Merge commit 'c9ca220ef26e36abd22085e6fa156c0dbc43bbf0'

* commit 'c9ca220ef26e36abd22085e6fa156c0dbc43bbf0': ac3dec: make drc_scale exponentially Merged-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 785066ae8a
parent 7a901eb33a c9ca220ef2
commit 785066ae8a
1 changed files with 2 additions and 2 deletions
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@ -760,8 +760,8 @@ static int decode_audio_block(AC3DecodeContext *s, int blk)
    i = !s->channel_mode;
    do {
        if (get_bits1(gbc)) {
-            s->dynamic_range[i] = ((dynamic_range_tab[get_bits(gbc, 8)] - 1.0) *
-                                  s->drc_scale) + 1.0;
+            s->dynamic_range[i] = powf(dynamic_range_tab[get_bits(gbc, 8)],
+                                       s->drc_scale);
        } else if (blk == 0) {
            s->dynamic_range[i] = 1.0f;
        }