gstreamer/subprojects/gst-plugins-bad/sys/d3d11/gstd3d11vp9dec.cpp

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/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* NOTE: some of implementations are copied/modified from Chromium code
*
* Copyright 2015 The Chromium Authors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* SECTION:element-d3d11vp9dec
* @title: d3d11vp9dec
*
* A Direct3D11/DXVA based VP9 video decoder
*
* ## Example launch line
* ```
* gst-launch-1.0 filesrc location=/path/to/vp9/file ! parsebin ! d3d11vp9dec ! d3d11videosink
* ```
*
* Since: 1.18
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "gstd3d11vp9dec.h"
#include "gstd3d11pluginutils.h"
#include <gst/codecs/gstvp9decoder.h>
#include <string.h>
#include <vector>
/* HACK: to expose dxva data structure on UWP */
#ifdef WINAPI_PARTITION_DESKTOP
#undef WINAPI_PARTITION_DESKTOP
#endif
#define WINAPI_PARTITION_DESKTOP 1
#include <d3d9.h>
#include <dxva.h>
GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_vp9_dec_debug);
#define GST_CAT_DEFAULT gst_d3d11_vp9_dec_debug
/* *INDENT-OFF* */
typedef struct _GstD3D11Vp9DecInner
{
GstD3D11Device *device = nullptr;
GstD3D11Decoder *d3d11_decoder = nullptr;
DXVA_PicParams_VP9 pic_params;
DXVA_Slice_VPx_Short slice;
/* In case of VP9, there's only one slice per picture so we don't
* need this bitstream buffer, but this will be used for 128 bytes alignment */
std::vector<guint8> bitstream_buffer;
/* To calculate use_prev_in_find_mv_refs */
guint last_frame_width = 0;
guint last_frame_height = 0;
gboolean last_show_frame = FALSE;
} GstD3D11Vp9DecInner;
/* *INDENT-ON* */
typedef struct _GstD3D11Vp9Dec
{
GstVp9Decoder parent;
GstD3D11Vp9DecInner *inner;
} GstD3D11Vp9Dec;
typedef struct _GstD3D11Vp9DecClass
{
GstVp9DecoderClass parent_class;
GstD3D11DecoderSubClassData class_data;
} GstD3D11Vp9DecClass;
static GstElementClass *parent_class = NULL;
#define GST_D3D11_VP9_DEC(object) ((GstD3D11Vp9Dec *) (object))
#define GST_D3D11_VP9_DEC_GET_CLASS(object) \
(G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstD3D11Vp9DecClass))
static void gst_d3d11_vp9_dec_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_d3d11_vp9_dec_finalize (GObject * object);
static void gst_d3d11_vp9_dec_set_context (GstElement * element,
GstContext * context);
static gboolean gst_d3d11_vp9_dec_open (GstVideoDecoder * decoder);
static gboolean gst_d3d11_vp9_dec_close (GstVideoDecoder * decoder);
static gboolean gst_d3d11_vp9_dec_negotiate (GstVideoDecoder * decoder);
static gboolean gst_d3d11_vp9_dec_decide_allocation (GstVideoDecoder *
decoder, GstQuery * query);
static gboolean gst_d3d11_vp9_dec_src_query (GstVideoDecoder * decoder,
GstQuery * query);
static gboolean gst_d3d11_vp9_dec_sink_event (GstVideoDecoder * decoder,
GstEvent * event);
/* GstVp9Decoder */
static GstFlowReturn gst_d3d11_vp9_dec_new_sequence (GstVp9Decoder * decoder,
const GstVp9FrameHeader * frame_hdr, gint max_dpb_size);
static GstFlowReturn gst_d3d11_vp9_dec_new_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture);
static GstVp9Picture *gst_d3d11_vp9_dec_duplicate_picture (GstVp9Decoder *
decoder, GstVideoCodecFrame * frame, GstVp9Picture * picture);
static GstFlowReturn gst_d3d11_vp9_dec_start_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture);
static GstFlowReturn gst_d3d11_vp9_dec_decode_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture, GstVp9Dpb * dpb);
static GstFlowReturn gst_d3d11_vp9_dec_end_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture);
static GstFlowReturn gst_d3d11_vp9_dec_output_picture (GstVp9Decoder *
decoder, GstVideoCodecFrame * frame, GstVp9Picture * picture);
static void
gst_d3d11_vp9_dec_class_init (GstD3D11Vp9DecClass * klass, gpointer data)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
GstVp9DecoderClass *vp9decoder_class = GST_VP9_DECODER_CLASS (klass);
GstD3D11DecoderClassData *cdata = (GstD3D11DecoderClassData *) data;
gobject_class->get_property = gst_d3d11_vp9_dec_get_property;
gobject_class->finalize = gst_d3d11_vp9_dec_finalize;
element_class->set_context =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_set_context);
parent_class = (GstElementClass *) g_type_class_peek_parent (klass);
gst_d3d11_decoder_class_data_fill_subclass_data (cdata, &klass->class_data);
/**
* GstD3D11Vp9Dec:adapter-luid:
*
* DXGI Adapter LUID for this element
*
* Since: 1.20
*/
gst_d3d11_decoder_proxy_class_init (element_class, cdata,
"Seungha Yang <seungha.yang@navercorp.com>");
decoder_class->open = GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_open);
decoder_class->close = GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_close);
decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_negotiate);
decoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_decide_allocation);
decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_src_query);
decoder_class->sink_event = GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_sink_event);
vp9decoder_class->new_sequence =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_new_sequence);
vp9decoder_class->new_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_new_picture);
vp9decoder_class->duplicate_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_duplicate_picture);
vp9decoder_class->start_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_start_picture);
vp9decoder_class->decode_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_decode_picture);
vp9decoder_class->end_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_end_picture);
vp9decoder_class->output_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_vp9_dec_output_picture);
}
static void
gst_d3d11_vp9_dec_init (GstD3D11Vp9Dec * self)
{
self->inner = new GstD3D11Vp9DecInner ();
}
static void
gst_d3d11_vp9_dec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstD3D11Vp9DecClass *klass = GST_D3D11_VP9_DEC_GET_CLASS (object);
GstD3D11DecoderSubClassData *cdata = &klass->class_data;
gst_d3d11_decoder_proxy_get_property (object, prop_id, value, pspec, cdata);
}
static void
gst_d3d11_vp9_dec_finalize (GObject * object)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (object);
delete self->inner;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_d3d11_vp9_dec_set_context (GstElement * element, GstContext * context)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (element);
GstD3D11Vp9DecInner *inner = self->inner;
GstD3D11Vp9DecClass *klass = GST_D3D11_VP9_DEC_GET_CLASS (self);
GstD3D11DecoderSubClassData *cdata = &klass->class_data;
gst_d3d11_handle_set_context_for_adapter_luid (element,
context, cdata->adapter_luid, &inner->device);
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static gboolean
gst_d3d11_vp9_dec_open (GstVideoDecoder * decoder)
{
GstVp9Decoder *vp9dec = GST_VP9_DECODER (decoder);
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
GstD3D11Vp9DecClass *klass = GST_D3D11_VP9_DEC_GET_CLASS (self);
