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/*
* 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 "gstomxmpeg4videodec.h"
GST_DEBUG_CATEGORY_STATIC (gst_omx_mpeg4_video_dec_debug_category);
#define GST_CAT_DEFAULT gst_omx_mpeg4_video_dec_debug_category
/* prototypes */
static gboolean gst_omx_mpeg4_video_dec_is_format_change (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoCodecState * state);
static gboolean gst_omx_mpeg4_video_dec_set_format (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoCodecState * state);
enum
{
PROP_0
};
/* class initialization */
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT (gst_omx_mpeg4_video_dec_debug_category, "omxmpeg4videodec", 0, \
"debug category for gst-omx video decoder base class");
G_DEFINE_TYPE_WITH_CODE (GstOMXMPEG4VideoDec, gst_omx_mpeg4_video_dec,
GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
static void
gst_omx_mpeg4_video_dec_class_init (GstOMXMPEG4VideoDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstOMXVideoDecClass *videodec_class = GST_OMX_VIDEO_DEC_CLASS (klass);
videodec_class->is_format_change =
GST_DEBUG_FUNCPTR (gst_omx_mpeg4_video_dec_is_format_change);
videodec_class->set_format =
GST_DEBUG_FUNCPTR (gst_omx_mpeg4_video_dec_set_format);
videodec_class->cdata.default_sink_template_caps = "video/mpeg, "
"mpegversion=(int) 4, "
"systemstream=(boolean) false, "
"parsed=(boolean) true, " "width=(int) [1,MAX], " "height=(int) [1,MAX]";
gst_element_class_set_static_metadata (element_class,
"OpenMAX MPEG4 Video Decoder",
"Codec/Decoder/Video",
"Decode MPEG4 video streams",
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
gst_omx_set_default_role (&videodec_class->cdata, "video_decoder.mpeg4");
}
static void
gst_omx_mpeg4_video_dec_init (GstOMXMPEG4VideoDec * self)
{
}
static gboolean
gst_omx_mpeg4_video_dec_is_format_change (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoCodecState * state)
{
return FALSE;
}
static gboolean
gst_omx_mpeg4_video_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_CodingMPEG4;
ret = gst_omx_port_update_port_definition (port, &port_def) == OMX_ErrorNone;
return ret;
}
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