kenmirrors/freeswitch
1
0
Fork 0
mirror of https://github.com/signalwire/freeswitch.git synced 2025-08-13 17:38:59 +00:00
Code Issues Projects Releases Wiki Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

82
libs/libyuv/source/planar_functions.cc
View File

@@ -440,7 +440,6 @@ void MergeUVPlane(const uint8_t* src_u,
int y;
void (*MergeUVRow)(const uint8_t* src_u, const uint8_t* src_v,
uint8_t* dst_uv, int width) = MergeUVRow_C;
// Coalesce rows.
// Negative height means invert the image.
if (height < 0) {
height = -height;
@@ -504,6 +503,87 @@ void MergeUVPlane(const uint8_t* src_u,
}
}
// Swap U and V channels in interleaved UV plane.
LIBYUV_API
void SwapUVPlane(const uint8_t* src_uv,
int src_stride_uv,
uint8_t* dst_vu,
int dst_stride_vu,
int width,
int height) {
int y;
void (*SwapUVRow)(const uint8_t* src_uv, uint8_t* dst_vu, int width) =
SwapUVRow_C;
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_uv = src_uv + (height - 1) * src_stride_uv;
src_stride_uv = -src_stride_uv;
}
// Coalesce rows.
if (src_stride_uv == width * 2 && dst_stride_vu == width * 2) {
width *= height;
height = 1;
src_stride_uv = dst_stride_vu = 0;
}
#if defined(HAS_SWAPUVROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
SwapUVRow = SwapUVRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
SwapUVRow = SwapUVRow_SSSE3;
}
}
#endif
#if defined(HAS_SWAPUVROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
SwapUVRow = SwapUVRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
SwapUVRow = SwapUVRow_AVX2;
}
}
#endif
#if defined(HAS_SWAPUVROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SwapUVRow = SwapUVRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
SwapUVRow = SwapUVRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
SwapUVRow(src_uv, dst_vu, width);
src_uv += src_stride_uv;
dst_vu += dst_stride_vu;
}
}
// Convert NV21 to NV12.
LIBYUV_API
int NV21ToNV12(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_vu,
int src_stride_vu,
uint8_t* dst_y,
int dst_stride_y,
uint8_t* dst_uv,
int dst_stride_uv,
int width,
int height) {
int halfwidth = (width + 1) >> 1;
int halfheight = (height + 1) >> 1;
if (!src_vu || !dst_uv || width <= 0 || height == 0) {
return -1;
}
if (dst_y) {
CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
}
SwapUVPlane(src_vu, src_stride_vu, dst_uv, dst_stride_uv, halfwidth,
halfheight);
return 0;
}
// Support function for NV12 etc RGB channels.
// Width and height are plane sizes (typically half pixel width).
LIBYUV_API