diff options
Diffstat (limited to 'libavcodec/apedec.c')
| -rw-r--r-- | libavcodec/apedec.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index b8d1e9e..c27d086 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -648,22 +648,16 @@ static void init_filter(APEContext * ctx, APEFilter *f, int16_t * buf, int order do_init_filter(&f[1], buf + order * 3 + HISTORY_SIZE, order); } -static inline void do_apply_filter(APEContext * ctx, int version, APEFilter *f, int32_t *data, int count, int order, int fracbits) +static void do_apply_filter(APEContext * ctx, int version, APEFilter *f, int32_t *data, int count, int order, int fracbits) { int res; int absres; while (count--) { /* round fixedpoint scalar product */ - res = (ctx->dsp.scalarproduct_int16(f->delay - order, f->coeffs, order, 0) + (1 << (fracbits - 1))) >> fracbits; - - if (*data < 0) - ctx->dsp.add_int16(f->coeffs, f->adaptcoeffs - order, order); - else if (*data > 0) - ctx->dsp.sub_int16(f->coeffs, f->adaptcoeffs - order, order); - + res = ctx->dsp.scalarproduct_and_madd_int16(f->coeffs, f->delay - order, f->adaptcoeffs - order, order, APESIGN(*data)); + res = (res + (1 << (fracbits - 1))) >> fracbits; res += *data; - *data++ = res; /* Update the output history */ |
