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gstreamer/sys/d3d11/gstd3d11h265dec.cpp
Seungha Yang 309a940614 d3d11decoder: Do negotiation again per forward/reverse playback mode change 
For reverse playback, we are always copying decoded
frame to downstream buffer. So the pool size can be
and need to be large enough.

In case that forward playback, however, we need to restrict
the max pool size for performance reason. Otherwise decoder
will keep copying decoded texture to downstream buffer pool
if decoding is faster than downstream throughput
performance and also there are queue element between them.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2083>
2021-03-16 05:54:41 +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>
/* 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>
/* *INDENT-OFF* */
G_BEGIN_DECLS
GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_h265_dec_debug);
#define GST_CAT_DEFAULT gst_d3d11_h265_dec_debug
G_END_DECLS
/* *INDENT-ON* */
enum
{
PROP_0,
PROP_ADAPTER,
PROP_DEVICE_ID,
PROP_VENDOR_ID,
};
typedef struct _GstD3D11H265Dec
{
GstH265Decoder parent;
GstVideoCodecState *output_state;
GstD3D11Device *device;
gint width, height;
gint coded_width, coded_height;
guint bitdepth;
guint8 chroma_format_idc;
GstVideoFormat out_format;
GstVideoInterlaceMode interlace_mode;
/* Array of DXVA_Slice_HEVC_Short */
GArray *slice_list;
gboolean submit_iq_data;
GstD3D11Decoder *d3d11_decoder;
/* Pointing current bitstream buffer */
gboolean bad_aligned_bitstream_buffer;
guint written_buffer_size;
guint remaining_buffer_size;
guint8 *bitstream_buffer_data;
DXVA_PicEntry_HEVC ref_pic_list[15];
INT pic_order_cnt_val_list[15];
UCHAR ref_pic_set_st_curr_before[8];
UCHAR ref_pic_set_st_curr_after[8];
UCHAR ref_pic_set_lt_curr[8];
} GstD3D11H265Dec;
typedef struct _GstD3D11H265DecClass
{
GstH265DecoderClass parent_class;
guint adapter;
guint device_id;
guint vendor_id;
} 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_dispose (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_flush (GstVideoDecoder * decoder);
/* 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 gboolean gst_d3d11_h265_dec_fill_picture_params (GstD3D11H265Dec * self,
const GstH265SliceHdr * slice_header, DXVA_PicParams_HEVC * params);
#ifndef GST_DISABLE_GST_DEBUG
static void
gst_d3d11_h265_dec_dump_pic_params (GstD3D11H265Dec * self,
DXVA_PicParams_HEVC * params);
#endif
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;
gchar *long_name;
gobject_class->get_property = gst_d3d11_h265_dec_get_property;
gobject_class->dispose = gst_d3d11_h265_dec_dispose;
g_object_class_install_property (gobject_class, PROP_ADAPTER,
g_param_spec_uint ("adapter", "Adapter",
"DXGI Adapter index for creating device",
0, G_MAXUINT32, cdata->adapter,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_DEVICE_ID,
g_param_spec_uint ("device-id", "Device Id",
"DXGI Device ID", 0, G_MAXUINT32, 0,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_VENDOR_ID,
g_param_spec_uint ("vendor-id", "Vendor Id",
"DXGI Vendor ID", 0, G_MAXUINT32, 0,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
parent_class = (GstElementClass *) g_type_class_peek_parent (klass);
klass->adapter = cdata->adapter;
klass->device_id = cdata->device_id;
klass->vendor_id = cdata->vendor_id;
element_class->set_context =
GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_set_context);
long_name = g_strdup_printf ("Direct3D11/DXVA H.265 %s Decoder",
cdata->description);
gst_element_class_set_metadata (element_class, long_name,
"Codec/Decoder/Video/Hardware",
"A Direct3D11/DXVA H.265 video decoder",
"Seungha Yang <seungha.yang@navercorp.com>");
g_free (long_name);
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
cdata->sink_caps));
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
cdata->src_caps));
gst_d3d11_decoder_class_data_free (cdata);
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->flush = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_flush);
