mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 01:30:38 +00:00
858520932c
NVIDIA GPUs have undocumented limitation regarding minimum resolution and it can be queried via a NVDEC API. However, since we don't want to bring CUDA/NVDEC API into D3D11, use hardcoded values for now until we find a nice way for capability check. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2406>
1023 lines
33 KiB
C++
1023 lines
33 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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* NOTE: some of implementations are copied/modified from Chromium code
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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:element-d3d11h264dec
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* @title: d3d11h264dec
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*
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* A Direct3D11/DXVA based H.264 video decoder
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*
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* ## Example launch line
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* ```
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* gst-launch-1.0 filesrc location=/path/to/h264/file ! parsebin ! d3d11h264dec ! d3d11videosink
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* ```
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*
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* Since: 1.18
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*
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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 "gstd3d11h264dec.h"
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#include <gst/codecs/gsth264decoder.h>
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#include <string.h>
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#include <vector>
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/* HACK: to expose dxva data structure on UWP */
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#ifdef WINAPI_PARTITION_DESKTOP
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#undef WINAPI_PARTITION_DESKTOP
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#endif
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#define WINAPI_PARTITION_DESKTOP 1
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#include <d3d9.h>
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#include <dxva.h>
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GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_h264_dec_debug);
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#define GST_CAT_DEFAULT gst_d3d11_h264_dec_debug
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/* *INDENT-OFF* */
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typedef struct _GstD3D11H264DecInner
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{
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GstD3D11Device *device = nullptr;
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GstD3D11Decoder *d3d11_decoder = nullptr;
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DXVA_PicParams_H264 pic_params;
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DXVA_Qmatrix_H264 iq_matrix;
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std::vector<DXVA_Slice_H264_Short> slice_list;
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std::vector<guint8> bitstream_buffer;
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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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gboolean interlaced = FALSE;
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gint max_dpb_size = 0;
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} GstD3D11H264DecInner;
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/* *INDENT-ON* */
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typedef struct _GstD3D11H264Dec
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{
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GstH264Decoder parent;
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GstD3D11H264DecInner *inner;
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} GstD3D11H264Dec;
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typedef struct _GstD3D11H264DecClass
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{
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GstH264DecoderClass parent_class;
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GstD3D11DecoderSubClassData class_data;
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} GstD3D11H264DecClass;
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static GstElementClass *parent_class = NULL;
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#define GST_D3D11_H264_DEC(object) ((GstD3D11H264Dec *) (object))
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#define GST_D3D11_H264_DEC_GET_CLASS(object) \
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(G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstD3D11H264DecClass))
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static void gst_d3d11_h264_dec_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_d3d11_h264_dec_finalize (GObject * object);
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static void gst_d3d11_h264_dec_set_context (GstElement * element,
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GstContext * context);
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static gboolean gst_d3d11_h264_dec_open (GstVideoDecoder * decoder);
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static gboolean gst_d3d11_h264_dec_close (GstVideoDecoder * decoder);
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static gboolean gst_d3d11_h264_dec_negotiate (GstVideoDecoder * decoder);
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static gboolean gst_d3d11_h264_dec_decide_allocation (GstVideoDecoder *
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decoder, GstQuery * query);
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static gboolean gst_d3d11_h264_dec_src_query (GstVideoDecoder * decoder,
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GstQuery * query);
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static gboolean gst_d3d11_h264_dec_sink_event (GstVideoDecoder * decoder,
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GstEvent * event);
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/* GstH264Decoder */
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static GstFlowReturn gst_d3d11_h264_dec_new_sequence (GstH264Decoder * decoder,
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const GstH264SPS * sps, gint max_dpb_size);
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static GstFlowReturn gst_d3d11_h264_dec_new_picture (GstH264Decoder * decoder,
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GstVideoCodecFrame * frame, GstH264Picture * picture);
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static GstFlowReturn
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gst_d3d11_h264_dec_new_field_picture (GstH264Decoder * decoder,
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GstH264Picture * first_field, GstH264Picture * second_field);
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static GstFlowReturn gst_d3d11_h264_dec_start_picture (GstH264Decoder * decoder,
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GstH264Picture * picture, GstH264Slice * slice, GstH264Dpb * dpb);
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static GstFlowReturn gst_d3d11_h264_dec_decode_slice (GstH264Decoder * decoder,
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GstH264Picture * picture, GstH264Slice * slice, GArray * ref_pic_list0,
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GArray * ref_pic_list1);
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static GstFlowReturn gst_d3d11_h264_dec_end_picture (GstH264Decoder * decoder,
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GstH264Picture * picture);
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static GstFlowReturn gst_d3d11_h264_dec_output_picture (GstH264Decoder *
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decoder, GstVideoCodecFrame * frame, GstH264Picture * picture);
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static void
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gst_d3d11_h264_dec_class_init (GstD3D11H264DecClass * klass, gpointer data)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
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GstH264DecoderClass *h264decoder_class = GST_H264_DECODER_CLASS (klass);
