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Fix negociation of rtcp-fb attributes in SDP.

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Some attributes could be added by us on incoming call whereas it should
not be done.
This commit is contained in:
Ghislain MARY 2015-05-18 15:35:36 +02:00
parent c8ca91ec23
commit 1f6fcb6393
1 changed files with 15 additions and 3 deletions
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18
coreapi/bellesip_sal/sal_sdp.c
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@ -128,6 +128,11 @@ static void add_rtcp_fb_attributes(belle_sdp_media_description_t *media_desc, co
payload_type_set_flag(pt, PAYLOAD_TYPE_RTCP_FEEDBACK_ENABLED);
avpf_params = payload_type_get_avpf_params(pt);
/* Add trr-int if not set generally. */
if (general_trr_int != TRUE) {
add_rtcp_fb_trr_int_attribute(media_desc, payload_type_get_number(pt), avpf_params.trr_interval);
}
/* Add rtcp-fb attributes according to the AVPF features of the payload types. */
if (avpf_params.features & PAYLOAD_TYPE_AVPF_PLI) {
add_rtcp_fb_nack_attribute(media_desc, payload_type_get_number(pt), BELLE_SDP_RTCP_FB_PLI);
@ -538,9 +543,6 @@ static void apply_rtcp_fb_attribute_to_payload(belle_sdp_rtcp_fb_attribute_t *fb
switch (belle_sdp_rtcp_fb_attribute_get_type(fb_attribute)) {
case BELLE_SDP_RTCP_FB_NACK:
switch (belle_sdp_rtcp_fb_attribute_get_param(fb_attribute)) {
case BELLE_SDP_RTCP_FB_NONE:
avpf_params.features |= PAYLOAD_TYPE_AVPF_PLI | PAYLOAD_TYPE_AVPF_SLI | PAYLOAD_TYPE_AVPF_RPSI;
break;
case BELLE_SDP_RTCP_FB_PLI:
avpf_params.features |= PAYLOAD_TYPE_AVPF_PLI;
break;
@ -550,6 +552,7 @@ static void apply_rtcp_fb_attribute_to_payload(belle_sdp_rtcp_fb_attribute_t *fb
case BELLE_SDP_RTCP_FB_RPSI:
avpf_params.features |= PAYLOAD_TYPE_AVPF_RPSI;
break;
case BELLE_SDP_RTCP_FB_NONE:
default:
break;
}
@ -581,6 +584,15 @@ static void sdp_parse_rtcp_fb_parameters(belle_sdp_media_description_t *media_de
PayloadType *pt;
int8_t pt_num;
/* Clear the AVPF features for all payload types. */
for (pt_it = stream->payloads; pt_it != NULL; pt_it = pt_it->next) {
PayloadTypeAvpfParams avpf_params;
pt = (PayloadType *)pt_it->data;
avpf_params = payload_type_get_avpf_params(pt);
avpf_params.features = PAYLOAD_TYPE_AVPF_NONE;
payload_type_set_avpf_params(pt, avpf_params);
}
/* Handle rtcp-fb attributes that concern all payload types. */
for (it = belle_sdp_media_description_get_attributes(media_desc); it != NULL; it = it->next) {
attribute = BELLE_SDP_ATTRIBUTE(it->data);