mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 12:41:05 +00:00
f790fcbfa6
Only converted basetransform for the moment. It's probably easier to write templates from scratch from the documentation.
233 lines
6.7 KiB
C
233 lines
6.7 KiB
C
/* vim: set filetype=c: */
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% ClassName
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GstBaseTransform
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% TYPE_CLASS_NAME
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GST_TYPE_BASE_TRANSFORM
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% pads
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sinkpad-simple srcpad-simple
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% pkg-config
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gstreamer-base-1.0
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% pads
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sinkpad-simple srcpad-simple
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% includes
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#include <gst/base/gstbasetransform.h>
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% prototypes
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static GstCaps *gst_replace_transform_caps (GstBaseTransform *trans,
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GstPadDirection direction, GstCaps *caps, GstCaps *filter);
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static GstCaps *
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gst_replace_fixate_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
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static gboolean gst_replace_accept_caps (GstBaseTransform *trans,
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GstPadDirection direction, GstCaps *caps);
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static gboolean gst_replace_set_caps (GstBaseTransform *trans, GstCaps *incaps,
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GstCaps *outcaps);
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static gboolean gst_replace_query (GstBaseTransform *trans, GstPadDirection direction,
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GstQuery *query);
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static gboolean gst_replace_decide_allocation (GstBaseTransform *trans,
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GstQuery *query);
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static gboolean gst_replace_filter_meta (GstBaseTransform *trans, GstQuery *query,
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GType api, const GstStructure *params);
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static gboolean gst_replace_propose_allocation (GstBaseTransform *trans,
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GstQuery *decide_query, GstQuery *query);
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static gboolean gst_replace_transform_size (GstBaseTransform * trans,
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GstPadDirection direction,
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GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize);
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static gboolean gst_replace_get_unit_size (GstBaseTransform * trans,
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GstCaps * caps, gsize * size);
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static gboolean gst_replace_start (GstBaseTransform * trans);
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static gboolean gst_replace_stop (GstBaseTransform * trans);
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static gboolean gst_replace_sink_event (GstBaseTransform * trans,
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GstEvent * event);
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static gboolean gst_replace_src_event (GstBaseTransform * trans,
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GstEvent * event);
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static GstFlowReturn gst_replace_prepare_output_buffer (
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GstBaseTransform * trans, GstBuffer *input, GstBuffer **outbuf);
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static gboolean gst_replace_copy_metadata (GstBaseTransform *trans,
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GstBuffer *input, GstBuffer *outbuf);
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static gboolean gst_replace_transform_meta (GstBaseTransform *trans,
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GstBuffer *outbuf, GstMeta *meta, GstBuffer *inbuf);
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static void
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gst_replace_before_transform (GstBaseTransform * trans, GstBuffer * buffer);
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static GstFlowReturn
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gst_replace_transform (GstBaseTransform * trans, GstBuffer * inbuf,
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GstBuffer * outbuf);
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static GstFlowReturn
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gst_replace_transform_ip (GstBaseTransform * trans, GstBuffer * buf);
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% declare-class
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GstBaseTransformClass *base_transform_class = GST_BASE_TRANSFORM_CLASS (klass);
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% set-methods
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base_transform_class->transform_caps = GST_DEBUG_FUNCPTR (gst_replace_transform_caps);
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base_transform_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_replace_fixate_caps);
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base_transform_class->accept_caps = GST_DEBUG_FUNCPTR (gst_replace_accept_caps);
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base_transform_class->set_caps = GST_DEBUG_FUNCPTR (gst_replace_set_caps);
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base_transform_class->query = GST_DEBUG_FUNCPTR (gst_replace_query);
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base_transform_class->decide_allocation = GST_DEBUG_FUNCPTR (gst_replace_decide_allocation);
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base_transform_class->filter_meta = GST_DEBUG_FUNCPTR (gst_replace_filter_meta);
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base_transform_class->propose_allocation = GST_DEBUG_FUNCPTR (gst_replace_propose_allocation);
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base_transform_class->transform_size = GST_DEBUG_FUNCPTR (gst_replace_transform_size);
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base_transform_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_replace_get_unit_size);
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base_transform_class->start = GST_DEBUG_FUNCPTR (gst_replace_start);
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base_transform_class->stop = GST_DEBUG_FUNCPTR (gst_replace_stop);
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base_transform_class->sink_event = GST_DEBUG_FUNCPTR (gst_replace_sink_event);
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base_transform_class->src_event = GST_DEBUG_FUNCPTR (gst_replace_src_event);
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base_transform_class->prepare_output_buffer = GST_DEBUG_FUNCPTR (gst_replace_prepare_output_buffer);
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base_transform_class->copy_metadata = GST_DEBUG_FUNCPTR (gst_replace_copy_metadata);
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base_transform_class->transform_meta = GST_DEBUG_FUNCPTR (gst_replace_transform_meta);
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base_transform_class->before_transform = GST_DEBUG_FUNCPTR (gst_replace_before_transform);
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base_transform_class->transform = GST_DEBUG_FUNCPTR (gst_replace_transform);
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base_transform_class->transform_ip = GST_DEBUG_FUNCPTR (gst_replace_transform_ip);
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% methods
