15#ifndef QAUDIOOUTPUTALSA_H
16#define QAUDIOOUTPUTALSA_H
18#include <alsa/asoundlib.h>
20#include <QtCore/qfile.h>
21#include <QtCore/qdebug.h>
22#include <QtCore/qtimer.h>
23#include <QtCore/qstring.h>
24#include <QtCore/qstringlist.h>
25#include <QtCore/qelapsedtimer.h>
26#include <QtCore/qiodevice.h>
28#include <QtMultimedia/qaudio.h>
29#include <QtMultimedia/qaudiodevice.h>
30#include <private/qaudiosystem_p.h>
47 void reset()
override;
78 bool resuming =
false;
82 unsigned int buffer_time = 100000;
83 unsigned int period_time = 20000;
84 snd_pcm_uframes_t buffer_frames;
85 snd_pcm_uframes_t period_frames;
86 int xrun_recovery(
int err);
94 int bytesAvailable = 0;
95 qint64 elapsedTimeOffset = 0;
96 char* audioBuffer =
nullptr;
97 snd_pcm_t*
handle =
nullptr;
98 snd_pcm_access_t
access = SND_PCM_ACCESS_RW_INTERLEAVED;
99 snd_pcm_hw_params_t *hwparams =
nullptr;
100 qreal m_volume = 1.0f;
IOBluetoothDevice * device
qint64 writeData(const char *data, qint64 len) override
Writes up to maxSize bytes from data to the device.
AlsaOutputPrivate(QAlsaAudioSink *audio)
QIODevice * start() override
void setBufferSize(qsizetype value) override
QAudio::State suspendedInState
QAlsaAudioSink(const QByteArray &device, QObject *parent)
qint64 processedUSecs() const override
void setFormat(const QAudioFormat &fmt) override
void setVolume(qreal) override
QAudio::State deviceState
QAudio::State state() const override
qreal volume() const override
qsizetype bytesFree() const override
QAudioFormat format() const override
qsizetype bufferSize() const override
QAudio::Error error() const override
qint64 write(const char *data, qint64 len)
\inmodule QtCore \reentrant
QObject * parent() const
Returns a pointer to the parent object.
Combined button and popup list for selecting options.
EGLOutputLayerEXT EGLint EGLAttrib value
[5]
GLuint64 GLenum void * handle
GLint GLsizei GLsizei GLenum GLenum GLsizei void * data
QVideoFrameFormat::PixelFormat fmt