mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Build gir for documentation Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5481>
497 lines
18 KiB
C++
497 lines
18 KiB
C++
/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.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 "gstdxvavp9decoder.h"
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#include <string.h>
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#include <vector>
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#include "gstdxvatypedef.h"
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GST_DEBUG_CATEGORY_STATIC (gst_dxva_vp9_decoder_debug);
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#define GST_CAT_DEFAULT gst_dxva_vp9_decoder_debug
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/* *INDENT-OFF* */
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struct _GstDxvaVp9DecoderPrivate
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{
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DXVA_PicParams_VP9 pic_params;
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DXVA_Slice_VPx_Short slice;
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std::vector<guint8> bitstream_buffer;
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GPtrArray *ref_pics = nullptr;
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/* To calculate use_prev_in_find_mv_refs */
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guint last_frame_width = 0;
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guint last_frame_height = 0;
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gboolean last_show_frame = FALSE;
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};
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/* *INDENT-ON* */
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static void gst_dxva_vp9_decoder_finalize (GObject * object);
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static gboolean gst_dxva_vp9_decoder_start (GstVideoDecoder * decoder);
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static GstFlowReturn gst_dxva_vp9_decoder_new_sequence (GstVp9Decoder * decoder,
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const GstVp9FrameHeader * frame_hdr, gint max_dpb_size);
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static GstFlowReturn gst_dxva_vp9_decoder_new_picture (GstVp9Decoder * decoder,
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GstVideoCodecFrame * frame, GstVp9Picture * picture);
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static GstVp9Picture *gst_dxva_vp9_decoder_duplicate_picture (GstVp9Decoder *
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decoder, GstVideoCodecFrame * frame, GstVp9Picture * picture);
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static GstFlowReturn
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gst_dxva_vp9_decoder_decode_picture (GstVp9Decoder * decoder,
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GstVp9Picture * picture, GstVp9Dpb * dpb);
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static GstFlowReturn gst_dxva_vp9_decoder_end_picture (GstVp9Decoder * decoder,
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GstVp9Picture * picture);
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static GstFlowReturn gst_dxva_vp9_decoder_output_picture (GstVp9Decoder *
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decoder, GstVideoCodecFrame * frame, GstVp9Picture * picture);
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#define gst_dxva_vp9_decoder_parent_class parent_class
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstDxvaVp9Decoder,
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gst_dxva_vp9_decoder, GST_TYPE_VP9_DECODER,
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GST_DEBUG_CATEGORY_INIT (gst_dxva_vp9_decoder_debug, "dxvavp9decoder",
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0, "dxvavp9decoder"));
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static void
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gst_dxva_vp9_decoder_class_init (GstDxvaVp9DecoderClass * klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
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GstVp9DecoderClass *vp9decoder_class = GST_VP9_DECODER_CLASS (klass);
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object_class->finalize = gst_dxva_vp9_decoder_finalize;
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decoder_class->start = GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_start);
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vp9decoder_class->new_sequence =
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GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_new_sequence);
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vp9decoder_class->new_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_new_picture);
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vp9decoder_class->duplicate_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_duplicate_picture);
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vp9decoder_class->decode_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_decode_picture);
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vp9decoder_class->end_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_end_picture);
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vp9decoder_class->output_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_output_picture);
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}
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static void
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gst_dxva_vp9_decoder_init (GstDxvaVp9Decoder * self)
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{
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self->priv = new GstDxvaVp9DecoderPrivate ();
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self->priv->ref_pics = g_ptr_array_new ();
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}
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static void
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gst_dxva_vp9_decoder_finalize (GObject * object)
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{
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GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (object);
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GstDxvaVp9DecoderPrivate *priv = self->priv;
