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| author | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2016-06-03 01:15:00 +0300 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2016-07-16 02:35:50 +0300 |
| commit | 75e66d6ae04330e2a5627569e53b824e78f96ab9 (patch) | |
| tree | 635438c8c6f7ec8eb8a8f781f6f1c32444921311 | |
| parent | 12947c96695e0b4333e954dafd9d386f1f094bb8 (diff) | |
Re-tuning compute_equiv_rate()
| -rw-r--r-- | src/opus_encoder.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/opus_encoder.c b/src/opus_encoder.c index 130496bf..7b098d40 100644 --- a/src/opus_encoder.c +++ b/src/opus_encoder.c @@ -997,14 +997,14 @@ static opus_int32 compute_equiv_rate(opus_int32 bitrate, int channels, equiv -= (40*channels+20)*(frame_rate - 50); /* CBR is about a 10% penalty for both SILK and CELT. */ if (!vbr) - equiv = equiv*9/10; - /* Complexity makes about 10% difference (from 0 to 10) in general. */ + equiv -= equiv/12; + /* Complexity makes about 8% difference (from 0 to 10) in general. */ equiv = equiv * (90+complexity)/100; if (mode == MODE_SILK_ONLY || mode == MODE_HYBRID) { - /* SILK complexity 0-3 uses the non-delayed-decision NSQ, which + /* SILK complexity 0-1 uses the non-delayed-decision NSQ, which costs about 20%. */ - if (complexity<4) + if (complexity<2) equiv = equiv*4/5; } else if (mode == MODE_CELT_ONLY) { /* CELT complexity 0-4 doesn't have the pitch filter, which costs |