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gstreamer/subprojects/gst-plugins-bad/sys/d3d11/gstd3d11h265dec.cpp
Seungha Yang df64226e71 d3d11decoder: Do timer based DecoderBeginFrame retry 
... instead of retry count based one, because the precision of Sleep()
varies depending on system and application configuration.
Also, don't retry DecoderBeginFrame if decoder is doing flush.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2886>
2022-08-15 19:16:16 +00:00

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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.
*/
/**
* SECTION:element-d3d11h265dec
* @title: d3d11h265dec
*
* A Direct3D11/DXVA based H.265 video decoder
*
* ## Example launch line
* ```
* gst-launch-1.0 filesrc location=/path/to/hevc/file ! parsebin ! d3d11h265dec ! d3d11videosink
* ```
*
* Since: 1.18
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "gstd3d11h265dec.h"
#include <gst/codecs/gsth265decoder.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_h265_dec_debug);
#define GST_CAT_DEFAULT gst_d3d11_h265_dec_debug
/* *INDENT-OFF* */
typedef struct _GstD3D11H265DecInner
{
GstD3D11Device *device = nullptr;
GstD3D11Decoder *d3d11_decoder = nullptr;
DXVA_PicParams_HEVC pic_params;
DXVA_Qmatrix_HEVC iq_matrix;
std::vector<DXVA_Slice_HEVC_Short> slice_list;
std::vector<guint8> bitstream_buffer;
gboolean submit_iq_data;
gint crop_x = 0;
gint crop_y = 0;
gint width = 0;
gint height = 0;
gint coded_width = 0;
gint coded_height = 0;
guint bitdepth = 0;
guint8 chroma_format_idc = 0;
GstVideoFormat out_format = GST_VIDEO_FORMAT_UNKNOWN;
GstVideoInterlaceMode interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
} GstD3D11H265DecInner;
/* *INDENT-ON* */
typedef struct _GstD3D11H265Dec
{
GstH265Decoder parent;
GstD3D11H265DecInner *inner;
} GstD3D11H265Dec;
typedef struct _GstD3D11H265DecClass
{
GstH265DecoderClass parent_class;
GstD3D11DecoderSubClassData class_data;
} GstD3D11H265DecClass;
static GstElementClass *parent_class = NULL;
#define GST_D3D11_H265_DEC(object) ((GstD3D11H265Dec *) (object))
#define GST_D3D11_H265_DEC_GET_CLASS(object) \
(G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstD3D11H265DecClass))
static void gst_d3d11_h265_dec_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_d3d11_h265_dec_finalize (GObject * object);
static void gst_d3d11_h265_dec_set_context (GstElement * element,
GstContext * context);
static gboolean gst_d3d11_h265_dec_open (GstVideoDecoder * decoder);
static gboolean gst_d3d11_h265_dec_close (GstVideoDecoder * decoder);
static gboolean gst_d3d11_h265_dec_negotiate (GstVideoDecoder * decoder);
static gboolean gst_d3d11_h265_dec_decide_allocation (GstVideoDecoder *
decoder, GstQuery * query);
static gboolean gst_d3d11_h265_dec_src_query (GstVideoDecoder * decoder,
GstQuery * query);
static gboolean gst_d3d11_h265_dec_sink_event (GstVideoDecoder * decoder,
GstEvent * event);
/* GstH265Decoder */
static GstFlowReturn gst_d3d11_h265_dec_new_sequence (GstH265Decoder * decoder,
const GstH265SPS * sps, gint max_dpb_size);
static GstFlowReturn gst_d3d11_h265_dec_new_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * cframe, GstH265Picture * picture);
static GstFlowReturn gst_d3d11_h265_dec_start_picture (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb);
static GstFlowReturn gst_d3d11_h265_dec_decode_slice (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice,
GArray * ref_pic_list0, GArray * ref_pic_list1);