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GstD3D11DecoderClassData *cdata = (GstD3D11DecoderClassData *) data;
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gobject_class->get_property = gst_d3d11_h264_dec_get_property;
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gobject_class->finalize = gst_d3d11_h264_dec_finalize;
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element_class->set_context =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_set_context);
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parent_class = (GstElementClass *) g_type_class_peek_parent (klass);
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gst_d3d11_decoder_class_data_fill_subclass_data (cdata, &klass->class_data);
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/**
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* GstD3D11H264Dec:adapter-luid:
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*
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* DXGI Adapter LUID for this element
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*
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* Since: 1.20
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*/
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gst_d3d11_decoder_proxy_class_init (element_class, cdata,
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"Seungha Yang <seungha.yang@navercorp.com>");
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decoder_class->open = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_open);
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decoder_class->close = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_close);
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decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_negotiate);
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decoder_class->decide_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_decide_allocation);
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decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_src_query);
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decoder_class->sink_event = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_sink_event);
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h264decoder_class->new_sequence =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_new_sequence);
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h264decoder_class->new_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_new_picture);
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h264decoder_class->new_field_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_new_field_picture);
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h264decoder_class->start_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_start_picture);
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h264decoder_class->decode_slice =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_decode_slice);
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h264decoder_class->end_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_end_picture);
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h264decoder_class->output_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_output_picture);
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}
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static void
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gst_d3d11_h264_dec_init (GstD3D11H264Dec * self)
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{
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self->inner = new GstD3D11H264DecInner ();
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}
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static void
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gst_d3d11_h264_dec_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstD3D11H264DecClass *klass = GST_D3D11_H264_DEC_GET_CLASS (object);
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GstD3D11DecoderSubClassData *cdata = &klass->class_data;
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gst_d3d11_decoder_proxy_get_property (object, prop_id, value, pspec, cdata);
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}
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static void
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gst_d3d11_h264_dec_finalize (GObject * object)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (object);
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delete self->inner;
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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_d3d11_h264_dec_set_context (GstElement * element, GstContext * context)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (element);
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GstD3D11H264DecInner *inner = self->inner;
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GstD3D11H264DecClass *klass = GST_D3D11_H264_DEC_GET_CLASS (self);
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GstD3D11DecoderSubClassData *cdata = &klass->class_data;
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gst_d3d11_handle_set_context_for_adapter_luid (element,
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context, cdata->adapter_luid, &inner->device);
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GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
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}
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/* Clear all codec specific (e.g., SPS) data */
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static void
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gst_d3d11_h264_dec_reset (GstD3D11H264Dec * self)
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{
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GstD3D11H264DecInner *inner = self->inner;
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inner->width = 0;
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inner->height = 0;
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inner->coded_width = 0;
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inner->coded_height = 0;
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inner->bitdepth = 0;
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inner->chroma_format_idc = 0;
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inner->out_format = GST_VIDEO_FORMAT_UNKNOWN;
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inner->interlaced = FALSE;
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inner->max_dpb_size = 0;
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}
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static gboolean
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gst_d3d11_h264_dec_open (GstVideoDecoder * decoder)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
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GstD3D11H264DecInner *inner = self->inner;
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GstD3D11H264DecClass *klass = GST_D3D11_H264_DEC_GET_CLASS (self);
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GstD3D11DecoderSubClassData *cdata = &klass->class_data;
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if (!gst_d3d11_decoder_proxy_open (decoder,
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cdata, &inner->device, &inner->d3d11_decoder)) {
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GST_ERROR_OBJECT (self, "Failed to open decoder");
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return FALSE;
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}
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gst_d3d11_h264_dec_reset (self);
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return TRUE;
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}
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static gboolean
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gst_d3d11_h264_dec_close (GstVideoDecoder * decoder)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
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GstD3D11H264DecInner *inner = self->inner;
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gst_clear_object (&inner->d3d11_decoder);
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gst_clear_object (&inner->device);
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return TRUE;
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}
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static gboolean
