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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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657 lines
20 KiB
C
657 lines
20 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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/*
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* Copyright 2015 The Chromium Authors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* SECTION:gstvp9decoder
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* @title: Gstvp9Decoder
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* @short_description: Base class to implement stateless VP9 decoders
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* @sources:
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* - gstvp9picture.h
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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 <gst/base/base.h>
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#include "gstvp9decoder.h"
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GST_DEBUG_CATEGORY (gst_vp9_decoder_debug);
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#define GST_CAT_DEFAULT gst_vp9_decoder_debug
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struct _GstVp9DecoderPrivate
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{
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gint frame_width;
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gint frame_height;
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gint render_width;
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gint render_height;
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GstVP9Profile profile;
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gboolean had_sequence;
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GstVp9StatefulParser *parser;
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GstVp9Dpb *dpb;
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gboolean support_non_kf_change;
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gboolean wait_keyframe;
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/* controls how many frames to delay when calling output_picture() */
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guint preferred_output_delay;
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GstQueueArray *output_queue;
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gboolean is_live;
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gboolean input_state_changed;
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};
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typedef struct
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{
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GstVideoCodecFrame *frame;
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GstVp9Picture *picture;
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GstVp9Decoder *self;
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} GstVp9DecoderOutputFrame;
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#define parent_class gst_vp9_decoder_parent_class
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstVp9Decoder, gst_vp9_decoder,
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GST_TYPE_VIDEO_DECODER,
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G_ADD_PRIVATE (GstVp9Decoder);
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GST_DEBUG_CATEGORY_INIT (gst_vp9_decoder_debug, "vp9decoder", 0,
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"VP9 Video Decoder"));
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static gboolean gst_vp9_decoder_start (GstVideoDecoder * decoder);
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static gboolean gst_vp9_decoder_stop (GstVideoDecoder * decoder);
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static gboolean gst_vp9_decoder_set_format (GstVideoDecoder * decoder,
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GstVideoCodecState * state);
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static gboolean gst_vp9_decoder_negotiate (GstVideoDecoder * decoder);
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static GstFlowReturn gst_vp9_decoder_finish (GstVideoDecoder * decoder);
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static gboolean gst_vp9_decoder_flush (GstVideoDecoder * decoder);
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static GstFlowReturn gst_vp9_decoder_drain (GstVideoDecoder * decoder);
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static GstFlowReturn gst_vp9_decoder_handle_frame (GstVideoDecoder * decoder,
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GstVideoCodecFrame * frame);
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static void
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gst_vp9_decoder_clear_output_frame (GstVp9DecoderOutputFrame * output_frame);
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static void gst_vp9_decoder_drain_output_queue (GstVp9Decoder * self,
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guint num, GstFlowReturn * ret);
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static GstFlowReturn gst_vp9_decoder_drain_internal (GstVp9Decoder * self,
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gboolean wait_keyframe);
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static void
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gst_vp9_decoder_class_init (GstVp9DecoderClass * klass)
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{
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GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
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decoder_class->start = GST_DEBUG_FUNCPTR (gst_vp9_decoder_start);
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decoder_class->stop = GST_DEBUG_FUNCPTR (gst_vp9_decoder_stop);
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decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_vp9_decoder_set_format);
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decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_vp9_decoder_negotiate);
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decoder_class->finish = GST_DEBUG_FUNCPTR (gst_vp9_decoder_finish);
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decoder_class->flush = GST_DEBUG_FUNCPTR (gst_vp9_decoder_flush);
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decoder_class->drain = GST_DEBUG_FUNCPTR (gst_vp9_decoder_drain);
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decoder_class->handle_frame =
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GST_DEBUG_FUNCPTR (gst_vp9_decoder_handle_frame);
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}
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static void
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gst_vp9_decoder_init (GstVp9Decoder * self)
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{
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gst_video_decoder_set_packetized (GST_VIDEO_DECODER (self), TRUE);
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gst_video_decoder_set_needs_format (GST_VIDEO_DECODER (self), TRUE);
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self->priv = gst_vp9_decoder_get_instance_private (self);
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/* Assume subclass can support non-keyframe format change by default */
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self->priv->support_non_kf_change = TRUE;
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}
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static gboolean
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gst_vp9_decoder_start (GstVideoDecoder * decoder)
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{
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GstVp9Decoder *self = GST_VP9_DECODER (decoder);
