mgcp: Use the rtp_hdr structure and extract ts/seq from there
Use the rtp_hdr structure. The basic alignment issue remains and I need to merge/cherry-pick Jacob's getters for the ts, sequence number and other attributes.
This commit is contained in:
parent
c20a661272
commit
3713f78ac2
|
@ -35,4 +35,5 @@ struct rtp_hdr {
|
|||
uint16_t sequence;
|
||||
uint32_t timestamp;
|
||||
uint32_t ssrc;
|
||||
uint8_t data[0];
|
||||
} __attribute__((packed));
|
||||
|
|
|
@ -28,6 +28,7 @@
|
|||
#include <openbsc/mgcp.h>
|
||||
#include <openbsc/mgcp_internal.h>
|
||||
#include <openbsc/mgcp_transcode.h>
|
||||
#include <openbsc/rtp.h>
|
||||
|
||||
#include <osmocom/core/talloc.h>
|
||||
|
||||
|
@ -396,8 +397,9 @@ int mgcp_transcoding_process_rtp(struct mgcp_endpoint *endp,
|
|||
char *data, int *len, int buf_size)
|
||||
{
|
||||
struct mgcp_process_rtp_state *state = dst_end->rtp_process_data;
|
||||
size_t rtp_hdr_size = 12;
|
||||
char *payload_data = data + rtp_hdr_size;
|
||||
const size_t rtp_hdr_size = sizeof(struct rtp_hdr);
|
||||
struct rtp_hdr *rtp_hdr = (struct rtp_hdr *) data;
|
||||
char *payload_data = (char *) &rtp_hdr->data[0];
|
||||
int payload_len = *len - rtp_hdr_size;
|
||||
uint8_t *src = (uint8_t *)payload_data;
|
||||
uint8_t *dst = (uint8_t *)payload_data;
|
||||
|
@ -427,9 +429,9 @@ int mgcp_transcoding_process_rtp(struct mgcp_endpoint *endp,
|
|||
/* TODO: check payload type (-> G.711 comfort noise) */
|
||||
|
||||
if (payload_len > 0) {
|
||||
ts_no = ntohl(*(uint32_t*)(data+4));
|
||||
ts_no = ntohl(rtp_hdr->timestamp);
|
||||
if (!state->is_running) {
|
||||
state->next_seq = ntohs(*(uint16_t*)(data+2));
|
||||
state->next_seq = ntohs(rtp_hdr->sequence);
|
||||
state->next_time = ts_no;
|
||||
state->is_running = 1;
|
||||
}
|
||||
|
@ -504,8 +506,8 @@ int mgcp_transcoding_process_rtp(struct mgcp_endpoint *endp,
|
|||
nsamples -= state->sample_cnt;
|
||||
|
||||
*len = rtp_hdr_size + rc;
|
||||
*(uint16_t*)(data+2) = htons(state->next_seq);
|
||||
*(uint32_t*)(data+4) = htonl(ts_no);
|
||||
rtp_hdr->sequence = htons(state->next_seq);
|
||||
rtp_hdr->timestamp = htonl(ts_no);
|
||||
|
||||
state->next_seq += 1;
|
||||
state->next_time = ts_no + nsamples;
|
||||
|
|
Loading…
Reference in New Issue