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hpeldsp: add half-pel functions (currently copies of dsputil).

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Ronald S. Bultje
2013-03-09 15:14:35 -08:00
committed by Michael Niedermayer
parent 1f27053b91
commit 9628e5a4ac
7 changed files with 434 additions and 6 deletions
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7
libavcodec/dsputil.h
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@@ -32,6 +32,7 @@
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "rnd_avg.h"
//#define DEBUG
@@ -103,12 +104,6 @@ DEF_OLD_QPEL(qpel8_mc32_old_c)
DEF_OLD_QPEL(qpel8_mc13_old_c)
DEF_OLD_QPEL(qpel8_mc33_old_c)
#define CALL_2X_PIXELS(a, b, n)\
static void a(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
b(block , pixels , line_size, h);\
b(block+n, pixels+n, line_size, h);\
}
/* motion estimation */
// h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller than 2
// although currently h<4 is not used as functions with width <8 are neither used nor implemented