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/*
 * libjingle
 * Copyright 2004 Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef TALK_SESSION_PHONE_FAKEWEBRTCVIDEOCAPTUREMODULE_H_
#define TALK_SESSION_PHONE_FAKEWEBRTCVIDEOCAPTUREMODULE_H_

#include <vector>

#include "talk/media/base/testutils.h"
#include "talk/media/webrtc/fakewebrtcdeviceinfo.h"
#include "talk/media/webrtc/webrtcvideocapturer.h"

class FakeWebRtcVcmFactory;

// Fake class for mocking out webrtc::VideoCaptureModule.
class FakeWebRtcVideoCaptureModule : public webrtc::VideoCaptureModule {
 public:
  FakeWebRtcVideoCaptureModule(FakeWebRtcVcmFactory* factory, int32_t id)
      : factory_(factory),
        id_(id),
        callback_(NULL),
        running_(false),
        delay_(0) {
  }
  int64_t TimeUntilNextProcess() override { return 0; }
  int32_t Process() override { return 0; }
  void RegisterCaptureDataCallback(
      webrtc::VideoCaptureDataCallback& callback) override {
    callback_ = &callback;
  }
  void DeRegisterCaptureDataCallback() override { callback_ = NULL; }
  void RegisterCaptureCallback(
      webrtc::VideoCaptureFeedBack& callback) override {
    // Not implemented.
  }
  void DeRegisterCaptureCallback() override {
    // Not implemented.
  }
  void SetCaptureDelay(int32_t delay) override { delay_ = delay; }
  int32_t CaptureDelay() override { return delay_; }
  void EnableFrameRateCallback(const bool enable) override {
    // not implemented
  }
  void EnableNoPictureAlarm(const bool enable) override {
    // not implemented
  }
  int32_t StartCapture(const webrtc::VideoCaptureCapability& cap) override {
    if (running_) return -1;
    cap_ = cap;
    running_ = true;
    return 0;
  }
  int32_t StopCapture() override {
    running_ = false;
    return 0;
  }
  const char* CurrentDeviceName() const override {
    return NULL;  // not implemented
  }
  bool CaptureStarted() override { return running_; }
  int32_t CaptureSettings(webrtc::VideoCaptureCapability& settings) override {
    if (!running_) return -1;
    settings = cap_;
    return 0;
  }

  int32_t SetCaptureRotation(webrtc::VideoRotation rotation) override {
    return -1;  // not implemented
  }
  bool SetApplyRotation(bool enable) override {
    return false;  // not implemented
  }
  bool GetApplyRotation() override {
    return true;  // Rotation compensation is turned on.
  }
  VideoCaptureEncodeInterface* GetEncodeInterface(
      const webrtc::VideoCodec& codec) override {
    return NULL;  // not implemented
  }
  int32_t AddRef() const override { return 0; }
  int32_t Release() const override {
    delete this;
    return 0;
  }

  bool SendFrame(int w, int h) {
    if (!running_) return false;
    webrtc::VideoFrame sample;
    // Setting stride based on width.
    if (sample.CreateEmptyFrame(w, h, w, (w + 1) / 2, (w + 1) / 2) < 0) {
      return false;
    }
    if (callback_) {
      callback_->OnIncomingCapturedFrame(id_, sample);
    }
    return true;
  }

  const webrtc::VideoCaptureCapability& cap() const {
    return cap_;
  }

 private:
  // Ref-counted, use Release() instead.
  ~FakeWebRtcVideoCaptureModule();

  FakeWebRtcVcmFactory* factory_;
  int id_;
  webrtc::VideoCaptureDataCallback* callback_;
  bool running_;
  webrtc::VideoCaptureCapability cap_;
  int delay_;
};

#endif  // TALK_SESSION_PHONE_FAKEWEBRTCVIDEOCAPTUREMODULE_H_