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/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
* Copyright (c) 2013 - 2014, NVIDIA CORPORATION. All rights reserved.
*
* 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 "gstomxh263dec.h"
GST_DEBUG_CATEGORY_STATIC (gst_omx_h263_dec_debug_category);
#define GST_CAT_DEFAULT gst_omx_h263_dec_debug_category
/* prototypes */
static gboolean gst_omx_h263_dec_is_format_change (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoCodecState * state);
static gboolean gst_omx_h263_dec_set_format (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoCodecState * state);
enum
{
PROP_0
};
/* class initialization */
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT (gst_omx_h263_dec_debug_category, "omxh263dec", 0, \
"debug category for gst-omx video decoder base class");
G_DEFINE_TYPE_WITH_CODE (GstOMXH263Dec, gst_omx_h263_dec,
GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
static void
gst_omx_h263_dec_class_init (GstOMXH263DecClass * 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_h263_dec_is_format_change);
videodec_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_h263_dec_set_format);
videodec_class->cdata.default_sink_template_caps = "video/x-h263, "
"variant=(string) itu, " "width=(int) [1,MAX], " "height=(int) [1,MAX]";
gst_element_class_set_static_metadata (element_class,
"OpenMAX H.263 Video Decoder",
"Codec/Decoder/Video",
"Decode H.263 video streams",
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
gst_omx_set_default_role (&videodec_class->cdata, "video_decoder.h263");
}
static void
gst_omx_h263_dec_init (GstOMXH263Dec * self)
{
GstOMXVideoDec *dec = GST_OMX_VIDEO_DEC (self);
#ifdef USE_OMX_TARGET_TEGRA
/* "use-omxdec-res" property of decoders is FALSE by default, i.e., resolution obtained
* from upstream component is used. In case of H263, h263parse sets incorrect resolution on src
* caps. Hence, use-omxdec-res property is set to TRUE to use resolution from decoder and not
* resolution obtained from upstream element.
* This is a work-around and the actual fix should go in open-source h263parse.
*/
dec->use_omxdec_res = TRUE;
#endif
}
static gboolean
gst_omx_h263_dec_is_format_change (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoCodecState * state)
{
return FALSE;
}
static gboolean
gst_omx_h263_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_CodingH263;
ret = gst_omx_port_update_port_definition (port, &port_def) == OMX_ErrorNone;
return ret;
}
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