openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

84 lines
3.4 KiB

#include "selfdrive/loggerd/loggerd.h"
#include "selfdrive/loggerd/remote_encoder.h"
int handle_encoder_msg(LoggerdState *s, Message *msg, std::string &name, struct RemoteEncoder &re) {
const LogCameraInfo &cam_info = (name == "driverEncodeData") ? cameras_logged[1] :
((name == "wideRoadEncodeData") ? cameras_logged[2] :
((name == "qRoadEncodeData") ? qcam_info : cameras_logged[0]));
if (!cam_info.record) return 0; // TODO: handle this by not subscribing
int bytes_count = 0;
// TODO: AlignedBuffer is making a copy and allocing
//AlignedBuffer aligned_buf;
//capnp::FlatArrayMessageReader cmsg(aligned_buf.align(msg->getData(), msg->getSize()));
capnp::FlatArrayMessageReader cmsg(kj::ArrayPtr<capnp::word>((capnp::word *)msg->getData(), msg->getSize()));
auto event = cmsg.getRoot<cereal::Event>();
auto edata = (name == "driverEncodeData") ? event.getDriverEncodeData() :
((name == "wideRoadEncodeData") ? event.getWideRoadEncodeData() :
((name == "qRoadEncodeData") ? event.getQRoadEncodeData() : event.getRoadEncodeData()));
auto idx = edata.getIdx();
auto flags = idx.getFlags();
// rotation happened, process the queue (happens before the current message)
if (re.logger_segment != s->rotate_segment) {
re.logger_segment = s->rotate_segment;
for (auto &qmsg: re.q) {
bytes_count += handle_encoder_msg(s, qmsg, name, re);
}
re.q.clear();
}
if (!re.writer) {
// only create on iframe
if (flags & V4L2_BUF_FLAG_KEYFRAME) {
if (re.dropped_frames) {
// this should only happen for the first segment, maybe
LOGD("%s: dropped %d non iframe packets before init", name.c_str(), re.dropped_frames);
re.dropped_frames = 0;
}
re.writer.reset(new VideoWriter(s->segment_path,
cam_info.filename, !cam_info.is_h265,
cam_info.frame_width, cam_info.frame_height,
cam_info.fps, cam_info.is_h265, false));
// write the header
auto header = edata.getHeader();
re.writer->write((uint8_t *)header.begin(), header.size(), idx.getTimestampEof()/1000, true, false);
re.segment = idx.getSegmentNum();
} else {
++re.dropped_frames;
return bytes_count;
}
}
if (re.segment != idx.getSegmentNum()) {
if (re.writer) {
// encoder is on the next segment, this segment is over so we close the videowriter
re.writer.reset();
++s->ready_to_rotate;
LOGD("rotate %d -> %d ready %d/%d", re.segment, idx.getSegmentNum(), s->ready_to_rotate.load(), s->max_waiting);
}
// queue up all the new segment messages, they go in after the rotate
re.q.push_back(msg);
} else {
auto data = edata.getData();
re.writer->write((uint8_t *)data.begin(), data.size(), idx.getTimestampEof()/1000, false, flags & V4L2_BUF_FLAG_KEYFRAME);
// put it in log stream as the idx packet
MessageBuilder bmsg;
auto evt = bmsg.initEvent(event.getValid());
evt.setLogMonoTime(event.getLogMonoTime());
if (name == "driverEncodeData") { evt.setDriverEncodeIdx(idx); }
if (name == "wideRoadEncodeData") { evt.setWideRoadEncodeIdx(idx); }
if (name == "qRoadEncodeData") { evt.setQRoadEncodeIdx(idx); }
if (name == "roadEncodeData") { evt.setRoadEncodeIdx(idx); }
auto new_msg = bmsg.toBytes();
logger_log(&s->logger, (uint8_t *)new_msg.begin(), new_msg.size(), true); // always in qlog?
delete msg;
bytes_count += new_msg.size();
}
return bytes_count;
}