gstreamer/subprojects/gst-plugins-bad/sys/nvcodec/gstnvav1dec.cpp

1098 lines
36 KiB
C++

/* GStreamer
* Copyright (C) 2022 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.
*/
/**
* SECTION:element-nvav1dec
* @title: nvav1dec
*
* GstCodecs based NVIDIA AV1 video decoder
*
* ## Example launch line
* ```
* gst-launch-1.0 filesrc location=/path/to/av1/file ! parsebin ! nvav1dec ! videoconvert ! autovideosink
* ```
*
* Since: 1.22
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstnvav1dec.h"
#include "gstnvdecoder.h"
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_nv_av1_dec_debug);
#define GST_CAT_DEFAULT gst_nv_av1_dec_debug
typedef struct _GstNvAV1Dec
{
GstAV1Decoder parent;
GstCudaContext *context;
GstNvDecoder *decoder;
GstAV1SequenceHeaderOBU seq_hdr;
CUVIDPICPARAMS params;
/* slice buffer which will be passed to CUVIDPICPARAMS::pBitstreamData */
guint8 *bitstream_buffer;
/* allocated memory size of bitstream_buffer */
gsize bitstream_buffer_alloc_size;
/* current offset of bitstream_buffer (per frame) */
gsize bitstream_buffer_offset;
guint *tile_offsets;
guint tile_offsets_alloc_len;
guint num_tiles;
guint max_width;
guint max_height;
guint bitdepth;
guint8 film_grain_params_present;
guint num_output_surfaces;
guint init_max_width;
guint init_max_height;
gint max_display_delay;
} GstNvAV1Dec;
typedef struct _GstNvAV1DecClass
{
GstAV1DecoderClass parent_class;
guint cuda_device_id;
guint max_width;
guint max_height;
} GstNvAV1DecClass;
enum
{
PROP_0,
PROP_CUDA_DEVICE_ID,
PROP_NUM_OUTPUT_SURFACES,
PROP_INIT_MAX_WIDTH,
PROP_INIT_MAX_HEIGHT,
PROP_MAX_DISPLAY_DELAY,
};
#define DEFAULT_NUM_OUTPUT_SURFACES 0
#define DEFAULT_MAX_DISPLAY_DELAY -1
static GTypeClass *parent_class = nullptr;
#define GST_NV_AV1_DEC(object) ((GstNvAV1Dec *) (object))
#define GST_NV_AV1_DEC_GET_CLASS(object) \
(G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstNvAV1DecClass))
static void gst_nv_av1_dec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_nv_av1_dec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_nv_av1_dec_set_context (GstElement * element,
GstContext * context);
static gboolean gst_nv_av1_dec_open (GstVideoDecoder * decoder);
static gboolean gst_nv_av1_dec_close (GstVideoDecoder * decoder);
static gboolean gst_nv_av1_dec_stop (GstVideoDecoder * decoder);
static gboolean gst_nv_av1_dec_negotiate (GstVideoDecoder * decoder);
static gboolean gst_nv_av1_dec_decide_allocation (GstVideoDecoder *
decoder, GstQuery * query);
static gboolean gst_nv_av1_dec_src_query (GstVideoDecoder * decoder,
GstQuery * query);
static gboolean gst_nv_av1_dec_sink_event (GstVideoDecoder * decoder,
GstEvent * event);
static GstFlowReturn gst_nv_av1_dec_new_sequence (GstAV1Decoder * decoder,
const GstAV1SequenceHeaderOBU * seq_hdr, gint max_dpb_size);
static GstFlowReturn gst_nv_av1_dec_new_picture (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame, GstAV1Picture * picture);
static GstAV1Picture *gst_nv_av1_dec_duplicate_picture (GstAV1Decoder *
decoder, GstVideoCodecFrame * frame, GstAV1Picture * picture);
static GstFlowReturn gst_nv_av1_dec_start_picture (GstAV1Decoder * decoder,
GstAV1Picture * picture, GstAV1Dpb * dpb);
static GstFlowReturn gst_nv_av1_dec_decode_tile (GstAV1Decoder * decoder,
GstAV1Picture * picture, GstAV1Tile * tile);
static GstFlowReturn gst_nv_av1_dec_end_picture (GstAV1Decoder * decoder,
GstAV1Picture * picture);
static GstFlowReturn gst_nv_av1_dec_output_picture (GstAV1Decoder *
decoder, GstVideoCodecFrame * frame, GstAV1Picture * picture);
static guint gst_nv_av1_dec_get_preferred_output_delay (GstAV1Decoder * decoder,
gboolean is_live);
static void
gst_nv_av1_dec_class_init (GstNvAV1DecClass * klass,
GstNvDecoderClassData * cdata)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
GstAV1DecoderClass *av1decoder_class = GST_AV1_DECODER_CLASS (klass);
object_class->set_property = gst_nv_av1_dec_set_property;
object_class->get_property = gst_nv_av1_dec_get_property;
g_object_class_install_property (object_class, PROP_CUDA_DEVICE_ID,
