_say_enumeration_full_da(), ast_say_enumeration_full_de(), ast_say_enumeration_full_en(), ast_say_enumeration_full_he(), ast_say_enumeration_full_vi(), ast_say_number_full_cs(), ast_say_number_full_da(), ast_say_number_full_de(), ast_say_number_full_en(), ast_say_number_full_en_GB(), ast_say_number_full_es(), ast_say_number_full_fr(), ast_say_number_full_gr(), ast_say_number_full_he(), ast_say_number_full_hu(), ast_say_number_full_it(), ast_say_number_full_ka(), ast_say_number_full_nl(), ast_say_number_full_no(), ast_say_number_full_pt(), ast_say_number_full_ru(), ast_say_number_full_se(), ast_say_number_full_th(), ast_say_number_full_ur(), ast_say_number_full_vi(), ast_say_number_full_zh(), ast_say_time_de(), ast_say_time_en(), ast_say_time_gr(), ast_say_time_he(), ast_say_time_hu(), ast_say_time_ka(), ast_say_time_nl(), ast_say_time_zh(), ast_stream_and_wait(), bridge_exec(), check_availability(), check_beep(), common_exec(), conf_exec(), conf_run(), directory_exec(), find_conf_realtime(), gr_say_number_female(), handle_recordfile(), invent_message(), leave_voicemail(), local_attended_transfer(), login_exec(), menu_callback(), minivm_greet_exec(), page_exec(), parkandannounce_exec(), pbx_builtin_background(), pl_odtworz_plik(), play_and_wait(), play_file(), play_record_review(), playback_exec(), privacy_exec(), retrydial_exec(), rpt_tele_thread(), s_streamwait3(), say_character_str_full(), say_digit_str_full(), say_phonetic_str_full(), saycharstr(), sayfile(), saynum(), select_item_menu(), send_morse(), send_tone_telemetry(), setup_privacy_args(), vm_authenticate(), and wait_file().
01334 { 01335 return waitstream_core(c, breakon, NULL, NULL, 0, -1, -1, NULL); 01336 }
int ast_waitstream_exten | ( | struct ast_channel * | c, | |
const char * | context | |||
) |
Waits for a stream to stop or digit matching a valid one digit exten to be pressed.
c | channel to waitstream on | |
context | string of context to match digits to break upon Begins playback of a stream... Wait for a stream to stop or for any one of a valid extension digit to arrive, |
0 | if the stream finishes. | |
the | character if it was interrupted. | |
-1 | on error. |
Definition at line 1344 of file file.c.
References ast_channel::context, and waitstream_core().
Referenced by pbx_builtin_background().
01345 { 01346 /* Waitstream, with return in the case of a valid 1 digit extension */ 01347 /* in the current or specified context being pressed */ 01348 01349 if (!context) 01350 context = c->context; 01351 return waitstream_core(c, NULL, NULL, NULL, 0, 01352 -1, -1, context); 01353 }
int ast_waitstream_fr | ( | struct ast_channel * | c, | |
const char * | breakon, | |||
const char * | forward, | |||
const char * | rewind, | |||
int | ms | |||
) |
Same as waitstream but allows stream to be forwarded or rewound.
c | channel to waitstream on | |
breakon | string of DTMF digits to break upon | |
forward | DTMF digit to fast forward upon | |
rewind | DTMF digit to rewind upon | |
ms | How many miliseconds to skip forward/back Begins playback of a stream... Wait for a stream to stop or for any one of a given digit to arrive, |
0 | if the stream finishes. | |
the | character if it was interrupted. | |
-1 | on error. |
Definition at line 1327 of file file.c.
References waitstream_core().
Referenced by ast_control_streamfile().
01328 { 01329 return waitstream_core(c, breakon, forward, reverse, ms, 01330 -1 /* no audiofd */, -1 /* no cmdfd */, NULL /* no context */); 01331 }
int ast_waitstream_full | ( | struct ast_channel * | c, | |
const char * | breakon, | |||
int | audiofd, | |||
int | monfd | |||
) |
Same as waitstream, but with audio output to fd and monitored fd checking.