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->slice_list = g_array_new (FALSE, TRUE, sizeof (DXVA_Slice_HEVC_Short));
}
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);
switch (prop_id) {
case PROP_ADAPTER:
g_value_set_uint (value, klass->adapter);
break;
case PROP_DEVICE_ID:
g_value_set_uint (value, klass->device_id);
break;
case PROP_VENDOR_ID:
g_value_set_uint (value, klass->vendor_id);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_h265_dec_dispose (GObject * object)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (object);
if (self->slice_list) {
g_array_unref (self->slice_list);
self->slice_list = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_d3d11_h265_dec_set_context (GstElement * element, GstContext * context)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (element);
GstD3D11H265DecClass *klass = GST_D3D11_H265_DEC_GET_CLASS (self);
gst_d3d11_handle_set_context (element, context, klass->adapter,
&self->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);
GstD3D11H265DecClass *klass = GST_D3D11_H265_DEC_GET_CLASS (self);
if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (self), klass->adapter,
&self->device)) {
GST_ERROR_OBJECT (self, "Cannot create d3d11device");
return FALSE;
}
self->d3d11_decoder = gst_d3d11_decoder_new (self->device);
if (!self->d3d11_decoder) {
GST_ERROR_OBJECT (self, "Cannot create d3d11 decoder");
gst_clear_object (&self->device);
return FALSE;
}
return TRUE;
}
static gboolean
gst_d3d11_h265_dec_close (GstVideoDecoder * decoder)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
if (self->output_state)
gst_video_codec_state_unref (self->output_state);
self->output_state = NULL;
gst_clear_object (&self->d3d11_decoder);
gst_clear_object (&self->device);
return TRUE;
}
static gboolean
gst_d3d11_h265_dec_negotiate (GstVideoDecoder * decoder)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstH265Decoder *h265dec = GST_H265_DECODER (decoder);
if (!gst_d3d11_decoder_negotiate (self->d3d11_decoder, decoder,
h265dec->input_state, &self->output_state)) {
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);
if (!gst_d3d11_decoder_decide_allocation (self->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);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:
if (gst_d3d11_handle_context_query (GST_ELEMENT (decoder),
query, self->device)) {
return TRUE;
}
break;
default:
break;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
}
static gboolean
gst_d3d11_h265_dec_flush (GstVideoDecoder * decoder)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
if (self->d3d11_decoder)
gst_d3d11_decoder_flush (self->d3d11_decoder, decoder);
return GST_VIDEO_DECODER_CLASS (parent_class)->flush (decoder);
}
static gboolean
gst_d3d11_h265_dec_new_sequence (GstH265Decoder * decoder,
const GstH265SPS * sps, gint max_dpb_size)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
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 (self->width != crop_width || self->height != crop_height ||
self->coded_width != sps->width || self->coded_height != sps->height) {
GST_INFO_OBJECT (self, "resolution changed %dx%d (%dx%d)",
crop_width, crop_height, sps->width, sps->height);
self->width = crop_width;
self->height = crop_height;
self->coded_width = sps->width;
self->coded_height = sps->height;
modified = TRUE;
}
if (self->bitdepth != (guint) sps->bit_depth_luma_minus8 + 8) {
GST_INFO_OBJECT (self, "bitdepth changed");
self->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 (self->interlace_mode != interlace_mode) {
GST_INFO_OBJECT (self, "Interlace mode change %d -> %d",
self->interlace_mode, interlace_mode);
self->interlace_mode = interlace_mode;
modified = TRUE;
}
if (self->chroma_format_idc != sps->chroma_format_idc) {
GST_INFO_OBJECT (self, "chroma format changed");
self->chroma_format_idc = sps->chroma_format_idc;
modified = TRUE;
}
