mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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347dd37225
Build gir for documentation Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5481>
734 lines
24 KiB
C++
734 lines
24 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 "gstdxvah265decoder.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_h265_decoder_debug);
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#define GST_CAT_DEFAULT gst_dxva_h265_decoder_debug
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/* *INDENT-OFF* */
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struct _GstDxvaH265DecoderPrivate
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{
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DXVA_PicParams_HEVC pic_params;
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DXVA_Qmatrix_HEVC iq_matrix;
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std::vector<DXVA_Slice_HEVC_Short> slice_list;
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std::vector<guint8> bitstream_buffer;
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GPtrArray *ref_pics = nullptr;
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gboolean submit_iq_data;
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gint crop_x = 0;
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gint crop_y = 0;
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gint width = 0;
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gint height = 0;
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gint coded_width = 0;
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gint coded_height = 0;
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gint bitdepth = 0;
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guint8 chroma_format_idc = 0;
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GstVideoFormat out_format = GST_VIDEO_FORMAT_UNKNOWN;
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GstVideoInterlaceMode interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
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gint max_dpb_size = 0;
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gboolean configured;
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};
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/* *INDENT-ON* */
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static void gst_dxva_h265_decoder_finalize (GObject * object);
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static gboolean gst_dxva_h265_decoder_start (GstVideoDecoder * decoder);
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static GstFlowReturn
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gst_dxva_h265_decoder_new_sequence (GstH265Decoder * decoder,
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const GstH265SPS * sps, gint max_dpb_size);
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static GstFlowReturn
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gst_dxva_h265_decoder_new_picture (GstH265Decoder * decoder,
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GstVideoCodecFrame * frame, GstH265Picture * picture);
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static GstFlowReturn
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gst_dxva_h265_decoder_start_picture (GstH265Decoder * decoder,
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GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb);
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static GstFlowReturn
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gst_dxva_h265_decoder_decode_slice (GstH265Decoder * decoder,
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GstH265Picture * picture, GstH265Slice * slice,
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GArray * ref_pic_list0, GArray * ref_pic_list1);
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static GstFlowReturn
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gst_dxva_h265_decoder_end_picture (GstH265Decoder * decoder,
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GstH265Picture * picture);
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static GstFlowReturn
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gst_dxva_h265_decoder_output_picture (GstH265Decoder *
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decoder, GstVideoCodecFrame * frame, GstH265Picture * picture);
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#define gst_dxva_h265_decoder_parent_class parent_class
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstDxvaH265Decoder,
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gst_dxva_h265_decoder, GST_TYPE_H265_DECODER,
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GST_DEBUG_CATEGORY_INIT (gst_dxva_h265_decoder_debug, "dxvah265decoder",
