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authorMichael Niedermayer <michaelni@gmx.at>2013-01-23 14:31:55 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-01-23 14:31:55 +0100
commit8102f27b5b3dff54f8099019c2df4701ac5e5d4f (patch)
treef623e5063c24e6c4afc50338dfeecf7054c673a2 /libavutil/float_dsp.h
parent24604ebaf85b5436d10da811f455dd710b353aca (diff)
parent73b704ac609d83e0be124589f24efd9b94947cf9 (diff)
downloadffmpeg-8102f27b5b3dff54f8099019c2df4701ac5e5d4f.tar.gz
Merge commit '73b704ac609d83e0be124589f24efd9b94947cf9'
* commit '73b704ac609d83e0be124589f24efd9b94947cf9': arm: Add some missing header #includes floatdsp: move scalarproduct_float from dsputil to avfloatdsp. Conflicts: libavcodec/acelp_pitch_delay.c libavcodec/amrnbdec.c libavcodec/amrwbdec.c libavcodec/ra288.c libavcodec/x86/dsputil_mmx.c libavutil/x86/float_dsp.asm Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/float_dsp.h')
-rw-r--r--libavutil/float_dsp.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/libavutil/float_dsp.h b/libavutil/float_dsp.h
index ff83beddbe..6cc7e76c11 100644
--- a/libavutil/float_dsp.h
+++ b/libavutil/float_dsp.h
@@ -146,9 +146,31 @@ typedef struct AVFloatDSPContext {
* @param len length of vectors, multiple of 4
*/
void (*butterflies_float)(float *restrict v1, float *restrict v2, int len);
+
+ /**
+ * Calculate the scalar product of two vectors of floats.
+ *
+ * @param v1 first vector, 16-byte aligned
+ * @param v2 second vector, 16-byte aligned
+ * @param len length of vectors, multiple of 4
+ *
+ * @return sum of elementwise products
+ */
+ float (*scalarproduct_float)(const float *v1, const float *v2, int len);
} AVFloatDSPContext;
/**
+ * Return the scalar product of two vectors.
+ *
+ * @param v1 first input vector
+ * @param v2 first input vector
+ * @param len number of elements
+ *
+ * @return sum of elementwise products
+ */
+float avpriv_scalarproduct_float_c(const float *v1, const float *v2, int len);
+
+/**
* Initialize a float DSP context.
*
* @param fdsp float DSP context