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/*
* gstvaapidecode_props.c - VA-API decoders specific properties
*
* Copyright (C) 2017 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
* Author: Victor Jaquez <vjaquez@igalia.com>
*
* This program 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; either version 2.1
* of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "gstvaapidecode_props.h"
#include "gstvaapidecode.h"
#include <gst/vaapi/gstvaapidecoder_h264.h>
enum
{
GST_VAAPI_DECODER_H264_PROP_FORCE_LOW_LATENCY = 1,
GST_VAAPI_DECODER_H264_PROP_BASE_ONLY
};
static gint h264_private_offset;
static void
gst_vaapi_decode_h264_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstVaapiDecodeH264Private *priv;
priv = gst_vaapi_decode_h264_get_instance_private (object);
switch (prop_id) {
case GST_VAAPI_DECODER_H264_PROP_FORCE_LOW_LATENCY:
g_value_set_boolean (value, priv->is_low_latency);
break;
case GST_VAAPI_DECODER_H264_PROP_BASE_ONLY:
g_value_set_boolean (value, priv->base_only);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_decode_h264_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVaapiDecodeH264Private *priv;
GstVaapiDecoderH264 *decoder;
priv = gst_vaapi_decode_h264_get_instance_private (object);
switch (prop_id) {
case GST_VAAPI_DECODER_H264_PROP_FORCE_LOW_LATENCY:
priv->is_low_latency = g_value_get_boolean (value);
decoder = GST_VAAPI_DECODER_H264 (GST_VAAPIDECODE (object)->decoder);
if (decoder)
gst_vaapi_decoder_h264_set_low_latency (decoder, priv->is_low_latency);
break;
case GST_VAAPI_DECODER_H264_PROP_BASE_ONLY:
priv->base_only = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
void
gst_vaapi_decode_h264_install_properties (GObjectClass * klass)
{
h264_private_offset = sizeof (GstVaapiDecodeH264Private);
g_type_class_adjust_private_offset (klass, &h264_private_offset);
klass->get_property = gst_vaapi_decode_h264_get_property;
klass->set_property = gst_vaapi_decode_h264_set_property;
g_object_class_install_property (klass,
GST_VAAPI_DECODER_H264_PROP_FORCE_LOW_LATENCY,
g_param_spec_boolean ("low-latency", "Force low latency mode",
"When enabled, frames will be pushed as soon as they are available. "
"It might violate the H.264 spec.", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT));
g_object_class_install_property (klass, GST_VAAPI_DECODER_H264_PROP_BASE_ONLY,
g_param_spec_boolean ("base-only", "Decode base view only",
"Drop any NAL unit not defined in Annex.A", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
GstVaapiDecodeH264Private *
gst_vaapi_decode_h264_get_instance_private (gpointer self)
{
if (h264_private_offset == 0)
return NULL;
return (G_STRUCT_MEMBER_P (self, h264_private_offset));
}
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