Definition at line 1338 of file file.c.
References waitstream_core().
Referenced by ast_readstring_full(), ast_say_enumeration_full_da(), ast_say_enumeration_full_de(), ast_say_enumeration_full_en(), ast_say_enumeration_full_he(), ast_say_enumeration_full_vi(), ast_say_number_full_cs(), ast_say_number_full_da(), ast_say_number_full_de(), ast_say_number_full_en(), ast_say_number_full_en_GB(), ast_say_number_full_es(), ast_say_number_full_fr(), ast_say_number_full_gr(), ast_say_number_full_he(), ast_say_number_full_hu(), ast_say_number_full_it(), ast_say_number_full_ka(), ast_say_number_full_nl(), ast_say_number_full_no(), ast_say_number_full_pt(), ast_say_number_full_ru(), ast_say_number_full_se(), ast_say_number_full_th(), ast_say_number_full_ur(), ast_say_number_full_vi(), ast_say_number_full_zh(), handle_getoption(), handle_streamfile(), pl_odtworz_plik(), s_streamwait3(), say_character_str_full(), say_digit_str_full(), and say_phonetic_str_full().
01339 { 01340 return waitstream_core(c, breakon, NULL, NULL, 0, 01341 audiofd, cmdfd, NULL /* no context */); 01342 }
struct ast_filestream* ast_writefile | ( | const char * | filename, | |
const char * | type, | |||
const char * | comment, | |||
int | flags, | |||
int | check, | |||
mode_t | mode | |||
) |
Starts writing a file.
filename | the name of the file to write to | |
type | format of file you wish to write out to | |
comment | comment to go with | |
flags | output file flags | |
check | (unimplemented, hence negligible) | |
mode | Open mode Create an outgoing file stream. oflags are flags for the open() command, and if check is non-zero, then it will not write a file if there are any files that start with that name and have an extension Please note, this is a blocking function. Program execution will not return until ast_waitstream completes it's execution. |
a | struct ast_filestream on success. | |
NULL | on failure. |
Definition at line 1045 of file file.c.
References ast_closestream(), ast_free, ast_log(), ast_malloc, ast_opt_cache_record_files, AST_RWLIST_RDLOCK, AST_RWLIST_TRAVERSE, AST_RWLIST_UNLOCK, ast_strdup, ast_strdupa, ast_filestream::buf, build_filename(), errno, ast_format::exts, exts_compare(), f, ast_filestream::f, ast_filestream::filename, ast_filestream::flags, ast_filestream::fmt, get_filestream(), LOG_WARNING, ast_filestream::mode, ast_filestream::realfilename, record_cache_dir, rewrite_wrapper(), ast_format::seek, ast_filestream::trans, ast_filestream::vfs, and ast_filestream::write_buffer.
Referenced by __ast_play_and_record(), ast_monitor_start(), ast_writestream(), dictate_exec(), handle_cli_file_convert(), handle_recordfile(), mixmonitor_thread(), recordthread(), and rpt().