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gst_d3d11_h264_dec_negotiate (GstVideoDecoder * decoder)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
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GstD3D11H264DecInner *inner = self->inner;
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if (!gst_d3d11_decoder_negotiate (inner->d3d11_decoder, decoder))
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return FALSE;
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return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
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}
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static gboolean
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gst_d3d11_h264_dec_decide_allocation (GstVideoDecoder * decoder,
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GstQuery * query)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
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GstD3D11H264DecInner *inner = self->inner;
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if (!gst_d3d11_decoder_decide_allocation (inner->d3d11_decoder,
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decoder, query)) {
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return FALSE;
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}
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return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
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(decoder, query);
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}
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static gboolean
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gst_d3d11_h264_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
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GstD3D11H264DecInner *inner = self->inner;
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_CONTEXT:
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if (gst_d3d11_handle_context_query (GST_ELEMENT (decoder),
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query, inner->device)) {
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return TRUE;
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}
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break;
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default:
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break;
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}
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return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
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}
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static gboolean
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gst_d3d11_h264_dec_sink_event (GstVideoDecoder * decoder, GstEvent * event)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
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GstD3D11H264DecInner *inner = self->inner;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_FLUSH_START:
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if (inner->d3d11_decoder)
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gst_d3d11_decoder_set_flushing (inner->d3d11_decoder, decoder, TRUE);
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break;
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case GST_EVENT_FLUSH_STOP:
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if (inner->d3d11_decoder)
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gst_d3d11_decoder_set_flushing (inner->d3d11_decoder, decoder, FALSE);
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default:
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break;
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}
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return GST_VIDEO_DECODER_CLASS (parent_class)->sink_event (decoder, event);
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}
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static GstFlowReturn
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gst_d3d11_h264_dec_new_sequence (GstH264Decoder * decoder,
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const GstH264SPS * sps, gint max_dpb_size)
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{
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GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
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GstD3D11H264DecInner *inner = self->inner;
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gint crop_width, crop_height;
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gboolean interlaced;
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gboolean modified = FALSE;
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GST_LOG_OBJECT (self, "new sequence");
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if (sps->frame_cropping_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 (inner->width != crop_width || inner->height != crop_height ||
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inner->coded_width != sps->width || inner->coded_height != sps->height) {
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GST_INFO_OBJECT (self, "resolution changed %dx%d (%dx%d)",
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crop_width, crop_height, sps->width, sps->height);
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inner->width = crop_width;
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inner->height = crop_height;
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inner->coded_width = sps->width;
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inner->coded_height = sps->height;
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modified = TRUE;
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}
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if (inner->bitdepth != sps->bit_depth_luma_minus8 + 8) {
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GST_INFO_OBJECT (self, "bitdepth changed");
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inner->bitdepth = (guint) sps->bit_depth_luma_minus8 + 8;
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modified = TRUE;
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}
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if (inner->chroma_format_idc != sps->chroma_format_idc) {
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GST_INFO_OBJECT (self, "chroma format changed");
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inner->chroma_format_idc = sps->chroma_format_idc;
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modified = TRUE;
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}
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interlaced = !sps->frame_mbs_only_flag;
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if (inner->interlaced != interlaced) {
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GST_INFO_OBJECT (self, "interlaced sequence changed");
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inner->interlaced = interlaced;
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modified = TRUE;
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}
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if (inner->max_dpb_size < max_dpb_size) {
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GST_INFO_OBJECT (self, "Requires larger DPB size (%d -> %d)",
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inner->max_dpb_size, max_dpb_size);
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modified = TRUE;
|
|
}
|
|
|
|
if (modified || !gst_d3d11_decoder_is_configured (inner->d3d11_decoder)) {
|
|
GstVideoInfo info;
|
|
|
|
inner->out_format = GST_VIDEO_FORMAT_UNKNOWN;
|
|
|
|
if (inner->bitdepth == 8) {
|
|
if (inner->chroma_format_idc == 1)
|
|
inner->out_format = GST_VIDEO_FORMAT_NV12;
|
|
else {
|
|
GST_FIXME_OBJECT (self, "Could not support 8bits non-4:2:0 format");
|
|
}
|
|
}
|
|
|
|
if (inner->out_format == GST_VIDEO_FORMAT_UNKNOWN) {
|
|
GST_ERROR_OBJECT (self, "Could not support bitdepth/chroma format");
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
|
|
gst_video_info_set_format (&info,
|
|
inner->out_format, inner->width, inner->height);
|
|
if (inner->interlaced)
|
|
GST_VIDEO_INFO_INTERLACE_MODE (&info) = GST_VIDEO_INTERLACE_MODE_MIXED;
|
|
|
|
/* Store configured DPB size here. Then, it will be referenced later
|
|
* to decide whether we need to re-open decoder object or not.
|
|
* For instance, if every configuration is same apart from DPB size and
|
|
* new DPB size is decreased, we can reuse existing decoder object.
