[PATCH 7/9] mgcp/rtp: Make offset computation understandable

Rename the timestamp variable to make in clear, that the input timestamp is meant. Add a helper variable to illustrate the offset computation. Sponsored-by: On-Waves ehf --- openbsc/src/libmgcp/mgcp_network.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/openbsc/src/libmgcp/mgcp_network.c b/openbsc/src/libmgcp/mgcp_network.c index 21d52b5..04e6cbe 100644 --- a/openbsc/src/libmgcp/mgcp_network.c +++ b/openbsc/src/libmgcp/mgcp_network.c @@ -241,10 +241,11 @@ static int adjust_rtp_timestamp_offset(struct mgcp_endpoint *endp, struct mgcp_rtp_state *state, struct mgcp_rtp_end *rtp_end, struct sockaddr_in *addr, - int16_t delta_seq, uint32_t timestamp) + int16_t delta_seq, uint32_t in_timestamp) { int32_t tsdelta = state->packet_duration; int timestamp_offset; + uint32_t out_timestamp; if (tsdelta == 0) { tsdelta = state->out_stream.last_tsdelta; @@ -269,9 +270,8 @@ static int adjust_rtp_timestamp_offset(struct mgcp_endpoint *endp, } } - timestamp_offset = - state->out_stream.last_timestamp - timestamp + - delta_seq * tsdelta; + out_timestamp = state->out_stream.last_timestamp + delta_seq * tsdelta; + timestamp_offset = out_timestamp - in_timestamp; if (state->timestamp_offset != timestamp_offset) { state->timestamp_offset = timestamp_offset; -- 1.7.9.5