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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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349f8de13e
Update output caps if it's notified by baseclass Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3328>
757 lines
24 KiB
C++
757 lines
24 KiB
C++
/* GStreamer
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* Copyright (C) 2020 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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/**
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* SECTION:element-d3d11vp8dec
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* @title: d3d11vp8dec
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*
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* A Direct3D11/DXVA based VP8 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/vp8/file ! parsebin ! d3d11vp8dec ! 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 "gstd3d11vp8dec.h"
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#include <gst/codecs/gstvp8decoder.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_vp8_dec_debug);
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#define GST_CAT_DEFAULT gst_d3d11_vp8_dec_debug
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/* *INDENT-OFF* */
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typedef struct _GstD3D11Vp8DecInner
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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_VP8 pic_params;
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DXVA_Slice_VPx_Short slice;
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/* In case of VP8, there's only one slice per picture so we don't
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* need this bitstream buffer, but this will be used for 128 bytes alignment */
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std::vector<guint8> bitstream_buffer;
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guint width = 0;
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guint height = 0;
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GstVideoFormat out_format = GST_VIDEO_FORMAT_UNKNOWN;
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} GstD3D11Vp8DecInner;
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/* *INDENT-ON* */
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typedef struct _GstD3D11Vp8Dec
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{
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GstVp8Decoder parent;
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GstD3D11Vp8DecInner *inner;
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} GstD3D11Vp8Dec;
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typedef struct _GstD3D11Vp8DecClass
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{
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GstVp8DecoderClass parent_class;
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GstD3D11DecoderSubClassData class_data;
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} GstD3D11Vp8DecClass;
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static GstElementClass *parent_class = NULL;
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#define GST_D3D11_VP8_DEC(object) ((GstD3D11Vp8Dec *) (object))
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#define GST_D3D11_VP8_DEC_GET_CLASS(object) \
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(G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstD3D11Vp8DecClass))
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static void gst_d3d11_vp8_dec_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_d3d11_vp8_dec_finalize (GObject * object);
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static void gst_d3d11_vp8_dec_set_context (GstElement * element,
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GstContext * context);
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static gboolean gst_d3d11_vp8_dec_open (GstVideoDecoder * decoder);
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static gboolean gst_d3d11_vp8_dec_close (GstVideoDecoder * decoder);
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static gboolean gst_d3d11_vp8_dec_negotiate (GstVideoDecoder * decoder);
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static gboolean gst_d3d11_vp8_dec_decide_allocation (GstVideoDecoder *
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decoder, GstQuery * query);
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static gboolean gst_d3d11_vp8_dec_src_query (GstVideoDecoder * decoder,
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GstQuery * query);
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static gboolean gst_d3d11_vp8_sink_event (GstVideoDecoder * decoder,
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GstEvent * event);
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/* GstVp8Decoder */
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static GstFlowReturn gst_d3d11_vp8_dec_new_sequence (GstVp8Decoder * decoder,
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const GstVp8FrameHdr * frame_hdr, gint max_dpb_size);
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static GstFlowReturn gst_d3d11_vp8_dec_new_picture (GstVp8Decoder * decoder,
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GstVideoCodecFrame * frame, GstVp8Picture * picture);
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static GstFlowReturn gst_d3d11_vp8_dec_start_picture (GstVp8Decoder * decoder,
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GstVp8Picture * picture);
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static GstFlowReturn gst_d3d11_vp8_dec_decode_picture (GstVp8Decoder * decoder,
