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kazu
253
gstbeatdetector.c
Executable file
253
gstbeatdetector.c
Executable file
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/* GStreamer
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* Copyright (C) 2017 FIXME <fixme@example.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
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* Boston, MA 02110-1335, USA.
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*/
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/**
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* SECTION:element-gstbeatdetector
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*
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* The beatdetector element does FIXME stuff.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch -v fakesrc ! beatdetector ! FIXME ! fakesink
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* ]|
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* FIXME Describe what the pipeline does.
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include "gstbeatdetector.h"
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GST_DEBUG_CATEGORY_STATIC (gst_beatdetector_debug_category);
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#define GST_CAT_DEFAULT gst_beatdetector_debug_category
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/* prototypes */
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static GstCaps *gst_beatdetector_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps);
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static void
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gst_beatdetector_fixate_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
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static gboolean
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gst_beatdetector_transform_size (GstBaseTransform * trans,
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GstPadDirection direction,
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GstCaps * caps, guint size, GstCaps * othercaps, guint * othersize);
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static gboolean
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gst_beatdetector_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
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guint * size);
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static gboolean
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gst_beatdetector_set_caps (GstBaseTransform * trans, GstCaps * incaps,
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GstCaps * outcaps);
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static gboolean gst_beatdetector_start (GstBaseTransform * trans);
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static gboolean gst_beatdetector_stop (GstBaseTransform * trans);
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static gboolean gst_beatdetector_event (GstBaseTransform * trans, GstEvent * event);
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static GstFlowReturn
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gst_beatdetector_transform (GstBaseTransform * trans, GstBuffer * inbuf,
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GstBuffer * outbuf);
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static GstFlowReturn
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gst_beatdetector_transform_ip (GstBaseTransform * trans, GstBuffer * buf);
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static GstFlowReturn
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gst_beatdetector_prepare_output_buffer (GstBaseTransform * trans,
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GstBuffer * input, gint size, GstCaps * caps, GstBuffer ** buf);
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static gboolean
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gst_beatdetector_src_event (GstBaseTransform * trans, GstEvent * event);
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static void
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gst_beatdetector_before_transform (GstBaseTransform * trans, GstBuffer * buffer);
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enum
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{
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PROP_0
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};
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/* pad templates */
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/* class initialization */
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_beatdetector_debug_category, "beatdetector", 0, \
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"debug category for beatdetector element");
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GST_BOILERPLATE_FULL (GstBeatDetector, gst_beatdetector, GstBaseTransform,
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GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
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static void
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gst_beatdetector_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_set_details_simple (element_class, "FIXME Long name",
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"Generic", "FIXME Description", "FIXME <fixme@example.com>");
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}
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static void
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gst_beatdetector_class_init (GstBeatDetectorClass * klass)
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{
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GstBaseTransformClass *base_transform_class = GST_BASE_TRANSFORM_CLASS (klass);
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base_transform_class->transform_caps = GST_DEBUG_FUNCPTR (gst_beatdetector_transform_caps);
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base_transform_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_beatdetector_fixate_caps);
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base_transform_class->transform_size = GST_DEBUG_FUNCPTR (gst_beatdetector_transform_size);
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base_transform_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_beatdetector_get_unit_size);
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base_transform_class->set_caps = GST_DEBUG_FUNCPTR (gst_beatdetector_set_caps);
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base_transform_class->start = GST_DEBUG_FUNCPTR (gst_beatdetector_start);
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base_transform_class->stop = GST_DEBUG_FUNCPTR (gst_beatdetector_stop);
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base_transform_class->event = GST_DEBUG_FUNCPTR (gst_beatdetector_event);
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base_transform_class->transform = GST_DEBUG_FUNCPTR (gst_beatdetector_transform);
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base_transform_class->transform_ip = GST_DEBUG_FUNCPTR (gst_beatdetector_transform_ip);
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base_transform_class->prepare_output_buffer = GST_DEBUG_FUNCPTR (gst_beatdetector_prepare_output_buffer);
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base_transform_class->src_event = GST_DEBUG_FUNCPTR (gst_beatdetector_src_event);
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base_transform_class->before_transform = GST_DEBUG_FUNCPTR (gst_beatdetector_before_transform);
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}
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static void
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gst_beatdetector_init (GstBeatDetector * beatdetector, GstBeatDetectorClass * beatdetector_class)
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{
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}
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static GstCaps *
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gst_beatdetector_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps)
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{
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return NULL;
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}
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static void
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gst_beatdetector_fixate_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
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{
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}
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static gboolean
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gst_beatdetector_transform_size (GstBaseTransform * trans,
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GstPadDirection direction,
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GstCaps * caps, guint size, GstCaps * othercaps, guint * 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_beatdetector_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
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guint * 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_beatdetector_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_beatdetector_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_beatdetector_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_beatdetector_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_beatdetector_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_beatdetector_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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static GstFlowReturn
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gst_beatdetector_prepare_output_buffer (GstBaseTransform * trans,
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GstBuffer * input, gint size, GstCaps * caps, 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_beatdetector_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 void
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gst_beatdetector_before_transform (GstBaseTransform * trans, GstBuffer * buffer)
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{
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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return gst_element_register (plugin, "beatdetector", GST_RANK_NONE,
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GST_TYPE_BEATDETECTOR);
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}
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#ifndef VERSION
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#define VERSION "0.0.FIXME"
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#endif
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#ifndef PACKAGE
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#define PACKAGE "FIXME_package"
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#endif
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#ifndef PACKAGE_NAME
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#define PACKAGE_NAME "FIXME_package_name"
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#endif
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#ifndef GST_PACKAGE_ORIGIN
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#define GST_PACKAGE_ORIGIN "http://FIXME.org/"
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#endif
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"beatdetector",
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"FIXME plugin description",
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plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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