static GstFlowReturn gst_d3d11_h265_dec_end_picture (GstH265Decoder * decoder,
GstH265Picture * picture);
static GstFlowReturn gst_d3d11_h265_dec_output_picture (GstH265Decoder *
decoder, GstVideoCodecFrame * frame, GstH265Picture * picture);
static void
gst_d3d11_h265_dec_class_init (GstD3D11H265DecClass * 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);
GstH265DecoderClass *h265decoder_class = GST_H265_DECODER_CLASS (klass);
GstD3D11DecoderClassData *cdata = (GstD3D11DecoderClassData *) data;
gobject_class->get_property = gst_d3d11_h265_dec_get_property;
gobject_class->finalize = gst_d3d11_h265_dec_finalize;
element_class->set_context =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_set_context);
parent_class = (GstElementClass *) g_type_class_peek_parent (klass);
gst_d3d11_decoder_class_data_fill_subclass_data (cdata, &klass->class_data);
/**
* GstD3D11H265Dec: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_h265_dec_open);
decoder_class->close = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_close);
decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_negotiate);
decoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_decide_allocation);
decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_src_query);
decoder_class->sink_event = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_sink_event);
h265decoder_class->new_sequence =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_new_sequence);
h265decoder_class->new_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_new_picture);
h265decoder_class->start_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_start_picture);
h265decoder_class->decode_slice =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_decode_slice);
h265decoder_class->end_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_end_picture);
h265decoder_class->output_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_output_picture);
}
static void
gst_d3d11_h265_dec_init (GstD3D11H265Dec * self)
{
self->inner = new GstD3D11H265DecInner ();
}
static void
gst_d3d11_h265_dec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstD3D11H265DecClass *klass = GST_D3D11_H265_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_h265_dec_finalize (GObject * object)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (object);
delete self->inner;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_d3d11_h265_dec_set_context (GstElement * element, GstContext * context)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (element);
GstD3D11H265DecInner *inner = self->inner;
GstD3D11H265DecClass *klass = GST_D3D11_H265_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_h265_dec_open (GstVideoDecoder * decoder)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *inner = self->inner;
GstD3D11H265DecClass *klass = GST_D3D11_H265_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;
}
return TRUE;
}
static gboolean
gst_d3d11_h265_dec_close (GstVideoDecoder * decoder)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *inner = self->inner;
gst_clear_object (&inner->d3d11_decoder);
gst_clear_object (&inner->device);
return TRUE;
}
static gboolean
gst_d3d11_h265_dec_negotiate (GstVideoDecoder * decoder)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *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_h265_dec_decide_allocation (GstVideoDecoder * decoder,
