diff options
Diffstat (limited to 'src/multimedia/effects/qsoundeffect_pulse_p.cpp')
| -rw-r--r-- | src/multimedia/effects/qsoundeffect_pulse_p.cpp | 957 |
1 files changed, 0 insertions, 957 deletions
diff --git a/src/multimedia/effects/qsoundeffect_pulse_p.cpp b/src/multimedia/effects/qsoundeffect_pulse_p.cpp deleted file mode 100644 index 4570f8f..0000000 --- a/src/multimedia/effects/qsoundeffect_pulse_p.cpp +++ /dev/null @@ -1,957 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// INTERNAL USE ONLY: Do NOT use for any other purpose. -// - -#include <QtCore/qcoreapplication.h> -#include <qaudioformat.h> -#include <QtNetwork> -#include <QTime> - -#include "qsoundeffect_pulse_p.h" - -#if defined(Q_WS_MAEMO_6) -#include <pulse/ext-stream-restore.h> -#endif - -#include <unistd.h> - -//#define QT_PA_DEBUG -#ifndef QTM_PULSEAUDIO_DEFAULTBUFFER -#define QT_PA_STREAM_BUFFER_SIZE_MAX (1024 * 64) //64KB is a trade-off for balancing control latency and uploading overhead -#endif - -QT_BEGIN_NAMESPACE - -namespace -{ -inline pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format) -{ - pa_sample_spec spec; - - spec.rate = format.frequency(); - spec.channels = format.channels(); - - if (format.sampleSize() == 8) - spec.format = PA_SAMPLE_U8; - else if (format.sampleSize() == 16) { - switch (format.byteOrder()) { - case QAudioFormat::BigEndian: spec.format = PA_SAMPLE_S16BE; break; - case QAudioFormat::LittleEndian: spec.format = PA_SAMPLE_S16LE; break; - } - } - else if (format.sampleSize() == 32) { - switch (format.byteOrder()) { - case QAudioFormat::BigEndian: spec.format = PA_SAMPLE_S32BE; break; - case QAudioFormat::LittleEndian: spec.format = PA_SAMPLE_S32LE; break; - } - } - - return spec; -} - -class PulseDaemon : public QObject -{ - Q_OBJECT -public: - PulseDaemon(): m_prepared(false) - { - prepare(); - } - - ~PulseDaemon() - { - if (m_prepared) - release(); - } - - inline void lock() - { - pa_threaded_mainloop_lock(m_mainLoop); - } - - inline void unlock() - { - pa_threaded_mainloop_unlock(m_mainLoop); - } - - inline pa_context *context() const - { - return m_context; - } - - inline pa_cvolume * calcVolume(pa_cvolume *dest, int soundEffectVolume) - { - dest->channels = 2; - dest->values[0] = dest->values[1] = m_vol * soundEffectVolume / 100; - return dest; - } - - void updateStatus(const pa_cvolume& volume) - { - if (m_vol != pa_cvolume_max(&volume)) { - m_vol = pa_cvolume_max(&volume); - emit volumeChanged(); - } - } - -Q_SIGNALS: - void contextReady(); - void volumeChanged(); - -private: - void prepare() - { - m_vol = PA_VOLUME_NORM; - - m_mainLoop = pa_threaded_mainloop_new(); - if (m_mainLoop == 0) { - qWarning("PulseAudioService: unable to create pulseaudio mainloop"); - return; - } - - if (pa_threaded_mainloop_start(m_mainLoop) != 0) { - qWarning("PulseAudioService: unable to start pulseaudio mainloop"); - pa_threaded_mainloop_free(m_mainLoop); - return; - } - - m_mainLoopApi = pa_threaded_mainloop_get_api(m_mainLoop); - - lock(); - m_context = pa_context_new(m_mainLoopApi, QString(QLatin1String("QtPulseAudio:%1")).arg(::getpid()).toAscii().constData()); - - pa_context_set_state_callback(m_context, context_state_callback, this); - - if (m_context == 0) { - qWarning("PulseAudioService: Unable to create new pulseaudio context"); - pa_threaded_mainloop_free(m_mainLoop); - return; - } - - if (pa_context_connect(m_context, 0, (pa_context_flags_t)0, 0) < 0) { - qWarning("PulseAudioService: pa_context_connect() failed"); - pa_context_unref(m_context); - pa_threaded_mainloop_free(m_mainLoop); - return; - } - unlock(); - - m_prepared = true; - } - - void release() - { - if (!m_prepared) return; - pa_threaded_mainloop_stop(m_mainLoop); - pa_threaded_mainloop_free(m_mainLoop); - m_prepared = false; - } - - static void context_state_callback(pa_context *c, void *userdata) - { - PulseDaemon *self = reinterpret_cast<PulseDaemon*>(userdata); - switch (pa_context_get_state(c)) { - case PA_CONTEXT_CONNECTING: - case PA_CONTEXT_AUTHORIZING: - case PA_CONTEXT_SETTING_NAME: - break; - case PA_CONTEXT_READY: - #if defined(Q_WS_MAEMO_6) - pa_ext_stream_restore_read(c, &stream_restore_info_callback, self); - pa_ext_stream_restore_set_subscribe_cb(c, &stream_restore_monitor_callback, self); - pa_ext_stream_restore_subscribe(c, 1, 0, self); - #endif - QMetaObject::invokeMethod(self, "contextReady", Qt::QueuedConnection); - break; - default: - break; - } - } - -#if defined(Q_WS_MAEMO_6) - - static void stream_restore_monitor_callback(pa_context *c, void *userdata) - { - PulseDaemon *self = reinterpret_cast<PulseDaemon*>(userdata); - pa_ext_stream_restore_read(c, &stream_restore_info_callback, self); - } - - static void stream_restore_info_callback(pa_context *c, - const pa_ext_stream_restore_info *info, - int eol, void *userdata) - { - Q_UNUSED(c) - - PulseDaemon *self = reinterpret_cast<PulseDaemon*>(userdata); - - if (!eol) { - if (QString(info->name).startsWith(QLatin1String("sink-input-by-media-role:x-maemo"))) { -#ifdef QT_PA_DEBUG - qDebug() << "x-maemo volume =(" << info->volume.values[0] * 100 / PA_VOLUME_NORM << "," - << info->volume.values[1] * 100 / PA_VOLUME_NORM << "), " - << "mute = " << info->mute; -#endif - self->updateStatus(info->volume); - } - } - } -#endif - - pa_volume_t m_vol; - - bool m_prepared; - pa_context *m_context; - pa_threaded_mainloop *m_mainLoop; - pa_mainloop_api *m_mainLoopApi; -}; - -} - -Q_GLOBAL_STATIC(PulseDaemon, daemon) -Q_GLOBAL_STATIC(QSampleCache, sampleCache) - -namespace -{ -class PulseDaemonLocker -{ -public: - PulseDaemonLocker() - { - daemon()->lock(); - } - - ~PulseDaemonLocker() - { - daemon()->unlock(); - } -}; -} - -QSoundEffectPrivate::QSoundEffectPrivate(QObject* parent): - QObject(parent), - m_pulseStream(0), - m_sinkInputId(-1), - m_emptying(false), - m_sampleReady(false), - m_playing(false), - m_status(QSoundEffect::Null), - m_muted(false), - m_playQueued(false), - m_stopping(false), - m_volume(100), - m_loopCount(1), - m_runningCount(0), - m_sample(0) , - m_position(0) -{ - pa_sample_spec_init(&m_pulseSpec); -} - -QSoundEffectPrivate::~QSoundEffectPrivate() -{ - unloadPulseStream(); - - if (m_sample) - m_sample->release(); -} - -QStringList QSoundEffectPrivate::supportedMimeTypes() -{ - QStringList supportedTypes; - supportedTypes << QLatin1String("audio/x-wav") << QLatin1String("audio/vnd.wave") ; - return supportedTypes; -} - -QUrl QSoundEffectPrivate::source() const -{ - return m_source; -} - -void QSoundEffectPrivate::setSource(const QUrl &url) -{ - Q_ASSERT(m_source != url); -#ifdef QT_PA_DEBUG - qDebug() << this << "setSource =" << url; -#endif - stop(); - if (m_sample) { - if (!m_sampleReady) { - disconnect(m_sample, SIGNAL(error()), this, SLOT(decoderError())); - disconnect(m_sample, SIGNAL(ready()), this, SLOT(sampleReady())); - } - m_sample->release(); - m_sample = 0; - } - - m_source = url; - m_sampleReady = false; - - PulseDaemonLocker locker; - m_runningCount = 0; - if (m_pulseStream && !pa_stream_is_corked(m_pulseStream)) { - pa_stream_set_write_callback(m_pulseStream, 0, 0); - pa_stream_set_underflow_callback(m_pulseStream, 0, 0); - pa_operation_unref(pa_stream_cork(m_pulseStream, 