/* * Copyright 2011 The LibYuv Project Authors. All rights reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree.
*/
// TODO(fbarchard): Move cpu macros to row.h #ifdefined(__pnacl__) || defined(__CLR_VER) || \
(defined(__native_client__) && defined(__x86_64__)) || \
(defined(__i386__) && !defined(__SSE__) && !defined(__clang__)) #define LIBYUV_DISABLE_X86 #endif // MemorySanitizer does not support assembly code yet. http://crbug.com/344505 #ifdefined(__has_feature) #if __has_feature(memory_sanitizer) && !defined(LIBYUV_DISABLE_NEON) #define LIBYUV_DISABLE_NEON #endif #if __has_feature(memory_sanitizer) && !defined(LIBYUV_DISABLE_X86) #define LIBYUV_DISABLE_X86 #endif #endif // The following are available on all x86 platforms: #if !defined(LIBYUV_DISABLE_X86) && \
(defined(_M_IX86) || defined(__x86_64__) || defined(__i386__)) #define HAS_ARGBAFFINEROW_SSE2 #endif
// Copy a plane of data.
LIBYUV_API void CopyPlane(const uint8_t* src_y, int src_stride_y,
uint8_t* dst_y, int dst_stride_y, int width, int height);
LIBYUV_API void CopyPlane_16(const uint16_t* src_y, int src_stride_y,
uint16_t* dst_y, int dst_stride_y, int width, int height);
LIBYUV_API void Convert16To8Plane(const uint16_t* src_y, int src_stride_y,
uint8_t* dst_y, int dst_stride_y, int scale, // 16384 for 10 bits int width, int height);
LIBYUV_API void Convert8To16Plane(const uint8_t* src_y, int src_stride_y,
uint16_t* dst_y, int dst_stride_y, int scale, // 1024 for 10 bits int width, int height);
// Set a plane of data to a 32 bit value.
LIBYUV_API void SetPlane(uint8_t* dst_y, int dst_stride_y, int width, int height,
uint32_t value);
// Convert a plane of tiles of 16 x H to linear.
LIBYUV_API int DetilePlane(const uint8_t* src_y, int src_stride_y,
uint8_t* dst_y, int dst_stride_y, int width, int height, int tile_height);
// Convert a plane of 16 bit tiles of 16 x H to linear.
LIBYUV_API int DetilePlane_16(const uint16_t* src_y, int src_stride_y,
uint16_t* dst_y, int dst_stride_y, int width, int height, int tile_height);
// Convert a UV plane of tiles of 16 x H into linear U and V planes.
LIBYUV_API void DetileSplitUVPlane(const uint8_t* src_uv, int src_stride_uv,
uint8_t* dst_u, int dst_stride_u,
uint8_t* dst_v, int dst_stride_v, int width, int height, int tile_height);
// Convert a Y and UV plane of tiles into interlaced YUY2.
LIBYUV_API void DetileToYUY2(const uint8_t* src_y, int src_stride_y, const uint8_t* src_uv, int src_stride_uv,
uint8_t* dst_yuy2, int dst_stride_yuy2, int width, int height, int tile_height);
// Split interleaved UV plane into separate U and V planes.
LIBYUV_API void SplitUVPlane(const uint8_t* src_uv, int src_stride_uv,
uint8_t* dst_u, int dst_stride_u,
uint8_t* dst_v, int dst_stride_v, int width, int height);
// Merge separate U and V planes into one interleaved UV plane.
LIBYUV_API void MergeUVPlane(const uint8_t* src_u, int src_stride_u, const uint8_t* src_v, int src_stride_v,
uint8_t* dst_uv, int dst_stride_uv, int width, int height);
// Split interleaved msb UV plane into separate lsb U and V planes.
LIBYUV_API void SplitUVPlane_16(const uint16_t* src_uv, int src_stride_uv,
uint16_t* dst_u, int dst_stride_u,
uint16_t* dst_v, int dst_stride_v, int width, int height, int depth);
// Merge separate lsb U and V planes into one interleaved msb UV plane.
