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common code: Sample rate conversion now supports any rate above 8000 Hz

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This commit is contained in:
Andreas Eversberg
2016-04-17 15:17:38 +02:00
parent 05402283df
commit 9de121109d
6 changed files with 33 additions and 80 deletions
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8
src/common/call.c
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@@ -524,18 +524,18 @@ int process_call(void)
return 0;
}
if (count < call.latspl) {
int16_t up[count];
int16_t up[count + 10];
count = call.latspl - count;
switch(call.state) {
case CALL_ALERTING:
count = count / call.srstate.factor;
count = (int)((double)count / call.srstate.factor + 0.5);
get_call_patterns(samples, count, PATTERN_RINGBACK);
count = samplerate_upsample(&call.srstate, samples, count, up);
/* prevent click after hangup */
jitter_clear(&call.audio);
break;
case CALL_DISCONNECTED:
count = count / call.srstate.factor;
count = (int)((double)count / call.srstate.factor + 0.5);
get_call_patterns(samples, count, cause2pattern(call.disc_cause));
count = samplerate_upsample(&call.srstate, samples, count, up);
/* prevent click after hangup */
@@ -766,7 +766,7 @@ void call_tx_audio(int callref, int16_t *samples, int count)
/* save audio from transceiver to jitter buffer */
if (call.sound) {
int16_t up[count * call.srstate.factor];
int16_t up[(int)((double)count * call.srstate.factor + 0.5) + 10];
count = samplerate_upsample(&call.srstate, samples, count, up);
jitter_save(&call.audio, up, count);
}