static int set_caps(struct ast_sip_session *session, struct ast_sip_session_media *session_media,
const struct pjmedia_sdp_media *stream)
{
RAII_VAR(struct ast_format_cap *, caps, NULL, ast_format_cap_destroy);
RAII_VAR(struct ast_format_cap *, peer, NULL, ast_format_cap_destroy);
RAII_VAR(struct ast_format_cap *, joint, NULL, ast_format_cap_destroy);
enum ast_format_type media_type = stream_to_media_type(session_media->stream_type);
struct ast_rtp_codecs codecs;
struct ast_format fmt;
int fmts = 0;
int direct_media_enabled = !ast_sockaddr_isnull(&session_media->direct_media_addr) &&
!ast_format_cap_is_empty(session->direct_media_cap);
if (!(caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK)) ||
!(peer = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_NOLOCK))) {
ast_log(LOG_ERROR, "Failed to allocate %s capabilities\n", session_media->stream_type);
return -1;
}
/* get the endpoint capabilities */
if (direct_media_enabled) {
ast_format_cap_joint_copy(session->endpoint->media.codecs, session->direct_media_cap, caps);
} else {
ast_format_cap_copy(caps, session->endpoint->media.codecs);
}
format_cap_only_type(caps, media_type);
/* get the capabilities on the peer */
get_codecs(session, stream, &codecs);
ast_rtp_codecs_payload_formats(&codecs, peer, &fmts);
/* get the joint capabilities between peer and endpoint */
if (!(joint = ast_format_cap_joint(caps, peer))) {
char usbuf[64], thembuf[64];
ast_rtp_codecs_payloads_destroy(&codecs);
ast_getformatname_multiple(usbuf, sizeof(usbuf), caps);
ast_getformatname_multiple(thembuf, sizeof(thembuf), peer);
ast_log(LOG_WARNING, "No joint capabilities between our configuration(%s) and incoming SDP(%s)\n", usbuf, thembuf);
return -1;
}
ast_rtp_codecs_payloads_copy(&codecs, ast_rtp_instance_get_codecs(session_media->rtp),
session_media->rtp);
ast_format_cap_copy(caps, session->req_caps);
ast_format_cap_remove_bytype(caps, media_type);
ast_format_cap_append(caps, joint);
ast_format_cap_append(session->req_caps, caps);
if (session->channel) {
ast_format_cap_copy(caps, ast_channel_nativeformats(session->channel));
ast_format_cap_remove_bytype(caps, media_type);
ast_codec_choose(&session->endpoint->media.prefs, joint, 1, &fmt);
ast_format_cap_add(caps, &fmt);
/* Apply the new formats to the channel, potentially changing read/write formats while doing so */
ast_format_cap_copy(ast_channel_nativeformats(session->channel), caps);
ast_set_read_format(session->channel, ast_channel_readformat(session->channel));
ast_set_write_format(session->channel, ast_channel_writeformat(session->channel));
}
ast_rtp_codecs_payloads_destroy(&codecs);
return 0;
}
static int container_test1_helper(struct ast_format_cap *cap1, struct ast_format_cap *cap2, struct ast_test *test)
{
int res = AST_TEST_PASS;
struct ast_format_cap *cap_joint = NULL;
struct ast_format tmpformat;
if (ast_format_attr_reg_interface(&test_interface)) {
ast_test_status_update(test, "test_interface failed to register.\n");
ast_format_cap_destroy(cap1);
ast_format_cap_destroy(cap2);
return AST_TEST_FAIL;
}
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_GSM, 0));
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_ULAW, 0));
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_G722, 0));
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_ALAW, 0));
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_H264, 0));
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_H263, 0));
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_T140, 0));
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_JPEG, 0));
ast_format_cap_add(cap1, ast_format_set(&tmpformat, AST_FORMAT_TESTLAW, 1,
TEST_ATTR_KEY_STRING, "testing caps hooray",
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_8KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_16KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_32KHZ,
AST_FORMAT_ATTR_END));
/* Test is compatible */
if (!ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_ALAW, 0)) ||
!ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_ULAW, 0)) ||
!ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_GSM, 0)) ||
!ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_H264, 0)) ||
!ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_JPEG, 0)) ||
!ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_T140, 0))) {
ast_test_status_update(test, "ast cap1 failed to properly detect compatibility test 1.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* Test things that are not compatible */
if (ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_SPEEX, 0)) ||
ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_SPEEX16, 0)) ||
ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_H261, 0))) {
ast_test_status_update(test, "ast cap1 failed to properly detect compatibility test 2.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* Test compatiblity with format with attributes. */
if (!ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_TESTLAW, 1,
TEST_ATTR_KEY_STRING, "testing caps hooray",
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_8KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_16KHZ,
AST_FORMAT_ATTR_END))) {
ast_test_status_update(test, "ast cap1 failed to properly detect compatibility test 3.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
if (!ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_TESTLAW, 1,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_8KHZ,
AST_FORMAT_ATTR_END))) {
ast_test_status_update(test, "ast cap1 failed to properly detect compatibility test 4.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
if (ast_format_cap_iscompatible(cap1, ast_format_set(&tmpformat, AST_FORMAT_TESTLAW, 1,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_8KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_48KHZ, /* 48khz was not compatible, so this should fail iscompatible check */
AST_FORMAT_ATTR_END))) {
ast_test_status_update(test, "ast cap1 failed to properly detect compatibility test 5.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* Lets start testing the functions that compare ast_format_cap objects.