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GstVp8Picture * picture, GstVp8Parser * parser);
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static GstFlowReturn gst_d3d11_vp8_dec_end_picture (GstVp8Decoder * decoder,
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GstVp8Picture * picture);
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static GstFlowReturn gst_d3d11_vp8_dec_output_picture (GstVp8Decoder *
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decoder, GstVideoCodecFrame * frame, GstVp8Picture * picture);
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static void
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gst_d3d11_vp8_dec_class_init (GstD3D11Vp8DecClass * 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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GstVp8DecoderClass *vp8decoder_class = GST_VP8_DECODER_CLASS (klass);
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GstD3D11DecoderClassData *cdata = (GstD3D11DecoderClassData *) data;
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gobject_class->get_property = gst_d3d11_vp8_dec_get_property;
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gobject_class->finalize = gst_d3d11_vp8_dec_finalize;
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element_class->set_context =
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GST_DEBUG_FUNCPTR (gst_d3d11_vp8_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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* GstD3D11Vp8Dec: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_vp8_dec_open);
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decoder_class->close = GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_close);
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decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_negotiate);
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decoder_class->decide_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_decide_allocation);
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decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_src_query);
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decoder_class->sink_event = GST_DEBUG_FUNCPTR (gst_d3d11_vp8_sink_event);
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vp8decoder_class->new_sequence =
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GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_new_sequence);
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vp8decoder_class->new_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_new_picture);
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vp8decoder_class->start_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_start_picture);
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vp8decoder_class->decode_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_decode_picture);
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vp8decoder_class->end_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_end_picture);
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vp8decoder_class->output_picture =
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GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_output_picture);
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}
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static void
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gst_d3d11_vp8_dec_init (GstD3D11Vp8Dec * self)
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{
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self->inner = new GstD3D11Vp8DecInner ();
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}
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static void
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gst_d3d11_vp8_dec_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstD3D11Vp8DecClass *klass = GST_D3D11_VP8_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_vp8_dec_finalize (GObject * object)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_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_vp8_dec_set_context (GstElement * element, GstContext * context)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (element);
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GstD3D11Vp8DecInner *inner = self->inner;
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GstD3D11Vp8DecClass *klass = GST_D3D11_VP8_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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static gboolean
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gst_d3d11_vp8_dec_open (GstVideoDecoder * decoder)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *inner = self->inner;
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GstD3D11Vp8DecClass *klass = GST_D3D11_VP8_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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return TRUE;
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}
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static gboolean
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gst_d3d11_vp8_dec_close (GstVideoDecoder * decoder)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *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_vp8_dec_negotiate (GstVideoDecoder * decoder)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *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_vp8_dec_decide_allocation (GstVideoDecoder * decoder,
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GstQuery * query)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *inner = self->inner;
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if (!gst_d3d11_decoder_decide_allocation (inner->d3d11_decoder, decoder,
