[asterisk-commits] file: branch file/mf-attributes r417738 - /team/file/mf-attributes/res/
SVN commits to the Asterisk project
asterisk-commits at lists.digium.com
Tue Jul 1 19:10:31 CDT 2014
Author: file
Date: Tue Jul 1 19:10:29 2014
New Revision: 417738
URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=417738
Log:
Move res_format_attr_silk over.
Modified:
team/file/mf-attributes/res/res_format_attr_silk.c
Modified: team/file/mf-attributes/res/res_format_attr_silk.c
URL: http://svnview.digium.com/svn/asterisk/team/file/mf-attributes/res/res_format_attr_silk.c?view=diff&rev=417738&r1=417737&r2=417738
==============================================================================
--- team/file/mf-attributes/res/res_format_attr_silk.c (original)
+++ team/file/mf-attributes/res/res_format_attr_silk.c Tue Jul 1 19:10:29 2014
@@ -47,10 +47,42 @@
unsigned int packetloss_percentage;
};
-static int silk_sdp_parse(struct ast_format_attr *format_attr, const char *attributes)
-{
- struct silk_attr *attr = (struct silk_attr *) format_attr;
+static void silk_destroy(struct ast_format *format)
+{
+ struct silk_attr *attr = ast_format_get_attribute_data(format);
+
+ ast_free(attr);
+}
+
+static int silk_clone(const struct ast_format *src, struct ast_format *dst)
+{
+ struct silk_attr *original = ast_format_get_attribute_data(src);
+ struct silk_attr *attr = ast_calloc(1, sizeof(*attr));
+
+ if (!attr) {
+ return -1;
+ }
+
+ if (original) {
+ *attr = *original;
+ }
+
+ ast_format_set_attribute_data(dst, attr);
+
+ return 0;
+}
+
+static struct ast_format *silk_sdp_parse(const struct ast_format *format, const char *attributes)
+{
+ struct ast_format *cloned;
+ struct silk_attr *attr;
unsigned int val;
+
+ cloned = ast_format_clone(format);
+ if (!cloned) {
+ return NULL;
+ }
+ attr = ast_format_get_attribute_data(cloned);
if (sscanf(attributes, "maxaveragebitrate=%30u", &val) == 1) {
attr->maxbitrate = val;
@@ -65,9 +97,13 @@
return 0;
}
-static void silk_sdp_generate(const struct ast_format_attr *format_attr, unsigned int payload, struct ast_str **str)
-{
- struct silk_attr *attr = (struct silk_attr *) format_attr;
+static void silk_sdp_generate(const struct ast_format *format, unsigned int payload, struct ast_str **str)
+{
+ struct silk_attr *attr = ast_format_get_attribute_data(format);
+
+ if (!attr) {
+ return;
+ }
if ((attr->maxbitrate > 5000) && (attr->maxbitrate < 40000)) {
ast_str_append(str, 0, "a=fmtp:%u maxaveragebitrate=%u\r\n", payload, attr->maxbitrate);
@@ -77,99 +113,40 @@
ast_str_append(str, 0, "a=fmtp:%u useinbandfec=%u\r\n", payload, attr->fec);
}
-static enum ast_format_cmp_res silk_cmp(const struct ast_format_attr *fattr1, const struct ast_format_attr *fattr2)
-{
- struct silk_attr *attr1 = (struct silk_attr *) fattr1;
- struct silk_attr *attr2 = (struct silk_attr *) fattr2;
-
- if (attr1->samplerate == attr2->samplerate) {
+static enum ast_format_cmp_res silk_cmp(const struct ast_format *format1, const struct ast_format *format2)
+{
+ struct silk_attr *attr1 = ast_format_get_attribute_data(format1);
+ struct silk_attr *attr2 = ast_format_get_attribute_data(format2);
+
+ if (((!attr1 || !attr1->samplerate) && (!attr2 || !attr2->samplerate)) ||
+ (attr1->samplerate == attr2->samplerate)) {
return AST_FORMAT_CMP_EQUAL;
}
+
return AST_FORMAT_CMP_NOT_EQUAL;
}
-static int silk_get_val(const struct ast_format_attr *fattr, int key, void *result)
-{
- const struct silk_attr *attr = (struct silk_attr *) fattr;
- int *val = result;
-
- switch (key) {
- case SILK_ATTR_KEY_SAMP_RATE:
- *val = attr->samplerate;
- break;
- case SILK_ATTR_KEY_MAX_BITRATE:
- *val = attr->maxbitrate;
- break;
- case SILK_ATTR_KEY_DTX:
- *val = attr->dtx;
- break;
- case SILK_ATTR_KEY_FEC:
- *val = attr->fec;
- break;
- case SILK_ATTR_KEY_PACKETLOSS_PERCENTAGE:
- *val = attr->packetloss_percentage;
- break;
- default:
- ast_log(LOG_WARNING, "unknown attribute type %d\n", key);
- return -1;
- }
- return 0;
-}
-
-static int silk_isset(const struct ast_format_attr *fattr, va_list ap)
-{
- enum silk_attr_keys key;
- const struct silk_attr *attr = (struct silk_attr *) fattr;
-
- for (key = va_arg(ap, int);
- key != AST_FORMAT_ATTR_END;
- key = va_arg(ap, int))
- {
- switch (key) {
- case SILK_ATTR_KEY_SAMP_RATE:
- if (attr->samplerate != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case SILK_ATTR_KEY_MAX_BITRATE:
- if (attr->maxbitrate != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case SILK_ATTR_KEY_DTX:
- if (attr->dtx != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case SILK_ATTR_KEY_FEC:
