Vehicle-cpp/ZJ_PRO/webrtcinterop/jetson_nv_encoder.h

// #ifndef MODULES_NV_VIDEO_CODING_CODECS_H264_ENCODER_IMPL_H_
// #define MODULES_NV_VIDEO_CODING_CODECS_H264_ENCODER_IMPL_H_

// #include <memory>
// #include <vector>
// #include <string.h>

// #include "api/video/i420_buffer.h"
// #include "common_video/h264/h264_bitstream_parser.h"
// #include "modules/video_coding/codecs/h264/include/h264.h"
// #include "modules/video_coding/utility/quality_scaler.h"
// #include "third_party/openh264/src/codec/api/svc/codec_app_def.h"

// // #include <dxgi.h>
// // #include <d3d11.h>
// // #include <dxgi1_2.h>

// // #include "encoder/nvidia_d3d11_encoder.h"

// namespace webrtc {

// class NvEncoder : public VideoEncoder {
// public:
// 	struct LayerConfig 
// 	{
// 		int simulcast_idx = 0;
// 		int width = -1;
// 		int height = -1;
// 		bool sending = true;
// 		bool key_frame_request = false;
// 		float max_frame_rate = 0;
// 		uint32_t target_bps = 0;
// 		uint32_t max_bps = 0;
// 		bool frame_dropping_on = false;
// 		int key_frame_interval = 0;

// 		void SetStreamState(bool send_stream);
// 	};

// public:
// 	explicit NvEncoder(const cricket::VideoCodec& codec);
// 	~NvEncoder() override;

// 	int32_t InitEncode(const VideoCodec* codec_settings,
// 						int32_t number_of_cores,
// 						size_t max_payload_size) override;
// 	int32_t Release() override;

// 	int32_t RegisterEncodeCompleteCallback(
// 		EncodedImageCallback* callback) override;

// 	void SetRates(const RateControlParameters& parameters) override;

// 	// The result of encoding - an EncodedImage and RTPFragmentationHeader - are
// 	// passed to the encode complete callback.
// 	int32_t Encode(const VideoFrame& frame,
// 				   const std::vector<VideoFrameType>* frame_types) override;

// 	EncoderInfo GetEncoderInfo() const override;

// 	// Exposed for testing.
// 	H264PacketizationMode PacketizationModeForTesting() const {
// 		return packetization_mode_;
// 	}

// private:
// 	webrtc::H264BitstreamParser h264_bitstream_parser_;
// 	// Reports statistics with histograms.
// 	void ReportInit();
// 	void ReportError();

// 	bool EncodeFrame(int index,const VideoFrame& input_frame,
// 					std::vector<uint8_t>& frame_packet);

// 	std::vector<void*> nv_encoders_;
// 	std::vector<LayerConfig> configurations_;
// 	std::vector<EncodedImage> encoded_images_;

// 	VideoCodec codec_;
// 	H264PacketizationMode packetization_mode_;
// 	size_t max_payload_size_;
// 	int32_t number_of_cores_;
// 	EncodedImageCallback* encoded_image_callback_;

// 	bool has_reported_init_;
// 	bool has_reported_error_;
// 	int video_format_;
// 	int num_temporal_layers_;
// 	uint8_t tl0sync_limit_;

// 	std::unique_ptr<uint8_t[]> image_buffer_;
// };

// }  // namespace webrtc

// #endif  // MODULES_NV_VIDEO_CODING_CODECS_H264_ENCODER_IMPL_H_


/*
 *  Copyright (c) 2015 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 JETSON_NV_ENCODER_H_
#define JETSON_NV_ENCODER_H_

// Everything declared in this header is only required when WebRTC is
// build with H264 support, please do not move anything out of the
// #ifdef unless needed and tested.
// #ifdef WEBRTC_USE_H264

#if defined(WEBRTC_WIN) && !defined(__clang__)
#error "See: bugs.webrtc.org/9213#c13."
#endif

#include <memory>
#include <vector>

#include "api/video/i420_buffer.h"
#include "api/video_codecs/video_encoder.h"
#include "common_video/h264/h264_bitstream_parser.h"
#include "modules/video_coding/codecs/h264/include/h264.h"
#include "modules/video_coding/utility/quality_scaler.h"
#include "third_party/openh264/src/codec/api/svc/codec_app_def.h"

#include "api/video/i420_buffer.h"
#include "modules/video_coding/include/video_error_codes.h"
#include "modules/video_coding/h264_sprop_parameter_sets.h"


class ISVCEncoder;

namespace webrtc {

class H264EncoderImpl_ : public H264Encoder {
 public:
  struct LayerConfig {
    int simulcast_idx = 0;
    int width = -1;
    int height = -1;
    bool sending = true;
    bool key_frame_request = false;
    float max_frame_rate = 0;
    uint32_t target_bps = 0;
    uint32_t max_bps = 0;
    bool frame_dropping_on = false;
    int key_frame_interval = 0;
    int num_temporal_layers = 1;

    void SetStreamState(bool send_stream);
  };

 public:
  explicit H264EncoderImpl_(const cricket::VideoCodec& codec);
  ~H264EncoderImpl_() override;

  // |settings.max_payload_size| is ignored.
  // The following members of |codec_settings| are used. The rest are ignored.
  // - codecType (must be kVideoCodecH264)
  // - targetBitrate
  // - maxFramerate
  // - width
  // - height
  int32_t InitEncode(const VideoCodec* codec_settings,
                     const VideoEncoder::Settings& settings) override;
  int32_t Release() override;

  int32_t RegisterEncodeCompleteCallback(
      EncodedImageCallback* callback) override;
  void SetRates(const RateControlParameters& parameters) override;

  // The result of encoding - an EncodedImage and CodecSpecificInfo - are
  // passed to the encode complete callback.
  int32_t Encode(const VideoFrame& frame,
                 const std::vector<VideoFrameType>* frame_types) override;

  EncoderInfo GetEncoderInfo() const override;

  // Exposed for testing.
  H264PacketizationMode PacketizationModeForTesting() const {
    return packetization_mode_;
  }

 private:
  SEncParamExt CreateEncoderParams(size_t i) const;

  webrtc::H264BitstreamParser h264_bitstream_parser_;
  // Reports statistics with histograms.
  void ReportInit();
  void ReportError();

  std::vector<ISVCEncoder*> encoders_;
  std::vector<SSourcePicture> pictures_;
  std::vector<rtc::scoped_refptr<I420Buffer>> downscaled_buffers_;
  std::vector<LayerConfig> configurations_;
  std::vector<EncodedImage> encoded_images_;

  VideoCodec codec_;
  H264PacketizationMode packetization_mode_;
  size_t max_payload_size_;
  int32_t number_of_cores_;
  EncodedImageCallback* encoded_image_callback_;

  bool has_reported_init_;
  bool has_reported_error_;

  std::vector<uint8_t> tl0sync_limit_;
};

}  // namespace webrtc

// #endif  // WEBRTC_USE_H264

#endif  // JETSON_NV_ENCODER_H_