gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/dxva/gstdxvavp9decoder.cpp

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/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstdxvavp9decoder.h"
#include <string.h>
#include <vector>
#include "gstdxvatypedef.h"
GST_DEBUG_CATEGORY_STATIC (gst_dxva_vp9_decoder_debug);
#define GST_CAT_DEFAULT gst_dxva_vp9_decoder_debug
/* *INDENT-OFF* */
struct _GstDxvaVp9DecoderPrivate
{
DXVA_PicParams_VP9 pic_params;
DXVA_Slice_VPx_Short slice;
std::vector<guint8> bitstream_buffer;
GPtrArray *ref_pics = nullptr;
/* To calculate use_prev_in_find_mv_refs */
guint last_frame_width = 0;
guint last_frame_height = 0;
gboolean last_show_frame = FALSE;
};
/* *INDENT-ON* */
static void gst_dxva_vp9_decoder_finalize (GObject * object);
static gboolean gst_dxva_vp9_decoder_start (GstVideoDecoder * decoder);
static GstFlowReturn gst_dxva_vp9_decoder_new_sequence (GstVp9Decoder * decoder,
const GstVp9FrameHeader * frame_hdr, gint max_dpb_size);
static GstFlowReturn gst_dxva_vp9_decoder_new_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture);
static GstVp9Picture *gst_dxva_vp9_decoder_duplicate_picture (GstVp9Decoder *
decoder, GstVideoCodecFrame * frame, GstVp9Picture * picture);
static GstFlowReturn
gst_dxva_vp9_decoder_decode_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture, GstVp9Dpb * dpb);
static GstFlowReturn gst_dxva_vp9_decoder_end_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture);
static GstFlowReturn gst_dxva_vp9_decoder_output_picture (GstVp9Decoder *
decoder, GstVideoCodecFrame * frame, GstVp9Picture * picture);
#define gst_dxva_vp9_decoder_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstDxvaVp9Decoder,
gst_dxva_vp9_decoder, GST_TYPE_VP9_DECODER,
GST_DEBUG_CATEGORY_INIT (gst_dxva_vp9_decoder_debug, "dxvavp9decoder",
0, "dxvavp9decoder"));
static void
gst_dxva_vp9_decoder_class_init (GstDxvaVp9DecoderClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
GstVp9DecoderClass *vp9decoder_class = GST_VP9_DECODER_CLASS (klass);
object_class->finalize = gst_dxva_vp9_decoder_finalize;
decoder_class->start = GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_start);
vp9decoder_class->new_sequence =
GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_new_sequence);
vp9decoder_class->new_picture =
GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_new_picture);
vp9decoder_class->duplicate_picture =
GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_duplicate_picture);
vp9decoder_class->decode_picture =
GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_decode_picture);
vp9decoder_class->end_picture =
GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_end_picture);
vp9decoder_class->output_picture =
GST_DEBUG_FUNCPTR (gst_dxva_vp9_decoder_output_picture);
}
static void
gst_dxva_vp9_decoder_init (GstDxvaVp9Decoder * self)
{
self->priv = new GstDxvaVp9DecoderPrivate ();
self->priv->ref_pics = g_ptr_array_new ();
}
static void
gst_dxva_vp9_decoder_finalize (GObject * object)
{
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (object);
GstDxvaVp9DecoderPrivate *priv = self->priv;
g_ptr_array_unref (priv->ref_pics);
delete self->priv;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_dxva_vp9_decoder_reset (GstDxvaVp9Decoder * self)
{
GstDxvaVp9DecoderPrivate *priv = self->priv;
priv->last_frame_width = 0;
priv->last_frame_height = 0;
priv->last_show_frame = FALSE;
}
static gboolean
gst_dxva_vp9_decoder_start (GstVideoDecoder * decoder)
{
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
gst_dxva_vp9_decoder_reset (self);
return GST_VIDEO_DECODER_CLASS (parent_class)->start (decoder);
}
static GstFlowReturn
gst_dxva_vp9_decoder_new_sequence (GstVp9Decoder * decoder,
const GstVp9FrameHeader * frame_hdr, gint max_dpb_size)
{
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
