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swscale/swscale: silence unused function warning 

gamma_convert is only used with the old code. Thus, it is
placed under a header guard. This patch silences a -Wunused-function
observed on GCC 5.2.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-09-16 17:20:22 -04:00 committed by Timothy Gu
parent 9aaa54135c
commit 80d23d9d32
1 changed files with 2 additions and 0 deletions
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2
libswscale/swscale.c
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@ -52,6 +52,7 @@ DECLARE_ALIGNED(8, static const uint8_t, sws_pb_64)[8] = {
64, 64, 64, 64, 64, 64, 64, 64
};
#ifndef NEW_FILTER
static void gamma_convert(uint8_t * src[], int width, uint16_t *gamma)
{
int i;
@ -67,6 +68,7 @@ static void gamma_convert(uint8_t * src[], int width, uint16_t *gamma)
AV_WL16(src1 + i*4 + 2, gamma[b]);
}
}
#endif
static av_always_inline void fillPlane(uint8_t *plane, int stride, int width,
int height, int y, uint8_t val)