- if (attr->fec != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case SILK_ATTR_KEY_PACKETLOSS_PERCENTAGE:
- if (attr->packetloss_percentage != (va_arg(ap, int))) {
- return -1;
- }
- break;
- default:
- ast_log(LOG_WARNING, "unknown attribute type %u\n", key);
- return -1;
- }
- }
- return 0;
-}
-static int silk_getjoint(const struct ast_format_attr *fattr1, const struct ast_format_attr *fattr2, struct ast_format_attr *result)
-{
- struct silk_attr *attr1 = (struct silk_attr *) fattr1;
- struct silk_attr *attr2 = (struct silk_attr *) fattr2;
- struct silk_attr *attr_res = (struct silk_attr *) result;
- int joint = -1;
-
- attr_res->samplerate = attr1->samplerate & attr2->samplerate;
+static struct ast_format *silk_getjoint(const struct ast_format *format1, const struct ast_format *format2)
+{
+ struct silk_attr *attr1 = ast_format_get_attribute_data(format1);
+ struct silk_attr *attr2 = ast_format_get_attribute_data(format2);
+ unsigned int samplerate;
+ struct ast_format *jointformat;
+ struct silk_attr *attr_res;
+
+ samplerate = attr1->samplerate & attr2->samplerate;
/* sample rate is the only attribute that has any bearing on if joint capabilities exist or not */
- if (attr_res->samplerate) {
- joint = 0;
- }
+ if (samplerate) {
+ return NULL;
+ }
+
+ jointformat = ast_format_clone(format1);
+ if (!jointformat) {
+ return NULL;
+ }
+ attr_res = ast_format_get_attribute_data(jointformat);
+ attr_res->samplerate = samplerate;
+
/* Take the lowest max bitrate */
attr_res->maxbitrate = MIN(attr1->maxbitrate, attr2->maxbitrate);
@@ -184,54 +161,58 @@
/* Use the maximum packetloss percentage between the two attributes. This affects how
* much redundancy is used in the FEC. */
attr_res->packetloss_percentage = MAX(attr1->packetloss_percentage, attr2->packetloss_percentage);
- return joint;
-}
-
-static void silk_set(struct ast_format_attr *fattr, va_list ap)
-{
- enum silk_attr_keys key;
- struct silk_attr *attr = (struct silk_attr *) fattr;
-
- for (key = va_arg(ap, int);
- key != AST_FORMAT_ATTR_END;
- key = va_arg(ap, int))
- {
- switch (key) {
- case SILK_ATTR_KEY_SAMP_RATE:
- attr->samplerate = (va_arg(ap, int));
- break;
- case SILK_ATTR_KEY_MAX_BITRATE:
- attr->maxbitrate = (va_arg(ap, int));
- break;
- case SILK_ATTR_KEY_DTX:
- attr->dtx = (va_arg(ap, int));
- break;
- case SILK_ATTR_KEY_FEC:
- attr->fec = (va_arg(ap, int));
- break;
- case SILK_ATTR_KEY_PACKETLOSS_PERCENTAGE:
- attr->packetloss_percentage = (va_arg(ap, int));
- break;
- default:
- ast_log(LOG_WARNING, "unknown attribute type %u\n", key);
- }
- }
-}
-
-static struct ast_format_attr_interface silk_interface = {
- .id = AST_FORMAT_SILK,
- .format_attr_cmp = silk_cmp,
- .format_attr_get_joint = silk_getjoint,
- .format_attr_set = silk_set,
- .format_attr_isset = silk_isset,
- .format_attr_get_val = silk_get_val,
- .format_attr_sdp_parse = silk_sdp_parse,
- .format_attr_sdp_generate = silk_sdp_generate,
+
+ return jointformat;
+}
+
+static struct ast_format *silk_set(const struct ast_format *format, const char *name, const char *value)
+{
+ struct ast_format *cloned;
+ struct silk_attr *attr;
+ unsigned int val;
+
+ if (sscanf(value, "%30u", &val) != 1) {
+ ast_log(LOG_WARNING, "Unknown value '%s' for attribute type '%s'\n",
+ value, name);
+ return NULL;
+ }
+
+ cloned = ast_format_clone(format);
+ if (!cloned) {
+ return NULL;
+ }
+ attr = ast_format_get_attribute_data(cloned);
+
+ if (!strcasecmp(name, "sample_rate")) {
+ attr->samplerate = val;
+ } else if (!strcasecmp(name, "max_bitrate")) {
+ attr->maxbitrate = val;
+ } else if (!strcasecmp(name, "dtx")) {
+ attr->dtx = val;
+ } else if (!strcasecmp(name, "fec")) {
+ attr->fec = val;
+ } else if (!strcasecmp(name, "packetloss_percentage")) {
+ attr->packetloss_percentage = val;
+ } else {
+ ast_log(LOG_WARNING, "unknown attribute type %s\n", name);
+ }
+
+ return cloned;
+}
+
+static struct ast_format_interface silk_interface = {
+ .format_destroy = silk_destroy,
+ .format_clone = silk_clone,
+ .format_cmp = silk_cmp,
+ .format_get_joint = silk_getjoint,
+ .format_attribute_set = silk_set,
+ .format_sdp_parse = silk_sdp_parse,
+ .format_sdp_generate = silk_sdp_generate,
};
static int load_module(void)
{
- if (ast_format_attr_reg_interface(&silk_interface)) {
+ if (ast_format_interface_register("silk", &silk_interface)) {
return AST_MODULE_LOAD_DECLINE;
}
@@ -240,7 +221,6 @@
static int unload_module(void)
{
- ast_format_attr_unreg_interface(&silk_interface);
return 0;
}
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