williamp/osmocom-analog
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Refactoring jitter buffer

Browse Source 
Features are:
 * Packet based buffer
 * Random in, first out
 * Adaptive delay compensation (voice)
 * Fixed delay (data, optionally MODEM/FAX)
 * Interpolation of missing frames
 * Any sample size
This commit is contained in:
Andreas Eversberg
2022-07-31 07:55:14 +02:00
parent 4fc92eba45
commit 2b7efedc48
42 changed files with 544 additions and 206 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/imts/imts.c
View File

@@ -1284,7 +1284,7 @@ void call_down_release(int callref, __attribute__((unused)) int cause)
}
/* Receive audio from call instance. */
void call_down_audio(int callref, sample_t *samples, int count)
void call_down_audio(int callref, uint16_t sequence, uint32_t timestamp, uint32_t ssrc, sample_t *samples, int count)
{
sender_t *sender;
imts_t *imts;
@@ -1298,9 +1298,7 @@ void call_down_audio(int callref, sample_t *samples, int count)
return;
if (imts->dsp_mode == DSP_MODE_AUDIO) {
sample_t up[(int)((double)count * imts->sender.srstate.factor + 0.5) + 10];
count = samplerate_upsample(&imts->sender.srstate, samples, count, up);
jitter_save(&imts->sender.dejitter, up, count);
jitter_save(&imts->sender.dejitter, samples, count, 1, sequence, timestamp, ssrc);
}
}