LIBYUV_API void MergeUVPlane_16(const uint16_t* src_u, int src_stride_u, const uint16_t* src_v, int src_stride_v,
uint16_t* dst_uv, int dst_stride_uv, int width, int height, int depth);
// Convert lsb plane to msb plane
LIBYUV_API void ConvertToMSBPlane_16(const uint16_t* src_y, int src_stride_y,
uint16_t* dst_y, int dst_stride_y, int width, int height, int depth);
// Convert msb plane to lsb plane
LIBYUV_API void ConvertToLSBPlane_16(const uint16_t* src_y, int src_stride_y,
uint16_t* dst_y, int dst_stride_y, int width, int height, int depth);
// Scale U and V to half width and height and merge into interleaved UV plane. // width and height are source size, allowing odd sizes. // Use for converting I444 or I422 to NV12.
LIBYUV_API void HalfMergeUVPlane(const uint8_t* src_u, int src_stride_u, const uint8_t* src_v, int src_stride_v,
uint8_t* dst_uv, int dst_stride_uv, int width, int height);
// 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);
// Split interleaved RGB plane into separate R, G and B planes.
LIBYUV_API void SplitRGBPlane(const uint8_t* src_rgb, int src_stride_rgb,
uint8_t* dst_r, int dst_stride_r,
uint8_t* dst_g, int dst_stride_g,
uint8_t* dst_b, int dst_stride_b, int width, int height);
// Merge separate R, G and B planes into one interleaved RGB plane.
LIBYUV_API void MergeRGBPlane(const uint8_t* src_r, int src_stride_r, const uint8_t* src_g, int src_stride_g, const uint8_t* src_b, int src_stride_b,
uint8_t* dst_rgb, int dst_stride_rgb, int width, int height);
// Split interleaved ARGB plane into separate R, G, B and A planes. // dst_a can be NULL to discard alpha plane.
LIBYUV_API void SplitARGBPlane(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_r, int dst_stride_r,
uint8_t* dst_g, int dst_stride_g,
uint8_t* dst_b, int dst_stride_b,
uint8_t* dst_a, int dst_stride_a, int width, int height);
// Merge separate R, G, B and A planes into one interleaved ARGB plane. // src_a can be NULL to fill opaque value to alpha.
LIBYUV_API void MergeARGBPlane(const uint8_t* src_r, int src_stride_r, const uint8_t* src_g, int src_stride_g, const uint8_t* src_b, int src_stride_b, const uint8_t* src_a, int src_stride_a,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Merge separate 'depth' bit R, G and B planes stored in lsb // into one interleaved XR30 plane. // depth should in range [10, 16]
LIBYUV_API void MergeXR30Plane(const uint16_t* src_r, int src_stride_r, const uint16_t* src_g, int src_stride_g, const uint16_t* src_b, int src_stride_b,
uint8_t* dst_ar30, int dst_stride_ar30, int width, int height, int depth);
// Merge separate 'depth' bit R, G, B and A planes stored in lsb // into one interleaved AR64 plane. // src_a can be NULL to fill opaque value to alpha. // depth should in range [1, 16]
LIBYUV_API void MergeAR64Plane(const uint16_t* src_r, int src_stride_r, const uint16_t* src_g, int src_stride_g, const uint16_t* src_b, int src_stride_b, const uint16_t* src_a, int src_stride_a,
uint16_t* dst_ar64, int dst_stride_ar64, int width, int height, int depth);
// Merge separate 'depth' bit R, G, B and A planes stored in lsb // into one interleaved ARGB plane. // src_a can be NULL to fill opaque value to alpha. // depth should in range [8, 16]
LIBYUV_API void MergeARGB16To8Plane(const uint16_t* src_r, int src_stride_r, const uint16_t* src_g, int src_stride_g, const uint16_t* src_b, int src_stride_b, const uint16_t* src_a, int src_stride_a,
uint8_t* dst_argb, int dst_stride_argb, int width, int height, int depth);
// Copy I400. Supports inverting.