01046 { 01047 int fd, myflags = 0; 01048 /* compiler claims this variable can be used before initialization... */ 01049 FILE *bfile = NULL; 01050 struct ast_format *f; 01051 struct ast_filestream *fs = NULL; 01052 char *buf = NULL; 01053 size_t size = 0; 01054 int format_found = 0; 01055 01056 AST_RWLIST_RDLOCK(&formats); 01057 01058 /* set the O_TRUNC flag if and only if there is no O_APPEND specified */ 01059 /* We really can't use O_APPEND as it will break WAV header updates */ 01060 if (flags & O_APPEND) { 01061 flags &= ~O_APPEND; 01062 } else { 01063 myflags = O_TRUNC; 01064 } 01065 01066 myflags |= O_WRONLY | O_CREAT; 01067 01068 /* XXX need to fix this - we should just do the fopen, 01069 * not open followed by fdopen() 01070 */ 01071 AST_RWLIST_TRAVERSE(&formats, f, list) { 01072 char *fn, *orig_fn = NULL; 01073 if (fs) 01074 break; 01075 01076 if (!exts_compare(f->exts, type)) 01077 continue; 01078 else 01079 format_found = 1; 01080 01081 fn = build_filename(filename, type); 01082 fd = open(fn, flags | myflags, mode); 01083 if (fd > -1) { 01084 /* fdopen() the resulting file stream */ 01085 bfile = fdopen(fd, ((flags | myflags) & O_RDWR) ? "w+" : "w"); 01086 if (!bfile) { 01087 ast_log(LOG_WARNING, "Whoa, fdopen failed: %s!\n", strerror(errno)); 01088 close(fd); 01089 fd = -1; 01090 } 01091 } 01092 01093 if (ast_opt_cache_record_files && (fd > -1)) { 01094 char *c; 01095 01096 fclose(bfile); /* this also closes fd */ 01097 /* 01098 We touch orig_fn just as a place-holder so other things (like vmail) see the file is there. 01099 What we are really doing is writing to record_cache_dir until we are done then we will mv the file into place. 01100 */ 01101 orig_fn = ast_strdupa(fn); 01102 for (c = fn; *c; c++) 01103 if (*c == '/') 01104 *c = '_'; 01105 01106 size = strlen(fn) + strlen(record_cache_dir) + 2; 01107 buf = alloca(size); 01108 strcpy(buf, record_cache_dir); 01109 strcat(buf, "/"); 01110 strcat(buf, fn); 01111 ast_free(fn); 01112 fn = buf; 01113 fd = open(fn, flags | myflags, mode); 01114 if (fd > -1) { 01115 /* fdopen() the resulting file stream */ 01116 bfile = fdopen(fd, ((flags | myflags) & O_RDWR) ? "w+" : "w"); 01117 if (!bfile) { 01118 ast_log(LOG_WARNING, "Whoa, fdopen failed: %s!\n", strerror(errno)); 01119 close(fd); 01120 fd = -1; 01121 } 01122 } 01123 } 01124 if (fd > -1) { 01125 errno = 0; 01126 fs = get_filestream(f, bfile); 01127 if (fs) { 01128 if ((fs->write_buffer = ast_malloc(32768))) { 01129 setvbuf(fs->f, fs->write_buffer, _IOFBF, 32768); 01130 } 01131 } 01132 if (!fs || rewrite_wrapper(fs, comment)) { 01133 ast_log(LOG_WARNING, "Unable to rewrite %s\n", fn); 01134 close(fd); 01135 if (orig_fn) { 01136 unlink(fn); 01137 unlink(orig_fn); 01138 } 01139 if (fs) { 01140 ast_closestream(fs); 01141 fs = NULL; 01142 } 01143 continue; 01144 } 01145 fs->trans = NULL; 01146 fs->fmt = f; 01147 fs->flags = flags; 01148 fs->mode = mode; 01149 if (orig_fn) { 01150 fs->realfilename = ast_strdup(orig_fn); 01151 fs->filename = ast_strdup(fn); 01152 } else { 01153 fs->realfilename = NULL; 01154 fs->filename = ast_strdup(filename); 01155 } 01156 fs->vfs = NULL; 01157 /* If truncated, we'll be at the beginning; if not truncated, then append */ 01158 f->seek(fs, 0, SEEK_END); 01159 } else if (errno != EEXIST) { 01160 ast_log(LOG_WARNING, "Unable to open file %s: %s\n", fn, strerror(errno)); 01161 if (orig_fn) 01162 unlink(orig_fn); 01163 } 01164 /* if buf != NULL then fn is already free and pointing to it */ 01165 if (!buf) 01166 ast_free(fn); 01167 } 01168 01169 AST_RWLIST_UNLOCK(&formats); 01170 01171 if (!format_found) 01172 ast_log(LOG_WARNING, "No such format '%s'\n", type); 01173 01174 return fs; 01175 }
int ast_writestream | ( | struct ast_filestream * | fs, | |
struct ast_frame * | f | |||
) |
Writes a frame to a stream.
fs | filestream to write to | |
f | frame to write to the filestream Send a frame to a filestream -- note: does NOT free the frame, call ast_frfree manually |
0 | on success. | |
-1 | on failure. |
Definition at line 146 of file file.c.
