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      1 /*
      2  * libjingle
      3  * Copyright 2004 Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef TALK_SESSION_PHONE_FAKEWEBRTCVIDEOCAPTUREMODULE_H_
     29 #define TALK_SESSION_PHONE_FAKEWEBRTCVIDEOCAPTUREMODULE_H_
     30 
     31 #include <vector>
     32 
     33 #include "talk/media/base/testutils.h"
     34 #include "talk/media/webrtc/fakewebrtcdeviceinfo.h"
     35 #include "talk/media/webrtc/webrtcvideocapturer.h"
     36 
     37 class FakeWebRtcVcmFactory;
     38 
     39 // Fake class for mocking out webrtc::VideoCaptureModule.
     40 class FakeWebRtcVideoCaptureModule : public webrtc::VideoCaptureModule {
     41  public:
     42   FakeWebRtcVideoCaptureModule(FakeWebRtcVcmFactory* factory, int32_t id)
     43       : factory_(factory),
     44         id_(id),
     45         callback_(NULL),
     46         running_(false),
     47         delay_(0) {
     48   }
     49   int64_t TimeUntilNextProcess() override { return 0; }
     50   int32_t Process() override { return 0; }
     51   void RegisterCaptureDataCallback(
     52       webrtc::VideoCaptureDataCallback& callback) override {
     53     callback_ = &callback;
     54   }
     55   void DeRegisterCaptureDataCallback() override { callback_ = NULL; }
     56   void RegisterCaptureCallback(
     57       webrtc::VideoCaptureFeedBack& callback) override {
     58     // Not implemented.
     59   }
     60   void DeRegisterCaptureCallback() override {
     61     // Not implemented.
     62   }
     63   void SetCaptureDelay(int32_t delay) override { delay_ = delay; }
     64   int32_t CaptureDelay() override { return delay_; }
     65   void EnableFrameRateCallback(const bool enable) override {
     66     // not implemented
     67   }
     68   void EnableNoPictureAlarm(const bool enable) override {
     69     // not implemented
     70   }
     71   int32_t StartCapture(const webrtc::VideoCaptureCapability& cap) override {
     72     if (running_) return -1;
     73     cap_ = cap;
     74     running_ = true;
     75     return 0;
     76   }
     77   int32_t StopCapture() override {
     78     running_ = false;
     79     return 0;
     80   }
     81   const char* CurrentDeviceName() const override {
     82     return NULL;  // not implemented
     83   }
     84   bool CaptureStarted() override { return running_; }
     85   int32_t CaptureSettings(webrtc::VideoCaptureCapability& settings) override {
     86     if (!running_) return -1;
     87     settings = cap_;
     88     return 0;
     89   }
     90 
     91   int32_t SetCaptureRotation(webrtc::VideoRotation rotation) override {
     92     return -1;  // not implemented
     93   }
     94   bool SetApplyRotation(bool enable) override {
     95     return false;  // not implemented
     96   }
     97   bool GetApplyRotation() override {
     98     return true;  // Rotation compensation is turned on.
     99   }
    100   VideoCaptureEncodeInterface* GetEncodeInterface(
    101       const webrtc::VideoCodec& codec) override {
    102     return NULL;  // not implemented
    103   }
    104   int32_t AddRef() const override { return 0; }
    105   int32_t Release() const override {
    106     delete this;
    107     return 0;
    108   }
    109 
    110   bool SendFrame(int w, int h) {
    111     if (!running_) return false;
    112     webrtc::VideoFrame sample;
    113     // Setting stride based on width.
    114     if (sample.CreateEmptyFrame(w, h, w, (w + 1) / 2, (w + 1) / 2) < 0) {
    115       return false;
    116     }
    117     if (callback_) {
    118       callback_->OnIncomingCapturedFrame(id_, sample);
    119     }
    120     return true;
    121   }
    122 
    123   const webrtc::VideoCaptureCapability& cap() const {
    124     return cap_;
    125   }
    126 
    127  private:
    128   // Ref-counted, use Release() instead.
    129   ~FakeWebRtcVideoCaptureModule();
    130 
    131   FakeWebRtcVcmFactory* factory_;
    132   int id_;
    133   webrtc::VideoCaptureDataCallback* callback_;
    134   bool running_;
    135   webrtc::VideoCaptureCapability cap_;
    136   int delay_;
    137 };
    138 
    139 #endif  // TALK_SESSION_PHONE_FAKEWEBRTCVIDEOCAPTUREMODULE_H_
    140