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C++ GST_IS_EVENT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GST_IS_EVENT函数的典型用法代码示例。如果您正苦于以下问题:C++ GST_IS_EVENT函数的具体用法?C++ GST_IS_EVENT怎么用?C++ GST_IS_EVENT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GST_IS_EVENT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: gst_overlay_loop

static void
gst_overlay_loop (GstElement * element)
{
  GstOverlay *overlay;
  GstBuffer *out;
  GstBuffer *in1 = NULL, *in2 = NULL, *in3 = NULL;
  int size;

  overlay = GST_OVERLAY (element);

  in1 = GST_BUFFER (gst_pad_pull (overlay->sinkpad1));
  if (GST_IS_EVENT (in1)) {
    gst_pad_push (overlay->srcpad, GST_DATA (in1));
    /* FIXME */
    return;
  }
  in2 = GST_BUFFER (gst_pad_pull (overlay->sinkpad2));
  if (GST_IS_EVENT (in2)) {
    gst_pad_push (overlay->srcpad, GST_DATA (in2));
    /* FIXME */
    return;
  }
  in3 = GST_BUFFER (gst_pad_pull (overlay->sinkpad3));
  if (GST_IS_EVENT (in3)) {
    gst_pad_push (overlay->srcpad, GST_DATA (in3));
    /* FIXME */
    return;
  }

  g_return_if_fail (in1 != NULL);
  g_return_if_fail (in2 != NULL);
  g_return_if_fail (in3 != NULL);

  size = (overlay->width * overlay->height * 3) / 2;
  g_return_if_fail (GST_BUFFER_SIZE (in1) != size);
  g_return_if_fail (GST_BUFFER_SIZE (in2) != size);
  g_return_if_fail (GST_BUFFER_SIZE (in3) != size);

  out = gst_buffer_new_and_alloc (size);

  gst_overlay_blend_i420 (GST_BUFFER_DATA (out),
      GST_BUFFER_DATA (in1),
      GST_BUFFER_DATA (in2),
      GST_BUFFER_DATA (in3), overlay->width, overlay->height);

  GST_BUFFER_TIMESTAMP (out) = GST_BUFFER_TIMESTAMP (in1);
  GST_BUFFER_DURATION (out) = GST_BUFFER_DURATION (in1);

  gst_buffer_unref (in1);
  gst_buffer_unref (in2);
  gst_buffer_unref (in3);

  gst_pad_push (overlay->srcpad, GST_DATA (out));
}
开发者ID:Distrotech,项目名称:gst-plugins-bad,代码行数:54,代码来源:gstoverlay.c


示例2: gst_sdlvideosink_navigation_send_event

static void
gst_sdlvideosink_navigation_send_event (GstNavigation * navigation,
                                        GstStructure * structure)
{
    GstSDLVideoSink *sdlvideosink = GST_SDLVIDEOSINK (navigation);
    GstEvent *event;
    GstVideoRectangle dst = { 0, };
    GstVideoRectangle src = { 0, };
    GstVideoRectangle result;
    double x, y, old_x, old_y;
    GstPad *pad = NULL;

    src.w = GST_VIDEO_SINK_WIDTH (sdlvideosink);
    src.h = GST_VIDEO_SINK_HEIGHT (sdlvideosink);
    dst.w = sdlvideosink->width;
    dst.h = sdlvideosink->height;
    gst_video_sink_center_rect (src, dst, &result, FALSE);

    event = gst_event_new_navigation (structure);

    /* Our coordinates can be wrong here if we centered the video */

    /* Converting pointer coordinates to the non scaled geometry */
    if (gst_structure_get_double (structure, "pointer_x", &old_x)) {
        x = old_x;

        if (x >= result.x && x <= (result.x + result.w)) {
            x -= result.x;
            x *= sdlvideosink->width;
            x /= result.w;
        } else {
            x = 0;
        }
        GST_DEBUG_OBJECT (sdlvideosink, "translated navigation event x "
                          "coordinate from %f to %f", old_x, x);
        gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, x, NULL);
    }
    if (gst_structure_get_double (structure, "pointer_y", &old_y)) {
        y = old_y;

        if (y >= result.y && y <= (result.y + result.h)) {
            y -= result.y;
            y *= sdlvideosink->height;
            y /= result.h;
        } else {
            y = 0;
        }
        GST_DEBUG_OBJECT (sdlvideosink, "translated navigation event y "
                          "coordinate from %f to %f", old_y, y);
        gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE, y, NULL);
    }

    pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (sdlvideosink));

    if (GST_IS_PAD (pad) && GST_IS_EVENT (event)) {
        gst_pad_send_event (pad, event);

        gst_object_unref (pad);
    }
}
开发者ID:asrashley,项目名称:gst-plugins-bad,代码行数:60,代码来源:sdlvideosink.c


