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Refactoring jitter buffer

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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
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src/anetz/anetz.c
+3 -6
View File
@@ -513,7 +513,7 @@ 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;
anetz_t *anetz;
@@ -526,11 +526,8 @@ void call_down_audio(int callref, sample_t *samples, int count)
if (!sender)
return;
if (anetz->dsp_mode == DSP_MODE_AUDIO) {
sample_t up[(int)((double)count * anetz->sender.srstate.factor + 0.5) + 10];
count = samplerate_upsample(&anetz->sender.srstate, samples, count, up);
jitter_save(&anetz->sender.dejitter, up, count);
}
if (anetz->dsp_mode == DSP_MODE_AUDIO)
jitter_save(&anetz->sender.dejitter, samples, count, 1, sequence, timestamp, ssrc);
}
void call_down_clock(void) {}