* Genreate the cap2 object to contain some similar formats as cap1
* and some different formats as well. */
ast_format_cap_add(cap2, ast_format_set(&tmpformat, AST_FORMAT_GSM, 0));
ast_format_cap_add(cap2, ast_format_set(&tmpformat, AST_FORMAT_ULAW, 0));
ast_format_cap_add(cap2, ast_format_set(&tmpformat, AST_FORMAT_SIREN7, 0));
ast_format_cap_add(cap2, ast_format_set(&tmpformat, AST_FORMAT_H261, 0));
ast_format_cap_add(cap2, ast_format_set(&tmpformat, AST_FORMAT_T140, 0));
ast_format_cap_add(cap2, ast_format_set(&tmpformat, AST_FORMAT_TESTLAW, 1,
TEST_ATTR_KEY_STRING, "testing caps hooray",
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_8KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_12KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_16KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_32KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_48KHZ,
AST_FORMAT_ATTR_END));
/* find joint formats between cap1 and cap2 */
cap_joint = ast_format_cap_joint(cap1, cap2);
if (!cap_joint) {
ast_test_status_update(test, "failed to create joint capabilities correctly.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* determine if cap_joint is what we think it should be */
if (!ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_GSM, 0)) ||
!ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_ULAW, 0)) ||
!ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_T140, 0)) ||
!ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_TESTLAW, 1,
TEST_ATTR_KEY_STRING, "testing caps hooray",
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_8KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_16KHZ,
AST_FORMAT_ATTR_END))) {
ast_test_status_update(test, "ast cap_joint failed to properly detect compatibility test 1.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* make sure joint cap does not have formats that should not be there */
if (ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_SIREN7, 0)) ||
ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_TESTLAW, 1,
TEST_ATTR_KEY_STRING, "testing caps hooray",
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_8KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_16KHZ,
TEST_ATTR_KEY_SAMP_RATE, TEST_ATTR_VAL_SAMP_48KHZ,
AST_FORMAT_ATTR_END))) {
ast_test_status_update(test, "ast cap_joint failed to properly detect compatibility test 1.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* Lets test removing a capability */
if (ast_format_cap_remove(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_T140, 0))) {
ast_test_status_update(test, "ast_format_cap_remove failed. \n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* Lets make sure what we just removed does not still exist */
if (ast_format_cap_iscompatible(cap_joint, &tmpformat)) {
ast_test_status_update(test, "ast_format_cap_remove failed 2. \n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* Lets test removing a capability by id.*/
if (ast_format_cap_remove_byid(cap_joint, AST_FORMAT_GSM)) {
ast_test_status_update(test, "ast_format_cap_remove failed 3. \n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* Lets make sure what we just removed does not still exist */
if (ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_GSM, 0))) {
ast_test_status_update(test, "ast_format_cap_remove failed 4. \n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* lets test getting joint formats by type */
ast_format_cap_destroy(cap_joint);
if (!(cap_joint = ast_format_cap_get_type(cap1, AST_FORMAT_TYPE_VIDEO))) {
ast_test_status_update(test, "ast_format_cap_get_type failed.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* lets make sure our joint capability structure has what we expect */
if (!ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_H264, 0)) ||
!ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_H263, 0))) {
