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Refactor V4L2 grabber (part 1) (#62)

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This commit is contained in:
Paulchen Panther
2021-02-05 21:52:02 +01:00
committed by GitHub
parent c5a2b808cd
commit c5065e76b5
10 changed files with 211 additions and 91 deletions
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49
libsrc/api/JsonAPI.cpp
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@@ -496,48 +496,57 @@ void JsonAPI::handleServerInfoCommand(const QJsonObject &message, const QString
{
QJsonObject device;
device["device"] = devicePath;
device["name"] = GrabberWrapper::getInstance()->getDeviceName(devicePath);
device["device_name"] = GrabberWrapper::getInstance()->getDeviceName(devicePath);
device["type"] = "v4l2";
QJsonArray video_inputs;
QJsonObject availableInputs;
QMultiMap<QString, int> inputs = GrabberWrapper::getInstance()->getDeviceInputs(devicePath);
for (auto input = inputs.begin(); input != inputs.end(); input++)
{
QJsonObject availableEncodingFormats;
availableInputs["inputName"] = input.key();
availableInputs["inputIndex"] = input.value();
QJsonObject in;
in["name"] = input.key();
in["inputIdx"] = input.value();
QJsonArray formats;
QStringList encodingFormats = GrabberWrapper::getInstance()->getAvailableEncodingFormats(devicePath, input.value());
for (auto encodingFormat : encodingFormats)
{
QJsonArray formats;
QStringList resolutions = GrabberWrapper::getInstance()->getAvailableDeviceResolutions(devicePath, input.value(), parsePixelFormat(encodingFormat));
for (auto resolution : resolutions)
{
QJsonObject format;
format["resolution"] = resolution;
QJsonObject format;
format["format"] = encodingFormat;
QJsonArray availableFramerates;
QStringList framerates = GrabberWrapper::getInstance()->getAvailableDeviceFramerates(devicePath, input.value(), parsePixelFormat(encodingFormat), resolution.split("x")[0].toInt(), resolution.split("x")[1].toInt());
QJsonArray resolutionArray;
QMultiMap<int, int> deviceResolutions = GrabberWrapper::getInstance()->getAvailableDeviceResolutions(devicePath, input.value(), parsePixelFormat(encodingFormat));
for (auto width_height = deviceResolutions.begin(); width_height != deviceResolutions.end(); width_height++)
{
QJsonObject resolution;
resolution["width"] = width_height.key();
resolution["heigth"] = width_height.value();
QJsonArray fps;
QStringList framerates = GrabberWrapper::getInstance()->getAvailableDeviceFramerates(devicePath, input.value(), parsePixelFormat(encodingFormat), width_height.key(), width_height.value());
for (auto framerate : framerates)
{
availableFramerates.append(framerate);
fps.append(framerate);
}
format["framerates"] = availableFramerates;
formats.append(format);
resolution["fps"] = fps;
resolutionArray.append(resolution);
}
availableEncodingFormats[encodingFormat] = formats;
format["resolutions"] = resolutionArray;
formats.append(format);
}
availableInputs["encoding_formats"] = availableEncodingFormats;
in["formats"] = formats;
video_inputs.append(in);
}
device["device_inputs"] = availableInputs;
device["video_inputs"] = video_inputs;
availableDevices.append(device);
}
grabbers["v4l2_properties"] = availableDevices;
grabbers["video_sources"] = availableDevices;
#endif