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g_ptr_array_unref (priv->ref_pics);
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delete self->priv;
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_dxva_vp9_decoder_reset (GstDxvaVp9Decoder * self)
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{
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GstDxvaVp9DecoderPrivate *priv = self->priv;
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priv->last_frame_width = 0;
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priv->last_frame_height = 0;
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priv->last_show_frame = FALSE;
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}
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static gboolean
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gst_dxva_vp9_decoder_start (GstVideoDecoder * decoder)
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{
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GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
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gst_dxva_vp9_decoder_reset (self);
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return GST_VIDEO_DECODER_CLASS (parent_class)->start (decoder);
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}
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static GstFlowReturn
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gst_dxva_vp9_decoder_new_sequence (GstVp9Decoder * decoder,
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const GstVp9FrameHeader * frame_hdr, gint max_dpb_size)
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{
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GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
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GstDxvaVp9DecoderPrivate *priv = self->priv;
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GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
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GstVideoInfo info;
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GstVideoFormat out_format = GST_VIDEO_FORMAT_UNKNOWN;
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GstFlowReturn ret;
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GST_LOG_OBJECT (self, "new sequence");
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if (frame_hdr->profile == GST_VP9_PROFILE_0)
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out_format = GST_VIDEO_FORMAT_NV12;
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else if (frame_hdr->profile == GST_VP9_PROFILE_2)
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out_format = GST_VIDEO_FORMAT_P010_10LE;
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if (out_format == GST_VIDEO_FORMAT_UNKNOWN) {
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GST_ERROR_OBJECT (self, "Could not support profile %d", frame_hdr->profile);
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return GST_FLOW_NOT_NEGOTIATED;
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}
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/* Will be updated per decode_picture */
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priv->last_frame_width = priv->last_frame_height = 0;
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priv->last_show_frame = FALSE;
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gst_video_info_set_format (&info,
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out_format, frame_hdr->width, frame_hdr->height);
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g_assert (klass->configure);
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ret = klass->configure (self, decoder->input_state, &info, 0, 0,
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frame_hdr->width, frame_hdr->height, max_dpb_size);
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if (ret == GST_FLOW_OK &&
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!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
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GST_WARNING_OBJECT (self, "Couldn't negotiate with new sequence");
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ret = GST_FLOW_NOT_NEGOTIATED;
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}
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return ret;
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}
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static GstFlowReturn
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gst_dxva_vp9_decoder_new_picture (GstVp9Decoder * decoder,
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GstVideoCodecFrame * frame, GstVp9Picture * picture)
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{
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GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
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GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
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g_assert (klass->new_picture);
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return klass->new_picture (self, GST_CODEC_PICTURE (picture));
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}
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static GstVp9Picture *
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gst_dxva_vp9_decoder_duplicate_picture (GstVp9Decoder * decoder,
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GstVideoCodecFrame * frame, GstVp9Picture * picture)
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{
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GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
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GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
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GstVp9Picture *new_picture;
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g_assert (klass->duplicate_picture);
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new_picture = gst_vp9_picture_new ();
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new_picture->frame_hdr = picture->frame_hdr;
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if (klass->duplicate_picture (self, GST_CODEC_PICTURE (picture),
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GST_CODEC_PICTURE (new_picture)) != GST_FLOW_OK) {
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gst_vp9_picture_unref (new_picture);