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0, "dxvah265decoder"));
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static void
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gst_dxva_h265_decoder_class_init (GstDxvaH265DecoderClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
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GstH265DecoderClass *h265decoder_class = GST_H265_DECODER_CLASS (klass);
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gobject_class->finalize = gst_dxva_h265_decoder_finalize;
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decoder_class->start = GST_DEBUG_FUNCPTR (gst_dxva_h265_decoder_start);
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h265decoder_class->new_sequence =
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GST_DEBUG_FUNCPTR (gst_dxva_h265_decoder_new_sequence);
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h265decoder_class->new_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_h265_decoder_new_picture);
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h265decoder_class->start_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_h265_decoder_start_picture);
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h265decoder_class->decode_slice =
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GST_DEBUG_FUNCPTR (gst_dxva_h265_decoder_decode_slice);
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h265decoder_class->end_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_h265_decoder_end_picture);
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h265decoder_class->output_picture =
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GST_DEBUG_FUNCPTR (gst_dxva_h265_decoder_output_picture);
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}
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static void
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gst_dxva_h265_decoder_init (GstDxvaH265Decoder * self)
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{
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self->priv = new GstDxvaH265DecoderPrivate ();
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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_h265_decoder_finalize (GObject * object)
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{
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GstDxvaH265Decoder *self = GST_DXVA_H265_DECODER (object);
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GstDxvaH265DecoderPrivate *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_h265_decoder_reset (GstDxvaH265Decoder * self)
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{
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GstDxvaH265DecoderPrivate *priv = self->priv;
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priv->crop_x = 0;
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priv->crop_y = 0;
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priv->width = 0;
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priv->height = 0;
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priv->coded_width = 0;
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priv->coded_height = 0;
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priv->bitdepth = 0;
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priv->chroma_format_idc = 0;
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priv->out_format = GST_VIDEO_FORMAT_UNKNOWN;
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priv->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
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priv->max_dpb_size = 0;
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priv->configured = FALSE;
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}
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static gboolean
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gst_dxva_h265_decoder_start (GstVideoDecoder * decoder)
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{
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GstDxvaH265Decoder *self = GST_DXVA_H265_DECODER (decoder);
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gst_dxva_h265_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_h265_decoder_new_sequence (GstH265Decoder * decoder,
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const GstH265SPS * sps, gint max_dpb_size)
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{
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GstDxvaH265Decoder *self = GST_DXVA_H265_DECODER (decoder);
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GstDxvaH265DecoderPrivate *priv = self->priv;
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GstDxvaH265DecoderClass *klass = GST_DXVA_H265_DECODER_GET_CLASS (self);
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gint crop_width, crop_height;
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gboolean modified = FALSE;
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GstVideoInterlaceMode interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
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GstVideoInfo info;
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GstFlowReturn ret;
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GST_LOG_OBJECT (self, "new sequence");
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if (sps->conformance_window_flag) {
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crop_width = sps->crop_rect_width;
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crop_height = sps->crop_rect_height;
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} else {
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crop_width = sps->width;
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crop_height = sps->height;
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}
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if (priv->width != crop_width || priv->height != crop_height ||
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priv->coded_width != sps->width || priv->coded_height != sps->height ||
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priv->crop_x != sps->crop_rect_x || priv->crop_y != sps->crop_rect_y) {
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GST_INFO_OBJECT (self, "resolution changed %dx%d (%dx%d) -> %dx%d (%dx%d)",
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priv->width, priv->height, priv->coded_width, priv->coded_height,
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crop_width, crop_height, sps->width, sps->height);
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priv->crop_x = sps->crop_rect_x;
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priv->crop_y = sps->crop_rect_y;
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priv->width = crop_width;
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priv->height = crop_height;
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priv->coded_width = sps->width;
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priv->coded_height = sps->height;
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modified = TRUE;
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}
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if (priv->bitdepth != sps->bit_depth_luma_minus8 + 8) {
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gint bitdepth = sps->bit_depth_luma_minus8 + 8;
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GST_INFO_OBJECT (self,
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"bitdepth change, %d -> %d", priv->bitdepth, bitdepth);
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priv->bitdepth = bitdepth;
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modified = TRUE;
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}
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if (sps->vui_parameters_present_flag && sps->vui_params.field_seq_flag) {
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interlace_mode = GST_VIDEO_INTERLACE_MODE_ALTERNATE;
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} else {
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/* 7.4.4 Profile, tier and level sementics */
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if (sps->profile_tier_level.progressive_source_flag &&
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!sps->profile_tier_level.interlaced_source_flag) {
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interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
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} else {
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interlace_mode = GST_VIDEO_INTERLACE_MODE_MIXED;
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}
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}
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if (priv->interlace_mode != interlace_mode) {
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GST_INFO_OBJECT (self, "Interlace mode change %d -> %d",
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priv->interlace_mode, interlace_mode);
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priv->interlace_mode = interlace_mode;
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modified = TRUE;
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}
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if (priv->chroma_format_idc != sps->chroma_format_idc) {
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GST_INFO_OBJECT (self, "chroma format changed");
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priv->chroma_format_idc = sps->chroma_format_idc;
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modified = TRUE;