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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_vp8_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *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_vp8_sink_event (GstVideoDecoder * decoder, GstEvent * event)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *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_vp8_dec_new_sequence (GstVp8Decoder * decoder,
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const GstVp8FrameHdr * frame_hdr, gint max_dpb_size)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *inner = self->inner;
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GstVideoInfo info;
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GST_LOG_OBJECT (self, "new sequence");
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/* FIXME: support I420 */
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inner->out_format = GST_VIDEO_FORMAT_NV12;
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inner->width = frame_hdr->width;
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inner->height = frame_hdr->height;
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gst_video_info_set_format (&info,
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inner->out_format, inner->width, inner->height);
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if (!gst_d3d11_decoder_configure (inner->d3d11_decoder,
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decoder->input_state, &info, 0, 0, inner->width, inner->height,
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max_dpb_size)) {
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GST_ERROR_OBJECT (self, "Failed to create decoder");
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return GST_FLOW_NOT_NEGOTIATED;
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}
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if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
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GST_WARNING_OBJECT (self, "Failed to negotiate with downstream");
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return GST_FLOW_NOT_NEGOTIATED;
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}
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return GST_FLOW_OK;
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}
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static GstFlowReturn
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gst_d3d11_vp8_dec_new_picture (GstVp8Decoder * decoder,
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GstVideoCodecFrame * frame, GstVp8Picture * picture)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *inner = self->inner;
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GstBuffer *view_buffer;
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view_buffer = gst_d3d11_decoder_get_output_view_buffer (inner->d3d11_decoder,
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GST_VIDEO_DECODER (decoder));
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if (!view_buffer) {
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GST_DEBUG_OBJECT (self, "No available output view buffer");
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return GST_FLOW_FLUSHING;
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}
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GST_LOG_OBJECT (self, "New output view buffer %" GST_PTR_FORMAT, view_buffer);
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gst_vp8_picture_set_user_data (picture,
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view_buffer, (GDestroyNotify) gst_buffer_unref);
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GST_LOG_OBJECT (self, "New VP8 picture %p", picture);
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return GST_FLOW_OK;
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}
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static GstFlowReturn
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gst_d3d11_vp8_dec_start_picture (GstVp8Decoder * decoder,
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GstVp8Picture * picture)
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{
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GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
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GstD3D11Vp8DecInner *inner = self->inner;
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inner->bitstream_buffer.resize (0);
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return GST_FLOW_OK;
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}
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static ID3D11VideoDecoderOutputView *
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gst_d3d11_vp8_dec_get_output_view_from_picture (GstD3D11Vp8Dec * self,
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GstVp8Picture * picture, guint8 * view_id)
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{
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GstD3D11Vp8DecInner *inner = self->inner;
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GstBuffer *view_buffer;
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ID3D11VideoDecoderOutputView *view;
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view_buffer = (GstBuffer *) gst_vp8_picture_get_user_data (picture);
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if (!view_buffer) {
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GST_DEBUG_OBJECT (self, "current picture does not have output view buffer");
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return NULL;
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}
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view =
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gst_d3d11_decoder_get_output_view_from_buffer (inner->d3d11_decoder,
