opus: Update to upstream libopus 1.1.3

1 files changed, 7 insertions, 1 deletions

diff --git a/thirdparty/opus/opus.c b/thirdparty/opus/opus.c
index e9ce93b308..f76f125cfa 100644
--- a/thirdparty/opus/opus.c
+++ b/thirdparty/opus/opus.c
@@ -104,6 +104,10 @@ OPUS_EXPORT void opus_pcm_soft_clip(float *_x, int N, int C, float *declip_mem)
 
          /* Compute a such that maxval + a*maxval^2 = 1 */
          a=(maxval-1)/(maxval*maxval);
+         /* Slightly boost "a" by 2^-22. This is just enough to ensure -ffast-math
+            does not cause output values larger than +/-1, but small enough not
+            to matter even for 24-bit output.  */
+         a += a*2.4e-7;
          if (x[i*C]>0)
             a = -a;
          /* Apply soft clipping */
@@ -201,8 +205,10 @@ int opus_packet_parse_impl(const unsigned char *data, opus_int32 len,
    opus_int32 pad = 0;
    const unsigned char *data0 = data;
 
-   if (size==NULL)
+   if (size==NULL || len<0)
       return OPUS_BAD_ARG;
+   if (len==0)
+      return OPUS_INVALID_PACKET;
 
    framesize = opus_packet_get_samples_per_frame(data, 48000);