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Add "read" capability to new libspeex functions in func_speex.c.

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func_speex.c is based on contributions from Switchvox.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114977 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Brett Bryant
2008-05-01 18:28:38 +00:00
parent 2c52c79e10
commit e8c3130292
1 changed files with 40 additions and 1 deletions
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41
funcs/func_speex.c
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@@ -209,7 +209,7 @@ static int speex_write(struct ast_channel *chan, const char *cmd, char *data, co
} }
} }
} else if (!strcasecmp(cmd, "denoise")) { } else if (!strcasecmp(cmd, "denoise")) {
(*sdi)->denoise = ast_true(value); (*sdi)->denoise = (ast_true(value) != 0);
if ((*sdi)->state) { if ((*sdi)->state) {
speex_preprocess_ctl((*sdi)->state, SPEEX_PREPROCESS_SET_DENOISE, &(*sdi)->denoise); speex_preprocess_ctl((*sdi)->state, SPEEX_PREPROCESS_SET_DENOISE, &(*sdi)->denoise);
@@ -249,6 +249,43 @@ static int speex_write(struct ast_channel *chan, const char *cmd, char *data, co
return 0; return 0;
} }
static int speex_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
{
struct ast_datastore *datastore = NULL;
struct speex_info *si = NULL;
struct speex_direction_info *sdi = NULL;
if (!chan) {
ast_log(LOG_ERROR, "%s cannot be used without a channel!\n", cmd);
return -1;
}
ast_channel_lock(chan);
if (!(datastore = ast_channel_datastore_find(chan, &speex_datastore, NULL))) {
ast_channel_unlock(chan);
return -1;
}
ast_channel_unlock(chan);
si = datastore->data;
if (!strcasecmp(data, "tx"))
sdi = si->tx;
else if (!strcasecmp(data, "rx"))
sdi = si->rx;
else {
ast_log(LOG_ERROR, "%s(%s) must either \"tx\" or \"rx\"\n", cmd, data);
return -1;
}
if (!strcasecmp(cmd, "agc"))
snprintf(buf, len, "%.01f", sdi ? sdi->agclevel : 0.0);
else
snprintf(buf, len, "%d", sdi ? sdi->denoise : 0);
return 0;
}
static struct ast_custom_function agc_function = { static struct ast_custom_function agc_function = {
.name = "AGC", .name = "AGC",
.synopsis = "Apply automatic gain control to audio on a channel", .synopsis = "Apply automatic gain control to audio on a channel",
@@ -266,6 +303,7 @@ static struct ast_custom_function agc_function = {
" Set(AGC(tx)=off)\n" " Set(AGC(tx)=off)\n"
"", "",
.write = speex_write, .write = speex_write,
.read = speex_read
}; };
static struct ast_custom_function denoise_function = { static struct ast_custom_function denoise_function = {
@@ -284,6 +322,7 @@ static struct ast_custom_function denoise_function = {
" Set(DENOISE(tx)=off)\n" " Set(DENOISE(tx)=off)\n"
"", "",
.write = speex_write, .write = speex_write,
.read = speex_read
}; };
static int unload_module(void) static int unload_module(void)