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/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.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 "gstvp9picture.h"
GST_DEBUG_CATEGORY_EXTERN (gst_vp9_decoder_debug);
#define GST_CAT_DEFAULT gst_vp9_decoder_debug
GST_DEFINE_MINI_OBJECT_TYPE (GstVp9Picture, gst_vp9_picture);
static void
_gst_vp9_picture_free (GstVp9Picture * picture)
{
GST_TRACE ("Free picture %p", picture);
if (picture->notify)
picture->notify (picture->user_data);
g_free (picture);
}
/**
* gst_vp9_picture_new:
*
* Create new #GstVp9Picture
*
* Returns: a new #GstVp9Picture
*/
GstVp9Picture *
gst_vp9_picture_new (void)
{
GstVp9Picture *pic;
pic = g_new0 (GstVp9Picture, 1);
gst_mini_object_init (GST_MINI_OBJECT_CAST (pic), 0,
GST_TYPE_VP9_PICTURE, NULL, NULL,
(GstMiniObjectFreeFunction) _gst_vp9_picture_free);
GST_TRACE ("New picture %p", pic);
return pic;
}
/**
* gst_vp9_picture_set_user_data:
* @picture: a #GstVp9Picture
* @user_data: 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.
*/
void
gst_vp9_picture_set_user_data (GstVp9Picture * picture, gpointer user_data,
GDestroyNotify notify)
{
g_return_if_fail (GST_IS_VP9_PICTURE (picture));
if (picture->notify)
picture->notify (picture->user_data);
picture->user_data = user_data;
picture->notify = notify;
}
/**
* gst_vp9_picture_get_user_data:
* @picture: a #GstVp9Picture
*
* Gets private data set on the picture via
* gst_vp9_picture_set_user_data() previously.
*
* Returns: (transfer none): The previously set user_data
*/
gpointer
gst_vp9_picture_get_user_data (GstVp9Picture * picture)
{
return picture->user_data;
}
/**
* gst_vp9_dpb_new: (skip)
*
* Create new #GstVp9Dpb
*
* Returns: a new #GstVp9Dpb
*/
GstVp9Dpb *
gst_vp9_dpb_new (void)
{
GstVp9Dpb *dpb;
dpb = g_new0 (GstVp9Dpb, 1);
return dpb;
}
/**
* gst_vp9_dpb_free:
* @dpb: a #GstVp9Dpb to free
*
* Free the @dpb
*/
void
gst_vp9_dpb_free (GstVp9Dpb * dpb)
{
g_return_if_fail (dpb != NULL);
gst_vp9_dpb_clear (dpb);
g_free (dpb);
}
/**
* gst_vp9_dpb_clear:
* @dpb: a #GstVp9Dpb
*
* Clear all stored #GstVp9Picture
*/
void
gst_vp9_dpb_clear (GstVp9Dpb * dpb)
{
gint i;
g_return_if_fail (dpb != NULL);
for (i = 0; i < GST_VP9_REF_FRAMES; i++)
gst_vp9_picture_clear (&dpb->pic_list[i]);
}
/**
* gst_vp9_dpb_add:
* @dpb: a #GstVp9Dpb
* @picture: (transfer full): a #GstVp9Picture
*
* Store the @picture
*/
void
gst_vp9_dpb_add (GstVp9Dpb * dpb, GstVp9Picture * picture)
{
guint8 refresh_frame_flags;
gint i;
g_return_if_fail (dpb != NULL);
g_return_if_fail (GST_IS_VP9_PICTURE (picture));
if (picture->frame_hdr.frame_type == GST_VP9_KEY_FRAME) {
refresh_frame_flags = (1 << GST_VP9_REF_FRAMES) - 1;
GST_TRACE ("keyframe, fill to all pictures");
} else {
refresh_frame_flags = picture->frame_hdr.refresh_frame_flags;
GST_TRACE ("non-keyframe, refresh frame flags 0x%x", refresh_frame_flags);
}
for (i = 0; i < GST_VP9_REF_FRAMES; i++) {
if (refresh_frame_flags & 0x1) {
gst_vp9_picture_replace (&dpb->pic_list[i], picture);
}
refresh_frame_flags >>= 1;
}
gst_vp9_picture_unref (picture);
}
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