* application requests.
*
* Pads without pad templates can be created with gst_pad_new(),
- * which takes a direction and a name as an argument. If the name is NULL,
+ * which takes a direction and a name as an argument. If the name is %NULL,
* then a guaranteed unique name will be assigned to it.
*
* A #GstElement creating a pad will typically use the various
/* we have a pending and an active event on the pad. On source pads only the
* active event is used. On sinkpads, events are copied to the pending entry and
- * moved to the active event when the eventfunc returned TRUE. */
+ * moved to the active event when the eventfunc returned %TRUE. */
typedef struct
{
gboolean received;
pad->priv->events = g_array_sized_new (FALSE, TRUE, sizeof (PadEvent), 16);
pad->priv->events_cookie = 0;
pad->priv->last_cookie = -1;
+ pad->ABI.abi.last_flowret = GST_FLOW_FLUSHING;
}
/* called when setting the pad inactive. It removes all sticky events from
}
/* check all events on srcpad against those on sinkpad. All events that are not
- * on sinkpad are marked as received=FALSE and the PENDING_EVENTS is set on the
+ * on sinkpad are marked as received=%FALSE and the PENDING_EVENTS is set on the
* srcpad so that the events will be sent next time */
/* should be called with srcpad and sinkpad LOCKS */
static void
* @direction: the #GstPadDirection of the pad.
*
* Creates a new pad with the given name in the given direction.
- * If name is NULL, a guaranteed unique name (across all pads)
+ * If name is %NULL, a guaranteed unique name (across all pads)
* will be assigned.
* This function makes a copy of the name so you can safely free the name.
*
- * Returns: (transfer floating): a new #GstPad, or NULL in case of an error.
+ * Returns: (transfer floating): a new #GstPad, or %NULL in case of an error.
*
* MT safe.
*/
* @name: the name of the element
*
* Creates a new pad with the given name from the given template.
- * If name is NULL, a guaranteed unique name (across all pads)
+ * If name is %NULL, a guaranteed unique name (across all pads)
* will be assigned.
* This function makes a copy of the name so you can safely free the name.
*
- * Returns: (transfer floating): a new #GstPad, or NULL in case of an error.
+ * Returns: (transfer floating): a new #GstPad, or %NULL in case of an error.
*/
GstPad *
gst_pad_new_from_template (GstPadTemplate * templ, const gchar * name)
* @name: the name of the element
*
* Creates a new pad with the given name from the given static template.
- * If name is NULL, a guaranteed unique name (across all pads)
+ * If name is %NULL, a guaranteed unique name (across all pads)
* will be assigned.
* This function makes a copy of the name so you can safely free the name.
*
- * Returns: (transfer floating): a new #GstPad, or NULL in case of an error.
+ * Returns: (transfer floating): a new #GstPad, or %NULL in case of an error.
*/
GstPad *
gst_pad_new_from_static_template (GstStaticPadTemplate * templ,
GST_OBJECT_LOCK (pad);
GST_DEBUG_OBJECT (pad, "setting PAD_MODE NONE, set flushing");
GST_PAD_SET_FLUSHING (pad);
+ pad->ABI.abi.last_flowret = GST_FLOW_FLUSHING;
GST_PAD_MODE (pad) = new_mode;
/* unlock blocked pads so element can resume and stop */
GST_PAD_BLOCK_BROADCAST (pad);
GST_DEBUG_OBJECT (pad, "setting pad into %s mode, unset flushing",
gst_pad_mode_get_name (new_mode));
GST_PAD_UNSET_FLUSHING (pad);
+ pad->ABI.abi.last_flowret = GST_FLOW_OK;
GST_PAD_MODE (pad) = new_mode;
if (GST_PAD_IS_SINK (pad)) {
GstPad *peer;
* function to perform the actual activation.
*
* If not @active, calls gst_pad_activate_mode() with the pad's current mode
- * and a FALSE argument.
+ * and a %FALSE argument.
*
- * Returns: #TRUE if the operation was successful.
+ * Returns: %TRUE if the operation was successful.
*
* MT safe.
*/
if (old == GST_PAD_MODE_NONE) {
GST_DEBUG_OBJECT (pad, "activating pad from none");
ret = (GST_PAD_ACTIVATEFUNC (pad)) (pad, parent);
+ if (ret)
+ pad->ABI.abi.last_flowret = GST_FLOW_OK;
} else {
GST_DEBUG_OBJECT (pad, "pad was active in %s mode",
gst_pad_mode_get_name (old));
GST_DEBUG_OBJECT (pad, "deactivating pad from %s mode",
gst_pad_mode_get_name (old));
ret = gst_pad_activate_mode (pad, old, FALSE);
+ if (ret)
+ pad->ABI.abi.last_flowret = GST_FLOW_FLUSHING;
}
}
*
* If you don't know what this is, you probably don't want to call it.
