mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 15:51:11 +00:00
125 lines
3.6 KiB
C
125 lines
3.6 KiB
C
/* GStreamer
|
|
* Copyright (C) 2010 David Schleef <ds@schleef.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstbasesink.h>
|
|
#include "gstchecksumsink.h"
|
|
|
|
static void gst_checksum_sink_dispose (GObject * object);
|
|
static void gst_checksum_sink_finalize (GObject * object);
|
|
|
|
static gboolean gst_checksum_sink_start (GstBaseSink * sink);
|
|
static gboolean gst_checksum_sink_stop (GstBaseSink * sink);
|
|
static GstFlowReturn
|
|
gst_checksum_sink_render (GstBaseSink * sink, GstBuffer * buffer);
|
|
|
|
static GstStaticPadTemplate gst_checksum_sink_sink_template =
|
|
GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS_ANY);
|
|
|
|
static GstStaticPadTemplate gst_checksum_sink_src_template =
|
|
GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS_ANY);
|
|
|
|
/* class initialization */
|
|
|
|
GST_BOILERPLATE (GstChecksumSink, gst_checksum_sink, GstBaseSink,
|
|
GST_TYPE_BASE_SINK);
|
|
|
|
static void
|
|
gst_checksum_sink_base_init (gpointer g_class)
|
|
{
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&gst_checksum_sink_src_template));
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&gst_checksum_sink_sink_template));
|
|
|
|
gst_element_class_set_details_simple (element_class, "Checksum sink",
|
|
"Debug/Sink", "Calculates a checksum for buffers",
|
|
"David Schleef <ds@schleef.org>");
|
|
}
|
|
|
|
static void
|
|
gst_checksum_sink_class_init (GstChecksumSinkClass * klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
GstBaseSinkClass *base_sink_class = GST_BASE_SINK_CLASS (klass);
|
|
|
|
gobject_class->dispose = gst_checksum_sink_dispose;
|
|
gobject_class->finalize = gst_checksum_sink_finalize;
|
|
base_sink_class->start = GST_DEBUG_FUNCPTR (gst_checksum_sink_start);
|
|
base_sink_class->stop = GST_DEBUG_FUNCPTR (gst_checksum_sink_stop);
|
|
base_sink_class->render = GST_DEBUG_FUNCPTR (gst_checksum_sink_render);
|
|
}
|
|
|
|
static void
|
|
gst_checksum_sink_init (GstChecksumSink * checksumsink,
|
|
GstChecksumSinkClass * checksumsink_class)
|
|
{
|
|
gst_base_sink_set_sync (GST_BASE_SINK (checksumsink), FALSE);
|
|
}
|
|
|
|
void
|
|
gst_checksum_sink_dispose (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
}
|
|
|
|
void
|
|
gst_checksum_sink_finalize (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static gboolean
|
|
gst_checksum_sink_start (GstBaseSink * sink)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_checksum_sink_stop (GstBaseSink * sink)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_checksum_sink_render (GstBaseSink * sink, GstBuffer * buffer)
|
|
{
|
|
gchar *s;
|
|
|
|
s = g_compute_checksum_for_data (G_CHECKSUM_SHA1, GST_BUFFER_DATA (buffer),
|
|
GST_BUFFER_SIZE (buffer));
|
|
g_print ("%" GST_TIME_FORMAT " %s\n",
|
|
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)), s);
|
|
|
|
g_free (s);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|