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daalaenc: add accept-caps handling

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Ovewrite default handling to avoid doing a caps query. Check
the received caps against the possible formats supported by
the daala library.
This commit is contained in:
Thiago Santos 2015-08-17 14:32:56 -03:00
parent a6dc5e19a2
commit f2aabb9f89
1 changed files with 29 additions and 0 deletions
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29
ext/daala/gstdaalaenc.c
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@ -97,6 +97,8 @@ static GstFlowReturn daala_enc_pre_push (GstVideoEncoder * benc,
static GstFlowReturn daala_enc_finish (GstVideoEncoder * enc);
static gboolean daala_enc_propose_allocation (GstVideoEncoder * encoder,
GstQuery * query);
static gboolean gst_daala_enc_sink_query (GstVideoEncoder * encoder,
GstQuery * query);
static GstCaps *daala_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter);
static void daala_enc_get_property (GObject * object, guint prop_id,
@ -145,6 +147,7 @@ gst_daala_enc_class_init (GstDaalaEncClass * klass)
gstvideo_encoder_class->pre_push = GST_DEBUG_FUNCPTR (daala_enc_pre_push);
gstvideo_encoder_class->finish = GST_DEBUG_FUNCPTR (daala_enc_finish);
gstvideo_encoder_class->getcaps = GST_DEBUG_FUNCPTR (daala_enc_getcaps);
gstvideo_encoder_class->sink_query = GST_DEBUG_FUNCPTR (daala_enc_sink_query);
gstvideo_encoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (daala_enc_propose_allocation);
@ -292,6 +295,32 @@ daala_enc_get_supported_formats (void)
return string == NULL ? NULL : g_string_free (string, FALSE);
}
static gboolean
gst_daala_enc_sink_query (GstVideoEncoder * encoder, GstQuery * query)
{
gboolean res;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ACCEPT_CAPS:{
GstCaps *acceptable, *caps;
acceptable = daala_enc_get_supported_formats ();
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 (encoder, query);
break;
}
return res;
}
static GstCaps *
daala_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter)
{