gfx/ycbcr/ycbcr_to_rgb565.h

   1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 #ifndef MEDIA_BASE_YCBCR_TO_RGB565_H_
   5 #define MEDIA_BASE_YCBCR_TO_RGB565_H_
   6 #include "yuv_convert.h"
   7 #include "mozilla/arm.h"
   8
   9 // It's currently only worth including this if we have NEON support.
  10 #if defined(__arm__) && defined(MOZILLA_MAY_SUPPORT_NEON)
  11 #define HAVE_YCBCR_TO_RGB565 1
  12 #endif
  13
  14 namespace mozilla {
  15
  16 namespace gfx {
  17
  18 #ifdef HAVE_YCBCR_TO_RGB565
  19 // Convert a frame of YUV to 16 bit RGB565.
  20 void ConvertYCbCrToRGB565(const uint8_t* yplane,
  21                                    const uint8_t* uplane,
  22                                    const uint8_t* vplane,
  23                                    uint8_t* rgbframe,
  24                                    int pic_x,
  25                                    int pic_y,
  26                                    int pic_width,
  27                                    int pic_height,
  28                                    int ystride,
  29                                    int uvstride,
  30                                    int rgbstride,
  31                                    YUVType yuv_type);
  32
  33 // Used to test if we have an accelerated version.
  34 bool IsConvertYCbCrToRGB565Fast(int pic_x,
  35                                          int pic_y,
  36                                          int pic_width,
  37                                          int pic_height,
  38                                          YUVType yuv_type);
  39
  40 // Scale a frame of YUV to 16 bit RGB565.
  41 void ScaleYCbCrToRGB565(const uint8_t *yplane,
  42                                  const uint8_t *uplane,
  43                                  const uint8_t *vplane,
  44                                  uint8_t *rgbframe,
  45                                  int source_x0,
  46                                  int source_y0,
  47                                  int source_width,
  48                                  int source_height,
  49                                  int width,
  50                                  int height,
  51                                  int ystride,
  52                                  int uvstride,
  53                                  int rgbstride,
  54                                  YUVType yuv_type,
  55                                  ScaleFilter filter);
  56
  57 // Used to test if we have an accelerated version.
  58 bool IsScaleYCbCrToRGB565Fast(int source_x0,
  59                                        int source_y0,
  60                                        int source_width,
  61                                        int source_height,
  62                                        int width,
  63                                        int height,
  64                                        YUVType yuv_type,
  65                                        ScaleFilter filter);
  66 #endif // HAVE_YCBCR_TO_RGB565
  67
  68 } // namespace gfx
  69
  70 } // namespace mozilla
  71
  72 #endif // MEDIA_BASE_YCBCR_TO_RGB565_H_