shithub: opus

Download patch

ref: f1db6b9d75574ba292c75fdfee3eeda19745f73e
parent: 094eaf8bf887284e1ee05617f3effc2c17918ce9
author: Jean-Marc Valin <jmvalin@amazon.com>
date: Fri Jan 20 10:53:26 EST 2023 

Only decode the DRED frames we need


--- a/src/opus_demo.c
+++ b/src/opus_demo.c
@@ -796,7 +796,12 @@
             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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