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GstVp9DecoderPrivate *priv = self->priv;
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priv->parser = gst_vp9_stateful_parser_new ();
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priv->dpb = gst_vp9_dpb_new ();
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priv->wait_keyframe = TRUE;
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priv->profile = GST_VP9_PROFILE_UNDEFINED;
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priv->frame_width = 0;
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priv->frame_height = 0;
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priv->render_width = 0;
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priv->render_height = 0;
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priv->output_queue =
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gst_queue_array_new_for_struct (sizeof (GstVp9DecoderOutputFrame), 1);
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gst_queue_array_set_clear_func (priv->output_queue,
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(GDestroyNotify) gst_vp9_decoder_clear_output_frame);
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return TRUE;
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}
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static gboolean
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gst_vp9_decoder_stop (GstVideoDecoder * decoder)
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{
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GstVp9Decoder *self = GST_VP9_DECODER (decoder);
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GstVp9DecoderPrivate *priv = self->priv;
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g_clear_pointer (&self->input_state, gst_video_codec_state_unref);
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g_clear_pointer (&priv->parser, gst_vp9_stateful_parser_free);
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g_clear_pointer (&priv->dpb, gst_vp9_dpb_free);
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gst_queue_array_free (priv->output_queue);
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return TRUE;
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}
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static gboolean
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gst_vp9_decoder_is_format_change (GstVp9Decoder * self,
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const GstVp9FrameHeader * frame_hdr)
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{
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GstVp9DecoderPrivate *priv = self->priv;
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if (priv->frame_width != frame_hdr->width
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|| priv->frame_height != frame_hdr->height) {
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GST_INFO_OBJECT (self, "frame resolution changed %dx%d", frame_hdr->width,
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frame_hdr->height);
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return TRUE;
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}
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if (priv->render_width != frame_hdr->render_width
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|| priv->render_height != frame_hdr->render_height) {
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GST_INFO_OBJECT (self, "render resolution changed %dx%d",
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frame_hdr->render_width, frame_hdr->render_height);
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return TRUE;
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}
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if (priv->profile != frame_hdr->profile) {
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GST_INFO_OBJECT (self, "profile changed %d", frame_hdr->profile);
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return TRUE;
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}
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return FALSE;
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}
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static GstFlowReturn
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gst_vp9_decoder_check_codec_change (GstVp9Decoder * self,
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const GstVp9FrameHeader * frame_hdr)
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{
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GstVp9DecoderPrivate *priv = self->priv;
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GstVp9DecoderClass *klass = GST_VP9_DECODER_GET_CLASS (self);
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GstFlowReturn ret = GST_FLOW_OK;
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g_assert (klass->new_sequence);
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if (priv->had_sequence && !gst_vp9_decoder_is_format_change (self, frame_hdr)) {
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return GST_FLOW_OK;
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}
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priv->frame_width = frame_hdr->width;
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priv->frame_height = frame_hdr->height;
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priv->render_width = frame_hdr->render_width;
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priv->render_height = frame_hdr->render_height;
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priv->profile = frame_hdr->profile;
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/* Drain before new sequence */
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ret = gst_vp9_decoder_drain_internal (self, FALSE);
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if (ret != GST_FLOW_OK) {
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GST_WARNING_OBJECT (self, "Failed to drain pending frames, returned %s",
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gst_flow_get_name (ret));
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return ret;
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}
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priv->had_sequence = TRUE;
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if (klass->get_preferred_output_delay) {
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priv->preferred_output_delay =
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klass->get_preferred_output_delay (self, priv->is_live);
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} else {
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priv->preferred_output_delay = 0;
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}
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ret = klass->new_sequence (self, frame_hdr,
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/* +1 for the current frame */
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GST_VP9_REF_FRAMES + 1 + priv->preferred_output_delay);
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if (ret != GST_FLOW_OK)
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priv->had_sequence = FALSE;
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return ret;
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}
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static gboolean
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gst_vp9_decoder_set_format (GstVideoDecoder * decoder,
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GstVideoCodecState * state)
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{
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GstVp9Decoder *self = GST_VP9_DECODER (decoder);
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GstVp9DecoderPrivate *priv = self->priv;
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GstQuery *query;
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GST_DEBUG_OBJECT (decoder, "Set format");
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priv->input_state_changed = TRUE;
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if (self->input_state)
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gst_video_codec_state_unref (self->input_state);
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self->input_state = gst_video_codec_state_ref (state);
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query = gst_query_new_latency ();
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if (gst_pad_peer_query (GST_VIDEO_DECODER_SINK_PAD (self), query))
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gst_query_parse_latency (query, &priv->is_live, NULL, NULL);
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gst_query_unref (query);
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return TRUE;
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}
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static gboolean
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gst_vp9_decoder_negotiate (GstVideoDecoder * decoder)
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{
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GstVp9Decoder *self = GST_VP9_DECODER (decoder);
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/* output state must be updated by subclass using new input state already */
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self->priv->input_state_changed = FALSE;
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return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
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}
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static void
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gst_vp9_decoder_reset (GstVp9Decoder * self)
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{
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GstVp9DecoderPrivate *priv = self->priv;
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if (priv->dpb)
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gst_vp9_dpb_clear (priv->dpb);
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priv->wait_keyframe = TRUE;
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gst_queue_array_clear (priv->output_queue);
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}
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static GstFlowReturn
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gst_vp9_decoder_drain_internal (GstVp9Decoder * self, gboolean wait_keyframe)
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{
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GstFlowReturn ret = GST_FLOW_OK;
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GstVp9DecoderPrivate *priv = self->priv;
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gst_vp9_decoder_drain_output_queue (self, 0, &ret);
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if (priv->dpb)
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gst_vp9_dpb_clear (priv->dpb);
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priv->wait_keyframe = wait_keyframe;
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return ret;
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}
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static GstFlowReturn
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gst_vp9_decoder_finish (GstVideoDecoder * decoder)
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{
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GST_DEBUG_OBJECT (decoder, "finish");
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return gst_vp9_decoder_drain_internal (GST_VP9_DECODER (decoder), TRUE);
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}
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static gboolean
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gst_vp9_decoder_flush (GstVideoDecoder * decoder)
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{
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GST_DEBUG_OBJECT (decoder, "flush");
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gst_vp9_decoder_reset (GST_VP9_DECODER (decoder));
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return TRUE;
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}
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static GstFlowReturn
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gst_vp9_decoder_drain (GstVideoDecoder * decoder)
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{
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GST_DEBUG_OBJECT (decoder, "drain");
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return gst_vp9_decoder_drain_internal (GST_VP9_DECODER (decoder), TRUE);
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}
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static void
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gst_vp9_decoder_clear_output_frame (GstVp9DecoderOutputFrame * output_frame)
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{
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if (!output_frame)
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return;
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if (output_frame->frame) {
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gst_video_decoder_release_frame (GST_VIDEO_DECODER (output_frame->self),
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output_frame->frame);
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output_frame->frame = NULL;
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}
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gst_clear_vp9_picture (&output_frame->picture);
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}
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static GstFlowReturn
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gst_vp9_decoder_handle_frame (GstVideoDecoder * decoder,
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GstVideoCodecFrame * frame)
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{
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GstVp9Decoder *self = GST_VP9_DECODER (decoder);
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GstVp9DecoderClass *klass = GST_VP9_DECODER_GET_CLASS (self);
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GstVp9DecoderPrivate *priv = self->priv;
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GstBuffer *in_buf = frame->input_buffer;
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GstVp9FrameHeader frame_hdr;
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GstVp9Picture *picture = NULL;
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GstVp9ParserResult pres;
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GstMapInfo map;
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GstFlowReturn ret = GST_FLOW_OK;
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GstFlowReturn output_ret = GST_FLOW_OK;
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gboolean intra_only = FALSE;
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gboolean check_codec_change = FALSE;
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GstVp9DecoderOutputFrame output_frame;
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GST_LOG_OBJECT (self, "handle frame %" GST_PTR_FORMAT, in_buf);
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if (!gst_buffer_map (in_buf, &map, GST_MAP_READ)) {
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GST_ERROR_OBJECT (self, "Cannot map input buffer");
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ret = GST_FLOW_ERROR;
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goto error;
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}
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pres =
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gst_vp9_stateful_parser_parse_uncompressed_frame_header (priv->parser,
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&frame_hdr, map.data, map.size);
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if (pres != GST_VP9_PARSER_OK) {
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GST_ERROR_OBJECT (self, "Failed to parsing frame header");
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ret = GST_FLOW_ERROR;
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goto unmap_and_error;
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}
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if (self->parse_compressed_headers && !frame_hdr.show_existing_frame) {
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pres =
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gst_vp9_stateful_parser_parse_compressed_frame_header (priv->parser,
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&frame_hdr, map.data + frame_hdr.frame_header_length_in_bytes,
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map.size);
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if (pres != GST_VP9_PARSER_OK) {
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GST_ERROR_OBJECT (self, "Failed to parse the compressed frame header");
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goto unmap_and_error;
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}
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}
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if (frame_hdr.show_existing_frame) {
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/* This is a non-intra, dummy frame */
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intra_only = FALSE;
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} else if (frame_hdr.frame_type == GST_VP9_KEY_FRAME || frame_hdr.intra_only) {
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intra_only = TRUE;
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}
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if (intra_only) {
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if (frame_hdr.frame_type == GST_VP9_KEY_FRAME) {
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/* Always check codec change per keyframe */
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check_codec_change = TRUE;
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} else if (priv->wait_keyframe) {
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/* Or, if we are waiting for leading keyframe, but this is intra-only,
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* try decoding this frame, it's allowed as per spec */
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check_codec_change = TRUE;
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}
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}
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if (priv->wait_keyframe && !intra_only) {
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GST_DEBUG_OBJECT (self, "Drop frame before initial keyframe");
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gst_buffer_unmap (in_buf, &map);
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gst_video_decoder_release_frame (decoder, frame);;
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return GST_FLOW_OK;
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}
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if (check_codec_change) {
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ret = gst_vp9_decoder_check_codec_change (self, &frame_hdr);
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if (ret != GST_FLOW_OK) {
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GST_WARNING_OBJECT (self, "Subclass cannot handle codec change");
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goto unmap_and_error;
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}
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} else if (!frame_hdr.show_existing_frame && !priv->support_non_kf_change &&
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gst_vp9_decoder_is_format_change (self, &frame_hdr)) {
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GST_DEBUG_OBJECT (self, "Drop frame on non-keyframe format change");
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gst_buffer_unmap (in_buf, &map);
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gst_video_decoder_release_frame (decoder, frame);
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/* Drains frames if any and waits for keyframe again */
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return gst_vp9_decoder_drain_internal (self, TRUE);
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}
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if (!priv->had_sequence) {
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GST_WARNING_OBJECT (self, "No handled frame header, drop frame");
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goto unmap_and_error;
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}
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priv->wait_keyframe = FALSE;
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if (frame_hdr.show_existing_frame) {
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GstVp9Picture *pic_to_dup;
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if (frame_hdr.frame_to_show_map_idx >= GST_VP9_REF_FRAMES ||
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!priv->dpb->pic_list[frame_hdr.frame_to_show_map_idx]) {
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GST_ERROR_OBJECT (self, "Invalid frame_to_show_map_idx %d",
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frame_hdr.frame_to_show_map_idx);
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goto unmap_and_error;
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}
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/* If not implemented by subclass, we can just drop this picture
|
|
* since this frame header indicates the frame index to be duplicated
|
|
* and also this frame header doesn't affect reference management */
|
|
if (!klass->duplicate_picture) {
|
|
gst_buffer_unmap (in_buf, &map);
|
|
GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY (frame);
|
|
|
|
gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
pic_to_dup = priv->dpb->pic_list[frame_hdr.frame_to_show_map_idx];
|
|
picture = klass->duplicate_picture (self, frame, pic_to_dup);
|
|
|
|
if (!picture) {
|
|
GST_ERROR_OBJECT (self, "subclass didn't provide duplicated picture");
|
|
goto unmap_and_error;
|
|
}
|
|
|
|
GST_CODEC_PICTURE_COPY_FRAME_NUMBER (picture, pic_to_dup);
|
|
} else {
|
|
picture = gst_vp9_picture_new ();
|
|
picture->frame_hdr = frame_hdr;
|
|
GST_CODEC_PICTURE_FRAME_NUMBER (picture) = frame->system_frame_number;
|
|
picture->data = map.data;
|
|
picture->size = map.size;
|
|
|
|
if (klass->new_picture) {
|
|
ret = klass->new_picture (self, frame, picture);
|
|
if (ret != GST_FLOW_OK) {
|
|
GST_WARNING_OBJECT (self, "subclass failed to handle new picture");
|
|
goto unmap_and_error;
|
|
}
|
|
}
|
|
|
|
if (klass->start_picture) {
|
|
ret = klass->start_picture (self, picture);
|
|
if (ret != GST_FLOW_OK) {
|
|
GST_WARNING_OBJECT (self, "subclass failed to handle start picture");
|
|
goto unmap_and_error;
|
|
}
|
|
}
|
|
|
|
if (klass->decode_picture) {
|
|
ret = klass->decode_picture (self, picture, priv->dpb);
|
|
if (ret != GST_FLOW_OK) {
|
|
GST_WARNING_OBJECT (self, "subclass failed to decode current picture");
|
|
goto unmap_and_error;
|
|
}
|
|
}
|
|
|
|
if (klass->end_picture) {
|
|
ret = klass->end_picture (self, picture);
|
|
if (ret != GST_FLOW_OK) {
|
|
GST_WARNING_OBJECT (self, "subclass failed to handle end picture");
|
|
goto unmap_and_error;
|
|
}
|
|
}
|
|
|
|
/* Just pass our picture to dpb object.