GstQuery * query)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *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_h265_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *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_h265_dec_sink_event (GstVideoDecoder * decoder, GstEvent * event)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *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_h265_dec_new_sequence (GstH265Decoder * decoder,
const GstH265SPS * sps, gint max_dpb_size)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *inner = self->inner;
gint crop_width, crop_height;
gboolean modified = FALSE;
GstVideoInterlaceMode interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
GST_LOG_OBJECT (self, "new sequence");
if (sps->conformance_window_flag) {
crop_width = sps->crop_rect_width;
crop_height = sps->crop_rect_height;
} else {
crop_width = sps->width;
crop_height = sps->height;
}
if (inner->width != crop_width || inner->height != crop_height ||
inner->coded_width != sps->width || inner->coded_height != sps->height ||
inner->crop_x != sps->crop_rect_x || inner->crop_y != sps->crop_rect_y) {
GST_INFO_OBJECT (self, "resolution changed %dx%d -> %dx%d",
crop_width, crop_height, sps->width, sps->height);
inner->crop_x = sps->crop_rect_x;
inner->crop_y = sps->crop_rect_y;
inner->width = crop_width;
inner->height = crop_height;
inner->coded_width = sps->width;
inner->coded_height = sps->height;
modified = TRUE;
}
if (inner->bitdepth != (guint) sps->bit_depth_luma_minus8 + 8) {
GST_INFO_OBJECT (self, "bitdepth changed");
inner->bitdepth = sps->bit_depth_luma_minus8 + 8;
modified = TRUE;
}
if (sps->vui_parameters_present_flag && sps->vui_params.field_seq_flag) {
interlace_mode = GST_VIDEO_INTERLACE_MODE_ALTERNATE;
} else {
/* 7.4.4 Profile, tier and level sementics */
if (sps->profile_tier_level.progressive_source_flag &&
!sps->profile_tier_level.interlaced_source_flag) {
interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
} else {
interlace_mode = GST_VIDEO_INTERLACE_MODE_MIXED;
}
}
if (inner->interlace_mode != interlace_mode) {
GST_INFO_OBJECT (self, "Interlace mode change %d -> %d",
inner->interlace_mode, interlace_mode);
inner->interlace_mode = interlace_mode;
modified = TRUE;
}
if (inner->chroma_format_idc != sps->chroma_format_idc) {
GST_INFO_OBJECT (self, "chroma format changed");
inner->chroma_format_idc = sps->chroma_format_idc;
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");
}
} else if (inner->bitdepth == 10) {
if (inner->chroma_format_idc == 1) {
inner->out_format = GST_VIDEO_FORMAT_P010_10LE;
} else {
GST_FIXME_OBJECT (self, "Could not support 10bits 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);
GST_VIDEO_INFO_INTERLACE_MODE (&info) = inner->interlace_mode;
if (!gst_d3d11_decoder_configure (inner->d3d11_decoder,
decoder->input_state, &info, inner->crop_x, inner->crop_y,
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_WARNING_OBJECT (self, "Failed to negotiate with downstream");
return GST_FLOW_NOT_NEGOTIATED;
}
}
return GST_FLOW_OK;
}
static GstFlowReturn
gst_d3d11_h265_dec_new_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * cframe, GstH265Picture * picture)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *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_h265_picture_set_user_data (picture,
view_buffer, (GDestroyNotify) gst_buffer_unref);
GST_LOG_OBJECT (self, "New h265picture %p", picture);
return GST_FLOW_OK;
}
static void
gst_d3d11_h265_dec_picture_params_from_sps (GstD3D11H265Dec * self,
const GstH265SPS * sps, DXVA_PicParams_HEVC * params)
{
#define COPY_FIELD(f) \
(params)->f = (sps)->f