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return nullptr;
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}
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return new_picture;
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}
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static void
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gst_dxva_vp9_decoder_copy_frame_params (GstDxvaVp9Decoder * self,
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GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
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{
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const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
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params->profile = frame_hdr->profile;
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params->frame_type = frame_hdr->frame_type;
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params->show_frame = frame_hdr->show_frame;
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params->error_resilient_mode = frame_hdr->error_resilient_mode;
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params->subsampling_x = frame_hdr->subsampling_x;
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params->subsampling_y = frame_hdr->subsampling_y;
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params->refresh_frame_context = frame_hdr->refresh_frame_context;
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params->frame_parallel_decoding_mode =
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frame_hdr->frame_parallel_decoding_mode;
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params->intra_only = frame_hdr->intra_only;
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params->frame_context_idx = frame_hdr->frame_context_idx;
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params->reset_frame_context = frame_hdr->reset_frame_context;
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if (frame_hdr->frame_type == GST_VP9_KEY_FRAME)
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params->allow_high_precision_mv = 0;
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else
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params->allow_high_precision_mv = frame_hdr->allow_high_precision_mv;
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params->width = frame_hdr->width;
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params->height = frame_hdr->height;
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params->BitDepthMinus8Luma = frame_hdr->bit_depth - 8;
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params->BitDepthMinus8Chroma = frame_hdr->bit_depth - 8;
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params->interp_filter = frame_hdr->interpolation_filter;
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params->log2_tile_cols = frame_hdr->tile_cols_log2;
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params->log2_tile_rows = frame_hdr->tile_rows_log2;
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}
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static void
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gst_dxva_vp9_decoder_copy_reference_frames (GstDxvaVp9Decoder * self,
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GstVp9Picture * picture, GstVp9Dpb * dpb, DXVA_PicParams_VP9 * params)
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{
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GstDxvaVp9DecoderPrivate *priv = self->priv;
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GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
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for (guint i = 0; i < GST_VP9_REF_FRAMES; i++) {
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params->ref_frame_map[i].bPicEntry = 0xff;
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params->ref_frame_coded_width[i] = 0;
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params->ref_frame_coded_height[i] = 0;
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if (dpb->pic_list[i]) {
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GstVp9Picture *other = dpb->pic_list[i];
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guint8 id = klass->get_picture_id (self, GST_CODEC_PICTURE (other));
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if (id != 0xff) {
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params->ref_frame_map[i].Index7Bits = id;
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params->ref_frame_coded_width[i] = other->frame_hdr.width;
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params->ref_frame_coded_height[i] = other->frame_hdr.height;
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g_ptr_array_add (priv->ref_pics, other);
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}
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}
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}
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}
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static void
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gst_dxva_vp9_decoder_copy_frame_refs (GstDxvaVp9Decoder * self,
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GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
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{
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const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
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gint i;
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for (i = 0; i < GST_VP9_REFS_PER_FRAME; i++)
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params->frame_refs[i] = params->ref_frame_map[frame_hdr->ref_frame_idx[i]];
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G_STATIC_ASSERT (G_N_ELEMENTS (params->ref_frame_sign_bias) ==
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G_N_ELEMENTS (frame_hdr->ref_frame_sign_bias));
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G_STATIC_ASSERT (sizeof (params->ref_frame_sign_bias) ==
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sizeof (frame_hdr->ref_frame_sign_bias));
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memcpy (params->ref_frame_sign_bias,
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frame_hdr->ref_frame_sign_bias, sizeof (frame_hdr->ref_frame_sign_bias));
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}