|
|
*/
|
|
inner->max_dpb_size = max_dpb_size;
|
|
if (!gst_d3d11_decoder_configure (inner->d3d11_decoder,
|
|
decoder->input_state, &info,
|
|
inner->coded_width, inner->coded_height, max_dpb_size)) {
|
|
GST_ERROR_OBJECT (self, "Failed to create decoder");
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
|
|
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
|
|
GST_ERROR_OBJECT (self, "Failed to negotiate with downstream");
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
}
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_h264_dec_new_picture (GstH264Decoder * decoder,
|
|
GstVideoCodecFrame * frame, GstH264Picture * picture)
|
|
{
|
|
GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
|
|
GstD3D11H264DecInner *inner = self->inner;
|
|
GstBuffer *view_buffer;
|
|
|
|
view_buffer = gst_d3d11_decoder_get_output_view_buffer (inner->d3d11_decoder,
|
|
GST_VIDEO_DECODER (decoder));
|
|
if (!view_buffer) {
|
|
GST_DEBUG_OBJECT (self, "No available output view buffer");
|
|
return GST_FLOW_FLUSHING;
|
|
}
|
|
|
|
GST_LOG_OBJECT (self, "New output view buffer %" GST_PTR_FORMAT, view_buffer);
|
|
|
|
gst_h264_picture_set_user_data (picture,
|
|
view_buffer, (GDestroyNotify) gst_buffer_unref);
|
|
|
|
GST_LOG_OBJECT (self, "New h264picture %p", picture);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_h264_dec_new_field_picture (GstH264Decoder * decoder,
|
|
GstH264Picture * first_field, GstH264Picture * second_field)
|
|
{
|
|
GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
|
|
GstBuffer *view_buffer;
|
|
|
|
view_buffer = (GstBuffer *) gst_h264_picture_get_user_data (first_field);
|
|
|
|
if (!view_buffer) {
|
|
GST_WARNING_OBJECT (self, "First picture does not have output view buffer");
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
GST_LOG_OBJECT (self, "New field picture with buffer %" GST_PTR_FORMAT,
|
|
view_buffer);
|
|
|
|
gst_h264_picture_set_user_data (second_field,
|
|
gst_buffer_ref (view_buffer), (GDestroyNotify) gst_buffer_unref);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static ID3D11VideoDecoderOutputView *
|
|
gst_d3d11_h264_dec_get_output_view_from_picture (GstD3D11H264Dec * self,
|
|
GstH264Picture * picture, guint8 * view_id)
|
|
{
|
|
GstD3D11H264DecInner *inner = self->inner;
|
|
GstBuffer *view_buffer;
|
|
ID3D11VideoDecoderOutputView *view;
|
|
|
|
view_buffer = (GstBuffer *) gst_h264_picture_get_user_data (picture);
|
|
if (!view_buffer) {
|
|
GST_DEBUG_OBJECT (self, "current picture does not have output view buffer");
|
|
return NULL;
|
|
}
|
|
|
|
view = gst_d3d11_decoder_get_output_view_from_buffer (inner->d3d11_decoder,
|
|
view_buffer, view_id);
|
|
if (!view) {
|
|
GST_DEBUG_OBJECT (self, "current picture does not have output view handle");
|
|
return NULL;
|
|
}
|
|
|
|
return view;
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_h264_dec_picture_params_from_sps (GstD3D11H264Dec * self,
|
|
const GstH264SPS * sps, gboolean field_pic, DXVA_PicParams_H264 * params)
|
|
{
|
|
#define COPY_FIELD(f) \
|
|
(params)->f = (sps)->f
|
|
|
|
params->wFrameWidthInMbsMinus1 = sps->pic_width_in_mbs_minus1;
|
|
if (!sps->frame_mbs_only_flag) {
|
|
params->wFrameHeightInMbsMinus1 =
|
|
((sps->pic_height_in_map_units_minus1 + 1) << 1) - 1;
|
|
} else {
|
|
params->wFrameHeightInMbsMinus1 = sps->pic_height_in_map_units_minus1;
|
|
}
|
|
params->residual_colour_transform_flag = sps->separate_colour_plane_flag;
|
|
params->MbaffFrameFlag = (sps->mb_adaptive_frame_field_flag && !field_pic);
|
|
params->field_pic_flag = field_pic;
|
|
params->MinLumaBipredSize8x8Flag = sps->level_idc >= 31;
|
|
|
|
COPY_FIELD (num_ref_frames);
|
|
COPY_FIELD (chroma_format_idc);
|
|
COPY_FIELD (frame_mbs_only_flag);
|
|
COPY_FIELD (bit_depth_luma_minus8);
|
|
COPY_FIELD (bit_depth_chroma_minus8);
|
|
