| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QPULSEHELPER_H |
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| 5 | #define QPULSEHELPER_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include "qaudiodevice.h" |
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| 19 | #include <qaudioformat.h> |
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| 20 | #include <pulse/pulseaudio.h> |
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| 21 | |
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| 22 | #include <QtMultimedia/private/qsharedhandle_p.h> |
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| 23 | |
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| 24 | #include <QtCore/qdebug.h> |
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| 25 | #include <QtCore/qloggingcategory.h> |
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| 26 | |
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| 27 | QT_BEGIN_NAMESPACE |
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| 28 | |
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| 29 | Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioOut) |
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| 30 | Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioIn) |
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| 31 | Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioEngine) |
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| 32 | |
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| 33 | namespace QPulseAudioInternal |
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| 34 | { |
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| 35 | |
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| 36 | template <typename TypeArg, TypeArg *(*RefFn)(TypeArg *), void (*UnrefFn)(TypeArg *)> |
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| 37 | struct PaHandleTraits |
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| 38 | { |
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| 39 | using Type = TypeArg *; |
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| 40 | static constexpr Type invalidValue() noexcept { return nullptr; } |
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| 41 | |
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| 42 | static Type ref(Type handle) |
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| 43 | { |
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| 44 | Type ret = (*RefFn)(handle); |
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| 45 | return ret; |
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| 46 | } |
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| 47 | static bool unref(Type handle) |
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| 48 | { |
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| 49 | (*UnrefFn)(handle); |
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| 50 | return true; |
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| 51 | } |
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| 52 | }; |
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| 53 | |
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| 54 | using PAOperationHandleTraits = PaHandleTraits<pa_operation, pa_operation_ref, pa_operation_unref>; |
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| 55 | using PAContextHandleTraits = PaHandleTraits<pa_context, pa_context_ref, pa_context_unref>; |
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| 56 | using PAStreamHandleTraits = PaHandleTraits<pa_stream, pa_stream_ref, pa_stream_unref>; |
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| 57 | |
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| 58 | using PAOperationHandle = QtPrivate::QSharedHandle<PAOperationHandleTraits>; |
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| 59 | using PAContextHandle = QtPrivate::QSharedHandle<PAContextHandleTraits>; |
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| 60 | using PAStreamHandle = QtPrivate::QSharedHandle<PAStreamHandleTraits>; |
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| 61 | |
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| 62 | struct PAProplistDeleter |
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| 63 | { |
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| 64 | void operator()(pa_proplist *propList) { pa_proplist_free(p: propList); } |
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| 65 | }; |
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| 66 | |
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| 67 | using PAProplistHandle = std::unique_ptr<pa_proplist, PAProplistDeleter>; |
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| 68 | |
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| 69 | struct PaMainLoopDeleter |
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| 70 | { |
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| 71 | void operator()(pa_threaded_mainloop *m) const { pa_threaded_mainloop_free(m); } |
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| 72 | }; |
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| 73 | |
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| 74 | pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format); |
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| 75 | QAudioFormat sampleSpecToAudioFormat(const pa_sample_spec &spec); |
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| 76 | pa_channel_map channelMapForAudioFormat(const QAudioFormat &format); |
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| 77 | QAudioFormat::ChannelConfig channelConfigFromMap(const pa_channel_map &map); |
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| 78 | |
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| 79 | QUtf8StringView currentError(const pa_context *); |
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| 80 | QUtf8StringView currentError(const pa_stream *); |
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| 81 | |
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| 82 | } // namespace QPulseAudioInternal |
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| 83 | |
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| 84 | QDebug operator<<(QDebug, pa_stream_state_t); |
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| 85 | QDebug operator<<(QDebug, pa_sample_format); |
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| 86 | QDebug operator<<(QDebug, pa_context_state_t); |
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| 87 | |
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| 88 | QT_END_NAMESPACE |
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| 89 | |
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| 90 | #endif |
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| 91 | |
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