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}
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if (priv->max_dpb_size < max_dpb_size) {
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GST_INFO_OBJECT (self, "Requires larger DPB size (%d -> %d)",
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priv->max_dpb_size, max_dpb_size);
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modified = TRUE;
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}
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if (!modified && priv->configured)
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return GST_FLOW_OK;
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priv->out_format = GST_VIDEO_FORMAT_UNKNOWN;
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if (priv->bitdepth == 8) {
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if (priv->chroma_format_idc == 1) {
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priv->out_format = GST_VIDEO_FORMAT_NV12;
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} else {
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GST_FIXME_OBJECT (self, "Could not support 8bits non-4:2:0 format");
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}
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} else if (priv->bitdepth == 10) {
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if (priv->chroma_format_idc == 1) {
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priv->out_format = GST_VIDEO_FORMAT_P010_10LE;
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} else {
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GST_FIXME_OBJECT (self, "Could not support 10bits non-4:2:0 format");
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}
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}
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if (priv->out_format == GST_VIDEO_FORMAT_UNKNOWN) {
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GST_ERROR_OBJECT (self, "Could not support bitdepth/chroma format");
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priv->configured = FALSE;
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return GST_FLOW_NOT_NEGOTIATED;
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}
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gst_video_info_set_interlaced_format (&info, priv->out_format,
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priv->interlace_mode, priv->width, priv->height);
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priv->max_dpb_size = max_dpb_size;
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g_assert (klass->configure);
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ret = klass->configure (self, decoder->input_state, &info, priv->crop_x,
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priv->crop_y, priv->coded_width, priv->coded_height, max_dpb_size);
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if (ret == GST_FLOW_OK) {
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priv->configured = TRUE;
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if (!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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} else {
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priv->configured = FALSE;
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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_h265_decoder_new_picture (GstH265Decoder * decoder,
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GstVideoCodecFrame * frame, GstH265Picture * picture)
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{
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GstDxvaH265Decoder *self = GST_DXVA_H265_DECODER (decoder);
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GstDxvaH265DecoderClass *klass = GST_DXVA_H265_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 void
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gst_dxva_h265_decoder_picture_params_from_sps (GstDxvaH265Decoder * self,
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const GstH265SPS * sps, DXVA_PicParams_HEVC * params)
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{
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#define COPY_FIELD(f) \
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(params)->f = (sps)->f
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#define COPY_FIELD_WITH_PREFIX(f) \
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(params)->G_PASTE(sps_,f) = (sps)->f
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params->PicWidthInMinCbsY =
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sps->width >> (sps->log2_min_luma_coding_block_size_minus3 + 3);
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params->PicHeightInMinCbsY =
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sps->height >> (sps->log2_min_luma_coding_block_size_minus3 + 3);