示例3: gst_event_get_structure

/**
 * gst_event_get_structure:
 * @event: The #GstEvent.
 *
 * Access the structure of the event.
 *
 * Returns: The structure of the event. The structure is still
 * owned by the event, which means that you should not free it and
 * that the pointer becomes invalid when you free the event.
 *
 * MT safe.
 */
const GstStructure *
gst_event_get_structure (GstEvent * event)
{
  g_return_val_if_fail (GST_IS_EVENT (event), NULL);

  return event->structure;
}
开发者ID:JERUKA9,项目名称:gstreamer,代码行数:19,代码来源:gstevent.c


示例4: gst_event_get_seqnum

/**
 * gst_event_get_seqnum:
 * @event: A #GstEvent.
 *
 * Retrieve the sequence number of a event.
 *
 * Events have ever-incrementing sequence numbers, which may also be set
 * explicitly via gst_event_set_seqnum(). Sequence numbers are typically used to
 * indicate that a event corresponds to some other set of events or messages,
 * for example an EOS event corresponding to a SEEK event. It is considered good
 * practice to make this correspondence when possible, though it is not
 * required.
 *
 * Note that events and messages share the same sequence number incrementor;
 * two events or messages will never have the same sequence number unless
 * that correspondence was made explicitly.
 *
 * Returns: The event's sequence number.
 *
 * MT safe.
 */
guint32
gst_event_get_seqnum (GstEvent * event)
{
  g_return_val_if_fail (GST_IS_EVENT (event), -1);

  return GST_EVENT_SEQNUM (event);
}
开发者ID:Grobik1,项目名称:gstreamer,代码行数:28,代码来源:gstevent.c


示例5: gst_event_get_structure

/**
 * gst_event_get_structure:
 * @event: The #GstEvent.
 *
 * Access the structure of the event.
 *
 * Returns: The structure of the event. The structure is still
 * owned by the event, which means that you should not free it and
 * that the pointer becomes invalid when you free the event.
 *
 * MT safe.
 */
const GstStructure *
gst_event_get_structure (GstEvent * event)
{
  g_return_val_if_fail (GST_IS_EVENT (event), NULL);

  return GST_EVENT_STRUCTURE (event);
}
开发者ID:Grobik1,项目名称:gstreamer,代码行数:19,代码来源:gstevent.c


示例6: shmdata_base_reader_reset_time

gboolean
shmdata_base_reader_reset_time (GstPad *pad,
                                GstMiniObject * mini_obj,
                                gpointer user_data)
{

    shmdata_base_reader_t *context = (shmdata_base_reader_t *) user_data;
    if (GST_IS_EVENT (mini_obj))
    {
        //g_debug ("EVENT %s", GST_EVENT_TYPE_NAME (GST_EVENT_CAST(mini_obj)));
    }
    else if (GST_IS_BUFFER (mini_obj))
    {
        GstBuffer *buffer = GST_BUFFER_CAST (mini_obj);
        /* g_debug ("shmdata writer data frame (%p), data size %d, timestamp %llu, caps %s", */
        /* 	       GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer), */
        /* 	       GST_TIME_AS_MSECONDS (GST_BUFFER_TIMESTAMP (buffer)), */
        /* 	       gst_caps_to_string (GST_BUFFER_CAPS (buffer))); */
        if (context->timereset_)
        {
            context->timeshift_ = GST_BUFFER_TIMESTAMP (buffer);
            context->timereset_ = FALSE;
        }
        GST_BUFFER_TIMESTAMP (buffer) =
            GST_BUFFER_TIMESTAMP (buffer) - context->timeshift_;
    }
    else if (GST_IS_MESSAGE (mini_obj))
    {
    }

    return TRUE;
}
开发者ID:step21,项目名称:shmdata,代码行数:32,代码来源:base-reader.c


示例7: gst_event_parse_step

/**
 * gst_event_parse_step:
 * @event: The event to query
 * @format: (out) (allow-none): a pointer to store the format in
 * @amount: (out) (allow-none): a pointer to store the amount in
 * @rate: (out) (allow-none): a pointer to store the rate in
 * @flush: (out) (allow-none): a pointer to store the flush boolean in
 * @intermediate: (out) (allow-none): a pointer to store the intermediate
 *     boolean in
 *
 * Parse the step event.
 */
void
gst_event_parse_step (GstEvent * event, GstFormat * format, guint64 * amount,
    gdouble * rate, gboolean * flush, gboolean * intermediate)
{
  const GstStructure *structure;

  g_return_if_fail (GST_IS_EVENT (event));
  g_return_if_fail (GST_EVENT_TYPE (event) == GST_EVENT_STEP);

  structure = GST_EVENT_STRUCTURE (event);
  if (format)
    *format =
        (GstFormat) g_value_get_enum (gst_structure_id_get_value (structure,
            GST_QUARK (FORMAT)));
  if (amount)
    *amount = g_value_get_uint64 (gst_structure_id_get_value (structure,
            GST_QUARK (AMOUNT)));
  if (rate)
    *rate = g_value_get_double (gst_structure_id_get_value (structure,
            GST_QUARK (RATE)));
  if (flush)
    *flush = g_value_get_boolean (gst_structure_id_get_value (structure,
            GST_QUARK (FLUSH)));
  if (intermediate)
    *intermediate = g_value_get_boolean (gst_structure_id_get_value (structure,
            GST_QUARK (INTERMEDIATE)));
}
开发者ID:Grobik1,项目名称:gstreamer,代码行数:39,代码来源:gstevent.c


示例8: probe_cb

/* Data probe cb to drop everything but count buffers and events */
static GstPadProbeReturn
probe_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
  gint count = 0;
  const gchar *count_type = NULL;
  GstMiniObject *obj = GST_PAD_PROBE_INFO_DATA (info);

  GST_LOG_OBJECT (pad, "got data");

  if (GST_IS_BUFFER (obj)) {
    count_type = "buffer_count";
  } else if (GST_IS_EVENT (obj)) {
    count_type = "event_count";
  } else {
    g_assert_not_reached ();
  }

  /* increment and store count */
  count = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (pad), count_type));
  count++;
  g_object_set_data (G_OBJECT (pad), count_type, GINT_TO_POINTER (count));

  /* drop every buffer */
  return GST_IS_BUFFER (obj) ? GST_PAD_PROBE_DROP : GST_PAD_PROBE_PASS;
}
开发者ID:BigBrother-International,项目名称:gstreamer,代码行数:26,代码来源:selector.c


示例9: gst_event_parse_qos

/**
 * gst_event_parse_qos:
 * @event: The event to query
 * @type: (out): A pointer to store the QoS type in
 * @proportion: (out): A pointer to store the proportion in
 * @diff: (out): A pointer to store the diff in
 * @timestamp: (out): A pointer to store the timestamp in
 *
 * Get the type, proportion, diff and timestamp in the qos event. See
 * gst_event_new_qos() for more information about the different QoS values.
 */
void
gst_event_parse_qos (GstEvent * event, GstQOSType * type,
    gdouble * proportion, GstClockTimeDiff * diff, GstClockTime * timestamp)
{
  const GstStructure *structure;

  g_return_if_fail (GST_IS_EVENT (event));
  g_return_if_fail (GST_EVENT_TYPE (event) == GST_EVENT_QOS);

  structure = GST_EVENT_STRUCTURE (event);
  if (type)
    *type = (GstQOSType)
        g_value_get_enum (gst_structure_id_get_value (structure,
            GST_QUARK (TYPE)));
  if (proportion)
    *proportion =
        g_value_get_double (gst_structure_id_get_value (structure,
            GST_QUARK (PROPORTION)));
  if (diff)
    *diff =
        g_value_get_int64 (gst_structure_id_get_value (structure,
            GST_QUARK (DIFF)));
  if (timestamp)
    *timestamp =
        g_value_get_uint64 (gst_structure_id_get_value (structure,
            GST_QUARK (TIMESTAMP)));
}
开发者ID:Grobik1,项目名称:gstreamer,代码行数:38,代码来源:gstevent.c