LIBYUV_API int I400ToI400(const uint8_t* src_y, int src_stride_y,
uint8_t* dst_y, int dst_stride_y, int width, int height);
#define J400ToJ400 I400ToI400
// Copy I422 to I422. #define I422ToI422 I422Copy
LIBYUV_API int I422Copy(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);
// Copy I444 to I444. #define I444ToI444 I444Copy
LIBYUV_API int I444Copy(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);
// Copy I210 to I210. #define I210ToI210 I210Copy
LIBYUV_API int I210Copy(const uint16_t* src_y, int src_stride_y, const uint16_t* src_u, int src_stride_u, const uint16_t* src_v, int src_stride_v,
uint16_t* dst_y, int dst_stride_y,
uint16_t* dst_u, int dst_stride_u,
uint16_t* dst_v, int dst_stride_v, int width, int height);
// Copy I410 to I410. #define I410ToI410 I410Copy
LIBYUV_API int I410Copy(const uint16_t* src_y, int src_stride_y, const uint16_t* src_u, int src_stride_u, const uint16_t* src_v, int src_stride_v,
uint16_t* dst_y, int dst_stride_y,
uint16_t* dst_u, int dst_stride_u,
uint16_t* dst_v, int dst_stride_v, int width, int height);
// Copy NV12. Supports inverting.
LIBYUV_API int NV12Copy(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_uv, int dst_stride_uv, int width, int height);
// Copy NV21. Supports inverting.
LIBYUV_API int NV21Copy(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_vu, int dst_stride_vu, int width, int height);
// Convert YUY2 to I422.
LIBYUV_API int YUY2ToI422(const uint8_t* src_yuy2, int src_stride_yuy2,
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);
// Convert UYVY to I422.
LIBYUV_API int UYVYToI422(const uint8_t* src_uyvy, int src_stride_uyvy,
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);
LIBYUV_API int YUY2ToNV12(const uint8_t* src_yuy2, int src_stride_yuy2,
uint8_t* dst_y, int dst_stride_y,
uint8_t* dst_uv, int dst_stride_uv, int width, int height);
LIBYUV_API int UYVYToNV12(const uint8_t* src_uyvy, int src_stride_uyvy,
uint8_t* dst_y, int dst_stride_y,
uint8_t* dst_uv, int dst_stride_uv, int width, int height);
// 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);
LIBYUV_API int YUY2ToY(const uint8_t* src_yuy2, int src_stride_yuy2,
uint8_t* dst_y, int dst_stride_y, int width, int height);
LIBYUV_API int UYVYToY(const uint8_t* src_uyvy, int src_stride_uyvy,
uint8_t* dst_y, int dst_stride_y, int width, int height);
// Convert I420 to I400. (calls CopyPlane ignoring u/v).
LIBYUV_API int I420ToI400(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, int width, int height);
// Alias #define J420ToJ400 I420ToI400 #define I420ToI420Mirror I420Mirror
// I420 mirror.
LIBYUV_API int I420Mirror(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);
// Alias #define I400ToI400Mirror I400Mirror
// I400 mirror. A single plane is mirrored horizontally. // Pass negative height to achieve 180 degree rotation.
LIBYUV_API int I400Mirror(const uint8_t* src_y, int src_stride_y,
uint8_t* dst_y, int dst_stride_y, int width, int height);
// Alias #define NV12ToNV12Mirror NV12Mirror
// NV12 mirror.
LIBYUV_API int NV12Mirror(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_uv, int dst_stride_uv, int width, int height);
// Alias #define ARGBToARGBMirror ARGBMirror
// ARGB mirror.
LIBYUV_API int ARGBMirror(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Alias #define RGB24ToRGB24Mirror RGB24Mirror
// RGB24 mirror.
LIBYUV_API int RGB24Mirror(const uint8_t* src_rgb24, int src_stride_rgb24,
uint8_t* dst_rgb24, int dst_stride_rgb24, int width, int height);
// Mirror a plane of data.
LIBYUV_API void MirrorPlane(const uint8_t* src_y, int src_stride_y,
uint8_t* dst_y, int dst_stride_y, int width, int height);
// Mirror a plane of UV data.