1, 0, 0)); - } - setPlaying(false); - - if (url.isEmpty()) { - setStatus(QSoundEffect::Null); - return; - } - - setStatus(QSoundEffect::Loading); - m_sample = sampleCache()->requestSample(url); - connect(m_sample, SIGNAL(error()), this, SLOT(decoderError())); - connect(m_sample, SIGNAL(ready()), this, SLOT(sampleReady())); - switch(m_sample->state()) { - case QSample::Ready: - sampleReady(); - break; - case QSample::Error: - decoderError(); - break; - default: - break; - } -} - -int QSoundEffectPrivate::loopCount() const -{ - return m_loopCount; -} - -void QSoundEffectPrivate::setLoopCount(int loopCount) -{ - if (loopCount == 0) - loopCount = 1; - m_loopCount = loopCount; -} - -int QSoundEffectPrivate::volume() const -{ - return m_volume; -} - -void QSoundEffectPrivate::setVolume(int volume) -{ - m_volume = volume; - emit volumeChanged(); - updateVolume(); -} - -void QSoundEffectPrivate::updateVolume() -{ - if (m_sinkInputId < 0) - return; - PulseDaemonLocker locker; - pa_cvolume volume; - pa_operation_unref(pa_context_set_sink_input_volume(daemon()->context(), m_sinkInputId, daemon()->calcVolume(&volume, m_volume), setvolume_callback, this)); - Q_ASSERT(pa_cvolume_valid(&volume)); -#ifdef QT_PA_DEBUG - qDebug() << this << "updateVolume =" << pa_cvolume_max(&volume); -#endif -} - -bool QSoundEffectPrivate::isMuted() const -{ - return m_muted; -} - -void QSoundEffectPrivate::setMuted(bool muted) -{ - m_muted = muted; - emit mutedChanged(); - updateMuted(); -} - -void QSoundEffectPrivate::updateMuted() -{ - if (m_sinkInputId < 0) - return; - PulseDaemonLocker locker; - pa_operation_unref(pa_context_set_sink_input_mute(daemon()->context(), m_sinkInputId, m_muted, setmuted_callback, this)); -#ifdef QT_PA_DEBUG - qDebug() << this << "updateMuted = " << daemon()->calcMuted(m_muted); -#endif -} - -bool QSoundEffectPrivate::isLoaded() const -{ - return m_status == QSoundEffect::Ready; -} - -bool QSoundEffectPrivate::isPlaying() const -{ - return m_playing; -} - -QSoundEffect::Status QSoundEffectPrivate::status() const -{ - return m_status; -} - -void QSoundEffectPrivate::setPlaying(bool playing) -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "setPlaying(" << playing << ")"; -#endif - if (m_playing == playing) - return; - if (!playing) - m_playQueued = false; - m_playing = playing; - emit playingChanged(); -} - -void QSoundEffectPrivate::setStatus(QSoundEffect::Status status) -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "setStatus" << status; -#endif - if (m_status == status) - return; - bool oldLoaded = isLoaded(); - m_status = status; - emit statusChanged(); - if (oldLoaded != isLoaded()) - emit loadedChanged(); -} - -void QSoundEffectPrivate::play() -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "play"; -#endif - if (m_status == QSoundEffect::Null || m_status == QSoundEffect::Error || m_playQueued) - return; - - PulseDaemonLocker locker; - if (!m_sampleReady || m_stopping || m_emptying) { -#ifdef QT_PA_DEBUG - qDebug() << this << "play deferred"; -#endif - m_playQueued = true; - } else { - if (m_playing) { //restart playing from the beginning -#ifdef QT_PA_DEBUG - qDebug() << this << "restart playing"; -#endif - m_runningCount = 0; - m_playQueued = true; - Q_ASSERT(m_pulseStream); - emptyStream(); - return; - } - m_runningCount = m_loopCount; - playSample(); - } - - setPlaying(true); -} - -void QSoundEffectPrivate::emptyStream() -{ - m_emptying = true; - pa_stream_set_write_callback(m_pulseStream, 0, this); - pa_stream_set_underflow_callback(m_pulseStream, 