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Merge "rtp_engine.c: Fix performance issue with several channel drivers that use RTP."

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This commit is contained in:
Matt Jordan
2015-08-08 08:07:12 -05:00
committed by Gerrit Code Review
parent 12e6f5ac01 f49bef08a2
commit 35fe8f74fe
1 changed files with 57 additions and 51 deletions
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100
main/rtp_engine.c
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@@ -229,7 +229,7 @@ static int mime_types_len = 0;
* See http://www.iana.org/assignments/rtp-parameters for a list of
* assigned values
*/
static struct ast_rtp_payload_type static_RTP_PT[AST_RTP_MAX_PT];
static struct ast_rtp_payload_type *static_RTP_PT[AST_RTP_MAX_PT];
static ast_rwlock_t static_RTP_PT_lock;
/*! \brief \ref stasis topic for RTP related messages */
@@ -651,23 +651,23 @@ void ast_rtp_codecs_payloads_set_m_type(struct ast_rtp_codecs *codecs, struct as
return;
}
new_type = ast_rtp_engine_alloc_payload_type();
ast_rwlock_rdlock(&static_RTP_PT_lock);
new_type = ao2_bump(static_RTP_PT[payload]);
ast_rwlock_unlock(&static_RTP_PT_lock);
if (!new_type) {
ast_debug(1, "Don't have a default tx payload type %d format for m type on %p\n",
payload, codecs);
return;
}
ast_rwlock_rdlock(&static_RTP_PT_lock);
ast_debug(1, "Setting tx payload type %d based on m type on %p\n",
payload, codecs);
ast_rwlock_wrlock(&codecs->codecs_lock);
if (payload < AST_VECTOR_SIZE(&codecs->payloads)) {
ao2_t_cleanup(AST_VECTOR_GET(&codecs->payloads, payload), "cleaning up replaced payload type");
}
new_type->asterisk_format = static_RTP_PT[payload].asterisk_format;
new_type->rtp_code = static_RTP_PT[payload].rtp_code;
new_type->payload = payload;
new_type->format = ao2_bump(static_RTP_PT[payload].format);
ast_debug(1, "Setting payload %d (%p) based on m type on %p\n", payload, new_type, codecs);
AST_VECTOR_REPLACE(&codecs->payloads, payload, new_type);
if (instance && instance->engine && instance->engine->payload_set) {
@@ -675,7 +675,6 @@ void ast_rtp_codecs_payloads_set_m_type(struct ast_rtp_codecs *codecs, struct as
}
ast_rwlock_unlock(&codecs->codecs_lock);
ast_rwlock_unlock(&static_RTP_PT_lock);
}
int ast_rtp_codecs_payloads_set_rtpmap_type_rate(struct ast_rtp_codecs *codecs, struct ast_rtp_instance *instance, int pt,
@@ -791,15 +790,8 @@ struct ast_rtp_payload_type *ast_rtp_codecs_get_payload(struct ast_rtp_codecs *c
ast_rwlock_unlock(&codecs->codecs_lock);
if (!type) {
type = ast_rtp_engine_alloc_payload_type();
if (!type) {
return NULL;
}
ast_rwlock_rdlock(&static_RTP_PT_lock);
type->asterisk_format = static_RTP_PT[payload].asterisk_format;
type->rtp_code = static_RTP_PT[payload].rtp_code;
type->payload = payload;
type->format = ao2_bump(static_RTP_PT[payload].format);
type = ao2_bump(static_RTP_PT[payload]);
ast_rwlock_unlock(&static_RTP_PT_lock);
}
@@ -810,17 +802,24 @@ int ast_rtp_codecs_payload_replace_format(struct ast_rtp_codecs *codecs, int pay
{
struct ast_rtp_payload_type *type;
if (payload < 0 || payload >= AST_RTP_MAX_PT) {
if (payload < 0 || payload >= AST_RTP_MAX_PT || !format) {
return -1;
}
type = ast_rtp_engine_alloc_payload_type();
if (!type) {
return -1;
}
ao2_ref(format, +1);
type->format = format;
type->asterisk_format = 1;
type->payload = payload;
ast_rwlock_wrlock(&codecs->codecs_lock);
if (payload < AST_VECTOR_SIZE(&codecs->payloads)) {
type = AST_VECTOR_GET(&codecs->payloads, payload);
if (type && type->asterisk_format) {
ao2_replace(type->format, format);
}
ao2_cleanup(AST_VECTOR_GET(&codecs->payloads, payload));
}
AST_VECTOR_REPLACE(&codecs->payloads, payload, type);
ast_rwlock_unlock(&codecs->codecs_lock);
return 0;
@@ -923,12 +922,15 @@ int ast_rtp_codecs_payload_code(struct ast_rtp_codecs *codecs, int asterisk_form
if (payload < 0) {
ast_rwlock_rdlock(&static_RTP_PT_lock);
for (i = 0; i < AST_RTP_MAX_PT; i++) {
if (static_RTP_PT[i].asterisk_format && asterisk_format && format &&
(ast_format_cmp(format, static_RTP_PT[i].format) != AST_FORMAT_CMP_NOT_EQUAL)) {
if (!static_RTP_PT[i]) {
continue;
}
if (static_RTP_PT[i]->asterisk_format && asterisk_format && format &&
(ast_format_cmp(format, static_RTP_PT[i]->format) != AST_FORMAT_CMP_NOT_EQUAL)) {
payload = i;
break;
} else if (!static_RTP_PT[i].asterisk_format && !asterisk_format &&
(static_RTP_PT[i].rtp_code == code)) {
} else if (!static_RTP_PT[i]->asterisk_format && !asterisk_format &&
(static_RTP_PT[i]->rtp_code == code)) {
payload = i;
break;
}
@@ -1693,16 +1695,6 @@ void ast_rtp_dtls_cfg_free(struct ast_rtp_dtls_cfg *dtls_cfg)
dtls_cfg->capath = NULL;
}
/*! \internal
* \brief Small helper routine that cleans up entry i in
* \c static_RTP_PT.
