static gboolean
gst_x265_enc_sink_query (GstVideoEncoder * enc, GstQuery * query)
{
gboolean res;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ACCEPT_CAPS:{
GstCaps *acceptable, *caps;
acceptable = gst_x265_enc_get_supported_input_caps ();
gst_query_parse_accept_caps (query, &caps);
gst_query_set_accept_caps_result (query,
gst_caps_is_subset (caps, acceptable));
gst_caps_unref (acceptable);
res = TRUE;
}
break;
default:
res = GST_VIDEO_ENCODER_CLASS (parent_class)->sink_query (enc, query);
break;
}
return res;
}
static gboolean
gst_play_sink_convert_bin_query (GstPad * pad, GstObject * parent,
GstQuery * query)
{
gboolean res = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ACCEPT_CAPS:
{
GstCaps *caps;
gst_query_parse_accept_caps (query, &caps);
gst_query_set_accept_caps_result (query,
gst_play_sink_convert_bin_acceptcaps (pad, caps));
res = TRUE;
break;
}
case GST_QUERY_CAPS:
{
GstCaps *filter, *caps;
gst_query_parse_caps (query, &filter);
caps = gst_play_sink_convert_bin_getcaps (pad, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
res = TRUE;
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
return res;
}
static gboolean gst_imx_compositor_sink_query(GstImxBPAggregator *aggregator, GstImxBPAggregatorPad *pad, GstQuery *query)
{
switch (GST_QUERY_TYPE(query))
{
case GST_QUERY_CAPS:
{
/* Custom caps query response. Take the sinkpad template caps,
* optionally filter them, and return them as the result.
* This ensures that the caps that the derived class supports
* for input data are actually used (by default, the aggregator
* base classes try to keep input and output caps equal) */
GstCaps *filter, *caps;
gst_query_parse_caps(query, &filter);
caps = gst_pad_get_pad_template_caps(GST_PAD(pad));
if (filter != NULL)
{
GstCaps *unfiltered_caps = gst_caps_make_writable(caps);
caps = gst_caps_intersect(unfiltered_caps, filter);
gst_caps_unref(unfiltered_caps);
}
GST_DEBUG_OBJECT(aggregator, "responding to CAPS query with caps %" GST_PTR_FORMAT, (gpointer)caps);
gst_query_set_caps_result(query, caps);
gst_caps_unref(caps);
return TRUE;
}
case GST_QUERY_ACCEPT_CAPS:
{
/* Custom accept_caps query response. Simply check if
* the supplied caps are a valid subset of the sinkpad's
* template caps. This is done for the same reasons
* as the caps query response above. */
GstCaps *accept_caps = NULL, *template_caps = NULL;
gboolean ret;
gst_query_parse_accept_caps(query, &accept_caps);
template_caps = gst_pad_get_pad_template_caps(GST_PAD(pad));
ret = gst_caps_is_subset(accept_caps, template_caps);
GST_DEBUG_OBJECT(aggregator, "responding to ACCEPT_CAPS query with value %d (acceptcaps: %" GST_PTR_FORMAT " template caps %" GST_PTR_FORMAT ")", ret, (gpointer)accept_caps, (gpointer)template_caps);
gst_query_set_accept_caps_result(query, ret);
return TRUE;
}
default:
return GST_IMXBP_AGGREGATOR_CLASS(gst_imx_compositor_parent_class)->sink_query(aggregator, pad, query);
}
}
static gboolean
kms_recorder_endpoint_query_accept_caps (KmsElement * element, GstPad * pad,
GstQuery * query)
{
KmsRecorderEndpoint *self = KMS_RECORDER_ENDPOINT (element);
GstCaps *caps, *accept;
