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avcodec/pngenc: replace round by lrint()

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Avoids passing double to AV_WB32()

Suggested-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-02 14:54:31 +01:00
parent 9b1755bce7
commit 7c9e7bd425
1 changed files with 2 additions and 1 deletions
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libavcodec/pngenc.c
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@ -26,6 +26,7 @@
#include "png.h"
#include "libavutil/avassert.h"
#include "libavutil/libm.h"
#include "libavutil/opt.h"
#include <zlib.h>
@ -231,7 +232,7 @@ static int png_write_row(PNGEncContext *s, const uint8_t *data, int size)
return 0;
}
#define AV_WB32_PNG(buf, n) (AV_WB32(buf, round((n) * 100000)))
#define AV_WB32_PNG(buf, n) (AV_WB32(buf, lrint((n) * 100000)))
static int png_get_chrm(enum AVColorPrimaries prim, uint8_t *buf)
{
double rx, ry, gx, gy, bx, by, wx = 0.3127, wy = 0.3290;