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encodebin: Handle changes in encoding_profile::restriction during playback

Browse source 
There are cases where we want to change the restrictions caps during
playback, handle that in encodebin.

https://bugzilla.gnome.org/show_bug.cgi?id=709588
This commit is contained in:
Thibault Saunier 2013-10-07 14:52:00 -03:00
parent 76d807893c
commit 4305e1c33e
2 changed files with 81 additions and 8 deletions
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60
gst-libs/gst/pbutils/encoding-profile.c
View file

@ -150,6 +150,15 @@ struct _GstEncodingProfileClass
GObjectClass parent_class;
};
enum
{
FIRST_PROPERTY,
PROP_RESTRICTION_CAPS,
LAST_PROPERTY
};
static GParamSpec *_properties[LAST_PROPERTY];
static void string_to_profile_transform (const GValue * src_value,
GValue * dest_value);
static gboolean gst_encoding_profile_deserialize_valfunc (GValue * value,
@ -198,6 +207,42 @@ gst_encoding_profile_get_type (void)
return g_define_type_id__volatile;
}
static void
_encoding_profile_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstEncodingProfile *prof = (GstEncodingProfile *) object;
switch (prop_id) {
case PROP_RESTRICTION_CAPS:
{
gst_value_set_caps (value, prof->restriction);
break;
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
_encoding_profile_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstEncodingProfile *prof = (GstEncodingProfile *) object;
switch (prop_id) {
case PROP_RESTRICTION_CAPS:
gst_encoding_profile_set_restriction (prof, gst_caps_copy
(gst_value_get_caps (value)));
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_encoding_profile_finalize (GObject * object)
{
@ -220,6 +265,18 @@ gst_encoding_profile_class_init (GstEncodingProfileClass * klass)
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->finalize = gst_encoding_profile_finalize;
gobject_class->set_property = _encoding_profile_set_property;
gobject_class->get_property = _encoding_profile_get_property;
_properties[PROP_RESTRICTION_CAPS] =
g_param_spec_boxed ("restriction-caps", "Restriction caps",
"The restriction caps to use", GST_TYPE_CAPS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (gobject_class,
PROP_RESTRICTION_CAPS, _properties[PROP_RESTRICTION_CAPS]);
}
/**
@ -426,6 +483,9 @@ gst_encoding_profile_set_restriction (GstEncodingProfile * profile,
if (profile->restriction)
gst_caps_unref (profile->restriction);
profile->restriction = restriction;
g_object_notify_by_pspec (G_OBJECT (profile),
_properties[PROP_RESTRICTION_CAPS]);
}
/* Container profiles */

17
gst/encoding/gstencodebin.c
View file

@ -221,6 +221,7 @@ struct _StreamGroup
GstElement *outfilter; /* Output capsfilter (streamprofile.format) */
GstElement *formatter;
GstElement *outqueue; /* Queue just before the muxer */
gulong restriction_sid;
};
/* Default for queues (same defaults as queue element) */
@ -1064,6 +1065,15 @@ _has_class (GstElement * element, const gchar * classname)
return strstr (value, classname) != NULL;
}
static void
_profile_restriction_caps_cb (GstEncodingProfile * profile,
GParamSpec * arg G_GNUC_UNUSED, StreamGroup * group)
{
GstCaps *restriction = gst_encoding_profile_get_restriction (profile);
g_object_set (group->capsfilter, "caps", restriction, NULL);
}
/* FIXME : Add handling of streams that don't need encoding */
/* FIXME : Add handling of streams that don't require conversion elements */
/*
@ -1292,16 +1302,17 @@ _create_stream_group (GstEncodeBin * ebin, GstEncodingProfile * sprof,
/* 3. Create the conversion/restriction elements */
/* 3.1. capsfilter */
if (restriction && !gst_caps_is_any (restriction)) {
GST_LOG ("Adding capsfilter for restriction caps : %" GST_PTR_FORMAT,
restriction);
last = sgroup->capsfilter = gst_element_factory_make ("capsfilter", NULL);
if (restriction && !gst_caps_is_any (restriction))
g_object_set (sgroup->capsfilter, "caps", restriction, NULL);
gst_bin_add ((GstBin *) ebin, sgroup->capsfilter);
tosync = g_list_append (tosync, sgroup->capsfilter);
fast_element_link (sgroup->capsfilter, sgroup->encoder);
}
sgroup->restriction_sid = g_signal_connect (sprof, "notify::restriction-caps",
G_CALLBACK (_profile_restriction_caps_cb), sgroup);
/* 3.2. restriction elements */
/* FIXME : Once we have properties for specific converters, use those */
@ -1870,6 +1881,8 @@ stream_group_free (GstEncodeBin * ebin, StreamGroup * sgroup)
GST_DEBUG_OBJECT (ebin, "Freeing StreamGroup %p", sgroup);
g_signal_handler_disconnect (sgroup->profile, sgroup->restriction_sid);
if (ebin->muxer) {
/* outqueue - Muxer */
tmppad = gst_element_get_static_pad (sgroup->outqueue, "src");