|
|
* Even if this picture does not need to be added to dpb
|
|
* (i.e., not a reference frame), gst_vp9_dpb_add() will take care of
|
|
* the case as well */
|
|
gst_vp9_dpb_add (priv->dpb, gst_vp9_picture_ref (picture));
|
|
}
|
|
|
|
gst_buffer_unmap (in_buf, &map);
|
|
|
|
if (!frame_hdr.show_frame && !frame_hdr.show_existing_frame) {
|
|
GST_LOG_OBJECT (self, "Decode only picture %p", picture);
|
|
GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY (frame);
|
|
|
|
gst_vp9_picture_unref (picture);
|
|
|
|
ret = gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
|
|
} else {
|
|
/* If subclass didn't update output state at this point,
|
|
* marking this picture as a discont and stores current input state */
|
|
if (priv->input_state_changed) {
|
|
gst_vp9_picture_set_discont_state (picture, self->input_state);
|
|
priv->input_state_changed = FALSE;
|
|
}
|
|
|
|
output_frame.frame = frame;
|
|
output_frame.picture = picture;
|
|
output_frame.self = self;
|
|
gst_queue_array_push_tail_struct (priv->output_queue, &output_frame);
|
|
}
|
|
|
|
gst_vp9_decoder_drain_output_queue (self,
|
|
priv->preferred_output_delay, &output_ret);
|
|
if (output_ret != GST_FLOW_OK) {
|
|
GST_DEBUG_OBJECT (self,
|
|
"Output returned %s", gst_flow_get_name (output_ret));
|
|
return output_ret;
|
|
}
|
|
|
|
if (ret == GST_FLOW_ERROR) {
|
|
GST_VIDEO_DECODER_ERROR (self, 1, STREAM, DECODE,
|
|
("Failed to decode data"), (NULL), ret);
|
|
return ret;
|
|
}
|
|
|
|
return ret;
|
|
|
|
unmap_and_error:
|
|
{
|
|
gst_buffer_unmap (in_buf, &map);
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
{
|
|
if (picture)
|
|
gst_vp9_picture_unref (picture);
|
|
|
|
if (ret == GST_FLOW_ERROR) {
|
|
GST_VIDEO_DECODER_ERROR (self, 1, STREAM, DECODE,
|
|
("Failed to decode data"), (NULL), ret);
|
|
}
|
|
|
|
gst_video_decoder_release_frame (decoder, frame);
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_vp9_decoder_drain_output_queue (GstVp9Decoder * self, guint num,
|
|
GstFlowReturn * ret)
|
|
{
|
|
GstVp9DecoderPrivate *priv = self->priv;
|
|
GstVp9DecoderClass *klass = GST_VP9_DECODER_GET_CLASS (self);
|
|
|
|
g_assert (klass->output_picture);
|
|
|
|
while (gst_queue_array_get_length (priv->output_queue) > num) {
|
|
GstVp9DecoderOutputFrame *output_frame = (GstVp9DecoderOutputFrame *)
|
|
gst_queue_array_pop_head_struct (priv->output_queue);
|
|
/* Output queued frames whatever the return value is, in order to empty
|
|
* the queue */
|
|
GstFlowReturn flow_ret = klass->output_picture (self,
|
|
output_frame->frame, output_frame->picture);
|
|
|
|
/* Then, update @ret with new flow return value only if @ret was
|
|
* GST_FLOW_OK. This is to avoid pattern such that
|
|
* ```c
|
|
* GstFlowReturn my_return = GST_FLOW_OK;
|
|
* do something
|
|
*
|
|
* if (my_return == GST_FLOW_OK) {
|
|
* my_return = gst_vp9_decoder_drain_output_queue ();
|
|
* } else {
|
|
* // Ignore flow return of this method, but current `my_return` error code
|
|
* gst_vp9_decoder_drain_output_queue ();
|
|
* }
|
|
*
|
|
* return my_return;
|
|
* ```
|
|
*/
|
|
if (*ret == GST_FLOW_OK)
|
|
*ret = flow_ret;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gst_vp9_decoder_set_non_keyframe_format_change_support:
|
|
* @decoder: a #GstVp9Decoder
|
|
* @support: whether subclass can support non-keyframe format change
|
|
*
|
|
* Called to set non-keyframe format change awareness
|
|
*
|
|
* Since: 1.20
|
|
*/
|
|
void
|
|
gst_vp9_decoder_set_non_keyframe_format_change_support (GstVp9Decoder * decoder,
|
|
gboolean support)
|
|
{
|
|
g_return_if_fail (GST_IS_VP9_DECODER (decoder));
|
|
|
|
decoder->priv->support_non_kf_change = support;
|
|
}
|