0, this); - pa_operation_unref(pa_stream_flush(m_pulseStream, stream_flush_callback, this)); -} - -void QSoundEffectPrivate::emptyComplete() -{ - PulseDaemonLocker locker; - m_emptying = false; - pa_operation_unref(pa_stream_cork(m_pulseStream, 1, stream_cork_callback, this)); -} - -void QSoundEffectPrivate::sampleReady() -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "sampleReady"; -#endif - disconnect(m_sample, SIGNAL(error()), this, SLOT(decoderError())); - disconnect(m_sample, SIGNAL(ready()), this, SLOT(sampleReady())); - pa_sample_spec newFormatSpec = audioFormatToSampleSpec(m_sample->format()); - - if (m_pulseStream && (memcmp(&m_pulseSpec, &newFormatSpec, sizeof(m_pulseSpec)) != 0)) { - unloadPulseStream(); - } - m_pulseSpec = newFormatSpec; - - m_sampleReady = true; - m_position = 0; - - if (m_name.isNull()) - m_name = QString(QLatin1String("QtPulseSample-%1-%2")).arg(::getpid()).arg(quintptr(this)).toUtf8(); - - PulseDaemonLocker locker; - if (m_pulseStream) { -#ifdef QT_PA_DEBUG - qDebug() << this << "reuse existing pulsestream"; -#endif -#ifdef QTM_PULSEAUDIO_DEFAULTBUFFER - const pa_buffer_attr *bufferAttr = pa_stream_get_buffer_attr(m_pulseStream); - if (bufferAttr->prebuf > uint32_t(m_sample->data().size())) { - pa_buffer_attr newBufferAttr; - newBufferAttr = *bufferAttr; - newBufferAttr.prebuf = m_sample->data().size(); - pa_stream_set_buffer_attr(m_pulseStream, &newBufferAttr, stream_adjust_prebuffer_callback, this); - } else { - streamReady(); - } -#else - const pa_buffer_attr *bufferAttr = pa_stream_get_buffer_attr(m_pulseStream); - if (bufferAttr->tlength < m_sample->data().size() && bufferAttr->tlength < QT_PA_STREAM_BUFFER_SIZE_MAX) { - pa_buffer_attr newBufferAttr; - newBufferAttr.maxlength = -1; - newBufferAttr.tlength = qMin(m_sample->data().size(), QT_PA_STREAM_BUFFER_SIZE_MAX); - newBufferAttr.minreq = bufferAttr->tlength / 2; - newBufferAttr.prebuf = -1; - newBufferAttr.fragsize = -1; - pa_stream_set_buffer_attr(m_pulseStream, &newBufferAttr, stream_reset_buffer_callback, this); - } else if (bufferAttr->prebuf > uint32_t(m_sample->data().size())) { - pa_buffer_attr newBufferAttr; - newBufferAttr = *bufferAttr; - newBufferAttr.prebuf = m_sample->data().size(); - pa_stream_set_buffer_attr(m_pulseStream, &newBufferAttr, stream_adjust_prebuffer_callback, this); - } else { - streamReady(); - } -#endif - } else { - if (pa_context_get_state(daemon()->context()) != PA_CONTEXT_READY) { - connect(daemon(), SIGNAL(contextReady()), SLOT(contextReady())); - return; - } - createPulseStream(); - } -} - -void QSoundEffectPrivate::decoderError() -{ - qWarning("QSoundEffect(pulseaudio): Error decoding source"); - disconnect(m_sample, SIGNAL(error()), this, SLOT(decoderError())); - bool playingDirty = false; - if (m_playing) { - m_playing = false; - playingDirty = true; - } - setStatus(QSoundEffect::Error); - if (playingDirty) - emit playingChanged(); -} - -void QSoundEffectPrivate::unloadPulseStream() -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "unloadPulseStream"; -#endif - m_sinkInputId = -1; - PulseDaemonLocker locker; - if (m_pulseStream) { - pa_stream_set_state_callback(m_pulseStream, 0, 0); - pa_stream_set_write_callback(m_pulseStream, 0, 0); - pa_stream_set_underflow_callback(m_pulseStream, 0, 0); - pa_stream_disconnect(m_pulseStream); - pa_stream_unref(m_pulseStream); - disconnect(daemon(), SIGNAL(volumeChanged()), this, SLOT(updateVolume())); - m_pulseStream = 0; - } -} - -void QSoundEffectPrivate::prepare() -{ - if (!m_pulseStream || !m_sampleReady) - return; - PulseDaemonLocker