GstD3D11DecoderSubClassData *cdata = &klass->class_data;
if (!gst_d3d11_decoder_proxy_open (decoder,
cdata, &inner->device, &inner->d3d11_decoder)) {
GST_ERROR_OBJECT (self, "Failed to open decoder");
return FALSE;
}
/* XXX: ConfigDecoderSpecific bit 12 indicates whether accelerator can
* support non-keyframe format change or not, but it doesn't seem to be
* reliable, since 1b means that it's supported and 0b indicates it may not be
* supported. Because some GPUs can support it even if the bit 12 is not
* set, do filtering by vendor for now (AMD and Intel looks fine) */
if (gst_d3d11_get_device_vendor (inner->device) ==
GST_D3D11_DEVICE_VENDOR_NVIDIA) {
gst_vp9_decoder_set_non_keyframe_format_change_support (vp9dec, FALSE);
}
return TRUE;
}
static gboolean
gst_d3d11_vp9_dec_close (GstVideoDecoder * decoder)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
gst_clear_object (&inner->d3d11_decoder);
gst_clear_object (&inner->device);
return TRUE;
}
static gboolean
gst_d3d11_vp9_dec_negotiate (GstVideoDecoder * decoder)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
if (!gst_d3d11_decoder_negotiate (inner->d3d11_decoder, decoder))
return FALSE;
return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
}
static gboolean
gst_d3d11_vp9_dec_decide_allocation (GstVideoDecoder * decoder,
GstQuery * query)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
if (!gst_d3d11_decoder_decide_allocation (inner->d3d11_decoder,
decoder, query)) {
return FALSE;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
(decoder, query);
}
static gboolean
gst_d3d11_vp9_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:
if (gst_d3d11_handle_context_query (GST_ELEMENT (decoder),
query, inner->device)) {
return TRUE;
}
break;
default:
break;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
}
static gboolean
gst_d3d11_vp9_dec_sink_event (GstVideoDecoder * decoder, GstEvent * event)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
if (inner->d3d11_decoder)
gst_d3d11_decoder_set_flushing (inner->d3d11_decoder, decoder, TRUE);
break;
case GST_EVENT_FLUSH_STOP:
if (inner->d3d11_decoder)
gst_d3d11_decoder_set_flushing (inner->d3d11_decoder, decoder, FALSE);
default:
break;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->sink_event (decoder, event);
}
static GstFlowReturn
gst_d3d11_vp9_dec_new_sequence (GstVp9Decoder * decoder,
const GstVp9FrameHeader * frame_hdr, gint max_dpb_size)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
GstVideoInfo info;
GstVideoFormat out_format = GST_VIDEO_FORMAT_UNKNOWN;
GST_LOG_OBJECT (self, "new sequence");
if (frame_hdr->profile == GST_VP9_PROFILE_0)
out_format = GST_VIDEO_FORMAT_NV12;
else if (frame_hdr->profile == GST_VP9_PROFILE_2)
out_format = GST_VIDEO_FORMAT_P010_10LE;
if (out_format == GST_VIDEO_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (self, "Could not support profile %d", frame_hdr->profile);
return GST_FLOW_NOT_NEGOTIATED;
}
gst_video_info_set_format (&info,
out_format, frame_hdr->width, frame_hdr->height);
if (!gst_d3d11_decoder_configure (inner->d3d11_decoder,
decoder->input_state, &info, 0, 0, (gint) frame_hdr->width,
(gint) frame_hdr->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_WARNING_OBJECT (self, "Failed to negotiate with downstream");
return GST_FLOW_NOT_NEGOTIATED;
}
/* Will be updated per decode_picture */
inner->last_frame_width = inner->last_frame_height = 0;
