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sharpyuv: add support for 10/12/16 bit rgb and 10/12 bit yuv.

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10bit+ input is truncated to 10bits for now.

Change-Id: I7ac00ca54c623d94c76ccd8954418e11095997d2
This commit is contained in:
Maryla
2022-05-17 15:02:31 +02:00
parent d3006f4b96
commit 93c5437115
9 changed files with 348 additions and 190 deletions
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25
sharpyuv/sharpyuv_dsp.c
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@ -21,19 +21,19 @@
//-----------------------------------------------------------------------------
#if !WEBP_NEON_OMIT_C_CODE
#define MAX_Y ((1 << 10) - 1) // 10b precision over 16b-arithmetic
static uint16_t clip_y(int v) {
return (v < 0) ? 0 : (v > MAX_Y) ? MAX_Y : (uint16_t)v;
static uint16_t clip(int v, int max) {
return (v < 0) ? 0 : (v > max) ? max : (uint16_t)v;
}
static uint64_t SharpYuvUpdateY_C(const uint16_t* ref, const uint16_t* src,
uint16_t* dst, int len) {
uint16_t* dst, int len, int bit_depth) {
uint64_t diff = 0;
int i;
const int max_y = (1 << bit_depth) - 1;
for (i = 0; i < len; ++i) {
const int diff_y = ref[i] - src[i];
const int new_y = (int)dst[i] + diff_y;
dst[i] = clip_y(new_y);
dst[i] = clip(new_y, max_y);
diff += (uint64_t)abs(diff_y);
}
return diff;
@ -49,27 +49,28 @@ static void SharpYuvUpdateRGB_C(const int16_t* ref, const int16_t* src,
}
static void SharpYuvFilterRow_C(const int16_t* A, const int16_t* B, int len,
const uint16_t* best_y, uint16_t* out) {
const uint16_t* best_y, uint16_t* out,
int bit_depth) {
int i;
const int max_y = (1 << bit_depth) - 1;
for (i = 0; i < len; ++i, ++A, ++B) {
const int v0 = (A[0] * 9 + A[1] * 3 + B[0] * 3 + B[1] + 8) >> 4;
const int v1 = (A[1] * 9 + A[0] * 3 + B[1] * 3 + B[0] + 8) >> 4;
out[2 * i + 0] = clip_y(best_y[2 * i + 0] + v0);
out[2 * i + 1] = clip_y(best_y[2 * i + 1] + v1);
out[2 * i + 0] = clip(best_y[2 * i + 0] + v0, max_y);
out[2 * i + 1] = clip(best_y[2 * i + 1] + v1, max_y);
}
}
#endif // !WEBP_NEON_OMIT_C_CODE
#undef MAX_Y
//-----------------------------------------------------------------------------
uint64_t (*SharpYuvUpdateY)(const uint16_t* src, const uint16_t* ref,
uint16_t* dst, int len);
uint16_t* dst, int len, int bit_depth);
void (*SharpYuvUpdateRGB)(const int16_t* src, const int16_t* ref, int16_t* dst,
int len);
void (*SharpYuvFilterRow)(const int16_t* A, const int16_t* B, int len,
const uint16_t* best_y, uint16_t* out);
const uint16_t* best_y, uint16_t* out,
int bit_depth);
extern void InitSharpYuvSSE2(void);
extern void InitSharpYuvNEON(void);