commit 8d02afe05b80097f5a09361bb75e2950cb3ea6e2
author Jean-Marc Valin <jmvalin@jmvalin.ca> Tue May 23 07:32:18 2017
committer Jean-Marc Valin <jmvalin@jmvalin.ca> Tue May 23 19:48:03 2017
tree ae2ce083c0eb37bd14fc51f93896538e9d346a55
parent 901c24328de6e07ebea8aa341433085cc39c59f9

Fixes a surround bug on loud signal

The constant was copied from the analysis code which uses +/-1 as float
scaling, but surround_analysis() uses +/-32767.

src/opus_multistream_encoder.c

diff --git a/src/opus_multistream_encoder.c b/src/opus_multistream_encoder.c
index e722e31..1698223 100644
--- a/src/opus_multistream_encoder.c
+++ b/src/opus_multistream_encoder.c
@@ -277,7 +277,7 @@
          sum = celt_inner_prod(in, in, frame_size+overlap, 0);
          /* This should filter out both NaNs and ridiculous signals that could
             cause NaNs further down. */
-         if (!(sum < 1e9f) || celt_isnan(sum))
+         if (!(sum < 1e18f) || celt_isnan(sum))
          {
             OPUS_CLEAR(in, frame_size+overlap);
             preemph_mem[c] = 0;