References ast_debug, AST_FORMAT_AUDIO_MASK, AST_FRAME_VIDEO, AST_FRAME_VOICE, ast_frfree, ast_getformatname(), AST_LIST_NEXT, ast_log(), ast_translate(), ast_translator_build_path(), ast_translator_free_path(), ast_writefile(), ast_writestream(), f, ast_filestream::filename, ast_filestream::flags, ast_filestream::fmt, ast_format::format, ast_filestream::lastwriteformat, LOG_WARNING, ast_filestream::mode, ast_format::name, ast_filestream::trans, type, ast_filestream::vfs, and ast_format::write.
Referenced by __ast_play_and_record(), __ast_read(), ast_write(), ast_writestream(), dictate_exec(), handle_cli_file_convert(), handle_recordfile(), mixmonitor_thread(), recordthread(), and rpt().
00147 { 00148 int res = -1; 00149 int alt = 0; 00150 if (f->frametype == AST_FRAME_VIDEO) { 00151 if (fs->fmt->format & AST_FORMAT_AUDIO_MASK) { 00152 /* This is the audio portion. Call the video one... */ 00153 if (!fs->vfs && fs->filename) { 00154 const char *type = ast_getformatname(f->subclass.codec & ~0x1); 00155 fs->vfs = ast_writefile(fs->filename, type, NULL, fs->flags, 0, fs->mode); 00156 ast_debug(1, "Opened video output file\n"); 00157 } 00158 if (fs->vfs) 00159 return ast_writestream(fs->vfs, f); 00160 /* else ignore */ 00161 return 0; 00162 } else { 00163 /* Might / might not have mark set */ 00164 alt = 1; 00165 } 00166 } else if (f->frametype != AST_FRAME_VOICE) { 00167 ast_log(LOG_WARNING, "Tried to write non-voice frame\n"); 00168 return -1; 00169 } 00170 if (((fs->fmt->format | alt) & f->subclass.codec) == f->subclass.codec) { 00171 res = fs->fmt->write(fs, f); 00172 if (res < 0) 00173 ast_log(LOG_WARNING, "Natural write failed\n"); 00174 else if (res > 0) 00175 ast_log(LOG_WARNING, "Huh??\n"); 00176 } else { 00177 /* XXX If they try to send us a type of frame that isn't the normal frame, and isn't 00178 the one we've setup a translator for, we do the "wrong thing" XXX */ 00179 if (fs->trans && f->subclass.codec != fs->lastwriteformat) { 00180 ast_translator_free_path(fs->trans); 00181 fs->trans = NULL; 00182 } 00183 if (!fs->trans) 00184 fs->trans = ast_translator_build_path(fs->fmt->format, f->subclass.codec); 00185 if (!fs->trans) 00186 ast_log(LOG_WARNING, "Unable to translate to format %s, source format %s\n", 00187 fs->fmt->name, ast_getformatname(f->subclass.codec)); 00188 else { 00189 struct ast_frame *trf; 00190 fs->lastwriteformat = f->subclass.codec; 00191 /* Get the translated frame but don't consume the original in case they're using it on another stream */ 00192 if ((trf = ast_translate(fs->trans, f, 0))) { 00193 struct ast_frame *cur; 00194 00195 /* the translator may have returned multiple frames, so process them */ 00196 for (cur = trf; cur; cur = AST_LIST_NEXT(cur, frame_list)) { 00197 if ((res = fs->fmt->write(fs, trf))) { 00198 ast_log(LOG_WARNING, "Translated frame write failed\n"); 00199 break; 00200 } 00201 } 00202 ast_frfree(trf); 00203 } else { 00204 res = 0; 00205 } 00206 } 00207 } 00208 return res; 00209 }