static void
udpsink_test (gboolean use_buffer_lists)
{
GstSegment segment;
GstElement *udpsink;
GstPad *srcpad;
GstBufferList *list;
guint data_size;
list = create_buffer_list (&data_size);
udpsink = gst_check_setup_element ("udpsink");
if (use_buffer_lists)
set_render_list_function (udpsink);
srcpad = gst_check_setup_src_pad_by_name (udpsink, &srctemplate, "sink");
gst_element_set_state (udpsink, GST_STATE_PLAYING);
gst_pad_set_active (srcpad, TRUE);
gst_pad_push_event (srcpad, gst_event_new_stream_start ("hey there!"));
gst_segment_init (&segment, GST_FORMAT_TIME);
gst_pad_push_event (srcpad, gst_event_new_segment (&segment));
fail_unless_equals_int (gst_pad_push_list (srcpad, list), GST_FLOW_OK);
gst_check_teardown_pad_by_name (udpsink, "sink");
gst_check_teardown_element (udpsink);
if (use_buffer_lists)
fail_unless_equals_int (data_size, render_list_bytes_received);
}
static void
udpsink_test (gboolean use_buffer_lists)
{
GstElement *udpsink;
GstPad *srcpad;
GstBufferList *list;
guint data_size;
list = _create_buffer_list (&data_size);
udpsink = gst_check_setup_element ("udpsink");
if (use_buffer_lists)
_set_render_function (udpsink);
srcpad = gst_check_setup_src_pad_by_name (udpsink, &srctemplate, "sink");
gst_element_set_state (udpsink, GST_STATE_PLAYING);
gst_pad_push_event (srcpad, gst_event_new_new_segment_full (FALSE, 1.0, 1.0,
GST_FORMAT_TIME, 0, -1, 0));
gst_pad_push_list (srcpad, list);
gst_check_teardown_pad_by_name (udpsink, "sink");
gst_check_teardown_element (udpsink);
if (use_buffer_lists)
fail_if (data_size != render_list_bytes_received);
}
static GstFlowReturn
gst_funnel_sink_chain_object (GstPad * pad, GstFunnel * funnel,
gboolean is_list, GstMiniObject * obj)
{
GstFlowReturn res;
GST_DEBUG_OBJECT (pad, "received %" GST_PTR_FORMAT, obj);
GST_PAD_STREAM_LOCK (funnel->srcpad);
if ((funnel->last_sinkpad == NULL)
|| ((funnel->forward_sticky_events_mode !=
GST_FUNNEL_FORWARD_STICKY_EVENTS_MODE_NEVER)
&& (funnel->last_sinkpad != pad))) {
GST_DEBUG_OBJECT (pad, "Forwarding sticky events");
gst_pad_sticky_events_foreach (pad, forward_events_on_stream_changed,
funnel);
gst_object_replace ((GstObject **) & funnel->last_sinkpad,
GST_OBJECT (pad));
}
if (is_list)
res = gst_pad_push_list (funnel->srcpad, GST_BUFFER_LIST_CAST (obj));
else
res = gst_pad_push (funnel->srcpad, GST_BUFFER_CAST (obj));
GST_PAD_STREAM_UNLOCK (funnel->srcpad);
GST_LOG_OBJECT (pad, "handled buffer%s %s", (is_list ? "list" : ""),
gst_flow_get_name (res));
return res;
}
static GstFlowReturn
mpegpsmux_push_gop_list (MpegPsMux * mux)
{
GstFlowReturn flow;
g_assert (mux->gop_list != NULL);
GST_DEBUG_OBJECT (mux, "Sending pending GOP of %u buffers",
gst_buffer_list_length (mux->gop_list));
flow = gst_pad_push_list (mux->srcpad, mux->gop_list);
mux->gop_list = NULL;
return flow;
}
/**
* gst_rtp_base_payload_push_list:
* @payload: a #GstRTPBasePayload
* @list: a #GstBufferList
*
* Push @list to the peer element of the payloader. The SSRC, payload type,
* seqnum and timestamp of the RTP buffer will be updated first.
