[PATCH 1/2] sbc: fix frame length calculation for DUAL_CHANNEL mode

["Aurélien Zanelli" <aurelien.zanelli@parrot.com>]

According to A2DP specification, section 12.9, for DUAL_CHANNEL mode, we
shall use the same formula as for MONO mode.
---
 sbc/sbc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sbc/sbc.c b/sbc/sbc.c
index 534027e..e830388 100644
--- a/sbc/sbc.c
+++ b/sbc/sbc.c
@@ -1402,7 +1402,7 @@ SBC_EXPORT size_t sbc_get_frame_length(sbc_t *sbc)
 
 	ret = 4 + (4 * subbands * channels) / 8;
 	/* This term is not always evenly divide so we round it up */
-	if (channels == 1)
+	if (channels == 1 || sbc->mode == SBC_MODE_DUAL_CHANNEL)
 		ret += ((blocks * channels * bitpool) + 7) / 8;
 	else
 		ret += (((joint ? subbands : 0) + blocks * bitpool) + 7) / 8;
-- 
1.7.10.4