static gboolean
gst_shape_wipe_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstShapeWipe *self = GST_SHAPE_WIPE (parent);
gboolean ret;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *filter, *caps;
gst_query_parse_caps (query, &filter);
caps = gst_shape_wipe_src_getcaps (pad, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
default:
ret = gst_pad_peer_query (self->video_sinkpad, query);
break;
}
return ret;
}
static gboolean
gst_wasapi_src_query (GstBaseSrc * src, GstQuery * query)
{
GstWasapiSrc *self = GST_WASAPI_SRC (src);
gboolean ret = FALSE;
GST_DEBUG_OBJECT (self, "query for %s",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:{
GstClockTime min_latency, max_latency;
min_latency = self->latency + self->period_time;
max_latency = min_latency;
GST_DEBUG_OBJECT (self, "reporting latency of min %" GST_TIME_FORMAT
" max %" GST_TIME_FORMAT,
GST_TIME_ARGS (min_latency), GST_TIME_ARGS (max_latency));
gst_query_set_latency (query, TRUE, min_latency, max_latency);
ret = TRUE;
break;
}
default:
ret = GST_BASE_SRC_CLASS (parent_class)->query (src, query);
break;
}
return ret;
}
static gboolean
gst_shape_wipe_mask_sink_query (GstPad * pad, GstObject * parent,
GstQuery * query)
{
gboolean ret;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *filter, *caps;
gst_query_parse_caps (query, &filter);
caps = gst_shape_wipe_mask_sink_getcaps (pad, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
default:
ret = gst_pad_query_default (pad, parent, query);
break;
}
return ret;
}
static gboolean
gst_image_freeze_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
gboolean ret;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *caps;
gst_query_parse_caps (query, &caps);
caps = gst_image_freeze_sink_getcaps (self, caps);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
default:
ret = gst_pad_query_default (pad, parent, query);
}
return ret;
}
static gboolean
gst_jp2k_decimator_query (GstPad * pad, GstQuery * query)
{
GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
gboolean ret;
GstPad *otherpad;
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
ret = gst_pad_peer_query (otherpad, query);
gst_object_unref (self);
return ret;
}
static gboolean
gst_segment_clip_query (GstPad * pad, GstQuery * query)
{
GstSegmentClip *self = GST_SEGMENT_CLIP (gst_pad_get_parent (pad));
gboolean ret;
GstPad *otherpad;
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
ret = gst_pad_peer_query (otherpad, query);
gst_object_unref (self);
return ret;
}
static gboolean
gst_shape_wipe_src_query (GstPad * pad, GstQuery * query)
{
GstShapeWipe *self = GST_SHAPE_WIPE (gst_pad_get_parent (pad));
gboolean ret;
GstPad *peer = gst_pad_get_peer (self->video_sinkpad);
GST_DEBUG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
if (!peer) {
GST_INFO_OBJECT (pad, "No peer yet");
ret = FALSE;
} else {
ret = gst_pad_query (peer, query);
gst_object_unref (peer);
}
gst_object_unref (self);
return ret;
}
static gboolean
gst_cdxa_parse_src_query (GstPad * srcpad, GstQuery * query)
{
GstCDXAParse *cdxa = GST_CDXA_PARSE (gst_pad_get_parent (srcpad));
gboolean res = FALSE;
GST_DEBUG_OBJECT (cdxa, "Handling %s query",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
res = gst_pad_query_default (srcpad, query);
if (res) {
GstFormat format;
gint64 val;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_DURATION:
gst_query_parse_duration (query, &format, &val);
if (format == GST_FORMAT_BYTES) {
val = gst_cdxa_parse_convert_sink_to_src_offset (cdxa, val);
gst_query_set_duration (query, format, val);
}
break;
case GST_QUERY_POSITION:
gst_query_parse_position (query, &format, &val);
if (format == GST_FORMAT_BYTES) {