*
* This function takes ownership of @list.
*
* Returns: a #GstFlowReturn.
*/
GstFlowReturn
gst_rtp_base_payload_push_list (GstRTPBasePayload * payload,
GstBufferList * list)
{
GstFlowReturn res;
res = gst_rtp_base_payload_prepare_push (payload, list, TRUE);
if (G_LIKELY (res == GST_FLOW_OK))
res = gst_pad_push_list (payload->srcpad, list);
else
gst_buffer_list_unref (list);
return res;
}
/**
* gst_proxy_pad_chain_list_default:
* @pad: a sink #GstPad, returns GST_FLOW_ERROR if not.
* @parent: the parent of @pad or NULL
* @list: (transfer full): the #GstBufferList to send, return GST_FLOW_ERROR
* if not.
*
* Invoke the default chain list function of the proxy pad.
*
* Returns: a #GstFlowReturn from the pad.
*/
GstFlowReturn
gst_proxy_pad_chain_list_default (GstPad * pad, GstObject * parent,
GstBufferList * list)
{
GstFlowReturn res;
GstPad *internal;
g_return_val_if_fail (GST_IS_PROXY_PAD (pad), GST_FLOW_ERROR);
g_return_val_if_fail (GST_IS_BUFFER_LIST (list), GST_FLOW_ERROR);
internal = GST_PROXY_PAD_INTERNAL (pad);
res = gst_pad_push_list (internal, list);
return res;
}
/**
* gst_rtp_base_depayload_push_list:
* @filter: a #GstRTPBaseDepayload
* @out_list: a #GstBufferList
*
* Push @out_list to the peer of @filter. This function takes ownership of
* @out_list.
*
* Returns: a #GstFlowReturn.
*/
GstFlowReturn
gst_rtp_base_depayload_push_list (GstRTPBaseDepayload * filter,
GstBufferList * out_list)
{
GstFlowReturn res;
res = gst_rtp_base_depayload_prepare_push (filter, TRUE, &out_list);
if (G_LIKELY (res == GST_FLOW_OK))
res = gst_pad_push_list (filter->srcpad, out_list);
else
gst_buffer_list_unref (out_list);
return res;
}
static GstFlowReturn
gst_tee_do_push (GstTee * tee, GstPad * pad, gpointer data, gboolean is_list)
{
GstFlowReturn res;
/* Push */
if (pad == tee->pull_pad) {
/* don't push on the pad we're pulling from */
res = GST_FLOW_OK;
} else if (is_list) {
res =
gst_pad_push_list (pad,
gst_buffer_list_ref (GST_BUFFER_LIST_CAST (data)));
} else {
res = gst_pad_push (pad, gst_buffer_ref (GST_BUFFER_CAST (data)));
}
return res;
}
static GstFlowReturn
gst_rtp_mux_chain_list (GstPad * pad, GstObject * parent,
GstBufferList * bufferlist)
{
GstRTPMux *rtp_mux;
GstFlowReturn ret;
GstRTPMuxPadPrivate *padpriv;
struct BufferListData bd;
rtp_mux = GST_RTP_MUX (parent);
GST_OBJECT_LOCK (rtp_mux);
padpriv = gst_pad_get_element_private (pad);
if (!padpriv) {
GST_OBJECT_UNLOCK (rtp_mux);
ret = GST_FLOW_NOT_LINKED;
gst_buffer_list_unref (bufferlist);
goto out;
}
bd.rtp_mux = rtp_mux;
bd.padpriv = padpriv;
bd.drop = FALSE;
bufferlist = gst_buffer_list_make_writable (bufferlist);
gst_buffer_list_foreach (bufferlist, process_list_item, &bd);
GST_OBJECT_UNLOCK (rtp_mux);
if (bd.drop) {
gst_buffer_list_unref (bufferlist);
ret = GST_FLOW_OK;
} else {
ret = gst_pad_push_list (rtp_mux->srcpad, bufferlist);