COPY_FIELD (log2_max_frame_num_minus4);
|
|
COPY_FIELD (pic_order_cnt_type);
|
|
COPY_FIELD (log2_max_pic_order_cnt_lsb_minus4);
|
|
COPY_FIELD (delta_pic_order_always_zero_flag);
|
|
COPY_FIELD (direct_8x8_inference_flag);
|
|
|
|
#undef COPY_FIELD
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_h264_dec_picture_params_from_pps (GstD3D11H264Dec * self,
|
|
const GstH264PPS * pps, DXVA_PicParams_H264 * params)
|
|
{
|
|
#define COPY_FIELD(f) \
|
|
(params)->f = (pps)->f
|
|
|
|
COPY_FIELD (constrained_intra_pred_flag);
|
|
COPY_FIELD (weighted_pred_flag);
|
|
COPY_FIELD (weighted_bipred_idc);
|
|
COPY_FIELD (transform_8x8_mode_flag);
|
|
COPY_FIELD (pic_init_qs_minus26);
|
|
COPY_FIELD (chroma_qp_index_offset);
|
|
COPY_FIELD (second_chroma_qp_index_offset);
|
|
COPY_FIELD (pic_init_qp_minus26);
|
|
COPY_FIELD (num_ref_idx_l0_active_minus1);
|
|
COPY_FIELD (num_ref_idx_l1_active_minus1);
|
|
COPY_FIELD (entropy_coding_mode_flag);
|
|
COPY_FIELD (pic_order_present_flag);
|
|
COPY_FIELD (deblocking_filter_control_present_flag);
|
|
COPY_FIELD (redundant_pic_cnt_present_flag);
|
|
COPY_FIELD (num_slice_groups_minus1);
|
|
COPY_FIELD (slice_group_map_type);
|
|
|
|
#undef COPY_FIELD
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_h264_dec_picture_params_from_slice_header (GstD3D11H264Dec *
|
|
self, const GstH264SliceHdr * slice_header, DXVA_PicParams_H264 * params)
|
|
{
|
|
params->sp_for_switch_flag = slice_header->sp_for_switch_flag;
|
|
params->field_pic_flag = slice_header->field_pic_flag;
|
|
params->CurrPic.AssociatedFlag = slice_header->bottom_field_flag;
|
|
params->IntraPicFlag =
|
|
GST_H264_IS_I_SLICE (slice_header) || GST_H264_IS_SI_SLICE (slice_header);
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_h264_dec_fill_picture_params (GstD3D11H264Dec * self,
|
|
const GstH264SliceHdr * slice_header, DXVA_PicParams_H264 * params)
|
|
{
|
|
const GstH264SPS *sps;
|
|
const GstH264PPS *pps;
|
|
|
|
g_return_val_if_fail (slice_header->pps != NULL, FALSE);
|
|
g_return_val_if_fail (slice_header->pps->sequence != NULL, FALSE);
|
|
|
|
pps = slice_header->pps;
|
|
sps = pps->sequence;
|
|
|
|
params->MbsConsecutiveFlag = 1;
|
|
params->Reserved16Bits = 3;
|
|
params->ContinuationFlag = 1;
|
|
params->Reserved8BitsA = 0;
|
|
params->Reserved8BitsB = 0;
|
|
params->StatusReportFeedbackNumber = 1;
|
|
|
|
gst_d3d11_h264_dec_picture_params_from_sps (self,
|
|
sps, slice_header->field_pic_flag, params);
|
|
gst_d3d11_h264_dec_picture_params_from_pps (self, pps, params);
|
|
gst_d3d11_h264_dec_picture_params_from_slice_header (self,
|
|
slice_header, params);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static inline void
|
|
init_pic_params (DXVA_PicParams_H264 * params)
|
|
{
|
|
memset (params, 0, sizeof (DXVA_PicParams_H264));
|
|
for (guint i = 0; i < G_N_ELEMENTS (params->RefFrameList); i++)
|
|
params->RefFrameList[i].bPicEntry = 0xff;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_h264_dec_start_picture (GstH264Decoder * decoder,
|
|
GstH264Picture * picture, GstH264Slice * slice, GstH264Dpb * dpb)
|
|
{
|
|
GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
|
|
GstD3D11H264DecInner *inner = self->inner;
|
|
DXVA_PicParams_H264 *pic_params = &inner->pic_params;
|
|
DXVA_Qmatrix_H264 *iq_matrix = &inner->iq_matrix;
|
|
ID3D11VideoDecoderOutputView *view;
|
|
guint8 view_id = 0xff;
|
|
GArray *dpb_array;
|
|
GstH264PPS *pps;
|
|
guint i, j;
|
|
|
|
pps = slice->header.pps;
|
|
|
|
view = gst_d3d11_h264_dec_get_output_view_from_picture (self, picture,
|
|
&view_id);
|
|
if (!view) {
|
|
GST_ERROR_OBJECT (self, "current picture does not have output view handle");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
init_pic_params (pic_params);
|
|
gst_d3d11_h264_dec_fill_picture_params (self, &slice->header, pic_params);
|
|
|
|
