示例#1
0
文件: BZip2Archive.cpp 项目: bks/qz7
bool BZip2Archive::extract(const quint64 index, QIODevice *target)
{
    if (index != 0) {
        setErrorString(tr("index out of bounds"));
        return false;
    }

    if (!seek(0, RelativeToBeginning, 0))
        return errorIoDevice(inputDevice());

    CompressionCodec *decoder = CreateDecoderForName("BZip2", this);

    if (!decoder)
        return errorOutOfMemory();

    decoder->setInputDevice(inputDevice());
    decoder->setOutputDevice(target);

    bool ret = decoder->code();

    if (!ret)
        setErrorString(decoder->errorString());

    delete decoder;

    return ret;
}
void MusicAudioRecorderWidget::createAudioInput()
{
    if (m_mpInputDevSound != 0)
    {
        disconnect(m_mpInputDevSound, 0, this, 0);
        m_mpInputDevSound = 0;
    }
    QAudioDeviceInfo inputDevice(QAudioDeviceInfo::defaultInputDevice());
    m_mpAudioInputSound = new QAudioInput(inputDevice, m_mFormatSound, this);
}
示例#3
0
void MidiPlugin::closeInput(quint32 input)
{
    qDebug() << Q_FUNC_INFO;

    MidiInputDevice* dev = inputDevice(input);
    if (dev != NULL && dev->isOpen() == true)
    {
        dev->close();
        disconnect(dev, SIGNAL(valueChanged(QVariant,ushort,uchar)),
                   this, SLOT(slotValueChanged(QVariant,ushort,uchar)));
    }
}
示例#4
0
void MidiPlugin::openInput(quint32 input)
{
    qDebug() << "MIDI Plugin open Input: " << input;

    MidiInputDevice* dev = inputDevice(input);
    if (dev != NULL && dev->isOpen() == false)
    {
        dev->open();
        connect(dev, SIGNAL(valueChanged(QVariant,ushort,uchar)),
                this, SLOT(slotValueChanged(QVariant,ushort,uchar)));
    }
}
示例#5
0
文件: BZip2Archive.cpp 项目: bks/qz7
// bzip2 archives are very simple: they're simply the compressed stream
// dumped to a file(!)
bool BZip2Archive::open(QIODevice *file, const quint64 maxCheckStartPosition)
{
    pushInputDevice(file);

    QByteArray sig;
    if (!readBuffer(&sig, 3))
        return errorIoDevice(inputDevice());

    if (sig != "BZh")
        return errorBadMagic("bzip2");

    if (!seek(0, RelativeToBeginning, 0))
        return errorIoDevice(inputDevice());

    ArchiveItem item;
    item.setProperty(ArchiveItem::CompressedSize, inputDevice()->size());
    item.setProperty(ArchiveItem::CompressionMethod, ArchiveItem::CompressionMethodBzip2);

    addItem(item);
    return true;
}
示例#6
0
QString MidiPlugin::inputInfo(quint32 input)
{
    qDebug() << Q_FUNC_INFO;

    QString str;
/*
    str += QString("<HTML>");
    str += QString("<HEAD>");
    str += QString("<TITLE>%1</TITLE>").arg(name());
    str += QString("</HEAD>");
    str += QString("<BODY>");
*/
    if (input == QLCIOPlugin::invalidLine())
    {
        str += QString("<BR><B>%1</B>").arg(tr("No input support available."));
        return str;
    }

    MidiInputDevice* dev = inputDevice(input);
    if (dev != NULL)
    {
        QString status;
        str += QString("<H3>%1 %2</H3>").arg(tr("Input")).arg(inputs()[input]);
        str += QString("<P>");
        if (dev->isOpen() == true)
            status = tr("Open");
        else
            status = tr("Not Open");
        str += QString("%1: %2").arg(tr("Status")).arg(status);
        str += QString("</P>");
    }
    else
    {
        if (input < (quint32)inputs().length())
            str += QString("<H3>%1 %2</H3>").arg(tr("Invalid Input")).arg(inputs()[input]);
    }

    str += QString("</BODY>");
    str += QString("</HTML>");

    return str;
}
示例#7
0
void PulseAudioSystem::eventCallback(pa_mainloop_api *api, pa_defer_event *) {
	api->defer_enable(pade, false);

	if (! bSourceDone || ! bSinkDone || ! bServerDone)
		return;

