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140 lines
4.1 KiB
Plaintext
140 lines
4.1 KiB
Plaintext
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module media.mojom;
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// Equivalent to idl MediaSettingsRange, arbitrary range representing the
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// allowed variations of a Capability or an Option.
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// https://w3c.github.io/mediacapture-image/#mediasettingsrange-section
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struct Range {
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double max;
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double min;
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double current;
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double step;
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};
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// https://w3c.github.io/mediacapture-image/#meteringmode-section
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enum MeteringMode { NONE, MANUAL, SINGLE_SHOT, CONTINUOUS };
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// https://w3c.github.io/mediacapture-image/#redeyereduction-section
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enum RedEyeReduction { NEVER, ALWAYS, CONTROLLABLE };
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// https://www.w3.org/TR/image-capture/#FillLightMode
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enum FillLightMode { OFF, AUTO, FLASH };
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// Equivalent to idl's MediaTrackCapabilities plus PhotoCapabilities and their
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// associated settings.
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struct PhotoState {
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// https://w3c.github.io/mediacapture-image/#mediatrackcapabilities-section
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// and https://w3c.github.io/mediacapture-image/#mediatracksettings-section
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array<MeteringMode> supported_white_balance_modes;
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MeteringMode current_white_balance_mode;
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array<MeteringMode> supported_exposure_modes;
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MeteringMode current_exposure_mode;
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array<MeteringMode> supported_focus_modes;
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MeteringMode current_focus_mode;
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array<Point2D> points_of_interest;
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Range exposure_compensation;
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Range color_temperature;
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Range iso;
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Range brightness;
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Range contrast;
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Range saturation;
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Range sharpness;
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Range zoom;
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bool supports_torch;
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bool torch;
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// https://w3c.github.io/mediacapture-image/##photocapabilities-section and
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// https://w3c.github.io/mediacapture-image/##photosettings-section
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RedEyeReduction red_eye_reduction;
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Range height;
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Range width;
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array<FillLightMode> fill_light_mode;
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};
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// Equivalent to idl Point2D.
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// https://w3c.github.io/mediacapture-image/#point2d-section
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// TODO(mcasas): use gfx::mojom::PointF after https://crbug.com/640049.
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struct Point2D {
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float x;
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float y;
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};
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// Equivalent to idl PhotoSettings + MediaTrackSettings/MediaTrackConstraintSet.
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// PODs cannot be nullable, i.e. uint32? bla doesn't work, use |has_bla| flags.
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struct PhotoSettings {
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// https://w3c.github.io/mediacapture-image/#mediatracksettings-section and
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// https://w3c.github.io/mediacapture-image/#mediatrackconstraintset-section
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bool has_white_balance_mode;
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MeteringMode white_balance_mode;
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bool has_exposure_mode;
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MeteringMode exposure_mode;
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bool has_focus_mode;
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MeteringMode focus_mode;
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array<Point2D> points_of_interest;
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bool has_exposure_compensation;
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double exposure_compensation;
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bool has_color_temperature;
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double color_temperature;
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bool has_iso;
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double iso;
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bool has_brightness;
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double brightness;
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bool has_contrast;
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double contrast;
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bool has_saturation;
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double saturation;
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bool has_sharpness;
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double sharpness;
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bool has_zoom;
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double zoom;
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bool has_torch;
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bool torch;
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// https://w3c.github.io/mediacapture-image/##photosettings-section
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bool has_fill_light_mode;
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FillLightMode fill_light_mode;
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bool has_width;
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double width;
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bool has_height;
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double height;
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bool has_red_eye_reduction;
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bool red_eye_reduction;
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};
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// This is a mojo move-only equivalent of a Blob, i.e. MIME type and Data.
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struct Blob {
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string mime_type;
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array<uint8> data;
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};
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// |source_id| is the renderer-side UUID identifier of the image capture device.
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interface ImageCapture
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{
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// Retrieves the image capture device capabilities and current settings.
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// https://www.w3.org/TR/image-capture/#dom-imagecapture-getphotocapabilities
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GetPhotoState(string source_id)
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=> (PhotoState state);
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// Sets the |settings| on the associated video capture device.
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// https://www.w3.org/TR/image-capture/#dom-imagecapture-setoptions
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SetOptions(string source_id, PhotoSettings settings)
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=> (bool success);
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// Takes a Photo from the given |source_id|, returning it encoded in |blob|
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// with the format specified in its |mime_type|.
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// https://www.w3.org/TR/image-capture/#dom-imagecapture-takephoto
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TakePhoto(string source_id)
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=> (Blob blob);
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};
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