GstElement *appsrc;
gboolean ret = TRUE;
switch (kms_element_get_pad_type (element, pad)) {
case KMS_ELEMENT_PAD_TYPE_VIDEO:
g_object_get (self->priv->mux, KMS_MUXING_PIPELINE_VIDEO_APPSRC,
&appsrc, NULL);
caps = kms_recorder_endpoint_get_caps_from_profile (self,
KMS_ELEMENT_PAD_TYPE_VIDEO);
break;
case KMS_ELEMENT_PAD_TYPE_AUDIO:
g_object_get (self->priv->mux, KMS_MUXING_PIPELINE_AUDIO_APPSRC,
&appsrc, NULL);
caps = kms_recorder_endpoint_get_caps_from_profile (self,
KMS_ELEMENT_PAD_TYPE_AUDIO);
break;
default:
GST_ERROR_OBJECT (pad, "unknown pad");
return FALSE;
}
if (caps == NULL) {
GST_ERROR_OBJECT (self, "Can not accept caps without profile");
gst_query_set_accept_caps_result (query, FALSE);
g_object_unref (appsrc);
return TRUE;
}
gst_query_parse_accept_caps (query, &accept);
ret = gst_caps_can_intersect (accept, caps);
if (ret) {
GstPad *srcpad;
srcpad = gst_element_get_static_pad (appsrc, "src");
ret = gst_pad_peer_query_accept_caps (srcpad, accept);
gst_object_unref (srcpad);
} else {
GST_ERROR_OBJECT (self, "Incompatbile caps %" GST_PTR_FORMAT, caps);
}
gst_caps_unref (caps);
g_object_unref (appsrc);
gst_query_set_accept_caps_result (query, ret);
return TRUE;
}
static gboolean
tee_query_function (GstPad * pad, GstObject * parent, GstQuery * query)
{
if (GST_QUERY_TYPE (query) == GST_QUERY_ACCEPT_CAPS) {
GstCaps *caps;
KmsTreeBin *self = KMS_TREE_BIN (GST_OBJECT_PARENT (parent));
gst_query_parse_accept_caps (query, &caps);
kms_tree_bin_set_input_caps (self, caps);
}
return gst_pad_query_default (pad, parent, query);
}
/**
* @brief This function handles sink pad query.
*/
static gboolean
gst_tensor_aggregator_sink_query (GstPad * pad, GstObject * parent,
GstQuery * query)
{
GstTensorAggregator *self;
self = GST_TENSOR_AGGREGATOR (parent);
GST_DEBUG_OBJECT (self, "Received %s query: %" GST_PTR_FORMAT,
GST_QUERY_TYPE_NAME (query), query);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *caps;
GstCaps *filter;
gst_query_parse_caps (query, &filter);
caps = gst_tensor_aggregator_query_caps (self, pad, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
return TRUE;
}
case GST_QUERY_ACCEPT_CAPS:
{
GstCaps *caps;
GstCaps *template_caps;
gboolean res = FALSE;
gst_query_parse_accept_caps (query, &caps);
silent_debug_caps (caps, "accept-caps");
if (gst_caps_is_fixed (caps)) {
template_caps = gst_pad_get_pad_template_caps (pad);
res = gst_caps_can_intersect (template_caps, caps);
gst_caps_unref (template_caps);
}
gst_query_set_accept_caps_result (query, res);
return TRUE;
}
default:
break;
}
return gst_pad_query_default (pad, parent, query);
}
static gboolean
gst_alsasink_query (GstBaseSink * sink, GstQuery * query)
{
GstAlsaSink *alsa = GST_ALSA_SINK (sink);
gboolean ret;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ACCEPT_CAPS:
{
GstCaps *caps;
gst_query_parse_accept_caps (query, &caps);
ret = gst_alsasink_acceptcaps (alsa, caps);
gst_query_set_accept_caps_result (query, ret);
ret = TRUE;
break;
}
default:
ret = GST_BASE_SINK_CLASS (parent_class)->query (sink, query);
break;
}
return ret;
}
static gboolean
gst_osx_audio_sink_query (GstBaseSink * base, GstQuery * query)
{