}
out:
return ret;
}
static GstFlowReturn
sink_chain_list (GstPad * pad, GstObject * parent, GstBufferList * list)
{
GstDtlsDec *self = GST_DTLS_DEC (parent);
GstFlowReturn ret = GST_FLOW_OK;
GstPad *other_pad;
list = gst_buffer_list_make_writable (list);
gst_buffer_list_foreach (list, process_buffer_from_list, self);
if (gst_buffer_list_length (list) == 0) {
GST_DEBUG_OBJECT (self, "Not produced any buffers");
gst_buffer_list_unref (list);
return GST_FLOW_OK;
}
g_mutex_lock (&self->src_mutex);
other_pad = self->src;
if (other_pad)
gst_object_ref (other_pad);
g_mutex_unlock (&self->src_mutex);
if (other_pad) {
GST_LOG_OBJECT (self, "decoded buffer list with length %u, pushing",
gst_buffer_list_length (list));
ret = gst_pad_push_list (other_pad, list);
gst_object_unref (other_pad);
} else {
GST_LOG_OBJECT (self, "dropped buffer list with length %d, not linked",
gst_buffer_list_length (list));
gst_buffer_list_unref (list);
}
return ret;
}
static GstFlowReturn
gst_tee_handle_data (GstTee * tee, gpointer data, gboolean is_list)
{
GList *pads;
guint32 cookie;
GstFlowReturn ret, cret;
if (G_UNLIKELY (!tee->silent))
gst_tee_do_message (tee, tee->sinkpad, data, is_list);
GST_OBJECT_LOCK (tee);
pads = GST_ELEMENT_CAST (tee)->srcpads;
/* special case for zero pads */
if (G_UNLIKELY (!pads))
goto no_pads;
/* special case for just one pad that avoids reffing the buffer */
if (!pads->next) {
GstPad *pad = GST_PAD_CAST (pads->data);
/* Keep another ref around, a pad probe
* might release and destroy the pad */
gst_object_ref (pad);
GST_OBJECT_UNLOCK (tee);
if (pad == tee->pull_pad) {
ret = GST_FLOW_OK;
} else if (is_list) {
ret = gst_pad_push_list (pad, GST_BUFFER_LIST_CAST (data));
} else {
ret = gst_pad_push (pad, GST_BUFFER_CAST (data));
}
gst_object_unref (pad);
if (ret == GST_FLOW_NOT_LINKED && tee->allow_not_linked) {
ret = GST_FLOW_OK;
}
return ret;
}
/* mark all pads as 'not pushed on yet' */
g_list_foreach (pads, (GFunc) clear_pads, tee);
restart:
if (tee->allow_not_linked) {
cret = GST_FLOW_OK;
} else {
cret = GST_FLOW_NOT_LINKED;
}
pads = GST_ELEMENT_CAST (tee)->srcpads;
cookie = GST_ELEMENT_CAST (tee)->pads_cookie;
while (pads) {
GstPad *pad;
pad = GST_PAD_CAST (pads->data);
if (G_LIKELY (!GST_TEE_PAD_CAST (pad)->pushed)) {
/* not yet pushed, release lock and start pushing */
gst_object_ref (pad);
GST_OBJECT_UNLOCK (tee);
GST_LOG_OBJECT (pad, "Starting to push %s %p",
is_list ? "list" : "buffer", data);
ret = gst_tee_do_push (tee, pad, data, is_list);
GST_LOG_OBJECT (pad, "Pushing item %p yielded result %s", data,
gst_flow_get_name (ret));
GST_OBJECT_LOCK (tee);
/* keep track of which pad we pushed and the result value */
GST_TEE_PAD_CAST (pad)->pushed = TRUE;
GST_TEE_PAD_CAST (pad)->result = ret;
gst_object_unref (pad);
pad = NULL;
} else {
/* already pushed, use previous return value */
