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[libyuv] Update to hash ea23edfb from https://chromium.googlesource.com/libyuv/libyuv/

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This commit is contained in:
Anthony Minessale
2019-09-11 15:53:30 +00:00
committed by Andrey Volk
parent 6175c55b2f
commit 1b1c66aae4
45 changed files with 3684 additions and 574 deletions
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101
libs/libyuv/source/row_common.cc
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@@ -3231,6 +3231,107 @@ void GaussCol_C(const uint16_t* src0,
}
}
// Convert biplanar NV21 to packed YUV24
void NV21ToYUV24Row_C(const uint8_t* src_y,
const uint8_t* src_vu,
uint8_t* dst_yuv24,
int width) {
int x;
for (x = 0; x < width - 1; x += 2) {
dst_yuv24[0] = src_vu[0]; // V
dst_yuv24[1] = src_vu[1]; // U
dst_yuv24[2] = src_y[0]; // Y0
dst_yuv24[3] = src_vu[0]; // V
dst_yuv24[4] = src_vu[1]; // U
dst_yuv24[5] = src_y[1]; // Y1
src_y += 2;
src_vu += 2;
dst_yuv24 += 6; // Advance 2 pixels.
}
if (width & 1) {
dst_yuv24[0] = src_vu[0]; // V
dst_yuv24[1] = src_vu[1]; // U
dst_yuv24[2] = src_y[0]; // Y0
}
}
// Filter 2 rows of AYUV UV's (444) into UV (420).
void AYUVToUVRow_C(const uint8_t* src_ayuv,
int src_stride_ayuv,
uint8_t* dst_uv,
int width) {
// Output a row of UV values, filtering 2x2 rows of AYUV.
int x;
for (x = 0; x < width; x += 2) {
dst_uv[0] = (src_ayuv[1] + src_ayuv[5] + src_ayuv[src_stride_ayuv + 1] +
src_ayuv[src_stride_ayuv + 5] + 2) >>
2;
dst_uv[1] = (src_ayuv[0] + src_ayuv[4] + src_ayuv[src_stride_ayuv + 0] +
src_ayuv[src_stride_ayuv + 4] + 2) >>
2;
src_ayuv += 8;
dst_uv += 2;
}
if (width & 1) {
dst_uv[0] = (src_ayuv[0] + src_ayuv[0] + src_ayuv[src_stride_ayuv + 0] +
src_ayuv[src_stride_ayuv + 0] + 2) >>
2;
dst_uv[1] = (src_ayuv[1] + src_ayuv[1] + src_ayuv[src_stride_ayuv + 1] +
src_ayuv[src_stride_ayuv + 1] + 2) >>
2;
}
}
// Filter 2 rows of AYUV UV's (444) into VU (420).
void AYUVToVURow_C(const uint8_t* src_ayuv,
int src_stride_ayuv,
uint8_t* dst_vu,
int width) {
// Output a row of VU values, filtering 2x2 rows of AYUV.
int x;
for (x = 0; x < width; x += 2) {
dst_vu[0] = (src_ayuv[0] + src_ayuv[4] + src_ayuv[src_stride_ayuv + 0] +
src_ayuv[src_stride_ayuv + 4] + 2) >>
2;
dst_vu[1] = (src_ayuv[1] + src_ayuv[5] + src_ayuv[src_stride_ayuv + 1] +
src_ayuv[src_stride_ayuv + 5] + 2) >>
2;
src_ayuv += 8;
dst_vu += 2;
}
if (width & 1) {
dst_vu[0] = (src_ayuv[0] + src_ayuv[0] + src_ayuv[src_stride_ayuv + 0] +
src_ayuv[src_stride_ayuv + 0] + 2) >>
2;
dst_vu[1] = (src_ayuv[1] + src_ayuv[1] + src_ayuv[src_stride_ayuv + 1] +
src_ayuv[src_stride_ayuv + 1] + 2) >>
2;
}
}
// Copy row of AYUV Y's into Y
void AYUVToYRow_C(const uint8_t* src_ayuv, uint8_t* dst_y, int width) {
// Output a row of Y values.
int x;
for (x = 0; x < width; ++x) {
dst_y[x] = src_ayuv[2]; // v,u,y,a
src_ayuv += 4;
}
}
// Convert UV plane of NV12 to VU of NV21.
void SwapUVRow_C(const uint8_t* src_uv, uint8_t* dst_vu, int width) {
int x;
for (x = 0; x < width; ++x) {
uint8_t u = src_uv[0];
uint8_t v = src_uv[1];
dst_vu[0] = v;
dst_vu[1] = u;
src_uv += 2;
dst_vu += 2;
}
}
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv