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C++ GstAggregatorClass类代码示例

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


在下文中一共展示了GstAggregatorClass类的8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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: src_query_func

static gboolean
src_query_func (GstPad * pad, GstObject * parent, GstQuery * query)
{
  GstAggregatorClass *klass = GST_AGGREGATOR_GET_CLASS (parent);

  return klass->src_query (GST_AGGREGATOR (parent), query);
}
开发者ID:kakaroto，项目名称:gst-plugins-bad，代码行数:7，代码来源:gstaggregator.c

示例2: aggregate_func

static gboolean
aggregate_func (GstAggregator * self)
{
  GstAggregatorPrivate *priv = self->priv;
  GstAggregatorClass *klass = GST_AGGREGATOR_GET_CLASS (self);

  GST_LOG_OBJECT (self, "Checking aggregate");
  while (priv->send_eos && gst_aggregator_iterate_sinkpads (self,
          (GstAggregatorPadForeachFunc) _check_all_pads_with_data_or_eos,
          NULL) && priv->running) {
    GST_TRACE_OBJECT (self, "Actually aggregating!");

    priv->flow_return = klass->aggregate (self);

    if (priv->flow_return == GST_FLOW_EOS) {
      g_main_context_wakeup (self->priv->mcontext);
      _remove_all_sources (self);
      _push_eos (self);
    }

    if (priv->flow_return == GST_FLOW_FLUSHING &&
        g_atomic_int_get (&priv->flush_seeking))
      priv->flow_return = GST_FLOW_OK;

    GST_LOG_OBJECT (self, "flow return is %s",
        gst_flow_get_name (priv->flow_return));

    if (priv->flow_return != GST_FLOW_OK)
      break;
  }

  return G_SOURCE_REMOVE;
}
开发者ID:kakaroto，项目名称:gst-plugins-bad，代码行数:33，代码来源:gstaggregator.c

示例3: src_event_func

static gboolean
src_event_func (GstPad * pad, GstObject * parent, GstEvent * event)
{
  GstAggregatorClass *klass = GST_AGGREGATOR_GET_CLASS (parent);

  return klass->src_event (GST_AGGREGATOR (parent), event);
}
开发者ID:kakaroto，项目名称:gst-plugins-bad，代码行数:7，代码来源:gstaggregator.c

示例4: src_activate_mode

static gboolean
src_activate_mode (GstPad * pad,
    GstObject * parent, GstPadMode mode, gboolean active)
{
  GstAggregator *self = GST_AGGREGATOR (parent);
  GstAggregatorClass *klass = GST_AGGREGATOR_GET_CLASS (parent);

  if (klass->src_activate) {
    if (klass->src_activate (self, mode, active) == FALSE) {
      return FALSE;
    }
  }

  if (active == TRUE) {
    switch (mode) {
      case GST_PAD_MODE_PUSH:
      {
        GST_INFO_OBJECT (pad, "Activating pad!");
        _start_srcpad_task (self);
        return TRUE;
      }
      default:
      {
        GST_ERROR_OBJECT (pad, "Only supported mode is PUSH");
        return FALSE;
      }
    }
  }

  /* deactivating */
  GST_INFO_OBJECT (self, "Deactivating srcpad");
  _stop_srcpad_task (self, FALSE);

  return TRUE;
}
开发者ID:kakaroto，项目名称:gst-plugins-bad，代码行数:35，代码来源:gstaggregator.c

示例5: _chain

static GstFlowReturn
_chain (GstPad * pad, GstObject * object, GstBuffer * buffer)
{
  GstBuffer *actual_buf = buffer;
  GstAggregator *self = GST_AGGREGATOR (object);
  GstAggregatorPrivate *priv = self->priv;
  GstAggregatorPad *aggpad = GST_AGGREGATOR_PAD (pad);
  GstAggregatorClass *aggclass = GST_AGGREGATOR_GET_CLASS (object);

  GST_DEBUG_OBJECT (aggpad, "Start chaining a buffer %" GST_PTR_FORMAT, buffer);

  if (g_atomic_int_get (&aggpad->priv->flushing) == TRUE)
    goto flushing;

  if (g_atomic_int_get (&aggpad->priv->pending_eos) == TRUE)
    goto eos;

  PAD_LOCK_EVENT (aggpad);
  if (aggpad->buffer) {
    GST_DEBUG_OBJECT (aggpad, "Waiting for buffer to be consumed");
    PAD_WAIT_EVENT (aggpad);
  }
  PAD_UNLOCK_EVENT (aggpad);

  if (g_atomic_int_get (&aggpad->priv->flushing) == TRUE)
    goto flushing;


  if (aggclass->clip) {
    aggclass->clip (self, aggpad, buffer, &actual_buf);
  }

  PAD_LOCK_EVENT (aggpad);
  if (aggpad->buffer)
    gst_buffer_unref (aggpad->buffer);
  aggpad->buffer = actual_buf;
  PAD_UNLOCK_EVENT (aggpad);

  _add_aggregate_gsource (self);

  GST_DEBUG_OBJECT (aggpad, "Done chaining");

  return priv->flow_return;

flushing:

  gst_buffer_unref (buffer);
  GST_DEBUG_OBJECT (aggpad, "We are flushing");

  return GST_FLOW_FLUSHING;

eos:

  gst_buffer_unref (buffer);
  GST_DEBUG_OBJECT (pad, "We are EOS already...");

  return GST_FLOW_EOS;
}
开发者ID:kakaroto，项目名称:gst-plugins-bad，代码行数:58，代码来源:gstaggregator.c

示例6: _flush

static GstFlowReturn
_flush (GstAggregator * self)
{
  GstFlowReturn ret = GST_FLOW_OK;
  GstAggregatorPrivate *priv = self->priv;
  GstAggregatorClass *klass = GST_AGGREGATOR_GET_CLASS (self);

  GST_DEBUG_OBJECT (self, "Flushing everything");
  g_atomic_int_set (&priv->send_segment, TRUE);
  g_atomic_int_set (&priv->flush_seeking, FALSE);
  g_atomic_int_set (&priv->tags_changed, FALSE);
  if (klass->flush)
    ret = klass->flush (self);

  return ret;
}
开发者ID:kakaroto，项目名称:gst-plugins-bad，代码行数:16，代码来源:gstaggregator.c

示例7: aggregate_func

static void
aggregate_func (GstAggregator * self)
{
  GstAggregatorPrivate *priv = self->priv;
  GstAggregatorClass *klass = GST_AGGREGATOR_GET_CLASS (self);

  if (self->priv->running == FALSE) {
    GST_DEBUG_OBJECT (self, "Not running anymore");

    return;
  }

  QUEUE_POP (self);

  GST_LOG_OBJECT (self, "Checking aggregate");
  while (priv->send_eos && gst_aggregator_iterate_sinkpads (self,
          (GstAggregatorPadForeachFunc)
          _check_all_pads_with_data_or_eos_or_timeout, NULL) && priv->running) {
    GST_TRACE_OBJECT (self, "Actually aggregating!");

    priv->flow_return = klass->aggregate (self);

    if (priv->flow_return == GST_FLOW_EOS) {
      QUEUE_FLUSH (self);
      _push_eos (self);
    }

    if (priv->flow_return == GST_FLOW_FLUSHING &&
        g_atomic_int_get (&priv->flush_seeking))
      priv->flow_return = GST_FLOW_OK;

    GST_LOG_OBJECT (self, "flow return is %s",
        gst_flow_get_name (priv->flow_return));

    if (priv->flow_return != GST_FLOW_OK)
      break;
  }

}
开发者ID:jledet，项目名称:gst-plugins-bad，代码行数:39，代码来源:gstaggregator.c

示例8: _chain

static GstFlowReturn
_chain (GstPad * pad, GstObject * object, GstBuffer * buffer)
{
  GstBuffer *actual_buf = buffer;
  GstAggregator *self = GST_AGGREGATOR (object);
  GstAggregatorPrivate *priv = self->priv;
  GstAggregatorPad *aggpad = GST_AGGREGATOR_PAD (pad);
  GstAggregatorClass *aggclass = GST_AGGREGATOR_GET_CLASS (object);
  GstClockTime timeout = gst_aggregator_get_timeout (self);
  GstClockTime now;

  GST_DEBUG_OBJECT (aggpad, "Start chaining a buffer %" GST_PTR_FORMAT, buffer);
  if (aggpad->priv->timeout_id) {
    gst_clock_id_unschedule (aggpad->priv->timeout_id);
    gst_clock_id_unref (aggpad->priv->timeout_id);
    aggpad->priv->timeout_id = NULL;
  }
  g_atomic_int_set (&aggpad->unresponsive, FALSE);

  PAD_STREAM_LOCK (aggpad);

  if (g_atomic_int_get (&aggpad->priv->flushing) == TRUE)
    goto flushing;

  if (g_atomic_int_get (&aggpad->priv->pending_eos) == TRUE)
    goto eos;

  PAD_LOCK_EVENT (aggpad);

  if (aggpad->buffer) {
    GST_DEBUG_OBJECT (aggpad, "Waiting for buffer to be consumed");
    PAD_WAIT_EVENT (aggpad);
  }
  PAD_UNLOCK_EVENT (aggpad);

  if (g_atomic_int_get (&aggpad->priv->flushing) == TRUE)
    goto flushing;

  if (aggclass->clip) {
    aggclass->clip (self, aggpad, buffer, &actual_buf);
  }

  PAD_LOCK_EVENT (aggpad);
  if (aggpad->buffer)
    gst_buffer_unref (aggpad->buffer);
  aggpad->buffer = actual_buf;
  PAD_UNLOCK_EVENT (aggpad);
  PAD_STREAM_UNLOCK (aggpad);

  QUEUE_PUSH (self);

  if (GST_CLOCK_TIME_IS_VALID (timeout)) {
    now = gst_clock_get_time (self->clock);
    aggpad->priv->timeout_id =
        gst_clock_new_single_shot_id (self->clock, now + timeout);
    gst_clock_id_wait_async (aggpad->priv->timeout_id, _unresponsive_timeout,
        gst_object_ref (aggpad), gst_object_unref);
  }

  GST_DEBUG_OBJECT (aggpad, "Done chaining");

  return priv->flow_return;

flushing:
  PAD_STREAM_UNLOCK (aggpad);

  gst_buffer_unref (buffer);
  GST_DEBUG_OBJECT (aggpad, "We are flushing");

  return GST_FLOW_FLUSHING;

eos:
  PAD_STREAM_UNLOCK (aggpad);

  gst_buffer_unref (buffer);
  GST_DEBUG_OBJECT (pad, "We are EOS already...");

  return GST_FLOW_EOS;
}
开发者ID:jledet，项目名称:gst-plugins-bad，代码行数:79，代码来源:gstaggregator.c


注：本文中的GstAggregatorClass类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。