val = gst_cdxa_parse_convert_sink_to_src_offset (cdxa, val);
gst_query_set_position (query, format, val);
}
break;
default:
break;
}
}
gst_object_unref (cdxa);
return res;
}
static gboolean owr_inter_src_internal_src_query(GstPad *pad, GstObject *parent,
GstQuery *query)
{
OwrInterSrc *self = OWR_INTER_SRC(gst_object_get_parent(parent));
GstPad *otherpad;
gboolean ret = FALSE;
if (!self)
return ret;
GST_LOG_OBJECT(pad, "Handling query of type '%s'",
gst_query_type_get_name(GST_QUERY_TYPE(query)));
otherpad = g_weak_ref_get(&self->sink_sinkpad);
if (otherpad) {
ret = gst_pad_peer_query(otherpad, query);
gst_object_unref(otherpad);
}
gst_object_unref(self);
return ret;
}
static gboolean
gst_segment_clip_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstSegmentClip *self = GST_SEGMENT_CLIP (parent);
gboolean ret;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
if (GST_QUERY_TYPE (query) == GST_QUERY_CAPS) {
GstCaps *caps;
gst_query_parse_caps (query, &caps);
caps = gst_segment_clip_getcaps (self, pad, caps);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
} else {
ret = gst_pad_query_default (pad, parent, query);
}
return ret;
}
static gboolean
gst_raw_parse_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstRawParse *rp = GST_RAW_PARSE (parent);
gboolean ret = FALSE;
GST_DEBUG ("src_query %s", gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 time, value;
GST_LOG ("query position");
gst_query_parse_position (query, &format, NULL);
time = rp->segment.position;
ret = gst_raw_parse_convert (rp, GST_FORMAT_TIME, time, format, &value);
gst_query_set_position (query, format, value);
break;
}
case GST_QUERY_DURATION:{
gint64 duration;
GstFormat format;
GstQuery *bquery;
GST_LOG ("query duration");
ret = gst_pad_peer_query (rp->sinkpad, query);
if (ret)
goto done;
gst_query_parse_duration (query, &format, NULL);
/* We only handle TIME and DEFAULT format */
if (format != GST_FORMAT_TIME && format != GST_FORMAT_DEFAULT)
goto error;
bquery = gst_query_new_duration (GST_FORMAT_BYTES);
ret = gst_pad_peer_query (rp->sinkpad, bquery);
if (!ret) {
gst_query_unref (bquery);
goto error;
}
gst_query_parse_duration (bquery, NULL, &duration);
gst_query_unref (bquery);
ret =
gst_raw_parse_convert (rp, GST_FORMAT_BYTES, duration, format,
&duration);
if (ret)
gst_query_set_duration (query, format, duration);
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
GST_LOG ("query convert");
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
ret = gst_raw_parse_convert (rp, src_fmt, src_val, dest_fmt, &dest_val);
if (!ret)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
case GST_QUERY_SEEKING:{
GstFormat fmt;
ret = TRUE;
gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL);
if (fmt != GST_FORMAT_TIME && fmt != GST_FORMAT_DEFAULT
&& fmt != GST_FORMAT_BYTES) {
gst_query_set_seeking (query, fmt, FALSE, -1, -1);
} else if (rp->mode == GST_PAD_MODE_PUSH) {
GstQuery *peerquery = gst_query_new_seeking (GST_FORMAT_BYTES);
gboolean seekable;
seekable = gst_pad_peer_query (rp->sinkpad, peerquery);
if (seekable)
gst_query_parse_seeking (peerquery, NULL, &seekable, NULL, NULL);
gst_query_unref (peerquery);
gst_query_set_seeking (query, fmt, seekable, seekable ? 0 : -1, -1);
} else {
gst_query_set_seeking (query, fmt, TRUE, 0, -1);
}
break;
}
default:
/* else forward upstream */
ret = gst_pad_query_default (rp->sinkpad, parent, query);
break;
}
done:
return ret;
/* ERRORS */
error:
{
GST_DEBUG_OBJECT (rp, "query failed");
goto done;
}
}
static gboolean
gst_cdaudio_query (GstElement * element, GstQuery * query)
{
GstCDAudio *cdaudio;
gboolean res = TRUE;
gulong micros;
gdouble seconds;
cdaudio = GST_CDAUDIO (element);