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view_buffer, view_id);
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if (!view) {
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GST_DEBUG_OBJECT (self, "current picture does not have output view handle");
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return NULL;
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}
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return view;
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}
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static void
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gst_d3d11_vp8_dec_copy_frame_params (GstD3D11Vp8Dec * self,
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GstVp8Picture * picture, GstVp8Parser * parser, DXVA_PicParams_VP8 * params)
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{
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const GstVp8FrameHdr *frame_hdr = &picture->frame_hdr;
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gint i;
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/* 0: keyframe, 1: inter */
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params->frame_type = !frame_hdr->key_frame;
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params->version = frame_hdr->version;
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params->show_frame = frame_hdr->show_frame;
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params->clamp_type = frame_hdr->clamping_type;
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params->filter_type = frame_hdr->filter_type;
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params->filter_level = frame_hdr->loop_filter_level;
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params->sharpness_level = frame_hdr->sharpness_level;
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params->mode_ref_lf_delta_enabled =
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parser->mb_lf_adjust.loop_filter_adj_enable;
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params->mode_ref_lf_delta_update =
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parser->mb_lf_adjust.mode_ref_lf_delta_update;
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for (i = 0; i < 4; i++) {
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params->ref_lf_deltas[i] = parser->mb_lf_adjust.ref_frame_delta[i];
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|
params->mode_lf_deltas[i] = parser->mb_lf_adjust.mb_mode_delta[i];
|
|
}
|
|
params->log2_nbr_of_dct_partitions = frame_hdr->log2_nbr_of_dct_partitions;
|
|
params->base_qindex = frame_hdr->quant_indices.y_ac_qi;
|
|
params->y1dc_delta_q = frame_hdr->quant_indices.y_dc_delta;
|
|
params->y2dc_delta_q = frame_hdr->quant_indices.y2_dc_delta;
|
|
params->y2ac_delta_q = frame_hdr->quant_indices.y2_ac_delta;
|
|
params->uvdc_delta_q = frame_hdr->quant_indices.uv_dc_delta;
|
|
params->uvac_delta_q = frame_hdr->quant_indices.uv_ac_delta;
|
|
|
|
params->ref_frame_sign_bias_golden = frame_hdr->sign_bias_golden;
|
|
params->ref_frame_sign_bias_altref = frame_hdr->sign_bias_alternate;
|
|
|
|
params->refresh_entropy_probs = frame_hdr->refresh_entropy_probs;
|
|
|
|
memcpy (params->vp8_coef_update_probs, frame_hdr->token_probs.prob,
|
|
sizeof (frame_hdr->token_probs.prob));
|
|
|
|
params->mb_no_coeff_skip = frame_hdr->mb_no_skip_coeff;
|
|
params->prob_skip_false = frame_hdr->prob_skip_false;
|
|
params->prob_intra = frame_hdr->prob_intra;
|
|
params->prob_last = frame_hdr->prob_last;
|
|
params->prob_golden = frame_hdr->prob_gf;
|
|
|
|
memcpy (params->intra_16x16_prob, frame_hdr->mode_probs.y_prob,
|
|
sizeof (frame_hdr->mode_probs.y_prob));
|
|
memcpy (params->intra_chroma_prob, frame_hdr->mode_probs.uv_prob,
|
|
sizeof (frame_hdr->mode_probs.uv_prob));
|
|
memcpy (params->vp8_mv_update_probs, frame_hdr->mv_probs.prob,
|
|
sizeof (frame_hdr->mv_probs.prob));
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_vp8_dec_copy_reference_frames (GstD3D11Vp8Dec * self,
|
|
DXVA_PicParams_VP8 * params)
|
|
{
|
|
GstVp8Decoder *decoder = GST_VP8_DECODER (self);
|
|
ID3D11VideoDecoderOutputView *view;
|
|
guint8 view_id = 0xff;
|
|
|
|
if (decoder->alt_ref_picture) {
|
|
view = gst_d3d11_vp8_dec_get_output_view_from_picture (self,
|
|
decoder->alt_ref_picture, &view_id);
|
|
if (!view) {
|
|
GST_ERROR_OBJECT (self, "picture does not have output view handle");
|
|
return;
|
|
}
|
|
|
|
params->alt_fb_idx.Index7Bits = view_id;
|
|
} else {
|
|
params->alt_fb_idx.bPicEntry = 0xff;
|
|
}
|
|
|
|
if (decoder->golden_ref_picture) {
|
|
view = gst_d3d11_vp8_dec_get_output_view_from_picture (self,
|
|
decoder->golden_ref_picture, &view_id);
|
|
if (!view) {
|
|
GST_ERROR_OBJECT (self, "picture does not have output view handle");
|
|
return;
|
|
}
|
|
|
|
params->gld_fb_idx.Index7Bits = view_id;
|
|
} else {
|
|
params->gld_fb_idx.bPicEntry = 0xff;
|
|
}
|
|
|
|
if (decoder->last_picture) {
|
|
view = gst_d3d11_vp8_dec_get_output_view_from_picture (self,
|
|
decoder->last_picture, &view_id);
|
|
if (!view) {
|
|
GST_ERROR_OBJECT (self, "picture does not have output view handle");
|
|
return;
|
|
}
|
|
|
|
params->lst_fb_idx.Index7Bits = view_id;
|
|
} else {
|
|
params->lst_fb_idx.bPicEntry = 0xff;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_vp8_dec_copy_segmentation_params (GstD3D11Vp8Dec * self,
|
|
GstVp8Parser * parser, DXVA_PicParams_VP8 * params)
|
|
{
|
|
const GstVp8Segmentation *seg = &parser->segmentation;
|
|
gint i;
|
|
|
|
params->stVP8Segments.segmentation_enabled = seg->segmentation_enabled;
|
|
params->stVP8Segments.update_mb_segmentation_map =
|
|
seg->update_mb_segmentation_map;
|
|
params->stVP8Segments.update_mb_segmentation_data =
|
|
seg->update_segment_feature_data;
|
|
