adds chapters in media information object, fixes #196

Author: tanersener

react-native/src/index.d.ts

@@ -299,6 +299,8 @@ declare module 'ffmpeg-kit-react-native' {
 
     getStreams(): Array<StreamInformation>;
 
+    getChapters(): Array<Chapter>;
+
     getStringProperty(key: string): string;
 
     getNumberProperty(key: string): number;
@@ -535,4 +537,40 @@ declare module 'ffmpeg-kit-react-native' {
 
   }
 
+  export class Chapter {
+
+    static readonly KEY_ID: string;
+    static readonly KEY_TIME_BASE: string;
+    static readonly KEY_START: string;
+    static readonly KEY_START_TIME: string;
+    static readonly KEY_END: string;
+    static readonly KEY_END_TIME: string;
+    static readonly KEY_TAGS: string;
+
+    constructor(properties: Record<string, any>);
+
+    getId(): number;
+
+    getTimeBase(): string;
+
+    getStart(): number;
+
+    getStartTime(): string;
+
+    getEnd(): number;
+
+    getEndTime(): string;
+
+    getTags(): Record<string, any>;
+
+    getStringProperty(key): string;
+
+    getNumberProperty(key): number;
+
+    getProperties(key): Record<string, any>;
+
+    getAllProperties(): Record<string, any>;
+
+  }
+
 }

react-native/src/index.js

@@ -1876,7 +1876,7 @@ export class FFprobeKit {
    * @return media information session created for this execution
    */
   static async getMediaInformationAsync(path, executeCallback, logCallback, waitTimeout) {
-    const commandArguments = ["-v", "error", "-hide_banner", "-print_format", "json", "-show_format", "-show_streams", "-i", path];
+    const commandArguments = ["-v", "error", "-hide_banner", "-print_format", "json", "-show_format", "-show_streams", "-show_chapters", "-i", path];
     return FFprobeKit.getMediaInformationFromCommandArgumentsAsync(commandArguments, executeCallback, logCallback, waitTimeout);
   }
 
@@ -2221,6 +2221,28 @@ export class MediaInformation {
     return list;
   }
 
+  /**
+   * Returns the chapters found as array.
+   *
+   * @returns Chapter array
+   */
+  getChapters() {
+    let list = [];
+    let chapterList;
+
+    if (this.#allProperties !== undefined) {
+      chapterList = this.#allProperties.chapters;
+    }
+
+    if (chapterList !== undefined) {
+      chapterList.forEach((chapter) => {
+        list.push(new Chapter(chapter));
+      });
+    }
+
+    return list;
+  }
+
   /**
    * Returns the media property associated with the key.
    *
@@ -2788,3 +2810,137 @@ export class StreamInformation {
     return this.#allProperties;
   }
 }
+
+/**
+ * Chapter class.
+ */
+export class Chapter {
+
+  static KEY_ID = "id";
+  static KEY_TIME_BASE = "time_base";
+  static KEY_START = "start";
+  static KEY_START_TIME = "start_time";
+  static KEY_END = "end";
+  static KEY_END_TIME = "end_time";
+  static KEY_TAGS = "tags";
+
+  #allProperties;
+
+  constructor(properties) {
+    this.#allProperties = properties;
+  }
+
+  /**
+   * Returns id.
+   *
+   * @return id
+   */
+  getId() {
+    return this.getNumberProperty(Chapter.KEY_ID);
+  }
+
+  /**
+   * Returns time base.
+   *
+   * @return time base
+   */
+  getTimeBase() {
+    return this.getStringProperty(Chapter.KEY_TIME_BASE);
+  }
+
+  /**
+   * Returns start.
+   *
+   * @return start
+   */
+  getStart() {
+    return this.getNumberProperty(Chapter.KEY_START);
+  }
+
+  /**
+   * Returns start time.
+   *
+   * @return start time
+   */
+  getStartTime() {
+    return this.getStringProperty(Chapter.KEY_START_TIME);
+  }
+
+  /**
+   * Returns end.
+   *
+   * @return end
+   */
+  getEnd() {
+    return this.getNumberProperty(Chapter.KEY_END);
+  }
+
+  /**
+   * Returns end time.
+   *
+   * @return end time
+   */
+  getEndTime() {
+    return this.getStringProperty(Chapter.KEY_END_TIME);
+  }
+
+  /**
+   * Returns all tags.
+   *
+   * @return tags object
+   */
+  getTags() {
+    return this.getProperties(StreamInformation.KEY_TAGS);
+  }
+
+  /**
+   * Returns the chapter property associated with the key.
+   *
+   * @param key property key
+   * @return chapter property as string or undefined if the key is not found
+   */
+  getStringProperty(key) {
+    if (this.#allProperties !== undefined) {
+      return this.#allProperties[key];
+    } else {
+      return undefined;
+    }
+  }
+
+  /**
+   * Returns the chapter property associated with the key.
+   *
+   * @param key property key
+   * @return chapter property as number or undefined if the key is not found
+   */
+  getNumberProperty(key) {
+    if (this.#allProperties !== undefined) {
+      return this.#allProperties[key];
+    } else {
+      return undefined;
+    }
+  }
+
+  /**
+   * Returns the chapter properties associated with the key.
+   *
+   * @param key properties key
+   * @return chapter properties as an object or undefined if the key is not found
+   */
+  getProperties(key) {
+    if (this.#allProperties !== undefined) {
+      return this.#allProperties[key];
+    } else {
+      return undefined;
+    }
+  }
+
+  /**
+   * Returns all properties found.
+   *
+   * @returns an object in which properties can be accessed by property names
+   */
+  getAllProperties() {
+    return this.#allProperties;
+  }
+}