inner->last_show_frame = FALSE;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_d3d11_vp9_dec_new_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *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_vp9_picture_set_user_data (picture,
view_buffer, (GDestroyNotify) gst_buffer_unref);
GST_LOG_OBJECT (self, "New VP9 picture %p", picture);
return GST_FLOW_OK;
}
static GstVp9Picture *
gst_d3d11_vp9_dec_duplicate_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstBuffer *view_buffer;
GstVp9Picture *new_picture;
view_buffer = (GstBuffer *) gst_vp9_picture_get_user_data (picture);
if (!view_buffer) {
GST_ERROR_OBJECT (self, "Parent picture does not have output view buffer");
return NULL;
}
new_picture = gst_vp9_picture_new ();
new_picture->frame_hdr = picture->frame_hdr;
GST_LOG_OBJECT (self, "Duplicate output with buffer %" GST_PTR_FORMAT,
view_buffer);
gst_vp9_picture_set_user_data (new_picture,
gst_buffer_ref (view_buffer), (GDestroyNotify) gst_buffer_unref);
return new_picture;
}
static GstFlowReturn
gst_d3d11_vp9_dec_start_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
inner->bitstream_buffer.resize (0);
return GST_FLOW_OK;
}
static ID3D11VideoDecoderOutputView *
gst_d3d11_vp9_dec_get_output_view_from_picture (GstD3D11Vp9Dec * self,
GstVp9Picture * picture, guint8 * view_id)
{
GstD3D11Vp9DecInner *inner = self->inner;
GstBuffer *view_buffer;
ID3D11VideoDecoderOutputView *view;
view_buffer = (GstBuffer *) gst_vp9_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_vp9_dec_copy_frame_params (GstD3D11Vp9Dec * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
params->profile = frame_hdr->profile;
params->frame_type = frame_hdr->frame_type;
params->show_frame = frame_hdr->show_frame;
params->error_resilient_mode = frame_hdr->error_resilient_mode;
params->subsampling_x = frame_hdr->subsampling_x;
params->subsampling_y = frame_hdr->subsampling_y;
params->refresh_frame_context = frame_hdr->refresh_frame_context;
params->frame_parallel_decoding_mode =
frame_hdr->frame_parallel_decoding_mode;
params->intra_only = frame_hdr->intra_only;
params->frame_context_idx = frame_hdr->frame_context_idx;
params->reset_frame_context = frame_hdr->reset_frame_context;
if (frame_hdr->frame_type == GST_VP9_KEY_FRAME)
params->allow_high_precision_mv = 0;
else
params->allow_high_precision_mv = frame_hdr->allow_high_precision_mv;
params->width = frame_hdr->width;
params->height = frame_hdr->height;
params->BitDepthMinus8Luma = frame_hdr->bit_depth - 8;
params->BitDepthMinus8Chroma = frame_hdr->bit_depth - 8;
params->interp_filter = frame_hdr->interpolation_filter;
params->log2_tile_cols = frame_hdr->tile_cols_log2;
params->log2_tile_rows = frame_hdr->tile_rows_log2;
}
static void
gst_d3d11_vp9_dec_copy_reference_frames (GstD3D11Vp9Dec * self,
GstVp9Picture * picture, GstVp9Dpb * dpb, DXVA_PicParams_VP9 * params)
{
gint i;
for (i = 0; i < GST_VP9_REF_FRAMES; i++) {
if (dpb->pic_list[i]) {
GstVp9Picture *other_pic = dpb->pic_list[i];
ID3D11VideoDecoderOutputView *view;
guint8 view_id = 0xff;
view = gst_d3d11_vp9_dec_get_output_view_from_picture (self, other_pic,
&view_id);
if (!view) {
GST_ERROR_OBJECT (self, "picture does not have output view handle");
return;
}
params->ref_frame_map[i].Index7Bits = view_id;
params->ref_frame_coded_width[i] = picture->frame_hdr.width;
params->ref_frame_coded_height[i] = picture->frame_hdr.height;
} else {
params->ref_frame_map[i].bPicEntry = 0xff;
params->ref_frame_coded_width[i] = 0;