#define COPY_FIELD_WITH_PREFIX(f) \
(params)->G_PASTE(sps_,f) = (sps)->f
params->PicWidthInMinCbsY =
sps->width >> (sps->log2_min_luma_coding_block_size_minus3 + 3);
params->PicHeightInMinCbsY =
sps->height >> (sps->log2_min_luma_coding_block_size_minus3 + 3);
params->sps_max_dec_pic_buffering_minus1 =
sps->max_dec_pic_buffering_minus1[sps->max_sub_layers_minus1];
COPY_FIELD (chroma_format_idc);
COPY_FIELD (separate_colour_plane_flag);
COPY_FIELD (bit_depth_luma_minus8);
COPY_FIELD (bit_depth_chroma_minus8);
COPY_FIELD (log2_max_pic_order_cnt_lsb_minus4);
COPY_FIELD (log2_min_luma_coding_block_size_minus3);
COPY_FIELD (log2_diff_max_min_luma_coding_block_size);
COPY_FIELD (log2_min_transform_block_size_minus2);
COPY_FIELD (log2_diff_max_min_transform_block_size);
COPY_FIELD (max_transform_hierarchy_depth_inter);
COPY_FIELD (max_transform_hierarchy_depth_intra);
COPY_FIELD (num_short_term_ref_pic_sets);
COPY_FIELD (num_long_term_ref_pics_sps);
COPY_FIELD (scaling_list_enabled_flag);
COPY_FIELD (amp_enabled_flag);
COPY_FIELD (sample_adaptive_offset_enabled_flag);
COPY_FIELD (pcm_enabled_flag);
if (sps->pcm_enabled_flag) {
COPY_FIELD (pcm_sample_bit_depth_luma_minus1);
COPY_FIELD (pcm_sample_bit_depth_chroma_minus1);
COPY_FIELD (log2_min_pcm_luma_coding_block_size_minus3);
COPY_FIELD (log2_diff_max_min_pcm_luma_coding_block_size);
}
COPY_FIELD (pcm_loop_filter_disabled_flag);
COPY_FIELD (long_term_ref_pics_present_flag);
COPY_FIELD_WITH_PREFIX (temporal_mvp_enabled_flag);
COPY_FIELD (strong_intra_smoothing_enabled_flag);
#undef COPY_FIELD
#undef COPY_FIELD_WITH_PREFIX
}
static void
gst_d3d11_h265_dec_picture_params_from_pps (GstD3D11H265Dec * self,
const GstH265PPS * pps, DXVA_PicParams_HEVC * params)
{
guint i;
#define COPY_FIELD(f) \
(params)->f = (pps)->f
#define COPY_FIELD_WITH_PREFIX(f) \
(params)->G_PASTE(pps_,f) = (pps)->f
COPY_FIELD (num_ref_idx_l0_default_active_minus1);
COPY_FIELD (num_ref_idx_l1_default_active_minus1);
COPY_FIELD (init_qp_minus26);
COPY_FIELD (dependent_slice_segments_enabled_flag);
COPY_FIELD (output_flag_present_flag);
COPY_FIELD (num_extra_slice_header_bits);
COPY_FIELD (sign_data_hiding_enabled_flag);
COPY_FIELD (cabac_init_present_flag);
COPY_FIELD (constrained_intra_pred_flag);
COPY_FIELD (transform_skip_enabled_flag);
COPY_FIELD (cu_qp_delta_enabled_flag);
COPY_FIELD_WITH_PREFIX (slice_chroma_qp_offsets_present_flag);
COPY_FIELD (weighted_pred_flag);
COPY_FIELD (weighted_bipred_flag);
COPY_FIELD (transquant_bypass_enabled_flag);
COPY_FIELD (tiles_enabled_flag);
COPY_FIELD (entropy_coding_sync_enabled_flag);
COPY_FIELD (uniform_spacing_flag);
if (pps->tiles_enabled_flag)
COPY_FIELD (loop_filter_across_tiles_enabled_flag);
COPY_FIELD_WITH_PREFIX (loop_filter_across_slices_enabled_flag);
COPY_FIELD (deblocking_filter_override_enabled_flag);
COPY_FIELD_WITH_PREFIX (deblocking_filter_disabled_flag);
COPY_FIELD (lists_modification_present_flag);
COPY_FIELD (slice_segment_header_extension_present_flag);
COPY_FIELD_WITH_PREFIX (cb_qp_offset);
COPY_FIELD_WITH_PREFIX (cr_qp_offset);
if (pps->tiles_enabled_flag) {
COPY_FIELD (num_tile_columns_minus1);
COPY_FIELD (num_tile_rows_minus1);
if (!pps->uniform_spacing_flag) {
for (i = 0; i < pps->num_tile_columns_minus1 &&
i < G_N_ELEMENTS (params->column_width_minus1); i++)
COPY_FIELD (column_width_minus1[i]);
for (i = 0; i < pps->num_tile_rows_minus1 &&
i < G_N_ELEMENTS (params->row_height_minus1); i++)
COPY_FIELD (row_height_minus1[i]);
}
}
COPY_FIELD (diff_cu_qp_delta_depth);