GstOsxAudioSink *sink = GST_OSX_AUDIO_SINK (base);
gboolean ret = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ACCEPT_CAPS:
{
GstCaps *caps = NULL;
gst_query_parse_accept_caps (query, &caps);
ret = gst_osx_audio_sink_acceptcaps (sink, caps);
gst_query_set_accept_caps_result (query, ret);
ret = TRUE;
break;
}
default:
ret = GST_BASE_SINK_CLASS (parent_class)->query (base, query);
break;
}
return ret;
}
static gboolean
kms_recorder_endpoint_query_accept_caps (KmsElement * element, GstPad * pad,
GstQuery * query)
{
KmsRecorderEndpoint *self = KMS_RECORDER_ENDPOINT (element);
GstCaps *caps, *accept;
gboolean ret = TRUE;
switch (kms_element_get_pad_type (element, pad)) {
case KMS_ELEMENT_PAD_TYPE_VIDEO:
caps = kms_recorder_endpoint_get_caps_from_profile (self,
KMS_ELEMENT_PAD_TYPE_VIDEO);
break;
case KMS_ELEMENT_PAD_TYPE_AUDIO:
caps = kms_recorder_endpoint_get_caps_from_profile (self,
KMS_ELEMENT_PAD_TYPE_AUDIO);
break;
default:
GST_ERROR_OBJECT (pad, "unknown pad");
return FALSE;
}
if (caps == NULL) {
GST_ERROR_OBJECT (self, "Can not accept caps without profile");
gst_query_set_accept_caps_result (query, FALSE);
return TRUE;
}
gst_query_parse_accept_caps (query, &accept);
ret = gst_caps_can_intersect (accept, caps);
if (ret) {
GstElement *appsrc;
GstPad *srcpad;
gchar *id;
id = gst_pad_get_name (pad);
KMS_ELEMENT_LOCK (KMS_ELEMENT (self));
appsrc = g_hash_table_lookup (self->priv->srcs, id);
g_free (id);
if (appsrc == NULL) {
KMS_ELEMENT_UNLOCK (KMS_ELEMENT (self));
GST_DEBUG_OBJECT (self, "No appsrc attached to pad %" GST_PTR_FORMAT,
pad);
goto end;
}
srcpad = gst_element_get_static_pad (appsrc, "src");
KMS_ELEMENT_UNLOCK (KMS_ELEMENT (self));
ret = gst_pad_peer_query_accept_caps (srcpad, accept);
gst_object_unref (srcpad);
} else {
GST_ERROR_OBJECT (self, "Incompatbile caps %" GST_PTR_FORMAT, caps);
}
end:
gst_caps_unref (caps);
gst_query_set_accept_caps_result (query, ret);
return TRUE;
}
/* Probe on the output of a parser chain (the last
* src pad) */
static GstPadProbeReturn
parse_chain_output_probe (GstPad * pad, GstPadProbeInfo * info,
DecodebinInputStream * input)
{
GstPadProbeReturn ret = GST_PAD_PROBE_OK;
if (GST_IS_EVENT (GST_PAD_PROBE_INFO_DATA (info))) {
GstEvent *ev = GST_PAD_PROBE_INFO_EVENT (info);
GST_DEBUG_OBJECT (pad, "Got event %s", GST_EVENT_TYPE_NAME (ev));
switch (GST_EVENT_TYPE (ev)) {
case GST_EVENT_STREAM_START:
{
GstStream *stream = NULL;
guint group_id = G_MAXUINT32;
gst_event_parse_group_id (ev, &group_id);
GST_DEBUG_OBJECT (pad, "Got stream-start, group_id:%d, input %p",
group_id, input->input);
if (set_input_group_id (input->input, &group_id)) {
ev = gst_event_make_writable (ev);
gst_event_set_group_id (ev, group_id);
GST_PAD_PROBE_INFO_DATA (info) = ev;
}
input->saw_eos = FALSE;
gst_event_parse_stream (ev, &stream);
/* FIXME : Would we ever end up with a stream already set on the input ?? */
if (stream) {
if (input->active_stream != stream) {
MultiQueueSlot *slot;
if (input->active_stream)
gst_object_unref (input->active_stream);
input->active_stream = stream;
/* We have the beginning of a stream, get a multiqueue slot and link to it */
