diff options
Diffstat (limited to 'openbsc/src/osmo-bsc_mgcp')
| -rw-r--r-- | openbsc/src/osmo-bsc_mgcp/mgcp_transcode.c | 13 | ||||
| -rw-r--r-- | openbsc/src/osmo-bsc_mgcp/mgcp_transcode.h | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/openbsc/src/osmo-bsc_mgcp/mgcp_transcode.c b/openbsc/src/osmo-bsc_mgcp/mgcp_transcode.c index cadc8769e..91c0c383c 100644 --- a/openbsc/src/osmo-bsc_mgcp/mgcp_transcode.c +++ b/openbsc/src/osmo-bsc_mgcp/mgcp_transcode.c @@ -72,6 +72,19 @@ struct mgcp_process_rtp_state { size_t dst_samples_per_frame; }; +int mgcp_transcoding_get_frame_size(void *state_, int nsamples, int dst) +{ + struct mgcp_process_rtp_state *state = state_; + if (dst) + return (nsamples >= 0 ? + nsamples / state->dst_samples_per_frame : + 1) * state->dst_frame_size; + else + return (nsamples >= 0 ? + nsamples / state->src_samples_per_frame : + 1) * state->src_frame_size; +} + static enum audio_format get_audio_format(const struct mgcp_rtp_end *rtp_end) { if (rtp_end->subtype_name) { diff --git a/openbsc/src/osmo-bsc_mgcp/mgcp_transcode.h b/openbsc/src/osmo-bsc_mgcp/mgcp_transcode.h index 2dfb06abf..0961634da 100644 --- a/openbsc/src/osmo-bsc_mgcp/mgcp_transcode.h +++ b/openbsc/src/osmo-bsc_mgcp/mgcp_transcode.h @@ -31,4 +31,6 @@ void mgcp_transcoding_net_downlink_format(struct mgcp_endpoint *endp, int mgcp_transcoding_process_rtp(struct mgcp_endpoint *endp, struct mgcp_rtp_end *dst_end, char *data, int *len, int buf_size); + +int mgcp_transcoding_get_frame_size(void *state_, int nsamples, int dst); #endif /* OPENBSC_MGCP_TRANSCODE_H */ |