ast_test_status_update(test, "get_type failed 2.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* now make sure joint does not have anything but video */
if (ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_ALAW, 0)) ||
ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_ULAW, 0)) ||
ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_GSM, 0)) ||
ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_JPEG, 0)) ||
ast_format_cap_iscompatible(cap_joint, ast_format_set(&tmpformat, AST_FORMAT_T140, 0))) {
ast_test_status_update(test, "get_type failed 3.\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* now lets remove everythign from cap_joint */
ast_format_cap_remove_all(cap_joint);
if (!ast_format_cap_is_empty(cap_joint)) {
ast_test_status_update(test, "failed to remove all\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* now lets add all by type */
ast_format_cap_add_all_by_type(cap_joint, AST_FORMAT_TYPE_AUDIO);
if (ast_format_cap_is_empty(cap_joint)) {
ast_test_status_update(test, "failed to add all by type AUDIO\n");
res = AST_TEST_FAIL;
}
ast_format_cap_iter_start(cap_joint);
while (!(ast_format_cap_iter_next(cap_joint, &tmpformat))) {
if (AST_FORMAT_GET_TYPE(tmpformat.id) != AST_FORMAT_TYPE_AUDIO) {
ast_test_status_update(test, "failed to add all by type AUDIO\n");
res = AST_TEST_FAIL;
ast_format_cap_iter_end(cap_joint);
goto test3_cleanup;
}
}
ast_format_cap_iter_end(cap_joint);
/* test append */
ast_format_cap_append(cap_joint, cap1);
ast_format_cap_iter_start(cap1);
while (!(ast_format_cap_iter_next(cap1, &tmpformat))) {
if (!ast_format_cap_iscompatible(cap_joint, &tmpformat)) {
ast_test_status_update(test, "failed to append format capabilities.\n");
res = AST_TEST_FAIL;
ast_format_cap_iter_end(cap1);
goto test3_cleanup;
}
}
ast_format_cap_iter_end(cap1);
/* test copy */
cap1 = ast_format_cap_destroy(cap1);
cap1 = ast_format_cap_dup(cap_joint);
if (!ast_format_cap_identical(cap_joint, cap1)) {
ast_test_status_update(test, "failed to copy capabilities\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
/* test remove by type */
ast_format_cap_remove_bytype(cap_joint, AST_FORMAT_TYPE_AUDIO);
if (ast_format_cap_has_type(cap_joint, AST_FORMAT_TYPE_AUDIO)) {
ast_test_status_update(test, "failed to remove all by type audio\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
if (!ast_format_cap_has_type(cap_joint, AST_FORMAT_TYPE_TEXT)) { /* it should still have text */
ast_test_status_update(test, "failed to remove all by type audio\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
ast_format_cap_iter_start(cap_joint);
while (!(ast_format_cap_iter_next(cap_joint, &tmpformat))) {
if (AST_FORMAT_GET_TYPE(tmpformat.id) == AST_FORMAT_TYPE_AUDIO) {
ast_test_status_update(test, "failed to remove all by type audio\n");
res = AST_TEST_FAIL;
ast_format_cap_iter_end(cap_joint);
goto test3_cleanup;
}
}
ast_format_cap_iter_end(cap_joint);
/* test add all */
ast_format_cap_remove_all(cap_joint);
ast_format_cap_add_all(cap_joint);
{
int video = 0, audio = 0, text = 0, image = 0;
ast_format_cap_iter_start(cap_joint);
while (!(ast_format_cap_iter_next(cap_joint, &tmpformat))) {
switch (AST_FORMAT_GET_TYPE(tmpformat.id)) {
case AST_FORMAT_TYPE_AUDIO:
audio++;
break;
case AST_FORMAT_TYPE_VIDEO:
video++;
break;
case AST_FORMAT_TYPE_TEXT:
text++;
break;
case AST_FORMAT_TYPE_IMAGE:
image++;
break;
}
}
ast_format_cap_iter_end(cap_joint);
if (!video || !audio || !text || !image) {
ast_test_status_update(test, "failed to add all\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
}
/* test copy2 */
ast_format_cap_copy(cap2, cap_joint);
if (!ast_format_cap_identical(cap2, cap_joint)) {
ast_test_status_update(test, "ast_format_cap_copy failed\n");
res = AST_TEST_FAIL;
goto test3_cleanup;
}
test3_cleanup:
ast_format_cap_destroy(cap1);
ast_format_cap_destroy(cap2);
ast_format_cap_destroy(cap_joint);
/* unregister interface */
if (ast_format_attr_unreg_interface(&test_interface)) {
