convert_from_argb.cc | Explore in Territory

/*
 *  Copyright 2012 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.
 */

#include "libyuv/convert_from_argb.h"

#include "libyuv/basic_types.h"
#include "libyuv/cpu_id.h"
#include "libyuv/planar_functions.h"
#include "libyuv/row.h"

#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif

// ARGB little endian (bgra in memory) to I444
LIBYUV_API
int ARGBToI444(const uint8_t* src_argb,
               int src_stride_argb,
               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) { … }

// ARGB little endian (bgra in memory) to I422
LIBYUV_API
int ARGBToI422(const uint8_t* src_argb,
               int src_stride_argb,
               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 ARGBToNV12(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_uv,
               int dst_stride_uv,
               int width,
               int height) { … }

// Same as NV12 but U and V swapped.
LIBYUV_API
int ARGBToNV21(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_vu,
               int dst_stride_vu,
               int width,
               int height) { … }

LIBYUV_API
int ABGRToNV12(const uint8_t* src_abgr,
               int src_stride_abgr,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_uv,
               int dst_stride_uv,
               int width,
               int height) { … }

// Same as NV12 but U and V swapped.
LIBYUV_API
int ABGRToNV21(const uint8_t* src_abgr,
               int src_stride_abgr,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_vu,
               int dst_stride_vu,
               int width,
               int height) { … }

// Convert ARGB to YUY2.
LIBYUV_API
int ARGBToYUY2(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_yuy2,
               int dst_stride_yuy2,
               int width,
               int height) { … }

// Convert ARGB to UYVY.
LIBYUV_API
int ARGBToUYVY(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_uyvy,
               int dst_stride_uyvy,
               int width,
               int height) { … }

// Convert ARGB to I400.
LIBYUV_API
int ARGBToI400(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_y,
               int dst_stride_y,
               int width,
               int height) { … }

#ifndef __riscv
// Shuffle table for converting ARGB to RGBA.
static const uvec8 kShuffleMaskARGBToRGBA = …;

// Convert ARGB to RGBA.
LIBYUV_API
int ARGBToRGBA(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_rgba,
               int dst_stride_rgba,
               int width,
               int height) { … }
#else
// Convert ARGB to RGBA.
LIBYUV_API
int ARGBToRGBA(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_rgba,
               int dst_stride_rgba,
               int width,
               int height) {
  int y;
  void (*ARGBToRGBARow)(const uint8_t* src_argb, uint8_t* dst_rgba, int width) =
      ARGBToRGBARow_C;
  if (!src_argb || !dst_rgba || width <= 0 || height == 0) {
    return -1;
  }
  if (height < 0) {
    height = -height;
    src_argb = src_argb + (height - 1) * src_stride_argb;
    src_stride_argb = -src_stride_argb;
  }
  // Coalesce rows.
  if (src_stride_argb == width * 4 && dst_stride_rgba == width * 4) {
    width *= height;
    height = 1;
    src_stride_argb = dst_stride_rgba = 0;
  }

#if defined(HAS_ARGBTORGBAROW_RVV)
  if (TestCpuFlag(kCpuHasRVV)) {
    ARGBToRGBARow = ARGBToRGBARow_RVV;
  }
#endif

  for (y = 0; y < height; ++y) {
    ARGBToRGBARow(src_argb, dst_rgba, width);
    src_argb += src_stride_argb;
    dst_rgba += dst_stride_rgba;
  }
  return 0;
}
#endif

// Convert ARGB To RGB24.
LIBYUV_API
int ARGBToRGB24(const uint8_t* src_argb,
                int src_stride_argb,
                uint8_t* dst_rgb24,
                int dst_stride_rgb24,
                int width,
                int height) { … }

// Convert ARGB To RAW.
LIBYUV_API
int ARGBToRAW(const uint8_t* src_argb,
              int src_stride_argb,
              uint8_t* dst_raw,
              int dst_stride_raw,
              int width,
              int height) { … }

// Ordered 8x8 dither for 888 to 565.  Values from 0 to 7.
static const uint8_t kDither565_4x4[16] = …;

// Convert ARGB To RGB565 with 4x4 dither matrix (16 bytes).
LIBYUV_API
int ARGBToRGB565Dither(const uint8_t* src_argb,
                       int src_stride_argb,
                       uint8_t* dst_rgb565,
                       int dst_stride_rgb565,
                       const uint8_t* dither4x4,
                       int width,
                       int height) { … }

