diff options
author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-06-02 22:00:50 +0400 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2011-07-01 21:02:11 +0400 |
commit | 6054cd25b4d7dce97c4fa3cc6e4757ba1e59ab86 (patch) | |
tree | bb0f244fb2f37fcffede571532684b89ca43b590 /libavcodec/dsputil.c | |
parent | 8a8d0ce208b77f506759185ff580fa61b5c41f70 (diff) |
ac3enc: add int32_t array clipping function to DSPUtil, including x86 versions.
Diffstat (limited to 'libavcodec/dsputil.c')
-rw-r--r-- | libavcodec/dsputil.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index 4389289d82..4f17b435d1 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -2676,6 +2676,22 @@ static void apply_window_int16_c(int16_t *output, const int16_t *input, } } +static void vector_clip_int32_c(int32_t *dst, const int32_t *src, int32_t min, + int32_t max, unsigned int len) +{ + do { + *dst++ = av_clip(*src++, min, max); + *dst++ = av_clip(*src++, min, max); + *dst++ = av_clip(*src++, min, max); + *dst++ = av_clip(*src++, min, max); + *dst++ = av_clip(*src++, min, max); + *dst++ = av_clip(*src++, min, max); + *dst++ = av_clip(*src++, min, max); + *dst++ = av_clip(*src++, min, max); + len -= 8; + } while (len > 0); +} + #define W0 2048 #define W1 2841 /* 2048*sqrt (2)*cos (1*pi/16) */ #define W2 2676 /* 2048*sqrt (2)*cos (2*pi/16) */ @@ -3122,6 +3138,7 @@ av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx) c->scalarproduct_int16 = scalarproduct_int16_c; c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c; c->apply_window_int16 = apply_window_int16_c; + c->vector_clip_int32 = vector_clip_int32_c; c->scalarproduct_float = scalarproduct_float_c; c->butterflies_float = butterflies_float_c; c->vector_fmul_scalar = vector_fmul_scalar_c; |