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Adeeb Shihadeh
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
#pragma once
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#include <cstdint>
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// NV12: Y plane + interleaved UV. I420: planar Y, U, V.
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namespace yuv {
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// Deinterleave NV12 UV into planar I420.
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void nv12_to_i420(const uint8_t *src_y, int src_stride_y,
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const uint8_t *src_uv, int src_stride_uv,
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uint8_t *dst_y, int dst_stride_y,
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uint8_t *dst_u, int dst_stride_u,
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uint8_t *dst_v, int dst_stride_v,
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int width, int height);
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// Interleave planar I420 UV into NV12.
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void i420_to_nv12(const uint8_t *src_y, int src_stride_y,
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const uint8_t *src_u, int src_stride_u,
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const uint8_t *src_v, int src_stride_v,
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uint8_t *dst_y, int dst_stride_y,
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uint8_t *dst_uv, int dst_stride_uv,
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int width, int height);
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// Point-sample scale I420 (equivalent to libyuv::I420Scale + kFilterNone).
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void i420_scale(const uint8_t *src_y, int src_stride_y,
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const uint8_t *src_u, int src_stride_u,
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const uint8_t *src_v, int src_stride_v,
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int src_width, int src_height,
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uint8_t *dst_y, int dst_stride_y,
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uint8_t *dst_u, int dst_stride_u,
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uint8_t *dst_v, int dst_stride_v,
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int dst_width, int dst_height);
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// Convert NV12 to packed RGBA (R,G,B,A bytes — suitable for GL_RGBA).
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// BT.601 limited-range, matching common libyuv defaults.
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void nv12_to_rgba(const uint8_t *src_y, int src_stride_y,
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const uint8_t *src_uv, int src_stride_uv,
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uint8_t *dst_rgba, int dst_stride_rgba,
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int width, int height);
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}
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