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Add support for G729 passthrough with Sigma Designs boards. (issue #8829 reported by ywalther)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@51144 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2007-01-16 17:23:31 +00:00
parent 3d91c0a0c0
commit 04426fab2c
3 changed files with 47 additions and 10 deletions
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1
CHANGES
View File

@@ -61,6 +61,7 @@ Changes since Asterisk 1.4-beta was branched:
* Added the jittertargetextra configuration option.
* Added the URI redirect option for the built-in HTTP server
* Added the trunkmaxsize configuration option to chan_iax2.
* Added G729 passthrough support to chan_phone for Sigma Designs boards.
SIP changes
-----------

52
channels/chan_phone.c
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@@ -98,7 +98,7 @@ static int echocancel = AEC_OFF;
static int silencesupression = 0;
static int prefformat = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW;
static int prefformat = AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW;
/* Protect the interface list (of phone_pvt's) */
AST_MUTEX_DEFINE_STATIC(iflock);
@@ -170,7 +170,7 @@ static int phone_indicate(struct ast_channel *chan, int condition, const void *d
static const struct ast_channel_tech phone_tech = {
.type = "Phone",
.description = tdesc,
.capabilities = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW,
.capabilities = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_G729A,
.requester = phone_request,
.send_digit_begin = phone_digit_begin,
.send_digit_end = phone_digit_end,
@@ -399,8 +399,17 @@ static int phone_setup(struct ast_channel *ast)
p = ast->tech_pvt;
ioctl(p->fd, PHONE_CPT_STOP);
/* Nothing to answering really, just start recording */
if (ast->rawreadformat == AST_FORMAT_G723_1) {
/* Prefer g723 */
if (ast->rawreadformat == AST_FORMAT_G729A) {
/* Prefer g729 */
ioctl(p->fd, PHONE_REC_STOP);
if (p->lastinput != AST_FORMAT_G729A) {
p->lastinput = AST_FORMAT_G729A;
if (ioctl(p->fd, PHONE_REC_CODEC, G729)) {
ast_log(LOG_WARNING, "Failed to set codec to g729\n");
return -1;
}
}
} else if (ast->rawreadformat == AST_FORMAT_G723_1) {
ioctl(p->fd, PHONE_REC_STOP);
if (p->lastinput != AST_FORMAT_G723_1) {
p->lastinput = AST_FORMAT_G723_1;
@@ -667,7 +676,7 @@ static int phone_write(struct ast_channel *ast, struct ast_frame *frame)
return 0;
}
if (!(frame->subclass &
(AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) &&
(AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_G729A)) &&
p->mode != MODE_FXS) {
ast_log(LOG_WARNING, "Cannot handle frames in %d format\n", frame->subclass);
return -1;
@@ -684,7 +693,30 @@ static int phone_write(struct ast_channel *ast, struct ast_frame *frame)
return 0;
}
#endif
if (frame->subclass == AST_FORMAT_G723_1) {
if (frame->subclass == AST_FORMAT_G729A) {
if (p->lastformat != AST_FORMAT_G729A) {
ioctl(p->fd, PHONE_PLAY_STOP);
ioctl(p->fd, PHONE_REC_STOP);
if (ioctl(p->fd, PHONE_PLAY_CODEC, G729)) {
ast_log(LOG_WARNING, "Unable to set G729 mode\n");
return -1;
}
if (ioctl(p->fd, PHONE_REC_CODEC, G729)) {
ast_log(LOG_WARNING, "Unable to set G729 mode\n");
return -1;
}
p->lastformat = AST_FORMAT_G729A;
p->lastinput = AST_FORMAT_G729A;
/* Reset output buffer */
p->obuflen = 0;
codecset = 1;
}
if (frame->datalen > 80) {
ast_log(LOG_WARNING, "Frame size too large for G.729 (%d bytes)\n", frame->datalen);
return -1;
}
maxfr = 80;
} else if (frame->subclass == AST_FORMAT_G723_1) {
if (p->lastformat != AST_FORMAT_G723_1) {
ioctl(p->fd, PHONE_PLAY_STOP);
ioctl(p->fd, PHONE_REC_STOP);
@@ -1214,7 +1246,7 @@ static struct ast_channel *phone_request(const char *type, int format, void *dat
p = iflist;
while(p) {
if (p->mode == MODE_FXS ||
format & (AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) {
format & (AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) {
size_t length = strlen(p->dev + 5);
if (strncmp(name, p->dev + 5, length) == 0 &&
!isalnum(name[length])) {
@@ -1231,7 +1263,7 @@ static struct ast_channel *phone_request(const char *type, int format, void *dat
restart_monitor();
if (tmp == NULL) {
oldformat = format;
format &= (AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW);
format &= (AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW);
if (!format) {
ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", oldformat);
return NULL;
@@ -1382,7 +1414,9 @@ static int load_module(void)
} else if (!strcasecmp(v->name, "context")) {
ast_copy_string(context, v->value, sizeof(context));
} else if (!strcasecmp(v->name, "format")) {
if (!strcasecmp(v->value, "g723.1")) {
if (!strcasecmp(v->value, "g729")) {
prefformat = AST_FORMAT_G729A;
} else if (!strcasecmp(v->value, "g723.1")) {
prefformat = AST_FORMAT_G723_1;
} else if (!strcasecmp(v->value, "slinear")) {
if (mode == MODE_FXS)

4
configs/phone.conf.sample
View File

@@ -18,12 +18,14 @@ mode=immediate
;mode=fxo
;mode=sig
;
; You can decide which format to use by default, "g723.1" or "slinear".
; You can decide which format to use by default, "g723.1", "g729", or "slinear".
; Note that g729 is only supported for Sigma Designs boards.
; XXX Be careful, sometimes the card causes kernel panics when running
; in signed linear mode for some reason... XXX
;
format=slinear
;format=g723.1
;format=g729
;
; And set the echo cancellation to "off", "low", "medium", and "high".
; This is not supported on all phones.