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autovideosrc: use videotestsrc as fallback element instead of fakesrc

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fakesrc doesn't announce video caps, so most video pipelines will
just error out with not-negotiated if a fallback element is created.
This commit is contained in:
Tim-Philipp Müller 2014-06-28 13:01:46 +01:00
parent 7dcc3ffe5a
commit 8b7f0ae3fe
1 changed files with 22 additions and 0 deletions
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22
gst/autodetect/gstautovideosrc.c
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@ -49,9 +49,29 @@ static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstElement *
gst_auto_video_src_create_fake_element (GstAutoDetect * autodetect)
{
GstElement *fake;
fake = gst_element_factory_make ("videotestsrc", "fake-auto-video-src");
if (fake != NULL) {
g_object_set (fake, "is-live", TRUE, NULL);
} else {
GST_ELEMENT_ERROR (autodetect, RESOURCE, NOT_FOUND,
("Failed to find usable video source element."),
("Failed to find a usable video source and couldn't create a video"
"testsrc as fallback either, check your GStreamer installation."));
/* This will error out with not-negotiated.. */
fake = gst_element_factory_make ("fakesrc", "fake-auto-video-src");
}
return fake;
}
static void
gst_auto_video_src_class_init (GstAutoVideoSrcClass * klass)
{
GstAutoDetectClass *autoclass = GST_AUTO_DETECT_CLASS (klass);
GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (eklass,
@ -61,6 +81,8 @@ gst_auto_video_src_class_init (GstAutoVideoSrcClass * klass)
"Wrapper video source for automatically detected video source",
"Jan Schmidt <thaytan@noraisin.net>, "
"Stefan Kost <ensonic@users.sf.net>");
autoclass->create_fake_element = gst_auto_video_src_create_fake_element;
}
static void