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Code Issues Releases Wiki Activity

Fix SEGFAULT in V4L2Grabber (#1503)

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Drzony 2022-08-19 10:22:10 +02:00 committed by GitHub
parent 2fb2fc9dd7
commit 2008e2c3d7
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2 changed files with 31 additions and 61 deletions
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2
CHANGELOG.md
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@ -16,6 +16,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Fixed
- V4L2-Grabber: Fixed a SEGFAULT in init() when compiled on Ubuntu Server 22.04
## Removed
## [2.0.13](https://github.com/hyperion-project/hyperion.ng/releases/tag/2.0.13) - 2022-05-22

90
libsrc/grabber/video/v4l2/V4L2Grabber.cpp
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@ -21,6 +21,7 @@
#include <QDirIterator>
#include <QFileInfo>
#include <QSet>
#include "grabber/V4L2Grabber.h"
@ -161,7 +162,7 @@ bool V4L2Grabber::init()
setEncoding(pixelFormatToString(_deviceProperties.value(_currentDevicePath).inputs.value(_input).encodingFormats.firstKey()));
bool validDimensions = false;
for (auto enc = _deviceProperties.value(_currentDevicePath).inputs.value(_input).encodingFormats.begin(); enc != _deviceProperties.value(_currentDevicePath).inputs.value(_input).encodingFormats.end(); enc++)
for (auto enc = _deviceProperties.value(_currentDevicePath).inputs.value(_input).encodingFormats.constBegin(); enc != _deviceProperties.value(_currentDevicePath).inputs.value(_input).encodingFormats.constEnd(); ++enc)
if(enc.key() == _pixelFormat && enc.value().width == _width && enc.value().height == _height)
{
validDimensions = true;
@ -1257,90 +1258,57 @@ QJsonArray V4L2Grabber::discover(const QJsonObject& params)
enumVideoCaptureDevices();
QJsonArray inputsDiscovered;
for(auto it = _deviceProperties.begin(); it != _deviceProperties.end(); ++it)
for (auto device_property = _deviceProperties.constBegin(); device_property != _deviceProperties.constEnd(); ++device_property)
{
QJsonObject device, in;
QJsonArray video_inputs, formats;
QMultiMap<QString, int> inputs = QMultiMap<QString, int>();
for(auto i = _deviceProperties.begin(); i != _deviceProperties.end(); ++i)
if (i.key() == it.key())
for (auto y = i.value().inputs.begin(); y != i.value().inputs.end(); y++)
if (!inputs.contains(y.value().inputName, y.key()))
inputs.insert(y.value().inputName, y.key());
if (!inputs.isEmpty())
if (!device_property.value().inputs.isEmpty())
{
device["device"] = it.key();
device["device_name"] = _deviceProperties.value(it.key()).name;
device["device"] = device_property.key();
device["device_name"] = device_property.value().name;
device["type"] = "v4l2";
for (auto input = inputs.begin(); input != inputs.end(); input++)
for (auto input = device_property.value().inputs.constBegin(); input != device_property.value().inputs.constEnd(); ++input)
{
in["name"] = input.key();
in["inputIdx"] = input.value();
in["name"] = input.value().inputName;
in["inputIdx"] = input.key();
QJsonArray standards;
QList<VideoStandard> videoStandards = QList<VideoStandard>();
for(auto i = _deviceProperties.begin(); i != _deviceProperties.end(); ++i)
if (i.key() == it.key())
for (auto y = i.value().inputs.begin(); y != i.value().inputs.end(); y++)
if (y.key() == input.value())
for (auto std = y.value().standards.begin(); std != y.value().standards.end(); std++)
if(!videoStandards.contains(*std))
videoStandards << *std;
for (auto standard : videoStandards)
standards.append(VideoStandard2String(standard));
