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nvcodec: Add VP9 stateless decoder element

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1738>
This commit is contained in:
Seungha Yang 2020-10-30 23:22:01 +09:00
parent 71564f471d
commit 5578e76e60
5 changed files with 763 additions and 0 deletions
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15
sys/nvcodec/gstnvdecoder.c
View file

@ -903,6 +903,21 @@ gst_nv_decocer_get_supported_codec_profiles (GValue * profiles,
gst_value_list_append_value (profiles, &val);
}
ret = TRUE;
break;
case cudaVideoCodec_VP9:
if ((flags & GST_NV_DECODER_FORMAT_FLAG_420_8BITS) ==
GST_NV_DECODER_FORMAT_FLAG_420_8BITS) {
g_value_set_static_string (&val, "0");
gst_value_list_append_value (profiles, &val);
}
if ((flags & GST_NV_DECODER_FORMAT_FLAG_420_10BITS) ==
GST_NV_DECODER_FORMAT_FLAG_420_10BITS) {
g_value_set_static_string (&val, "2");
gst_value_list_append_value (profiles, &val);
}
ret = TRUE;
break;
default:

684
sys/nvcodec/gstnvvp9dec.c Normal file
View file

@ -0,0 +1,684 @@
/* GStreamer
* Copyright (C) 2020 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 "gstnvvp9dec.h"
#include "gstcudautils.h"
#include "gstnvdecoder.h"
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_nv_vp9_dec_debug);
#define GST_CAT_DEFAULT gst_nv_vp9_dec_debug
/* reference list 8 + 2 margin */
#define NUM_OUTPUT_VIEW 10
struct _GstNvVp9Dec
{
GstVp9Decoder parent;
GstVideoCodecState *output_state;
GstCudaContext *context;
CUstream cuda_stream;
GstNvDecoder *decoder;
CUVIDPICPARAMS params;
guint width, height;
GstVP9Profile profile;
GstVideoFormat out_format;
/* For OpenGL interop. */
GstObject *gl_display;
GstObject *gl_context;
GstObject *other_gl_context;
GstNvDecoderOutputType output_type;
};
struct _GstNvVp9DecClass
{
GstVp9DecoderClass parent_class;
guint cuda_device_id;
};
#define gst_nv_vp9_dec_parent_class parent_class
/**
* GstNvVp9Dec:
*
* Since: 1.20
*/
G_DEFINE_TYPE (GstNvVp9Dec, gst_nv_vp9_dec, GST_TYPE_VP9_DECODER);
static void gst_nv_vp9_dec_set_context (GstElement * element,
GstContext * context);
static gboolean gst_nv_vp9_dec_open (GstVideoDecoder * decoder);
static gboolean gst_nv_vp9_dec_close (GstVideoDecoder * decoder);
static gboolean gst_nv_vp9_dec_negotiate (GstVideoDecoder * decoder);
static gboolean gst_nv_vp9_dec_decide_allocation (GstVideoDecoder *
decoder, GstQuery * query);
static gboolean gst_nv_vp9_dec_src_query (GstVideoDecoder * decoder,
GstQuery * query);
/* GstVp9Decoder */
static gboolean gst_nv_vp9_dec_new_sequence (GstVp9Decoder * decoder,
const GstVp9Parser * parser, const GstVp9FrameHdr * frame_hdr);
static gboolean gst_nv_vp9_dec_new_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture);
static GstVp9Picture *gst_nv_vp9_dec_duplicate_picture (GstVp9Decoder *
decoder, GstVp9Picture * picture);
static gboolean gst_nv_vp9_dec_decode_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture, GstVp9Dpb * dpb);
static GstFlowReturn gst_nv_vp9_dec_output_picture (GstVp9Decoder *
decoder, GstVideoCodecFrame * frame, GstVp9Picture * picture);
static void
gst_nv_vp9_dec_class_init (GstNvVp9DecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
GstVp9DecoderClass *vp9decoder_class = GST_VP9_DECODER_CLASS (klass);
element_class->set_context = GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_set_context);
decoder_class->open = GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_open);
decoder_class->close = GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_close);
decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_negotiate);
decoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_decide_allocation);
decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_src_query);
vp9decoder_class->new_sequence =
GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_new_sequence);
vp9decoder_class->new_picture =
GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_new_picture);
vp9decoder_class->duplicate_picture =
GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_duplicate_picture);
vp9decoder_class->decode_picture =
GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_decode_picture);
vp9decoder_class->output_picture =
GST_DEBUG_FUNCPTR (gst_nv_vp9_dec_output_picture);
GST_DEBUG_CATEGORY_INIT (gst_nv_vp9_dec_debug,
"nvvp9dec", 0, "NVIDIA VP9 Decoder");
gst_type_mark_as_plugin_api (GST_TYPE_NV_VP9_DEC, 0);
}
static void
gst_nv_vp9_dec_init (GstNvVp9Dec * self)
{
}
static void
gst_nv_vp9_dec_set_context (GstElement * element, GstContext * context)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (element);
GstNvVp9DecClass *klass = GST_NV_VP9_DEC_GET_CLASS (self);
GST_DEBUG_OBJECT (self, "set context %s",
gst_context_get_context_type (context));
gst_nv_decoder_set_context (element, context, klass->cuda_device_id,
&self->context, &self->gl_display, &self->other_gl_context);
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static gboolean
gst_nv_vp9_dec_open (GstVideoDecoder * decoder)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
GstNvVp9DecClass *klass = GST_NV_VP9_DEC_GET_CLASS (self);
if (!gst_nv_decoder_ensure_element_data (GST_ELEMENT (self),
klass->cuda_device_id, &self->context, &self->cuda_stream,
&self->gl_display, &self->other_gl_context)) {
GST_ERROR_OBJECT (self, "Required element data is unavailable");
return FALSE;
}
return TRUE;
}
static gboolean
gst_nv_vp9_dec_close (GstVideoDecoder * decoder)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
g_clear_pointer (&self->output_state, gst_video_codec_state_unref);
gst_clear_object (&self->decoder);
if (self->context && self->cuda_stream) {
if (gst_cuda_context_push (self->context)) {
gst_cuda_result (CuStreamDestroy (self->cuda_stream));
gst_cuda_context_pop (NULL);
}
}
gst_clear_object (&self->gl_context);
gst_clear_object (&self->other_gl_context);
gst_clear_object (&self->gl_display);
gst_clear_object (&self->context);
self->cuda_stream = NULL;
return TRUE;
}
static gboolean
gst_nv_vp9_dec_negotiate (GstVideoDecoder * decoder)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
GstVp9Decoder *vp9dec = GST_VP9_DECODER (decoder);
GST_DEBUG_OBJECT (self, "negotiate");
gst_nv_decoder_negotiate (decoder, vp9dec->input_state, self->out_format,
self->width, self->height, self->gl_display, self->other_gl_context,
&self->gl_context, &self->output_state, &self->output_type);
/* TODO: add support D3D11 memory */
return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
}
static gboolean
gst_nv_vp9_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
gst_nv_decoder_decide_allocation (self->decoder, decoder, query,
self->gl_context, self->output_type);
return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
(decoder, query);
}
static gboolean
gst_nv_vp9_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:
if (gst_nv_decoder_handle_context_query (GST_ELEMENT (self), query,
self->context, self->gl_display, self->gl_context,
self->other_gl_context)) {
return TRUE;
}
break;
default:
break;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
}
static gboolean
gst_nv_vp9_dec_new_sequence (GstVp9Decoder * decoder,
const GstVp9Parser * parser, const GstVp9FrameHdr * frame_hdr)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
gboolean modified = FALSE;
GST_LOG_OBJECT (self, "new sequence");
if (self->width != frame_hdr->width || self->height != frame_hdr->height) {
if (self->decoder) {
GST_INFO_OBJECT (self, "resolution changed %dx%d -> %dx%d",
self->width, self->height, frame_hdr->width, frame_hdr->height);
}
self->width = frame_hdr->width;
self->height = frame_hdr->height;
modified = TRUE;
}
if (self->profile != frame_hdr->profile) {
if (self->decoder) {
GST_INFO_OBJECT (self, "profile changed %d -> %d", self->profile,
frame_hdr->profile);