COPY_FIELD_WITH_PREFIX (beta_offset_div2);
COPY_FIELD_WITH_PREFIX (tc_offset_div2);
COPY_FIELD (log2_parallel_merge_level_minus2);
#undef COPY_FIELD
#undef COPY_FIELD_WITH_PREFIX
}
static void
gst_d3d11_h265_dec_picture_params_from_slice_header (GstD3D11H265Dec *
self, const GstH265SliceHdr * slice_header, DXVA_PicParams_HEVC * params)
{
if (slice_header->short_term_ref_pic_set_sps_flag == 0) {
params->ucNumDeltaPocsOfRefRpsIdx =
slice_header->short_term_ref_pic_sets.NumDeltaPocsOfRefRpsIdx;
params->wNumBitsForShortTermRPSInSlice =
slice_header->short_term_ref_pic_set_size;
}
}
static gboolean
gst_d3d11_h265_dec_fill_picture_params (GstD3D11H265Dec * self,
const GstH265SliceHdr * slice_header, DXVA_PicParams_HEVC * params)
{
const GstH265SPS *sps;
const GstH265PPS *pps;
g_return_val_if_fail (slice_header->pps != NULL, FALSE);
g_return_val_if_fail (slice_header->pps->sps != NULL, FALSE);
pps = slice_header->pps;
sps = pps->sps;
/* not related to hevc syntax */
params->NoPicReorderingFlag = 0;
params->NoBiPredFlag = 0;
params->ReservedBits1 = 0;
params->StatusReportFeedbackNumber = 1;
gst_d3d11_h265_dec_picture_params_from_sps (self, sps, params);
gst_d3d11_h265_dec_picture_params_from_pps (self, pps, params);
gst_d3d11_h265_dec_picture_params_from_slice_header (self,
slice_header, params);
return TRUE;
}
static ID3D11VideoDecoderOutputView *
gst_d3d11_h265_dec_get_output_view_from_picture (GstD3D11H265Dec * self,
GstH265Picture * picture, guint8 * view_id)
{
GstD3D11H265DecInner *inner = self->inner;
GstBuffer *view_buffer;
ID3D11VideoDecoderOutputView *view;
view_buffer = (GstBuffer *) gst_h265_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 UCHAR
gst_d3d11_h265_dec_get_ref_index (const DXVA_PicParams_HEVC * pic_params,
guint8 view_id)
{
for (UCHAR i = 0; i < G_N_ELEMENTS (pic_params->RefPicList); i++) {
if (pic_params->RefPicList[i].Index7Bits == view_id)
return i;
}
return 0xff;
}
static inline void
init_pic_params (DXVA_PicParams_HEVC * params)
{
memset (params, 0, sizeof (DXVA_PicParams_HEVC));
for (guint i = 0; i < G_N_ELEMENTS (params->RefPicList); i++)
params->RefPicList[i].bPicEntry = 0xff;
for (guint i = 0; i < G_N_ELEMENTS (params->RefPicSetStCurrBefore); i++) {
params->RefPicSetStCurrBefore[i] = 0xff;
params->RefPicSetStCurrAfter[i] = 0xff;
params->RefPicSetLtCurr[i] = 0xff;
}
}
static GstFlowReturn
gst_d3d11_h265_dec_start_picture (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *inner = self->inner;
DXVA_PicParams_HEVC *pic_params = &inner->pic_params;
DXVA_Qmatrix_HEVC *iq_matrix = &inner->iq_matrix;
ID3D11VideoDecoderOutputView *view;
guint8 view_id = 0xff;
guint i, j;
GArray *dpb_array;
GstH265SPS *sps;
GstH265PPS *pps;
GstH265ScalingList *scaling_list = nullptr;
pps = slice->header.pps;
sps = pps->sps;
view = gst_d3d11_h265_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_h265_dec_fill_picture_params (self, &slice->header, pic_params);
pic_params->CurrPic.Index7Bits = view_id;
pic_params->IrapPicFlag = GST_H265_IS_NAL_TYPE_IRAP (slice->nalu.type);
pic_params->IdrPicFlag = GST_H265_IS_NAL_TYPE_IDR (slice->nalu.type);
pic_params->IntraPicFlag = GST_H265_IS_NAL_TYPE_IRAP (slice->nalu.type);
pic_params->CurrPicOrderCntVal = picture->pic_order_cnt;
dpb_array = gst_h265_dpb_get_pictures_all (dpb);
for (i = 0, j = 0;
i < dpb_array->len && j < G_N_ELEMENTS (pic_params->RefPicList); i++) {
GstH265Picture *other = g_array_index (dpb_array, GstH265Picture *, i);
guint8 id = 0xff;
if (!other->ref) {
