626172a16b
Source files in libcamera start by a comment block header, which
includes the file name and a one-line description of the file contents.
While the latter is useful to get a quick overview of the file contents
at a glance, the former is mostly a source of inconvenience. The name in
the comments can easily get out of sync with the file name when files
are renamed, and copy & paste during development have often lead to
incorrect names being used to start with.
Readers of the source code are expected to know which file they're
looking it. Drop the file name from the header comment block.
The change was generated with the following script:
----------------------------------------
dirs="include/libcamera src test utils"
declare -rA patterns=(
['c']=' \* '
['cpp']=' \* '
['h']=' \* '
['py']='# '
['sh']='# '
)
for ext in ${!patterns[@]} ; do
files=$(for dir in $dirs ; do find $dir -name "*.${ext}" ; done)
pattern=${patterns[${ext}]}
for file in $files ; do
name=$(basename ${file})
sed -i "s/^\(${pattern}\)${name} - /\1/" "$file"
done
done
----------------------------------------
This misses several files that are out of sync with the comment block
header. Those will be addressed separately and manually.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
150 lines
3.2 KiB
C++
150 lines
3.2 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2018-2019, Google Inc.
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*
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* Print out media devices
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*/
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#include <iostream>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "libcamera/internal/media_device.h"
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#include "test.h"
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using namespace libcamera;
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using namespace std;
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/*
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* MediaDevicePrintTest takes all media devices found in the system and print
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* them out to verify correctness.
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*
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* If no accessible media device is found, the test is skipped.
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*/
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class MediaDevicePrintTest : public Test
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{
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protected:
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int init() { return 0; }
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int run();
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void cleanup() {}
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private:
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int testMediaDevice(string deviceNode);
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void printMediaGraph(const MediaDevice &media, ostream &os);
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void printLinkFlags(const MediaLink *link, ostream &os);
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void printNode(const MediaPad *pad, ostream &os);
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};
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void MediaDevicePrintTest::printNode(const MediaPad *pad, ostream &os)
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{
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const MediaEntity *entity = pad->entity();
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os << "\"" << entity->name() << "\"["
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<< pad->index() << "]";
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}
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void MediaDevicePrintTest::printLinkFlags(const MediaLink *link, ostream &os)
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{
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unsigned int flags = link->flags();
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os << " [";
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if (flags) {
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os << (flags & MEDIA_LNK_FL_ENABLED ? "ENABLED," : "")
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<< (flags & MEDIA_LNK_FL_IMMUTABLE ? "IMMUTABLE" : "");
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}
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os << "]\n";
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}
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/*
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* For each entity in the media graph, printout links directed to its sinks
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* and source pads.
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*/
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void MediaDevicePrintTest::printMediaGraph(const MediaDevice &media, ostream &os)
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{
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os << "\n" << media.driver() << " - " << media.deviceNode() << "\n\n";
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for (auto const &entity : media.entities()) {
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os << "\"" << entity->name() << "\"\n";
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for (auto const &sink : entity->pads()) {
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if (!(sink->flags() & MEDIA_PAD_FL_SINK))
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continue;
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os << " [" << sink->index() << "]" << ": Sink\n";
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for (auto const &link : sink->links()) {
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os << "\t";
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printNode(sink, os);
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os << " <- ";
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printNode(link->source(), os);
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printLinkFlags(link, os);
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}
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os << "\n";
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}
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for (auto const &source : entity->pads()) {
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if (!(source->flags() & MEDIA_PAD_FL_SOURCE))
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continue;
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os << " [" << source->index() << "]" << ": Source\n";
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for (auto const &link : source->links()) {
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os << "\t";
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printNode(source, os);
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os << " -> ";
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printNode(link->sink(), os);
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printLinkFlags(link, os);
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}
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os << "\n";
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}
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}
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os.flush();
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}
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/* Test a single media device. */
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int MediaDevicePrintTest::testMediaDevice(const string deviceNode)
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{
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MediaDevice dev(deviceNode);
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int ret;
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ret = dev.populate();
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if (ret)
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return ret;
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/* Print out the media graph. */
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printMediaGraph(dev, cerr);
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return 0;
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}
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/* Run tests on all media devices. */
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#define MAX_MEDIA_DEV 256
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int MediaDevicePrintTest::run()
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{
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const string deviceNode("/dev/media");
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unsigned int i;
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int ret = 77; /* skip test exit code */
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/*
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* Run the test sequence on all media device found in the
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* system, if any.
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*/
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for (i = 0; i < MAX_MEDIA_DEV; i++) {
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string mediadev = deviceNode + to_string(i);
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struct stat pstat = {};
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if (stat(mediadev.c_str(), &pstat))
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continue;
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ret = testMediaDevice(mediadev);
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if (ret)
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return ret;
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}
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return ret;
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}
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TEST_REGISTER(MediaDevicePrintTest)
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