/* * Copyright (C) 2011, Hewlett-Packard Development Company, L.P. * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation * version 2.1 of the License. * * 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <gst/gst.h> #include "gstomxmpeg2dec.h" GST_DEBUG_CATEGORY_STATIC (gst_omx_mpeg2_dec_debug_category); #define GST_CAT_DEFAULT gst_omx_mpeg2_dec_debug_category /* prototypes */ static gboolean gst_omx_mpeg2_dec_is_format_change (GstOMXVideoDec * dec, GstOMXPort * port, GstVideoCodecState * state); static gboolean gst_omx_mpeg2_dec_set_format (GstOMXVideoDec * dec, GstOMXPort * port, GstVideoCodecState * state); enum { PROP_0 }; /* class initialization */ #define DEBUG_INIT \ GST_DEBUG_CATEGORY_INIT (gst_omx_mpeg2_dec_debug_category, "omxmpeg2dec", 0, \ "debug category for gst-omx video decoder base class"); G_DEFINE_TYPE_WITH_CODE (GstOMXMPEG2Dec, gst_omx_mpeg2_dec, GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT); static void gst_omx_mpeg2_dec_class_init (GstOMXMPEG2DecClass * klass) { GstOMXVideoDecClass *videodec_class = GST_OMX_VIDEO_DEC_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); videodec_class->is_format_change = GST_DEBUG_FUNCPTR (gst_omx_mpeg2_dec_is_format_change); videodec_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_mpeg2_dec_set_format); videodec_class->cdata.default_sink_template_caps = "video/mpeg, " "mpegversion=(int) 2, " "systemstream=(boolean) false, " "parsed=(boolean) true"; gst_element_class_set_static_metadata (element_class, "OpenMAX MPEG2 Video Decoder", "Codec/Decoder/Video", "Decode MPEG2 video streams", "Sebastian Dröge <sebastian.droege@collabora.co.uk>"); gst_omx_set_default_role (&videodec_class->cdata, "video_decoder.mpeg2"); } static void gst_omx_mpeg2_dec_init (GstOMXMPEG2Dec * self) { } static gboolean gst_omx_mpeg2_dec_is_format_change (GstOMXVideoDec * dec, GstOMXPort * port, GstVideoCodecState * state) { return FALSE; } static gboolean gst_omx_mpeg2_dec_set_format (GstOMXVideoDec * dec, GstOMXPort * port, GstVideoCodecState * state) { gboolean ret; OMX_PARAM_PORTDEFINITIONTYPE port_def; gst_omx_port_get_port_definition (port, &port_def); port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingMPEG2; ret = gst_omx_port_update_port_definition (port, &port_def) == OMX_ErrorNone; return ret; }