138 lines
3.0 KiB
C
138 lines
3.0 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "gstvp9picture.h"
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#include "gstcodecpicture-private.h"
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GST_DEBUG_CATEGORY_EXTERN (gst_vp9_decoder_debug);
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#define GST_CAT_DEFAULT gst_vp9_decoder_debug
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GST_DEFINE_MINI_OBJECT_TYPE (GstVp9Picture, gst_vp9_picture);
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/**
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* gst_vp9_picture_new:
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*
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* Create new #GstVp9Picture
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*
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* Returns: a new #GstVp9Picture
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*/
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GstVp9Picture *
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gst_vp9_picture_new (void)
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{
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GstVp9Picture *pic;
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pic = g_new0 (GstVp9Picture, 1);
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gst_mini_object_init (GST_MINI_OBJECT_CAST (pic), 0,
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GST_TYPE_VP9_PICTURE, NULL, NULL,
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(GstMiniObjectFreeFunction) gst_codec_picture_free);
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GST_TRACE ("New picture %p", pic);
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return pic;
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}
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/**
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* gst_vp9_dpb_new: (skip)
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*
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* Create new #GstVp9Dpb
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*
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* Returns: a new #GstVp9Dpb
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*/
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GstVp9Dpb *
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gst_vp9_dpb_new (void)
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{
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GstVp9Dpb *dpb;
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dpb = g_new0 (GstVp9Dpb, 1);
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return dpb;
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}
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/**
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* gst_vp9_dpb_free:
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* @dpb: a #GstVp9Dpb to free
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*
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* Free the @dpb
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*/
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void
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gst_vp9_dpb_free (GstVp9Dpb * dpb)
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{
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g_return_if_fail (dpb != NULL);
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gst_vp9_dpb_clear (dpb);
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g_free (dpb);
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}
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/**
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* gst_vp9_dpb_clear:
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* @dpb: a #GstVp9Dpb
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*
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* Clear all stored #GstVp9Picture
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*/
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void
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gst_vp9_dpb_clear (GstVp9Dpb * dpb)
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{
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gint i;
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g_return_if_fail (dpb != NULL);
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for (i = 0; i < GST_VP9_REF_FRAMES; i++)
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gst_clear_vp9_picture (&dpb->pic_list[i]);
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}
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/**
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* gst_vp9_dpb_add:
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* @dpb: a #GstVp9Dpb
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* @picture: (transfer full): a #GstVp9Picture
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*
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* Store the @picture
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*/
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void
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gst_vp9_dpb_add (GstVp9Dpb * dpb, GstVp9Picture * picture)
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{
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guint8 refresh_frame_flags;
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gint i;
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g_return_if_fail (dpb != NULL);
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g_return_if_fail (GST_IS_VP9_PICTURE (picture));
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if (picture->frame_hdr.frame_type == GST_VP9_KEY_FRAME) {
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refresh_frame_flags = (1 << GST_VP9_REF_FRAMES) - 1;
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GST_TRACE ("keyframe, fill to all pictures");
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} else {
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refresh_frame_flags = picture->frame_hdr.refresh_frame_flags;
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GST_TRACE ("non-keyframe, refresh frame flags 0x%x", refresh_frame_flags);
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}
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for (i = 0; i < GST_VP9_REF_FRAMES; i++) {
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if (refresh_frame_flags & 0x1) {
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gst_vp9_picture_replace (&dpb->pic_list[i], picture);
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}
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refresh_frame_flags >>= 1;
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}
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gst_vp9_picture_unref (picture);
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}
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