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88 lines
2.8 KiB
88 lines
2.8 KiB
#include "selfdrive/ui/replay/camera.h"
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#include <cassert>
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#include <iostream>
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const int YUV_BUF_COUNT = 50;
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CameraServer::CameraServer(std::pair<int, int> camera_size[MAX_CAMERAS], bool send_yuv) : send_yuv(send_yuv) {
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for (int i = 0; i < MAX_CAMERAS; ++i) {
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std::tie(cameras_[i].width, cameras_[i].height) = camera_size[i];
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}
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startVipcServer();
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}
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CameraServer::~CameraServer() {
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for (auto &cam : cameras_) {
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if (cam.thread.joinable()) {
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cam.queue.push({});
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cam.thread.join();
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}
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}
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vipc_server_.reset(nullptr);
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}
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void CameraServer::startVipcServer() {
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vipc_server_.reset(new VisionIpcServer("camerad"));
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for (auto &cam : cameras_) {
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if (cam.width > 0 && cam.height > 0) {
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std::cout << "camera[" << cam.type << "] frame size " << cam.width << "x" << cam.height << std::endl;
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vipc_server_->create_buffers(cam.rgb_type, UI_BUF_COUNT, true, cam.width, cam.height);
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if (send_yuv) {
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vipc_server_->create_buffers(cam.yuv_type, YUV_BUF_COUNT, false, cam.width, cam.height);
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}
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if (!cam.thread.joinable()) {
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cam.thread = std::thread(&CameraServer::cameraThread, this, std::ref(cam));
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}
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}
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}
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vipc_server_->start_listener();
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}
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void CameraServer::cameraThread(Camera &cam) {
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auto read_frame = [&](FrameReader *fr, int frame_id) {
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VisionBuf *rgb_buf = vipc_server_->get_buffer(cam.rgb_type);
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VisionBuf *yuv_buf = send_yuv ? vipc_server_->get_buffer(cam.yuv_type) : nullptr;
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bool ret = fr->get(frame_id, (uint8_t *)rgb_buf->addr, yuv_buf ? (uint8_t *)yuv_buf->addr : nullptr);
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return ret ? std::pair{rgb_buf, yuv_buf} : std::pair{nullptr, nullptr};
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};
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while (true) {
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const auto [fr, eidx] = cam.queue.pop();
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if (!fr) break;
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const int id = eidx.getSegmentId();
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bool prefetched = (id == cam.cached_id && eidx.getSegmentNum() == cam.cached_seg);
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auto [rgb, yuv] = prefetched ? cam.cached_buf : read_frame(fr, id);
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if (rgb || yuv) {
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VisionIpcBufExtra extra = {
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.frame_id = eidx.getFrameId(),
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.timestamp_sof = eidx.getTimestampSof(),
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.timestamp_eof = eidx.getTimestampEof(),
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};
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if (rgb) vipc_server_->send(rgb, &extra, false);
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if (yuv) vipc_server_->send(yuv, &extra, false);
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} else {
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std::cout << "camera[" << cam.type << "] failed to get frame:" << eidx.getSegmentId() << std::endl;
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}
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cam.cached_id = id + 1;
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cam.cached_seg = eidx.getSegmentNum();
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cam.cached_buf = read_frame(fr, cam.cached_id);
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--publishing_;
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}
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}
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void CameraServer::pushFrame(CameraType type, FrameReader *fr, const cereal::EncodeIndex::Reader &eidx) {
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auto &cam = cameras_[type];
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if (cam.width != fr->width || cam.height != fr->height) {
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cam.width = fr->width;
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cam.height = fr->height;
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waitFinish();
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startVipcServer();
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}
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++publishing_;
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cam.queue.push({fr, eidx});
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}
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