GstDxvaVp9DecoderPrivate *priv = self->priv;
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
GstVideoInfo info;
GstVideoFormat out_format = GST_VIDEO_FORMAT_UNKNOWN;
GstFlowReturn ret;
GST_LOG_OBJECT (self, "new sequence");
if (frame_hdr->profile == GST_VP9_PROFILE_0)
out_format = GST_VIDEO_FORMAT_NV12;
else if (frame_hdr->profile == GST_VP9_PROFILE_2)
out_format = GST_VIDEO_FORMAT_P010_10LE;
if (out_format == GST_VIDEO_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (self, "Could not support profile %d", frame_hdr->profile);
return GST_FLOW_NOT_NEGOTIATED;
}
/* Will be updated per decode_picture */
priv->last_frame_width = priv->last_frame_height = 0;
priv->last_show_frame = FALSE;
gst_video_info_set_format (&info,
out_format, frame_hdr->width, frame_hdr->height);
g_assert (klass->configure);
ret = klass->configure (self, decoder->input_state, &info, 0, 0,
frame_hdr->width, frame_hdr->height, max_dpb_size);
if (ret == GST_FLOW_OK &&
!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
GST_WARNING_OBJECT (self, "Couldn't negotiate with new sequence");
ret = GST_FLOW_NOT_NEGOTIATED;
}
return ret;
}
static GstFlowReturn
gst_dxva_vp9_decoder_new_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture)
{
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
g_assert (klass->new_picture);
return klass->new_picture (self, GST_CODEC_PICTURE (picture));
}
static GstVp9Picture *
gst_dxva_vp9_decoder_duplicate_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture)
{
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
GstVp9Picture *new_picture;
g_assert (klass->duplicate_picture);
new_picture = gst_vp9_picture_new ();
new_picture->frame_hdr = picture->frame_hdr;
if (klass->duplicate_picture (self, GST_CODEC_PICTURE (picture),
GST_CODEC_PICTURE (new_picture)) != GST_FLOW_OK) {
gst_vp9_picture_unref (new_picture);
return nullptr;
}
return new_picture;
}
static void
gst_dxva_vp9_decoder_copy_frame_params (GstDxvaVp9Decoder * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
params->profile = frame_hdr->profile;
params->frame_type = frame_hdr->frame_type;
params->show_frame = frame_hdr->show_frame;
params->error_resilient_mode = frame_hdr->error_resilient_mode;
params->subsampling_x = frame_hdr->subsampling_x;
params->subsampling_y = frame_hdr->subsampling_y;
params->refresh_frame_context = frame_hdr->refresh_frame_context;
params->frame_parallel_decoding_mode =
frame_hdr->frame_parallel_decoding_mode;
params->intra_only = frame_hdr->intra_only;
params->frame_context_idx = frame_hdr->frame_context_idx;
params->reset_frame_context = frame_hdr->reset_frame_context;
if (frame_hdr->frame_type == GST_VP9_KEY_FRAME)
params->allow_high_precision_mv = 0;
else
params->allow_high_precision_mv = frame_hdr->allow_high_precision_mv;
params->width = frame_hdr->width;
params->height = frame_hdr->height;
params->BitDepthMinus8Luma = frame_hdr->bit_depth - 8;
params->BitDepthMinus8Chroma = frame_hdr->bit_depth - 8;
params->interp_filter = frame_hdr->interpolation_filter;
params->log2_tile_cols = frame_hdr->tile_cols_log2;
params->log2_tile_rows = frame_hdr->tile_rows_log2;
}
static void
gst_dxva_vp9_decoder_copy_reference_frames (GstDxvaVp9Decoder * self,
GstVp9Picture * picture, GstVp9Dpb * dpb, DXVA_PicParams_VP9 * params)
{
GstDxvaVp9DecoderPrivate *priv = self->priv;
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
for (guint i = 0; i < GST_VP9_REF_FRAMES; i++) {
params->ref_frame_map[i].bPicEntry = 0xff;
params->ref_frame_coded_width[i] = 0;
params->ref_frame_coded_height[i] = 0;
if (dpb->pic_list[i]) {
GstVp9Picture *other = dpb->pic_list[i];
guint8 id = klass->get_picture_id (self, GST_CODEC_PICTURE (other));
if (id != 0xff) {
params->ref_frame_map[i].Index7Bits = id;
params->ref_frame_coded_width[i] = other->frame_hdr.width;