}
self->profile = frame_hdr->profile;
modified = TRUE;
}
if (modified || !self->decoder) {
GstVideoInfo info;
gst_clear_object (&self->decoder);
self->out_format = GST_VIDEO_FORMAT_UNKNOWN;
if (self->profile == GST_VP9_PROFILE_0) {
self->out_format = GST_VIDEO_FORMAT_NV12;
} else if (self->profile == GST_VP9_PROFILE_2) {
if (parser->bit_depth == 10)
self->out_format = GST_VIDEO_FORMAT_P010_10LE;
else
self->out_format = GST_VIDEO_FORMAT_P016_LE;
}
if (self->out_format == GST_VIDEO_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (self, "Could not support profile %d", self->profile);
return FALSE;
}
gst_video_info_set_format (&info,
self->out_format, self->width, self->height);
self->decoder = gst_nv_decoder_new (self->context, cudaVideoCodec_VP9,
&info, NUM_OUTPUT_VIEW);
if (!self->decoder) {
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;
}
memset (&self->params, 0, sizeof (CUVIDPICPARAMS));
self->params.CodecSpecific.vp9.colorSpace = parser->color_space;
}
return TRUE;
}
static gboolean
gst_nv_vp9_dec_new_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
GstNvDecoderFrame *nv_frame;
nv_frame = gst_nv_decoder_new_frame (self->decoder);
if (!nv_frame) {
GST_ERROR_OBJECT (self, "No available decoder frame");
return FALSE;
}
GST_LOG_OBJECT (self,
"New decoder frame %p (index %d)", nv_frame, nv_frame->index);
gst_vp9_picture_set_user_data (picture,
nv_frame, (GDestroyNotify) gst_nv_decoder_frame_unref);
return TRUE;
}
static GstNvDecoderFrame *
gst_nv_vp9_dec_get_decoder_frame_from_picture (GstNvVp9Dec * self,
GstVp9Picture * picture)
{
GstNvDecoderFrame *frame;
frame = (GstNvDecoderFrame *) gst_vp9_picture_get_user_data (picture);
if (!frame)
GST_DEBUG_OBJECT (self, "current picture does not have decoder frame");
return frame;
}
static GstVp9Picture *
gst_nv_vp9_dec_duplicate_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
GstNvDecoderFrame *frame;
GstVp9Picture *new_picture;
frame = gst_nv_vp9_dec_get_decoder_frame_from_picture (self, picture);
if (!frame) {
GST_ERROR_OBJECT (self, "Parent picture does not have decoder frame");
return NULL;
}
new_picture = gst_vp9_picture_new ();
new_picture->frame_hdr = picture->frame_hdr;
gst_vp9_picture_set_user_data (new_picture,
gst_nv_decoder_frame_ref (frame),
(GDestroyNotify) gst_nv_decoder_frame_unref);
return new_picture;
}
static gboolean
gst_nv_vp9_dec_decode_picture (GstVp9Decoder * decoder,
GstVp9Picture * picture, GstVp9Dpb * dpb)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
const GstVp9FrameHdr *frame_hdr = &picture->frame_hdr;
const GstVp9LoopFilter *loopfilter = &frame_hdr->loopfilter;
const GstVp9SegmentationInfo *seg = &frame_hdr->segmentation;
const GstVp9QuantIndices *quant_indices = &frame_hdr->quant_indices;
CUVIDPICPARAMS *params = &self->params;
CUVIDVP9PICPARAMS *vp9_params = &params->CodecSpecific.vp9;
GstNvDecoderFrame *frame;
GstNvDecoderFrame *other_frame;
guint offset = 0;
guint8 ref_frame_map[GST_VP9_REF_FRAMES];
gint i;
G_STATIC_ASSERT (G_N_ELEMENTS (vp9_params->mbRefLfDelta) ==
GST_VP9_MAX_REF_LF_DELTAS);
G_STATIC_ASSERT (G_N_ELEMENTS (vp9_params->mbModeLfDelta) ==
GST_VP9_MAX_MODE_LF_DELTAS);
G_STATIC_ASSERT (G_N_ELEMENTS (vp9_params->mb_segment_tree_probs) ==
GST_VP9_SEG_TREE_PROBS);
G_STATIC_ASSERT (G_N_ELEMENTS (vp9_params->refFrameSignBias) ==
GST_VP9_REFS_PER_FRAME + 1);
G_STATIC_ASSERT (G_N_ELEMENTS (vp9_params->activeRefIdx) ==
GST_VP9_REFS_PER_FRAME);
G_STATIC_ASSERT (G_N_ELEMENTS (vp9_params->segmentFeatureEnable) ==
GST_VP9_MAX_SEGMENTS);
G_STATIC_ASSERT (G_N_ELEMENTS (vp9_params->segmentFeatureData) ==
GST_VP9_MAX_SEGMENTS);
GST_LOG_OBJECT (self, "Decode picture, size %" G_GSIZE_FORMAT, picture->size);
frame = gst_nv_vp9_dec_get_decoder_frame_from_picture (self, picture);
if (!frame) {
GST_ERROR_OBJECT (self, "Decoder frame is unavailable");
return FALSE;
}
params->nBitstreamDataLen = picture->size;
