diff options
Diffstat (limited to 'libavcodec/celp_filters.c')
| -rw-r--r-- | libavcodec/celp_filters.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/celp_filters.c b/libavcodec/celp_filters.c index fafedd99a3..40ff7427df 100644 --- a/libavcodec/celp_filters.c +++ b/libavcodec/celp_filters.c @@ -65,11 +65,11 @@ int ff_celp_lp_synthesis_filter(int16_t *out, const int16_t *filter_coeffs, int i,n; for (n = 0; n < buffer_length; n++) { - int sum = -rounder, sum1; + int sum = rounder, sum1; for (i = 1; i <= filter_length; i++) - sum += (unsigned)(filter_coeffs[i-1] * out[n-i]); + sum -= (unsigned)(filter_coeffs[i-1] * out[n-i]); - sum1 = ((-sum >> 12) + in[n]) >> shift; + sum1 = ((sum >> 12) + in[n]) >> shift; sum = av_clip_int16(sum1); if (stop_on_overflow && sum != sum1) |