params->ref_frame_coded_height[i] = 0;
}
}
}
static void
gst_d3d11_vp9_dec_copy_frame_refs (GstD3D11Vp9Dec * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
gint i;
for (i = 0; i < GST_VP9_REFS_PER_FRAME; i++) {
params->frame_refs[i] = params->ref_frame_map[frame_hdr->ref_frame_idx[i]];
}
G_STATIC_ASSERT (G_N_ELEMENTS (params->ref_frame_sign_bias) ==
G_N_ELEMENTS (frame_hdr->ref_frame_sign_bias));
G_STATIC_ASSERT (sizeof (params->ref_frame_sign_bias) ==
sizeof (frame_hdr->ref_frame_sign_bias));
memcpy (params->ref_frame_sign_bias,
frame_hdr->ref_frame_sign_bias, sizeof (frame_hdr->ref_frame_sign_bias));
}
static void
gst_d3d11_vp9_dec_copy_loop_filter_params (GstD3D11Vp9Dec * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
GstD3D11Vp9DecInner *inner = self->inner;
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
const GstVp9LoopFilterParams *lfp = &frame_hdr->loop_filter_params;
params->filter_level = lfp->loop_filter_level;
params->sharpness_level = lfp->loop_filter_sharpness;
params->mode_ref_delta_enabled = lfp->loop_filter_delta_enabled;
params->mode_ref_delta_update = lfp->loop_filter_delta_update;
params->use_prev_in_find_mv_refs =
inner->last_show_frame && !frame_hdr->error_resilient_mode;
if (frame_hdr->frame_type != GST_VP9_KEY_FRAME && !frame_hdr->intra_only) {
params->use_prev_in_find_mv_refs &=
(frame_hdr->width == inner->last_frame_width &&
frame_hdr->height == inner->last_frame_height);
}
G_STATIC_ASSERT (G_N_ELEMENTS (params->ref_deltas) ==
G_N_ELEMENTS (lfp->loop_filter_ref_deltas));
G_STATIC_ASSERT (sizeof (params->ref_deltas) ==
sizeof (lfp->loop_filter_ref_deltas));
memcpy (params->ref_deltas, lfp->loop_filter_ref_deltas,
sizeof (lfp->loop_filter_ref_deltas));
G_STATIC_ASSERT (G_N_ELEMENTS (params->mode_deltas) ==
G_N_ELEMENTS (lfp->loop_filter_mode_deltas));
G_STATIC_ASSERT (sizeof (params->mode_deltas) ==
sizeof (lfp->loop_filter_mode_deltas));
memcpy (params->mode_deltas, lfp->loop_filter_mode_deltas,
sizeof (lfp->loop_filter_mode_deltas));
}
static void
gst_d3d11_vp9_dec_copy_quant_params (GstD3D11Vp9Dec * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
const GstVp9QuantizationParams *qp = &frame_hdr->quantization_params;
params->base_qindex = qp->base_q_idx;
params->y_dc_delta_q = qp->delta_q_y_dc;
params->uv_dc_delta_q = qp->delta_q_uv_dc;
params->uv_ac_delta_q = qp->delta_q_uv_ac;
}
static void
gst_d3d11_vp9_dec_copy_segmentation_params (GstD3D11Vp9Dec * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
const GstVp9SegmentationParams *sp = &frame_hdr->segmentation_params;
gint i, j;
params->stVP9Segments.enabled = sp->segmentation_enabled;
params->stVP9Segments.update_map = sp->segmentation_update_map;
params->stVP9Segments.temporal_update = sp->segmentation_temporal_update;
params->stVP9Segments.abs_delta = sp->segmentation_abs_or_delta_update;
G_STATIC_ASSERT (G_N_ELEMENTS (params->stVP9Segments.tree_probs) ==
G_N_ELEMENTS (sp->segmentation_tree_probs));
G_STATIC_ASSERT (sizeof (params->stVP9Segments.tree_probs) ==
sizeof (sp->segmentation_tree_probs));
memcpy (params->stVP9Segments.tree_probs, sp->segmentation_tree_probs,
sizeof (sp->segmentation_tree_probs));
G_STATIC_ASSERT (G_N_ELEMENTS (params->stVP9Segments.pred_probs) ==
G_N_ELEMENTS (sp->segmentation_pred_prob));
G_STATIC_ASSERT (sizeof (params->stVP9Segments.pred_probs) ==
sizeof (sp->segmentation_pred_prob));
if (sp->segmentation_temporal_update) {
memcpy (params->stVP9Segments.pred_probs, sp->segmentation_pred_prob,