GST_LOG_OBJECT (element, "handling %s query",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
/* take new snapshot every 1000 miliseconds */
seconds = g_timer_elapsed (cdaudio->timer, µs);
if (micros > 1000 || seconds > 1) {
cd_stat (cdaudio->cd_desc, &cdaudio->info);
g_timer_start (cdaudio->timer);
}
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_DURATION:
{
GstFormat dest_format;
gint64 dest_val;
gst_query_parse_duration (query, &dest_format, NULL);
switch (dest_format) {
case GST_FORMAT_TIME:
dest_val = (cdaudio->info.disc_length.minutes * 60 +
cdaudio->info.disc_length.seconds) * GST_SECOND;
break;
default:
{
if (dest_format == track_format) {
dest_val = cdaudio->info.disc_total_tracks;
} else {
res = FALSE;
}
break;
}
}
if (res)
gst_query_set_duration (query, dest_format, dest_val);
break;
}
case GST_QUERY_POSITION:
{
GstFormat dest_format;
gint64 dest_val;
gst_query_parse_position (query, &dest_format, NULL);
switch (dest_format) {
case GST_FORMAT_TIME:
dest_val = (cdaudio->info.disc_time.minutes * 60 +
cdaudio->info.disc_time.seconds) * GST_SECOND;
break;
default:
{
if (dest_format == track_format) {
dest_val = cdaudio->info.disc_current_track;
} else {
res = FALSE;
}
break;
}
}
if (res)
gst_query_set_position (query, dest_format, dest_val);
break;
}
default:
res = FALSE;
break;
}
return res;
}
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_image_freeze_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstImageFreeze *self = GST_IMAGE_FREEZE (parent);
gboolean ret = FALSE;
GST_LOG_OBJECT (pad, "Handling query of type '%s'",
gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT: {
GstFormat src_format, dest_format;
gint64 src_value, dest_value;
gst_query_parse_convert (query, &src_format, &src_value, &dest_format,
&dest_value);
ret =
gst_image_freeze_convert (self, src_format, src_value, &dest_format,
&dest_value);
if (ret)
gst_query_set_convert (query, src_format, src_value, dest_format,
dest_value);
break;
}
case GST_QUERY_POSITION: {
GstFormat format;
gint64 position;
gst_query_parse_position (query, &format, NULL);
switch (format) {
case GST_FORMAT_DEFAULT: {
g_mutex_lock (&self->lock);
position = self->offset;
g_mutex_unlock (&self->lock);
ret = TRUE;
break;
}
case GST_FORMAT_TIME: {
g_mutex_lock (&self->lock);
position = self->segment.position;
g_mutex_unlock (&self->lock);
ret = TRUE;
break;
}
default:
break;
}
if (ret) {
gst_query_set_position (query, format, position);
GST_DEBUG_OBJECT (pad,
"Returning position %" G_GINT64_FORMAT " in format %s", position,
gst_format_get_name (format));
} else {
GST_DEBUG_OBJECT (pad, "Position query failed");
}
break;
}
case GST_QUERY_DURATION: {
GstFormat format;
gint64 duration;
gst_query_parse_duration (query, &format, NULL);
switch (format) {
case GST_FORMAT_TIME: {
g_mutex_lock (&self->lock);
duration = self->segment.stop;
g_mutex_unlock (&self->lock);
ret = TRUE;
break;
}
case GST_FORMAT_DEFAULT: {
g_mutex_lock (&self->lock);
duration = self->segment.stop;
if (duration != -1)
duration =
gst_util_uint64_scale (duration, self->fps_n,
GST_SECOND * self->fps_d);
g_mutex_unlock (&self->lock);
ret = TRUE;
break;
}
default:
break;
}
if (ret) {
gst_query_set_duration (query, format, duration);
GST_DEBUG_OBJECT (pad,
"Returning duration %" G_GINT64_FORMAT " in format %s", duration,
gst_format_get_name (format));
} else {
GST_DEBUG_OBJECT (pad, "Duration query failed");
}
break;
}
case GST_QUERY_SEEKING: {
GstFormat format;
gboolean seekable;
gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
seekable = (format == GST_FORMAT_TIME || format == GST_FORMAT_DEFAULT);
gst_query_set_seeking (query, format, seekable, (seekable ? 0 : -1), -1);
ret = TRUE;
break;
}
default:
ret = FALSE;
break;
}
return ret;
}
