diff options
| -rw-r--r-- | libavcodec/ac3dec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c index 90ffd74ba5..baff415900 100644 --- a/libavcodec/ac3dec.c +++ b/libavcodec/ac3dec.c @@ -718,6 +718,10 @@ static void ac3_upmix_delay(AC3DecodeContext *s) /** * Decode band structure for coupling, spectral extension, or enhanced coupling. + * The band structure defines how many subbands are in each band. For each + * subband in the range, 1 means it is combined with the previous band, and 0 + * means that it starts a new band. + * * @param[in] gbc bit reader context * @param[in] blk block number * @param[in] eac3 flag to indicate E-AC-3 |