if (modified || !gst_d3d11_decoder_is_configured (self->d3d11_decoder)) {
GstVideoInfo info;
self->out_format = GST_VIDEO_FORMAT_UNKNOWN;
if (self->bitdepth == 8) {
if (self->chroma_format_idc == 1) {
self->out_format = GST_VIDEO_FORMAT_NV12;
} else {
GST_FIXME_OBJECT (self, "Could not support 8bits non-4:2:0 format");
}
} else if (self->bitdepth == 10) {
if (self->chroma_format_idc == 1) {
self->out_format = GST_VIDEO_FORMAT_P010_10LE;
} else {
GST_FIXME_OBJECT (self, "Could not support 10bits non-4:2:0 format");
}
}
if (self->out_format == GST_VIDEO_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (self, "Could not support bitdepth/chroma format");
return FALSE;
}
gst_video_info_set_format (&info,
self->out_format, self->width, self->height);
GST_VIDEO_INFO_INTERLACE_MODE (&info) = self->interlace_mode;
if (!gst_d3d11_decoder_configure (self->d3d11_decoder, GST_D3D11_CODEC_H265,
&info, self->coded_width, self->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_get_bitstream_buffer (GstD3D11H265Dec * self)
{
GST_TRACE_OBJECT (self, "Getting bitstream buffer");
if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
D3D11_VIDEO_DECODER_BUFFER_BITSTREAM, &self->remaining_buffer_size,
(gpointer *) & self->bitstream_buffer_data)) {
GST_ERROR_OBJECT (self, "Faild to get bitstream buffer");
return FALSE;
}
GST_TRACE_OBJECT (self, "Got bitstream buffer %p with size %d",
self->bitstream_buffer_data, self->remaining_buffer_size);
self->written_buffer_size = 0;
if ((self->remaining_buffer_size & 127) != 0) {
GST_WARNING_OBJECT (self,
"The size of bitstream buffer is not 128 bytes aligned");
self->bad_aligned_bitstream_buffer = TRUE;
} else {
self->bad_aligned_bitstream_buffer = FALSE;
}
return TRUE;
}
static ID3D11VideoDecoderOutputView *
gst_d3d11_h265_dec_get_output_view_from_picture (GstD3D11H265Dec * self,
GstH265Picture * picture)
{
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 (self->d3d11_decoder,
view_buffer);
if (!view) {
GST_DEBUG_OBJECT (self, "current picture does not have output view handle");
return NULL;
}
return view;
}
static gint
gst_d3d11_h265_dec_get_ref_index (GstD3D11H265Dec * self, gint view_id)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (self->ref_pic_list); i++) {
if (self->ref_pic_list[i].Index7Bits == view_id)
return i;
}
return 0xff;
}
static gboolean
gst_d3d11_h265_dec_start_picture (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
ID3D11VideoDecoderOutputView *view;
guint i, j;
GArray *dpb_array;
GstH265SPS *sps;
GstH265PPS *pps;
DXVA_PicParams_HEVC pic_params = { 0, };
DXVA_Qmatrix_HEVC iq_matrix = { 0, };
GstH265ScalingList *scaling_list = NULL;
guint d3d11_buffer_size = 0;
gpointer d3d11_buffer = NULL;
pps = slice->header.pps;
g_assert (pps != NULL);
sps = pps->sps;
g_assert (sps != NULL);
view = gst_d3d11_h265_dec_get_output_view_from_picture (self, picture);
if (!view) {
GST_ERROR_OBJECT (self, "current picture does not have output view handle");
return FALSE;
}
GST_TRACE_OBJECT (self, "Begin frame");
if (!gst_d3d11_decoder_begin_frame (self->d3d11_decoder, view, 0, NULL)) {
GST_ERROR_OBJECT (self, "Failed to begin frame");
return FALSE;
}
for (i = 0; i < 15; i++) {
self->ref_pic_list[i].bPicEntry = 0xff;
self->pic_order_cnt_val_list[i] = 0;
}
for (i = 0; i < 8; i++) {
self->ref_pic_set_st_curr_before[i] = 0xff;
self->ref_pic_set_st_curr_after[i] = 0xff;
self->ref_pic_set_lt_curr[i] = 0xff;
}
dpb_array = gst_h265_dpb_get_pictures_all (dpb);
GST_LOG_OBJECT (self, "DPB size %d", dpb_array->len);
for (i = 0; i < dpb_array->len && i < G_N_ELEMENTS (self->ref_pic_list); i++) {
GstH265Picture *other = g_array_index (dpb_array, GstH265Picture *, i);
ID3D11VideoDecoderOutputView *other_view;
gint id = 0xff;
if (!other->ref) {
GST_LOG_OBJECT (self, "%dth picture in dpb is not reference, skip", i);
continue;
}
other_view = gst_d3d11_h265_dec_get_output_view_from_picture (self, other);
if (other_view)
id = gst_d3d11_decoder_get_output_view_index (other_view);