g_mutex_lock (&input->dbin->selection_lock);
slot = get_slot_for_input (input->dbin, input);
link_input_to_slot (input, slot);
g_mutex_unlock (&input->dbin->selection_lock);
} else
gst_object_unref (stream);
}
}
break;
case GST_EVENT_CAPS:
{
GstCaps *caps = NULL;
gst_event_parse_caps (ev, &caps);
GST_DEBUG_OBJECT (pad, "caps %" GST_PTR_FORMAT, caps);
if (caps && input->active_stream)
gst_stream_set_caps (input->active_stream, caps);
}
break;
case GST_EVENT_EOS:
input->saw_eos = TRUE;
if (all_inputs_are_eos (input->dbin)) {
GST_DEBUG_OBJECT (pad, "real input pad, marking as EOS");
check_all_streams_for_eos (input->dbin);
} else {
GstPad *peer = gst_pad_get_peer (input->srcpad);
if (peer) {
/* Send custom-eos event to multiqueue slot */
GstStructure *s;
GstEvent *event;
GST_DEBUG_OBJECT (pad,
"Got EOS end of input stream, post custom-eos");
s = gst_structure_new_empty ("decodebin3-custom-eos");
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
gst_pad_send_event (peer, event);
gst_object_unref (peer);
} else {
GST_FIXME_OBJECT (pad, "No peer, what should we do ?");
}
}
ret = GST_PAD_PROBE_DROP;
break;
case GST_EVENT_FLUSH_STOP:
GST_DEBUG_OBJECT (pad, "Clear saw_eos flag");
input->saw_eos = FALSE;
default:
break;
}
} else if (GST_IS_QUERY (GST_PAD_PROBE_INFO_DATA (info))) {
GstQuery *q = GST_PAD_PROBE_INFO_QUERY (info);
GST_DEBUG_OBJECT (pad, "Seeing query %s", GST_QUERY_TYPE_NAME (q));
/* If we have a parser, we want to reply to the caps query */
/* FIXME: Set a flag when the input stream is created for
* streams where we shouldn't reply to these queries */
if (GST_QUERY_TYPE (q) == GST_QUERY_CAPS
&& (info->type & GST_PAD_PROBE_TYPE_PULL)) {
GstCaps *filter = NULL;
GstCaps *allowed;
gst_query_parse_caps (q, &filter);
allowed = get_parser_caps_filter (input->dbin, filter);
GST_DEBUG_OBJECT (pad,
"Intercepting caps query, setting %" GST_PTR_FORMAT, allowed);
gst_query_set_caps_result (q, allowed);
gst_caps_unref (allowed);
ret = GST_PAD_PROBE_HANDLED;
} else if (GST_QUERY_TYPE (q) == GST_QUERY_ACCEPT_CAPS) {
GstCaps *prop = NULL;
gst_query_parse_accept_caps (q, &prop);
/* Fast check against target caps */
if (gst_caps_can_intersect (prop, input->dbin->caps))
gst_query_set_accept_caps_result (q, TRUE);
else {
gboolean accepted = check_parser_caps_filter (input->dbin, prop);
/* check against caps filter */
gst_query_set_accept_caps_result (q, accepted);
GST_DEBUG_OBJECT (pad, "ACCEPT_CAPS query, returning %d", accepted);
}
ret = GST_PAD_PROBE_HANDLED;
}
}
return ret;
}
static gboolean
gst_gl_mixer_sink_query (GstAggregator * agg, GstAggregatorPad * bpad,
GstQuery * query)
{
gboolean ret = FALSE;
GstGLMixer *mix = GST_GL_MIXER (agg);
GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
GST_TRACE ("QUERY %" GST_PTR_FORMAT, query);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *filter, *caps;
gst_query_parse_caps (query, &filter);
caps = gst_gl_mixer_pad_sink_getcaps (GST_PAD (bpad), mix, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
case GST_QUERY_ACCEPT_CAPS:
{
GstCaps *caps;
gst_query_parse_accept_caps (query, &caps);
ret = gst_gl_mixer_pad_sink_acceptcaps (GST_PAD (bpad), mix, caps);