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params->sps_max_dec_pic_buffering_minus1 =
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sps->max_dec_pic_buffering_minus1[sps->max_sub_layers_minus1];
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COPY_FIELD (chroma_format_idc);
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COPY_FIELD (separate_colour_plane_flag);
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COPY_FIELD (bit_depth_luma_minus8);
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COPY_FIELD (bit_depth_chroma_minus8);
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COPY_FIELD (log2_max_pic_order_cnt_lsb_minus4);
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COPY_FIELD (log2_min_luma_coding_block_size_minus3);
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COPY_FIELD (log2_diff_max_min_luma_coding_block_size);
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COPY_FIELD (log2_min_transform_block_size_minus2);
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COPY_FIELD (log2_diff_max_min_transform_block_size);
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COPY_FIELD (max_transform_hierarchy_depth_inter);
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COPY_FIELD (max_transform_hierarchy_depth_intra);
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COPY_FIELD (num_short_term_ref_pic_sets);
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COPY_FIELD (num_long_term_ref_pics_sps);
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COPY_FIELD (scaling_list_enabled_flag);
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COPY_FIELD (amp_enabled_flag);
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COPY_FIELD (sample_adaptive_offset_enabled_flag);
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COPY_FIELD (pcm_enabled_flag);
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if (sps->pcm_enabled_flag) {
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COPY_FIELD (pcm_sample_bit_depth_luma_minus1);
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COPY_FIELD (pcm_sample_bit_depth_chroma_minus1);
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COPY_FIELD (log2_min_pcm_luma_coding_block_size_minus3);
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COPY_FIELD (log2_diff_max_min_pcm_luma_coding_block_size);
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}
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COPY_FIELD (pcm_loop_filter_disabled_flag);
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COPY_FIELD (long_term_ref_pics_present_flag);
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COPY_FIELD_WITH_PREFIX (temporal_mvp_enabled_flag);
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COPY_FIELD (strong_intra_smoothing_enabled_flag);
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#undef COPY_FIELD
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#undef COPY_FIELD_WITH_PREFIX
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}
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static void
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gst_dxva_h265_decoder_picture_params_from_pps (GstDxvaH265Decoder * self,
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const GstH265PPS * pps, DXVA_PicParams_HEVC * params)
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{
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guint i;
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#define COPY_FIELD(f) \
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(params)->f = (pps)->f
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#define COPY_FIELD_WITH_PREFIX(f) \
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(params)->G_PASTE(pps_,f) = (pps)->f
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COPY_FIELD (num_ref_idx_l0_default_active_minus1);
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COPY_FIELD (num_ref_idx_l1_default_active_minus1);
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COPY_FIELD (init_qp_minus26);
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COPY_FIELD (dependent_slice_segments_enabled_flag);
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COPY_FIELD (output_flag_present_flag);
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COPY_FIELD (num_extra_slice_header_bits);
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COPY_FIELD (sign_data_hiding_enabled_flag);
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COPY_FIELD (cabac_init_present_flag);
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COPY_FIELD (constrained_intra_pred_flag);
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COPY_FIELD (transform_skip_enabled_flag);
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COPY_FIELD (cu_qp_delta_enabled_flag);