self->ref_pic_list[i].Index7Bits = id;
self->ref_pic_list[i].AssociatedFlag = other->long_term;
self->pic_order_cnt_val_list[i] = other->pic_order_cnt;
}
for (i = 0, j = 0; i < G_N_ELEMENTS (self->ref_pic_set_st_curr_before); i++) {
GstH265Picture *other = NULL;
gint id = 0xff;
while (other == NULL && 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);
if (other_view) {
id = gst_d3d11_h265_dec_get_ref_index (self,
gst_d3d11_decoder_get_output_view_index (other_view));
}
}
self->ref_pic_set_st_curr_before[i] = id;
}
for (i = 0, j = 0; i < G_N_ELEMENTS (self->ref_pic_set_st_curr_after); i++) {
GstH265Picture *other = NULL;
gint id = 0xff;
while (other == NULL && 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);
if (other_view) {
id = gst_d3d11_h265_dec_get_ref_index (self,
gst_d3d11_decoder_get_output_view_index (other_view));
}
}
self->ref_pic_set_st_curr_after[i] = id;
}
for (i = 0, j = 0; i < G_N_ELEMENTS (self->ref_pic_set_lt_curr); i++) {
GstH265Picture *other = NULL;
gint id = 0xff;
while (other == NULL && 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);
if (other_view) {
id = gst_d3d11_h265_dec_get_ref_index (self,
gst_d3d11_decoder_get_output_view_index (other_view));
}
}
self->ref_pic_set_lt_curr[i] = id;
}
view = gst_d3d11_h265_dec_get_output_view_from_picture (self, picture);
if (!view) {
GST_ERROR_OBJECT (self, "current picture does not have output view");
return FALSE;
}
gst_d3d11_h265_dec_fill_picture_params (self, &slice->header, &pic_params);
pic_params.CurrPic.Index7Bits =
gst_d3d11_decoder_get_output_view_index (view);
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;
memcpy (pic_params.RefPicList, self->ref_pic_list,
sizeof (pic_params.RefPicList));
memcpy (pic_params.PicOrderCntValList, self->pic_order_cnt_val_list,
sizeof (pic_params.PicOrderCntValList));
memcpy (pic_params.RefPicSetStCurrBefore, self->ref_pic_set_st_curr_before,
sizeof (pic_params.RefPicSetStCurrBefore));
memcpy (pic_params.RefPicSetStCurrAfter, self->ref_pic_set_st_curr_after,
sizeof (pic_params.RefPicSetStCurrAfter));
memcpy (pic_params.RefPicSetLtCurr, self->ref_pic_set_lt_curr,
sizeof (pic_params.RefPicSetLtCurr));
#ifndef GST_DISABLE_GST_DEBUG
if (gst_debug_category_get_threshold (GST_CAT_DEFAULT) >= GST_LEVEL_TRACE)
gst_d3d11_h265_dec_dump_pic_params (self, &pic_params);
#endif
GST_TRACE_OBJECT (self, "Getting picture param decoder buffer");
if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS, &d3d11_buffer_size,
&d3d11_buffer)) {
GST_ERROR_OBJECT (self,
"Failed to get decoder buffer for picture parameters");
return FALSE;
}
memcpy (d3d11_buffer, &pic_params, sizeof (pic_params));
GST_TRACE_OBJECT (self, "Release picture param decoder buffer");
if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS)) {
GST_ERROR_OBJECT (self, "Failed to release decoder buffer");
return FALSE;
}
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) {
self->submit_iq_data = TRUE;
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 < 6; i++)
iq_matrix.ucScalingListDCCoefSizeID2[i] =
scaling_list->scaling_list_dc_coef_minus8_16x16[i] + 8;
for (i = 0; i < 2; i++)
iq_matrix.ucScalingListDCCoefSizeID3[i] =
scaling_list->scaling_list_dc_coef_minus8_32x32[i] + 8;
GST_TRACE_OBJECT (self, "Getting inverse quantization matrix buffer");
if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX,
&d3d11_buffer_size, &d3d11_buffer)) {
GST_ERROR_OBJECT (self,
"Failed to get decoder buffer for inv. quantization matrix");
return FALSE;
}
memcpy (d3d11_buffer, &iq_matrix, sizeof (iq_matrix));
GST_TRACE_OBJECT (self, "Release inverse quantization matrix buffer");
if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX)) {
GST_ERROR_OBJECT (self, "Failed to release decoder buffer");
return FALSE;
}
} else {
self->submit_iq_data = FALSE;
}
g_array_unref (dpb_array);
g_array_set_size (self->slice_list, 0);
return gst_d3d11_h265_dec_get_bitstream_buffer (self);
}
