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Provide the ability to adjust txgain/rxgain on a channel level via the CHANNEL() function 

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@24621 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
bweschke 2006-05-03 22:02:50 +00:00
parent efada3b700
commit cf7dd4c53a
2 changed files with 32 additions and 1 deletions
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21
channels/chan_zap.c
View File

@ -698,6 +698,7 @@ struct ast_frame *zt_exception(struct ast_channel *ast);
static int zt_indicate(struct ast_channel *chan, int condition);
static int zt_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
static int zt_setoption(struct ast_channel *chan, int option, void *data, int datalen);
static int zt_func_read(struct ast_channel *chan, char *function, char *data, char *buf, size_t len);
static const struct ast_channel_tech zap_tech = {
.type = "Zap",
@ -716,6 +717,7 @@ static const struct ast_channel_tech zap_tech = {
.indicate = zt_indicate,
.fixup = zt_fixup,
.setoption = zt_setoption,
.func_channel_read = zt_func_read,
};
#ifdef HAVE_LIBPRI
@ -2904,6 +2906,25 @@ static int zt_setoption(struct ast_channel *chan, int option, void *data, int da
return 0;
}
static int zt_func_read(struct ast_channel *chan, char *function, char *data, char *buf, size_t len)
{
struct zt_pvt *p = chan->tech_pvt;
if (!strcasecmp(data, "rxgain")) {
ast_mutex_lock(&p->lock);
snprintf(buf, len, "%f", p->rxgain);
ast_mutex_unlock(&p->lock);
} else if (!strcasecmp(data, "txgain")) {
ast_mutex_lock(&p->lock);
snprintf(buf, len, "%f", p->txgain);
ast_mutex_unlock(&p->lock);
} else {
ast_copy_string(buf, "", len);
}
return 0;
}
static void zt_unlink(struct zt_pvt *slave, struct zt_pvt *master, int needlock)
{
/* Unlink a specific slave or all slaves/masters from a given master */

12
funcs/func_channel.c
View File

@ -23,6 +23,7 @@
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
@ -93,6 +94,7 @@ static int func_channel_write(struct ast_channel *chan, char *function,
char *data, const char *value)
{
int ret = 0;
signed char gainset;
if (!strcasecmp(data, "language"))
locked_string_field_set(chan, language, value);
@ -100,7 +102,13 @@ static int func_channel_write(struct ast_channel *chan, char *function,
locked_string_field_set(chan, musicclass, value);
else if (!strcasecmp(data, "callgroup"))
chan->callgroup = ast_get_group(data);
else if (!chan->tech->func_channel_write
else if (!strcasecmp(data, "txgain")) {
sscanf(value, "%hhd", &gainset);
ast_channel_setoption(chan, AST_OPTION_TXGAIN, &gainset, sizeof(gainset), 0);
} else if (!strcasecmp(data, "rxgain")) {
sscanf(value, "%hhd", &gainset);
ast_channel_setoption(chan, AST_OPTION_RXGAIN, &gainset, sizeof(gainset), 0);
} else if (!chan->tech->func_channel_write
|| chan->tech->func_channel_write(chan, function, data, value)) {
ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n",
data);
@ -123,8 +131,10 @@ static struct ast_custom_function channel_function = {
"R/O channeltype technology used for channel\n"
"R/W language language for sounds played\n"
"R/W musicclass class (from musiconhold.conf) for hold music\n"
"R/W rxgain set rxgain level on channel drivers that support it\n"
"R/O state state for channel\n"
"R/O tonezone zone for indications played\n"
"R/W txgain set txgain level on channel drivers that support it\n"
"R/O videonativeformat format used natively for video\n"
"\n"
"Additional items may be available from the channel driver providing\n"