g_param_spec_uint ("cuda-device-id", "CUDA device id",
"Assigned CUDA device id", 0, G_MAXINT, 0,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
/**
* GstNvAV1Dec:num-output-surfaces:
*
* The number of output surfaces (0 = auto). This property will be used to
* calculate the CUVIDDECODECREATEINFO.ulNumOutputSurfaces parameter
* in case of CUDA output mode
*
* Since: 1.24
*/
g_object_class_install_property (object_class, PROP_NUM_OUTPUT_SURFACES,
g_param_spec_uint ("num-output-surfaces", "Num Output Surfaces",
"Maximum number of output surfaces simultaneously mapped in CUDA "
"output mode (0 = auto)",
0, 64, DEFAULT_NUM_OUTPUT_SURFACES,
(GParamFlags) (GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS)));
/**
* GstNvAV1Dec:init-max-width:
*
* Initial CUVIDDECODECREATEINFO.ulMaxWidth value
*
* Since: 1.24
*/
g_object_class_install_property (object_class, PROP_INIT_MAX_WIDTH,
g_param_spec_uint ("init-max-width", "Initial Maximum Width",
"Expected maximum coded width of stream. This value is used to "
"pre-allocate higher dimension of output surfaces than "
"that of input stream, in order to help decoder reconfiguration",
0, cdata->max_width, 0,
(GParamFlags) (GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS)));
/**
* GstNvAV1Dec:init-max-height:
*
* Initial CUVIDDECODECREATEINFO.ulMaxHeight value
*
* Since: 1.24
*/
g_object_class_install_property (object_class, PROP_INIT_MAX_HEIGHT,
g_param_spec_uint ("init-max-height", "Initial Maximum Height",
"Expected maximum coded height of stream. This value is used to "
"pre-allocate higher dimension of output surfaces than "
"that of input stream, in order to help decoder reconfiguration",
0, cdata->max_height, 0,
(GParamFlags) (GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS)));
/**
* GstNvAV1Dec:max-display-delay:
*
* Maximum display delay
*
* Since: 1.24
*/
g_object_class_install_property (object_class, PROP_MAX_DISPLAY_DELAY,
g_param_spec_int ("max-display-delay", "Max Display Delay",
"Improves pipelining of decode with display, 0 means no delay "
"(auto = -1)", -1, 16, DEFAULT_MAX_DISPLAY_DELAY,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
element_class->set_context = GST_DEBUG_FUNCPTR (gst_nv_av1_dec_set_context);
parent_class = (GTypeClass *) g_type_class_peek_parent (klass);
gst_element_class_set_static_metadata (element_class, "NVDEC AV1 Decoder",
"Codec/Decoder/Video/Hardware",
"NVIDIA AV1 video decoder", "Seungha Yang <seungha@centricular.com>");
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));
decoder_class->open = GST_DEBUG_FUNCPTR (gst_nv_av1_dec_open);
decoder_class->close = GST_DEBUG_FUNCPTR (gst_nv_av1_dec_close);
decoder_class->stop = GST_DEBUG_FUNCPTR (gst_nv_av1_dec_stop);
decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_nv_av1_dec_negotiate);
decoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_decide_allocation);
decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_nv_av1_dec_src_query);
decoder_class->sink_event = GST_DEBUG_FUNCPTR (gst_nv_av1_dec_sink_event);
av1decoder_class->new_sequence =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_new_sequence);
av1decoder_class->new_picture =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_new_picture);
av1decoder_class->duplicate_picture =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_duplicate_picture);
av1decoder_class->start_picture =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_start_picture);
av1decoder_class->decode_tile =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_decode_tile);
av1decoder_class->end_picture =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_end_picture);
av1decoder_class->output_picture =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_output_picture);
av1decoder_class->get_preferred_output_delay =
GST_DEBUG_FUNCPTR (gst_nv_av1_dec_get_preferred_output_delay);
klass->cuda_device_id = cdata->cuda_device_id;
klass->max_width = cdata->max_width;
klass->max_height = cdata->max_height;
gst_caps_unref (cdata->sink_caps);
