diff options
author | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2012-12-02 07:00:53 +0400 |
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committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2012-12-02 07:01:09 +0400 |
commit | 027a202151ecddadfea7c772060fa1cd4fd3fbff (patch) | |
tree | eeb14c08d7b69f1296fc1948f62536c07aaf8ec2 /celt | |
parent | cacb5661b36ed8d7497a32e611fa43df916e3426 (diff) |
More comments in the PLC
Diffstat (limited to 'celt')
-rw-r--r-- | celt/celt_decoder.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/celt/celt_decoder.c b/celt/celt_decoder.c index 78d5f214..79e4df71 100644 --- a/celt/celt_decoder.c +++ b/celt/celt_decoder.c @@ -507,11 +507,14 @@ static void celt_decode_lost(CELTDecoder * OPUS_RESTRICT st, opus_val16 * OPUS_R attenuation = MULT16_16_Q15(attenuation, decay); } e[i] = SHL32(EXTEND32(MULT16_16_Q15(attenuation, exc[offset+i])), SIG_SHIFT); + /* Compute the energy of the previously decoded signal whose + excitation we're copying */ tmp = ROUND16(out_mem[c][-N+offset+i],SIG_SHIFT); S1 += SHR32(MULT16_16(tmp,tmp),8); } - /* Last samples correctly decoded so we can have a continuous signal */ + /* Copy the last decoded samples (prior to the overlap region) to + synthesis filter memory so we can have a continuous signal. */ for (i=0;i<LPC_ORDER;i++) mem[i] = ROUND16(out_mem[c][MAX_PERIOD-N-1-i], SIG_SHIFT); /* Apply the fading if not the first loss */ |