params->stVP8Segments.mb_segement_abs_delta = seg->segment_feature_mode;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
params->stVP8Segments.segment_feature_data[0][i] =
|
|
seg->quantizer_update_value[i];
|
|
}
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
params->stVP8Segments.segment_feature_data[1][i] = seg->lf_update_value[i];
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
params->stVP8Segments.mb_segment_tree_probs[i] = seg->segment_prob[i];
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_vp8_dec_decode_picture (GstVp8Decoder * decoder,
|
|
GstVp8Picture * picture, GstVp8Parser * parser)
|
|
{
|
|
GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
|
|
GstD3D11Vp8DecInner *inner = self->inner;
|
|
DXVA_PicParams_VP8 *pic_params = &inner->pic_params;
|
|
DXVA_Slice_VPx_Short *slice = &inner->slice;
|
|
ID3D11VideoDecoderOutputView *view;
|
|
guint8 view_id = 0xff;
|
|
const GstVp8FrameHdr *frame_hdr = &picture->frame_hdr;
|
|
|
|
view = gst_d3d11_vp8_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 (pic_params, 0, sizeof (DXVA_PicParams_VP8));
|
|
|
|
pic_params->first_part_size = frame_hdr->first_part_size;
|
|
pic_params->width = inner->width;
|
|
pic_params->height = inner->height;
|
|
pic_params->CurrPic.Index7Bits = view_id;
|
|
pic_params->StatusReportFeedbackNumber = 1;
|
|
|
|
gst_d3d11_vp8_dec_copy_frame_params (self, picture, parser, pic_params);
|
|
gst_d3d11_vp8_dec_copy_reference_frames (self, pic_params);
|
|
gst_d3d11_vp8_dec_copy_segmentation_params (self, parser, pic_params);
|
|
|
|
inner->bitstream_buffer.resize (picture->size);
|
|
memcpy (&inner->bitstream_buffer[0], picture->data, picture->size);
|
|
|
|
slice->BSNALunitDataLocation = 0;
|
|
slice->SliceBytesInBuffer = inner->bitstream_buffer.size ();
|
|
slice->wBadSliceChopping = 0;
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_vp8_dec_end_picture (GstVp8Decoder * decoder, GstVp8Picture * picture)
|
|
{
|
|
GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
|
|
GstD3D11Vp8DecInner *inner = self->inner;
|
|
ID3D11VideoDecoderOutputView *view;
|
|
guint8 view_id = 0xff;
|
|
size_t bitstream_buffer_size;
|
|
size_t bitstream_pos;
|
|
GstD3D11DecodeInputStreamArgs input_args;
|
|
|
|
if (inner->bitstream_buffer.empty ()) {
|
|
GST_ERROR_OBJECT (self, "No bitstream buffer to submit");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
view = gst_d3d11_vp8_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);
|
|
|
|
inner->slice.SliceBytesInBuffer += padding;
|
|
}
|
|
|
|
input_args.picture_params = &inner->pic_params;
|
|
input_args.picture_params_size = sizeof (DXVA_PicParams_VP8);
|
|
input_args.slice_control = &inner->slice;
|
|
input_args.slice_control_size = sizeof (DXVA_Slice_VPx_Short);
|
|
input_args.bitstream = &inner->bitstream_buffer[0];
|
|
input_args.bitstream_size = inner->bitstream_buffer.size ();
|
|
|
|
return gst_d3d11_decoder_decode_frame (inner->d3d11_decoder,
|
|
view, &input_args);
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_vp8_dec_output_picture (GstVp8Decoder * decoder,
|
|
GstVideoCodecFrame * frame, GstVp8Picture * picture)
|
|
{
|
|
GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
|
|
GstD3D11Vp8DecInner *inner = self->inner;
|
|
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
|
|
GstBuffer *view_buffer;
|
|
|
|
g_assert (picture->frame_hdr.show_frame);
|
|
|
|
GST_LOG_OBJECT (self, "Outputting picture %p", picture);
|
|
|
|
view_buffer = (GstBuffer *) gst_vp8_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,
|
|
picture->discont_state, inner->width, inner->height, view_buffer,
|
|
&frame->output_buffer)) {
|
|
GST_ERROR_OBJECT (self, "Failed to copy buffer");
|
|
goto error;
|
|
}
|
|
|
|
gst_vp8_picture_unref (picture);
|
|
|
|
return gst_video_decoder_finish_frame (vdec, frame);
|
|
|
|
error:
|
|
gst_vp8_picture_unref (picture);
|
|
gst_video_decoder_release_frame (vdec, frame);
|
|
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
void
|
|
gst_d3d11_vp8_dec_register (GstPlugin * plugin, GstD3D11Device * device,
|
|
guint rank)
|
|
{
|
|
GType type;
|
|
gchar *type_name;
|
|
gchar *feature_name;
|
|
guint index = 0;
|
|
guint i;
|
|
GTypeInfo type_info = {
|
|
sizeof (GstD3D11Vp8DecClass),
|
|
NULL,
|
|
NULL,
|
|
(GClassInitFunc) gst_d3d11_vp8_dec_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstD3D11Vp8Dec),
|
|
0,
|
|
(GInstanceInitFunc) gst_d3d11_vp8_dec_init,
|
|
};
|
|
const GUID *profile_guid = NULL;
|
|
GstCaps *sink_caps = NULL;
|
|
GstCaps *src_caps = NULL;
|
|
guint max_width = 0;
|
|
guint max_height = 0;
|
|
guint resolution;
|
|
DXGI_FORMAT format = DXGI_FORMAT_NV12;
|
|
|
|
if (!gst_d3d11_decoder_get_supported_decoder_profile (device,
|
|
GST_DXVA_CODEC_VP8, GST_VIDEO_FORMAT_NV12, &profile_guid)) {
|
|
GST_INFO_OBJECT (device, "device does not support VP8 decoding");
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (gst_dxva_resolutions); i++) {
|
|
if (gst_d3d11_decoder_supports_resolution (device, profile_guid,
|
|
format, 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-vp8");
|
|
src_caps = gst_caps_from_string ("video/x-raw("
|
|
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY "); video/x-raw");
|
|
|
|
gst_caps_set_simple (src_caps, "format", G_TYPE_STRING, "NV12", NULL);
|
|
|
|
/* 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_VP8,
|
|
sink_caps, src_caps, resolution);
|
|
|
|
type_name = g_strdup ("GstD3D11Vp8Dec");
|
|
feature_name = g_strdup ("d3d11vp8dec");
|
|
|
|
while (g_type_from_name (type_name)) {
|
|
index++;
|
|
g_free (type_name);
|
|
g_free (feature_name);
|
|
type_name = g_strdup_printf ("GstD3D11Vp8Device%dDec", index);
|
|
feature_name = g_strdup_printf ("d3d11vp8device%ddec", index);
|
|
}
|
|
|
|
type = g_type_register_static (GST_TYPE_VP8_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);
|
|
}
|