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Diffstat (limited to 'res/res_format_attr_opus.c')
-rw-r--r--res/res_format_attr_opus.c256
1 files changed, 97 insertions, 159 deletions
diff --git a/res/res_format_attr_opus.c b/res/res_format_attr_opus.c
index 3fa7dcef3..9e84982fb 100644
--- a/res/res_format_attr_opus.c
+++ b/res/res_format_attr_opus.c
@@ -51,12 +51,44 @@ struct opus_attr {
unsigned int spropstereo; /* Default 0 */
};
-static int opus_sdp_parse(struct ast_format_attr *format_attr, const char *attributes)
+static void opus_destroy(struct ast_format *format)
{
- struct opus_attr *attr = (struct opus_attr *) format_attr;
+ struct opus_attr *attr = ast_format_get_attribute_data(format);
+
+ ast_free(attr);
+}
+
+static int opus_clone(const struct ast_format *src, struct ast_format *dst)
+{
+ struct opus_attr *original = ast_format_get_attribute_data(src);
+ struct opus_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 *opus_parse_sdp_fmtp(const struct ast_format *format, const char *attributes)
+{
+ struct ast_format *cloned;
+ struct opus_attr *attr;
const char *kvp;
unsigned int val;
+ cloned = ast_format_clone(format);
+ if (!cloned) {
+ return NULL;
+ }
+ attr = ast_format_get_attribute_data(cloned);
+
if ((kvp = strstr(attributes, "maxplaybackrate")) && sscanf(kvp, "maxplaybackrate=%30u", &val) == 1) {
attr->maxplayrate = val;
}
@@ -91,9 +123,13 @@ static int opus_sdp_parse(struct ast_format_attr *format_attr, const char *attri
return 0;
}
-static void opus_sdp_generate(const struct ast_format_attr *format_attr, unsigned int payload, struct ast_str **str)
+static void opus_generate_sdp_fmtp(const struct ast_format *format, unsigned int payload, struct ast_str **str)
{
- struct opus_attr *attr = (struct opus_attr *) format_attr;
+ struct opus_attr *attr = ast_format_get_attribute_data(format);
+
+ if (!attr) {
+ return;
+ }
/* FIXME should we only generate attributes that were explicitly set? */
ast_str_append(str, 0,
@@ -120,114 +156,18 @@ static void opus_sdp_generate(const struct ast_format_attr *format_attr, unsigne
);
}
-static int opus_get_val(const struct ast_format_attr *fattr, int key, void *result)
+static struct ast_format *opus_getjoint(const struct ast_format *format1, const struct ast_format *format2)
{
- const struct opus_attr *attr = (struct opus_attr *) fattr;
- int *val = result;
-
- switch (key) {
- case OPUS_ATTR_KEY_MAX_BITRATE:
- *val = attr->maxbitrate;
- break;
- case OPUS_ATTR_KEY_MAX_PLAYRATE:
- *val = attr->maxplayrate;
- break;
- case OPUS_ATTR_KEY_MINPTIME:
- *val = attr->minptime;
- break;
- case OPUS_ATTR_KEY_STEREO:
- *val = attr->stereo;
- break;
- case OPUS_ATTR_KEY_CBR:
- *val = attr->cbr;
- break;
- case OPUS_ATTR_KEY_FEC:
- *val = attr->fec;
- break;
- case OPUS_ATTR_KEY_DTX:
- *val = attr->dtx;
- break;
- case OPUS_ATTR_KEY_SPROP_CAPTURE_RATE:
- *val = attr->spropmaxcapturerate;
- break;
- case OPUS_ATTR_KEY_SPROP_STEREO:
- *val = attr->spropstereo;
- break;
- default:
- ast_log(LOG_WARNING, "unknown attribute type %d\n", key);
- return -1;
- }
- return 0;
-}
+ struct opus_attr *attr1 = ast_format_get_attribute_data(format1);
+ struct opus_attr *attr2 = ast_format_get_attribute_data(format2);
+ struct ast_format *jointformat;
+ struct opus_attr *attr_res;
-static int opus_isset(const struct ast_format_attr *fattr, va_list ap)
-{
- enum opus_attr_keys key;
- const struct opus_attr *attr = (struct opus_attr *) fattr;
-
- for (key = va_arg(ap, int);
- key != AST_FORMAT_ATTR_END;
- key = va_arg(ap, int))
- {
- switch (key) {
- case OPUS_ATTR_KEY_MAX_BITRATE:
- if (attr->maxbitrate != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case OPUS_ATTR_KEY_MAX_PLAYRATE:
- if (attr->maxplayrate != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case OPUS_ATTR_KEY_MINPTIME:
- if (attr->minptime != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case OPUS_ATTR_KEY_STEREO:
- if (attr->stereo != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case OPUS_ATTR_KEY_CBR:
- if (attr->cbr != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case OPUS_ATTR_KEY_FEC:
- if (attr->fec != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case OPUS_ATTR_KEY_DTX:
