From f1db6b9d75574ba292c75fdfee3eeda19745f73e Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jmvalin@amazon.com>
Date: Fri, 20 Jan 2023 15:53:26 -0500
Subject: [PATCH] Only decode the DRED frames we need
---
src/opus_demo.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/opus_demo.c b/src/opus_demo.c
index af5e30f31..54249b5f9 100644
--- a/src/opus_demo.c
+++ b/src/opus_demo.c
@@ -796,7 +796,12 @@ int main(int argc, char *argv[])
if (run_decoder)
run_decoder += lost_count;
if (!lost && lost_count > 0) {
- opus_decoder_dred_input(dec, data, len, 100);
+ opus_int32 output_samples=0;
+ int dred_input;
+ opus_decoder_ctl(dec, OPUS_GET_LAST_PACKET_DURATION(&output_samples));
+ dred_input = lost_count*output_samples*100/sampling_rate;
+ /* Only decode the amount we need to fill in the gap. */
+ opus_decoder_dred_input(dec, data, len, IMIN(100, IMAX(0, dred_input)));
}
/* FIXME: Figure out how to trigger the decoder when the last packet of the file is lost. */
for (fr=0;fr<run_decoder;fr++) {
--
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