gst_caps_unref (cdata->src_caps);
g_free (cdata);
}
static void
gst_nv_av1_dec_init (GstNvAV1Dec * self)
{
self->num_output_surfaces = DEFAULT_NUM_OUTPUT_SURFACES;
self->max_display_delay = DEFAULT_MAX_DISPLAY_DELAY;
}
static void
gst_nv_av1_dec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (object);
switch (prop_id) {
case PROP_NUM_OUTPUT_SURFACES:
self->num_output_surfaces = g_value_get_uint (value);
break;
case PROP_INIT_MAX_WIDTH:
self->init_max_width = g_value_get_uint (value);
break;
case PROP_INIT_MAX_HEIGHT:
self->init_max_height = g_value_get_uint (value);
break;
case PROP_MAX_DISPLAY_DELAY:
self->max_display_delay = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_nv_av1_dec_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (object);
GstNvAV1DecClass *klass = GST_NV_AV1_DEC_GET_CLASS (object);
switch (prop_id) {
case PROP_CUDA_DEVICE_ID:
g_value_set_uint (value, klass->cuda_device_id);
break;
case PROP_NUM_OUTPUT_SURFACES:
g_value_set_uint (value, self->num_output_surfaces);
break;
case PROP_INIT_MAX_WIDTH:
g_value_set_uint (value, self->init_max_width);
break;
case PROP_INIT_MAX_HEIGHT:
g_value_set_uint (value, self->init_max_height);
break;
case PROP_MAX_DISPLAY_DELAY:
g_value_set_int (value, self->max_display_delay);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_nv_av1_dec_set_context (GstElement * element, GstContext * context)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (element);
GstNvAV1DecClass *klass = GST_NV_AV1_DEC_GET_CLASS (self);
GST_DEBUG_OBJECT (self, "set context %s",
gst_context_get_context_type (context));
if (gst_cuda_handle_set_context (element, context, klass->cuda_device_id,
&self->context)) {
goto done;
}
if (self->decoder)
gst_nv_decoder_handle_set_context (self->decoder, element, context);
done:
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static gboolean
gst_nv_av1_dec_open (GstVideoDecoder * decoder)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
GstNvAV1DecClass *klass = GST_NV_AV1_DEC_GET_CLASS (self);
if (!gst_cuda_ensure_element_context (GST_ELEMENT (self),
klass->cuda_device_id, &self->context)) {
GST_ERROR_OBJECT (self, "Required element data is unavailable");
return FALSE;
}
self->decoder = gst_nv_decoder_new (self->context);
if (!self->decoder) {
GST_ERROR_OBJECT (self, "Failed to create decoder object");
gst_clear_object (&self->context);
return FALSE;
}
return TRUE;
}
static void
gst_nv_av1_dec_reset_bitstream_params (GstNvAV1Dec * self)
{
self->bitstream_buffer_offset = 0;
self->num_tiles = 0;
self->params.nBitstreamDataLen = 0;
self->params.pBitstreamData = nullptr;
self->params.nNumSlices = 0;
self->params.pSliceDataOffsets = nullptr;
}
static gboolean
gst_nv_av1_dec_close (GstVideoDecoder * decoder)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
gst_clear_object (&self->decoder);
gst_clear_object (&self->context);
gst_nv_av1_dec_reset_bitstream_params (self);
g_free (self->bitstream_buffer);
self->bitstream_buffer = nullptr;
g_free (self->tile_offsets);
self->tile_offsets = nullptr;
self->bitstream_buffer_alloc_size = 0;
self->tile_offsets_alloc_len = 0;
return TRUE;
}
static gboolean
gst_nv_av1_dec_stop (GstVideoDecoder * decoder)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
gboolean ret;
ret = GST_VIDEO_DECODER_CLASS (parent_class)->stop (decoder);
if (self->decoder)
gst_nv_decoder_reset (self->decoder);
return ret;
}
static gboolean
gst_nv_av1_dec_negotiate (GstVideoDecoder * decoder)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
GstAV1Decoder *av1dec = GST_AV1_DECODER (decoder);
GST_DEBUG_OBJECT (self, "negotiate");
gst_nv_decoder_negotiate (self->decoder, decoder, av1dec->input_state);
return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
}
static gboolean
gst_nv_av1_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
if (!gst_nv_decoder_decide_allocation (self->decoder, decoder, query)) {
GST_WARNING_OBJECT (self, "Failed to handle decide allocation");
return FALSE;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
(decoder, query);
}
