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only first AMR mode-set wip 

Change-Id: I66d7822357648c5eb8e2edf27f4f6ce31f4091b4
This commit is contained in:
Neels Hofmeyr 2024-02-04 07:39:00 +01:00
parent e72a58d4bf
commit d70e0e355f
1 changed files with 17 additions and 7 deletions
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24
src/libmsc/ran_msg_iu.c
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@ -357,29 +357,39 @@ static uint32_t gsm0808_cfg_to_rab_modes(bool full_rate, uint16_t cfg)
return rab_modes; return rab_modes;
} }
/* Combine all the AMR cfg bits across the codecs */ static const struct sdp_audio_codec *first_amr(const struct sdp_audio_codecs *codecs)
{
const struct sdp_audio_codec *c;
sdp_audio_codecs_foreach (c, codecs) {
if (!strcmp("AMR", c->subtype_name))
return c;
}
return NULL;
}
/* Get the RAB modes (AMR rates) from the first AMR codec in this list */
static uint32_t codecs_to_rab_modes(const struct sdp_audio_codecs *codecs) static uint32_t codecs_to_rab_modes(const struct sdp_audio_codecs *codecs)
{ {
const struct sdp_audio_codec *c;
struct gsm0808_speech_codec_list scl = {}; struct gsm0808_speech_codec_list scl = {};
int i; int i;
uint32_t rab_modes = 0; uint32_t rab_modes = 0;
sdp_audio_codecs_to_speech_codec_list(&scl, codecs); c = first_amr(codecs);
if (!c)
return 0;
sdp_audio_codec_to_speech_codec_list(&scl, c);
for (i = 0; i < scl.len; i++) { for (i = 0; i < scl.len; i++) {
bool amr = false;
bool fr = false; bool fr = false;
switch (scl.codec[i].type) { switch (scl.codec[i].type) {
case GSM0808_SCT_FR3: case GSM0808_SCT_FR3:
amr = true;
fr = true; fr = true;
break; break;
case GSM0808_SCT_HR3: case GSM0808_SCT_HR3:
amr = true;
break; break;
default: default:
break; break;
} }
if (amr) rab_modes |= gsm0808_cfg_to_rab_modes(fr, scl.codec[i].cfg);
rab_modes |= gsm0808_cfg_to_rab_modes(fr, scl.codec[i].cfg);
} }
return rab_modes; return rab_modes;
} }