params->ref_frame_coded_height[i] = other->frame_hdr.height;
g_ptr_array_add (priv->ref_pics, other);
}
}
}
}
static void
gst_dxva_vp9_decoder_copy_frame_refs (GstDxvaVp9Decoder * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
gint i;
for (i = 0; i < GST_VP9_REFS_PER_FRAME; i++)
params->frame_refs[i] = params->ref_frame_map[frame_hdr->ref_frame_idx[i]];
G_STATIC_ASSERT (G_N_ELEMENTS (params->ref_frame_sign_bias) ==
G_N_ELEMENTS (frame_hdr->ref_frame_sign_bias));
G_STATIC_ASSERT (sizeof (params->ref_frame_sign_bias) ==
sizeof (frame_hdr->ref_frame_sign_bias));
memcpy (params->ref_frame_sign_bias,
frame_hdr->ref_frame_sign_bias, sizeof (frame_hdr->ref_frame_sign_bias));
}
static void
gst_dxva_vp9_decoder_copy_loop_filter_params (GstDxvaVp9Decoder * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
GstDxvaVp9DecoderPrivate *priv = self->priv;
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
const GstVp9LoopFilterParams *lfp = &frame_hdr->loop_filter_params;
params->filter_level = lfp->loop_filter_level;
params->sharpness_level = lfp->loop_filter_sharpness;
params->mode_ref_delta_enabled = lfp->loop_filter_delta_enabled;
params->mode_ref_delta_update = lfp->loop_filter_delta_update;
params->use_prev_in_find_mv_refs =
priv->last_show_frame && !frame_hdr->error_resilient_mode;
if (frame_hdr->frame_type != GST_VP9_KEY_FRAME && !frame_hdr->intra_only) {
params->use_prev_in_find_mv_refs &=
(frame_hdr->width == priv->last_frame_width &&
frame_hdr->height == priv->last_frame_height);
}
G_STATIC_ASSERT (G_N_ELEMENTS (params->ref_deltas) ==
G_N_ELEMENTS (lfp->loop_filter_ref_deltas));
G_STATIC_ASSERT (sizeof (params->ref_deltas) ==
sizeof (lfp->loop_filter_ref_deltas));
memcpy (params->ref_deltas, lfp->loop_filter_ref_deltas,
sizeof (lfp->loop_filter_ref_deltas));
G_STATIC_ASSERT (G_N_ELEMENTS (params->mode_deltas) ==
G_N_ELEMENTS (lfp->loop_filter_mode_deltas));
G_STATIC_ASSERT (sizeof (params->mode_deltas) ==
sizeof (lfp->loop_filter_mode_deltas));
memcpy (params->mode_deltas, lfp->loop_filter_mode_deltas,
sizeof (lfp->loop_filter_mode_deltas));
}
static void
gst_dxva_vp9_decoder_copy_quant_params (GstDxvaVp9Decoder * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
const GstVp9QuantizationParams *qp = &frame_hdr->quantization_params;
params->base_qindex = qp->base_q_idx;
params->y_dc_delta_q = qp->delta_q_y_dc;
params->uv_dc_delta_q = qp->delta_q_uv_dc;
params->uv_ac_delta_q = qp->delta_q_uv_ac;
}
static void
gst_dxva_vp9_decoder_copy_segmentation_params (GstDxvaVp9Decoder * self,
GstVp9Picture * picture, DXVA_PicParams_VP9 * params)
{
const GstVp9FrameHeader *frame_hdr = &picture->frame_hdr;
const GstVp9SegmentationParams *sp = &frame_hdr->segmentation_params;
params->stVP9Segments.enabled = sp->segmentation_enabled;
params->stVP9Segments.update_map = sp->segmentation_update_map;
params->stVP9Segments.temporal_update = sp->segmentation_temporal_update;
params->stVP9Segments.abs_delta = sp->segmentation_abs_or_delta_update;
G_STATIC_ASSERT (G_N_ELEMENTS (params->stVP9Segments.tree_probs) ==
G_N_ELEMENTS (sp->segmentation_tree_probs));
G_STATIC_ASSERT (sizeof (params->stVP9Segments.tree_probs) ==
sizeof (sp->segmentation_tree_probs));
memcpy (params->stVP9Segments.tree_probs, sp->segmentation_tree_probs,
sizeof (sp->segmentation_tree_probs));
G_STATIC_ASSERT (G_N_ELEMENTS (params->stVP9Segments.pred_probs) ==
G_N_ELEMENTS (sp->segmentation_pred_prob));
G_STATIC_ASSERT (sizeof (params->stVP9Segments.pred_probs) ==
sizeof (sp->segmentation_pred_prob));
if (sp->segmentation_temporal_update) {
memcpy (params->stVP9Segments.pred_probs, sp->segmentation_pred_prob,
sizeof (params->stVP9Segments.pred_probs));
} else {
memset (params->stVP9Segments.pred_probs, 255,
sizeof (params->stVP9Segments.pred_probs));
}
for (guint i = 0; i < GST_VP9_MAX_SEGMENTS; i++) {
params->stVP9Segments.feature_mask[i] =