static gboolean
gst_nv_av1_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:
if (gst_cuda_handle_context_query (GST_ELEMENT (decoder), query,
self->context)) {
return TRUE;
} else if (self->decoder &&
gst_nv_decoder_handle_context_query (self->decoder, decoder, query)) {
return TRUE;
}
break;
default:
break;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
}
static gboolean
gst_nv_av1_dec_sink_event (GstVideoDecoder * decoder, GstEvent * event)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
if (!self->decoder)
goto done;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
gst_nv_decoder_set_flushing (self->decoder, TRUE);
break;
case GST_EVENT_FLUSH_STOP:
gst_nv_decoder_set_flushing (self->decoder, FALSE);
break;
default:
break;
}
done:
return GST_VIDEO_DECODER_CLASS (parent_class)->sink_event (decoder, event);
}
static GstFlowReturn
gst_nv_av1_dec_new_sequence (GstAV1Decoder * decoder,
const GstAV1SequenceHeaderOBU * seq_hdr, gint max_dpb_size)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
GstNvAV1DecClass *klass = GST_NV_AV1_DEC_GET_CLASS (self);
gboolean modified = FALSE;
guint max_width, max_height;
GST_LOG_OBJECT (self, "new sequence");
if (seq_hdr->seq_profile != GST_AV1_PROFILE_0) {
GST_WARNING_OBJECT (self, "Unsupported profile %d", seq_hdr->seq_profile);
return GST_FLOW_NOT_NEGOTIATED;
}
if (seq_hdr->num_planes != 3) {
GST_WARNING_OBJECT (self, "Monochrome is not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
self->seq_hdr = *seq_hdr;
if (self->bitdepth != seq_hdr->bit_depth) {
GST_INFO_OBJECT (self, "Bitdepth changed %d -> %d", self->bitdepth,
seq_hdr->bit_depth);
self->bitdepth = seq_hdr->bit_depth;
modified = TRUE;
}
max_width = seq_hdr->max_frame_width_minus_1 + 1;
max_height = seq_hdr->max_frame_height_minus_1 + 1;
if (self->max_width != max_width || self->max_height != max_height) {
GST_INFO_OBJECT (self, "Resolution changed %dx%d -> %dx%d",
self->max_width, self->max_height, max_width, max_height);
self->max_width = max_width;
self->max_height = max_height;
modified = TRUE;
}
if (self->film_grain_params_present != seq_hdr->film_grain_params_present) {
GST_INFO_OBJECT (self, "Film grain present changed %d -> %d",
self->film_grain_params_present, seq_hdr->film_grain_params_present);
self->film_grain_params_present = seq_hdr->film_grain_params_present;
modified = TRUE;
}
if (modified || !gst_nv_decoder_is_configured (self->decoder)) {
GstVideoInfo info;
GstVideoFormat out_format = GST_VIDEO_FORMAT_UNKNOWN;
if (self->bitdepth == 8) {
out_format = GST_VIDEO_FORMAT_NV12;
} else if (self->bitdepth == 10) {
out_format = GST_VIDEO_FORMAT_P010_10LE;
} else {
GST_WARNING_OBJECT (self, "Invalid bit-depth %d", seq_hdr->bit_depth);
return GST_FLOW_NOT_NEGOTIATED;
}
gst_video_info_set_format (&info,
out_format, GST_ROUND_UP_2 (self->max_width),
GST_ROUND_UP_2 (self->max_height));
max_width = gst_nv_decoder_get_max_output_size (self->max_width,
self->init_max_width, klass->max_width);
max_height = gst_nv_decoder_get_max_output_size (self->max_height,
self->init_max_height, klass->max_height);
if (!gst_nv_decoder_configure (self->decoder, cudaVideoCodec_AV1,
&info, self->max_width, self->max_height, self->bitdepth,
max_dpb_size, self->film_grain_params_present ? TRUE : FALSE,
self->num_output_surfaces, max_width, max_height)) {
GST_ERROR_OBJECT (self, "Failed to create decoder");
return GST_FLOW_NOT_NEGOTIATED;
}
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
GST_ERROR_OBJECT (self, "Failed to negotiate with downstream");
return GST_FLOW_NOT_NEGOTIATED;
}
}
return GST_FLOW_OK;
}
static GstFlowReturn
gst_nv_av1_dec_new_picture (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame, GstAV1Picture * picture)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
return gst_nv_decoder_new_picture (self->decoder,
GST_CODEC_PICTURE (picture));
}
static GstNvDecSurface *
gst_nv_av1_dec_get_decoder_surface_from_picture (GstNvAV1Dec * self,
GstAV1Picture * picture)
{
GstNvDecSurface *surface;
surface = (GstNvDecSurface *) gst_av1_picture_get_user_data (picture);
