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-rw-r--r--src/cam/buffer_writer.cpp128
1 files changed, 0 insertions, 128 deletions
diff --git a/src/cam/buffer_writer.cpp b/src/cam/buffer_writer.cpp
deleted file mode 100644
index 2f4b2b02..00000000
--- a/src/cam/buffer_writer.cpp
+++ /dev/null
@@ -1,128 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2019, Google Inc.
- *
- * buffer_writer.cpp - Buffer writer
- */
-
-#include <fcntl.h>
-#include <iomanip>
-#include <iostream>
-#include <sstream>
-#include <string.h>
-#include <sys/mman.h>
-#include <unistd.h>
-
-#include <libcamera/camera.h>
-
-#include "buffer_writer.h"
-
-using namespace libcamera;
-
-BufferWriter::BufferWriter(const std::string &pattern)
- : pattern_(pattern)
-{
-}
-
-BufferWriter::~BufferWriter()
-{
- for (auto &iter : mappedBuffers_) {
- void *memory = iter.second.first;
- unsigned int length = iter.second.second;
- munmap(memory, length);
- }
- mappedBuffers_.clear();
-}
-
-int BufferWriter::configure(const libcamera::CameraConfiguration &config)
-{
- int ret = FrameSink::configure(config);
- if (ret < 0)
- return ret;
-
- streamNames_.clear();
- for (unsigned int index = 0; index < config.size(); ++index) {
- const StreamConfiguration &cfg = config.at(index);
- streamNames_[cfg.stream()] = "stream" + std::to_string(index);
- }
-
- return 0;
-}
-
-void BufferWriter::mapBuffer(FrameBuffer *buffer)
-{
- for (const FrameBuffer::Plane &plane : buffer->planes()) {
- void *memory = mmap(NULL, plane.length, PROT_READ, MAP_SHARED,
- plane.fd.fd(), 0);
-
- mappedBuffers_[plane.fd.fd()] =
- std::make_pair(memory, plane.length);
- }
-}
-
-bool BufferWriter::processRequest(Request *request)
-{
- for (auto [stream, buffer] : request->buffers())
- writeBuffer(stream, buffer);
-
- return true;
-}
-
-void BufferWriter::writeBuffer(const Stream *stream, FrameBuffer *buffer)
-{
- std::string filename;
- size_t pos;
- int fd, ret = 0;
-
- if (!pattern_.empty())
- filename = pattern_;
-
- if (filename.empty() || filename.back() == '/')
- filename += "frame-#.bin";
-
- pos = filename.find_first_of('#');
- if (pos != std::string::npos) {
- std::stringstream ss;
- ss << streamNames_[stream] << "-" << std::setw(6)
- << std::setfill('0') << buffer->metadata().sequence;
- filename.replace(pos, 1, ss.str());
- }
-
- fd = open(filename.c_str(), O_CREAT | O_WRONLY |
- (pos == std::string::npos ? O_APPEND : O_TRUNC),
- S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
- if (fd == -1) {
- ret = -errno;
- std::cerr << "failed to open file " << filename << ": "
- << strerror(-ret) << std::endl;
- return;
- }
-
- for (unsigned int i = 0; i < buffer->planes().size(); ++i) {
- const FrameBuffer::Plane &plane = buffer->planes()[i];
- const FrameMetadata::Plane &meta = buffer->metadata().planes[i];
-
- void *data = mappedBuffers_[plane.fd.fd()].first;
- unsigned int length = std::min(meta.bytesused, plane.length);
-
- if (meta.bytesused > plane.length)
- std::cerr << "payload size " << meta.bytesused
- << " larger than plane size " << plane.length
- << std::endl;
-
- ret = ::write(fd, data, length);
- if (ret < 0) {
- ret = -errno;
- std::cerr << "write error: " << strerror(-ret)
- << std::endl;
- break;
- } else if (ret != (int)length) {
- std::cerr << "write error: only " << ret
- << " bytes written instead of "
- << length << std::endl;
- break;
- }
- }
-
- close(fd);
-}