ac3enc: scale floating-point coupling channel coefficients in

scale_coefficients() rather than in apply_channel_coupling()

1 files changed, 4 insertions, 3 deletions

diff --git a/libavcodec/ac3enc_float.c b/libavcodec/ac3enc_float.c
index 8e74aaf285..32ec558e70 100644
--- a/libavcodec/ac3enc_float.c
+++ b/libavcodec/ac3enc_float.c
@@ -104,9 +104,10 @@ static int normalize_samples(AC3EncodeContext *s)
 static void scale_coefficients(AC3EncodeContext *s)
 {
     int chan_size = AC3_MAX_COEFS * s->num_blocks;
-    s->ac3dsp.float_to_fixed24(s->fixed_coef_buffer + chan_size,
-                               s->mdct_coef_buffer  + chan_size,
-                               chan_size * s->channels);
+    int cpl       = s->cpl_on;
+    s->ac3dsp.float_to_fixed24(s->fixed_coef_buffer + (chan_size * !cpl),
+                               s->mdct_coef_buffer  + (chan_size * !cpl),
+                               chan_size * (s->channels + cpl));
 }