if (!surface)
GST_DEBUG_OBJECT (self, "current picture does not have decoder surface");
return surface;
}
static GstAV1Picture *
gst_nv_av1_dec_duplicate_picture (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame, GstAV1Picture * picture)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
GstNvDecSurface *surface;
GstAV1Picture *new_picture;
surface = gst_nv_av1_dec_get_decoder_surface_from_picture (self, picture);
if (!surface) {
GST_ERROR_OBJECT (self, "Parent picture does not have decoder surface");
return nullptr;
}
new_picture = gst_av1_picture_new ();
new_picture->frame_hdr = picture->frame_hdr;
gst_av1_picture_set_user_data (new_picture,
gst_nv_dec_surface_ref (surface),
(GDestroyNotify) gst_nv_dec_surface_unref);
return new_picture;
}
static inline guint8
gst_nv_av1_dec_get_lr_unit_size (guint size)
{
switch (size) {
case 32:
return 0;
case 64:
return 1;
case 128:
return 2;
case 256:
return 3;
default:
break;
}
return 3;
}
static GstFlowReturn
gst_nv_av1_dec_start_picture (GstAV1Decoder * decoder, GstAV1Picture * picture,
GstAV1Dpb * dpb)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
CUVIDPICPARAMS *params = &self->params;
CUVIDAV1PICPARAMS *av1_params = &params->CodecSpecific.av1;
const GstAV1SequenceHeaderOBU *seq_hdr = &self->seq_hdr;
const GstAV1FrameHeaderOBU *frame_hdr = &picture->frame_hdr;
const GstAV1GlobalMotionParams *gmp = &frame_hdr->global_motion_params;
const GstAV1QuantizationParams *qp = &frame_hdr->quantization_params;
const GstAV1TileInfo *ti = &frame_hdr->tile_info;
const GstAV1CDEFParams *cp = &frame_hdr->cdef_params;
const GstAV1SegmenationParams *sp = &frame_hdr->segmentation_params;
const GstAV1LoopFilterParams *lp = &frame_hdr->loop_filter_params;
const GstAV1LoopRestorationParams *lrp = &frame_hdr->loop_restoration_params;
const GstAV1FilmGrainParams *fgp = &frame_hdr->film_grain_params;
GstNvDecSurface *surface;
GstNvDecSurface *other_surface;
GstAV1Picture *other_pic;
guint i, j;
surface = gst_nv_av1_dec_get_decoder_surface_from_picture (self, picture);
if (!surface) {
GST_ERROR_OBJECT (self, "Decoder frame is unavailable");
return GST_FLOW_ERROR;
}
memset (params, 0, sizeof (CUVIDPICPARAMS));
params->PicWidthInMbs = GST_ROUND_UP_16 (frame_hdr->frame_width) >> 4;
params->FrameHeightInMbs = GST_ROUND_UP_16 (frame_hdr->frame_height) >> 4;
params->CurrPicIdx = surface->index;
params->intra_pic_flag = frame_hdr->frame_is_intra;
av1_params->width = frame_hdr->frame_width;
av1_params->height = frame_hdr->frame_height;
av1_params->frame_offset = frame_hdr->order_hint;
av1_params->decodePicIdx = surface->decode_frame_index;
/* sequence header */
av1_params->profile = seq_hdr->seq_profile;
av1_params->use_128x128_superblock = seq_hdr->use_128x128_superblock;
av1_params->subsampling_x = seq_hdr->color_config.subsampling_x;
av1_params->subsampling_y = seq_hdr->color_config.subsampling_y;
av1_params->mono_chrome = seq_hdr->color_config.mono_chrome;
av1_params->bit_depth_minus8 = seq_hdr->bit_depth - 8;
av1_params->enable_filter_intra = seq_hdr->enable_filter_intra;
av1_params->enable_intra_edge_filter = seq_hdr->enable_intra_edge_filter;
av1_params->enable_interintra_compound = seq_hdr->enable_interintra_compound;
av1_params->enable_masked_compound = seq_hdr->enable_masked_compound;
av1_params->enable_dual_filter = seq_hdr->enable_dual_filter;
av1_params->enable_order_hint = seq_hdr->enable_order_hint;
av1_params->order_hint_bits_minus1 = seq_hdr->order_hint_bits_minus_1;
av1_params->enable_jnt_comp = seq_hdr->enable_jnt_comp;
av1_params->enable_superres = seq_hdr->enable_superres;
av1_params->enable_cdef = seq_hdr->enable_cdef;
av1_params->enable_restoration = seq_hdr->enable_restoration;
av1_params->enable_fgs = seq_hdr->film_grain_params_present;
/* frame header */
av1_params->frame_type = frame_hdr->frame_type;
av1_params->show_frame = frame_hdr->show_frame;
av1_params->disable_cdf_update = frame_hdr->disable_cdf_update;
av1_params->allow_screen_content_tools =