*
- * Returns: TRUE if the operation was successful.
+ * Returns: %TRUE if the operation was successful.
*
* MT safe.
*/
*
* Query if a pad is active
*
- * Returns: TRUE if the pad is active.
+ * Returns: %TRUE if the pad is active.
*
* MT safe.
*/
* last requested state of the pad. It is not certain that the pad
* is actually blocking at this point (see gst_pad_is_blocking()).
*
- * Returns: TRUE if the pad is blocked.
+ * Returns: %TRUE if the pad is blocked.
*
* MT safe.
*/
* Checks if the pad is blocking or not. This is a guaranteed state
* of whether the pad is actually blocking on a #GstBuffer or a #GstEvent.
*
- * Returns: TRUE if the pad is blocking.
+ * Returns: %TRUE if the pad is blocking.
*
* MT safe.
*/
* @p: a #GstPad.
* @f: the #GstPadActivateFunction to set.
*
- * Calls gst_pad_set_activate_function_full() with NULL for the user_data and
+ * Calls gst_pad_set_activate_function_full() with %NULL for the user_data and
* notify.
*/
/**
* @p: a #GstPad.
* @f: the #GstPadActivateModeFunction to set.
*
- * Calls gst_pad_set_activatemode_function_full() with NULL for the user_data and
+ * Calls gst_pad_set_activatemode_function_full() with %NULL for the user_data and
* notify.
*/
/**
* @p: a sink #GstPad.
* @f: the #GstPadChainFunction to set.
*
- * Calls gst_pad_set_chain_function_full() with NULL for the user_data and
+ * Calls gst_pad_set_chain_function_full() with %NULL for the user_data and
* notify.
*/
/**
* @p: a sink #GstPad.
* @f: the #GstPadChainListFunction to set.
*
- * Calls gst_pad_set_chain_list_function_full() with NULL for the user_data and
+ * Calls gst_pad_set_chain_list_function_full() with %NULL for the user_data and
* notify.
*/
/**
* @p: a source #GstPad.
* @f: the #GstPadGetRangeFunction to set.
*
- * Calls gst_pad_set_getrange_function_full() with NULL for the user_data and
+ * Calls gst_pad_set_getrange_function_full() with %NULL for the user_data and
* notify.
*/
/**
* @p: a #GstPad of either direction.
* @f: the #GstPadEventFunction to set.
*
- * Calls gst_pad_set_event_function_full() with NULL for the user_data and
+ * Calls gst_pad_set_event_function_full() with %NULL for the user_data and
* notify.
*/
/**
* @p: a #GstPad of either direction.
* @f: the #GstPadQueryFunction to set.
*
- * Calls gst_pad_set_query_function_full() with NULL for the user_data and
+ * Calls gst_pad_set_query_function_full() with %NULL for the user_data and
* notify.
*/
/**
* @p: a #GstPad of either direction.
* @f: the #GstPadIterIntLinkFunction to set.
*
- * Calls gst_pad_set_iterate_internal_links_function_full() with NULL
+ * Calls gst_pad_set_iterate_internal_links_function_full() with %NULL
* for the user_data and notify.
*/
/**
* @p: a #GstPad.
* @f: the #GstPadLinkFunction to set.
*
- * Calls gst_pad_set_link_function_full() with NULL
+ * Calls gst_pad_set_link_function_full() with %NULL
* for the user_data and notify.
*/
/**
* @p: a #GstPad.
* @f: the #GstPadUnlinkFunction to set.
*
- * Calls gst_pad_set_unlink_function_full() with NULL
+ * Calls gst_pad_set_unlink_function_full() with %NULL
* for the user_data and notify.
*/
/**
* Unlinks the source pad from the sink pad. Will emit the #GstPad::unlinked
* signal on both pads.
*
- * Returns: TRUE if the pads were unlinked. This function returns FALSE if
+ * Returns: %TRUE if the pads were unlinked. This function returns %FALSE if
* the pads were not linked together.
*
* MT safe.
*
* Checks if a @pad is linked to another pad or not.
*
- * Returns: TRUE if the pad is linked, FALSE otherwise.
+ * Returns: %TRUE if the pad is linked, %FALSE otherwise.
*
* MT safe.
*/
sinkcaps);
/* if we have caps on both pads we can check the intersection. If one
- * of the caps is NULL, we return TRUE. */
+ * of the caps is %NULL, we return %TRUE. */
if (G_UNLIKELY (srccaps == NULL || sinkcaps == NULL)) {
if (srccaps)
gst_caps_unref (srccaps);
* Checks if the source pad and the sink pad are compatible so they can be
* linked.