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COPY_FIELD_WITH_PREFIX (slice_chroma_qp_offsets_present_flag);
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COPY_FIELD (weighted_pred_flag);
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COPY_FIELD (weighted_bipred_flag);
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COPY_FIELD (transquant_bypass_enabled_flag);
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COPY_FIELD (tiles_enabled_flag);
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COPY_FIELD (entropy_coding_sync_enabled_flag);
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COPY_FIELD (uniform_spacing_flag);
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if (pps->tiles_enabled_flag)
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COPY_FIELD (loop_filter_across_tiles_enabled_flag);
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COPY_FIELD_WITH_PREFIX (loop_filter_across_slices_enabled_flag);
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COPY_FIELD (deblocking_filter_override_enabled_flag);
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COPY_FIELD_WITH_PREFIX (deblocking_filter_disabled_flag);
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COPY_FIELD (lists_modification_present_flag);
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COPY_FIELD (slice_segment_header_extension_present_flag);
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COPY_FIELD_WITH_PREFIX (cb_qp_offset);
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COPY_FIELD_WITH_PREFIX (cr_qp_offset);
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if (pps->tiles_enabled_flag) {
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COPY_FIELD (num_tile_columns_minus1);
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COPY_FIELD (num_tile_rows_minus1);
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if (!pps->uniform_spacing_flag) {
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for (i = 0; i < pps->num_tile_columns_minus1 &&
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i < G_N_ELEMENTS (params->column_width_minus1); i++)
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COPY_FIELD (column_width_minus1[i]);
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for (i = 0; i < pps->num_tile_rows_minus1 &&
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i < G_N_ELEMENTS (params->row_height_minus1); i++)
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COPY_FIELD (row_height_minus1[i]);
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}
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}
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COPY_FIELD (diff_cu_qp_delta_depth);
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COPY_FIELD_WITH_PREFIX (beta_offset_div2);
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COPY_FIELD_WITH_PREFIX (tc_offset_div2);
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COPY_FIELD (log2_parallel_merge_level_minus2);
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#undef COPY_FIELD
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#undef COPY_FIELD_WITH_PREFIX
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}
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static void
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gst_dxva_h265_decoder_picture_params_from_slice_header (GstDxvaH265Decoder *
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self, const GstH265SliceHdr * slice_header, DXVA_PicParams_HEVC * params)
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{
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if (slice_header->short_term_ref_pic_set_sps_flag == 0) {
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params->ucNumDeltaPocsOfRefRpsIdx =
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slice_header->short_term_ref_pic_sets.NumDeltaPocsOfRefRpsIdx;
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params->wNumBitsForShortTermRPSInSlice =
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slice_header->short_term_ref_pic_set_size;
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}
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}
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static gboolean
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|
gst_dxva_h265_decoder_fill_picture_params (GstDxvaH265Decoder * self,
|
|
const GstH265SliceHdr * slice_header, DXVA_PicParams_HEVC * params)
|
|
{
|
|
const GstH265SPS *sps;
|
|
const GstH265PPS *pps;
|
|
|
|
pps = slice_header->pps;
|
|
sps = pps->sps;
|
|
|
|
/* not related to hevc syntax */
|
|
params->NoPicReorderingFlag = 0;
|
|
params->NoBiPredFlag = 0;
|
|
params->ReservedBits1 = 0;
|
|
params->StatusReportFeedbackNumber = 1;
|
|
|
|
gst_dxva_h265_decoder_picture_params_from_sps (self, sps, params);
