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_I420:
  16       return "PIXEL_FORMAT_I420";
  17     case PIXEL_FORMAT_YV12:
  18       return "PIXEL_FORMAT_YV12";
  19     case PIXEL_FORMAT_YV16:
  20       return "PIXEL_FORMAT_YV16";
  21     case PIXEL_FORMAT_YV12A:
  22       return "PIXEL_FORMAT_YV12A";
  23     case PIXEL_FORMAT_YV24:
  24       return "PIXEL_FORMAT_YV24";
  25     case PIXEL_FORMAT_NV12:
  26       return "PIXEL_FORMAT_NV12";
  27     case PIXEL_FORMAT_NV21:
  28       return "PIXEL_FORMAT_NV21";
  29     case PIXEL_FORMAT_UYVY:
  30       return "PIXEL_FORMAT_UYVY";
  31     case PIXEL_FORMAT_YUY2:
  32       return "PIXEL_FORMAT_YUY2";
  33     case PIXEL_FORMAT_ARGB:
  34       return "PIXEL_FORMAT_ARGB";
  35     case PIXEL_FORMAT_XRGB:
  36       return "PIXEL_FORMAT_XRGB";
  37     case PIXEL_FORMAT_RGB24:
  38       return "PIXEL_FORMAT_RGB24";
  39     case PIXEL_FORMAT_RGB32:
  40       return "PIXEL_FORMAT_RGB32";
  41     case PIXEL_FORMAT_MJPEG:
  42       return "PIXEL_FORMAT_MJPEG";
  43     case PIXEL_FORMAT_MT21:
  44       return "PIXEL_FORMAT_MT21";
  45   }
  46   NOTREACHED() << "Invalid VideoPixelFormat provided: " << format;
  47   return "";
  48 }
  49
  50 bool IsYuvPlanar(VideoPixelFormat format) {
  51   switch (format) {
  52     case PIXEL_FORMAT_YV12:
  53     case PIXEL_FORMAT_I420:
  54     case PIXEL_FORMAT_YV16:
  55     case PIXEL_FORMAT_YV12A:
  56     case PIXEL_FORMAT_YV24:
  57     case PIXEL_FORMAT_NV12:
  58     case PIXEL_FORMAT_NV21:
  59     case PIXEL_FORMAT_MT21:
  60       return true;
  61
  62     case PIXEL_FORMAT_UNKNOWN:
  63     case PIXEL_FORMAT_UYVY:
  64     case PIXEL_FORMAT_YUY2:
  65     case PIXEL_FORMAT_ARGB:
  66     case PIXEL_FORMAT_XRGB:
  67     case PIXEL_FORMAT_RGB24:
  68     case PIXEL_FORMAT_RGB32:
  69     case PIXEL_FORMAT_MJPEG:
  70       return false;
  71   }
  72   return false;
  73 }
  74
  75 }  // namespace media