virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

swscale/ppc/swscale_altivec: Fix build with -O0

Browse Source 
In this case GCC does not treat a const variable initialized
to the compile-time constant "3" as a compile-time constant
and errors out because the argument is not a literal value.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-03-28 05:54:43 +01:00
parent 347a70f101
commit 72f4f1dafb
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
libswscale/ppc/swscale_altivec.c
View File

@ -107,6 +107,8 @@
#endif /* HAVE_BIGENDIAN */
#define SHIFT 3
#define output_pixel(pos, val, bias, signedness) \
if (big_endian) { \
AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
@ -149,12 +151,11 @@ yuv2plane1_float_bswap_u(const int32_t *src, uint32_t *dest, int dstW, int start
static void yuv2plane1_float_altivec(const int32_t *src, float *dest, int dstW)
{
const int dst_u = -(uintptr_t)dest & 3;
const int shift = 3;
const int add = (1 << (shift - 1));
const int add = (1 << (SHIFT - 1));
const int clip = (1 << 16) - 1;
const float fmult = 1.0f / 65535.0f;
const vec_u32 vadd = (vec_u32) {add, add, add, add};
const vec_u32 vshift = (vec_u32) vec_splat_u32(shift);
const vec_u32 vshift = (vec_u32) vec_splat_u32(SHIFT);
const vec_u32 vlargest = (vec_u32) {clip, clip, clip, clip};
const vec_f vmul = (vec_f) {fmult, fmult, fmult, fmult};
const vec_f vzero = (vec_f) {0, 0, 0, 0};
@ -182,12 +183,11 @@ static void yuv2plane1_float_altivec(const int32_t *src, float *dest, int dstW)
static void yuv2plane1_float_bswap_altivec(const int32_t *src, uint32_t *dest, int dstW)
{
const int dst_u = -(uintptr_t)dest & 3;
const int shift = 3;
const int add = (1 << (shift - 1));
const int add = (1 << (SHIFT - 1));
const int clip = (1 << 16) - 1;
const float fmult = 1.0f / 65535.0f;
const vec_u32 vadd = (vec_u32) {add, add, add, add};
const vec_u32 vshift = (vec_u32) vec_splat_u32(shift);
const vec_u32 vshift = (vec_u32) vec_splat_u32(SHIFT);
const vec_u32 vlargest = (vec_u32) {clip, clip, clip, clip};
const vec_f vmul = (vec_f) {fmult, fmult, fmult, fmult};
const vec_f vzero = (vec_f) {0, 0, 0, 0};