*/
static void rtp_engine_static_RTP_PT_cleanup(int i)
{
ao2_cleanup(static_RTP_PT[i].format);
memset(&static_RTP_PT[i], 0, sizeof(struct ast_rtp_payload_type));
}
/*! \internal
* \brief Small helper routine that cleans up entry i in
* \c ast_rtp_mime_types.
@@ -1744,6 +1736,7 @@ static void set_next_mime_type(struct ast_format *format, int rtp_code, const ch
static void add_static_payload(int map, struct ast_format *format, int rtp_code)
{
int x;
struct ast_rtp_payload_type *type;
ast_assert(map < ARRAY_LEN(static_RTP_PT));
@@ -1751,24 +1744,36 @@ static void add_static_payload(int map, struct ast_format *format, int rtp_code)
if (map < 0) {
/* find next available dynamic payload slot */
for (x = AST_RTP_PT_FIRST_DYNAMIC; x < AST_RTP_MAX_PT; ++x) {
if (!static_RTP_PT[x].asterisk_format && !static_RTP_PT[x].rtp_code) {
if (!static_RTP_PT[x]) {
map = x;
break;
}
}
if (map < 0) {
if (format) {
ast_log(LOG_WARNING, "No Dynamic RTP mapping available for format %s\n",
ast_format_get_name(format));
} else {
ast_log(LOG_WARNING, "No Dynamic RTP mapping available for RTP code %d\n",
rtp_code);
}
ast_rwlock_unlock(&static_RTP_PT_lock);
return;
}
}
type = ast_rtp_engine_alloc_payload_type();
if (type) {
if (format) {
static_RTP_PT[map].asterisk_format = 1;
static_RTP_PT[map].format = ao2_bump(format);
ao2_ref(format, +1);
type->format = format;
type->asterisk_format = 1;
} else {
static_RTP_PT[map].rtp_code = rtp_code;
type->rtp_code = rtp_code;
}
type->payload = map;
ao2_cleanup(static_RTP_PT[map]);
static_RTP_PT[map] = type;
}
ast_rwlock_unlock(&static_RTP_PT_lock);
}
@@ -1797,8 +1802,10 @@ int ast_rtp_engine_unload_format(struct ast_format *format)
ast_rwlock_wrlock(&static_RTP_PT_lock);
/* remove everything pertaining to this format id from the lists */
for (x = 0; x < AST_RTP_MAX_PT; x++) {
if (ast_format_cmp(static_RTP_PT[x].format, format) == AST_FORMAT_CMP_EQUAL) {
rtp_engine_static_RTP_PT_cleanup(x);
if (static_RTP_PT[x]
&& ast_format_cmp(static_RTP_PT[x]->format, format) == AST_FORMAT_CMP_EQUAL) {
ao2_ref(static_RTP_PT[x], -1);
static_RTP_PT[x] = NULL;
}
}
ast_rwlock_unlock(&static_RTP_PT_lock);
@@ -2087,9 +2094,8 @@ static void rtp_engine_shutdown(void)
ast_rwlock_wrlock(&static_RTP_PT_lock);
for (x = 0; x < AST_RTP_MAX_PT; x++) {
if (static_RTP_PT[x].format) {
rtp_engine_static_RTP_PT_cleanup(x);
}
ao2_cleanup(static_RTP_PT[x]);
static_RTP_PT[x] = NULL;
}
ast_rwlock_unlock(&static_RTP_PT_lock);