*
- * Returns: TRUE if the pads can be linked.
+ * Returns: %TRUE if the pads can be linked.
*/
gboolean
gst_pad_can_link (GstPad * srcpad, GstPad * sinkpad)
*
* Check if @pad has caps set on it with a #GST_EVENT_CAPS event.
*
- * Returns: TRUE when @pad has caps associated with it.
+ * Returns: %TRUE when @pad has caps associated with it.
*/
gboolean
gst_pad_has_current_caps (GstPad * pad)
* on the resulting caps.
*
* Returns: (transfer full): the allowed #GstCaps of the pad link. Unref the
- * caps when you no longer need it. This function returns NULL when @pad
+ * caps when you no longer need it. This function returns %NULL when @pad
* has no peer.
*
* MT safe.
/**
* gst_pad_iterate_internal_links_default:
* @pad: the #GstPad to get the internal links of.
- * @parent: (allow-none): the parent of @pad or NULL
+ * @parent: (allow-none): the parent of @pad or %NULL
*
* Iterate the list of pads to which the given pad is linked to inside of
* the parent element.
*
* The caller must free this iterator after use with gst_iterator_free().
*
- * Returns: a #GstIterator of #GstPad, or NULL if @pad has no parent. Unref each
+ * Returns: a #GstIterator of #GstPad, or %NULL if @pad has no parent. Unref each
* returned pad with gst_object_unref().
*/
GstIterator *
* dynamically changing internal pads and will make sure that the @forward
* function is only called once for each pad.
*
- * When @forward returns TRUE, no further pads will be processed.
+ * When @forward returns %TRUE, no further pads will be processed.
*
- * Returns: TRUE if one of the dispatcher functions returned TRUE.
+ * Returns: %TRUE if one of the dispatcher functions returned %TRUE.
*/
gboolean
gst_pad_forward (GstPad * pad, GstPadForwardFunction forward,
/**
* gst_pad_event_default:
* @pad: a #GstPad to call the default event handler on.
- * @parent: (allow-none): the parent of @pad or NULL
+ * @parent: (allow-none): the parent of @pad or %NULL
* @event: (transfer full): the #GstEvent to handle.
*
* Invokes the default event handler for the given pad.
* The the event is sent to all pads internally linked to @pad. This function
* takes ownership of @event.
*
- * Returns: TRUE if the event was sent successfully.
+ * Returns: %TRUE if the event was sent successfully.
*/
gboolean
gst_pad_event_default (GstPad * pad, GstObject * parent, GstEvent * event)
/**
* gst_pad_query_default:
* @pad: a #GstPad to call the default query handler on.
- * @parent: (allow-none): the parent of @pad or NULL
+ * @parent: (allow-none): the parent of @pad or %NULL
* @query: (transfer none): the #GstQuery to handle.
*
* Invokes the default query handler for the given pad.
* @pad, only one will be sent the query.
* Multi-sinkpad elements should implement custom query handlers.
*
- * Returns: TRUE if the query was performed successfully.
+ * Returns: %TRUE if the query was performed successfully.
*/
gboolean
gst_pad_query_default (GstPad * pad, GstObject * parent, GstQuery * query)
*
* Please also note that some queries might need a running pipeline to work.
*
- * Returns: TRUE if the query could be performed.
+ * Returns: %TRUE if the query could be performed.
*/
gboolean
gst_pad_query (GstPad * pad, GstQuery * query)
* The caller is responsible for both the allocation and deallocation of
* the query structure.
*
- * Returns: TRUE if the query could be performed. This function returns %FALSE
+ * Returns: %TRUE if the query could be performed. This function returns %FALSE
* if @pad has no peer.
