ui/display/util/edid_parser.h

   1 // Copyright 2014 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 #ifndef UI_DISPLAY_UTIL_EDID_PARSER_H_
   6 #define UI_DISPLAY_UTIL_EDID_PARSER_H_
   7
   8 #include <stdint.h>
   9
  10 #include <string>
  11 #include <vector>
  12
  13 #include "ui/display/util/display_util_export.h"
  14
  15 // EDID (Extended Display Identification Data) is a format for monitor
  16 // metadata. This provides a parser for the data.
  17
  18 namespace ui {
  19
  20 // Generates the display id for the pair of |edid| and |index|, and store in
  21 // |display_id_out|. Returns true if the display id is successfully generated,
  22 // or false otherwise.
  23 DISPLAY_UTIL_EXPORT bool GetDisplayIdFromEDID(const std::vector<uint8_t>& edid,
  24                                               uint8_t index,
  25                                               int64_t* display_id_out);
  26
  27 // Parses |edid| as EDID data and stores extracted data into |manufacturer_id|
  28 // and |human_readable_name| and returns true. NULL can be passed for unwanted
  29 // output parameters. Some devices (especially internal displays) may not have
  30 // the field for |human_readable_name|, and it will return true in that case.
  31 DISPLAY_UTIL_EXPORT bool ParseOutputDeviceData(
  32     const std::vector<uint8_t>& edid,
  33     uint16_t* manufacturer_id,
  34     std::string* human_readable_name);
  35
  36 DISPLAY_UTIL_EXPORT bool ParseOutputOverscanFlag(
  37     const std::vector<uint8_t>& edid,
  38     bool* flag);
  39
  40 }  // namespace ui
  41
  42 #endif // UI_DISPLAY_UTIL_EDID_PARSER_H_