[FFmpeg-devel] [PATCH 5/5] DCA: use SDIVMOD
Kostya
kostya.shishkov
Mon Apr 12 05:35:12 CEST 2010
On Sun, Apr 11, 2010 at 11:05:54PM +0100, Mans Rullgard wrote:
> ---
> libavcodec/dca.c | 8 ++++----
> 1 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/libavcodec/dca.c b/libavcodec/dca.c
> index 7a6841d..6f944f2 100644
> --- a/libavcodec/dca.c
> +++ b/libavcodec/dca.c
> @@ -34,6 +34,7 @@
> #include "avcodec.h"
> #include "dsputil.h"
> #include "fft.h"
> +#include "mathops.h"
> #include "get_bits.h"
> #include "put_bits.h"
> #include "dcadata.h"
> @@ -889,17 +890,16 @@ static void dca_downmix(float *samples, int srcfmt,
> }
> }
>
> -
cosmetics
> /* Very compact version of the block code decoder that does not use table
> * look-up but is slightly slower */
> static int decode_blockcode(int code, int levels, int *values)
> {
> - int i;
> + int i, mod;
> int offset = (levels - 1) >> 1;
>
> for (i = 0; i < 4; i++) {
> - values[i] = (code % levels) - offset;
> - code /= levels;
> + SDIVMOD(code, mod, code, levels);
> + values[i] = mod - offset;
> }
>
> if (code == 0)
ok when SDIVMOD is approved
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