gst_query_set_accept_caps_result (query, ret);
ret = TRUE;
break;
}
case GST_QUERY_ALLOCATION:
{
GstQuery *decide_query = NULL;
GST_OBJECT_LOCK (mix);
if (G_UNLIKELY (!mix->priv->negotiated)) {
GST_DEBUG_OBJECT (mix,
"not negotiated yet, can't answer ALLOCATION query");
GST_OBJECT_UNLOCK (mix);
return FALSE;
}
if ((decide_query = mix->priv->query))
gst_query_ref (decide_query);
GST_OBJECT_UNLOCK (mix);
GST_DEBUG_OBJECT (mix,
"calling propose allocation with query %" GST_PTR_FORMAT,
decide_query);
/* pass the query to the propose_allocation vmethod if any */
ret = gst_gl_mixer_propose_allocation (mix, decide_query, query);
if (decide_query)
gst_query_unref (decide_query);
GST_DEBUG_OBJECT (mix, "ALLOCATION ret %d, %" GST_PTR_FORMAT, ret, query);
break;
}
case GST_QUERY_CONTEXT:
{
ret = gst_gl_handle_context_query ((GstElement *) mix, query,
&mix->display, &mix->other_context);
if (mix->display)
gst_gl_display_filter_gl_api (mix->display,
mix_class->supported_gl_api);
break;
}
default:
ret = GST_AGGREGATOR_CLASS (parent_class)->sink_query (agg, bpad, query);
break;
}
return ret;
}
static gboolean
stereosplit_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstGLStereoSplit *split = GST_GL_STEREOSPLIT (parent);
GST_DEBUG_OBJECT (split, "sink query %s",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:
{
const gchar *context_type;
GstContext *context, *old_context;
gboolean ret;
ret = gst_gl_handle_context_query ((GstElement *) split, query,
&split->display, &split->other_context);
if (split->display)
gst_gl_display_filter_gl_api (split->display, SUPPORTED_GL_APIS);
gst_query_parse_context_type (query, &context_type);
if (g_strcmp0 (context_type, "gst.gl.local_context") == 0) {
GstStructure *s;
gst_query_parse_context (query, &old_context);
if (old_context)
context = gst_context_copy (old_context);
else
context = gst_context_new ("gst.gl.local_context", FALSE);
s = gst_context_writable_structure (context);
gst_structure_set (s, "context", GST_GL_TYPE_CONTEXT, split->context,
NULL);
gst_query_set_context (query, context);
gst_context_unref (context);
ret = split->context != NULL;
}
GST_LOG_OBJECT (split, "context query of type %s %i", context_type, ret);
if (ret)
return ret;
return gst_pad_query_default (pad, parent, query);
}
case GST_QUERY_ALLOCATION:
{
return stereosplit_propose_allocation (split, query);
}
case GST_QUERY_ACCEPT_CAPS:
{
GstCaps *possible, *caps;
gboolean allowed;
gst_query_parse_accept_caps (query, &caps);
if (!(possible = gst_pad_query_caps (split->sink_pad, caps)))
return FALSE;
allowed = gst_caps_is_subset (caps, possible);
gst_caps_unref (possible);
gst_query_set_accept_caps_result (query, allowed);
return allowed;
}
case GST_QUERY_CAPS:
{
GstCaps *filter, *left, *right, *combined, *ret, *templ_caps;
gst_query_parse_caps (query, &filter);
/* Calculate what downstream can collectively support */
if (!(left = gst_pad_peer_query_caps (split->left_pad, NULL)))
return FALSE;
if (!(right = gst_pad_peer_query_caps (split->right_pad, NULL)))
return FALSE;
/* Strip out multiview mode and flags that might break the
* intersection, since we can convert.