GST_LOG_OBJECT (self, "%dth picture in dpb is not reference, skip", i);
continue;
}
gst_d3d11_h265_dec_get_output_view_from_picture (self, other, &id);
pic_params->RefPicList[j].Index7Bits = id;
pic_params->RefPicList[j].AssociatedFlag = other->long_term;
pic_params->PicOrderCntValList[j] = other->pic_order_cnt;
j++;
}
g_array_unref (dpb_array);
for (i = 0, j = 0; i < G_N_ELEMENTS (pic_params->RefPicSetStCurrBefore); i++) {
GstH265Picture *other = nullptr;
guint8 other_view_id = 0xff;
guint8 id = 0xff;
while (!other && j < decoder->NumPocStCurrBefore)
other = decoder->RefPicSetStCurrBefore[j++];
if (other) {
ID3D11VideoDecoderOutputView *other_view;
other_view = gst_d3d11_h265_dec_get_output_view_from_picture (self,
other, &other_view_id);
if (other_view)
id = gst_d3d11_h265_dec_get_ref_index (pic_params, other_view_id);
}
pic_params->RefPicSetStCurrBefore[i] = id;
}
for (i = 0, j = 0; i < G_N_ELEMENTS (pic_params->RefPicSetStCurrAfter); i++) {
GstH265Picture *other = nullptr;
guint8 other_view_id = 0xff;
guint8 id = 0xff;
while (!other && j < decoder->NumPocStCurrAfter)
other = decoder->RefPicSetStCurrAfter[j++];
if (other) {
ID3D11VideoDecoderOutputView *other_view;
other_view = gst_d3d11_h265_dec_get_output_view_from_picture (self,
other, &other_view_id);
if (other_view)
id = gst_d3d11_h265_dec_get_ref_index (pic_params, other_view_id);
}
pic_params->RefPicSetStCurrAfter[i] = id;
}
for (i = 0, j = 0; i < G_N_ELEMENTS (pic_params->RefPicSetLtCurr); i++) {
GstH265Picture *other = nullptr;
guint8 other_view_id = 0xff;
guint8 id = 0xff;
while (!other && j < decoder->NumPocLtCurr)
other = decoder->RefPicSetLtCurr[j++];
if (other) {
ID3D11VideoDecoderOutputView *other_view;
other_view = gst_d3d11_h265_dec_get_output_view_from_picture (self,
other, &other_view_id);
if (other_view)
id = gst_d3d11_h265_dec_get_ref_index (pic_params, other_view_id);
}
pic_params->RefPicSetLtCurr[i] = id;
}
if (pps->scaling_list_data_present_flag ||
(sps->scaling_list_enabled_flag
&& !sps->scaling_list_data_present_flag)) {
scaling_list = &pps->scaling_list;
} else if (sps->scaling_list_enabled_flag &&
sps->scaling_list_data_present_flag) {
scaling_list = &sps->scaling_list;
}
if (scaling_list) {
G_STATIC_ASSERT (sizeof (iq_matrix->ucScalingLists0) ==
sizeof (scaling_list->scaling_lists_4x4));
G_STATIC_ASSERT (sizeof (iq_matrix->ucScalingLists1) ==
sizeof (scaling_list->scaling_lists_8x8));
G_STATIC_ASSERT (sizeof (iq_matrix->ucScalingLists2) ==
sizeof (scaling_list->scaling_lists_16x16));
G_STATIC_ASSERT (sizeof (iq_matrix->ucScalingLists3) ==
sizeof (scaling_list->scaling_lists_32x32));
memcpy (iq_matrix->ucScalingLists0, scaling_list->scaling_lists_4x4,
sizeof (iq_matrix->ucScalingLists0));
memcpy (iq_matrix->ucScalingLists1, scaling_list->scaling_lists_8x8,
sizeof (iq_matrix->ucScalingLists1));
memcpy (iq_matrix->ucScalingLists2, scaling_list->scaling_lists_16x16,
sizeof (iq_matrix->ucScalingLists2));
memcpy (iq_matrix->ucScalingLists3, scaling_list->scaling_lists_32x32,
sizeof (iq_matrix->ucScalingLists3));
for (i = 0; i < G_N_ELEMENTS (iq_matrix->ucScalingListDCCoefSizeID2); i++) {
iq_matrix->ucScalingListDCCoefSizeID2[i] =
scaling_list->scaling_list_dc_coef_minus8_16x16[i] + 8;
}
for (i = 0; i < G_N_ELEMENTS (iq_matrix->ucScalingListDCCoefSizeID3); i++) {
iq_matrix->ucScalingListDCCoefSizeID3[i] =
scaling_list->scaling_list_dc_coef_minus8_32x32[i] + 8;
}
inner->submit_iq_data = TRUE;
} else {
inner->submit_iq_data = FALSE;
}
inner->slice_list.resize (0);