示例10: gst_event_parse_buffer_size

/**
 * gst_event_parse_buffer_size:
 * @event: The event to query
 * @format: (out): A pointer to store the format in
 * @minsize: (out): A pointer to store the minsize in
 * @maxsize: (out): A pointer to store the maxsize in
 * @async: (out): A pointer to store the async-flag in
 *
 * Get the format, minsize, maxsize and async-flag in the buffersize event.
 */
void
gst_event_parse_buffer_size (GstEvent * event, GstFormat * format,
    gint64 * minsize, gint64 * maxsize, gboolean * async)
{
  const GstStructure *structure;

  g_return_if_fail (GST_IS_EVENT (event));
  g_return_if_fail (GST_EVENT_TYPE (event) == GST_EVENT_BUFFERSIZE);

  structure = GST_EVENT_STRUCTURE (event);
  if (format)
    *format = (GstFormat)
        g_value_get_enum (gst_structure_id_get_value (structure,
            GST_QUARK (FORMAT)));
  if (minsize)
    *minsize =
        g_value_get_int64 (gst_structure_id_get_value (structure,
            GST_QUARK (MINSIZE)));
  if (maxsize)
    *maxsize =
        g_value_get_int64 (gst_structure_id_get_value (structure,
            GST_QUARK (MAXSIZE)));
  if (async)
    *async =
        g_value_get_boolean (gst_structure_id_get_value (structure,
            GST_QUARK (ASYNC)));
}
开发者ID:Grobik1,项目名称:gstreamer,代码行数:37,代码来源:gstevent.c


示例11: gst_event_set_seqnum

/**
 * gst_event_set_seqnum:
 * @event: A #GstEvent.
 * @seqnum: A sequence number.
 *
 * Set the sequence number of a event.
 *
 * This function might be called by the creator of a event to indicate that the
 * event relates to other events or messages. See gst_event_get_seqnum() for
 * more information.
 *
 * MT safe.
 */
void
gst_event_set_seqnum (GstEvent * event, guint32 seqnum)
{
  g_return_if_fail (GST_IS_EVENT (event));

  GST_EVENT_SEQNUM (event) = seqnum;
}
开发者ID:Grobik1,项目名称:gstreamer,代码行数:20,代码来源:gstevent.c


示例12: event_counter

static GstPadProbeReturn
event_counter (GstObject * pad, GstPadProbeInfo * info, gpointer user_data)
{
  GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);

  fail_unless (event != NULL);
  fail_unless (GST_IS_EVENT (event));

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_STREAM_START:
      ++nb_stream_start_event;
      break;
    case GST_EVENT_CAPS:
      ++nb_caps_event;
      break;
    case GST_EVENT_SEGMENT:
      ++nb_segment_event;
      break;
    case GST_EVENT_GAP:
      ++nb_gap_event;
      break;
    default:
      break;
  }

  return GST_PAD_PROBE_OK;
}
开发者ID:ConfusedReality,项目名称:pkg_multimedia_gstreamer,代码行数:27,代码来源:funnel.c


示例13: dxr3videosink_chain

static void
dxr3videosink_chain (GstPad * pad, GstData * _data)
{
  GstBuffer *buf = GST_BUFFER (_data);
  Dxr3VideoSink *sink;

  g_return_if_fail (pad != NULL);
  g_return_if_fail (GST_IS_PAD (pad));
  g_return_if_fail (buf != NULL);

  sink = DXR3VIDEOSINK (gst_pad_get_parent (pad));

  if (GST_IS_EVENT (buf)) {
    dxr3videosink_handle_event (pad, GST_EVENT (buf));
    return;
  }

/*   fprintf (stderr, "^^^^^^ Video block\n"); */

  if (sink->cur_buf == NULL) {
    sink->cur_buf = buf;
  } else {
    sink->cur_buf = gst_buffer_append (sink->cur_buf, buf);
  }

  sink->last_ts = GST_BUFFER_TIMESTAMP (buf);

  dxr3videosink_parse_data (sink);
}
开发者ID:Distrotech,项目名称:gst-plugins-bad,代码行数:29,代码来源:dxr3videosink.c