* We could keep downstream preferred flip/flopping and list
* separated as preferred in the future which might
* theoretically allow us an easier conversion, but it's not essential
*/
left = strip_mview_fields (left, GST_VIDEO_MULTIVIEW_FLAGS_NONE);
right = strip_mview_fields (right, GST_VIDEO_MULTIVIEW_FLAGS_NONE);
combined = gst_caps_intersect (left, right);
gst_caps_unref (left);
gst_caps_unref (right);
/* Intersect peer caps with our template formats */
templ_caps = gst_pad_get_pad_template_caps (split->left_pad);
ret =
gst_caps_intersect_full (combined, templ_caps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (templ_caps);
gst_caps_unref (combined);
combined = ret;
if (!combined || gst_caps_is_empty (combined)) {
gst_caps_unref (combined);
return FALSE;
}
/* Convert from the src pad caps to input formats we support */
ret = stereosplit_transform_caps (split, GST_PAD_SRC, combined, filter);
gst_caps_unref (combined);
combined = ret;
/* Intersect with the sink pad template then */
templ_caps = gst_pad_get_pad_template_caps (split->sink_pad);
ret =
gst_caps_intersect_full (combined, templ_caps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (templ_caps);
GST_LOG_OBJECT (split, "Returning sink pad caps %" GST_PTR_FORMAT, ret);
gst_query_set_caps_result (query, ret);
return !gst_caps_is_empty (ret);
}
default:
return gst_pad_query_default (pad, parent, query);
}
}
static gboolean
gst_directsound_sink_acceptcaps (GstBaseSink * sink, GstQuery * query)
{
GstDirectSoundSink *dsink = GST_DIRECTSOUND_SINK (sink);
GstPad *pad;
GstCaps *caps;
GstCaps *pad_caps;
GstStructure *st;
gboolean ret = FALSE;
GstAudioRingBufferSpec spec = { 0 };
if (G_UNLIKELY (dsink == NULL))
return FALSE;
pad = sink->sinkpad;
gst_query_parse_accept_caps (query, &caps);
GST_DEBUG_OBJECT (pad, "caps %" GST_PTR_FORMAT, caps);
pad_caps = gst_pad_query_caps (pad, NULL);
if (pad_caps) {
gboolean cret = gst_caps_is_subset (caps, pad_caps);
gst_caps_unref (pad_caps);
if (!cret) {
GST_DEBUG_OBJECT (dsink,
"Caps are not a subset of the pad caps, not accepting caps");
goto done;
}
}
/* If we've not got fixed caps, creating a stream might fail, so let's just
* return from here with default acceptcaps behaviour */
if (!gst_caps_is_fixed (caps)) {
GST_DEBUG_OBJECT (dsink, "Caps are not fixed, not accepting caps");
goto done;
}
spec.latency_time = GST_SECOND;
if (!gst_audio_ring_buffer_parse_caps (&spec, caps)) {
GST_DEBUG_OBJECT (dsink, "Failed to parse caps, not accepting");
goto done;
}
/* Make sure input is framed (one frame per buffer) and can be payloaded */
switch (spec.type) {
case GST_AUDIO_RING_BUFFER_FORMAT_TYPE_AC3:
case GST_AUDIO_RING_BUFFER_FORMAT_TYPE_DTS:
{
gboolean framed = FALSE, parsed = FALSE;
st = gst_caps_get_structure (caps, 0);
gst_structure_get_boolean (st, "framed", &framed);
gst_structure_get_boolean (st, "parsed", &parsed);
if ((!framed && !parsed) || gst_audio_iec61937_frame_size (&spec) <= 0) {
GST_DEBUG_OBJECT (dsink, "Wrong AC3/DTS caps, not accepting");
goto done;
}
}
default:
break;
}
ret = TRUE;
GST_DEBUG_OBJECT (dsink, "Accepting caps");
done:
gst_query_set_accept_caps_result (query, ret);
return TRUE;
}
