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							79 lines
						
					
					
						
							2.9 KiB
						
					
					
				
			
		
		
	
	
							79 lines
						
					
					
						
							2.9 KiB
						
					
					
				#include <cassert>
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#include "selfdrive/loggerd/encoder/encoder.h"
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VideoEncoder::~VideoEncoder() {}
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void VideoEncoder::publisher_init() {
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  // publish
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  service_name = this->type == DriverCam ? "driverEncodeData" :
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    (this->type == WideRoadCam ? "wideRoadEncodeData" :
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    (this->in_width == this->out_width ? "roadEncodeData" : "qRoadEncodeData"));
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  pm.reset(new PubMaster({service_name}));
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}
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void VideoEncoder::publisher_publish(VideoEncoder *e, int segment_num, uint32_t idx, VisionIpcBufExtra &extra,
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                                     unsigned int flags, kj::ArrayPtr<capnp::byte> header, kj::ArrayPtr<capnp::byte> dat) {
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  // broadcast packet
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  MessageBuilder msg;
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  auto event = msg.initEvent(true);
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  auto edat = (e->type == DriverCam) ? event.initDriverEncodeData() :
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    ((e->type == WideRoadCam) ? event.initWideRoadEncodeData() :
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    (e->in_width == e->out_width ? event.initRoadEncodeData() : event.initQRoadEncodeData()));
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  auto edata = edat.initIdx();
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  edata.setFrameId(extra.frame_id);
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  edata.setTimestampSof(extra.timestamp_sof);
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  edata.setTimestampEof(extra.timestamp_eof);
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  edata.setType(e->codec);
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  edata.setEncodeId(idx);
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  edata.setSegmentNum(segment_num);
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  edata.setSegmentId(idx);
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  edata.setFlags(flags);
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  edata.setLen(dat.size());
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  edat.setData(dat);
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  if (flags & V4L2_BUF_FLAG_KEYFRAME) edat.setHeader(header);
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  auto words = new kj::Array<capnp::word>(capnp::messageToFlatArray(msg));
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  auto bytes = words->asBytes();
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  e->pm->send(e->service_name, bytes.begin(), bytes.size());
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  if (e->write) {
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    e->to_write.push(words);
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  } else {
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    delete words;
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  }
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}
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// TODO: writing should be moved to loggerd
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void VideoEncoder::write_handler(VideoEncoder *e, const char *path) {
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  VideoWriter writer(path, e->filename, e->codec != cereal::EncodeIndex::Type::FULL_H_E_V_C, e->out_width, e->out_height, e->fps, e->codec);
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  bool first = true;
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  kj::Array<capnp::word>* out_buf;
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  while ((out_buf = e->to_write.pop())) {
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    capnp::FlatArrayMessageReader cmsg(*out_buf);
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    cereal::Event::Reader event = cmsg.getRoot<cereal::Event>();
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    auto edata = (e->type == DriverCam) ? event.getDriverEncodeData() :
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      ((e->type == WideRoadCam) ? event.getWideRoadEncodeData() :
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      (e->in_width == e->out_width ? event.getRoadEncodeData() : event.getQRoadEncodeData()));
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    auto idx = edata.getIdx();
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    auto flags = idx.getFlags();
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    if (first) {
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      assert(flags & V4L2_BUF_FLAG_KEYFRAME);
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      auto header = edata.getHeader();
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      writer.write((uint8_t *)header.begin(), header.size(), idx.getTimestampEof()/1000, true, false);
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      first = false;
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    }
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    // dangerous cast from const, but should be fine
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    auto data = edata.getData();
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    if (data.size() > 0) {
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      writer.write((uint8_t *)data.begin(), data.size(), idx.getTimestampEof()/1000, false, flags & V4L2_BUF_FLAG_KEYFRAME);
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    }
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    // free the data
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    delete out_buf;
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  }
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  // VideoWriter is freed on out of scope
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}
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