camera/mojo/ip/ip_camera.mojom

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module cros.mojom;

enum PixelFormat {
  YUV_420,
  JPEG,
};

struct IpCameraStream {
  PixelFormat format;
  int32 width;
  int32 height;
  double fps;
};

interface IpCameraFrameListener {
  OnFrameCaptured(handle<shared_buffer> shm_handle, int32 id, uint32 size);
};

interface IpCameraDevice {
  // Only a single listener is supported. Registering a new one will replace any
  // existing listener.
  RegisterFrameListener(pending_remote<IpCameraFrameListener> listener);

  StartStreaming(IpCameraStream stream);
  StopStreaming();

  ReturnBuffer(int32 id);
};

interface IpCameraConnectionListener {
  OnDeviceConnected(string ip, string name,
                    pending_remote<IpCameraDevice> device,
                    array<IpCameraStream> streams);
  OnDeviceDisconnected(string ip);
};

interface IpCameraDetector {
  // Only a single listener is supported. Registering a new one will replace any
  // existing listener.
  RegisterConnectionListener(
      pending_remote<IpCameraConnectionListener> listener);
};

interface IpCameraProxy {
  Init(pending_receiver<IpCameraDevice> device_receiver)
      => (bool success, array<IpCameraStream> streams);
  Destroy();
};