mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-05 16:06:43 +00:00
347dd37225
Build gir for documentation Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5481>
497 lines
18 KiB
C++
497 lines
18 KiB
C++
/* 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);
|
|
}
|