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static void
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gst_dxva_vp9_decoder_copy_loop_filter_params (GstDxvaVp9Decoder * self,
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GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
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{
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GstDxvaVp9DecoderPrivate *priv = self->priv;
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const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
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const GstVp9LoopFilterParams *lfp = &frame_hdr->loop_filter_params;
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params->filter_level = lfp->loop_filter_level;
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params->sharpness_level = lfp->loop_filter_sharpness;
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params->mode_ref_delta_enabled = lfp->loop_filter_delta_enabled;
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params->mode_ref_delta_update = lfp->loop_filter_delta_update;
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params->use_prev_in_find_mv_refs =
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priv->last_show_frame && !frame_hdr->error_resilient_mode;
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if (frame_hdr->frame_type != GST_VP9_KEY_FRAME && !frame_hdr->intra_only) {
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params->use_prev_in_find_mv_refs &=
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(frame_hdr->width == priv->last_frame_width &&
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frame_hdr->height == priv->last_frame_height);
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}
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G_STATIC_ASSERT (G_N_ELEMENTS (params->ref_deltas) ==
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G_N_ELEMENTS (lfp->loop_filter_ref_deltas));
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G_STATIC_ASSERT (sizeof (params->ref_deltas) ==
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sizeof (lfp->loop_filter_ref_deltas));
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memcpy (params->ref_deltas, lfp->loop_filter_ref_deltas,
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sizeof (lfp->loop_filter_ref_deltas));
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G_STATIC_ASSERT (G_N_ELEMENTS (params->mode_deltas) ==
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G_N_ELEMENTS (lfp->loop_filter_mode_deltas));
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G_STATIC_ASSERT (sizeof (params->mode_deltas) ==
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sizeof (lfp->loop_filter_mode_deltas));
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memcpy (params->mode_deltas, lfp->loop_filter_mode_deltas,
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sizeof (lfp->loop_filter_mode_deltas));
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}
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static void
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gst_dxva_vp9_decoder_copy_quant_params (GstDxvaVp9Decoder * self,
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GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
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{
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const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
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const GstVp9QuantizationParams *qp = &frame_hdr->quantization_params;
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params->base_qindex = qp->base_q_idx;
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params->y_dc_delta_q = qp->delta_q_y_dc;
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params->uv_dc_delta_q = qp->delta_q_uv_dc;
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params->uv_ac_delta_q = qp->delta_q_uv_ac;
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}
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static void
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gst_dxva_vp9_decoder_copy_segmentation_params (GstDxvaVp9Decoder * self,
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GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
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{
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const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
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const GstVp9SegmentationParams *sp = &frame_hdr->segmentation_params;
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params->stVP9Segments.enabled = sp->segmentation_enabled;
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params->stVP9Segments.update_map = sp->segmentation_update_map;
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params->stVP9Segments.temporal_update = sp->segmentation_temporal_update;
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params->stVP9Segments.abs_delta = sp->segmentation_abs_or_delta_update;
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G_STATIC_ASSERT (G_N_ELEMENTS (params->stVP9Segments.tree_probs) ==
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G_N_ELEMENTS (sp->segmentation_tree_probs));
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G_STATIC_ASSERT (sizeof (params->stVP9Segments.tree_probs) ==
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sizeof (sp->segmentation_tree_probs));
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memcpy (params->stVP9Segments.tree_probs, sp->segmentation_tree_probs,
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sizeof (sp->segmentation_tree_probs));
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G_STATIC_ASSERT (G_N_ELEMENTS (params->stVP9Segments.pred_probs) ==
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G_N_ELEMENTS (sp->segmentation_pred_prob));
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G_STATIC_ASSERT (sizeof (params->stVP9Segments.pred_probs) ==
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sizeof (sp->segmentation_pred_prob));
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if (sp->segmentation_temporal_update) {
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memcpy (params->stVP9Segments.pred_probs, sp->segmentation_pred_prob,