- if (attr->dtx != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case OPUS_ATTR_KEY_SPROP_CAPTURE_RATE:
- if (attr->spropmaxcapturerate != (va_arg(ap, int))) {
- return -1;
- }
- break;
- case OPUS_ATTR_KEY_SPROP_STEREO:
- if (attr->spropstereo != (va_arg(ap, int))) {
- return -1;
- }
- break;
- default:
- ast_log(LOG_WARNING, "unknown attribute type %u\n", key);
- return -1;
- }
+ jointformat = ast_format_clone(format1);
+ if (!jointformat) {
+ return NULL;
}
- return 0;
-}
-static int opus_getjoint(const struct ast_format_attr *fattr1, const struct ast_format_attr *fattr2, struct ast_format_attr *result)
-{
- struct opus_attr *attr1 = (struct opus_attr *) fattr1;
- struct opus_attr *attr2 = (struct opus_attr *) fattr2;
- struct opus_attr *attr_res = (struct opus_attr *) result;
- int joint = 0;
+ attr_res = ast_format_get_attribute_data(jointformat);
/* Only do dtx if both sides want it. DTX is a trade off between
* computational complexity and bandwidth. */
@@ -243,65 +183,64 @@ static int opus_getjoint(const struct ast_format_attr *fattr1, const struct ast_
/* FIXME: do we need to join other attributes as well, e.g., minptime, cbr, etc.? */
- return joint;
+ return jointformat;
}
-static void opus_set(struct ast_format_attr *fattr, va_list ap)
+static struct ast_format *opus_set(const struct ast_format *format, const char *name, const char *value)
{
- enum opus_attr_keys key;
- struct opus_attr *attr = (struct opus_attr *) fattr;
-
- for (key = va_arg(ap, int);
- key != AST_FORMAT_ATTR_END;
- key = va_arg(ap, int))
- {
- switch (key) {
- case OPUS_ATTR_KEY_MAX_BITRATE:
- attr->maxbitrate = (va_arg(ap, int));
- break;
- case OPUS_ATTR_KEY_MAX_PLAYRATE:
- attr->maxplayrate = (va_arg(ap, int));
- break;
- case OPUS_ATTR_KEY_MINPTIME:
- attr->minptime = (va_arg(ap, int));
- break;
- case OPUS_ATTR_KEY_STEREO:
- attr->stereo = (va_arg(ap, int));
- break;
- case OPUS_ATTR_KEY_CBR:
- attr->cbr = (va_arg(ap, int));
- break;
- case OPUS_ATTR_KEY_FEC:
- attr->fec = (va_arg(ap, int));
- break;
- case OPUS_ATTR_KEY_DTX:
- attr->dtx = (va_arg(ap, int));
- break;
- case OPUS_ATTR_KEY_SPROP_CAPTURE_RATE:
- attr->spropmaxcapturerate = (va_arg(ap, int));
- break;
- case OPUS_ATTR_KEY_SPROP_STEREO:
- attr->spropstereo = (va_arg(ap, int));
- break;
- default:
- ast_log(LOG_WARNING, "unknown attribute type %u\n", key);
- }
+ struct ast_format *cloned;
+ struct opus_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, "max_bitrate")) {
+ attr->maxbitrate = val;
+ } else if (!strcasecmp(name, "max_playrate")) {
+ attr->maxplayrate = val;
+ } else if (!strcasecmp(name, "minptime")) {
+ attr->minptime = val;
+ } else if (!strcasecmp(name, "stereo")) {
+ attr->stereo = val;
+ } else if (!strcasecmp(name, "cbr")) {
+ attr->cbr = val;
+ } else if (!strcasecmp(name, "fec")) {
+ attr->fec = val;
+ } else if (!strcasecmp(name, "dtx")) {
+ attr->dtx = val;
+ } else if (!strcasecmp(name, "sprop_capture_rate")) {
+ attr->spropmaxcapturerate = val;
+ } else if (!strcasecmp(name, "sprop_stereo")) {
+ attr->spropstereo = val;
+ } else {
+ ast_log(LOG_WARNING, "unknown attribute type %s\n", name);
+ }
+
+ return cloned;
}
-static struct ast_format_attr_interface opus_interface = {
- .id = AST_FORMAT_OPUS,
- .format_attr_get_joint = opus_getjoint,
- .format_attr_set = opus_set,
- .format_attr_isset = opus_isset,
- .format_attr_get_val = opus_get_val,
- .format_attr_sdp_parse = opus_sdp_parse,
- .format_attr_sdp_generate = opus_sdp_generate,
+static struct ast_format_interface opus_interface = {
+ .format_destroy = opus_destroy,
+ .format_clone = opus_clone,
+ .format_get_joint = opus_getjoint,
+ .format_attribute_set = opus_set,
+ .format_parse_sdp_fmtp = opus_parse_sdp_fmtp,
+ .format_generate_sdp_fmtp = opus_generate_sdp_fmtp,
};
static int load_module(void)
{
- if (ast_format_attr_reg_interface(&opus_interface)) {
+ if (ast_format_interface_register("opus", &opus_interface)) {
return AST_MODULE_LOAD_DECLINE;
}
@@ -310,7 +249,6 @@ static int load_module(void)
static int unload_module(void)
{
- ast_format_attr_unreg_interface(&opus_interface);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-29 13:32:35 +0000