inner->bitstream_buffer.resize (0);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_d3d11_h265_dec_decode_slice (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice,
GArray * ref_pic_list0, GArray * ref_pic_list1)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *inner = self->inner;
DXVA_Slice_HEVC_Short dxva_slice;
static const guint8 start_code[] = { 0, 0, 1 };
const size_t start_code_size = sizeof (start_code);
dxva_slice.BSNALunitDataLocation = 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_h265_dec_end_picture (GstH265Decoder * decoder,
GstH265Picture * picture)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *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_h265_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_HEVC_Short & slice = inner->slice_list.back ();
slice.SliceBytesInBuffer += padding;
}
input_args.picture_params = &inner->pic_params;
input_args.picture_params_size = sizeof (DXVA_PicParams_HEVC);
input_args.slice_control = &inner->slice_list[0];
input_args.slice_control_size =
sizeof (DXVA_Slice_HEVC_Short) * inner->slice_list.size ();
input_args.bitstream = &inner->bitstream_buffer[0];
input_args.bitstream_size = inner->bitstream_buffer.size ();
if (inner->submit_iq_data) {
input_args.inverse_quantization_matrix = &inner->iq_matrix;
input_args.inverse_quantization_matrix_size = sizeof (DXVA_Qmatrix_HEVC);
}
return gst_d3d11_decoder_decode_frame (inner->d3d11_decoder,
view, &input_args);
}
static GstFlowReturn
gst_d3d11_h265_dec_output_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * frame, GstH265Picture * picture)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstD3D11H265DecInner *inner = self->inner;
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstBuffer *view_buffer;
GST_LOG_OBJECT (self, "Outputting picture %p, poc %d, picture_struct %d, "
"buffer flags 0x%x", picture, picture->pic_order_cnt, picture->pic_struct,
picture->buffer_flags);
view_buffer = (GstBuffer *) gst_h265_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;
}
GST_BUFFER_FLAG_SET (frame->output_buffer, picture->buffer_flags);
gst_h265_picture_unref (picture);
return gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
error:
gst_h265_picture_unref (picture);
gst_video_decoder_release_frame (vdec, frame);
return GST_FLOW_ERROR;
}
void
gst_d3d11_h265_dec_register (GstPlugin * plugin, GstD3D11Device * device,
guint rank)
{
GType type;
gchar *type_name;
gchar *feature_name;
guint index = 0;
guint i;
const GUID *profile = NULL;
GTypeInfo type_info = {
sizeof (GstD3D11H265DecClass),
NULL,
NULL,
(GClassInitFunc) gst_d3d11_h265_dec_class_init,
NULL,
NULL,
sizeof (GstD3D11H265Dec),
0,
(GInstanceInitFunc) gst_d3d11_h265_dec_init,
};
const GUID *main_10_guid = NULL;
const GUID *main_guid = NULL;
GstCaps *sink_caps = NULL;
GstCaps *src_caps = NULL;
GstCaps *src_caps_copy;
GstCaps *tmp;
GstCapsFeatures *caps_features;
guint max_width = 0;
guint max_height = 0;
guint resolution;
gboolean have_main10 = FALSE;
gboolean have_main = FALSE;
DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN;
have_main10 = gst_d3d11_decoder_get_supported_decoder_profile (device,
GST_DXVA_CODEC_H265, GST_VIDEO_FORMAT_P010_10LE, &main_10_guid);
if (!have_main10) {
GST_DEBUG_OBJECT (device, "decoder does not support HEVC_VLD_MAIN10");
} else {
have_main10 &=
gst_d3d11_decoder_supports_format (device, main_10_guid,
DXGI_FORMAT_P010);
if (!have_main10) {
GST_FIXME_OBJECT (device, "device does not support P010 format");