示例14: gst_mikmod_loop

static void
gst_mikmod_loop (GstElement * element)
{
  GstMikMod *mikmod;
  GstBuffer *buffer_in;

  g_return_if_fail (element != NULL);
  g_return_if_fail (GST_IS_MIKMOD (element));

  mikmod = GST_MIKMOD (element);
  srcpad = mikmod->srcpad;
  mikmod->Buffer = NULL;

  if (!mikmod->initialized) {
    while ((buffer_in = GST_BUFFER (gst_pad_pull (mikmod->sinkpad)))) {
      if (GST_IS_EVENT (buffer_in)) {
        GstEvent *event = GST_EVENT (buffer_in);

        if (GST_EVENT_TYPE (event) == GST_EVENT_EOS)
          break;
      } else {
        if (mikmod->Buffer) {
          mikmod->Buffer = gst_buffer_append (mikmod->Buffer, buffer_in);
        } else {
          mikmod->Buffer = buffer_in;
        }
      }
    }

    if (!GST_PAD_CAPS (mikmod->srcpad)) {
      if (GST_PAD_LINK_SUCCESSFUL (gst_pad_renegotiate (mikmod->srcpad))) {
        GST_ELEMENT_ERROR (mikmod, CORE, NEGOTIATION, (NULL), (NULL));
        return;
      }
    }

    MikMod_RegisterDriver (&drv_gst);
    MikMod_RegisterAllLoaders ();

    MikMod_Init ("");
    reader = GST_READER_new (mikmod);
    module = Player_LoadGeneric (reader, 64, 0);

    gst_buffer_unref (mikmod->Buffer);

    if (!Player_Active ())
      Player_Start (module);

    mikmod->initialized = TRUE;
  }

  if (Player_Active ()) {
    timestamp = (module->sngtime / 1024.0) * GST_SECOND;
    drv_gst.Update ();
  } else {
    gst_element_set_eos (GST_ELEMENT (mikmod));
    gst_pad_push (mikmod->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
  }
}
开发者ID:an146,项目名称:gst-plugins-good,代码行数:59,代码来源:gstmikmod.c


示例15: handle_queued_objects

static gboolean
handle_queued_objects (APP_STATE_T * state)
{
    GstMiniObject *object = NULL;

    g_mutex_lock (&state->queue_lock);
    if (state->flushing) {
        g_cond_broadcast (&state->cond);
        goto beach;
    } else if (g_async_queue_length (state->queue) == 0) {
        goto beach;
    }

    if ((object = g_async_queue_try_pop (state->queue))) {
        if (GST_IS_BUFFER (object)) {
            GstBuffer *buffer = GST_BUFFER_CAST (object);
            update_image (state, buffer);
            render_scene (state);
            gst_buffer_unref (buffer);
            if (!SYNC_BUFFERS) {
                object = NULL;
            }
        } else if (GST_IS_QUERY (object)) {
            GstQuery *query = GST_QUERY_CAST (object);
            GstStructure *s = (GstStructure *) gst_query_get_structure (query);

            if (gst_structure_has_name (s, "not-used")) {
                g_assert_not_reached ();
            } else {
                g_assert_not_reached ();
            }
        } else if (GST_IS_EVENT (object)) {
            GstEvent *event = GST_EVENT_CAST (object);
            g_print ("\nevent %p %s\n", event,
                     gst_event_type_get_name (GST_EVENT_TYPE (event)));

            switch (GST_EVENT_TYPE (event)) {
            case GST_EVENT_EOS:
                flush_internal (state);
                break;
            default:
                break;
            }
            gst_event_unref (event);
            object = NULL;
        }
    }

    if (object) {
        state->popped_obj = object;
        g_cond_broadcast (&state->cond);
    }

beach:
    g_mutex_unlock (&state->queue_lock);

    return FALSE;
}
开发者ID:ryumiel,项目名称:gst-omx,代码行数:58,代码来源:testegl.c


示例16: gst_event_parse_tag

/**
 * gst_event_parse_tag:
 * @event: a tag event
 * @taglist: (out) (transfer none): pointer to metadata list
 *
 * Parses a tag @event and stores the results in the given @taglist location.
 * No reference to the taglist will be returned, it remains valid only until
 * the @event is freed. Don't modify or free the taglist, make a copy if you
 * want to modify it or store it for later use.
 */
void
gst_event_parse_tag (GstEvent * event, GstTagList ** taglist)
{
  g_return_if_fail (GST_IS_EVENT (event));
  g_return_if_fail (GST_EVENT_TYPE (event) == GST_EVENT_TAG);

  if (taglist)
    *taglist = (GstTagList *) event->structure;
}
开发者ID:JERUKA9,项目名称:gstreamer,代码行数:19,代码来源:gstevent.c


