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| author | Siarhei Siamashka <siarhei.siamashka@nokia.com> | 2009-03-16 02:27:26 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2012-07-29 19:48:28 -0700 |
| commit | 79cbcdea9af992e8b24bd711026a83bb23ff800a (patch) | |
| tree | cb81b9afd4c1eedd66e7ce08cea825345614e71a /sbc/sbc_primitives.c | |
| parent | 015f9540154b028c7dec47ac9511377d5f3f509c (diff) | |
| download | sbc-79cbcdea9af992e8b24bd711026a83bb23ff800a.tar.gz | |
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.
Diffstat (limited to 'sbc/sbc_primitives.c')
| -rw-r--r-- | sbc/sbc_primitives.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sbc/sbc_primitives.c b/sbc/sbc_primitives.c index 6b0be3f..2105280 100644 --- a/sbc/sbc_primitives.c +++ b/sbc/sbc_primitives.c @@ -231,12 +231,12 @@ static SBC_ALWAYS_INLINE int sbc_encoder_process_input_s4_internal( /* handle X buffer wraparound */ if (position < nsamples) { if (nchannels > 0) - memcpy(&X[0][SBC_X_BUFFER_SIZE - 36], &X[0][position], + memcpy(&X[0][SBC_X_BUFFER_SIZE - 40], &X[0][position], 36 * sizeof(int16_t)); if (nchannels > 1) - memcpy(&X[1][SBC_X_BUFFER_SIZE - 36], &X[1][position], + memcpy(&X[1][SBC_X_BUFFER_SIZE - 40], &X[1][position], 36 * sizeof(int16_t)); - position = SBC_X_BUFFER_SIZE - 36; + position = SBC_X_BUFFER_SIZE - 40; } #define PCM(i) (big_endian ? \ |