103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/*
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* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
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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 Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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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 <gst/gst.h>
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#include "gstomxmpeg4videodec.h"
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GST_DEBUG_CATEGORY_STATIC (gst_omx_mpeg4_video_dec_debug_category);
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#define GST_CAT_DEFAULT gst_omx_mpeg4_video_dec_debug_category
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/* prototypes */
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static gboolean gst_omx_mpeg4_video_dec_is_format_change (GstOMXVideoDec * dec,
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GstOMXPort * port, GstVideoCodecState * state);
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static gboolean gst_omx_mpeg4_video_dec_set_format (GstOMXVideoDec * dec,
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GstOMXPort * port, GstVideoCodecState * state);
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enum
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{
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PROP_0
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};
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/* class initialization */
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_INIT (gst_omx_mpeg4_video_dec_debug_category, "omxmpeg4videodec", 0, \
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"debug category for gst-omx video decoder base class");
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G_DEFINE_TYPE_WITH_CODE (GstOMXMPEG4VideoDec, gst_omx_mpeg4_video_dec,
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GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
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static void
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gst_omx_mpeg4_video_dec_class_init (GstOMXMPEG4VideoDecClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstOMXVideoDecClass *videodec_class = GST_OMX_VIDEO_DEC_CLASS (klass);
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videodec_class->is_format_change =
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GST_DEBUG_FUNCPTR (gst_omx_mpeg4_video_dec_is_format_change);
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videodec_class->set_format =
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GST_DEBUG_FUNCPTR (gst_omx_mpeg4_video_dec_set_format);
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videodec_class->cdata.default_sink_template_caps = "video/mpeg, "
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"mpegversion=(int) 4, "
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"systemstream=(boolean) false, "
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"parsed=(boolean) true, " "width=(int) [1,MAX], " "height=(int) [1,MAX]";
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gst_element_class_set_static_metadata (element_class,
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"OpenMAX MPEG4 Video Decoder",
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"Codec/Decoder/Video/Hardware",
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"Decode MPEG4 video streams",
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"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
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gst_omx_set_default_role (&videodec_class->cdata, "video_decoder.mpeg4");
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}
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static void
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gst_omx_mpeg4_video_dec_init (GstOMXMPEG4VideoDec * self)
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{
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}
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static gboolean
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gst_omx_mpeg4_video_dec_is_format_change (GstOMXVideoDec * dec,
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GstOMXPort * port, GstVideoCodecState * state)
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{
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return FALSE;
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}
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static gboolean
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gst_omx_mpeg4_video_dec_set_format (GstOMXVideoDec * dec, GstOMXPort * port,
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GstVideoCodecState * state)
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{
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gboolean ret;
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OMX_PARAM_PORTDEFINITIONTYPE port_def;
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gst_omx_port_get_port_definition (port, &port_def);
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port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingMPEG4;
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ret = gst_omx_port_update_port_definition (port, &port_def) == OMX_ErrorNone;
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return ret;
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}
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