text: /*
   *  Copyright (c) 2010 The WebRTC project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #ifndef MEDIA_ENGINE_FAKEWEBRTCVIDEOENGINE_H_
  #define MEDIA_ENGINE_FAKEWEBRTCVIDEOENGINE_H_
  
  #include <stddef.h>
  #include <stdint.h>
  #include <memory>
  #include <string>
  #include <vector>
  
  #include "api/video/encoded_image.h"
  #include "api/video/video_bitrate_allocation.h"
  #include "api/video/video_frame.h"
  #include "api/video_codecs/sdp_video_format.h"
  #include "api/video_codecs/video_codec.h"
  #include "api/video_codecs/video_decoder.h"
  #include "api/video_codecs/video_decoder_factory.h"
  #include "api/video_codecs/video_encoder.h"
  #include "api/video_codecs/video_encoder_factory.h"
  #include "common_types.h"  // NOLINT(build/include)
  #include "modules/video_coding/include/video_codec_interface.h"
  #include "rtc_base/criticalsection.h"
  #include "rtc_base/event.h"
  #include "rtc_base/thread_annotations.h"
  
  namespace cricket {
  
  class FakeWebRtcVideoDecoderFactory;
  class FakeWebRtcVideoEncoderFactory;
  
  // Fake class for mocking out webrtc::VideoDecoder
  class FakeWebRtcVideoDecoder : public webrtc::VideoDecoder {
   public:
    explicit FakeWebRtcVideoDecoder(FakeWebRtcVideoDecoderFactory* factory);
    ~FakeWebRtcVideoDecoder();
  
    int32_t InitDecode(const webrtc::VideoCodec*, int32_t) override;
    int32_t Decode(const webrtc::EncodedImage&,
                   bool,
                   const webrtc::CodecSpecificInfo*,
                   int64_t) override;
    int32_t RegisterDecodeCompleteCallback(
        webrtc::DecodedImageCallback*) override;
    int32_t Release() override;
  
    int GetNumFramesReceived() const;
  
   private:
    int num_frames_received_;
    FakeWebRtcVideoDecoderFactory* factory_;
  };
  
  // Fake class for mocking out webrtc::VideoDecoderFactory.
  class FakeWebRtcVideoDecoderFactory : public webrtc::VideoDecoderFactory {
   public:
    FakeWebRtcVideoDecoderFactory();
  
    std::vector<webrtc::SdpVideoFormat> GetSupportedFormats() const override;
    std::unique_ptr<webrtc::VideoDecoder> CreateVideoDecoder(
        const webrtc::SdpVideoFormat& format) override;
  
    void DecoderDestroyed(FakeWebRtcVideoDecoder* decoder);
    void AddSupportedVideoCodecType(const webrtc::SdpVideoFormat& format);
    int GetNumCreatedDecoders();
    const std::vector<FakeWebRtcVideoDecoder*>& decoders();
  
   private:
    std::vector<webrtc::SdpVideoFormat> supported_codec_formats_;
    std::vector<FakeWebRtcVideoDecoder*> decoders_;
    int num_created_decoders_;
  };
  
  // Fake class for mocking out webrtc::VideoEnoder
  class FakeWebRtcVideoEncoder : public webrtc::VideoEncoder {
   public:
    explicit FakeWebRtcVideoEncoder(FakeWebRtcVideoEncoderFactory* factory);
    ~FakeWebRtcVideoEncoder();
  
    int32_t InitEncode(const webrtc::VideoCodec* codecSettings,
                       int32_t numberOfCores,
                       size_t maxPayloadSize) override;
    int32_t Encode(const webrtc::VideoFrame& inputImage,
                   const webrtc::CodecSpecificInfo* codecSpecificInfo,
                   const std::vector<webrtc::FrameType>* frame_types) override;
    int32_t RegisterEncodeCompleteCallback(
        webrtc::EncodedImageCallback* callback) override;
    int32_t Release() override;
    int32_t SetRateAllocation(const webrtc::VideoBitrateAllocation& allocation,
                              uint32_t framerate) override;
    webrtc::VideoEncoder::EncoderInfo GetEncoderInfo() const override;
  
    bool WaitForInitEncode();
    webrtc::VideoCodec GetCodecSettings();
    int GetNumEncodedFrames();
  
   private:
    rtc::CriticalSection crit_;
    rtc::Event init_encode_event_;
    int num_frames_encoded_ RTC_GUARDED_BY(crit_);
    webrtc::VideoCodec codec_settings_ RTC_GUARDED_BY(crit_);
    FakeWebRtcVideoEncoderFactory* factory_;
  };
  
  // Fake class for mocking out webrtc::VideoEncoderFactory.
  class FakeWebRtcVideoEncoderFactory : public webrtc::VideoEncoderFactory {
   public:
    FakeWebRtcVideoEncoderFactory();
  
    std::vector<webrtc::SdpVideoFormat> GetSupportedFormats() const override;
    std::unique_ptr<webrtc::VideoEncoder> CreateVideoEncoder(
        const webrtc::SdpVideoFormat& format) override;
  
    bool WaitForCreatedVideoEncoders(int num_encoders);
    void EncoderDestroyed(FakeWebRtcVideoEncoder* encoder);
    void set_encoders_have_internal_sources(bool internal_source);
    void AddSupportedVideoCodec(const webrtc::SdpVideoFormat& format);
    void AddSupportedVideoCodecType(const std::string& name);
    int GetNumCreatedEncoders();
    const std::vector<FakeWebRtcVideoEncoder*> encoders();
  
   private:
    rtc::CriticalSection crit_;
    rtc::Event created_video_encoder_event_;
    std::vector<webrtc::SdpVideoFormat> formats_;
    std::vector<FakeWebRtcVideoEncoder*> encoders_ RTC_GUARDED_BY(crit_);
    int num_created_encoders_ RTC_GUARDED_BY(crit_);
    bool encoders_have_internal_sources_;
    bool vp8_factory_mode_;
  };
  
  }  // namespace cricket
  
  #endif  // MEDIA_ENGINE_FAKEWEBRTCVIDEOENGINE_H_
  