/* GStreamer * Copyright (C) <2021> Collabora Ltd. * Author: Nicolas Dufresne * * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * SECTION:element-vp9alphadecodebin * @title: Wrapper to decode VP9 alpha using vp9dec * * Use two `vp9dec` instance in order to decode VP9 alpha channel. * * Since: 1.20 */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstvp9alphadecodebin.h" static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("video/x-vp9, codec-alpha = (boolean) true, " "alignment = super-frame") ); struct _GstVp9AlphaDecodeBin { GstAlphaDecodeBin parent; }; #define gst_vp9_alpha_decode_bin_parent_class parent_class G_DEFINE_TYPE (GstVp9AlphaDecodeBin, gst_vp9_alpha_decode_bin, GST_TYPE_ALPHA_DECODE_BIN); GST_ELEMENT_REGISTER_DEFINE (vp9_alpha_decode_bin, "vp9alphadecodebin", GST_RANK_PRIMARY + GST_ALPHA_DECODE_BIN_RANK_OFFSET, GST_TYPE_VP9_ALPHA_DECODE_BIN); static void gst_vp9_alpha_decode_bin_class_init (GstVp9AlphaDecodeBinClass * klass) { GstAlphaDecodeBinClass *adbin_class = (GstAlphaDecodeBinClass *) klass; GstElementClass *element_class = (GstElementClass *) klass; adbin_class->decoder_name = "vp9dec"; gst_element_class_add_static_pad_template (element_class, &sink_template); gst_element_class_set_static_metadata (element_class, "VP9 Alpha Decoder", "Codec/Decoder/Video", "Wrapper bin to decode VP9 with alpha stream.", "Nicolas Dufresne "); } static void gst_vp9_alpha_decode_bin_init (GstVp9AlphaDecodeBin * self) { }