gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/codecs/gstcodecpicture.c

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/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "gstcodecpicture.h"
#include "gstcodecpicture-private.h"
void
gst_codec_picture_free (GstCodecPicture * picture)
{
if (picture->notify)
picture->notify (picture->user_data);
if (picture->discont_state)
gst_video_codec_state_unref (picture->discont_state);
g_free (picture);
}
/**
* gst_codec_picture_set_user_data:
* @picture: a #GstCodecPicture
* @user_data: (nullable): private data
* @notify: (closure user_data): a #GDestroyNotify
*
* Sets @user_data on the picture and the #GDestroyNotify that will be called when
* the picture is freed.
*
* If a @user_data was previously set, then the previous set @notify will be called
* before the @user_data is replaced.
*
* Since: 1.24
*/
void
gst_codec_picture_set_user_data (GstCodecPicture * picture, gpointer user_data,
GDestroyNotify notify)
{
g_return_if_fail (picture);
if (picture->notify)
picture->notify (picture->user_data);
picture->notify = notify;
picture->user_data = user_data;
}
/**
* gst_codec_picture_get_user_data:
* @picture: a #GstCodecPicture
*
* Gets private data set on the picture via
* gst_codec_picture_set_user_data() previously.
*
* Returns: (transfer none) (nullable): The previously set user_data
*
* Since: 1.24
*/
gpointer
gst_codec_picture_get_user_data (GstCodecPicture * picture)
{
g_return_val_if_fail (picture, NULL);
return picture->user_data;
}
/**
* gst_codec_picture_set_discont_state:
* @picture: a #GstCodecPicture
* @discont_state: (transfer none) (allow-none): a #GstVideoCodecState
*
* Sets @discont_state to @picture
*
* Since: 1.24
*/
void
gst_codec_picture_set_discont_state (GstCodecPicture * picture,
GstVideoCodecState * discont_state)
{
g_return_if_fail (picture);
g_clear_pointer (&picture->discont_state, gst_video_codec_state_unref);
if (discont_state)
picture->discont_state = gst_video_codec_state_ref (discont_state);
}