camera/mojo/camera_metadata_tags.mojom.mako

## -*- coding: utf-8 -*-
// Copyright 2022 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * ! Do not edit this file directly !
 *
 * Generated automatically from camera_metadata_tags.mojom.mako
 */

module cros.mojom;

/**
 * Top level hierarchy definitions for camera metadata. *_INFO sections are for
 * the static metadata that can be retrived without opening the camera device.
 * New sections must be added right before ANDROID_SECTION_COUNT to maintain
 * existing enumerations.
 */
enum CameraMetadataSection {
  % for i, section in enumerate(find_all_sections(metadata)):
    ${path_name(section) | csym,ljust(30)} = ${'0x%X' % i},
  % endfor
    ANDROID_SECTION_COUNT          = ${'0x%X' % len(list(find_all_sections(metadata)))},

    VENDOR_SECTION                 = 0x8000
};

/**
 * Hierarchy positions in enum space. All vendor extension tags must be
 * defined with tag >= VENDOR_SECTION_START
 */
[Extensible]
enum CameraMetadataSectionStart {
  % for i, section in enumerate(find_all_sections(metadata)):
    ${path_name(section) + '.start' | csym,ljust(30)} = ${'0x%X' % (i << 16)},
  % endfor

    // Mojom maps enum to int32_t in C++. This causes problem on the VENDOR_SECTION_START
    // below as 0x80000000 would generate -Wc++11-narrowing warnings while compiling the
    // generated C++ files. Until mojom supports mapping enum as uint32_t in C++ we need
    // to omit VENDOR_SECTION_START here and set CameraMetadataSectionStart as extensible.
    // VENDOR_SECTION_START           = ${'0x%X' % (0x8000 << 16)}
};

/**
 * Main enum for defining camera metadata tags.  New entries must always go
 * before the section _END tag to preserve existing enumeration values.  In
 * addition, the name and type of the tag needs to be added to
 * system/media/camera/src/camera_metadata_tag_info.c
 */
[Extensible]
enum CameraMetadataTag {
    % for i, section in enumerate(find_all_sections(metadata)):
      % for idx, entry in enumerate(remove_synthetic(find_unique_entries(section))):
        % if idx == 0:
    ${entry.name + " =" | csym,ljust(50)} ${'0x%X' % (i << 16)}, // ${path_name(find_parent_section(entry)) | csym}_START,
        % else:
    ${entry.name + "," | csym}
        % endif
      % endfor
    ${path_name(section) | csym}_END,
    %endfor
};

/**
 * Enumeration definitions for the various entries that need them
 */
% for section in find_all_sections(metadata):
  % for entry in remove_synthetic(find_unique_entries(section)):
    % if entry.enum:

// ${entry.name | csym}
enum ${pascal_case(entry.name)} {
      % for value in entry.enum.values:
        % if value.id is None:
    ${'%s_%s' % (csym(entry.name), value.name)},
        % else:
    ${'%s_%s' % (csym(entry.name), value.name) | pad(65)} = ${value.id},
        % endif
      % endfor
};
    % endif
  % endfor
%endfor