ast_test_status_update(test, "test_interface failed to unregister.\n");
res = AST_TEST_FAIL;
}
return res;
}
struct ast_unreal_pvt *ast_unreal_alloc(size_t size, ao2_destructor_fn destructor, struct ast_format_cap *cap)
{
struct ast_unreal_pvt *unreal;
static const struct ast_jb_conf jb_conf = {
.flags = 0,
.max_size = -1,
.resync_threshold = -1,
.impl = "",
.target_extra = -1,
};
unreal = ao2_alloc(size, destructor);
if (!unreal) {
return NULL;
}
unreal->reqcap = ast_format_cap_dup(cap);
if (!unreal->reqcap) {
ao2_ref(unreal, -1);
return NULL;
}
memcpy(&unreal->jb_conf, &jb_conf, sizeof(unreal->jb_conf));
return unreal;
}
struct ast_channel *ast_unreal_new_channels(struct ast_unreal_pvt *p,
const struct ast_channel_tech *tech, int semi1_state, int semi2_state,
const char *exten, const char *context, const struct ast_assigned_ids *assignedids,
const struct ast_channel *requestor, struct ast_callid *callid)
{
struct ast_channel *owner;
struct ast_channel *chan;
struct ast_format fmt;
struct ast_assigned_ids id1 = {NULL, NULL};
struct ast_assigned_ids id2 = {NULL, NULL};
int generated_seqno = ast_atomic_fetchadd_int((int *) &name_sequence, +1);
/* set unique ids for the two channels */
if (assignedids && !ast_strlen_zero(assignedids->uniqueid)) {
id1.uniqueid = assignedids->uniqueid;
id2.uniqueid = assignedids->uniqueid2;
}
/* if id1 given but not id2, use default of id1;2 */
if (id1.uniqueid && ast_strlen_zero(id2.uniqueid)) {
char *uniqueid2;
uniqueid2 = ast_alloca(strlen(id1.uniqueid) + 2);
strcpy(uniqueid2, id1.uniqueid);/* Safe */
strcat(uniqueid2, ";2");/* Safe */
id2.uniqueid = uniqueid2;
}
/*
* Allocate two new Asterisk channels
*
* Make sure that the ;2 channel gets the same linkedid as ;1.
* You can't pass linkedid to both allocations since if linkedid
* isn't set, then each channel will generate its own linkedid.
*/
if (!(owner = ast_channel_alloc(1, semi1_state, NULL, NULL, NULL,
exten, context, &id1, requestor, 0,
"%s/%s-%08x;1", tech->type, p->name, generated_seqno))) {
ast_log(LOG_WARNING, "Unable to allocate owner channel structure\n");
return NULL;
}
if (callid) {
ast_channel_callid_set(owner, callid);
}
ast_channel_tech_set(owner, tech);
ao2_ref(p, +1);
ast_channel_tech_pvt_set(owner, p);
ast_format_cap_copy(ast_channel_nativeformats(owner), p->reqcap);
/* Determine our read/write format and set it on each channel */
ast_best_codec(p->reqcap, &fmt);
ast_format_copy(ast_channel_writeformat(owner), &fmt);
ast_format_copy(ast_channel_rawwriteformat(owner), &fmt);
ast_format_copy(ast_channel_readformat(owner), &fmt);
ast_format_copy(ast_channel_rawreadformat(owner), &fmt);
ast_set_flag(ast_channel_flags(owner), AST_FLAG_DISABLE_DEVSTATE_CACHE);
ast_jb_configure(owner, &p->jb_conf);
if (ast_channel_cc_params_init(owner, requestor
? ast_channel_get_cc_config_params((struct ast_channel *) requestor) : NULL)) {
ao2_ref(p, -1);
ast_channel_unlock(owner);
ast_channel_release(owner);
return NULL;
}
p->owner = owner;
ast_channel_unlock(owner);
if (!(chan = ast_channel_alloc(1, semi2_state, NULL, NULL, NULL,
exten, context, &id2, owner, 0,
"%s/%s-%08x;2", tech->type, p->name, generated_seqno))) {
ast_log(LOG_WARNING, "Unable to allocate chan channel structure\n");
ao2_ref(p, -1);
ast_channel_release(owner);
return NULL;
}
if (callid) {
ast_channel_callid_set(chan, callid);
}
ast_channel_tech_set(chan, tech);
ao2_ref(p, +1);
ast_channel_tech_pvt_set(chan, p);
ast_format_cap_copy(ast_channel_nativeformats(chan), p->reqcap);
/* Format was already determined when setting up owner */
ast_format_copy(ast_channel_writeformat(chan), &fmt);
ast_format_copy(ast_channel_rawwriteformat(chan), &fmt);
ast_format_copy(ast_channel_readformat(chan), &fmt);
ast_format_copy(ast_channel_rawreadformat(chan), &fmt);
ast_set_flag(ast_channel_flags(chan), AST_FLAG_DISABLE_DEVSTATE_CACHE);
p->chan = chan;
ast_channel_unlock(chan);
return owner;
}