frame_hdr->allow_screen_content_tools;
if (frame_hdr->force_integer_mv || frame_hdr->frame_is_intra)
av1_params->force_integer_mv = 1;
else
av1_params->force_integer_mv = 0;
if (frame_hdr->use_superres) {
av1_params->coded_denom =
frame_hdr->superres_denom - GST_AV1_SUPERRES_DENOM_MIN;
} else {
av1_params->coded_denom = 0;
}
av1_params->allow_intrabc = frame_hdr->allow_intrabc;
av1_params->allow_high_precision_mv = frame_hdr->allow_high_precision_mv;
av1_params->interp_filter = frame_hdr->interpolation_filter;
av1_params->switchable_motion_mode = frame_hdr->is_motion_mode_switchable;
av1_params->use_ref_frame_mvs = frame_hdr->use_ref_frame_mvs;
av1_params->disable_frame_end_update_cdf =
frame_hdr->disable_frame_end_update_cdf;
av1_params->delta_q_present = qp->delta_q_present;
av1_params->delta_q_res = qp->delta_q_res;
av1_params->using_qmatrix = qp->using_qmatrix;
av1_params->coded_lossless = frame_hdr->coded_lossless;
av1_params->use_superres = frame_hdr->use_superres;
av1_params->tx_mode = frame_hdr->tx_mode;
av1_params->reference_mode = frame_hdr->reference_select;
av1_params->allow_warped_motion = frame_hdr->allow_warped_motion;
av1_params->reduced_tx_set = frame_hdr->reduced_tx_set;
av1_params->skip_mode = frame_hdr->skip_mode_present;
/* tiling info */
av1_params->num_tile_cols = ti->tile_cols;
av1_params->num_tile_rows = ti->tile_rows;
av1_params->context_update_tile_id = ti->context_update_tile_id;
for (i = 0; i < ti->tile_cols; i++)
av1_params->tile_widths[i] = ti->width_in_sbs_minus_1[i] + 1;
for (i = 0; i < ti->tile_rows; i++)
av1_params->tile_heights[i] = ti->height_in_sbs_minus_1[i] + 1;
/* CDEF */
av1_params->cdef_damping_minus_3 = cp->cdef_damping - 3;
av1_params->cdef_bits = cp->cdef_bits;
for (i = 0; i < GST_AV1_CDEF_MAX; i++) {
guint8 primary;
guint8 secondary;
primary = cp->cdef_y_pri_strength[i];
secondary = cp->cdef_y_sec_strength[i];
if (secondary == 4)
secondary--;
av1_params->cdef_y_strength[i] = (primary & 0x0f) | (secondary << 4);
primary = cp->cdef_uv_pri_strength[i];
secondary = cp->cdef_uv_sec_strength[i];
if (secondary == 4)
secondary--;
av1_params->cdef_uv_strength[i] = (primary & 0x0f) | (secondary << 4);
}
/* SkipModeFrames */
if (frame_hdr->skip_mode_present) {
av1_params->SkipModeFrame0 = frame_hdr->skip_mode_frame[0];
av1_params->SkipModeFrame1 = frame_hdr->skip_mode_frame[1];
}
/* qp information */
av1_params->base_qindex = qp->base_q_idx;
av1_params->qp_y_dc_delta_q = qp->delta_q_y_dc;
av1_params->qp_u_dc_delta_q = qp->delta_q_u_dc;
av1_params->qp_u_ac_delta_q = qp->delta_q_u_ac;
av1_params->qp_v_dc_delta_q = qp->delta_q_v_dc;
av1_params->qp_v_ac_delta_q = qp->delta_q_v_ac;
av1_params->qm_y = qp->qm_y;
av1_params->qm_u = qp->qm_u;
av1_params->qm_v = qp->qm_v;
/* segmentation */
av1_params->segmentation_enabled = sp->segmentation_enabled;
av1_params->segmentation_update_map = sp->segmentation_update_map;
av1_params->segmentation_update_data = sp->segmentation_update_data;
av1_params->segmentation_temporal_update = sp->segmentation_temporal_update;
for (i = 0; i < GST_AV1_MAX_SEGMENTS; i++) {
for (j = 0; j < GST_AV1_SEG_LVL_MAX; j++) {
av1_params->segmentation_feature_data[i][j] = sp->feature_data[i][j];
av1_params->segmentation_feature_mask[i] |=
sp->feature_enabled[i][j] << j;
}
}
/* loopfilter */
av1_params->loop_filter_level[0] = lp->loop_filter_level[0];
av1_params->loop_filter_level[1] = lp->loop_filter_level[1];
av1_params->loop_filter_level_u = lp->loop_filter_level[2];
av1_params->loop_filter_level_v = lp->loop_filter_level[3];
av1_params->loop_filter_sharpness = lp->loop_filter_sharpness;
for (i = 0; i < GST_AV1_TOTAL_REFS_PER_FRAME; i++) {
av1_params->loop_filter_ref_deltas[i] = lp->loop_filter_ref_deltas[i];
}
av1_params->loop_filter_mode_deltas[0] = lp->loop_filter_mode_deltas[0];
av1_params->loop_filter_mode_deltas[1] = lp->loop_filter_mode_deltas[1];
av1_params->loop_filter_delta_enabled = lp->loop_filter_delta_enabled;
av1_params->loop_filter_delta_update = lp->loop_filter_delta_update;
av1_params->delta_lf_present = lp->delta_lf_present;