static gboolean
gst_d3d11_h265_dec_new_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * cframe, GstH265Picture * picture)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstBuffer *view_buffer;
view_buffer = gst_d3d11_decoder_get_output_view_buffer (self->d3d11_decoder,
GST_VIDEO_DECODER (decoder));
if (!view_buffer) {
GST_ERROR_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 GstFlowReturn
gst_d3d11_h265_dec_output_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * frame, GstH265Picture * picture)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstBuffer *output_buffer = NULL;
GstBuffer *view_buffer;
gboolean direct_rendering = FALSE;
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 downstream is d3d11 element and forward playback case,
* expose our decoder view without copy. In case of reverse playback, however,
* we cannot do that since baseclass will store the decoded buffer
* up to gop size but our dpb pool cannot be increased */
if (GST_VIDEO_DECODER (self)->input_segment.rate > 0
&& gst_d3d11_decoder_can_direct_render (self->d3d11_decoder, view_buffer,
GST_MINI_OBJECT_CAST (picture))) {
direct_rendering = TRUE;
}
if (direct_rendering) {
GstMemory *mem;
output_buffer = gst_buffer_ref (view_buffer);
mem = gst_buffer_peek_memory (output_buffer, 0);
GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
} else {
output_buffer =
gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self));
}
if (!output_buffer) {
GST_ERROR_OBJECT (self, "Couldn't allocate output buffer");
goto error;
}
frame->output_buffer = output_buffer;
if (!gst_d3d11_decoder_process_output (self->d3d11_decoder,
&self->output_state->info,
GST_VIDEO_INFO_WIDTH (&self->output_state->info),
GST_VIDEO_INFO_HEIGHT (&self->output_state->info),
view_buffer, output_buffer)) {
GST_ERROR_OBJECT (self, "Failed to copy buffer");
gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
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_video_decoder_drop_frame (vdec, frame);
gst_h265_picture_unref (picture);
return GST_FLOW_ERROR;
}
static gboolean
gst_d3d11_h265_dec_submit_slice_data (GstD3D11H265Dec * self)
{
guint buffer_size;
gpointer buffer;
guint8 *data;
gsize offset = 0;
guint i;
D3D11_VIDEO_DECODER_BUFFER_DESC buffer_desc[4];
gboolean ret;
guint buffer_count = 0;
DXVA_Slice_HEVC_Short *slice_data;
if (self->slice_list->len < 1) {
GST_WARNING_OBJECT (self, "Nothing to submit");
return FALSE;
}
memset (buffer_desc, 0, sizeof (buffer_desc));
slice_data = &g_array_index (self->slice_list, DXVA_Slice_HEVC_Short,
self->slice_list->len - 1);
/* DXVA2 spec is saying that written bitstream data must be 128 bytes
* aligned if the bitstream buffer contains end of slice
* (i.e., wBadSliceChopping == 0 or 2) */
if (slice_data->wBadSliceChopping == 0 || slice_data->wBadSliceChopping == 2) {
guint padding =
MIN (GST_ROUND_UP_128 (self->written_buffer_size) -
self->written_buffer_size, self->remaining_buffer_size);
if (padding) {
GST_TRACE_OBJECT (self,
"Written bitstream buffer size %u is not 128 bytes aligned, "
"add padding %u bytes", self->written_buffer_size, padding);
memset (self->bitstream_buffer_data, 0, padding);
self->written_buffer_size += padding;
slice_data->SliceBytesInBuffer += padding;
}
}
GST_TRACE_OBJECT (self, "Getting slice control buffer");
if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL, &buffer_size, &buffer)) {
GST_ERROR_OBJECT (self, "Couldn't get slice control buffer");
return FALSE;
}
data = (guint8 *) buffer;
for (i = 0; i < self->slice_list->len; i++) {
slice_data = &g_array_index (self->slice_list, DXVA_Slice_HEVC_Short, i);
memcpy (data + offset, slice_data, sizeof (DXVA_Slice_HEVC_Short));
offset += sizeof (DXVA_Slice_HEVC_Short);
}
GST_TRACE_OBJECT (self, "Release slice control buffer");
if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL)) {
GST_ERROR_OBJECT (self, "Failed to release slice control buffer");
return FALSE;
}
