diff options
Diffstat (limited to 'files/source/rotate.cc')
-rw-r--r-- | files/source/rotate.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/files/source/rotate.cc b/files/source/rotate.cc index f28a06d3..d414186a 100644 --- a/files/source/rotate.cc +++ b/files/source/rotate.cc @@ -482,6 +482,66 @@ int I420Rotate(const uint8_t* src_y, } LIBYUV_API +int I444Rotate(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height, + enum libyuv::RotationMode mode) { + if (!src_y || !src_u || !src_v || width <= 0 || height == 0 || !dst_y || + !dst_u || !dst_v) { + return -1; + } + + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_y = src_y + (height - 1) * src_stride_y; + src_u = src_u + (height - 1) * src_stride_u; + src_v = src_v + (height - 1) * src_stride_v; + src_stride_y = -src_stride_y; + src_stride_u = -src_stride_u; + src_stride_v = -src_stride_v; + } + + switch (mode) { + case libyuv::kRotate0: + // copy frame + CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, width, height); + CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, width, height); + return 0; + case libyuv::kRotate90: + RotatePlane90(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + RotatePlane90(src_u, src_stride_u, dst_u, dst_stride_u, width, height); + RotatePlane90(src_v, src_stride_v, dst_v, dst_stride_v, width, height); + return 0; + case libyuv::kRotate270: + RotatePlane270(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + RotatePlane270(src_u, src_stride_u, dst_u, dst_stride_u, width, height); + RotatePlane270(src_v, src_stride_v, dst_v, dst_stride_v, width, height); + return 0; + case libyuv::kRotate180: + RotatePlane180(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + RotatePlane180(src_u, src_stride_u, dst_u, dst_stride_u, width, height); + RotatePlane180(src_v, src_stride_v, dst_v, dst_stride_v, width, height); + return 0; + default: + break; + } + return -1; +} + +LIBYUV_API int NV12ToI420Rotate(const uint8_t* src_y, int src_stride_y, const uint8_t* src_uv, |