locker; - pa_stream_set_write_callback(m_pulseStream, stream_write_callback, this); - pa_stream_set_underflow_callback(m_pulseStream, stream_underrun_callback, this); - m_stopping = false; - size_t writeBytes = size_t(qMin(m_pulseBufferSize, m_sample->data().size())); -#ifdef QT_PA_DEBUG - qDebug() << this << "prepare(): writable size =" << pa_stream_writable_size(m_pulseStream) - << "actual writeBytes =" << writeBytes - << "m_playQueued =" << m_playQueued; -#endif - m_position = int(writeBytes); - if (pa_stream_write(m_pulseStream, reinterpret_cast<void *>(const_cast<char*>(m_sample->data().data())), writeBytes, - stream_write_done_callback, 0, PA_SEEK_RELATIVE) != 0) { - qWarning("QSoundEffect(pulseaudio): pa_stream_write, error = %s", pa_strerror(pa_context_errno(daemon()->context()))); - } - if (m_playQueued) { - m_playQueued = false; - m_runningCount = m_loopCount; - playSample(); - } -} - -void QSoundEffectPrivate::uploadSample() -{ - if (m_runningCount == 0) { -#ifdef QT_PA_DEBUG - qDebug() << this << "uploadSample: return due to 0 m_runningCount"; -#endif - return; - } -#ifdef QT_PA_DEBUG - qDebug() << this << "uploadSample: m_runningCount =" << m_runningCount; -#endif - if (m_position == m_sample->data().size()) { - m_position = 0; - if (m_runningCount > 0) - m_runningCount--; - if (m_runningCount == 0) { - return; - } - } - - int writtenBytes = 0; - int writableSize = int(pa_stream_writable_size(m_pulseStream)); - int firstPartLength = qMin(m_sample->data().size() - m_position, writableSize); - if (pa_stream_write(m_pulseStream, reinterpret_cast<void *>(const_cast<char*>(m_sample->data().data()) + m_position), - firstPartLength, stream_write_done_callback, 0, PA_SEEK_RELATIVE) != 0) { - qWarning("QSoundEffect(pulseaudio): pa_stream_write, error = %s", pa_strerror(pa_context_errno(daemon()->context()))); - } - writtenBytes = firstPartLength; - m_position += firstPartLength; - if (m_position == m_sample->data().size()) { - m_position = 0; - if (m_runningCount > 0) - m_runningCount--; - if (m_runningCount != 0 && firstPartLength < writableSize) - { - while (writtenBytes < writableSize) { - int writeSize = qMin(writableSize - writtenBytes, m_sample->data().size()); - if (pa_stream_write(m_pulseStream, reinterpret_cast<void *>(const_cast<char*>(m_sample->data().data())), - writeSize, stream_write_done_callback, 0, PA_SEEK_RELATIVE) != 0) { - qWarning("QSoundEffect(pulseaudio): pa_stream_write, error = %s", pa_strerror(pa_context_errno(daemon()->context()))); - } - writtenBytes += writeSize; - if (writeSize < m_sample->data().size()) { - m_position = writeSize; - break; - } - if (m_runningCount > 0) - m_runningCount--; - if (m_runningCount == 0) - break; - } - } - } -#ifdef QT_PA_DEBUG - qDebug() << this << "uploadSample: use direct write, writeable size =" << writableSize - << "actual writtenBytes =" << writtenBytes; -#endif -} - -void QSoundEffectPrivate::playSample() -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "playSample"; -#endif - Q_ASSERT(m_pulseStream); - pa_operation_unref(pa_stream_cork(m_pulseStream, 0, 0, 0)); -} - -void QSoundEffectPrivate::stop() -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "stop"; -#endif - if (!m_playing) - return; - setPlaying(false); - PulseDaemonLocker locker; - m_stopping = true; - if (m_pulseStream) - emptyStream(); - m_runningCount = 0; - m_position = 0; - m_playQueued = false; -} - -void QSoundEffectPrivate::underRun() -{ - stop(); -} - -void QSoundEffectPrivate::streamReady() -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "streamReady"; -#endif - PulseDaemonLocker locker; - m_sinkInputId = pa_stream_get_index(m_pulseStream); - updateMuted(); - updateVolume(); -#ifdef QT_PA_DEBUG - const pa_buffer_attr *realBufAttr = pa_stream_get_buffer_attr(m_pulseStream); - qDebug() << this << "m_sinkInputId =" << m_sinkInputId - << "tlength =" << realBufAttr->tlength << "maxlength =" << realBufAttr->maxlength - << "minreq = " << realBufAttr->minreq << "prebuf =" << realBufAttr->prebuf; -#endif - prepare(); - setStatus(QSoundEffect::Ready); -} - -void QSoundEffectPrivate::createPulseStream() -{ -#ifdef QT_PA_DEBUG - qDebug() << this << "createPulseStream"; -#endif - - pa_proplist *propList = pa_proplist_new(); - pa_proplist_sets(propList, PA_PROP_MEDIA_ROLE, "soundeffect"); - pa_stream *stream = pa_stream_new_with_proplist(daemon()->context(), m_name.constData(), &m_pulseSpec, 0, propList); - pa_proplist_free(propList); - - connect(daemon(), SIGNAL(volumeChanged()), this, SLOT(updateVolume())); - - if (stream == 0) { - qWarning("QSoundEffect(pulseaudio): Failed to create stream"); - m_pulseStream = 0; - setStatus(QSoundEffect::Error); - setPlaying(false); - return; - } - else { - pa_stream_set_state_callback(stream, stream_state_callback, this); - pa_stream_set_write_callback(stream, stream_write_callback, this); - pa_stream_set_underflow_callback(stream, stream_underrun_callback, this); - } - m_pulseStream = stream; - -#ifndef QTM_PULSEAUDIO_DEFAULTBUFFER - pa_buffer_attr bufferAttr; - bufferAttr.tlength = qMin(m_sample->data().size(), QT_PA_STREAM_BUFFER_SIZE_MAX); - bufferAttr.maxlength = -1; - bufferAttr.minreq = bufferAttr.tlength / 2; - bufferAttr.prebuf = -1; - bufferAttr.fragsize = -1; - if (pa_stream_connect_playback(m_pulseStream, 0, &bufferAttr, -#else - if (pa_stream_connect_playback(m_pulseStream, 0, 0, -#endif - m_muted ? pa_stream_flags_t(PA_STREAM_START_MUTED | PA_STREAM_START_CORKED) - : pa_stream_flags_t(PA_STREAM_START_UNMUTED | PA_STREAM_START_CORKED), - 0, 0) < 0) { - qWarning("QSoundEffect(pulseaudio): Failed to connect stream, error = %s", - pa_strerror(pa_context_errno(daemon()->context()))); - } -} - -void QSoundEffectPrivate::contextReady() -{ - disconnect(daemon(), SIGNAL(contextReady()), this, SLOT(contextReady())); - PulseDaemonLocker locker; - createPulseStream(); -} - -void QSoundEffectPrivate::stream_write_callback(pa_stream *s, size_t length, void *userdata) -{ - Q_UNUSED(length); - Q_UNUSED(s) - - QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata); -#ifdef QT_PA_DEBUG - qDebug() << self << "stream_write_callback"; -#endif - self->uploadSample(); -} - -void QSoundEffectPrivate::stream_state_callback(pa_stream *s, void *userdata) -{ - QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata); - switch (pa_stream_get_state(s)) { - case PA_STREAM_READY: - { -#ifdef QT_PA_DEBUG - qDebug() << self << "pulse stream ready"; -#endif - const pa_buffer_attr *bufferAttr = pa_stream_get_buffer_attr(self->m_pulseStream); - self->m_pulseBufferSize = bufferAttr->tlength; - if (bufferAttr->prebuf > uint32_t(self->m_sample->data().size())) { - pa_buffer_attr newBufferAttr; - newBufferAttr = *bufferAttr; - newBufferAttr.prebuf = self->m_sample->data().size(); - pa_stream_set_buffer_attr(self->m_pulseStream, &newBufferAttr, stream_adjust_prebuffer_callback, userdata); - } else { - QMetaObject::invokeMethod(self, "streamReady", Qt::QueuedConnection); - } - break; - } - case PA_STREAM_CREATING: -#ifdef QT_PA_DEBUG - qDebug() << self << "pulse stream creating"; -#endif - break; - case PA_STREAM_TERMINATED: -#ifdef QT_PA_DEBUG - qDebug() << self << "pulse stream terminated"; -#endif - break; - - case PA_STREAM_FAILED: - default: - qWarning("QSoundEffect(pulseaudio): Error in pulse audio stream"); - break; - } -} - -void QSoundEffectPrivate::stream_reset_buffer_callback(pa_stream *s, int success, void *userdata) -{ - Q_UNUSED(s); - if (!success) - qWarning("QSoundEffect(pulseaudio): faild to reset buffer attribute"); - QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata); -#ifdef QT_PA_DEBUG - qDebug() << self << "stream_reset_buffer_callback"; -#endif - const pa_buffer_attr *bufferAttr = pa_stream_get_buffer_attr(self->m_pulseStream); - self->m_pulseBufferSize = bufferAttr->tlength; - if (bufferAttr->prebuf > uint32_t(self->m_sample->data().size())) { - pa_buffer_attr newBufferAttr; - newBufferAttr = *bufferAttr; - newBufferAttr.prebuf = self->m_sample->data().size(); - pa_stream_set_buffer_attr(self->m_pulseStream, &newBufferAttr, stream_adjust_prebuffer_callback, userdata); - } else { - QMetaObject::invokeMethod(self, "streamReady", Qt::QueuedConnection); - } -} - -void QSoundEffectPrivate::stream_adjust_prebuffer_callback(pa_stream *s, int success, void *userdata) -{ - Q_UNUSED(s); - if (!success) - qWarning("QSoundEffect(pulseaudio): faild to adjust pre-buffer attribute"); - QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata); -#ifdef QT_PA_DEBUG - qDebug() << self << "stream_adjust_prebuffer_callback"; -#endif - QMetaObject::invokeMethod(self, "streamReady", Qt::QueuedConnection); -} - -void QSoundEffectPrivate::setvolume_callback(pa_context *c, int success, void *userdata) -{ - Q_UNUSED(c); - Q_UNUSED(userdata); -#ifdef QT_PA_DEBUG - qDebug() << reinterpret_cast<QSoundEffectPrivate*>(userdata) << "setvolume_callback"; -#endif - if (!success) { - qWarning("QSoundEffect(pulseaudio): faild to set volume"); - } -} - -void QSoundEffectPrivate::setmuted_callback(pa_context *c, int success, void *userdata) -{ - Q_UNUSED(c); - Q_UNUSED(userdata); -#ifdef QT_PA_DEBUG - qDebug() << reinterpret_cast<QSoundEffectPrivate*>(userdata) << "setmuted_callback"; -#endif - if (!success) { - qWarning("QSoundEffect(pulseaudio): faild to set muted"); - } -} - -void QSoundEffectPrivate::stream_underrun_callback(pa_stream *s, void *userdata) -{ - Q_UNUSED(s); - QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata); -#ifdef QT_PA_DEBUG - qDebug() << self << "stream_underrun_callback"; -#endif - if (self->m_runningCount == 0 && !self->m_playQueued) - QMetaObject::invokeMethod(self, "underRun", Qt::QueuedConnection); -#ifdef QT_PA_DEBUG - else - qDebug() << "underun corked =" << pa_stream_is_corked(s); -#endif -} - -void QSoundEffectPrivate::stream_cork_callback(pa_stream *s, int success, void *userdata) -{ - Q_UNUSED(s); - if (!success) - qWarning("QSoundEffect(pulseaudio): faild to stop"); - QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata); -#ifdef QT_PA_DEBUG - qDebug() << self << "stream_cork_callback"; -#endif - QMetaObject::invokeMethod(self, "prepare", Qt::QueuedConnection); -} - -void QSoundEffectPrivate::stream_flush_callback(pa_stream *s, int success, void *userdata) -{ - Q_UNUSED(s); - if (!success) - qWarning("QSoundEffect(pulseaudio): faild to drain"); - QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata); -#ifdef QT_PA_DEBUG - qDebug() << self << "stream_flush_callback"; -#endif - QMetaObject::invokeMethod(self, "emptyComplete", Qt::QueuedConnection); -} - -void QSoundEffectPrivate::stream_write_done_callback(void *p) -{ - Q_UNUSED(p); -#ifdef QT_PA_DEBUG - qDebug() << "stream_write_done_callback"; -#endif -} - -QT_END_NAMESPACE - -#include "moc_qsoundeffect_pulse_p.cpp" -#include "qsoundeffect_pulse_p.moc" |