if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
D3D11_VIDEO_DECODER_BUFFER_BITSTREAM)) {
GST_ERROR_OBJECT (self, "Failed to release bitstream buffer");
return FALSE;
}
buffer_desc[buffer_count].BufferType =
D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
buffer_desc[buffer_count].DataOffset = 0;
buffer_desc[buffer_count].DataSize = sizeof (DXVA_PicParams_HEVC);
buffer_count++;
if (self->submit_iq_data) {
buffer_desc[buffer_count].BufferType =
D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
buffer_desc[buffer_count].DataOffset = 0;
buffer_desc[buffer_count].DataSize = sizeof (DXVA_Qmatrix_HEVC);
buffer_count++;
}
buffer_desc[buffer_count].BufferType =
D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
buffer_desc[buffer_count].DataOffset = 0;
buffer_desc[buffer_count].DataSize =
sizeof (DXVA_Slice_HEVC_Short) * self->slice_list->len;
buffer_count++;
if (!self->bad_aligned_bitstream_buffer
&& (self->written_buffer_size & 127) != 0) {
GST_WARNING_OBJECT (self,
"Written bitstream buffer size %u is not 128 bytes aligned",
self->written_buffer_size);
}
buffer_desc[buffer_count].BufferType = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
buffer_desc[buffer_count].DataOffset = 0;
buffer_desc[buffer_count].DataSize = self->written_buffer_size;
buffer_count++;
ret = gst_d3d11_decoder_submit_decoder_buffers (self->d3d11_decoder,
buffer_count, buffer_desc);
self->written_buffer_size = 0;
self->bitstream_buffer_data = NULL;
self->remaining_buffer_size = 0;
g_array_set_size (self->slice_list, 0);
return ret;
}
static gboolean
gst_d3d11_h265_dec_end_picture (GstH265Decoder * decoder,
GstH265Picture * picture)
{
GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder);
GST_LOG_OBJECT (self, "end picture %p, (poc %d)",
picture, picture->pic_order_cnt);
if (!gst_d3d11_h265_dec_submit_slice_data (self)) {
GST_ERROR_OBJECT (self, "Failed to submit slice data");
return FALSE;
}
if (!gst_d3d11_decoder_end_frame (self->d3d11_decoder)) {
GST_ERROR_OBJECT (self, "Failed to EndFrame");
return FALSE;
}
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;
memset (params, 0, sizeof (DXVA_PicParams_HEVC));
/* 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;
}
#ifndef GST_DISABLE_GST_DEBUG
static void
gst_d3d11_h265_dec_dump_pic_params (GstD3D11H265Dec * self,
DXVA_PicParams_HEVC * params)
{
guint i;
GST_TRACE_OBJECT (self, "Dump current DXVA_PicParams_HEVC");
#define DUMP_PIC_PARAMS(p) \
GST_TRACE_OBJECT (self, "\t" G_STRINGIFY(p) ": %d", (gint)params->p)
DUMP_PIC_PARAMS (PicWidthInMinCbsY);
DUMP_PIC_PARAMS (PicHeightInMinCbsY);
DUMP_PIC_PARAMS (chroma_format_idc);
DUMP_PIC_PARAMS (separate_colour_plane_flag);
DUMP_PIC_PARAMS (bit_depth_chroma_minus8);
DUMP_PIC_PARAMS (NoPicReorderingFlag);
DUMP_PIC_PARAMS (NoBiPredFlag);
DUMP_PIC_PARAMS (CurrPic.Index7Bits);
DUMP_PIC_PARAMS (sps_max_dec_pic_buffering_minus1);
DUMP_PIC_PARAMS (log2_min_luma_coding_block_size_minus3);
DUMP_PIC_PARAMS (log2_diff_max_min_luma_coding_block_size);
DUMP_PIC_PARAMS (log2_min_transform_block_size_minus2);
DUMP_PIC_PARAMS (log2_diff_max_min_transform_block_size);
DUMP_PIC_PARAMS (max_transform_hierarchy_depth_inter);
DUMP_PIC_PARAMS (max_transform_hierarchy_depth_intra);
DUMP_PIC_PARAMS (num_short_term_ref_pic_sets);
DUMP_PIC_PARAMS (num_long_term_ref_pics_sps);
DUMP_PIC_PARAMS (num_ref_idx_l0_default_active_minus1);
DUMP_PIC_PARAMS (num_ref_idx_l1_default_active_minus1);
DUMP_PIC_PARAMS (init_qp_minus26);
DUMP_PIC_PARAMS (ucNumDeltaPocsOfRefRpsIdx);
DUMP_PIC_PARAMS (wNumBitsForShortTermRPSInSlice);
DUMP_PIC_PARAMS (scaling_list_enabled_flag);
DUMP_PIC_PARAMS (amp_enabled_flag);
DUMP_PIC_PARAMS (sample_adaptive_offset_enabled_flag);
DUMP_PIC_PARAMS (pcm_enabled_flag);
DUMP_PIC_PARAMS (pcm_sample_bit_depth_luma_minus1);
DUMP_PIC_PARAMS (pcm_sample_bit_depth_chroma_minus1);
DUMP_PIC_PARAMS (log2_min_pcm_luma_coding_block_size_minus3);
DUMP_PIC_PARAMS (log2_diff_max_min_pcm_luma_coding_block_size);
