aacdec_usac: fix typo in fac_length

The spec says: fac_length = (window_sequence==EIGHT_SHORT_SEQUENCE) ? ccfl/16 : ccfl/8; The length used was flipped for short vs long.
9 months ago · 18757b26bd
parent d8ffd65bfd
commit 18757b26bd
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/aac/aacdec_usac.c
+++ b/libavcodec/aac/aacdec_usac.c
@ -1338,7 +1338,7 @@ static int decode_usac_core_coder(AACDecContext *ac, AACUSACConfig *usac,
        if (get_bits1(gb)) { /* fac_data_present */
            const uint16_t len_8 = usac->core_frame_len / 8;
            const uint16_t len_16 = usac->core_frame_len / 16;
-            const uint16_t fac_len = ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE ? len_8 : len_16;
+            const uint16_t fac_len = ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE ? len_16 : len_8;
            ret = ff_aac_parse_fac_data(ue, gb, 1, fac_len);
            if (ret < 0)
                return ret;