diff options
Diffstat (limited to 'src/router/audio.c')
| -rw-r--r-- | src/router/audio.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/router/audio.c b/src/router/audio.c index 0c4b6c3..16e83c0 100644 --- a/src/router/audio.c +++ b/src/router/audio.c @@ -127,6 +127,12 @@ void receive_originator(struct osmo_cc_session_codec *codec, uint16_t __attribut len = len / 2; sample_t samples[len]; + if (codec->decoder == decode_te) { + struct telephone_event *te = (struct telephone_event *)data; + telephone_event(relation, te); + return; + } + /* convert int16 to samples */ int16_to_samples(samples, (int16_t *)data, len); @@ -169,6 +175,11 @@ void receive_terminator(struct osmo_cc_session_codec *codec, uint16_t __attribut len = len / 2; sample_t samples[len]; + if (codec->decoder == decode_te) { + PDEBUG(DROUTER, DEBUG_NOTICE, "Ignoring received telephony-events from terminator.\n"); + return; + } + int16_to_samples(samples, (int16_t *)data, len); /* forward to originator, if not a forking call */ @@ -284,3 +295,29 @@ void decode_l16(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len *dst_len = len * 2; } +void encode_te(uint8_t __attribute__((unused)) *src_data, int __attribute__((unused)) src_len, uint8_t **dst_data, int *dst_len) +{ + /* FIXME: TBD... */ + *dst_data = NULL; + *dst_len = 0; +} + +void decode_te(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len) +{ + uint8_t *src = src_data; + struct telephone_event *te; + + if (src_len < 4) + return; + + te = calloc(1, sizeof(*te)); + if (!te) + return; + te->event = src[0]; + te->e = src[1] >> 7; + te->r = (src[1] >> 6) & 0x1; + te->volume = src[1] & 0x3f; + te->duration = (src[2] << 16) | src[3]; + *dst_data = (uint8_t *)te; + *dst_len = sizeof(*te); +} |