for (auto std = input.value().standards.constBegin(); std != input.value().standards.constEnd(); ++std)
if(!standards.contains(VideoStandard2String(*std)))
standards.append(VideoStandard2String(*std));
if (!standards.isEmpty())
in["standards"] = standards;
QList<PixelFormat> encodingFormats = QList<PixelFormat>();
for(auto i = _deviceProperties.begin(); i != _deviceProperties.end(); ++i)
if (i.key() == it.key())
for (auto y = i.value().inputs.begin(); y != i.value().inputs.end(); y++)
if (y.key() == input.value())
for (auto enc = y.value().encodingFormats.begin(); enc != y.value().encodingFormats.end(); enc++)
if (!encodingFormats.contains(enc.key()))
encodingFormats << enc.key();
for (auto encodingFormat : encodingFormats)
for (auto encodingFormat : input.value().encodingFormats.uniqueKeys())
{
QJsonObject format;
QJsonArray resolutionArray;
format["format"] = pixelFormatToString(encodingFormat);
QMultiMap<int, int> deviceResolutions = QMultiMap<int, int>();
for(auto i = _deviceProperties.begin(); i != _deviceProperties.end(); ++i)
if (i.key() == it.key())
for (auto y = i.value().inputs.begin(); y != i.value().inputs.end(); y++)
if (y.key() == input.value())
for (auto enc = y.value().encodingFormats.begin(); enc != y.value().encodingFormats.end(); enc++)
if (enc.key() == encodingFormat && !deviceResolutions.contains(enc.value().width, enc.value().height))
deviceResolutions.insert(enc.value().width, enc.value().height);
QMap<std::pair<int, int>, QSet<int>> combined = QMap<std::pair<int, int>, QSet<int>>();
for (auto enc : input.value().encodingFormats.values(encodingFormat))
{
std::pair<int, int> width_height{enc.width, enc.height};
auto &com = combined[width_height];
for (auto framerate : enc.framerates)
{
com.insert(framerate);
}
}
for (auto width_height = deviceResolutions.begin(); width_height != deviceResolutions.end(); width_height++)
for (auto enc = combined.constBegin(); enc != combined.constEnd(); ++enc)
{
QJsonObject resolution;
QJsonArray fps;
resolution["width"] = int(width_height.key());
resolution["height"] = int(width_height.value());
resolution["width"] = enc.key().first;
resolution["height"] = enc.key().second;
QIntList framerates = QIntList();
for(auto i = _deviceProperties.begin(); i != _deviceProperties.end(); ++i)
if (i.key() == it.key())
for (auto y = i.value().inputs.begin(); y != i.value().inputs.end(); y++)
if (y.key() == input.value())
for (auto enc = y.value().encodingFormats.begin(); enc != y.value().encodingFormats.end(); enc++)
if(enc.key() == encodingFormat && enc.value().width == width_height.key() && enc.value().height == width_height.value())
for (auto fps = enc.value().framerates.begin(); fps != enc.value().framerates.end(); fps++)
if(!framerates.contains(*fps))
framerates << *fps;
for (auto framerate : framerates)
for (auto framerate : enc.value())
fps.append(framerate);
resolution["fps"] = fps;
@ -1358,7 +1326,7 @@ QJsonArray V4L2Grabber::discover(const QJsonObject& params)
device["video_inputs"] = video_inputs;
QJsonObject controls, controls_default;
for (auto control : _deviceControls[it.key()])
for (auto control : _deviceControls[device_property.key()])
{
QJsonObject property;
property["minValue"] = control.minValue;
@ -1533,7 +1501,7 @@ void V4L2Grabber::enumVideoCaptureDevices()
// Enumerate video control IDs
QList<DeviceControls> deviceControlList;
for (auto it = _controlIDPropertyMap->begin(); it != _controlIDPropertyMap->end(); it++)
for (auto it = _controlIDPropertyMap->constBegin(); it != _controlIDPropertyMap->constEnd(); it++)
{
struct v4l2_queryctrl queryctrl;
CLEAR(queryctrl);