示例17: event_probe

static gboolean
event_probe (GstPad * pad, GstEvent * obj, gpointer data)
{
  n_event_probes++;
  GST_DEBUG ("event probe %d", n_event_probes);
  g_assert (GST_IS_EVENT (obj));
  g_assert (data == SPECIAL_POINTER (2));
  return TRUE;
}
开发者ID:kuailexs,项目名称:symbiandump-mw1,代码行数:9,代码来源:gstutils.c


示例18: pad_blocked_cb

static GstPadProbeReturn
pad_blocked_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
  GstPlaySinkConvertBin *self = user_data;
  GstPad *peer;
  GstCaps *caps;
  gboolean raw;

  if (GST_IS_EVENT (info->data) && !GST_EVENT_IS_SERIALIZED (info->data)) {
    GST_DEBUG_OBJECT (self, "Letting non-serialized event %s pass",
        GST_EVENT_TYPE_NAME (info->data));
    return GST_PAD_PROBE_PASS;
  }

  GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
  GST_DEBUG_OBJECT (self, "Pad blocked");

  /* There must be a peer at this point */
  peer = gst_pad_get_peer (self->sinkpad);
  caps = gst_pad_get_current_caps (peer);
  if (!caps)
    caps = gst_pad_query_caps (peer, NULL);
  gst_object_unref (peer);

  raw = is_raw_caps (caps, self->audio);
  GST_DEBUG_OBJECT (self, "Caps %" GST_PTR_FORMAT " are raw: %d", caps, raw);
  gst_caps_unref (caps);

  if (raw == self->raw)
    goto unblock;
  self->raw = raw;

  gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
  gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);

  if (raw) {
    GST_DEBUG_OBJECT (self, "Switching to raw conversion pipeline");

    if (self->conversion_elements)
      g_list_foreach (self->conversion_elements,
          (GFunc) gst_play_sink_convert_bin_on_element_added, self);
  } else {

    GST_DEBUG_OBJECT (self, "Switch to passthrough pipeline");

    gst_play_sink_convert_bin_on_element_added (self->identity, self);
  }

  gst_play_sink_convert_bin_set_targets (self, !raw);

unblock:
  self->sink_proxypad_block_id = 0;
  GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);

  return GST_PAD_PROBE_REMOVE;
}
开发者ID:ksophocleous,项目名称:gst-plugins-base,代码行数:56,代码来源:gstplaysinkconvertbin.c


示例19: event_probe_once

static gboolean
event_probe_once (GstPad * pad, GstEvent * obj, guint * data)
{
  n_event_probes_once++;
  g_assert (GST_IS_EVENT (obj));

  gst_pad_remove_event_probe (pad, *data);

  return TRUE;
}
开发者ID:kuailexs,项目名称:symbiandump-mw1,代码行数:10,代码来源:gstutils.c


示例20: gst_event_has_name

/**
 * gst_event_has_name:
 * @event: The #GstEvent.
 * @name: name to check
 *
 * Checks if @event has the given @name. This function is usually used to
 * check the name of a custom event.
 *
 * Returns: %TRUE if @name matches the name of the event structure.
 */
gboolean
gst_event_has_name (GstEvent * event, const gchar * name)
{
  g_return_val_if_fail (GST_IS_EVENT (event), FALSE);

  if (GST_EVENT_STRUCTURE (event) == NULL)
    return FALSE;

  return gst_structure_has_name (GST_EVENT_STRUCTURE (event), name);
}
开发者ID:Grobik1,项目名称:gstreamer,代码行数:20,代码来源:gstevent.c



注:本文中的GST_IS_EVENT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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上一篇:
C++ GST_IS_OBJECT函数代码示例发布时间:2022-05-30
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C++ GST_IS_ELEMENT_FACTORY函数代码示例发布时间:2022-05-30
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