mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 13:18:52 +00:00
140 lines
2.8 KiB
C
140 lines
2.8 KiB
C
/* GStreamer
|
|
* Copyright (C) 2020 He Junyan <junyan.he@intel.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 "gstav1picture.h"
|
|
#include "gstcodecpicture-private.h"
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (gst_av1_decoder_debug);
|
|
#define GST_CAT_DEFAULT gst_av1_decoder_debug
|
|
|
|
GST_DEFINE_MINI_OBJECT_TYPE (GstAV1Picture, gst_av1_picture);
|
|
|
|
/**
|
|
* gst_av1_picture_new:
|
|
*
|
|
* Create new #GstAV1Picture
|
|
*
|
|
* Returns: a new #GstAV1Picture
|
|
*
|
|
* Since: 1.20
|
|
*/
|
|
GstAV1Picture *
|
|
gst_av1_picture_new (void)
|
|
{
|
|
GstAV1Picture *pic;
|
|
|
|
pic = g_new0 (GstAV1Picture, 1);
|
|
|
|
gst_mini_object_init (GST_MINI_OBJECT_CAST (pic), 0,
|
|
GST_TYPE_AV1_PICTURE, NULL, NULL,
|
|
(GstMiniObjectFreeFunction) gst_codec_picture_free);
|
|
|
|
GST_TRACE ("New picture %p", pic);
|
|
|
|
return pic;
|
|
}
|
|
|
|
/**
|
|
* gst_av1_dpb_new: (skip)
|
|
*
|
|
* Create new #GstAV1Dpb
|
|
*
|
|
* Returns: a new #GstAV1Dpb
|
|
*
|
|
* Since: 1.20
|
|
*/
|
|
GstAV1Dpb *
|
|
gst_av1_dpb_new (void)
|
|
{
|
|
GstAV1Dpb *dpb;
|
|
|
|
dpb = g_new0 (GstAV1Dpb, 1);
|
|
|
|
return dpb;
|
|
}
|
|
|
|
/**
|
|
* gst_av1_dpb_free:
|
|
* @dpb: a #GstAV1Dpb to free
|
|
*
|
|
* Free the @dpb
|
|
*
|
|
* Since: 1.20
|
|
*/
|
|
void
|
|
gst_av1_dpb_free (GstAV1Dpb * dpb)
|
|
{
|
|
g_return_if_fail (dpb != NULL);
|
|
|
|
gst_av1_dpb_clear (dpb);
|
|
g_free (dpb);
|
|
}
|
|
|
|
/**
|
|
* gst_av1_dpb_clear:
|
|
* @dpb: a #GstAV1Dpb
|
|
*
|
|
* Clear all stored #GstAV1Picture
|
|
*
|
|
* Since: 1.20
|
|
*/
|
|
void
|
|
gst_av1_dpb_clear (GstAV1Dpb * dpb)
|
|
{
|
|
gint i;
|
|
|
|
g_return_if_fail (dpb != NULL);
|
|
|
|
for (i = 0; i < GST_AV1_NUM_REF_FRAMES; i++)
|
|
gst_clear_av1_picture (&dpb->pic_list[i]);
|
|
}
|
|
|
|
/**
|
|
* gst_av1_dpb_add:
|
|
* @dpb: a #GstAV1Dpb
|
|
* @picture: (transfer full): a #GstAV1Picture
|
|
*
|
|
* Store the @picture
|
|
*
|
|
* Since: 1.20
|
|
*/
|
|
void
|
|
gst_av1_dpb_add (GstAV1Dpb * dpb, GstAV1Picture * picture)
|
|
{
|
|
GstAV1FrameHeaderOBU *fh;
|
|
guint i;
|
|
|
|
g_return_if_fail (dpb != NULL);
|
|
g_return_if_fail (GST_IS_AV1_PICTURE (picture));
|
|
|
|
fh = &picture->frame_hdr;
|
|
|
|
for (i = 0; i < GST_AV1_NUM_REF_FRAMES; i++) {
|
|
if ((fh->refresh_frame_flags >> i) & 1) {
|
|
GST_TRACE ("reference frame %p to ref slot:%d", picture, i);
|
|
gst_av1_picture_replace (&dpb->pic_list[i], picture);
|
|
}
|
|
}
|
|
|
|
gst_av1_picture_unref (picture);
|
|
}
|