|
|
gst_dxva_h265_decoder_picture_params_from_pps (self, pps, params);
|
|
gst_dxva_h265_decoder_picture_params_from_slice_header (self,
|
|
slice_header, params);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static UCHAR
|
|
gst_dxva_h265_decoder_get_ref_index (const DXVA_PicParams_HEVC * pic_params,
|
|
guint8 picture_id)
|
|
{
|
|
if (picture_id == 0xff)
|
|
return 0xff;
|
|
|
|
for (UCHAR i = 0; i < G_N_ELEMENTS (pic_params->RefPicList); i++) {
|
|
if (pic_params->RefPicList[i].Index7Bits == picture_id)
|
|
return i;
|
|
}
|
|
|
|
return 0xff;
|
|
}
|
|
|
|
static inline void
|
|
init_pic_params (DXVA_PicParams_HEVC * params)
|
|
{
|
|
memset (params, 0, sizeof (DXVA_PicParams_HEVC));
|
|
for (guint i = 0; i < G_N_ELEMENTS (params->RefPicList); i++)
|
|
params->RefPicList[i].bPicEntry = 0xff;
|
|
|
|
for (guint i = 0; i < G_N_ELEMENTS (params->RefPicSetStCurrBefore); i++) {
|
|
params->RefPicSetStCurrBefore[i] = 0xff;
|
|
params->RefPicSetStCurrAfter[i] = 0xff;
|
|
params->RefPicSetLtCurr[i] = 0xff;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dxva_h265_decoder_start_picture (GstH265Decoder * decoder,
|
|
GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb)
|
|
{
|
|
GstDxvaH265Decoder *self = GST_DXVA_H265_DECODER (decoder);
|
|
GstDxvaH265DecoderPrivate *priv = self->priv;
|
|
GstDxvaH265DecoderClass *klass = GST_DXVA_H265_DECODER_GET_CLASS (self);
|
|
DXVA_PicParams_HEVC *pic_params = &priv->pic_params;
|
|
DXVA_Qmatrix_HEVC *iq_matrix = &priv->iq_matrix;
|
|
GstCodecPicture *codec_picture = GST_CODEC_PICTURE (picture);
|
|
guint i, j;
|
|
GArray *dpb_array;
|
|
GstH265SPS *sps;
|
|
GstH265PPS *pps;
|
|
GstH265ScalingList *scaling_list = nullptr;
|
|
GstFlowReturn ret;
|
|
guint8 picture_id;
|
|
|
|
g_assert (klass->start_picture);
|
|
g_assert (klass->get_picture_id);
|
|
|
|
ret = klass->start_picture (self, codec_picture, &picture_id);
|
|
if (ret != GST_FLOW_OK)
|
|
return ret;
|
|
|
|
pps = slice->header.pps;
|
|
g_assert (pps);
|
|
|
|
sps = pps->sps;
|
|
g_assert (sps);
|
|
|
|
priv->slice_list.resize (0);
|
|
priv->bitstream_buffer.resize (0);
|
|
g_ptr_array_set_size (priv->ref_pics, 0);
|
|
|
|
init_pic_params (pic_params);
|
|
gst_dxva_h265_decoder_fill_picture_params (self, &slice->header, pic_params);
|
|
|
|
pic_params->CurrPic.Index7Bits = picture_id;
|
|
pic_params->IrapPicFlag = GST_H265_IS_NAL_TYPE_IRAP (slice->nalu.type);
|
|
pic_params->IdrPicFlag = GST_H265_IS_NAL_TYPE_IDR (slice->nalu.type);
|
|
pic_params->IntraPicFlag = GST_H265_IS_NAL_TYPE_IRAP (slice->nalu.type);
|
|
pic_params->CurrPicOrderCntVal = picture->pic_order_cnt;
|
|
|
|
dpb_array = gst_h265_dpb_get_pictures_all (dpb);
|
|
for (i = 0, j = 0;
|
|
i < dpb_array->len && j < G_N_ELEMENTS (pic_params->RefPicList); i++) {
|
|
GstH265Picture *other = g_array_index (dpb_array, GstH265Picture *, i);
|
|
guint8 id;
|
|
|
|
if (!other->ref)
|
|
continue;
|
|
|
|
id = klass->get_picture_id (self, GST_CODEC_PICTURE (other));
|
|
if (id != 0xff) {
|
|
pic_params->RefPicList[j].Index7Bits = id;
|
|
pic_params->RefPicList[j].AssociatedFlag = other->long_term;
|
|
pic_params->PicOrderCntValList[j] = other->pic_order_cnt;
|
|
g_ptr_array_add (priv->ref_pics, other);
|
|
}
|
|
|
|
j++;
|
|
}
|
|
g_array_unref (dpb_array);
|
|
|
|
for (i = 0, j = 0; i < G_N_ELEMENTS (pic_params->RefPicSetStCurrBefore); i++) {
|
|
GstH265Picture *other = nullptr;
|
|
guint8 id = 0xff;
|
|
|
|
while (!other && j < decoder->NumPocStCurrBefore)
|
|
other = decoder->RefPicSetStCurrBefore[j++];
|
|
|
|
if (other)
|
|
id = klass->get_picture_id (self, GST_CODEC_PICTURE (other));
|
|
|
|
pic_params->RefPicSetStCurrBefore[i] =
|
|
gst_dxva_h265_decoder_get_ref_index (pic_params, id);
|
|
}
|
|
|
|
for (i = 0, j = 0; i < G_N_ELEMENTS (pic_params->RefPicSetStCurrAfter); i++) {
|
|
GstH265Picture *other = nullptr;
|
|
guint8 id = 0xff;
|
|
|
|
while (!other && j < decoder->NumPocStCurrAfter)
|
|
other = decoder->RefPicSetStCurrAfter[j++];
|
|
|
|
if (other)
|
|
id = klass->get_picture_id (self, GST_CODEC_PICTURE (other));
|
|
|
|
pic_params->RefPicSetStCurrAfter[i] =
|
|
gst_dxva_h265_decoder_get_ref_index (pic_params, id);
|
|
}
|
|
|
|
for (i = 0, j = 0; i < G_N_ELEMENTS (pic_params->RefPicSetLtCurr); i++) {
|
|
GstH265Picture *other = nullptr;
|
|
guint8 id = 0xff;
|
|
|
|
while (!other && j < decoder->NumPocLtCurr)
|
|
other = decoder->RefPicSetLtCurr[j++];
|
|
|
|
if (other)
|
|
id = klass->get_picture_id (self, GST_CODEC_PICTURE (other));
|
|
|
|
pic_params->RefPicSetLtCurr[i] =
|
|
gst_dxva_h265_decoder_get_ref_index (pic_params, id);
|
|
}
|
|
|
|
if (pps->scaling_list_data_present_flag ||
|
|
(sps->scaling_list_enabled_flag
|
|
&& !sps->scaling_list_data_present_flag)) {
|
|
scaling_list = &pps->scaling_list;
|
|
} else if (sps->scaling_list_enabled_flag &&
|
|
