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   }
  44   NOTREACHED() << "Invalid VideoPixelFormat provided: " << format;
  45   return "";
  46 }
  47
  48 bool IsYuvPlanar(VideoPixelFormat format) {
  49   switch (format) {
  50     case PIXEL_FORMAT_YV12:
  51     case PIXEL_FORMAT_I420:
  52     case PIXEL_FORMAT_YV16:
  53     case PIXEL_FORMAT_YV12A:
  54     case PIXEL_FORMAT_YV24:
  55     case PIXEL_FORMAT_NV12:
  56     case PIXEL_FORMAT_NV21:
  57       return true;
  58
  59     case PIXEL_FORMAT_UNKNOWN:
  60     case PIXEL_FORMAT_UYVY:
  61     case PIXEL_FORMAT_YUY2:
  62     case PIXEL_FORMAT_ARGB:
  63     case PIXEL_FORMAT_XRGB:
  64     case PIXEL_FORMAT_RGB24:
  65     case PIXEL_FORMAT_RGB32:
  66     case PIXEL_FORMAT_MJPEG:
  67       return false;
  68   }
  69   return false;
  70 }
  71
  72 }  // namespace media