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sizeof (params->stVP9Segments.pred_probs));
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} else {
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memset (params->stVP9Segments.pred_probs, 255,
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sizeof (params->stVP9Segments.pred_probs));
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}
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for (guint i = 0; i < GST_VP9_MAX_SEGMENTS; i++) {
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params->stVP9Segments.feature_mask[i] =
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(sp->feature_enabled[i][GST_VP9_SEG_LVL_ALT_Q] << 0) |
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(sp->feature_enabled[i][GST_VP9_SEG_LVL_ALT_L] << 1) |
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(sp->feature_enabled[i][GST_VP9_SEG_LVL_REF_FRAME] << 2) |
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(sp->feature_enabled[i][GST_VP9_SEG_SEG_LVL_SKIP] << 3);
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for (guint j = 0; j < 3; j++)
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params->stVP9Segments.feature_data[i][j] = sp->feature_data[i][j];
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params->stVP9Segments.feature_data[i][3] = 0;
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}
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}
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static GstFlowReturn
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gst_dxva_vp9_decoder_decode_picture (GstVp9Decoder * decoder,
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GstVp9Picture * picture, GstVp9Dpb * dpb)
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{
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GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
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GstDxvaVp9DecoderPrivate *priv = self->priv;
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GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
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DXVA_PicParams_VP9 *pic_params = &priv->pic_params;
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DXVA_Slice_VPx_Short *slice = &priv->slice;
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GstCodecPicture *codec_picture = GST_CODEC_PICTURE (picture);
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GstFlowReturn ret;
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guint8 picture_id;
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g_assert (klass->start_picture);
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g_assert (klass->get_picture_id);
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ret = klass->start_picture (self, codec_picture, &picture_id);
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if (ret != GST_FLOW_OK)
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return ret;
|
|
|
|
priv->bitstream_buffer.resize (0);
|
|
g_ptr_array_set_size (priv->ref_pics, 0);
|
|
|
|
memset (pic_params, 0, sizeof (DXVA_PicParams_VP9));
|
|
|
|
pic_params->CurrPic.Index7Bits = picture_id;
|
|
pic_params->uncompressed_header_size_byte_aligned =
|
|
picture->frame_hdr.frame_header_length_in_bytes;
|
|
pic_params->first_partition_size = picture->frame_hdr.header_size_in_bytes;
|
|
pic_params->StatusReportFeedbackNumber = 1;
|
|
|
|
gst_dxva_vp9_decoder_copy_reference_frames (self, picture, dpb, pic_params);
|
|
gst_dxva_vp9_decoder_copy_frame_params (self, picture, pic_params);
|
|
gst_dxva_vp9_decoder_copy_frame_refs (self, picture, pic_params);
|
|
gst_dxva_vp9_decoder_copy_loop_filter_params (self, picture, pic_params);
|
|
gst_dxva_vp9_decoder_copy_quant_params (self, picture, pic_params);
|
|
gst_dxva_vp9_decoder_copy_segmentation_params (self, picture, pic_params);
|
|
|
|
priv->bitstream_buffer.resize (picture->size);
|
|
memcpy (&priv->bitstream_buffer[0], picture->data, picture->size);
|
|
|
|
slice->BSNALunitDataLocation = 0;
|
|
slice->SliceBytesInBuffer = priv->bitstream_buffer.size ();
|
|
slice->wBadSliceChopping = 0;
|
|
|
|
priv->last_frame_width = pic_params->width;
|
|
priv->last_frame_height = pic_params->height;
|
|
priv->last_show_frame = pic_params->show_frame;
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dxva_vp9_decoder_end_picture (GstVp9Decoder * decoder,
|
|
GstVp9Picture * picture)
|
|
{
|
|
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
|
|
GstDxvaVp9DecoderPrivate *priv = self->priv;
|
|
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
|
|
size_t bitstream_buffer_size;
|
|
size_t bitstream_pos;
|
|
GstDxvaDecodingArgs args;
|
|
|
|
if (priv->bitstream_buffer.empty ()) {
|
|
GST_ERROR_OBJECT (self, "No bitstream buffer to submit");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
memset (&args, 0, sizeof (GstDxvaDecodingArgs));
|
|
|
|
bitstream_pos = priv->bitstream_buffer.size ();
|
|
bitstream_buffer_size = GST_ROUND_UP_128 (bitstream_pos);
|
|
|
|
if (bitstream_buffer_size > bitstream_pos) {
|
|
size_t padding = bitstream_buffer_size - bitstream_pos;
|
|
|
|
/* As per DXVA spec, total amount of bitstream buffer size should be
|
|
* 128 bytes aligned. If actual data is not multiple of 128 bytes,
|
|
* the last slice data needs to be zero-padded */
|
|
priv->bitstream_buffer.resize (bitstream_buffer_size, 0);
|
|
|
|
priv->slice.SliceBytesInBuffer += padding;
|
|
}
|
|
|
|
args.picture_params = &priv->pic_params;
|
|
args.picture_params_size = sizeof (DXVA_PicParams_VP9);
|
|
args.slice_control = &priv->slice;
|
|
args.slice_control_size = sizeof (DXVA_Slice_VPx_Short);
|
|
args.bitstream = &priv->bitstream_buffer[0];
|
|
args.bitstream_size = priv->bitstream_buffer.size ();
|
|
|
|
g_assert (klass->end_picture);
|
|
|
|
return klass->end_picture (self, GST_CODEC_PICTURE (picture),
|
|
priv->ref_pics, &args);
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dxva_vp9_decoder_output_picture (GstVp9Decoder * decoder,
|
|
GstVideoCodecFrame * frame, GstVp9Picture * picture)
|
|
{
|
|
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
|
|
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
|
|
|
|
g_assert (klass->output_picture);
|
|
|
|
GST_LOG_OBJECT (self, "Outputting picture %p", picture);
|
|
|
|
return klass->output_picture (self, frame, GST_CODEC_PICTURE (picture),
|
|
(GstVideoBufferFlags) 0, picture->frame_hdr.width,
|
|
picture->frame_hdr.height);
|
|
}
|