DUMP_PIC_PARAMS (pcm_loop_filter_disabled_flag);
DUMP_PIC_PARAMS (long_term_ref_pics_present_flag);
DUMP_PIC_PARAMS (sps_temporal_mvp_enabled_flag);
DUMP_PIC_PARAMS (strong_intra_smoothing_enabled_flag);
DUMP_PIC_PARAMS (dependent_slice_segments_enabled_flag);
DUMP_PIC_PARAMS (output_flag_present_flag);
DUMP_PIC_PARAMS (num_extra_slice_header_bits);
DUMP_PIC_PARAMS (sign_data_hiding_enabled_flag);
DUMP_PIC_PARAMS (cabac_init_present_flag);
DUMP_PIC_PARAMS (constrained_intra_pred_flag);
DUMP_PIC_PARAMS (transform_skip_enabled_flag);
DUMP_PIC_PARAMS (cu_qp_delta_enabled_flag);
DUMP_PIC_PARAMS (pps_slice_chroma_qp_offsets_present_flag);
DUMP_PIC_PARAMS (weighted_pred_flag);
DUMP_PIC_PARAMS (weighted_bipred_flag);
DUMP_PIC_PARAMS (transquant_bypass_enabled_flag);
DUMP_PIC_PARAMS (tiles_enabled_flag);
DUMP_PIC_PARAMS (entropy_coding_sync_enabled_flag);
DUMP_PIC_PARAMS (uniform_spacing_flag);
DUMP_PIC_PARAMS (loop_filter_across_tiles_enabled_flag);
DUMP_PIC_PARAMS (pps_loop_filter_across_slices_enabled_flag);
DUMP_PIC_PARAMS (deblocking_filter_override_enabled_flag);
DUMP_PIC_PARAMS (pps_deblocking_filter_disabled_flag);
DUMP_PIC_PARAMS (lists_modification_present_flag);
DUMP_PIC_PARAMS (IrapPicFlag);
DUMP_PIC_PARAMS (IdrPicFlag);
DUMP_PIC_PARAMS (IntraPicFlag);
DUMP_PIC_PARAMS (pps_cb_qp_offset);
DUMP_PIC_PARAMS (pps_cr_qp_offset);
DUMP_PIC_PARAMS (num_tile_columns_minus1);
DUMP_PIC_PARAMS (num_tile_rows_minus1);
for (i = 0; i < G_N_ELEMENTS (params->column_width_minus1); i++)
GST_TRACE_OBJECT (self, "\tcolumn_width_minus1[%d]: %d", i,
params->column_width_minus1[i]);
for (i = 0; i < G_N_ELEMENTS (params->row_height_minus1); i++)
GST_TRACE_OBJECT (self, "\trow_height_minus1[%d]: %d", i,
params->row_height_minus1[i]);
DUMP_PIC_PARAMS (diff_cu_qp_delta_depth);
DUMP_PIC_PARAMS (pps_beta_offset_div2);
DUMP_PIC_PARAMS (pps_tc_offset_div2);
DUMP_PIC_PARAMS (log2_parallel_merge_level_minus2);
DUMP_PIC_PARAMS (CurrPicOrderCntVal);
for (i = 0; i < G_N_ELEMENTS (params->RefPicList); i++) {
GST_TRACE_OBJECT (self, "\tRefPicList[%d].Index7Bits: %d", i,
params->RefPicList[i].Index7Bits);
GST_TRACE_OBJECT (self, "\tRefPicList[%d].AssociatedFlag: %d", i,
params->RefPicList[i].AssociatedFlag);
GST_TRACE_OBJECT (self, "\tPicOrderCntValList[%d]: %d", i,
params->PicOrderCntValList[i]);
}
for (i = 0; i < G_N_ELEMENTS (params->RefPicSetStCurrBefore); i++) {
GST_TRACE_OBJECT (self, "\tRefPicSetStCurrBefore[%d]: %d", i,
params->RefPicSetStCurrBefore[i]);
GST_TRACE_OBJECT (self, "\tRefPicSetStCurrAfter[%d]: %d", i,
params->RefPicSetStCurrAfter[i]);
GST_TRACE_OBJECT (self, "\tRefPicSetLtCurr[%d]: %d", i,
params->RefPicSetLtCurr[i]);
}
#undef DUMP_PIC_PARAMS
}
#endif
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);
{
guint to_write = slice->nalu.size + 3;
gboolean is_first = TRUE;
while (to_write > 0) {
guint bytes_to_copy;
gboolean is_last = TRUE;
DXVA_Slice_HEVC_Short slice_short = { 0, };
if (self->remaining_buffer_size < to_write && self->slice_list->len > 0) {
if (!gst_d3d11_h265_dec_submit_slice_data (self)) {
GST_ERROR_OBJECT (self, "Failed to submit bitstream buffers");
return FALSE;
}
if (!gst_d3d11_h265_dec_get_bitstream_buffer (self)) {
GST_ERROR_OBJECT (self, "Failed to get bitstream buffer");
return FALSE;
}
}
/* remaining_buffer_size: the size of remaining d3d11 decoder
* bitstream memory allowed to write more
* written_buffer_size: the size of written bytes to this d3d11 decoder
* bitstream memory
* bytes_to_copy: the size of which we would write to d3d11 decoder
* bitstream memory in this loop
*/
bytes_to_copy = to_write;
if (bytes_to_copy > self->remaining_buffer_size) {
/* if the size of this slice is larger than the size of remaining d3d11
* decoder bitstream memory, write the data up to the remaining d3d11
* decoder bitstream memory size and the rest would be written to the
* next d3d11 bitstream memory */
bytes_to_copy = self->remaining_buffer_size;
is_last = FALSE;
}
