github-actions[bot]
f8e13417f2
date: 2026-08-15T14:20:10 master commit: d48cfa730bf21593b684efeaf3fd8940695e1dea
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
#pragma once
|
|
|
|
#include <cstdint>
|
|
|
|
// NV12: Y plane + interleaved UV. I420: planar Y, U, V.
|
|
|
|
namespace yuv {
|
|
|
|
// Deinterleave NV12 UV into planar I420.
|
|
void nv12_to_i420(const uint8_t *src_y, int src_stride_y,
|
|
const uint8_t *src_uv, int src_stride_uv,
|
|
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);
|
|
|
|
// Interleave planar I420 UV into NV12.
|
|
void i420_to_nv12(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_uv, int dst_stride_uv,
|
|
int width, int height);
|
|
|
|
// Point-sample scale I420 (equivalent to libyuv::I420Scale + kFilterNone).
|
|
void i420_scale(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,
|
|
int src_width, int src_height,
|
|
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 dst_width, int dst_height);
|
|
|
|
// Convert NV12 to packed RGBA (R,G,B,A bytes — suitable for GL_RGBA).
|
|
// BT.601 limited-range, matching common libyuv defaults.
|
|
void nv12_to_rgba(const uint8_t *src_y, int src_stride_y,
|
|
const uint8_t *src_uv, int src_stride_uv,
|
|
uint8_t *dst_rgba, int dst_stride_rgba,
|
|
int width, int height);
|
|
|
|
}
|