	AudioInputPtr ai = g.ai;
	AudioOutputPtr ao = g.ao;
	AudioInput *raw_ai = ai.get();
	AudioOutput *raw_ao = ao.get();
	PulseAudioInput *pai = dynamic_cast<PulseAudioInput *>(raw_ai);
	PulseAudioOutput *pao = dynamic_cast<PulseAudioOutput *>(raw_ao);

	if (raw_ao) {
		QString odev = outputDevice();
		pa_stream_state ost = pasOutput ? pa_stream_get_state(pasOutput) : PA_STREAM_TERMINATED;
		bool do_stop = false;
		bool do_start = false;

		if (! pao && (ost == PA_STREAM_READY)) {
			do_stop = true;
		} else if (pao) {
			switch (ost) {
				case PA_STREAM_TERMINATED: {
						if (pasOutput)
							pa_stream_unref(pasOutput);

						pa_sample_spec pss = qhSpecMap.value(odev);
						pa_channel_map pcm = qhChanMap.value(odev);
						if ((pss.format != PA_SAMPLE_FLOAT32NE) && (pss.format != PA_SAMPLE_S16NE))
							pss.format = PA_SAMPLE_FLOAT32NE;
						if (pss.rate == 0)
							pss.rate = SAMPLE_RATE;
						if ((pss.channels == 0) || (! g.s.doPositionalAudio()))
							pss.channels = 1;

						pasOutput = pa_stream_new(pacContext, mumble_sink_input, &pss, (pss.channels == 1) ? NULL : &pcm);
						pa_stream_set_state_callback(pasOutput, stream_callback, this);
						pa_stream_set_write_callback(pasOutput, write_callback, this);
					}
				case PA_STREAM_UNCONNECTED:
					do_start = true;
					break;
				case PA_STREAM_READY: {
						if (g.s.iOutputDelay != iDelayCache) {
							do_stop = true;
						} else if (g.s.doPositionalAudio() != bPositionalCache) {
							do_stop = true;
						} else if (odev != qsOutputCache) {
							do_stop = true;
						}
						break;
					}
				default:
					break;
			}
		}
		if (do_stop) {
			qWarning("PulseAudio: Stopping output");
			pa_stream_disconnect(pasOutput);
			iSinkId = -1;
		} else if (do_start) {
			qWarning("PulseAudio: Starting output: %s", qPrintable(odev));
			pa_buffer_attr buff;
			const pa_sample_spec *pss = pa_stream_get_sample_spec(pasOutput);
			const size_t sampleSize = (pss->format == PA_SAMPLE_FLOAT32NE) ? sizeof(float) : sizeof(short);
			const unsigned int iBlockLen = ((pao->iFrameSize * pss->rate) / SAMPLE_RATE) * pss->channels * static_cast<unsigned int>(sampleSize);
			buff.tlength = iBlockLen * (g.s.iOutputDelay+1);
			buff.minreq = iBlockLen;
			buff.maxlength = -1;
			buff.prebuf = -1;
			buff.fragsize = iBlockLen;

			iDelayCache = g.s.iOutputDelay;
			bPositionalCache = g.s.doPositionalAudio();
			qsOutputCache = odev;

			pa_stream_connect_playback(pasOutput, qPrintable(odev), &buff, PA_STREAM_ADJUST_LATENCY, NULL, NULL);
			pa_context_get_sink_info_by_name(pacContext, qPrintable(odev), sink_info_callback, this);
		}
	}

	if (raw_ai) {
		QString idev = inputDevice();
		pa_stream_state ist = pasInput ? pa_stream_get_state(pasInput) : PA_STREAM_TERMINATED;
		bool do_stop = false;
		bool do_start = false;

		if (! pai && (ist == PA_STREAM_READY)) {
			do_stop = true;
		} else if (pai) {
			switch (ist) {
				case PA_STREAM_TERMINATED: {
						if (pasInput)
							pa_stream_unref(pasInput);

						pa_sample_spec pss = qhSpecMap.value(idev);
						if ((pss.format != PA_SAMPLE_FLOAT32NE) && (pss.format != PA_SAMPLE_S16NE))
							pss.format = PA_SAMPLE_FLOAT32NE;
						if (pss.rate == 0)
							pss.rate = SAMPLE_RATE;
						pss.channels = 1;

						pasInput = pa_stream_new(pacContext, "Microphone", &pss, NULL);
						pa_stream_set_state_callback(pasInput, stream_callback, this);
						pa_stream_set_read_callback(pasInput, read_callback, this);
					}
				case PA_STREAM_UNCONNECTED:
					do_start = true;
					break;
				case PA_STREAM_READY: {
						if (idev != qsInputCache) {
							do_stop = true;
						}
						break;
					}
				default:
					break;
			}
		}
		if (do_stop) {
			qWarning("PulseAudio: Stopping input");
			pa_stream_disconnect(pasInput);
		} else if (do_start) {
			qWarning("PulseAudio: Starting input %s",qPrintable(idev));
			pa_buffer_attr buff;
			const pa_sample_spec *pss = pa_stream_get_sample_spec(pasInput);
			const size_t sampleSize = (pss->format == PA_SAMPLE_FLOAT32NE) ? sizeof(float) : sizeof(short);
			const unsigned int iBlockLen = ((pai->iFrameSize * pss->rate) / SAMPLE_RATE) * pss->channels * static_cast<unsigned int>(sampleSize);
			buff.tlength = iBlockLen;
			buff.minreq = iBlockLen;
			buff.maxlength = -1;
			buff.prebuf = -1;
			buff.fragsize = iBlockLen;

			qsInputCache = idev;

			pa_stream_connect_record(pasInput, qPrintable(idev), &buff, PA_STREAM_ADJUST_LATENCY);
		}
	}

	if (raw_ai) {
		QString odev = outputDevice();
		QString edev = qhEchoMap.value(odev);
		pa_stream_state est = pasSpeaker ? pa_stream_get_state(pasSpeaker) : PA_STREAM_TERMINATED;
		bool do_stop = false;
		bool do_start = false;

		if ((! pai || ! g.s.doEcho()) && (est == PA_STREAM_READY)) {
			do_stop = true;
		} else if (pai && g.s.doEcho()) {
			switch (est) {
				case PA_STREAM_TERMINATED: {
						if (pasSpeaker)
							pa_stream_unref(pasSpeaker);

						pa_sample_spec pss = qhSpecMap.value(edev);
						pa_channel_map pcm = qhChanMap.value(edev);
						if ((pss.format != PA_SAMPLE_FLOAT32NE) && (pss.format != PA_SAMPLE_S16NE))
							pss.format = PA_SAMPLE_FLOAT32NE;
						if (pss.rate == 0)
							pss.rate = SAMPLE_RATE;
						if ((pss.channels == 0) || (! g.s.bEchoMulti))
							pss.channels = 1;

						pasSpeaker = pa_stream_new(pacContext, mumble_echo, &pss, (pss.channels == 1) ? NULL : &pcm);
						pa_stream_set_state_callback(pasSpeaker, stream_callback, this);
						pa_stream_set_read_callback(pasSpeaker, read_callback, this);
					}
				case PA_STREAM_UNCONNECTED:
					do_start = true;
					break;
				case PA_STREAM_READY: {
						if (g.s.bEchoMulti != bEchoMultiCache) {
							do_stop = true;
						} else if (edev != qsEchoCache) {
							do_stop = true;
						}
						break;
					}
				default:
					break;
			}
		}
		if (do_stop) {
			qWarning("PulseAudio: Stopping echo");
			pa_stream_disconnect(pasSpeaker);
		} else if (do_start) {
			qWarning("PulseAudio: Starting echo: %s", qPrintable(edev));
			pa_buffer_attr buff;
			const pa_sample_spec *pss = pa_stream_get_sample_spec(pasSpeaker);
			const size_t sampleSize = (pss->format == PA_SAMPLE_FLOAT32NE) ? sizeof(float) : sizeof(short);
			const unsigned int iBlockLen = ((pai->iFrameSize * pss->rate) / SAMPLE_RATE) * pss->channels * static_cast<unsigned int>(sampleSize);
			buff.tlength = iBlockLen;
			buff.minreq = iBlockLen;
			buff.maxlength = -1;
			buff.prebuf = -1;
			buff.fragsize = iBlockLen;

			bEchoMultiCache = g.s.bEchoMulti;
			qsEchoCache = edev;

			pa_stream_connect_record(pasSpeaker, qPrintable(edev), &buff, PA_STREAM_ADJUST_LATENCY);
		}
	}
}
示例#8
0
void MidiEnumeratorPrivate::rescan()
{
    qDebug() << Q_FUNC_INFO;

    if (m_alsa == NULL)
        return;

    bool changed = false;
    QList <MidiOutputDevice*> destroyOutputs(m_outputDevices);
    QList <MidiInputDevice*> destroyInputs(m_inputDevices);

    snd_seq_client_info_t* clientInfo = NULL;
    snd_seq_client_info_alloca(&clientInfo);

    snd_seq_port_info_t* portInfo = NULL;
    snd_seq_port_info_alloca(&portInfo);

    snd_seq_client_info_set_client(clientInfo, 0);
    while (snd_seq_query_next_client(m_alsa, clientInfo) == 0)
    {
        /* Get the client ID */
        int client = snd_seq_client_info_get_client(clientInfo);