sps->scaling_list_data_present_flag) {
|
|
scaling_list = &sps->scaling_list;
|
|
}
|
|
|
|
if (scaling_list) {
|
|
G_STATIC_ASSERT (sizeof (iq_matrix->ucScalingLists0) ==
|
|
sizeof (scaling_list->scaling_lists_4x4));
|
|
G_STATIC_ASSERT (sizeof (iq_matrix->ucScalingLists1) ==
|
|
sizeof (scaling_list->scaling_lists_8x8));
|
|
G_STATIC_ASSERT (sizeof (iq_matrix->ucScalingLists2) ==
|
|
sizeof (scaling_list->scaling_lists_16x16));
|
|
G_STATIC_ASSERT (sizeof (iq_matrix->ucScalingLists3) ==
|
|
sizeof (scaling_list->scaling_lists_32x32));
|
|
|
|
memcpy (iq_matrix->ucScalingLists0, scaling_list->scaling_lists_4x4,
|
|
sizeof (iq_matrix->ucScalingLists0));
|
|
memcpy (iq_matrix->ucScalingLists1, scaling_list->scaling_lists_8x8,
|
|
sizeof (iq_matrix->ucScalingLists1));
|
|
memcpy (iq_matrix->ucScalingLists2, scaling_list->scaling_lists_16x16,
|
|
sizeof (iq_matrix->ucScalingLists2));
|
|
memcpy (iq_matrix->ucScalingLists3, scaling_list->scaling_lists_32x32,
|
|
sizeof (iq_matrix->ucScalingLists3));
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (iq_matrix->ucScalingListDCCoefSizeID2); i++) {
|
|
iq_matrix->ucScalingListDCCoefSizeID2[i] =
|
|
scaling_list->scaling_list_dc_coef_minus8_16x16[i] + 8;
|
|
}
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (iq_matrix->ucScalingListDCCoefSizeID3); i++) {
|
|
iq_matrix->ucScalingListDCCoefSizeID3[i] =
|
|
scaling_list->scaling_list_dc_coef_minus8_32x32[i] + 8;
|
|
}
|
|
|
|
priv->submit_iq_data = TRUE;
|
|
} else {
|
|
priv->submit_iq_data = FALSE;
|
|
}
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dxva_h265_decoder_decode_slice (GstH265Decoder * decoder,
|
|
GstH265Picture * picture, GstH265Slice * slice,
|
|
GArray * ref_pic_list0, GArray * ref_pic_list1)
|
|
{
|
|
GstDxvaH265Decoder *self = GST_DXVA_H265_DECODER (decoder);
|
|
GstDxvaH265DecoderPrivate *priv = self->priv;
|
|
DXVA_Slice_HEVC_Short dxva_slice;
|
|
static const guint8 start_code[] = { 0, 0, 1 };
|
|
const size_t start_code_size = sizeof (start_code);
|
|
|
|
dxva_slice.BSNALunitDataLocation = priv->bitstream_buffer.size ();
|
|
/* Includes 3 bytes start code prefix */
|
|
dxva_slice.SliceBytesInBuffer = slice->nalu.size + start_code_size;
|
|
dxva_slice.wBadSliceChopping = 0;
|
|
|
|
priv->slice_list.push_back (dxva_slice);
|
|
|
|
size_t pos = priv->bitstream_buffer.size ();
|
|
priv->bitstream_buffer.resize (pos + start_code_size + slice->nalu.size);
|
|
|
|
/* Fill start code prefix */
|
|
memcpy (&priv->bitstream_buffer[0] + pos, start_code, start_code_size);
|
|
|
|
/* Copy bitstream */
|
|
memcpy (&priv->bitstream_buffer[0] + pos + start_code_size,
|
|
slice->nalu.data + slice->nalu.offset, slice->nalu.size);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dxva_h265_decoder_end_picture (GstH265Decoder * decoder,
|
|
GstH265Picture * picture)
|
|
{
|
|
GstDxvaH265Decoder *self = GST_DXVA_H265_DECODER (decoder);
|
|
GstDxvaH265DecoderPrivate *priv = self->priv;
|
|
GstDxvaH265DecoderClass *klass = GST_DXVA_H265_DECODER_GET_CLASS (self);
|
|
size_t bitstream_buffer_size;
|
|
size_t bitstream_pos;
|
|
GstDxvaDecodingArgs args;
|
|
|
|
GST_LOG_OBJECT (self, "end picture %p, (poc %d)",
|
|
picture, picture->pic_order_cnt);
|
|
|
|
if (priv->bitstream_buffer.empty () || priv->slice_list.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);
|
|
|
|
DXVA_Slice_HEVC_Short & slice = priv->slice_list.back ();
|
|
slice.SliceBytesInBuffer += padding;
|
|
}
|
|
|
|
args.picture_params = &priv->pic_params;
|
|
args.picture_params_size = sizeof (DXVA_PicParams_HEVC);
|
|
args.slice_control = &priv->slice_list[0];
|
|
args.slice_control_size =
|
|
sizeof (DXVA_Slice_HEVC_Short) * priv->slice_list.size ();
|
|
args.bitstream = &priv->bitstream_buffer[0];
|
|
args.bitstream_size = priv->bitstream_buffer.size ();
|
|
|
|
if (priv->submit_iq_data) {
|
|
args.inverse_quantization_matrix = &priv->iq_matrix;
|
|
args.inverse_quantization_matrix_size = sizeof (DXVA_Qmatrix_HEVC);
|
|
}
|
|
|
|
g_assert (klass->end_picture);
|
|
|
|
return klass->end_picture (self, GST_CODEC_PICTURE (picture),
|
|
priv->ref_pics, &args);
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dxva_h265_decoder_output_picture (GstH265Decoder * decoder,
|
|
GstVideoCodecFrame * frame, GstH265Picture * picture)
|
|
{
|
|
GstDxvaH265Decoder *self = GST_DXVA_H265_DECODER (decoder);
|
|
GstDxvaH265DecoderPrivate *priv = self->priv;
|
|
GstDxvaH265DecoderClass *klass = GST_DXVA_H265_DECODER_GET_CLASS (self);
|
|
|
|
g_assert (klass->output_picture);
|
|
|
|
GST_LOG_OBJECT (self, "Outputting picture %p, poc %d, picture_struct %d, "
|
|
"buffer flags 0x%x", picture, picture->pic_order_cnt, picture->pic_struct,
|
|
picture->buffer_flags);
|
|
|
|
return klass->output_picture (self, frame, GST_CODEC_PICTURE (picture),
|
|
picture->buffer_flags, priv->width, priv->height);
|
|
}
|