ret = GST_TEE_PAD_CAST (pad)->result;
GST_LOG_OBJECT (pad, "pad already pushed with %s",
gst_flow_get_name (ret));
}
/* before we go combining the return value, check if the pad list is still
* the same. It could be possible that the pad we just pushed was removed
* and the return value it not valid anymore */
if (G_UNLIKELY (GST_ELEMENT_CAST (tee)->pads_cookie != cookie)) {
GST_LOG_OBJECT (tee, "pad list changed");
/* the list of pads changed, restart iteration. Pads that we already
* pushed on and are still in the new list, will not be pushed on
* again. */
goto restart;
}
/* stop pushing more buffers when we have a fatal error */
if (G_UNLIKELY (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED))
goto error;
/* keep all other return values, overwriting the previous one. */
if (G_LIKELY (ret != GST_FLOW_NOT_LINKED)) {
GST_LOG_OBJECT (tee, "Replacing ret val %d with %d", cret, ret);
cret = ret;
}
pads = g_list_next (pads);
}
GST_OBJECT_UNLOCK (tee);
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
/* no need to unset gvalue */
return cret;
/* ERRORS */
no_pads:
{
if (tee->allow_not_linked) {
GST_DEBUG_OBJECT (tee, "there are no pads, dropping %s",
is_list ? "buffer-list" : "buffer");
ret = GST_FLOW_OK;
} else {
GST_DEBUG_OBJECT (tee, "there are no pads, return not-linked");
ret = GST_FLOW_NOT_LINKED;
}
goto end;
}
error:
{
GST_DEBUG_OBJECT (tee, "received error %s", gst_flow_get_name (ret));
goto end;
}
end:
{
GST_OBJECT_UNLOCK (tee);
gst_mini_object_unref (GST_MINI_OBJECT_CAST (data));
return ret;
}
}
static GstFlowReturn
gst_rtp_mux_chain_list (GstPad * pad, GstObject * parent,
GstBufferList * bufferlist)
{
GstRTPMux *rtp_mux;
GstFlowReturn ret;
GstRTPMuxPadPrivate *padpriv;
gboolean changed = FALSE;
struct BufferListData bd;
rtp_mux = GST_RTP_MUX (parent);
if (gst_pad_check_reconfigure (rtp_mux->srcpad)) {
GstCaps *current_caps = gst_pad_get_current_caps (pad);
if (!gst_rtp_mux_setcaps (pad, rtp_mux, current_caps)) {
ret = GST_FLOW_NOT_NEGOTIATED;
gst_buffer_list_unref (bufferlist);
goto out;
}
gst_caps_unref (current_caps);
}
GST_OBJECT_LOCK (rtp_mux);
padpriv = gst_pad_get_element_private (pad);
if (!padpriv) {
GST_OBJECT_UNLOCK (rtp_mux);
ret = GST_FLOW_NOT_LINKED;
gst_buffer_list_unref (bufferlist);
goto out;
}
bd.rtp_mux = rtp_mux;
bd.padpriv = padpriv;
bd.drop = FALSE;
bufferlist = gst_buffer_list_make_writable (bufferlist);
gst_buffer_list_foreach (bufferlist, process_list_item, &bd);
if (!bd.drop && pad != rtp_mux->last_pad) {
changed = TRUE;
g_clear_object (&rtp_mux->last_pad);
rtp_mux->last_pad = g_object_ref (pad);
}
GST_OBJECT_UNLOCK (rtp_mux);
if (changed)
gst_pad_sticky_events_foreach (pad, resend_events, rtp_mux);
if (bd.drop) {
gst_buffer_list_unref (bufferlist);
ret = GST_FLOW_OK;
} else {
ret = gst_pad_push_list (rtp_mux->srcpad, bufferlist);
}
out:
return ret;
}
