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Add optional one way playback (bug #3397)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4871 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2005-01-21 21:27:17 +00:00
parent 32ba309c68
commit e969712c6f
2 changed files with 14 additions and 2 deletions
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9
channels/chan_oss.c
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@@ -70,6 +70,7 @@ static struct timeval lasttime;
static int usecnt; static int usecnt;
static int silencesuppression = 0; static int silencesuppression = 0;
static int silencethreshold = 1000; static int silencethreshold = 1000;
static int playbackonly = 0;
AST_MUTEX_DEFINE_STATIC(usecnt_lock); AST_MUTEX_DEFINE_STATIC(usecnt_lock);
@@ -565,9 +566,11 @@ static int oss_write(struct ast_channel *chan, struct ast_frame *f)
return 0; return 0;
/* Stop any currently playing sound */ /* Stop any currently playing sound */
cursound = -1; cursound = -1;
if (!full_duplex) { if (!full_duplex && !playbackonly) {
/* If we're half duplex, we have to switch to read mode /* If we're half duplex, we have to switch to read mode
to honor immediate needs if necessary */ to honor immediate needs if necessary. But if we are in play
back only mode, then we don't switch because the console
is only being used one way -- just to playback something. */
res = soundcard_setinput(1); res = soundcard_setinput(1);
if (res < 0) { if (res < 0) {
ast_log(LOG_WARNING, "Unable to set device to input mode\n"); ast_log(LOG_WARNING, "Unable to set device to input mode\n");
@@ -1038,6 +1041,8 @@ int load_module()
strncpy(language, v->value, sizeof(language)-1); strncpy(language, v->value, sizeof(language)-1);
else if (!strcasecmp(v->name, "extension")) else if (!strcasecmp(v->name, "extension"))
strncpy(exten, v->value, sizeof(exten)-1); strncpy(exten, v->value, sizeof(exten)-1);
else if (!strcasecmp(v->name, "playbackonly"))
playbackonly = ast_true(v->value);
v=v->next; v=v->next;
} }
ast_destroy(cfg); ast_destroy(cfg);

7
configs/oss.conf.sample
View File

@@ -25,3 +25,10 @@ extension=s
; but your mileage may vary. Use the echo test to evaluate the best setting. ; but your mileage may vary. Use the echo test to evaluate the best setting.
;silencesuppression = yes ;silencesuppression = yes
;silencethreshold = 1000 ;silencethreshold = 1000
;
; On half-duplex cards, the driver attempts to switch back and forth between
; read and write modes. Unfortunately, this fails sometimes on older hardware.
; To prevent the driver from switching (ie. only play files on your speakers),
; then set the playbackonly option to yes. Default is no. Note this option has
; no effect on full-duplex cards.
;playbackonly=no