diff options
| -rw-r--r-- | libcelt/celt.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/libcelt/celt.c b/libcelt/celt.c index 6331553..d6c2b4d 100644 --- a/libcelt/celt.c +++ b/libcelt/celt.c @@ -1425,17 +1425,23 @@ int celt_encode_with_ec_float(CELTEncoder * restrict st, const celt_sig * pcm, i nbAvailableBytes = IMAX(min_allowed,nbAvailableBytes); nbAvailableBytes = IMIN(nbCompressedBytes,nbAvailableBytes+nbFilledBytes) - nbFilledBytes; + /* By how much did we "miss" the target on that frame */ + delta = target - vbr_rate; + + target=nbAvailableBytes<<(BITRES+3); + + /*If the frame is silent we don't adjust our drift, otherwise + the encoder will shoot to very high rates after hitting a + span of silence, but we do allow the bitres to refill. + This means that we'll undershoot our target in CVBR/VBR modes + on files with lots of silence. */ if(silence) { nbAvailableBytes = 2; target = 2*8<<BITRES; + delta = 0; } - /* By how much did we "miss" the target on that frame */ - delta = target - vbr_rate; - - target=nbAvailableBytes<<(BITRES+3); - if (st->vbr_count < 970) { st->vbr_count++; |