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sws: remove nonsensical code that leaked in from libav

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-10-23 14:01:32 +02:00
parent 1c26f2da81
commit b1a4b735f9
1 changed files with 5 additions and 3 deletions
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8
libswscale/swscale.c
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@ -302,7 +302,8 @@ yuv2plane1_16_c_template(const int32_t *src, uint16_t *dest, int dstW,
int big_endian, int output_bits)
{
int i;
int shift = 19 - output_bits;
int shift = 3;
av_assert0(output_bits == 16);
for (i = 0; i < dstW; i++) {
int val = src[i] + (1 << (shift - 1));
@ -316,10 +317,11 @@ yuv2planeX_16_c_template(const int16_t *filter, int filterSize,
int big_endian, int output_bits)
{
int i;
int shift = 15 + 16 - output_bits;
int shift = 15;
av_assert0(output_bits == 16);
for (i = 0; i < dstW; i++) {
int val = 1 << (30-output_bits);
int val = 1 << (shift - 1);
int j;
/* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline