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C++ pa_operation_get_state函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中pa_operation_get_state函数的典型用法代码示例。如果您正苦于以下问题：C++ pa_operation_get_state函数的具体用法？C++ pa_operation_get_state怎么用？C++ pa_operation_get_state使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了pa_operation_get_state函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: lock

void QPulseAudioEngine::updateDevices()
{
    lock();

    // Get default input and output devices
    pa_operation *operation = pa_context_get_server_info(m_context, serverInfoCallback, this);
    while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
        pa_threaded_mainloop_wait(m_mainLoop);
    pa_operation_unref(operation);

    // Get output devices
    operation = pa_context_get_sink_info_list(m_context, sinkInfoCallback, this);
    while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
        pa_threaded_mainloop_wait(m_mainLoop);
    pa_operation_unref(operation);

    // Get input devices
    operation = pa_context_get_source_info_list(m_context, sourceInfoCallback, this);
    while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
        pa_threaded_mainloop_wait(m_mainLoop);
    pa_operation_unref(operation);

    unlock();

    // Swap the default output to index 0
    m_sinks.removeOne(m_defaultSink);
    m_sinks.prepend(m_defaultSink);

    // Swap the default input to index 0
    m_sources.removeOne(m_defaultSource);
    m_sources.prepend(m_defaultSource);
}
开发者ID:venkatarajasekhar，项目名称:Qt，代码行数:32，代码来源:qpulseaudioengine.cpp


示例2: PulseAudio_set_volume

static PyObject* PulseAudio_set_volume(output_PulseAudio *self, PyObject *args)
{
    pa_cvolume cvolume;
    pa_operation *op;
    struct get_volume_cb_data cb_data = {self->mainloop, &cvolume};
    double new_volume_d;
    pa_volume_t new_volume;

    if (!PyArg_ParseTuple(args, "d", &new_volume_d))
        return NULL;

    /*ensure output stream is still running*/
    /*FIXME*/

    /*convert volume to integer pa_volume_t value between
      PA_VOLUME_MUTED and PA_VOLUME_NORM*/
    new_volume = round(new_volume_d * PA_VOLUME_NORM);

    pa_threaded_mainloop_lock(self->mainloop);

    /*query stream info for current sink*/
    op = pa_context_get_sink_info_by_index(
        self->context,
        pa_stream_get_device_index(self->stream),
        (pa_sink_info_cb_t)get_volume_callback,
        &cb_data);

    /*wait for callback to complete*/
    while (pa_operation_get_state(op) == PA_OPERATION_RUNNING) {
        pa_threaded_mainloop_wait(self->mainloop);
    }

    pa_operation_unref(op);

    /*scale values using the new volume setting*/
    pa_cvolume_scale(&cvolume, new_volume);

    /*set sink's volume values*/
    op = pa_context_set_sink_volume_by_index(
        self->context,
        pa_stream_get_device_index(self->stream),
        &cvolume,
        (pa_context_success_cb_t)set_volume_callback,
        self->mainloop);

    /*wait for callback to complete*/
    while (pa_operation_get_state(op) == PA_OPERATION_RUNNING) {
        pa_threaded_mainloop_wait(self->mainloop);
    }

    pa_operation_unref(op);

    pa_threaded_mainloop_unlock(self->mainloop);

    Py_INCREF(Py_None);
    return Py_None;
}
开发者ID:KristoforMaynard，项目名称:python-audio-tools，代码行数:57，代码来源:pulseaudio.c


示例3: waitop

/**
 * \brief waits for a pulseaudio operation to finish, frees it and
 *        unlocks the mainloop
 * \param op operation to wait for
 * \return 1 if operation has finished normally (DONE state), 0 otherwise
 */
static int waitop(struct priv *priv, pa_operation *op)
{
    if (!op) {
        pa_threaded_mainloop_unlock(priv->mainloop);
        return 0;
    }
    pa_operation_state_t state = pa_operation_get_state(op);
    while (state == PA_OPERATION_RUNNING) {
        pa_threaded_mainloop_wait(priv->mainloop);
        state = pa_operation_get_state(op);
    }
    pa_operation_unref(op);
    pa_threaded_mainloop_unlock(priv->mainloop);
    return state == PA_OPERATION_DONE;
}
开发者ID:Newbleeto，项目名称:mplayer2，代码行数:21，代码来源:ao_pulse.c


示例4: play_timeout

static gboolean
play_timeout (MokoNotify *notify)
{
  MokoNotifyPrivate *priv;

  g_return_val_if_fail (MOKO_IS_NOTIFY (notify), FALSE);
  priv = notify->priv;

  if (!priv->pac)
    return FALSE;

  if (!priv->operation)
  {
    g_debug ("No operation");
    return FALSE;
  }
  if (!priv->started)
  {
    pa_operation_cancel (priv->operation);
    g_debug ("Cancelling early");
    return FALSE;
  }
  if (pa_operation_get_state (priv->operation) == PA_OPERATION_DONE)
  {
    g_timeout_add (1500, (GSourceFunc)play, (gpointer)notify);
    g_debug ("Playing done");
    return FALSE;
  }
  g_debug ("Not finshed yet");
  return TRUE;
}
开发者ID:shr-project，项目名称:shr，代码行数:31，代码来源:notify.c


示例5: pa_simple_cork

int pa_simple_cork(pa_simple *p, int cork, int *rerror) {
    pa_operation *o = NULL;

    pa_assert(p);

    pa_threaded_mainloop_lock(p->mainloop);
    CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);

    o = pa_stream_cork(p->stream, cork, success_context_cb, p);
    CHECK_SUCCESS_GOTO(p, rerror, o, unlock_and_fail);

    p->operation_success = 0;
    while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
        pa_threaded_mainloop_wait(p->mainloop);
        CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
    }
    CHECK_SUCCESS_GOTO(p, rerror, p->operation_success, unlock_and_fail);

    pa_operation_unref(o);
    pa_threaded_mainloop_unlock(p->mainloop);

    return 0;

unlock_and_fail:

    if (o) {
        pa_operation_cancel(o);
        pa_operation_unref(o);
    }

    pa_threaded_mainloop_unlock(p->mainloop);
    return -1;
}
开发者ID:tizenorg，项目名称:framework.multimedia.pulseaudio，代码行数:33，代码来源:simple.c


示例6: pa_simple_flush

int pa_simple_flush(pa_simple *p, int *rerror) {
    pa_operation *o = NULL;

    pa_assert(p);

    CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1);

    pa_threaded_mainloop_lock(p->mainloop);
    CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);

    o = pa_stream_flush(p->stream, success_cb, p);
    CHECK_SUCCESS_GOTO(p, rerror, o, unlock_and_fail);

    p->operation_success = 0;
    while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
        pa_threaded_mainloop_wait(p->mainloop);
        CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
    }
    CHECK_SUCCESS_GOTO(p, rerror, p->operation_success, unlock_and_fail);

    pa_operation_unref(o);
    pa_threaded_mainloop_unlock(p->mainloop);

    return 0;

unlock_and_fail:

    if (o) {
        pa_operation_cancel(o);
        pa_operation_unref(o);
    }

    pa_threaded_mainloop_unlock(p->mainloop);
    return -1;
}
开发者ID:KOLIA112，项目名称:pulseaudio，代码行数:35，代码来源:simple.c


示例7: PulseAudio_resume

static PyObject* PulseAudio_resume(output_PulseAudio *self, PyObject *args)
{
    /*ensure output stream is still running*/
    /*FIXME*/

    /*uncork output stream, if corked*/
    pa_threaded_mainloop_lock(self->mainloop);

    if (pa_stream_is_corked(self->stream)) {
        pa_operation *op = pa_stream_cork(
            self->stream,
            0,
            (pa_stream_success_cb_t)success_callback,
            self->mainloop);

        while (pa_operation_get_state(op) == PA_OPERATION_RUNNING) {
            pa_threaded_mainloop_wait(self->mainloop);
        }

        pa_operation_unref(op);
    }

    pa_threaded_mainloop_unlock(self->mainloop);

    Py_INCREF(Py_None);
    return Py_None;
}
开发者ID:KristoforMaynard，项目名称:python-audio-tools，代码行数:27，代码来源:pulseaudio.c


示例8: pulse_enumerate_devices

/*
 * enumerate input/output devices
 */
static void pulse_enumerate_devices(obs_properties_t props, bool input)
{
	pa_context *c;
	pa_operation *op;
	pa_threaded_mainloop *m = pa_threaded_mainloop_new();
	struct pulse_enumerate e;

	e.mainloop = m;
	e.devices = obs_properties_add_list(props, "device_id", "Device",
		OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_STRING);
	e.input = input;

	pa_threaded_mainloop_start(m);
	c = pulse_context_create(m);

	if (pulse_context_connect(m, c) < 0)
		goto fail;

	pa_threaded_mainloop_lock(m);

	op = pa_context_get_source_info_list(c, pulse_source_info, (void *) &e);
	while (pa_operation_get_state(op) == PA_OPERATION_RUNNING)
		pa_threaded_mainloop_wait(m);
	pa_operation_unref(op);

	pa_threaded_mainloop_unlock(m);

	pa_context_disconnect(c);
fail:
	pa_context_unref(c);
	pa_threaded_mainloop_stop(m);
	pa_threaded_mainloop_free(m);
}
开发者ID:Jhonthe7th，项目名称:obs-studio，代码行数:36，代码来源:pulse-input.c


示例9: getContext

bool PulseSubscription::run()
{
	pa_context *context = getContext();
	pa_operation *operation;
	mainLoopLock();

	// Must assume only one subscription will be alive. Can fix this if needed one day.
	pa_context_set_subscribe_callback(context, _subscribe_callback, this);

	m_triggered = 0;
	operation = pa_context_subscribe(context,
			(pa_subscription_mask_t)( PA_SUBSCRIPTION_MASK_SOURCE |
			PA_SUBSCRIPTION_MASK_SINK |
			PA_SUBSCRIPTION_MASK_MODULE),
			NULL,
			NULL);

	while(pa_operation_get_state(operation) != PA_OPERATION_CANCELLED){
		mainLoopWait();
		if(m_triggered){
			fireEvent();
			m_triggered = 0;
		}
	}

	pa_operation_unref(operation);
	mainLoopUnlock();
	return true;
}
开发者ID:jinuahn，项目名称:raspberry-pi-bluetooth，代码行数:29，代码来源:PulseSubscription.cpp


示例10: Close

/*****************************************************************************
 * Close: close the audio device
 *****************************************************************************/
static void Close ( vlc_object_t *p_this )
{
    aout_instance_t *p_aout = (aout_instance_t *)p_this;
    struct aout_sys_t * p_sys = p_aout->output.p_sys;

    msg_Dbg(p_aout, "Pulse Close");

    if(p_sys->stream){
        pa_operation *o;
        pa_threaded_mainloop_lock(p_sys->mainloop);
        pa_stream_set_write_callback(p_sys->stream, NULL, NULL);

        if((o = pa_stream_drain(p_sys->stream, success_cb, p_aout))){
            while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
                CHECK_DEAD_GOTO(fail);
                pa_threaded_mainloop_wait(p_sys->mainloop);
            }

        fail:

            pa_operation_unref(o);
        }

        pa_threaded_mainloop_unlock(p_sys->mainloop);
    }
    uninit(p_aout);
}
开发者ID:Kafay，项目名称:vlc，代码行数:30，代码来源:pulse.c


示例11: drvHostPulseAudioWaitFor

/**
 * Synchronously wait until an operation completed.
 */
static int drvHostPulseAudioWaitFor(pa_operation *pOP, RTMSINTERVAL cMsTimeout)
{
    AssertPtrReturn(pOP, VERR_INVALID_POINTER);

    int rc = VINF_SUCCESS;
    if (pOP)
    {
        uint64_t u64StartMs = RTTimeMilliTS();
        while (pa_operation_get_state(pOP) == PA_OPERATION_RUNNING)
        {
            if (!g_fAbortMainLoop)
                pa_threaded_mainloop_wait(g_pMainLoop);
            g_fAbortMainLoop = false;

            uint64_t u64ElapsedMs = RTTimeMilliTS() - u64StartMs;
            if (u64ElapsedMs >= cMsTimeout)
            {
                rc = VERR_TIMEOUT;
                break;
            }
        }

        pa_operation_unref(pOP);
    }

    return rc;
}
开发者ID:bhanug，项目名称:virtualbox，代码行数:30，代码来源:DrvHostPulseAudio.cpp


示例12: xmms_pulse_backend_volume_get

int xmms_pulse_backend_volume_get (xmms_pulse *p, unsigned int *vol)
{
	pa_operation *o;
	int idx;

	if (p == NULL) {
		return FALSE;
	}

	pa_threaded_mainloop_lock (p->mainloop);

	*vol = -1;

	if (p->stream != NULL) {
		idx = pa_stream_get_index (p->stream);

		o = pa_context_get_sink_input_info (p->context, idx,
		                                    volume_get_cb, vol);

		if (o) {
			while (pa_operation_get_state (o) != PA_OPERATION_DONE) {
				pa_threaded_mainloop_wait (p->mainloop);
			}

			pa_operation_unref (o);
		}
	}

	pa_threaded_mainloop_unlock (p->mainloop);

	return *vol != -1;
}
开发者ID:chrippa，项目名称:xmms2，代码行数:32，代码来源:backend.c


示例13: pulse_flush

static void pulse_flush(int time) {
    pa_operation *o = NULL;
    int success = 0;

    CHECK_CONNECTED();

    pa_threaded_mainloop_lock(mainloop);
    CHECK_DEAD_GOTO(fail, 1);

    written = time * (int64_t) bytes_per_second / 1000;
    flush_time = time;

    if (!(o = pa_stream_flush(stream, stream_success_cb, &success))) {
        AUDDBG("pa_stream_flush() failed: %s", pa_strerror(pa_context_errno(context)));
        goto fail;
    }

    while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
        CHECK_DEAD_GOTO(fail, 1);
        pa_threaded_mainloop_wait(mainloop);
    }

    if (!success)
        AUDDBG("pa_stream_flush() failed: %s", pa_strerror(pa_context_errno(context)));

fail:
    if (o)
        pa_operation_unref(o);

    pa_threaded_mainloop_unlock(mainloop);
}
开发者ID:Pitxyoki，项目名称:audacious-plugins，代码行数:31，代码来源:pulse_audio.c


示例14: pulse_drain

static void pulse_drain(void) {
    pa_operation *o = NULL;
    int success = 0;

    CHECK_CONNECTED();

    pa_threaded_mainloop_lock(mainloop);
    CHECK_DEAD_GOTO(fail, 0);

    if (!(o = pa_stream_drain(stream, stream_success_cb, &success))) {
        AUDDBG("pa_stream_drain() failed: %s", pa_strerror(pa_context_errno(context)));
        goto fail;
    }

    while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
        CHECK_DEAD_GOTO(fail, 1);
        pa_threaded_mainloop_wait(mainloop);
    }

    if (!success)
        AUDDBG("pa_stream_drain() failed: %s", pa_strerror(pa_context_errno(context)));

fail:
    if (o)
        pa_operation_unref(o);

    pa_threaded_mainloop_unlock(mainloop);
}
开发者ID:Pitxyoki，项目名称:audacious-plugins，代码行数:28，代码来源:pulse_audio.c