LIBYUV_API void MirrorUVPlane(const uint8_t* src_uv, int src_stride_uv,
uint8_t* dst_uv, int dst_stride_uv, int width, int height);
// Alias #define RGB24ToRAW RAWToRGB24
LIBYUV_API int RAWToRGB24(const uint8_t* src_raw, int src_stride_raw,
uint8_t* dst_rgb24, int dst_stride_rgb24, int width, int height);
// Draw a rectangle into I420.
LIBYUV_API int I420Rect(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 x, int y, int width, int height, int value_y, int value_u, int value_v);
// Draw a rectangle into ARGB.
LIBYUV_API int ARGBRect(uint8_t* dst_argb, int dst_stride_argb, int dst_x, int dst_y, int width, int height,
uint32_t value);
// Convert ARGB to gray scale ARGB.
LIBYUV_API int ARGBGrayTo(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Make a rectangle of ARGB gray scale.
LIBYUV_API int ARGBGray(uint8_t* dst_argb, int dst_stride_argb, int dst_x, int dst_y, int width, int height);
// Make a rectangle of ARGB Sepia tone.
LIBYUV_API int ARGBSepia(uint8_t* dst_argb, int dst_stride_argb, int dst_x, int dst_y, int width, int height);
// Apply a matrix rotation to each ARGB pixel. // matrix_argb is 4 signed ARGB values. -128 to 127 representing -2 to 2. // The first 4 coefficients apply to B, G, R, A and produce B of the output. // The next 4 coefficients apply to B, G, R, A and produce G of the output. // The next 4 coefficients apply to B, G, R, A and produce R of the output. // The last 4 coefficients apply to B, G, R, A and produce A of the output.
LIBYUV_API int ARGBColorMatrix(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, const int8_t* matrix_argb, int width, int height);
// Deprecated. Use ARGBColorMatrix instead. // Apply a matrix rotation to each ARGB pixel. // matrix_argb is 3 signed ARGB values. -128 to 127 representing -1 to 1. // The first 4 coefficients apply to B, G, R, A and produce B of the output. // The next 4 coefficients apply to B, G, R, A and produce G of the output. // The last 4 coefficients apply to B, G, R, A and produce R of the output.
LIBYUV_API int RGBColorMatrix(uint8_t* dst_argb, int dst_stride_argb, const int8_t* matrix_rgb, int dst_x, int dst_y, int width, int height);
// Apply a color table each ARGB pixel. // Table contains 256 ARGB values.
LIBYUV_API int ARGBColorTable(uint8_t* dst_argb, int dst_stride_argb, const uint8_t* table_argb, int dst_x, int dst_y, int width, int height);
// Apply a color table each ARGB pixel but preserve destination alpha. // Table contains 256 ARGB values.
LIBYUV_API int RGBColorTable(uint8_t* dst_argb, int dst_stride_argb, const uint8_t* table_argb, int dst_x, int dst_y, int width, int height);
// Apply a luma/color table each ARGB pixel but preserve destination alpha. // Table contains 32768 values indexed by [Y][C] where 7 it 7 bit luma from // RGB (YJ style) and C is an 8 bit color component (R, G or B).
LIBYUV_API int ARGBLumaColorTable(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, const uint8_t* luma, int width, int height);
// Apply a 3 term polynomial to ARGB values. // poly points to a 4x4 matrix. The first row is constants. The 2nd row is // coefficients for b, g, r and a. The 3rd row is coefficients for b squared, // g squared, r squared and a squared. The 4rd row is coefficients for b to // the 3, g to the 3, r to the 3 and a to the 3. The values are summed and // result clamped to 0 to 255. // A polynomial approximation can be dirived using software such as 'R'.
LIBYUV_API int ARGBPolynomial(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, constfloat* poly, int width, int height);
// Convert plane of 16 bit shorts to half floats. // Source values are multiplied by scale before storing as half float. // // Note: Unlike other libyuv functions that operate on uint16_t buffers, the // src_stride_y and dst_stride_y parameters of HalfFloatPlane() are in bytes, // not in units of uint16_t.
LIBYUV_API int HalfFloatPlane(const uint16_t* src_y, int src_stride_y,
uint16_t* dst_y, int dst_stride_y, float scale, int width, int height);
// Convert a buffer of bytes to floats, scale the values and store as floats.
