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Made minimum changes needed to pass on data unmodified like the ident…
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…ity plugin.
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@george-hawkins
george-hawkins committed Aug 3, 2019
1 parent fd7c2c9 commit b01f7a6
Showing 1 changed file with 10 additions and 65 deletions.
75 changes: 10 additions & 65 deletions plugins/gstabsolutetimestamps.c
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Original file line number Diff line number Diff line change
Expand Up @@ -53,14 +53,10 @@ static void gst_absolutetimestamps_finalize (GObject * object);

static GstCaps *gst_absolutetimestamps_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static GstCaps *gst_absolutetimestamps_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static gboolean gst_absolutetimestamps_accept_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps);
static gboolean gst_absolutetimestamps_set_caps (GstBaseTransform * trans,
GstCaps * incaps, GstCaps * outcaps);
static gboolean gst_absolutetimestamps_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query);
static gboolean gst_absolutetimestamps_decide_allocation (GstBaseTransform *
trans, GstQuery * query);
static gboolean gst_absolutetimestamps_filter_meta (GstBaseTransform * trans,
Expand All @@ -78,17 +74,12 @@ static gboolean gst_absolutetimestamps_sink_event (GstBaseTransform * trans,
GstEvent * event);
static gboolean gst_absolutetimestamps_src_event (GstBaseTransform * trans,
GstEvent * event);
static GstFlowReturn
gst_absolutetimestamps_prepare_output_buffer (GstBaseTransform * trans,
GstBuffer * input, GstBuffer ** outbuf);
static gboolean gst_absolutetimestamps_copy_metadata (GstBaseTransform * trans,
GstBuffer * input, GstBuffer * outbuf);
static gboolean gst_absolutetimestamps_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf);
static void gst_absolutetimestamps_before_transform (GstBaseTransform * trans,
GstBuffer * buffer);
static GstFlowReturn gst_absolutetimestamps_transform (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer * outbuf);
static GstFlowReturn gst_absolutetimestamps_transform_ip (GstBaseTransform *
trans, GstBuffer * buf);

Expand All @@ -103,14 +94,14 @@ static GstStaticPadTemplate gst_absolutetimestamps_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/unknown")
GST_STATIC_CAPS_ANY
);

static GstStaticPadTemplate gst_absolutetimestamps_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/unknown")
GST_STATIC_CAPS_ANY
);


Expand Down Expand Up @@ -146,14 +137,10 @@ gst_absolutetimestamps_class_init (GstAbsolutetimestampsClass * klass)
gobject_class->finalize = gst_absolutetimestamps_finalize;
base_transform_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_transform_caps);
base_transform_class->fixate_caps =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_fixate_caps);
base_transform_class->accept_caps =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_accept_caps);
base_transform_class->set_caps =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_set_caps);
base_transform_class->query =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_query);
base_transform_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_decide_allocation);
base_transform_class->filter_meta =
Expand All @@ -171,16 +158,12 @@ gst_absolutetimestamps_class_init (GstAbsolutetimestampsClass * klass)
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_sink_event);
base_transform_class->src_event =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_src_event);
base_transform_class->prepare_output_buffer =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_prepare_output_buffer);
base_transform_class->copy_metadata =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_copy_metadata);
base_transform_class->transform_meta =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_transform_meta);
base_transform_class->before_transform =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_before_transform);
base_transform_class->transform =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_transform);
base_transform_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_absolutetimestamps_transform_ip);

Expand Down Expand Up @@ -278,17 +261,6 @@ gst_absolutetimestamps_transform_caps (GstBaseTransform * trans,
}
}

static GstCaps *
gst_absolutetimestamps_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstAbsolutetimestamps *absolutetimestamps = GST_ABSOLUTETIMESTAMPS (trans);

GST_DEBUG_OBJECT (absolutetimestamps, "fixate_caps");

return NULL;
}

static gboolean
gst_absolutetimestamps_accept_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
Expand All @@ -297,7 +269,14 @@ gst_absolutetimestamps_accept_caps (GstBaseTransform * trans,

GST_DEBUG_OBJECT (absolutetimestamps, "accept_caps");

return TRUE;
GstPad *pad;

if (direction == GST_PAD_SRC)
pad = GST_BASE_TRANSFORM_SINK_PAD (trans);
else
pad = GST_BASE_TRANSFORM_SRC_PAD (trans);

return gst_pad_peer_query_accept_caps (pad, caps);
}

static gboolean
Expand All @@ -311,17 +290,6 @@ gst_absolutetimestamps_set_caps (GstBaseTransform * trans, GstCaps * incaps,
return TRUE;
}

static gboolean
gst_absolutetimestamps_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query)
{
GstAbsolutetimestamps *absolutetimestamps = GST_ABSOLUTETIMESTAMPS (trans);

GST_DEBUG_OBJECT (absolutetimestamps, "query");

return TRUE;
}

/* decide allocation query for output buffers */
static gboolean
gst_absolutetimestamps_decide_allocation (GstBaseTransform * trans,
Expand Down Expand Up @@ -425,17 +393,6 @@ gst_absolutetimestamps_src_event (GstBaseTransform * trans, GstEvent * event)
src_event (trans, event);
}

static GstFlowReturn
gst_absolutetimestamps_prepare_output_buffer (GstBaseTransform * trans,
GstBuffer * input, GstBuffer ** outbuf)
{
GstAbsolutetimestamps *absolutetimestamps = GST_ABSOLUTETIMESTAMPS (trans);

GST_DEBUG_OBJECT (absolutetimestamps, "prepare_output_buffer");

return GST_FLOW_OK;
}

/* metadata */
static gboolean
gst_absolutetimestamps_copy_metadata (GstBaseTransform * trans,
Expand Down Expand Up @@ -469,18 +426,6 @@ gst_absolutetimestamps_before_transform (GstBaseTransform * trans,

}

/* transform */
static GstFlowReturn
gst_absolutetimestamps_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstAbsolutetimestamps *absolutetimestamps = GST_ABSOLUTETIMESTAMPS (trans);

GST_DEBUG_OBJECT (absolutetimestamps, "transform");

return GST_FLOW_OK;
}

static GstFlowReturn
gst_absolutetimestamps_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{
Expand Down

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