media/base/video_types.cc

   1 // Copyright 2015 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
   5 #include "media/base/video_types.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace media {
  10
  11 std::string VideoPixelFormatToString(VideoPixelFormat format) {
  12   switch (format) {
  13     case PIXEL_FORMAT_UNKNOWN:
  14       return "PIXEL_FORMAT_UNKNOWN";
  15     case PIXEL_FORMAT_YV12:
  16       return "PIXEL_FORMAT_YV12";
  17     case PIXEL_FORMAT_YV16:
  18       return "PIXEL_FORMAT_YV16";
  19     case PIXEL_FORMAT_I420:
  20       return "PIXEL_FORMAT_I420";
  21     case PIXEL_FORMAT_YV12A:
  22       return "PIXEL_FORMAT_YV12A";
  23     case PIXEL_FORMAT_YV24:
  24       return "PIXEL_FORMAT_YV24";
  25     case PIXEL_FORMAT_ARGB:
  26       return "PIXEL_FORMAT_ARGB";
  27     case PIXEL_FORMAT_XRGB:
  28       return "PIXEL_FORMAT_XRGB";
  29     case PIXEL_FORMAT_NV12:
  30       return "PIXEL_FORMAT_NV12";
  31     case PIXEL_FORMAT_UYVY:
  32       return "PIXEL_FORMAT_UYVY";
  33   }
  34   NOTREACHED() << "Invalid VideoPixelFormat provided: " << format;
  35   return "";
  36 }
  37
  38 bool IsYuvPlanar(VideoPixelFormat format) {
  39   switch (format) {
  40     case PIXEL_FORMAT_YV12:
  41     case PIXEL_FORMAT_I420:
  42     case PIXEL_FORMAT_YV16:
  43     case PIXEL_FORMAT_YV12A:
  44     case PIXEL_FORMAT_YV24:
  45     case PIXEL_FORMAT_NV12:
  46       return true;
  47
  48     case PIXEL_FORMAT_UNKNOWN:
  49     case PIXEL_FORMAT_ARGB:
  50     case PIXEL_FORMAT_XRGB:
  51     case PIXEL_FORMAT_UYVY:
  52       return false;
  53   }
  54   return false;
  55 }
  56
  57 }  // namespace media