diff options
| author | Harald Welte <laforge@netfilter.org> | 2009-12-19 23:06:41 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@netfilter.org> | 2009-12-19 23:09:35 +0100 |
| commit | aca8f158bccfc129a9eae234339a2b9c96d6f230 (patch) | |
| tree | e249d9ce032c712e31ca5e4b5a2f01d173865392 /openbsc/src | |
| parent | da7ab74298b9fdb5eb27d6575e8a15683b69889f (diff) | |
Add RTP support for EFR
This is just the minimal support to receive and send EFR codec
RTP frames.
We are missing the code to convert TRAU frames in EFR format!
Diffstat (limited to 'openbsc/src')
| -rw-r--r-- | openbsc/src/mncc.c | 2 | ||||
| -rw-r--r-- | openbsc/src/rtp_proxy.c | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/openbsc/src/mncc.c b/openbsc/src/mncc.c index a5efc7312..f53b15dcb 100644 --- a/openbsc/src/mncc.c +++ b/openbsc/src/mncc.c @@ -83,7 +83,7 @@ static struct mncc_names { {"MNCC_FRAME_DROP", 0x0202}, {"MNCC_LCHAN_MODIFY", 0x0203}, - {"GSM_TRAU_FRAME", 0x0300}, + {"GSM_TCH_FRAME", 0x0300}, {NULL, 0} }; diff --git a/openbsc/src/rtp_proxy.c b/openbsc/src/rtp_proxy.c index f9207d661..551349750 100644 --- a/openbsc/src/rtp_proxy.c +++ b/openbsc/src/rtp_proxy.c @@ -82,6 +82,7 @@ struct rtp_x_hdr { #define RTP_VERSION 2 #define RTP_PT_GSM_FULL 3 +#define RTP_PT_GSM_EFR 97 /* decode an rtp frame and create a new buffer with payload */ static int rtp_decode(struct msgb *msg, u_int32_t callref, struct msgb **data) @@ -152,6 +153,9 @@ static int rtp_decode(struct msgb *msg, u_int32_t callref, struct msgb **data) return -EINVAL; } break; + case RTP_PT_GSM_EFR: + msg_type = GSM_TCHF_FRAME_EFR; + break; default: DEBUGPC(DMUX, "received RTP frame with unknown payload " "type %d\n", rtph->payload_type); @@ -196,6 +200,11 @@ int rtp_send_frame(struct rtp_socket *rs, struct gsm_data_frame *frame) payload_len = 33; duration = 160; break; + case GSM_TCHF_FRAME_EFR: + payload_type = RTP_PT_GSM_EFR; + payload_len = 31; + duration = 160; + break; default: DEBUGPC(DMUX, "unsupported message type %d\n", frame->msg_type); |