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uri-source: Respect user stream selection

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/198>
This commit is contained in:
Thibault Saunier 2020-07-08 15:47:12 -04:00
parent 981a027ecd
commit 3a32247630
1 changed files with 41 additions and 3 deletions
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42
ges/ges-uri-source.c
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@ -29,6 +29,25 @@ GST_DEBUG_CATEGORY_STATIC (uri_source_debug);
#undef GST_CAT_DEFAULT
#define GST_CAT_DEFAULT uri_source_debug
#define DEFAULT_RAW_CAPS \
"video/x-raw; " \
"audio/x-raw; " \
"text/x-raw; " \
"subpicture/x-dvd; " \
"subpicture/x-pgs"
static GstStaticCaps default_raw_caps = GST_STATIC_CAPS (DEFAULT_RAW_CAPS);
static inline gboolean
are_raw_caps (const GstCaps * caps)
{
GstCaps *raw = gst_static_caps_get (&default_raw_caps);
gboolean res = gst_caps_can_intersect (caps, raw);
gst_caps_unref (raw);
return res;
}
typedef enum
{
GST_AUTOPLUG_SELECT_TRY,
@ -43,20 +62,39 @@ autoplug_select_cb (GstElement * bin, GstPad * pad, GstCaps * caps,
GstElement *nlesrc;
GstCaps *downstream_caps;
GstAutoplugSelectResult res = GST_AUTOPLUG_SELECT_TRY;
gchar *stream_id = gst_pad_get_stream_id (pad);
const gchar *wanted_id =
gst_discoverer_stream_info_get_stream_id
(ges_uri_source_asset_get_stream_info (GES_URI_SOURCE_ASSET
(ges_extractable_get_asset (GES_EXTRACTABLE (self->element)))));
gboolean wanted = !g_strcmp0 (stream_id, wanted_id);
if (!ges_source_get_rendering_smartly (GES_SOURCE (self->element))) {
if (!wanted && are_raw_caps (caps)) {
GST_DEBUG_OBJECT (self->element, "Totally skipping %s", stream_id);
res = GST_AUTOPLUG_SELECT_SKIP;
}
GST_LOG_OBJECT (self->element, "Not being smart here");
return res;
goto done;
}
nlesrc = ges_track_element_get_nleobject (self->element);
downstream_caps = gst_pad_peer_query_caps (nlesrc->srcpads->data, NULL);
if (downstream_caps && gst_caps_can_intersect (downstream_caps, caps)) {
GST_DEBUG_OBJECT (self, "Exposing %s", GST_OBJECT_NAME (factory));
if (wanted) {
res = GST_AUTOPLUG_SELECT_EXPOSE;
GST_DEBUG_OBJECT (self, "Exposing %" GST_PTR_FORMAT " with stream id: %s",
pad, stream_id);
} else {
res = GST_AUTOPLUG_SELECT_SKIP;
GST_DEBUG_OBJECT (self->element, "Totally skipping %s", stream_id);
}
}
gst_clear_caps (&downstream_caps);
done:
g_free (stream_id);
return res;
}