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-rw-r--r--src/lrtp.cc45
1 files changed, 38 insertions, 7 deletions
diff --git a/src/lrtp.cc b/src/lrtp.cc
index 1f0b11d..f974331 100644
--- a/src/lrtp.cc
+++ b/src/lrtp.cc
@@ -39,6 +39,8 @@
#include "srtp.h"
+//#define SKIP_SRTP
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -222,7 +224,9 @@ int lrtp_pack(struct lrtp_t *lrtp, char *packet, size_t maxsize)
if(rtp.isValid()) {
size_t size = rtp.packet(packet, maxsize);
+#ifndef SKIP_SRTP
size = lrtp->srtp->encrypt(packet, size);
+#endif/*SKIP_SRTP*/
lrtp->seq++;
return size;
}
@@ -246,6 +250,9 @@ int lrtp_dequeue_frame(struct lrtp_t *lrtp,
memcpy(frame, f->data, f->size);
+ *csrc = f->csrc;
+ *ts = f->ts;
+
lrtp->framelist.pop_front();
free(f->data);
@@ -257,32 +264,56 @@ int lrtp_dequeue_frame(struct lrtp_t *lrtp,
EXPORT
int lrtp_unpack(struct lrtp_t *lrtp, const char *packet, size_t size)
{
- if(!lrtp) return UNPACK_MISSING_HANDLE;
+ if(!lrtp) return -UNPACK_MISSING_HANDLE;
// TODO: Check lrtp magic word
- char pkg[16*1024];
+ char pkg[size];
memcpy(pkg, packet, size);
- size = lrtp->srtp->decrypt(pkg, size);
+ int ret = 0;
+
+#ifndef SKIP_SRTP
+ ret = lrtp->srtp->decrypt(pkg, size);
+
+ if(ret < 0) {
+ printf("lrtp_unpack::decrypt error: %d\n", ret);
+ return -1;
+ }
+
+ size = ret;
+#endif/*SKIP_SRTP*/
RTP rtp;
rtp.fromPacket(pkg, size);
std::list<csrc_t> csrcs = rtp.getCSrcs();
- if(csrcs.size() == 0) return UNPACK_MISSING_CSRC;
- if(csrcs.size() > 1) return UNPACK_TOO_MANY_CSRCS;
+ if(csrcs.size() == 0) return -UNPACK_MISSING_CSRC;
+ if(csrcs.size() > 1) return -UNPACK_TOO_MANY_CSRCS;
csrc_t csrc = *csrcs.begin();
struct lrtp_profile_t *profile = NULL;
if(lrtp->profiles.find(csrc) == lrtp->profiles.end()) {
- return UNPACK_MISSING_PROFILE;
+ return -UNPACK_MISSING_PROFILE;
}
profile = lrtp->profiles[csrc];
std::list<outputframe_t*> framelist;
- int ret = profile->unpack(profile, rtp, framelist);
+ ret = profile->unpack(profile, rtp, framelist);
+
+ if(ret < 0) {
+ printf("lrtp_unpack::Profile unpack failed: %d\n", ret);
+ return -1;
+ }
+
+ // Make sure all frames in the list have the correct csrc.
+ std::list<outputframe_t*>::iterator fi = framelist.begin();
+ while(fi != framelist.end()) {
+ (*fi)->csrc = csrc;
+ fi++;
+ }
+
lrtp->framelist.splice(lrtp->framelist.end(), framelist);
return ret;