*/
gboolean
gst_object_unref (peer);
GST_OBJECT_LOCK (pad);
+ pad->ABI.abi.last_flowret = ret;
pad->priv->using--;
if (pad->priv->using == 0) {
/* pad is not active anymore, trigger idle callbacks */
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"pushing, but pad was flushing");
+ pad->ABI.abi.last_flowret = GST_FLOW_FLUSHING;
GST_OBJECT_UNLOCK (pad);
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
return GST_FLOW_FLUSHING;
eos:
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad, "pushing, but pad was EOS");
+ pad->ABI.abi.last_flowret = GST_FLOW_EOS;
GST_OBJECT_UNLOCK (pad);
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
return GST_FLOW_EOS;
{
g_critical ("pushing on pad %s:%s but it was not activated in push mode",
GST_DEBUG_PAD_NAME (pad));
+ pad->ABI.abi.last_flowret = GST_FLOW_ERROR;
GST_OBJECT_UNLOCK (pad);
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
return GST_FLOW_ERROR;
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"error pushing events, return %s", gst_flow_get_name (ret));
+ pad->ABI.abi.last_flowret = ret;
GST_OBJECT_UNLOCK (pad);
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
return ret;
probe_stopped:
{
GST_OBJECT_UNLOCK (pad);
+ pad->ABI.abi.last_flowret =
+ ret == GST_FLOW_CUSTOM_SUCCESS ? GST_FLOW_OK : ret;
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
switch (ret) {
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"pushing, but it was not linked");
+ pad->ABI.abi.last_flowret = GST_FLOW_NOT_LINKED;
GST_OBJECT_UNLOCK (pad);
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
return GST_FLOW_NOT_LINKED;
RELEASE_PARENT (parent);
+ GST_OBJECT_LOCK (pad);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto get_range_failed;
/* can only fire the signal if we have a valid buffer */
- GST_OBJECT_LOCK (pad);
probed_data:
PROBE_PULL (pad, GST_PAD_PROBE_TYPE_PULL | GST_PAD_PROBE_TYPE_BUFFER,
res_buf, offset, size, probe_stopped_unref);
+ pad->ABI.abi.last_flowret = ret;
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"getrange, but pad was flushing");
+ pad->ABI.abi.last_flowret = GST_FLOW_FLUSHING;
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
return GST_FLOW_FLUSHING;
{
g_critical ("getrange on pad %s:%s but it was not activated in pull mode",
GST_DEBUG_PAD_NAME (pad));
+ pad->ABI.abi.last_flowret = GST_FLOW_ERROR;
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
return GST_FLOW_ERROR;
events_error:
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad, "error pushing events");
+ pad->ABI.abi.last_flowret = ret;
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
return ret;
no_parent:
{
GST_DEBUG_OBJECT (pad, "no parent");
+ pad->ABI.abi.last_flowret = GST_FLOW_FLUSHING;
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
return GST_FLOW_FLUSHING;
ret = GST_FLOW_EOS;
}
}
+ pad->ABI.abi.last_flowret = ret;
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
/* if we drop here, it signals EOS */
if (ret == GST_FLOW_CUSTOM_SUCCESS)
ret = GST_FLOW_EOS;
+ pad->ABI.abi.last_flowret = ret;
GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
if (*buffer == NULL)
}
get_range_failed:
{
+ pad->ABI.abi.last_flowret = ret;
+ GST_OBJECT_UNLOCK (pad);
GST_PAD_STREAM_UNLOCK (pad);
GST_CAT_LEVEL_LOG (GST_CAT_SCHEDULING,
(ret >= GST_FLOW_EOS) ? GST_LEVEL_INFO : GST_LEVEL_WARNING,
* installed (see gst_pad_set_getrange_function()) this function returns
* #GST_FLOW_NOT_SUPPORTED.
*
- * If @buffer points to a variable holding NULL, a valid new #GstBuffer will be
+ * If @buffer points to a variable holding %NULL, a valid new #GstBuffer will be
* placed in @buffer when this function returns #GST_FLOW_OK. The new buffer
* must be freed with gst_buffer_unref() after usage.
*
* See gst_pad_get_range() for a list of return values and for the
* semantics of the arguments of this function.
*
- * If @buffer points to a variable holding NULL, a valid new #GstBuffer will be
+ * If @buffer points to a variable holding %NULL, a valid new #GstBuffer will be
* placed in @buffer when this function returns #GST_FLOW_OK. The new buffer
* must be freed with gst_buffer_unref() after usage. When this function
- * returns any other result value, @buffer will still point to NULL.
+ * returns any other result value, @buffer will still point to %NULL.
