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Prevents the SILK encoder from failing below 600 kb/s stereo.

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Not that it actually reaches the target, but it should no longer cause
a range coder mismatch
This commit is contained in:
Jean-Marc Valin 2011-09-07 01:37:58 -04:00
parent 5f089d224d
commit d76bc917e5
1 changed files with 2 additions and 0 deletions
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2
silk/silk_stereo_LR_to_MS.c
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@ -96,6 +96,8 @@ void silk_stereo_LR_to_MS(
/* Determine bitrate distribution between mid and side, and possibly reduce stereo width */
total_rate_bps -= is10msFrame ? 1200 : 600; /* Subtract approximate bitrate for coding stereo parameters */
if (total_rate_bps < 1)
total_rate_bps = 1;
min_mid_rate_bps = SKP_SMLABB( 2000, fs_kHz, 900 );
SKP_assert( min_mid_rate_bps < 32767 );
/* Default bitrate distribution: 8 parts for Mid and (5+3*frac) parts for Side. so: mid_rate = ( 8 / ( 13 + 3 * frac ) ) * total_ rate */