pic_params->CurrPic.Index7Bits = view_id;
|
|
pic_params->RefPicFlag = GST_H264_PICTURE_IS_REF (picture);
|
|
pic_params->frame_num = picture->frame_num;
|
|
|
|
if (picture->field == GST_H264_PICTURE_FIELD_TOP_FIELD) {
|
|
pic_params->CurrFieldOrderCnt[0] = picture->top_field_order_cnt;
|
|
pic_params->CurrFieldOrderCnt[1] = 0;
|
|
} else if (picture->field == GST_H264_PICTURE_FIELD_BOTTOM_FIELD) {
|
|
pic_params->CurrFieldOrderCnt[0] = 0;
|
|
pic_params->CurrFieldOrderCnt[1] = picture->bottom_field_order_cnt;
|
|
} else {
|
|
pic_params->CurrFieldOrderCnt[0] = picture->top_field_order_cnt;
|
|
pic_params->CurrFieldOrderCnt[1] = picture->bottom_field_order_cnt;
|
|
}
|
|
|
|
dpb_array = gst_h264_dpb_get_pictures_all (dpb);
|
|
for (i = 0, j = 0; i < dpb_array->len && j < 16; i++) {
|
|
GstH264Picture *other = g_array_index (dpb_array, GstH264Picture *, i);
|
|
guint8 id = 0xff;
|
|
|
|
if (!GST_H264_PICTURE_IS_REF (other))
|
|
continue;
|
|
|
|
/* The second field picture will be handled differently */
|
|
if (other->second_field)
|
|
continue;
|
|
|
|
gst_d3d11_h264_dec_get_output_view_from_picture (self, other, &id);
|
|
pic_params->RefFrameList[j].Index7Bits = id;
|
|
|
|
if (GST_H264_PICTURE_IS_LONG_TERM_REF (other)) {
|
|
pic_params->RefFrameList[j].AssociatedFlag = 1;
|
|
pic_params->FrameNumList[j] = other->long_term_frame_idx;
|
|
} else {
|
|
pic_params->RefFrameList[j].AssociatedFlag = 0;
|
|
pic_params->FrameNumList[j] = other->frame_num;
|
|
}
|
|
|
|
switch (other->field) {
|
|
case GST_H264_PICTURE_FIELD_TOP_FIELD:
|
|
pic_params->FieldOrderCntList[j][0] = other->top_field_order_cnt;
|
|
pic_params->UsedForReferenceFlags |= 0x1 << (2 * j);
|
|
break;
|
|
case GST_H264_PICTURE_FIELD_BOTTOM_FIELD:
|
|
pic_params->FieldOrderCntList[j][1] = other->bottom_field_order_cnt;
|
|
pic_params->UsedForReferenceFlags |= 0x1 << (2 * j + 1);
|
|
break;
|
|
default:
|
|
pic_params->FieldOrderCntList[j][0] = other->top_field_order_cnt;
|
|
pic_params->FieldOrderCntList[j][1] = other->bottom_field_order_cnt;
|
|
pic_params->UsedForReferenceFlags |= 0x3 << (2 * j);
|
|
break;
|
|
}
|
|
|
|
if (other->other_field) {
|
|
GstH264Picture *other_field = other->other_field;
|
|
|
|
switch (other_field->field) {
|
|
case GST_H264_PICTURE_FIELD_TOP_FIELD:
|
|
pic_params->FieldOrderCntList[j][0] =
|
|
other_field->top_field_order_cnt;
|
|
pic_params->UsedForReferenceFlags |= 0x1 << (2 * j);
|
|
break;
|
|
case GST_H264_PICTURE_FIELD_BOTTOM_FIELD:
|
|
pic_params->FieldOrderCntList[j][1] =
|
|
other_field->bottom_field_order_cnt;
|
|
pic_params->UsedForReferenceFlags |= 0x1 << (2 * j + 1);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
pic_params->NonExistingFrameFlags |= (other->nonexisting) << j;
|
|
j++;
|
|
}
|
|
g_array_unref (dpb_array);
|
|
|
|
G_STATIC_ASSERT (sizeof (iq_matrix->bScalingLists4x4) ==
|
|
sizeof (pps->scaling_lists_4x4));
|
|
memcpy (iq_matrix->bScalingLists4x4, pps->scaling_lists_4x4,
|
|
sizeof (pps->scaling_lists_4x4));
|
|
|
|
G_STATIC_ASSERT (sizeof (iq_matrix->bScalingLists8x8[0]) ==
|
|
sizeof (pps->scaling_lists_8x8[0]));
|
|
memcpy (iq_matrix->bScalingLists8x8[0], pps->scaling_lists_8x8[0],
|
|
sizeof (pps->scaling_lists_8x8[0]));
|
|
memcpy (iq_matrix->bScalingLists8x8[1], pps->scaling_lists_8x8[1],
|
|
sizeof (pps->scaling_lists_8x8[1]));
|
|
|
|
inner->slice_list.resize (0);
|
|
inner->bitstream_buffer.resize (0);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_h264_dec_decode_slice (GstH264Decoder * decoder,
|
|
GstH264Picture * picture, GstH264Slice * slice, GArray * ref_pic_list0,
|
|
GArray * ref_pic_list1)
|
|
{
|
|
GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
|
|
GstD3D11H264DecInner *inner = self->inner;
|
|
DXVA_Slice_H264_Short dxva_slice;
|
|
static const guint8 start_code[] = { 0, 0, 1 };
|
|
const size_t start_code_size = sizeof (start_code);