*
* When @buffer points to a variable that points to a valid #GstBuffer, the
* buffer will be filled with the result data when this function returns
GST_OBJECT_LOCK (pad);
pad->priv->using--;
+ pad->ABI.abi.last_flowret = ret;
if (pad->priv->using == 0) {
/* pad is not active anymore, trigger idle callbacks */
PROBE_NO_DATA (pad, GST_PAD_PROBE_TYPE_PULL | GST_PAD_PROBE_TYPE_IDLE,
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"pullrange, but pad was flushing");
+ pad->ABI.abi.last_flowret = GST_FLOW_FLUSHING;
GST_OBJECT_UNLOCK (pad);
return GST_FLOW_FLUSHING;
}
{
g_critical ("pullrange on pad %s:%s but it was not activated in pull mode",
GST_DEBUG_PAD_NAME (pad));
+ pad->ABI.abi.last_flowret = GST_FLOW_ERROR;
GST_OBJECT_UNLOCK (pad);
return GST_FLOW_ERROR;
}
ret = GST_FLOW_EOS;
}
}
+ pad->ABI.abi.last_flowret = ret;
GST_OBJECT_UNLOCK (pad);
return ret;
}
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"pulling range, but it was not linked");
+ pad->ABI.abi.last_flowret = GST_FLOW_NOT_LINKED;
GST_OBJECT_UNLOCK (pad);
return GST_FLOW_NOT_LINKED;
}
pull_range_failed:
{
+ pad->ABI.abi.last_flowret = ret;
GST_OBJECT_UNLOCK (pad);
GST_CAT_LEVEL_LOG (GST_CAT_SCHEDULING,
(ret >= GST_FLOW_EOS) ? GST_LEVEL_INFO : GST_LEVEL_WARNING,
{
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad,
"post probe returned %s", gst_flow_get_name (ret));
- GST_OBJECT_UNLOCK (pad);
+
/* if we drop here, it signals EOS */
if (ret == GST_FLOW_CUSTOM_SUCCESS)
ret = GST_FLOW_EOS;
+
+ pad->ABI.abi.last_flowret = ret;
+ GST_OBJECT_UNLOCK (pad);
+
if (*buffer == NULL)
gst_buffer_unref (res_buf);
return ret;
break;
}
}
- if (type == GST_EVENT_EOS)
+ if (type == GST_EVENT_EOS) {
GST_OBJECT_FLAG_SET (pad, GST_PAD_FLAG_EOS);
+ pad->ABI.abi.last_flowret = GST_FLOW_EOS;
+ }
return GST_PAD_IS_FLUSHING (pad) ? GST_FLOW_FLUSHING : GST_FLOW_OK;
remove_event_by_type (pad, GST_EVENT_EOS);
remove_event_by_type (pad, GST_EVENT_SEGMENT);
GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_EOS);
+ pad->ABI.abi.last_flowret = GST_FLOW_OK;
type |= GST_PAD_PROBE_TYPE_EVENT_FLUSH;
break;
* This function takes ownership of the provided event so you should
* gst_event_ref() it if you want to reuse the event after this call.
*
- * Returns: TRUE if the event was handled.
+ * Returns: %TRUE if the event was handled.
*
* MT safe.
*/
remove_event_by_type (pad, GST_EVENT_EOS);
remove_event_by_type (pad, GST_EVENT_SEGMENT);
GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_EOS);
+ pad->ABI.abi.last_flowret = GST_FLOW_OK;
GST_OBJECT_UNLOCK (pad);
/* grab stream lock */
* This function takes ownership of the provided event so you should
* gst_event_ref() it if you want to reuse the event after this call.
*
- * Returns: TRUE if the event was handled.
+ * Returns: %TRUE if the event was handled.
*/
gboolean
gst_pad_send_event (GstPad * pad, GstEvent * event)
* Returns a new reference of the sticky event of type @event_type
* from the event.
*
- * Returns: (transfer full): a #GstEvent of type @event_type or NULL when no
+ * Returns: (transfer full): a #GstEvent of type @event_type or %NULL when no
* event of @event_type was on @pad. Unref after usage.
*/
GstEvent *
* function executed by the task is finished if this function is not
* called from the task function.
*
- * Returns: a TRUE if the task could be paused or FALSE when the pad
+ * Returns: a %TRUE if the task could be paused or %FALSE when the pad
* has no task.
*/
gboolean
* Regardless of whether the pad has a task, the stream lock is acquired and
* released so as to ensure that streaming through this pad has finished.
*
- * Returns: a TRUE if the task could be stopped or FALSE on error.
+ * Returns: a %TRUE if the task could be stopped or %FALSE on error.
*/
gboolean
gst_pad_stop_task (GstPad * pad)
return GST_PAD_PROBE_INFO_BUFFER_LIST (info);
}
+
+/**
+ * gst_pad_get_last_flow_return:
+ * @pad: the #GstPad
+ *
+ * Gets the #GstFlowReturn return from the last data passed by this pad.
+ *
+ * Since: 1.4
+ */
+GstFlowReturn
+gst_pad_get_last_flow_return (GstPad * pad)
+{
+ GstFlowReturn ret;
+
+ GST_OBJECT_LOCK (pad);
+ ret = GST_PAD_LAST_FLOW_RETURN (pad);
+ GST_OBJECT_UNLOCK (pad);
+
+ return ret;
+}
projects / platform / upstream / gstreamer.git / blobdiff