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fixed vc_copylineV210toY216 conversion

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This commit is contained in:
Martin Pulec
2023-01-02 15:08:27 +01:00
parent 93e8d77a34
commit fa8f3c64be
2 changed files with 31 additions and 7 deletions
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2
src/types.h
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@@ -95,7 +95,7 @@ typedef enum {
RG48, ///< 16-bit RGB little-endian (RlRhGl...)
AV1, ///< AOMedia Video 1
I420, ///< planar YCbCr 4:2:0
Y216, ///< YCbCr 422 16-bit - Y0 Cb Y1 Cr
Y216, ///< YCbCr 422 16-bit little-endian - Y0 Cb Y1 Cr
Y416, ///< interleaved little-endian YCbCr 4444 16-bit - UYVA
PRORES, ///< abstract Apple ProRes, must not be used in transmit
PRORES_4444, ///< Apple ProRes 4444

36
src/video_codec.c
View File

@@ -2763,13 +2763,37 @@ static void vc_copylineV210toY216(unsigned char * __restrict dst, const unsigned
UNUSED(bshift);
assert((uintptr_t) dst % 2 == 0);
assert((uintptr_t) src % 4 == 0);
OPTIMIZED_FOR (int x = 0; x < dst_len / 6; ++x) {
const uint32_t *s = (const void *) (src + x * 4);
uint16_t *d = (void *) (dst + x * 6);
OPTIMIZED_FOR (int x = 0; x < dst_len / 24; ++x) {
const uint32_t *s = (const void *) (src + x * 16);
uint16_t *d = (void *) (dst + x * 24);
uint32_t tmp = *s++;
*d++ = (tmp & 0x3FFU) << 6U;
*d++ = ((tmp >> 10U) & 0x3FFU) << 6U;
*d++ = ((tmp >> 20U) & 0x3FFU) << 6U;
unsigned u = (tmp & 0x3FFU) << 6U;
unsigned y0 = ((tmp >> 10U) & 0x3FFU) << 6U;
unsigned v = ((tmp >> 20U) & 0x3FFU) << 6U;
tmp = *s++;
unsigned y1 = (tmp & 0x3FFU) << 6U;
*d++ = y0;
*d++ = u;
*d++ = y1;
*d++ = v;
u = ((tmp >> 10U) & 0x3FFU) << 6U;
y0 = ((tmp >> 20U) & 0x3FFU) << 6U;
tmp = *s++;
v = (tmp & 0x3FFU) << 6U;
y1 = ((tmp >> 10U) & 0x3FFU) << 6U;
*d++ = y0;
*d++ = u;
*d++ = y1;
*d++ = v;
u = ((tmp >> 20U) & 0x3FFU) << 6U;
tmp = *s++;
y0 = (tmp & 0x3FFU) << 6U;
v = ((tmp >> 10U) & 0x3FFU) << 6U;
y1 = ((tmp >> 20U) & 0x3FFU) << 6U;
*d++ = y0;
*d++ = u;
*d++ = y1;
*d++ = v;
}
}