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static GstCaps *
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gst_replace_transform_caps (GstBaseTransform *trans,
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GstPadDirection direction, GstCaps *caps, GstCaps *filter)
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{
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return NULL;
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}
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static GstCaps *
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gst_replace_fixate_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
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{
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return NULL;
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}
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static gboolean
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gst_replace_accept_caps (GstBaseTransform *trans,
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GstPadDirection direction, GstCaps *caps)
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{
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return TRUE;
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}
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static gboolean
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gst_replace_set_caps (GstBaseTransform * trans, GstCaps * incaps,
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GstCaps * outcaps)
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{
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return FALSE;
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}
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static gboolean
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gst_replace_query (GstBaseTransform *trans, GstPadDirection direction,
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GstQuery *query)
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{
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return TRUE;
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}
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static gboolean
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gst_replace_decide_allocation (GstBaseTransform *trans, GstQuery *query)
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{
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return TRUE;
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}
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static gboolean
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gst_replace_filter_meta (GstBaseTransform *trans, GstQuery *query,
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GType api, const GstStructure *params)
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{
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return TRUE;
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}
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static gboolean
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gst_replace_propose_allocation (GstBaseTransform *trans,
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GstQuery *decide_query, GstQuery *query)
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{
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return TRUE;
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}
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static gboolean
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gst_replace_transform_size (GstBaseTransform * trans,
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GstPadDirection direction,
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GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize)
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{
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return FALSE;
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}
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static gboolean
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gst_replace_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
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gsize * size)
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{
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return FALSE;
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}
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static gboolean
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gst_replace_start (GstBaseTransform * trans)
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{
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return FALSE;
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}
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static gboolean
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gst_replace_stop (GstBaseTransform * trans)
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{
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return FALSE;
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}
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static gboolean
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gst_replace_sink_event (GstBaseTransform * trans, GstEvent * event)
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{
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return FALSE;
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}
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static gboolean
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gst_replace_src_event (GstBaseTransform * trans, GstEvent * event)
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{
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return FALSE;
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}
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static GstFlowReturn
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gst_replace_prepare_output_buffer (GstBaseTransform * trans,
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GstBuffer * input, GstBuffer ** buf)
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{
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return GST_FLOW_ERROR;
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}
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static gboolean
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gst_replace_copy_metadata (GstBaseTransform *trans,
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GstBuffer *input, GstBuffer *outbuf)
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{
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return TRUE;
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}
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static gboolean
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gst_replace_transform_meta (GstBaseTransform *trans,
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GstBuffer *outbuf, GstMeta *meta, GstBuffer *inbuf)
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{
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return TRUE;
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}
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static void
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gst_replace_before_transform (GstBaseTransform * trans, GstBuffer * buffer)
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{
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}
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static GstFlowReturn
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gst_replace_transform (GstBaseTransform * trans, GstBuffer * inbuf,
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GstBuffer * outbuf)
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{
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return GST_FLOW_ERROR;
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}
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static GstFlowReturn
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gst_replace_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
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{
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return GST_FLOW_ERROR;
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}
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% end
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