From fe3eae16902ebce9530f058dfeb9f1db49b2fa3e Mon Sep 17 00:00:00 2001 From: Siarhei Siamashka Date: Mon, 16 Mar 2009 02:27:26 +0200 Subject: sbc: ensure 16-byte buffer position alignment for 4 subbands encoding Buffer position in X array was not always 16-bytes aligned. Strict 16-byte alignment is strictly required for powerpc altivec simd optimizations because altivec does not have support for unaligned vector loads at all. --- sbc/sbc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'sbc/sbc.c') diff --git a/sbc/sbc.c b/sbc/sbc.c index 1510adcb..b251d508 100644 --- a/sbc/sbc.c +++ b/sbc/sbc.c @@ -924,7 +924,7 @@ static void sbc_encoder_init(struct sbc_encoder_state *state, const struct sbc_frame *frame) { memset(&state->X, 0, sizeof(state->X)); - state->position = SBC_X_BUFFER_SIZE - frame->subbands * 9; + state->position = (SBC_X_BUFFER_SIZE - frame->subbands * 9) & ~7; sbc_init_primitives(state); } -- cgit