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gstreamer/subprojects/gst-plugins-bad/sys/d3d11/gstd3d11h265dec.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.
*/
/**
* 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 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 gboolean gst_d3d11_h265_dec_new_sequence (GstH265Decoder * decoder,
const GstH265SPS * sps, gint max_dpb_size);
static gboolean gst_d3d11_h265_dec_new_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * cframe, GstH265Picture * picture);
static GstFlowReturn gst_d3d11_h265_dec_output_picture (GstH265Decoder *
decoder, GstVideoCodecFrame * frame, GstH265Picture * picture);
static gboolean gst_d3d11_h265_dec_start_picture (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb);
static gboolean gst_d3d11_h265_dec_decode_slice (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice,
GArray * ref_pic_list0, GArray * ref_pic_list1);
static gboolean gst_d3d11_h265_dec_end_picture (GstH265Decoder * decoder,
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);
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->output_picture =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_output_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);
}
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 (element, context, cdata->adapter,
&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_ensure_element_data (GST_ELEMENT_CAST (self), cdata->adapter,
&inner->device)) {
GST_ERROR_OBJECT (self, "Cannot create d3d11device");
return FALSE;
}
inner->d3d11_decoder = gst_d3d11_decoder_new (inner->device,
GST_DXVA_CODEC_H265);
if (!inner->d3d11_decoder) {
GST_ERROR_OBJECT (self, "Cannot create d3d11 decoder");
gst_clear_object (&inner->device);
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 gboolean
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) {
GST_INFO_OBJECT (self, "resolution changed %dx%d -> %dx%d",
crop_width, crop_height, sps->width, sps->height);
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 FALSE;
}
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->coded_width, inner->coded_height,
/* Additional 4 views margin for zero-copy rendering */
max_dpb_size + 4)) {
GST_ERROR_OBJECT (self, "Failed to create decoder");
return FALSE;
}
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
GST_ERROR_OBJECT (self, "Failed to negotiate with downstream");
return FALSE;
}
}
return TRUE;
}
static gboolean
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 FALSE;
}
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 TRUE;
}
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 gboolean
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 FALSE;
}
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 TRUE;
}
static gboolean
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 TRUE;
}
static gboolean
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 FALSE;
}
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 FALSE;
}
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);
gst_caps_set_simple (sink_caps,
"width", GST_TYPE_INT_RANGE, 1, resolution,
"height", GST_TYPE_INT_RANGE, 1, resolution, NULL);
gst_caps_set_simple (src_caps,
"width", GST_TYPE_INT_RANGE, 1, resolution,
"height", GST_TYPE_INT_RANGE, 1, resolution, NULL);
/* 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);
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 (!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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