syntax = "proto2";

package content.fuzzing.video_capture_host.proto;

import "media/capture/mojom/video_capture.mojom.mojolpm.proto";

// Bind a new VideoCaptureHost remote
message NewVideoCaptureHostAction {
  required uint32 id = 1;
  required uint32 render_process_id = 2;
  required uint32 routing_id = 3;
}

// A wrapper message for all remote actions. It requires further specifying
// the `render_process_id` and `device_index` to identify which session id to
// inject into the call. So the call correctly acts for a specific device.
message VideoCaptureHostDeviceRemoteAction {
  required uint32 render_process_id = 1;
  required uint32 device_index = 2;
  required mojolpm.media.mojom.VideoCaptureHost.RemoteAction remote_action = 3;
}

// Run the specific sequence for (an indeterminate) period. This is not
// intended to create a specific ordering, but to allow the fuzzer to delay a
// later task until previous tasks have completed.
message RunThreadAction {
  enum ThreadId {
    IO = 0;
    UI = 1;
  }

  required ThreadId id = 1;
}

// Actions that can be performed by the fuzzer.
message Action {
  oneof action {
    RunThreadAction run_thread = 1;

    NewVideoCaptureHostAction new_video_capture_host = 2;
    VideoCaptureHostDeviceRemoteAction video_capture_host_device_remote_action =
        3;
    mojolpm.media.mojom.VideoCaptureObserver.ReceiverAction
        video_capture_observer_receiver_action = 4;
  }
}

// Sequence provides a level of indirection which allows Testcase to compactly
// express repeated sequences of actions.
message Sequence {
  repeated uint32 action_indexes = 1 [packed = true];
}

// Testcase is the top-level message type interpreted by the fuzzer.
message Testcase {
  repeated Action actions = 1;
  repeated Sequence sequences = 2;
  repeated uint32 sequence_indexes = 3 [packed = true];
}