        /* Ignore our own client */
        if (m_address->client == client)
            continue;

        /* Go thru all available ports in the client */
        snd_seq_port_info_set_client(portInfo, client);
        snd_seq_port_info_set_port(portInfo, -1);
        while (snd_seq_query_next_port(m_alsa, portInfo) == 0)
        {
            const snd_seq_addr_t* address = snd_seq_port_info_get_addr(portInfo);
            if (address == NULL)
                continue;

            uint caps = snd_seq_port_info_get_capability(portInfo);
            if (caps & SND_SEQ_PORT_CAP_READ)
            {
                // Don't expose own ports
                QString name = AlsaMidiUtil::extractName(m_alsa, address);
                if (name.contains("__QLC__") == true)
                    continue;

                QVariant uid = AlsaMidiUtil::addressToVariant(address);
                MidiInputDevice* dev = inputDevice(uid);
                if (dev == NULL)
                {
                    AlsaMidiInputDevice* dev = new AlsaMidiInputDevice(
                            uid, name, address, m_alsa, m_inputThread, this);
                    m_inputDevices << dev;
                    changed = true;
                }
                else
                {
                    destroyInputs.removeAll(dev);
                }
            }

            if (caps & SND_SEQ_PORT_CAP_WRITE)
            {
                // Don't expose own ports
                QString name = AlsaMidiUtil::extractName(m_alsa, address);
                if (name.contains("__QLC__") == true)
                    continue;

                QVariant uid = AlsaMidiUtil::addressToVariant(address);
                MidiOutputDevice* dev = outputDevice(uid);
                if (dev == NULL)
                {
                    AlsaMidiOutputDevice* dev = new AlsaMidiOutputDevice(
                                    uid, name, address, m_alsa, m_address, this);
                    m_outputDevices << dev;
                    changed = true;
                }
                else
                {
                    destroyOutputs.removeAll(dev);
                }
            }
        }
    }

    foreach (MidiOutputDevice* dev, destroyOutputs)
    {
        m_outputDevices.removeAll(dev);
        delete dev;
        changed = true;
    }
void MidiEnumeratorPrivate::rescan()
{
    qDebug() << Q_FUNC_INFO;

    bool changed = false;
    QList <MidiOutputDevice*> destroyOutputs(m_outputDevices);
    QList <MidiInputDevice*> destroyInputs(m_inputDevices);

    /* Find out which devices are still present */
    ItemCount numDevices = MIDIGetNumberOfDevices();
    for (ItemCount devIndex = 0; devIndex < numDevices; devIndex++)
    {
        MIDIDeviceRef dev = MIDIGetDevice(devIndex);
        ItemCount numEntities = MIDIDeviceGetNumberOfEntities(dev);
        for (ItemCount entIndex = 0; entIndex < numEntities; entIndex++)
        {
            MIDIEntityRef entity = MIDIDeviceGetEntity(dev, entIndex);

            /* Get the entity's UID */
            QVariant uid = extractUID(entity);
            if (uid.isValid() == false)
                continue;

            QString name = extractName(entity);
            qDebug() << Q_FUNC_INFO << "Found device:" << name << "UID:" << uid.toString();

            ItemCount destCount = MIDIEntityGetNumberOfDestinations(entity);
            if (destCount > 0)
            {
                MidiOutputDevice* dev = outputDevice(uid);
                if (dev == NULL)
                {
                    CoreMidiOutputDevice* dev = new CoreMidiOutputDevice(
                        uid, name, entity, m_client, this);
                    m_outputDevices << dev;
                    changed = true;
                }
                else
                {
                    destroyOutputs.removeAll(dev);
                }
            }

            ItemCount srcCount = MIDIEntityGetNumberOfSources(entity);
            if (srcCount > 0)
            {
                MidiInputDevice* dev = inputDevice(uid);
                if (dev == NULL)
                {
                    CoreMidiInputDevice* dev = new CoreMidiInputDevice(
                        uid, name, entity, m_client, this);
                    m_inputDevices << dev;
                    changed = true;
                }
                else
                {
                    destroyInputs.removeAll(dev);
                }
            }
        }
    }

    foreach (MidiOutputDevice* dev, destroyOutputs)
    {
        m_outputDevices.removeAll(dev);
        delete dev;
        changed = true;
    }