sizeof (params->stVP9Segments.pred_probs));
} else {
memset (params->stVP9Segments.pred_probs, 255,
sizeof (params->stVP9Segments.pred_probs));
}
for (i = 0; i < GST_VP9_MAX_SEGMENTS; i++) {
params->stVP9Segments.feature_mask[i] =
(sp->feature_enabled[i][GST_VP9_SEG_LVL_ALT_Q] << 0) |
(sp->feature_enabled[i][GST_VP9_SEG_LVL_ALT_L] << 1) |
(sp->feature_enabled[i][GST_VP9_SEG_LVL_REF_FRAME] << 2) |
(sp->feature_enabled[i][GST_VP9_SEG_SEG_LVL_SKIP] << 3);
for (j = 0; j < 3; j++)
params->stVP9Segments.feature_data[i][j] = sp->feature_data[i][j];
params->stVP9Segments.feature_data[i][3] = 0;
}
}
static GstFlowReturn
gst_d3d11_vp9_dec_decode_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture, GstVp9Dpb * dpb)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
DXVA_PicParams_VP9 *pic_params = &inner->pic_params;
DXVA_Slice_VPx_Short *slice = &inner->slice;
ID3D11VideoDecoderOutputView *view;
guint8 view_id = 0xff;
view = gst_d3d11_vp9_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_VP9));
pic_params->CurrPic.Index7Bits = view_id;
pic_params->uncompressed_header_size_byte_aligned =
picture->frame_hdr.frame_header_length_in_bytes;
pic_params->first_partition_size = picture->frame_hdr.header_size_in_bytes;
pic_params->StatusReportFeedbackNumber = 1;
gst_d3d11_vp9_dec_copy_frame_params (self, picture, pic_params);
gst_d3d11_vp9_dec_copy_reference_frames (self, picture, dpb, pic_params);
gst_d3d11_vp9_dec_copy_frame_refs (self, picture, pic_params);
gst_d3d11_vp9_dec_copy_loop_filter_params (self, picture, pic_params);
gst_d3d11_vp9_dec_copy_quant_params (self, picture, pic_params);
gst_d3d11_vp9_dec_copy_segmentation_params (self, picture, 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;
inner->last_frame_width = pic_params->width;
inner->last_frame_height = pic_params->height;
inner->last_show_frame = pic_params->show_frame;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_d3d11_vp9_dec_end_picture (GstVp9Decoder * decoder, GstVp9Picture * picture)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *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_vp9_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_VP9);
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 ();
if (!gst_d3d11_decoder_decode_frame (inner->d3d11_decoder, view, &input_args))
return GST_FLOW_ERROR;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_d3d11_vp9_dec_output_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture)
{
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstBuffer *view_buffer;
GST_LOG_OBJECT (self, "Outputting picture %p", picture);
view_buffer = (GstBuffer *) gst_vp9_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->frame_hdr.width, picture->frame_hdr.height, view_buffer,
&frame->output_buffer)) {
GST_ERROR_OBJECT (self, "Failed to copy buffer");
goto error;
}
gst_vp9_picture_unref (picture);
return gst_video_decoder_finish_frame (vdec, frame);
error:
gst_vp9_picture_unref (picture);
gst_video_decoder_release_frame (vdec, frame);
return GST_FLOW_ERROR;
}
void
gst_d3d11_vp9_dec_register (GstPlugin * plugin, GstD3D11Device * device,
guint rank)
{
GType type;
gchar *type_name;
gchar *feature_name;
guint index = 0;
guint i;
const GUID *profile;
GTypeInfo type_info = {
sizeof (GstD3D11Vp9DecClass),
NULL,
NULL,
(GClassInitFunc) gst_d3d11_vp9_dec_class_init,
NULL,
NULL,
sizeof (GstD3D11Vp9Dec),
0,
(GInstanceInitFunc) gst_d3d11_vp9_dec_init,
};
