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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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 "gstrtjpegdec.h"
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/* elementfactory information */
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GstElementDetails gst_rtjpegdec_details = {
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"RTjpeg decoder",
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"Codec/Decoder/Video",
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"Decodes video in RTjpeg format",
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"Erik Walthinsen <omega@cse.ogi.edu>"
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};
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/* GstRTJpegDec signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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ARG_QUALITY
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};
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static void gst_rtjpegdec_class_init (GstRTJpegDecClass * klass);
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static void gst_rtjpegdec_base_init (GstRTJpegDecClass * klass);
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static void gst_rtjpegdec_init (GstRTJpegDec * rtjpegdec);
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static void gst_rtjpegdec_chain (GstPad * pad, GstData * _data);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_rtjpegdec_signals[LAST_SIGNAL] = { 0 }; */
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GType
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gst_rtjpegdec_get_type (void)
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{
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static GType rtjpegdec_type = 0;
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if (!rtjpegdec_type) {
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static const GTypeInfo rtjpegdec_info = {
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sizeof (GstRTJpegDecClass),
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(GBaseInitFunc) gst_rtjpegdec_base_init,
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NULL,
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(GClassInitFunc) gst_rtjpegdec_class_init,
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NULL,
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NULL,
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sizeof (GstRTJpegDec),
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0,
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(GInstanceInitFunc) gst_rtjpegdec_init,
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};
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rtjpegdec_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstRTJpegDec",
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&rtjpegdec_info, 0);
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}
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return rtjpegdec_type;
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}
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static void
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gst_rtjpegdec_base_init (GstRTJpegDecClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_set_details (element_class, &gst_rtjpegdec_details);
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}
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static void
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gst_rtjpegdec_class_init (GstRTJpegDecClass * klass)
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{
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GstElementClass *gstelement_class;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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}
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static void
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gst_rtjpegdec_init (GstRTJpegDec * rtjpegdec)
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{
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rtjpegdec->sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
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gst_element_add_pad (GST_ELEMENT (rtjpegdec), rtjpegdec->sinkpad);
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gst_pad_set_chain_function (rtjpegdec->sinkpad, gst_rtjpegdec_chain);
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rtjpegdec->srcpad = gst_pad_new ("src", GST_PAD_SRC);
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gst_element_add_pad (GST_ELEMENT (rtjpegdec), rtjpegdec->srcpad);
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}
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static void
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gst_rtjpegdec_chain (GstPad * pad, GstData * _data)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstRTJpegDec *rtjpegdec;
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guchar *data;
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gulong size;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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rtjpegdec = GST_RTJPEGDEC (GST_OBJECT_PARENT (pad));
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data = GST_BUFFER_DATA (buf);
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size = GST_BUFFER_SIZE (buf);
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g_warning ("would be encoding frame here\n");
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gst_pad_push (rtjpegdec->srcpad, GST_DATA (buf));
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}
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