diff options
Diffstat (limited to 'source/convert_from.cc')
| -rw-r--r-- | source/convert_from.cc | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/source/convert_from.cc b/source/convert_from.cc index e57bb4bf..9da60710 100644 --- a/source/convert_from.cc +++ b/source/convert_from.cc @@ -65,6 +65,50 @@ static int I420ToI4xx(const uint8* src_y, return 0; } +// Convert 8 bit YUV to 10 bit. +LIBYUV_API +int I420ToI010(const uint8* src_y, + int src_stride_y, + const uint8* src_u, + int src_stride_u, + const uint8* src_v, + int src_stride_v, + uint16* dst_y, + int dst_stride_y, + uint16* dst_u, + int dst_stride_u, + uint16* dst_v, + int dst_stride_v, + int width, + int height) { + int halfwidth = (width + 1) >> 1; + int halfheight = (height + 1) >> 1; + if (!src_u || !src_v || !dst_u || !dst_v || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + halfheight = (height + 1) >> 1; + src_y = src_y + (height - 1) * src_stride_y; + src_u = src_u + (halfheight - 1) * src_stride_u; + src_v = src_v + (halfheight - 1) * src_stride_v; + src_stride_y = -src_stride_y; + src_stride_u = -src_stride_u; + src_stride_v = -src_stride_v; + } + + // Convert Y plane. + Convert8To16Plane(src_y, src_stride_y, dst_y, dst_stride_y, 1024, width, + height); + // Convert UV planes. + Convert8To16Plane(src_u, src_stride_u, dst_u, dst_stride_u, 1024, halfwidth, + halfheight); + Convert8To16Plane(src_v, src_stride_v, dst_v, dst_stride_v, 1024, halfwidth, + halfheight); + return 0; +} + // 420 chroma is 1/2 width, 1/2 height // 422 chroma is 1/2 width, 1x height LIBYUV_API |