示例15: wait_for_operation

/** Wait until the specified operation completes */
static void wait_for_operation(struct pa_operation *o) {
    assert(o && context && mainloop);

    while (pa_operation_get_state(o) == PA_OPERATION_RUNNING)
        pa_mainloop_iterate(mainloop, 1, NULL);

    pa_operation_unref(o);
}
开发者ID:OpenSageTV，项目名称:mplayer-sage9orig，代码行数:9，代码来源:ao_polyp.c


示例16: pa_stream_drain

void PulseOutput::drain() {
  if (stream) {
    pa_operation * operation = pa_stream_drain(stream,nullptr,nullptr);
    while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
      context->wait_plugin_events();
    pa_operation_unref(operation);
    }
  }
开发者ID:gogglesmm，项目名称:gogglesmm，代码行数:8，代码来源:ap_pulse.cpp


示例17: tsmf_pulse_wait_for_operation

static void
tsmf_pulse_wait_for_operation(TSMFPulseAudioDevice * pulse, pa_operation * operation)
{
	while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
	{
		pa_threaded_mainloop_wait(pulse->mainloop);
	}
	pa_operation_unref(operation);
}
开发者ID:FreeRDP，项目名称:FreeRDP-old，代码行数:9，代码来源:tsmf_pulse.c


示例18: operation_wait

static void
operation_wait(cubeb * ctx, pa_operation * o)
{
  for (;;) {
    if (pa_operation_get_state(o) != PA_OPERATION_RUNNING)
      break;
    pa_threaded_mainloop_wait(ctx->mainloop);
  }
}
开发者ID:rillian，项目名称:cubeb，代码行数:9，代码来源:cubeb_pulse.c


示例19: gst_pulsesrc_get_stream_mute

static gboolean
gst_pulsesrc_get_stream_mute (GstPulseSrc * pulsesrc)
{
  pa_operation *o = NULL;
  gboolean mute;

  if (!pulsesrc->mainloop)
    goto no_mainloop;

  if (pulsesrc->source_output_idx == PA_INVALID_INDEX)
    goto no_index;

  pa_threaded_mainloop_lock (pulsesrc->mainloop);

  if (!(o = pa_context_get_source_output_info (pulsesrc->context,
              pulsesrc->source_output_idx, gst_pulsesrc_source_output_info_cb,
              pulsesrc)))
    goto info_failed;

  while (pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
    pa_threaded_mainloop_wait (pulsesrc->mainloop);
    if (gst_pulsesrc_is_dead (pulsesrc, TRUE))
      goto unlock;
  }

unlock:
  mute = pulsesrc->mute;

  if (o)
    pa_operation_unref (o);

  pa_threaded_mainloop_unlock (pulsesrc->mainloop);

  return mute;

  /* ERRORS */
no_mainloop:
  {
    mute = pulsesrc->mute;
    GST_DEBUG_OBJECT (pulsesrc, "we have no mainloop");
    return mute;
  }
no_index:
  {
    mute = pulsesrc->mute;
    GST_DEBUG_OBJECT (pulsesrc, "we don't have a stream index");
    return mute;
  }
info_failed:
  {
    GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED,
        ("pa_context_get_source_output_info() failed: %s",
            pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
    goto unlock;
  }
}
开发者ID:PeterXu，项目名称:gst-mobile，代码行数:56，代码来源:pulsesrc.c


示例20: WaitForOperation

static bool WaitForOperation(pa_operation *op, pa_threaded_mainloop *mainloop, const char *LogEntry = "")
{
  if (op == NULL)
    return false;

  bool sucess = true;

  while (pa_operation_get_state(op) == PA_OPERATION_RUNNING)
    pa_threaded_mainloop_wait(mainloop);

  if (pa_operation_get_state(op) != PA_OPERATION_DONE)
  {
    CLog::Log(LOGERROR, "PulseAudio: %s Operation failed", LogEntry);
    sucess = false;
  }

  pa_operation_unref(op);
  return sucess;
}
开发者ID:2BReality，项目名称:xbmc，代码行数:19，代码来源:PulseAE.cpp



注：本文中的pa_operation_get_state函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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