homebridge#SnapshotRequestCallback TypeScript Examples

The following examples show how to use homebridge#SnapshotRequestCallback. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: streaming-delegate.ts From homebridge-nest-cam with GNU General Public License v3.0

6 votes

private getOfflineImage(callback: SnapshotRequestCallback): void {
    const log = this.log;
    readFile(join(__dirname, `../images/offline.jpg`), (err, data) => {
      if (err) {
        log.error(err.message);
        callback(err);
      } else {
        callback(undefined, data);
      }
    });
  }

Example #2

Source File: streaming-delegate.ts From homebridge-nest-cam with GNU General Public License v3.0

6 votes

handleSnapshotRequest(request: SnapshotRequest, callback: SnapshotRequestCallback): void {
    if (this.camera.info.properties['streaming.enabled']) {
      this.camera
        .getSnapshot(request.height)
        .then((snapshot) => {
          callback(undefined, snapshot);
        })
        .catch((error) => {
          handleError(this.log, error, `Error fetching snapshot for ${this.camera.info.name}`);
          callback(error);
        });
    } else {
      this.getOfflineImage(callback);
    }
  }

Example #3

Source File: streamingDelegate.ts From homebridge-eufy-security with Apache License 2.0

6 votes

async handleSnapshotRequest(request: SnapshotRequest, callback: SnapshotRequestCallback): Promise<void> {
    const resolution = this.determineResolution(request, true);

    try {
      const cachedSnapshot = !!this.snapshotPromise;

      this.log.debug('Snapshot requested: ' + request.width + ' x ' + request.height,
        this.cameraName, this.videoConfig.debug);

      const snapshot = await (this.snapshotPromise || this.fetchSnapshot(resolution.snapFilter));

      this.log.debug('Sending snapshot: ' + (resolution.width > 0 ? resolution.width : 'native') + ' x ' +
        (resolution.height > 0 ? resolution.height : 'native') +
        (cachedSnapshot ? ' (cached)' : ''), this.cameraName, this.videoConfig.debug);

      const resized = await this.resizeSnapshot(snapshot, resolution.resizeFilter);
      callback(undefined, resized);
    } catch (Error) {
      this.log.error(Error as string, this.cameraName);
      callback(Error as Error);
    }
  }

Example #4

Source File: new-streaming-delegate.ts From homebridge-plugin-eufy-security with Apache License 2.0

5 votes

handleSnapshotRequest(
    request: SnapshotRequest,
    callback: SnapshotRequestCallback,
  ): void {
    const resolution = this.determineResolution(request, true);

    this.log.debug(
      'Snapshot requested: ' + request.width + ' x ' + request.height,
      this.cameraName,
      this.debug,
    );
    this.log.debug(
      'Sending snapshot: ' +
        (resolution.width > 0 ? resolution.width : 'native') +
        ' x ' +
        (resolution.height > 0 ? resolution.height : 'native'),
      this.cameraName,
      this.debug,
    );

    // get device info
    this.platform.httpService
      .listDevices({
        device_sn: this.device.device_sn,
      })
      .then(([device]) => {
        //   let ffmpegArgs = this.videoConfig.stillImageSource || this.videoConfig.source;
        let ffmpegArgs = `-i ${device.cover_path}`;

        ffmpegArgs += // Still
          ' -frames:v 1' +
          (resolution.videoFilter
            ? ' -filter:v ' + resolution.videoFilter
            : '') +
          ' -f image2 -';

        try {
          const ffmpeg = spawn(this.videoProcessor, ffmpegArgs.split(/\s+/), {
            env: process.env,
          });

          let imageBuffer = Buffer.alloc(0);
          this.log.debug(
            'Snapshot command: ' + this.videoProcessor + ' ' + ffmpegArgs,
            this.cameraName,
            this.debug,
          );
          ffmpeg.stdout.on('data', (data: Uint8Array) => {
            imageBuffer = Buffer.concat([imageBuffer, data]);
          });
          const log = this.log;
          ffmpeg.on('error', (error: string) => {
            log.error(
              'An error occurred while making snapshot request: ' + error,
              this.cameraName,
            );
          });
          ffmpeg.on('close', () => {
            callback(undefined, imageBuffer);
          });
        } catch (err) {
          this.log.error(err, this.cameraName);
          callback(err);
        }
      });
  }