LIBYUV_API int ByteToFloat(const uint8_t* src_y, float* dst_y, float scale, int width);
// Quantize a rectangle of ARGB. Alpha unaffected. // scale is a 16 bit fractional fixed point scaler between 0 and 65535. // interval_size should be a value between 1 and 255. // interval_offset should be a value between 0 and 255.
LIBYUV_API int ARGBQuantize(uint8_t* dst_argb, int dst_stride_argb, int scale, int interval_size, int interval_offset, int dst_x, int dst_y, int width, int height);
// Copy ARGB to ARGB.
LIBYUV_API int ARGBCopy(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Copy Alpha channel of ARGB to alpha of ARGB.
LIBYUV_API int ARGBCopyAlpha(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Extract the alpha channel from ARGB.
LIBYUV_API int ARGBExtractAlpha(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_a, int dst_stride_a, int width, int height);
// Copy Y channel to Alpha of ARGB.
LIBYUV_API int ARGBCopyYToAlpha(const uint8_t* src_y, int src_stride_y,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Alpha Blend ARGB images and store to destination. // Source is pre-multiplied by alpha using ARGBAttenuate. // Alpha of destination is set to 255.
LIBYUV_API int ARGBBlend(const uint8_t* src_argb0, int src_stride_argb0, const uint8_t* src_argb1, int src_stride_argb1,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Alpha Blend plane and store to destination. // Source is not pre-multiplied by alpha.
LIBYUV_API int BlendPlane(const uint8_t* src_y0, int src_stride_y0, const uint8_t* src_y1, int src_stride_y1, const uint8_t* alpha, int alpha_stride,
uint8_t* dst_y, int dst_stride_y, int width, int height);
// Alpha Blend YUV images and store to destination. // Source is not pre-multiplied by alpha. // Alpha is full width x height and subsampled to half size to apply to UV.
LIBYUV_API int I420Blend(const uint8_t* src_y0, int src_stride_y0, const uint8_t* src_u0, int src_stride_u0, const uint8_t* src_v0, int src_stride_v0, const uint8_t* src_y1, int src_stride_y1, const uint8_t* src_u1, int src_stride_u1, const uint8_t* src_v1, int src_stride_v1, const uint8_t* alpha, int alpha_stride,
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);
// Multiply ARGB image by ARGB image. Shifted down by 8. Saturates to 255.
LIBYUV_API int ARGBMultiply(const uint8_t* src_argb0, int src_stride_argb0, const uint8_t* src_argb1, int src_stride_argb1,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Add ARGB image with ARGB image. Saturates to 255.
LIBYUV_API int ARGBAdd(const uint8_t* src_argb0, int src_stride_argb0, const uint8_t* src_argb1, int src_stride_argb1,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Subtract ARGB image (argb1) from ARGB image (argb0). Saturates to 0.
LIBYUV_API int ARGBSubtract(const uint8_t* src_argb0, int src_stride_argb0, const uint8_t* src_argb1, int src_stride_argb1,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Convert I422 to YUY2.
LIBYUV_API int I422ToYUY2(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_yuy2, int dst_stride_yuy2, int width, int height);
// Convert I422 to UYVY.
LIBYUV_API int I422ToUYVY(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_uyvy, int dst_stride_uyvy, int width, int height);
// Convert unattentuated ARGB to preattenuated ARGB.
LIBYUV_API int ARGBAttenuate(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Convert preattentuated ARGB to unattenuated ARGB.
LIBYUV_API int ARGBUnattenuate(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Internal function - do not call directly. // Computes table of cumulative sum for image where the value is the sum // of all values above and to the left of the entry. Used by ARGBBlur.
LIBYUV_API int ARGBComputeCumulativeSum(const uint8_t* src_argb, int src_stride_argb,
int32_t* dst_cumsum, int dst_stride32_cumsum, int width, int height);
// Blur ARGB image. // dst_cumsum table of width * (height + 1) * 16 bytes aligned to // 16 byte boundary. // dst_stride32_cumsum is number of ints in a row (width * 4). // radius is number of pixels around the center. e.g. 1 = 3x3. 2=5x5. // Blur is optimized for radius of 5 (11x11) or less.
