/* * GStreamer * Copyright (C) 2009 Carl-Anton Ingmarsson * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Alternatively, the contents of this file may be used under the * GNU Lesser General Public License Version 2.1 (the "LGPL"), in * which case the following provisions apply instead of the ones * mentioned above: * * 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. */ /** * SECTION:element-vdpaumpegdecoder * * FIXME:Describe vdpaumpegdecoder here. * * * Example launch line * |[ * gst-launch -v -m fakesrc ! vdpaumpegdecoder ! fakesink silent=TRUE * ]| * */ #ifdef HAVE_CONFIG_H # include #endif #include #include "mpegutil.h" #include "gstvdpaumpegdecoder.h" GST_DEBUG_CATEGORY_STATIC (gst_vdpau_mpeg_decoder_debug); #define GST_CAT_DEFAULT gst_vdpau_mpeg_decoder_debug /* Filter signals and args */ enum { /* FILL ME */ LAST_SIGNAL }; enum { PROP_0, PROP_SILENT }; /* the capabilities of the inputs and outputs. * * describe the real formats here. */ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("video/mpeg, mpegversion = (int) [ 1, 2 ], " "systemstream = (boolean) false, parsed = (boolean) true") ); GST_BOILERPLATE (GstVdpauMpegDecoder, gst_vdpau_mpeg_decoder, GstVdpauDecoder, GST_TYPE_VDPAU_DECODER); static void gst_vdpau_mpeg_decoder_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_vdpau_mpeg_decoder_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static gboolean gst_vdpau_mpeg_decoder_set_caps (GstVdpauDecoder * dec, GstCaps * caps) { GstVdpauMpegDecoder *mpeg_dec; GstStructure *structure; gint version; mpeg_dec = GST_VDPAU_MPEG_DECODER (dec); structure = gst_caps_get_structure (caps, 0); gst_structure_get_int (structure, "mpegversion", &version); if (version == 1) mpeg_dec->profile = VDP_DECODER_PROFILE_MPEG1; else { const GValue *value; GstBuffer *codec_data; MPEGSeqHdr hdr = { 0, }; value = gst_structure_get_value (structure, "codec_data"); codec_data = gst_value_get_buffer (value); mpeg_util_parse_sequence_hdr (&hdr, GST_BUFFER_DATA (codec_data), GST_BUFFER_DATA (codec_data) + GST_BUFFER_SIZE (codec_data)); switch (hdr.profile) { case 5: mpeg_dec->profile = VDP_DECODER_PROFILE_MPEG2_SIMPLE; break; default: mpeg_dec->profile = VDP_DECODER_PROFILE_MPEG2_MAIN; break; } } return TRUE; } /* GObject vmethod implementations */ static void gst_vdpau_mpeg_decoder_base_init (gpointer gclass) { GstElementClass *element_class = GST_ELEMENT_CLASS (gclass); gst_element_class_set_details_simple (element_class, "VdpauMpegDecoder", "Decoder", "decode mpeg stream with vdpau", "Carl-Anton Ingmarsson "); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&sink_factory)); } /* initialize the vdpaumpegdecoder's class */ static void gst_vdpau_mpeg_decoder_class_init (GstVdpauMpegDecoderClass * klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; GstVdpauDecoderClass *vdpaudec_class; gobject_class = (GObjectClass *) klass; gstelement_class = (GstElementClass *) klass; vdpaudec_class = (GstVdpauDecoderClass *) klass; gobject_class->set_property = gst_vdpau_mpeg_decoder_set_property; gobject_class->get_property = gst_vdpau_mpeg_decoder_get_property; g_object_class_install_property (gobject_class, PROP_SILENT, g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?", FALSE, G_PARAM_READWRITE)); vdpaudec_class->set_caps = gst_vdpau_mpeg_decoder_set_caps; } static void gst_vdpau_mpeg_decoder_init (GstVdpauMpegDecoder * filter, GstVdpauMpegDecoderClass * gclass) { filter->silent = FALSE; } static void gst_vdpau_mpeg_decoder_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstVdpauMpegDecoder *filter = GST_VDPAU_MPEG_DECODER (object); switch (prop_id) { case PROP_SILENT: filter->silent = g_value_get_boolean (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_vdpau_mpeg_decoder_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstVdpauMpegDecoder *filter = GST_VDPAU_MPEG_DECODER (object); switch (prop_id) { case PROP_SILENT: g_value_set_boolean (value, filter->silent); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } /* entry point to initialize the plug-in * initialize the plug-in itself * register the element factories and other features */ static gboolean vdpaumpegdecoder_init (GstPlugin * vdpaumpegdecoder) { /* debug category for fltering log messages * * exchange the string 'Template vdpaumpegdecoder' with your description */ GST_DEBUG_CATEGORY_INIT (gst_vdpau_mpeg_decoder_debug, "vdpaumpegdecoder", 0, "Template vdpaumpegdecoder"); return gst_element_register (vdpaumpegdecoder, "vdpaumpegdecoder", GST_RANK_NONE, GST_TYPE_VDPAU_MPEG_DECODER); } /* gstreamer looks for this structure to register vdpaumpegdecoders * * exchange the string 'Template vdpaumpegdecoder' with your vdpaumpegdecoder description */ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "vdpaumpegdecoder", "Template vdpaumpegdecoder", vdpaumpegdecoder_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/")