if (bytes_to_copy >= 3 && is_first) {
/* normal case */
self->bitstream_buffer_data[0] = 0;
self->bitstream_buffer_data[1] = 0;
self->bitstream_buffer_data[2] = 1;
memcpy (self->bitstream_buffer_data + 3,
slice->nalu.data + slice->nalu.offset, bytes_to_copy - 3);
} else {
/* when this nal unit date is splitted into two buffer */
memcpy (self->bitstream_buffer_data,
slice->nalu.data + slice->nalu.offset, bytes_to_copy);
}
/* For wBadSliceChopping value 0 or 1, BSNALunitDataLocation means
* the offset of the first start code of this slice in this d3d11
* memory buffer.
* 1) If this is the first slice of picture, it should be zero
* since we write start code at offset 0 (written size before this
* slice also must be zero).
* 2) If this is not the first slice of picture but this is the first
* d3d11 bitstream buffer (meaning that one bitstream buffer contains
* multiple slices), then this is the written size of buffer
* excluding this loop.
* And for wBadSliceChopping value 2 or 3, this should be zero by spec */
if (is_first)
slice_short.BSNALunitDataLocation = self->written_buffer_size;
else
slice_short.BSNALunitDataLocation = 0;
slice_short.SliceBytesInBuffer = bytes_to_copy;
/* wBadSliceChopping: (dxva h265 spec.)
* 0: All bits for the slice are located within the corresponding
* bitstream data buffer
* 1: The bitstream data buffer contains the start of the slice,
* but not the entire slice, because the buffer is full
* 2: The bitstream data buffer contains the end of the slice.
* It does not contain the start of the slice, because the start of
* the slice was located in the previous bitstream data buffer.
* 3: The bitstream data buffer does not contain the start of the slice
* (because the start of the slice was located in the previous
* bitstream data buffer), and it does not contain the end of the slice
* (because the current bitstream data buffer is also full).
*/
if (is_last && is_first) {
slice_short.wBadSliceChopping = 0;
} else if (!is_last && is_first) {
slice_short.wBadSliceChopping = 1;
} else if (is_last && !is_first) {
slice_short.wBadSliceChopping = 2;
} else {
slice_short.wBadSliceChopping = 3;
}
g_array_append_val (self->slice_list, slice_short);
self->remaining_buffer_size -= bytes_to_copy;
self->written_buffer_size += bytes_to_copy;
self->bitstream_buffer_data += bytes_to_copy;
is_first = FALSE;
to_write -= bytes_to_copy;
}
}
return TRUE;
}
typedef struct
{
guint width;
guint height;
} GstD3D11H265DecResolution;
void
gst_d3d11_h265_dec_register (GstPlugin * plugin, GstD3D11Device * device,
GstD3D11Decoder * decoder, 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;
/* values were taken from chromium.
* Note that since chromium does not support hevc decoding, this list is
* the combination of lists for avc and vp9.
* See supported_profile_helper.cc */
GstD3D11H265DecResolution resolutions_to_check[] = {
{1920, 1088}, {2560, 1440}, {3840, 2160}, {4096, 2160},
{4096, 2304}, {7680, 4320}, {8192, 4320}, {8192, 8192}
};
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 (decoder,
GST_D3D11_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 (decoder, 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 (decoder,
GST_D3D11_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 (decoder, 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 (resolutions_to_check); i++) {
if (gst_d3d11_decoder_supports_resolution (decoder, profile,
format, resolutions_to_check[i].width,
resolutions_to_check[i].height)) {
max_width = resolutions_to_check[i].width;
max_height = resolutions_to_check[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, 64, resolution,
"height", GST_TYPE_INT_RANGE, 64, resolution, NULL);
gst_caps_set_simple (src_caps,
"width", GST_TYPE_INT_RANGE, 64, resolution,
"height", GST_TYPE_INT_RANGE, 64, 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, 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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