LIBYUV_API int ARGBBlur(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb,
int32_t* dst_cumsum, int dst_stride32_cumsum, int width, int height, int radius);
// Gaussian 5x5 blur a float plane. // Coefficients of 1, 4, 6, 4, 1. // Each destination pixel is a blur of the 5x5 // pixels from the source. // Source edges are clamped.
LIBYUV_API int GaussPlane_F32(constfloat* src, int src_stride, float* dst, int dst_stride, int width, int height);
// Multiply ARGB image by ARGB value.
LIBYUV_API int ARGBShade(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height,
uint32_t value);
// Interpolate between two images using specified amount of interpolation // (0 to 255) and store to destination. // 'interpolation' is specified as 8 bit fraction where 0 means 100% src0 // and 255 means 1% src0 and 99% src1.
LIBYUV_API int InterpolatePlane(const uint8_t* src0, int src_stride0, const uint8_t* src1, int src_stride1,
uint8_t* dst, int dst_stride, int width, int height, int interpolation);
// Interpolate between two images using specified amount of interpolation // (0 to 255) and store to destination. // 'interpolation' is specified as 8 bit fraction where 0 means 100% src0 // and 255 means 1% src0 and 99% src1.
LIBYUV_API int InterpolatePlane_16(const uint16_t* src0, int src_stride0, // measured in 16 bit pixels const uint16_t* src1, int src_stride1,
uint16_t* dst, int dst_stride, int width, int height, int interpolation);
// Interpolate between two ARGB images using specified amount of interpolation // Internally calls InterpolatePlane with width * 4 (bpp).
LIBYUV_API int ARGBInterpolate(const uint8_t* src_argb0, int src_stride_argb0, const uint8_t* src_argb1, int src_stride_argb1,
uint8_t* dst_argb, int dst_stride_argb, int width, int height, int interpolation);
// Interpolate between two YUV images using specified amount of interpolation // Internally calls InterpolatePlane on each plane where the U and V planes // are half width and half height.
LIBYUV_API int I420Interpolate(const uint8_t* src0_y, int src0_stride_y, const uint8_t* src0_u, int src0_stride_u, const uint8_t* src0_v, int src0_stride_v, const uint8_t* src1_y, int src1_stride_y, const uint8_t* src1_u, int src1_stride_u, const uint8_t* src1_v, int src1_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, int interpolation);
// Row function for copying pixels from a source with a slope to a row // of destination. Useful for scaling, rotation, mirror, texture mapping.
LIBYUV_API void ARGBAffineRow_C(const uint8_t* src_argb, int src_argb_stride,
uint8_t* dst_argb, constfloat* uv_dudv, int width); // TODO(fbarchard): Move ARGBAffineRow_SSE2 to row.h
LIBYUV_API void ARGBAffineRow_SSE2(const uint8_t* src_argb, int src_argb_stride,
uint8_t* dst_argb, constfloat* uv_dudv, int width);
// Shuffle ARGB channel order. e.g. BGRA to ARGB. // shuffler is 16 bytes.
LIBYUV_API int ARGBShuffle(const uint8_t* src_bgra, int src_stride_bgra,
uint8_t* dst_argb, int dst_stride_argb, const uint8_t* shuffler, int width, int height);
// Shuffle AR64 channel order. e.g. AR64 to AB64. // shuffler is 16 bytes.
LIBYUV_API int AR64Shuffle(const uint16_t* src_ar64, int src_stride_ar64,
uint16_t* dst_ar64, int dst_stride_ar64, const uint8_t* shuffler, int width, int height);
// Sobel ARGB effect with planar output.
LIBYUV_API int ARGBSobelToPlane(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_y, int dst_stride_y, int width, int height);
// Sobel ARGB effect.
LIBYUV_API int ARGBSobel(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
// Sobel ARGB effect w/ Sobel X, Sobel, Sobel Y in ARGB.
LIBYUV_API int ARGBSobelXY(const uint8_t* src_argb, int src_stride_argb,
uint8_t* dst_argb, int dst_stride_argb, int width, int height);
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