1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index e4a1e754db..3a7eec902f 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -824,6 +824,9 @@ static int decode_audio_block(AC3DecodeContext *s, int blk)
                     s->cpl_band_struct[bnd] = get_bits1(gbc);
                 }
             } else if (!blk) {
+                memcpy(s->cpl_band_struct,
+                       &ff_eac3_default_cpl_band_struct[cpl_begin_freq+1],
+                       s->num_cpl_subbands-1);
             }
             s->cpl_band_struct[s->num_cpl_subbands-1] = 0;