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klvinject: prepare outbuf buffers to handle non-writable buffers

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This commit is contained in:
Joshua M. Doe 2021-04-14 08:10:25 -04:00
parent b0dad8b7b2
commit 32abd30f5e
1 changed files with 18 additions and 4 deletions
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22
gst/klv/gstklvinject.c
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@ -45,7 +45,10 @@ GST_DEBUG_CATEGORY_STATIC (gst_klvinject_debug_category);
/* prototypes */
static GstFlowReturn gst_klvinject_transform_ip (GstBaseTransform * trans,
GstBuffer * buf);
GstBuffer * inbuf);
static GstFlowReturn gst_klvinject_prepare_output_buffer (GstBaseTransform *
trans, GstBuffer * input, GstBuffer ** outbuf);
enum
{
@ -85,9 +88,8 @@ gst_klvinject_class_init (GstKlvInjectClass * klass)
base_transform_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_klvinject_transform_ip);
base_transform_class->passthrough_on_same_caps = TRUE;
base_transform_class->transform_ip_on_passthrough = TRUE;
base_transform_class->prepare_output_buffer =
GST_DEBUG_FUNCPTR (gst_klvinject_prepare_output_buffer);
}
static void
@ -189,6 +191,18 @@ gst_klvinject_add_test_meta (GstKlvInject * filt, GstBuffer * buf)
}
}
static GstFlowReturn
gst_klvinject_prepare_output_buffer (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer ** outbuf)
{
GstFlowReturn ret = GST_FLOW_OK;
GstKlvInject *filt = GST_KLVINJECT (trans);
*outbuf = gst_buffer_copy (inbuf);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_klvinject_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{