| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qgstreameraudiodevice_p.h" |
| 5 | |
| 6 | #include <common/qgst_p.h> |
| 7 | #include <common/qgstutils_p.h> |
| 8 | #include <private/qplatformmediaintegration_p.h> |
| 9 | |
| 10 | QT_BEGIN_NAMESPACE |
| 11 | |
| 12 | QGStreamerAudioDeviceInfo::QGStreamerAudioDeviceInfo(GstDevice *d, const QByteArray &device, |
| 13 | QAudioDevice::Mode mode) |
| 14 | : QAudioDevicePrivate(device, mode), |
| 15 | gstDevice{ |
| 16 | d, |
| 17 | QGstDeviceHandle::NeedsRef, |
| 18 | } |
| 19 | { |
| 20 | QGString name{ |
| 21 | gst_device_get_display_name(device: gstDevice.get()), |
| 22 | }; |
| 23 | description = name.toQString(); |
| 24 | |
| 25 | auto caps = QGstCaps(gst_device_get_caps(device: gstDevice.get()), QGstCaps::HasRef); |
| 26 | int size = caps.size(); |
| 27 | for (int i = 0; i < size; ++i) { |
| 28 | auto c = caps.at(index: i); |
| 29 | if (c.name() == "audio/x-raw") { |
| 30 | auto rate = c["rate"].toIntRange(); |
| 31 | if (rate) { |
| 32 | minimumSampleRate = rate->min; |
| 33 | maximumSampleRate = rate->max; |
| 34 | } |
| 35 | auto channels = c["channels"].toIntRange(); |
| 36 | if (channels) { |
| 37 | minimumChannelCount = channels->min; |
| 38 | maximumChannelCount = channels->max; |
| 39 | } |
| 40 | supportedSampleFormats = c["format"].getSampleFormats(); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | preferredFormat.setChannelCount(qBound(min: minimumChannelCount, val: 2, max: maximumChannelCount)); |
| 45 | preferredFormat.setSampleRate(qBound(min: minimumSampleRate, val: 48000, max: maximumSampleRate)); |
| 46 | QAudioFormat::SampleFormat f = QAudioFormat::Int16; |
| 47 | if (!supportedSampleFormats.contains(t: f)) |
| 48 | f = supportedSampleFormats.value(i: 0, defaultValue: QAudioFormat::Unknown); |
| 49 | preferredFormat.setSampleFormat(f); |
| 50 | } |
| 51 | |
| 52 | QGStreamerCustomAudioDeviceInfo::QGStreamerCustomAudioDeviceInfo( |
| 53 | const QByteArray &gstreamerPipeline, QAudioDevice::Mode mode) |
| 54 | : QAudioDevicePrivate{ |
| 55 | gstreamerPipeline, |
| 56 | mode, |
| 57 | } |
| 58 | { |
| 59 | } |
| 60 | |
| 61 | QAudioDevice qMakeCustomGStreamerAudioInput(const QByteArray &gstreamerPipeline) |
| 62 | { |
| 63 | auto deviceInfo = std::make_unique<QGStreamerCustomAudioDeviceInfo>(args: gstreamerPipeline, |
| 64 | args: QAudioDevice::Mode::Input); |
| 65 | |
| 66 | return deviceInfo.release()->create(); |
| 67 | } |
| 68 | |
| 69 | QAudioDevice qMakeCustomGStreamerAudioOutput(const QByteArray &gstreamerPipeline) |
| 70 | { |
| 71 | auto deviceInfo = std::make_unique<QGStreamerCustomAudioDeviceInfo>(args: gstreamerPipeline, |
| 72 | args: QAudioDevice::Mode::Output); |
| 73 | |
| 74 | return deviceInfo.release()->create(); |
| 75 | } |
| 76 | |
| 77 | bool isCustomAudioDevice(const QAudioDevicePrivate *device) |
| 78 | { |
| 79 | return dynamic_cast<const QGStreamerCustomAudioDeviceInfo *>(device); |
| 80 | } |
| 81 | |
| 82 | bool isCustomAudioDevice(const QAudioDevice &device) |
| 83 | { |
| 84 | return isCustomAudioDevice(device: device.handle()); |
| 85 | } |
| 86 | |
| 87 | QT_END_NAMESPACE |
| 88 |