(sp->feature_enabled[i][GST_VP9_SEG_LVL_ALT_Q] << 0) |
(sp->feature_enabled[i][GST_VP9_SEG_LVL_ALT_L] << 1) |
(sp->feature_enabled[i][GST_VP9_SEG_LVL_REF_FRAME] << 2) |
(sp->feature_enabled[i][GST_VP9_SEG_SEG_LVL_SKIP] << 3);
for (guint j = 0; j < 3; j++)
params->stVP9Segments.feature_data[i][j] = sp->feature_data[i][j];
params->stVP9Segments.feature_data[i][3] = 0;
}
}
static GstFlowReturn
gst_dxva_vp9_decoder_decode_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture, GstVp9Dpb * dpb)
{
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
GstDxvaVp9DecoderPrivate *priv = self->priv;
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
DXVA_PicParams_VP9 *pic_params = &priv->pic_params;
DXVA_Slice_VPx_Short *slice = &priv->slice;
GstCodecPicture *codec_picture = GST_CODEC_PICTURE (picture);
GstFlowReturn ret;
guint8 picture_id;
g_assert (klass->start_picture);
g_assert (klass->get_picture_id);
ret = klass->start_picture (self, codec_picture, &picture_id);
if (ret != GST_FLOW_OK)
return ret;
priv->bitstream_buffer.resize (0);
g_ptr_array_set_size (priv->ref_pics, 0);
memset (pic_params, 0, sizeof (DXVA_PicParams_VP9));
pic_params->CurrPic.Index7Bits = picture_id;
pic_params->uncompressed_header_size_byte_aligned =
picture->frame_hdr.frame_header_length_in_bytes;
pic_params->first_partition_size = picture->frame_hdr.header_size_in_bytes;
pic_params->StatusReportFeedbackNumber = 1;
gst_dxva_vp9_decoder_copy_reference_frames (self, picture, dpb, pic_params);
gst_dxva_vp9_decoder_copy_frame_params (self, picture, pic_params);
gst_dxva_vp9_decoder_copy_frame_refs (self, picture, pic_params);
gst_dxva_vp9_decoder_copy_loop_filter_params (self, picture, pic_params);
gst_dxva_vp9_decoder_copy_quant_params (self, picture, pic_params);
gst_dxva_vp9_decoder_copy_segmentation_params (self, picture, pic_params);
priv->bitstream_buffer.resize (picture->size);
memcpy (&priv->bitstream_buffer[0], picture->data, picture->size);
slice->BSNALunitDataLocation = 0;
slice->SliceBytesInBuffer = priv->bitstream_buffer.size ();
slice->wBadSliceChopping = 0;
priv->last_frame_width = pic_params->width;
priv->last_frame_height = pic_params->height;
priv->last_show_frame = pic_params->show_frame;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_dxva_vp9_decoder_end_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture)
{
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
GstDxvaVp9DecoderPrivate *priv = self->priv;
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
size_t bitstream_buffer_size;
size_t bitstream_pos;
GstDxvaDecodingArgs args;
if (priv->bitstream_buffer.empty ()) {
GST_ERROR_OBJECT (self, "No bitstream buffer to submit");
return GST_FLOW_ERROR;
}
memset (&args, 0, sizeof (GstDxvaDecodingArgs));
bitstream_pos = priv->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 */
priv->bitstream_buffer.resize (bitstream_buffer_size, 0);
priv->slice.SliceBytesInBuffer += padding;
}
args.picture_params = &priv->pic_params;
args.picture_params_size = sizeof (DXVA_PicParams_VP9);
args.slice_control = &priv->slice;
args.slice_control_size = sizeof (DXVA_Slice_VPx_Short);
args.bitstream = &priv->bitstream_buffer[0];
args.bitstream_size = priv->bitstream_buffer.size ();
g_assert (klass->end_picture);
return klass->end_picture (self, GST_CODEC_PICTURE (picture),
priv->ref_pics, &args);
}
static GstFlowReturn
gst_dxva_vp9_decoder_output_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture)
{
GstDxvaVp9Decoder *self = GST_DXVA_VP9_DECODER (decoder);
GstDxvaVp9DecoderClass *klass = GST_DXVA_VP9_DECODER_GET_CLASS (self);
g_assert (klass->output_picture);
GST_LOG_OBJECT (self, "Outputting picture %p", picture);
return klass->output_picture (self, frame, GST_CODEC_PICTURE (picture),
(GstVideoBufferFlags) 0, picture->frame_hdr.width,
picture->frame_hdr.height);
}