}
}
have_main = gst_d3d11_decoder_get_supported_decoder_profile (device,
GST_DXVA_CODEC_H265, GST_VIDEO_FORMAT_NV12, &main_guid);
if (!have_main) {
GST_DEBUG_OBJECT (device, "decoder does not support HEVC_VLD_MAIN");
} else {
have_main =
gst_d3d11_decoder_supports_format (device, main_guid, DXGI_FORMAT_NV12);
if (!have_main) {
GST_FIXME_OBJECT (device, "device does not support NV12 format");
}
}
if (!have_main10 && !have_main) {
GST_INFO_OBJECT (device, "device does not support h.265 decoding");
return;
}
if (have_main) {
profile = main_guid;
format = DXGI_FORMAT_NV12;
} else {
profile = main_10_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-h265, "
"stream-format=(string) { hev1, hvc1, byte-stream }, "
"alignment= (string) au");
src_caps = gst_caps_new_empty_simple ("video/x-raw");
if (have_main10) {
/* main10 profile covers main and main10 */
GValue profile_list = G_VALUE_INIT;
GValue profile_value = G_VALUE_INIT;
GValue format_list = G_VALUE_INIT;
GValue format_value = G_VALUE_INIT;
g_value_init (&profile_list, GST_TYPE_LIST);
g_value_init (&profile_value, G_TYPE_STRING);
g_value_set_string (&profile_value, "main");
gst_value_list_append_and_take_value (&profile_list, &profile_value);
g_value_init (&profile_value, G_TYPE_STRING);
g_value_set_string (&profile_value, "main-10");
gst_value_list_append_and_take_value (&profile_list, &profile_value);
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 (sink_caps, "profile", &profile_list);
gst_caps_set_value (src_caps, "format", &format_list);
g_value_unset (&profile_list);
g_value_unset (&format_list);
} else {
gst_caps_set_simple (sink_caps, "profile", G_TYPE_STRING, "main", NULL);
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);
/* Copy src caps to append other capsfeatures */
src_caps_copy = gst_caps_copy (src_caps);
/* System memory with alternate interlace-mode */
tmp = gst_caps_copy (src_caps_copy);
caps_features = gst_caps_features_new (GST_CAPS_FEATURE_FORMAT_INTERLACED,
NULL);
gst_caps_set_features_simple (tmp, caps_features);
gst_caps_set_simple (tmp, "interlace-mode", G_TYPE_STRING, "alternate", NULL);
gst_caps_append (src_caps, tmp);
/* D3D11 memory feature */
tmp = gst_caps_copy (src_caps_copy);
caps_features = gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY,
NULL);
gst_caps_set_features_simple (tmp, caps_features);
gst_caps_append (src_caps, tmp);
/* FIXME: D3D11 deinterlace element is not prepared, so this D3D11 with
* interlaced caps feature is pointless at the moment */
#if 0
/* D3D11 memory with alternate interlace-mode */
tmp = gst_caps_copy (src_caps_copy);
caps_features = gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY,
GST_CAPS_FEATURE_FORMAT_INTERLACED, NULL);
gst_caps_set_features_simple (tmp, caps_features);
gst_caps_set_simple (tmp, "interlace-mode", G_TYPE_STRING, "alternate", NULL);
gst_caps_append (src_caps, tmp);
#endif
gst_caps_unref (src_caps_copy);
type_info.class_data =
gst_d3d11_decoder_class_data_new (device, GST_DXVA_CODEC_H265,
sink_caps, src_caps, resolution);
type_name = g_strdup ("GstD3D11H265Dec");
feature_name = g_strdup ("d3d11h265dec");
while (g_type_from_name (type_name)) {
index++;
g_free (type_name);
g_free (feature_name);
type_name = g_strdup_printf ("GstD3D11H265Device%dDec", index);
feature_name = g_strdup_printf ("d3d11h265device%ddec", index);
}
type = g_type_register_static (GST_TYPE_H265_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);
}
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