av1_params->delta_lf_res = lp->delta_lf_res;
av1_params->delta_lf_multi = lp->delta_lf_multi;
/* restoration */
for (i = 0; i < 3; i++) {
av1_params->lr_unit_size[i] =
gst_nv_av1_dec_get_lr_unit_size (lrp->loop_restoration_size[i]);
}
av1_params->lr_type[0] = lrp->frame_restoration_type[0];
av1_params->lr_type[1] = lrp->frame_restoration_type[1];
av1_params->lr_type[2] = lrp->frame_restoration_type[2];
/* reference frames */
for (i = 0; i < GST_AV1_TOTAL_REFS_PER_FRAME; i++) {
guint8 ref_idx = 0xff;
other_pic = dpb->pic_list[i];
if (other_pic) {
other_surface =
gst_nv_av1_dec_get_decoder_surface_from_picture (self, other_pic);
if (!other_surface) {
GST_ERROR_OBJECT (self, "reference frame is unavailable");
return GST_FLOW_ERROR;
}
ref_idx = other_surface->decode_frame_index;
}
av1_params->ref_frame_map[i] = ref_idx;
}
if (frame_hdr->primary_ref_frame == GST_AV1_PRIMARY_REF_NONE) {
av1_params->primary_ref_frame = 0xff;
} else {
guint8 primary_ref_idx;
g_assert (frame_hdr->primary_ref_frame < 8);
primary_ref_idx = frame_hdr->ref_frame_idx[frame_hdr->primary_ref_frame];
av1_params->primary_ref_frame = av1_params->ref_frame_map[primary_ref_idx];
}
av1_params->temporal_layer_id = picture->temporal_id;
av1_params->spatial_layer_id = picture->spatial_id;
/* ref frame list and global motion */
for (i = 0; i < GST_AV1_REFS_PER_FRAME; i++) {
gint8 ref_idx = frame_hdr->ref_frame_idx[i];
other_pic = nullptr;
if (ref_idx >= 0)
other_pic = dpb->pic_list[ref_idx];
if (other_pic) {
other_surface =
gst_nv_av1_dec_get_decoder_surface_from_picture (self, other_pic);
av1_params->ref_frame[i].index = other_surface->decode_frame_index;
av1_params->ref_frame[i].width = other_pic->frame_hdr.frame_width;
av1_params->ref_frame[i].height = other_pic->frame_hdr.frame_height;
} else {
av1_params->ref_frame[i].index = 0xff;
}
av1_params->global_motion[i].invalid = gmp->invalid[i];
av1_params->global_motion[i].wmtype =
gmp->gm_type[GST_AV1_REF_LAST_FRAME + i];
for (j = 0; j < 6; j++) {
av1_params->global_motion[i].wmmat[j] =
gmp->gm_params[GST_AV1_REF_LAST_FRAME + i][j];
}
}
/* film grain params */
if (seq_hdr->film_grain_params_present) {
av1_params->apply_grain = fgp->apply_grain;
av1_params->overlap_flag = fgp->overlap_flag;
av1_params->scaling_shift_minus8 = fgp->grain_scaling_minus_8;
av1_params->chroma_scaling_from_luma = fgp->chroma_scaling_from_luma;
av1_params->ar_coeff_lag = fgp->ar_coeff_lag;
av1_params->ar_coeff_shift_minus6 = fgp->ar_coeff_shift_minus_6;
av1_params->grain_scale_shift = fgp->grain_scale_shift;
av1_params->clip_to_restricted_range = fgp->clip_to_restricted_range;
av1_params->num_y_points = fgp->num_y_points;
for (i = 0; i < fgp->num_y_points && i < 14; i++) {
av1_params->scaling_points_y[i][0] = fgp->point_y_value[i];
av1_params->scaling_points_y[i][1] = fgp->point_y_scaling[i];
}
av1_params->num_cb_points = fgp->num_cb_points;
for (i = 0; i < fgp->num_cb_points && i < 10; i++) {
av1_params->scaling_points_cb[i][0] = fgp->point_cb_value[i];
av1_params->scaling_points_cb[i][1] = fgp->point_cb_scaling[i];
}
av1_params->num_cr_points = fgp->num_cr_points;
for (i = 0; i < fgp->num_cr_points && i < 10; i++) {
av1_params->scaling_points_cr[i][0] = fgp->point_cr_value[i];
av1_params->scaling_points_cr[i][1] = fgp->point_cr_scaling[i];
}
av1_params->random_seed = fgp->grain_seed;
for (i = 0; i < 24; i++) {
av1_params->ar_coeffs_y[i] = (short) fgp->ar_coeffs_y_plus_128[i] - 128;
}
for (i = 0; i < 25; i++) {
av1_params->ar_coeffs_cb[i] = (short) fgp->ar_coeffs_cb_plus_128[i] - 128;
av1_params->ar_coeffs_cr[i] = (short) fgp->ar_coeffs_cr_plus_128[i] - 128;
}
av1_params->cb_mult = fgp->cb_mult;
av1_params->cb_luma_mult = fgp->cb_luma_mult;
av1_params->cb_offset = fgp->cb_offset;
av1_params->cr_mult = fgp->cr_mult;
av1_params->cr_luma_mult = fgp->cr_luma_mult;
av1_params->cr_offset = fgp->cr_offset;
}
gst_nv_av1_dec_reset_bitstream_params (self);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_nv_av1_dec_decode_tile (GstAV1Decoder * decoder,