const GUID *profile2_guid = NULL;
const GUID *profile0_guid = NULL;
GstCaps *sink_caps = NULL;
GstCaps *src_caps = NULL;
guint max_width = 0;
guint max_height = 0;
guint resolution;
gboolean have_profile2 = FALSE;
gboolean have_profile0 = FALSE;
DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN;
GValue vp9_profiles = G_VALUE_INIT;
have_profile2 = gst_d3d11_decoder_get_supported_decoder_profile (device,
GST_DXVA_CODEC_VP9, GST_VIDEO_FORMAT_P010_10LE, &profile2_guid);
if (!have_profile2) {
GST_DEBUG_OBJECT (device,
"decoder does not support VP9_VLD_10BIT_PROFILE2");
} else {
have_profile2 &=
gst_d3d11_decoder_supports_format (device,
profile2_guid, DXGI_FORMAT_P010);
if (!have_profile2) {
GST_FIXME_OBJECT (device, "device does not support P010 format");
}
}
have_profile0 = gst_d3d11_decoder_get_supported_decoder_profile (device,
GST_DXVA_CODEC_VP9, GST_VIDEO_FORMAT_NV12, &profile0_guid);
if (!have_profile0) {
GST_DEBUG_OBJECT (device, "decoder does not support VP9_VLD_PROFILE0");
} else {
have_profile0 =
gst_d3d11_decoder_supports_format (device, profile0_guid,
DXGI_FORMAT_NV12);
if (!have_profile0) {
GST_FIXME_OBJECT (device, "device does not support NV12 format");
}
}
if (!have_profile2 && !have_profile0) {
GST_INFO_OBJECT (device, "device does not support VP9 decoding");
return;
}
if (have_profile0) {
profile = profile0_guid;
format = DXGI_FORMAT_NV12;
} else {
profile = profile2_guid;
format = DXGI_FORMAT_P010;
}
for (i = 0; i < G_N_ELEMENTS (gst_dxva_resolutions); i++) {
if (gst_d3d11_decoder_supports_resolution (device, profile,
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-vp9, alignment = (string) frame");
src_caps = gst_caps_from_string ("video/x-raw("
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY "); video/x-raw");
g_value_init (&vp9_profiles, GST_TYPE_LIST);
if (have_profile0) {
GValue vp9_profile_val = G_VALUE_INIT;
g_value_init (&vp9_profile_val, G_TYPE_STRING);
g_value_set_string (&vp9_profile_val, "0");
gst_value_list_append_and_take_value (&vp9_profiles, &vp9_profile_val);
}
if (have_profile2) {
GValue format_list = G_VALUE_INIT;
GValue format_value = G_VALUE_INIT;
GValue vp9_profile_val = G_VALUE_INIT;
g_value_init (&format_list, GST_TYPE_LIST);
g_value_init (&format_value, G_TYPE_STRING);
g_value_set_string (&format_value, "NV12");
gst_value_list_append_and_take_value (&format_list, &format_value);
g_value_init (&format_value, G_TYPE_STRING);
g_value_set_string (&format_value, "P010_10LE");
gst_value_list_append_and_take_value (&format_list, &format_value);
gst_caps_set_value (src_caps, "format", &format_list);
g_value_unset (&format_list);
g_value_init (&vp9_profile_val, G_TYPE_STRING);
g_value_set_string (&vp9_profile_val, "2");
gst_value_list_append_and_take_value (&vp9_profiles, &vp9_profile_val);
} else {
gst_caps_set_simple (src_caps, "format", G_TYPE_STRING, "NV12", NULL);
}
gst_caps_set_value (sink_caps, "profile", &vp9_profiles);
g_value_unset (&vp9_profiles);
/* 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_VP9,
sink_caps, src_caps, resolution);
type_name = g_strdup ("GstD3D11Vp9Dec");
feature_name = g_strdup ("d3d11vp9dec");
while (g_type_from_name (type_name)) {
index++;
g_free (type_name);
g_free (feature_name);
type_name = g_strdup_printf ("GstD3D11Vp9Device%dDec", index);
feature_name = g_strdup_printf ("d3d11vp9device%ddec", index);
}
type = g_type_register_static (GST_TYPE_VP9_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);
}