|
|
|
|
dxva_slice.BSNALunitDataLocation = inner->bitstream_buffer.size ();
|
|
/* Includes 3 bytes start code prefix */
|
|
dxva_slice.SliceBytesInBuffer = slice->nalu.size + start_code_size;
|
|
dxva_slice.wBadSliceChopping = 0;
|
|
|
|
inner->slice_list.push_back (dxva_slice);
|
|
|
|
size_t pos = inner->bitstream_buffer.size ();
|
|
inner->bitstream_buffer.resize (pos + start_code_size + slice->nalu.size);
|
|
|
|
/* Fill start code prefix */
|
|
memcpy (&inner->bitstream_buffer[0] + pos, start_code, start_code_size);
|
|
|
|
/* Copy bitstream */
|
|
memcpy (&inner->bitstream_buffer[0] + pos + start_code_size,
|
|
slice->nalu.data + slice->nalu.offset, slice->nalu.size);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_h264_dec_end_picture (GstH264Decoder * decoder,
|
|
GstH264Picture * picture)
|
|
{
|
|
GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
|
|
GstD3D11H264DecInner *inner = self->inner;
|
|
ID3D11VideoDecoderOutputView *view;
|
|
guint8 view_id = 0xff;
|
|
size_t bitstream_buffer_size;
|
|
size_t bitstream_pos;
|
|
GstD3D11DecodeInputStreamArgs input_args;
|
|
|
|
GST_LOG_OBJECT (self, "end picture %p, (poc %d)",
|
|
picture, picture->pic_order_cnt);
|
|
|
|
if (inner->bitstream_buffer.empty () || inner->slice_list.empty ()) {
|
|
GST_ERROR_OBJECT (self, "No bitstream buffer to submit");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
view = gst_d3d11_h264_dec_get_output_view_from_picture (self, picture,
|
|
&view_id);
|
|
if (!view) {
|
|
GST_ERROR_OBJECT (self, "current picture does not have output view handle");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
memset (&input_args, 0, sizeof (GstD3D11DecodeInputStreamArgs));
|
|
|
|
bitstream_pos = inner->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 */
|
|
inner->bitstream_buffer.resize (bitstream_buffer_size, 0);
|
|
|
|
DXVA_Slice_H264_Short & slice = inner->slice_list.back ();
|
|
slice.SliceBytesInBuffer += padding;
|
|
}
|
|
|
|
input_args.picture_params = &inner->pic_params;
|
|
input_args.picture_params_size = sizeof (DXVA_PicParams_H264);
|
|
input_args.slice_control = &inner->slice_list[0];
|
|
input_args.slice_control_size =
|
|
sizeof (DXVA_Slice_H264_Short) * inner->slice_list.size ();
|
|
input_args.bitstream = &inner->bitstream_buffer[0];
|
|
input_args.bitstream_size = inner->bitstream_buffer.size ();
|
|
input_args.inverse_quantization_matrix = &inner->iq_matrix;
|
|
input_args.inverse_quantization_matrix_size = sizeof (DXVA_Qmatrix_H264);
|
|
|
|
if (!gst_d3d11_decoder_decode_frame (inner->d3d11_decoder, view, &input_args))
|
|
return GST_FLOW_ERROR;
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_h264_dec_output_picture (GstH264Decoder * decoder,
|
|
GstVideoCodecFrame * frame, GstH264Picture * picture)
|
|
{
|
|
GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
|
|
GstD3D11H264DecInner *inner = self->inner;
|
|
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
|
|
GstBuffer *view_buffer;
|
|
|
|
GST_LOG_OBJECT (self,
|
|
"Outputting picture %p (poc %d)", picture, picture->pic_order_cnt);
|
|
|
|
view_buffer = (GstBuffer *) gst_h264_picture_get_user_data (picture);
|
|
|
|
if (!view_buffer) {
|
|
GST_ERROR_OBJECT (self, "Could not get output view");
|
|
goto error;
|
|
}
|
|
|
|
if (!gst_d3d11_decoder_process_output (inner->d3d11_decoder, vdec,
|
|
inner->width, inner->height, view_buffer, &frame->output_buffer)) {
|
|
GST_ERROR_OBJECT (self, "Failed to copy buffer");
|
|
goto error;
|
|
}
|
|
|
|
if (picture->buffer_flags != 0) {
|
|
gboolean interlaced =
|
|
(picture->buffer_flags & GST_VIDEO_BUFFER_FLAG_INTERLACED) != 0;
|
|
gboolean tff = (picture->buffer_flags & GST_VIDEO_BUFFER_FLAG_TFF) != 0;
|
|
|
|
GST_TRACE_OBJECT (self,
|
|
"apply buffer flags 0x%x (interlaced %d, top-field-first %d)",
|
|