GstAV1Picture * picture, GstAV1Tile * tile)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
GstAV1TileGroupOBU *tile_group = &tile->tile_group;
guint i;
guint buffer_size;
if (tile_group->num_tiles * 2 > self->tile_offsets_alloc_len) {
self->tile_offsets_alloc_len = tile_group->num_tiles * 2;
self->tile_offsets = (guint *) g_realloc_n (self->tile_offsets,
self->tile_offsets_alloc_len, sizeof (guint));
}
self->num_tiles = tile_group->num_tiles;
for (i = tile_group->tg_start; i <= tile_group->tg_end; i++) {
guint offset = self->bitstream_buffer_offset +
tile_group->entry[i].tile_offset;
self->tile_offsets[i * 2] = offset;
self->tile_offsets[i * 2 + 1] = offset + tile_group->entry[i].tile_size;
}
buffer_size = self->bitstream_buffer_offset + tile->obu.obu_size;
if (buffer_size > self->bitstream_buffer_alloc_size) {
guint alloc_size = buffer_size * 2;
self->bitstream_buffer = (guint8 *) g_realloc (self->bitstream_buffer,
alloc_size);
self->bitstream_buffer_alloc_size = alloc_size;
}
memcpy (self->bitstream_buffer + self->bitstream_buffer_offset,
tile->obu.data, tile->obu.obu_size);
self->bitstream_buffer_offset += tile->obu.obu_size;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_nv_av1_dec_end_picture (GstAV1Decoder * decoder, GstAV1Picture * picture)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
gboolean ret;
CUVIDPICPARAMS *params = &self->params;
params->nBitstreamDataLen = self->bitstream_buffer_offset;
params->pBitstreamData = self->bitstream_buffer;
params->nNumSlices = self->num_tiles;
params->pSliceDataOffsets = self->tile_offsets;
ret = gst_nv_decoder_decode (self->decoder, params);
if (!ret) {
GST_ERROR_OBJECT (self, "Failed to decode picture");
return GST_FLOW_ERROR;
}
return GST_FLOW_OK;
}
static GstFlowReturn
gst_nv_av1_dec_output_picture (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame, GstAV1Picture * picture)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
return gst_nv_decoder_output_picture (self->decoder,
GST_VIDEO_DECODER (decoder), frame, GST_CODEC_PICTURE (picture), 0);
}
static guint
gst_nv_av1_dec_get_preferred_output_delay (GstAV1Decoder * decoder,
gboolean is_live)
{
GstNvAV1Dec *self = GST_NV_AV1_DEC (decoder);
if (self->max_display_delay >= 0)
return self->max_display_delay;
/* Prefer to zero latency for live pipeline */
if (is_live)
return 0;
return 2;
}
void
gst_nv_av1_dec_register (GstPlugin * plugin, guint device_id, guint rank,
GstCaps * sink_caps, GstCaps * src_caps)
{
GType type;
gchar *type_name;
gchar *feature_name;
guint index = 0;
const GValue *value;
GstStructure *s;
GTypeInfo type_info = {
sizeof (GstNvAV1DecClass),
nullptr,
nullptr,
(GClassInitFunc) gst_nv_av1_dec_class_init,
nullptr,
nullptr,
sizeof (GstNvAV1Dec),
0,
(GInstanceInitFunc) gst_nv_av1_dec_init,
};
GstNvDecoderClassData *cdata;
GST_DEBUG_CATEGORY_INIT (gst_nv_av1_dec_debug, "nvav1dec", 0, "nvav1dec");
cdata = g_new0 (GstNvDecoderClassData, 1);
s = gst_caps_get_structure (sink_caps, 0);
value = gst_structure_get_value (s, "width");
cdata->max_width = (guint) gst_value_get_int_range_max (value);
value = gst_structure_get_value (s, "height");
cdata->max_height = (guint) gst_value_get_int_range_max (value);
cdata->sink_caps = gst_caps_ref (sink_caps);
cdata->src_caps = gst_caps_ref (src_caps);
cdata->cuda_device_id = device_id;
type_info.class_data = cdata;
type_name = g_strdup ("GstNvAV1Dec");
feature_name = g_strdup ("nvav1dec");
while (g_type_from_name (type_name)) {
index++;
g_free (type_name);
g_free (feature_name);
type_name = g_strdup_printf ("GstNvAV1Device%dDec", index);
feature_name = g_strdup_printf ("nvav1device%ddec", index);
}
type = g_type_register_static (GST_TYPE_AV1_DECODER,
type_name, &type_info, (GTypeFlags) 0);
/* make lower rank than default device */
if (rank > 0 && index != 0)
rank--;
if (index != 0)
gst_element_type_set_skip_documentation (type);
if (!gst_element_register (plugin, feature_name, rank, type))
GST_WARNING ("Failed to register plugin '%s'", type_name);
g_free (type_name);
g_free (feature_name);
}