// Convert ARGB To RGB565.
// TODO(fbarchard): Consider using dither function low level with zeros.
LIBYUV_API
int ARGBToRGB565(const uint8_t* src_argb,
                 int src_stride_argb,
                 uint8_t* dst_rgb565,
                 int dst_stride_rgb565,
                 int width,
                 int height) { … }

// Convert ARGB To ARGB1555.
LIBYUV_API
int ARGBToARGB1555(const uint8_t* src_argb,
                   int src_stride_argb,
                   uint8_t* dst_argb1555,
                   int dst_stride_argb1555,
                   int width,
                   int height) { … }

// Convert ARGB To ARGB4444.
LIBYUV_API
int ARGBToARGB4444(const uint8_t* src_argb,
                   int src_stride_argb,
                   uint8_t* dst_argb4444,
                   int dst_stride_argb4444,
                   int width,
                   int height) { … }

// Convert ABGR To AR30.
LIBYUV_API
int ABGRToAR30(const uint8_t* src_abgr,
               int src_stride_abgr,
               uint8_t* dst_ar30,
               int dst_stride_ar30,
               int width,
               int height) { … }

// Convert ARGB To AR30.
LIBYUV_API
int ARGBToAR30(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_ar30,
               int dst_stride_ar30,
               int width,
               int height) { … }

// Convert ARGB to J420. (JPeg full range I420).
LIBYUV_API
int ARGBToJ420(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_yj,
               int dst_stride_yj,
               uint8_t* dst_uj,
               int dst_stride_uj,
               uint8_t* dst_vj,
               int dst_stride_vj,
               int width,
               int height) { … }

// Convert ARGB to J422. (JPeg full range I422).
LIBYUV_API
int ARGBToJ422(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_yj,
               int dst_stride_yj,
               uint8_t* dst_uj,
               int dst_stride_uj,
               uint8_t* dst_vj,
               int dst_stride_vj,
               int width,
               int height) { … }

// Convert ARGB to J400.
LIBYUV_API
int ARGBToJ400(const uint8_t* src_argb,
               int src_stride_argb,
               uint8_t* dst_yj,
               int dst_stride_yj,
               int width,
               int height) { … }

// Convert RGBA to J400.
LIBYUV_API
int RGBAToJ400(const uint8_t* src_rgba,
               int src_stride_rgba,
               uint8_t* dst_yj,
               int dst_stride_yj,
               int width,
               int height) { … }

// Convert ABGR to J420. (JPeg full range I420).
LIBYUV_API
int ABGRToJ420(const uint8_t* src_abgr,
               int src_stride_abgr,
               uint8_t* dst_yj,
               int dst_stride_yj,
               uint8_t* dst_uj,
               int dst_stride_uj,
               uint8_t* dst_vj,
               int dst_stride_vj,
               int width,
               int height) { … }

// Convert ABGR to J422. (JPeg full range I422).
LIBYUV_API
int ABGRToJ422(const uint8_t* src_abgr,
               int src_stride_abgr,
               uint8_t* dst_yj,
               int dst_stride_yj,
               uint8_t* dst_uj,
               int dst_stride_uj,
               uint8_t* dst_vj,
               int dst_stride_vj,
               int width,
               int height) { … }

// Convert ABGR to J400.
LIBYUV_API
int ABGRToJ400(const uint8_t* src_abgr,
               int src_stride_abgr,
               uint8_t* dst_yj,
               int dst_stride_yj,
               int width,
               int height) { … }

// Convert ARGB to AR64.
LIBYUV_API
int ARGBToAR64(const uint8_t* src_argb,
               int src_stride_argb,
               uint16_t* dst_ar64,
               int dst_stride_ar64,
               int width,
               int height) { … }

// Convert ARGB to AB64.
LIBYUV_API
int ARGBToAB64(const uint8_t* src_argb,
               int src_stride_argb,
               uint16_t* dst_ab64,
               int dst_stride_ab64,
               int width,
               int height) { … }

// Enabled if 1 pass is available
#if defined(HAS_RAWTOYJROW_NEON) || defined(HAS_RAWTOYJROW_MSA) || \
    defined(HAS_RAWTOYJROW_RVV)
#define HAS_RAWTOYJROW
#endif

// RAW to JNV21 full range NV21
LIBYUV_API
int RAWToJNV21(const uint8_t* src_raw,
               int src_stride_raw,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_vu,
               int dst_stride_vu,
               int width,
               int height) { … }
#undef HAS_RAWTOYJROW

#ifdef __cplusplus
}  // extern "C"
}  // namespace libyuv
#endif
chromium/third_party/libyuv/source/convert_from_argb.cc
