ac3enc: add float_to_fixed24() with x86-optimized versions to AC3DSPContext

and use in scale_coefficients() for the floating-point AC-3 encoder.

1 files changed, 2 insertions, 3 deletions

diff --git a/libavcodec/ac3enc_float.c b/libavcodec/ac3enc_float.c
index 8668b2e033..4b13e4c723 100644
--- a/libavcodec/ac3enc_float.c
+++ b/libavcodec/ac3enc_float.c
@@ -103,9 +103,8 @@ static int normalize_samples(AC3EncodeContext *s)
  */
 static void scale_coefficients(AC3EncodeContext *s)
 {
-    int i;
-    for (i = 0; i < AC3_MAX_COEFS * AC3_MAX_BLOCKS * s->channels; i++)
-        s->fixed_coef_buffer[i] = SCALE_FLOAT(s->mdct_coef_buffer[i], 24);
+    s->ac3dsp.float_to_fixed24(s->fixed_coef_buffer, s->mdct_coef_buffer,
+                               AC3_MAX_COEFS * AC3_MAX_BLOCKS * s->channels);
 }