picture->buffer_flags, interlaced, tff);
|
|
GST_BUFFER_FLAG_SET (frame->output_buffer, picture->buffer_flags);
|
|
}
|
|
|
|
gst_h264_picture_unref (picture);
|
|
|
|
return gst_video_decoder_finish_frame (vdec, frame);
|
|
|
|
error:
|
|
gst_h264_picture_unref (picture);
|
|
gst_video_decoder_release_frame (vdec, frame);
|
|
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
void
|
|
gst_d3d11_h264_dec_register (GstPlugin * plugin, GstD3D11Device * device,
|
|
guint rank, gboolean legacy)
|
|
{
|
|
GType type;
|
|
gchar *type_name;
|
|
gchar *feature_name;
|
|
guint index = 0;
|
|
guint i;
|
|
gboolean ret;
|
|
GTypeInfo type_info = {
|
|
sizeof (GstD3D11H264DecClass),
|
|
NULL,
|
|
NULL,
|
|
(GClassInitFunc) gst_d3d11_h264_dec_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstD3D11H264Dec),
|
|
0,
|
|
(GInstanceInitFunc) gst_d3d11_h264_dec_init,
|
|
};
|
|
const GUID *supported_profile = NULL;
|
|
GstCaps *sink_caps = NULL;
|
|
GstCaps *src_caps = NULL;
|
|
guint max_width = 0;
|
|
guint max_height = 0;
|
|
guint resolution;
|
|
|
|
ret = gst_d3d11_decoder_get_supported_decoder_profile (device,
|
|
GST_DXVA_CODEC_H264, GST_VIDEO_FORMAT_NV12, &supported_profile);
|
|
|
|
if (!ret) {
|
|
GST_WARNING_OBJECT (device, "decoder profile unavailable");
|
|
return;
|
|
}
|
|
|
|
ret =
|
|
gst_d3d11_decoder_supports_format (device, supported_profile,
|
|
DXGI_FORMAT_NV12);
|
|
if (!ret) {
|
|
GST_FIXME_OBJECT (device, "device does not support NV12 format");
|
|
return;
|
|
}
|
|
|
|
/* we will not check the maximum resolution for legacy devices.
|
|
* it might cause crash */
|
|
if (legacy) {
|
|
max_width = gst_dxva_resolutions[0].width;
|
|
max_height = gst_dxva_resolutions[0].height;
|
|
} else {
|
|
for (i = 0; i < G_N_ELEMENTS (gst_dxva_resolutions); i++) {
|
|
if (gst_d3d11_decoder_supports_resolution (device, supported_profile,
|
|
DXGI_FORMAT_NV12, gst_dxva_resolutions[i].width,
|
|
gst_dxva_resolutions[i].height)) {
|
|
max_width = gst_dxva_resolutions[i].width;
|
|
max_height = gst_dxva_resolutions[i].height;
|
|
|
|
GST_DEBUG_OBJECT (device,
|
|
"device support resolution %dx%d", max_width, max_height);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (max_width == 0 || max_height == 0) {
|
|
GST_WARNING_OBJECT (device, "Couldn't query supported resolution");
|
|
return;
|
|
}
|
|
|
|
sink_caps = gst_caps_from_string ("video/x-h264, "
|
|
"stream-format= (string) { avc, avc3, byte-stream }, "
|
|
"alignment= (string) au, "
|
|
"profile = (string) { high, progressive-high, constrained-high, main, constrained-baseline, baseline }");
|
|
src_caps = gst_caps_from_string ("video/x-raw("
|
|
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY "), format = (string) NV12; "
|
|
"video/x-raw, format = (string) NV12");
|
|
|
|
/* To cover both landscape and portrait, select max value */
|
|
resolution = MAX (max_width, max_height);
|
|
|
|
type_info.class_data =
|
|
gst_d3d11_decoder_class_data_new (device, GST_DXVA_CODEC_H264,
|
|
sink_caps, src_caps, resolution);
|
|
|
|
type_name = g_strdup ("GstD3D11H264Dec");
|
|
feature_name = g_strdup ("d3d11h264dec");
|
|
|
|
while (g_type_from_name (type_name)) {
|
|
index++;
|
|
g_free (type_name);
|
|
g_free (feature_name);
|
|
type_name = g_strdup_printf ("GstD3D11H264Device%dDec", index);
|
|
feature_name = g_strdup_printf ("d3d11h264device%ddec", index);
|
|
}
|
|
|
|
type = g_type_register_static (GST_TYPE_H264_DECODER,
|
|
type_name, &type_info, (GTypeFlags) 0);
|
|
|
|
/* make lower rank than default device */
|
|
if (rank > 0 && index != 0)
|
|
rank--;
|
|
|
|
if (index != 0)
|
|
gst_element_type_set_skip_documentation (type);
|
|
|
|
if (!gst_element_register (plugin, feature_name, rank, type))
|
|
GST_WARNING ("Failed to register plugin '%s'", type_name);
|
|
|
|
g_free (type_name);
|
|
g_free (feature_name);
|
|
}
|