Skip to content

F
ffmpeg.wasm-core
Commit b1a4b735 authored by Michael Niedermayer's avatar Michael Niedermayer
Browse files
Options

sws: remove nonsensical code that leaked in from libav 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 1c26f2da
Hide whitespace changes
Inline Side-by-side
Showing with 5 additions and 3 deletions
libswscale/swscale.c
View file @ b1a4b735
...@@ -302,7 +302,8 @@ yuv2plane1_16_c_template(const int32_t *src, uint16_t *dest, int dstW, ...@@ -302,7 +302,8 @@ yuv2plane1_16_c_template(const int32_t *src, uint16_t *dest, int dstW,
int big_endian, int output_bits) int big_endian, int output_bits)
{ {
int i; int i;
int shift = 19 - output_bits; int shift = 3;
av_assert0(output_bits == 16);
for (i = 0; i < dstW; i++) { for (i = 0; i < dstW; i++) {
int val = src[i] + (1 << (shift - 1)); int val = src[i] + (1 << (shift - 1));
...@@ -316,10 +317,11 @@ yuv2planeX_16_c_template(const int16_t *filter, int filterSize, ...@@ -316,10 +317,11 @@ yuv2planeX_16_c_template(const int16_t *filter, int filterSize,
int big_endian, int output_bits) int big_endian, int output_bits)
{ {
int i; int i;
int shift = 15 + 16 - output_bits; int shift = 15;
av_assert0(output_bits == 16);
for (i = 0; i < dstW; i++) { for (i = 0; i < dstW; i++) {
int val = 1 << (30-output_bits); int val = 1 << (shift - 1);
int j; int j;
/* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline /* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment