SubMiner/src/core/services/mpv-properties.ts

import {
  MPV_REQUEST_ID_AID,
  MPV_REQUEST_ID_OSD_DIMENSIONS,
  MPV_REQUEST_ID_OSD_HEIGHT,
  MPV_REQUEST_ID_PATH,
  MPV_REQUEST_ID_SECONDARY_SUBTEXT,
  MPV_REQUEST_ID_SECONDARY_SUB_VISIBILITY,
  MPV_REQUEST_ID_SUB_ASS_OVERRIDE,
  MPV_REQUEST_ID_SUB_BOLD,
  MPV_REQUEST_ID_SUB_BORDER_SIZE,
  MPV_REQUEST_ID_SUB_FONT,
  MPV_REQUEST_ID_SUB_FONT_SIZE,
  MPV_REQUEST_ID_SUB_ITALIC,
  MPV_REQUEST_ID_SUB_MARGIN_X,
  MPV_REQUEST_ID_SUB_MARGIN_Y,
  MPV_REQUEST_ID_SUB_POS,
  MPV_REQUEST_ID_SUB_SCALE,
  MPV_REQUEST_ID_SUB_SCALE_BY_WINDOW,
  MPV_REQUEST_ID_SUB_SHADOW_OFFSET,
  MPV_REQUEST_ID_SUB_SPACING,
  MPV_REQUEST_ID_SUBTEXT,
  MPV_REQUEST_ID_SUBTEXT_ASS,
  MPV_REQUEST_ID_SUB_USE_MARGINS,
  MPV_REQUEST_ID_PAUSE,
} from './mpv-protocol';

type MpvProtocolCommand = {
  command: unknown[];
  request_id?: number;
};

export interface MpvSendCommand {
  (command: MpvProtocolCommand): boolean;
}

const MPV_SUBTITLE_PROPERTY_OBSERVATIONS: string[] = [
  'sub-text',
  'path',
  'sub-start',
  'sub-end',
  'time-pos',
  'secondary-sub-text',
  'aid',
  'sub-pos',
  'sub-font-size',
  'sub-scale',
  'sub-margin-y',
  'sub-margin-x',
  'sub-font',
  'sub-spacing',
  'sub-bold',
  'sub-italic',
  'sub-scale-by-window',
  'osd-height',
  'osd-dimensions',
  'sub-text-ass',
  'sub-border-size',
  'sub-shadow-offset',
  'sub-ass-override',
  'sub-use-margins',
  'pause',
  'fullscreen',
  'duration',
  'media-title',
  'secondary-sub-visibility',
  'sub-visibility',
  'sid',
  'track-list',
];

const MPV_INITIAL_PROPERTY_REQUESTS: Array<MpvProtocolCommand> = [
  {
    command: ['get_property', 'sub-text'],
    request_id: MPV_REQUEST_ID_SUBTEXT,
  },
  {
    command: ['get_property', 'sub-text-ass'],
    request_id: MPV_REQUEST_ID_SUBTEXT_ASS,
  },
  {
    command: ['get_property', 'path'],
    request_id: MPV_REQUEST_ID_PATH,
  },
  {
    command: ['get_property', 'media-title'],
  },
  {
    command: ['get_property', 'pause'],
    request_id: MPV_REQUEST_ID_PAUSE,
  },
  {
    command: ['get_property', 'secondary-sub-text'],
    request_id: MPV_REQUEST_ID_SECONDARY_SUBTEXT,
  },
  {
    command: ['get_property', 'secondary-sub-visibility'],
    request_id: MPV_REQUEST_ID_SECONDARY_SUB_VISIBILITY,
  },
  {
    command: ['get_property', 'aid'],
    request_id: MPV_REQUEST_ID_AID,
  },
  {
    command: ['get_property', 'sub-pos'],
    request_id: MPV_REQUEST_ID_SUB_POS,
  },
  {
    command: ['get_property', 'sub-font-size'],
    request_id: MPV_REQUEST_ID_SUB_FONT_SIZE,
  },
  {
    command: ['get_property', 'sub-scale'],
    request_id: MPV_REQUEST_ID_SUB_SCALE,
  },
  {
    command: ['get_property', 'sub-margin-y'],
    request_id: MPV_REQUEST_ID_SUB_MARGIN_Y,
  },
  {
    command: ['get_property', 'sub-margin-x'],
    request_id: MPV_REQUEST_ID_SUB_MARGIN_X,
  },
  {
    command: ['get_property', 'sub-font'],
    request_id: MPV_REQUEST_ID_SUB_FONT,
  },
  {
    command: ['get_property', 'sub-spacing'],
    request_id: MPV_REQUEST_ID_SUB_SPACING,
  },
  {
    command: ['get_property', 'sub-bold'],
    request_id: MPV_REQUEST_ID_SUB_BOLD,
  },
  {
    command: ['get_property', 'sub-italic'],
    request_id: MPV_REQUEST_ID_SUB_ITALIC,
  },
  {
    command: ['get_property', 'sub-scale-by-window'],
    request_id: MPV_REQUEST_ID_SUB_SCALE_BY_WINDOW,
  },
  {
    command: ['get_property', 'osd-height'],
    request_id: MPV_REQUEST_ID_OSD_HEIGHT,
  },
  {
    command: ['get_property', 'osd-dimensions'],
    request_id: MPV_REQUEST_ID_OSD_DIMENSIONS,
  },
  {
    command: ['get_property', 'sub-border-size'],
    request_id: MPV_REQUEST_ID_SUB_BORDER_SIZE,
  },
  {
    command: ['get_property', 'sub-shadow-offset'],
    request_id: MPV_REQUEST_ID_SUB_SHADOW_OFFSET,
  },
  {
    command: ['get_property', 'sub-ass-override'],
    request_id: MPV_REQUEST_ID_SUB_ASS_OVERRIDE,
  },
  {
    command: ['get_property', 'sub-use-margins'],
    request_id: MPV_REQUEST_ID_SUB_USE_MARGINS,
  },
];

export function subscribeToMpvProperties(send: MpvSendCommand): void {
  MPV_SUBTITLE_PROPERTY_OBSERVATIONS.forEach((property, index) => {
    send({ command: ['observe_property', index + 1, property] });
  });
}

export function requestMpvInitialState(send: MpvSendCommand): void {
  MPV_INITIAL_PROPERTY_REQUESTS.forEach((payload) => {
    send(payload);
  });
}