params->pBitstreamData = picture->data;
params->nNumSlices = 1;
params->pSliceDataOffsets = &offset;
params->PicWidthInMbs = GST_ROUND_UP_16 (frame_hdr->width) >> 4;
params->FrameHeightInMbs = GST_ROUND_UP_16 (frame_hdr->height) >> 4;
params->CurrPicIdx = frame->index;
vp9_params->width = frame_hdr->width;
vp9_params->height = frame_hdr->height;
for (i = 0; i < GST_VP9_REF_FRAMES; i++) {
if (dpb->pic_list[i]) {
other_frame = gst_nv_vp9_dec_get_decoder_frame_from_picture (self,
dpb->pic_list[i]);
if (!other_frame) {
GST_ERROR_OBJECT (self, "Couldn't get decoder frame from picture");
return FALSE;
}
ref_frame_map[i] = other_frame->index;
} else {
ref_frame_map[i] = 0xff;
}
}
vp9_params->LastRefIdx = ref_frame_map[frame_hdr->ref_frame_indices[0]];
vp9_params->GoldenRefIdx = ref_frame_map[frame_hdr->ref_frame_indices[1]];
vp9_params->AltRefIdx = ref_frame_map[frame_hdr->ref_frame_indices[2]];
vp9_params->profile = frame_hdr->profile;
vp9_params->frameContextIdx = frame_hdr->frame_context_idx;
vp9_params->frameType = frame_hdr->frame_type;
vp9_params->showFrame = frame_hdr->show_frame;
vp9_params->errorResilient = frame_hdr->error_resilient_mode;
vp9_params->frameParallelDecoding = frame_hdr->frame_parallel_decoding_mode;
vp9_params->subSamplingX = picture->subsampling_x;
vp9_params->subSamplingY = picture->subsampling_y;
vp9_params->intraOnly = frame_hdr->intra_only;
vp9_params->allow_high_precision_mv = frame_hdr->allow_high_precision_mv;
vp9_params->refreshEntropyProbs = frame_hdr->refresh_frame_context;
vp9_params->bitDepthMinus8Luma = picture->bit_depth - 8;
vp9_params->bitDepthMinus8Chroma = picture->bit_depth - 8;
vp9_params->loopFilterLevel = loopfilter->filter_level;
vp9_params->loopFilterSharpness = loopfilter->sharpness_level;
vp9_params->modeRefLfEnabled = loopfilter->mode_ref_delta_enabled;
vp9_params->log2_tile_columns = frame_hdr->log2_tile_columns;
vp9_params->log2_tile_rows = frame_hdr->log2_tile_rows;
vp9_params->segmentEnabled = seg->enabled;
vp9_params->segmentMapUpdate = seg->update_map;
vp9_params->segmentMapTemporalUpdate = seg->temporal_update;
vp9_params->segmentFeatureMode = seg->abs_delta;
vp9_params->qpYAc = quant_indices->y_ac_qi;
vp9_params->qpYDc = quant_indices->y_dc_delta;
vp9_params->qpChDc = quant_indices->uv_dc_delta;
vp9_params->qpChAc = quant_indices->uv_ac_delta;
vp9_params->resetFrameContext = frame_hdr->reset_frame_context;
vp9_params->mcomp_filter_type = frame_hdr->mcomp_filter_type;
vp9_params->frameTagSize = frame_hdr->frame_header_length_in_bytes;
vp9_params->offsetToDctParts = frame_hdr->first_partition_size;
for (i = 0; i < GST_VP9_MAX_REF_LF_DELTAS; i++)
vp9_params->mbRefLfDelta[i] = loopfilter->ref_deltas[i];
for (i = 0; i < GST_VP9_MAX_MODE_LF_DELTAS; i++)
vp9_params->mbModeLfDelta[i] = loopfilter->mode_deltas[i];
for (i = 0; i < GST_VP9_SEG_TREE_PROBS; i++)
vp9_params->mb_segment_tree_probs[i] = seg->tree_probs[i];
vp9_params->refFrameSignBias[0] = 0;
for (i = 0; i < GST_VP9_REFS_PER_FRAME; i++) {
vp9_params->refFrameSignBias[i + 1] = frame_hdr->ref_frame_sign_bias[i];
vp9_params->activeRefIdx[i] = frame_hdr->ref_frame_indices[i];
}
for (i = 0; i < GST_VP9_MAX_SEGMENTS; i++) {
vp9_params->segmentFeatureEnable[i][0] =
seg->data[i].alternate_quantizer_enabled;
vp9_params->segmentFeatureEnable[i][1] =
seg->data[i].alternate_loop_filter_enabled;
vp9_params->segmentFeatureEnable[i][2] =
seg->data[i].reference_frame_enabled;
vp9_params->segmentFeatureEnable[i][3] = seg->data[i].reference_skip;
vp9_params->segmentFeatureData[i][0] = seg->data[i].alternate_quantizer;
vp9_params->segmentFeatureData[i][1] = seg->data[i].alternate_loop_filter;
vp9_params->segmentFeatureData[i][2] = seg->data[i].reference_frame;
vp9_params->segmentFeatureData[i][3] = 0;
}
return gst_nv_decoder_decode_picture (self->decoder, &self->params);
}
static GstFlowReturn
gst_nv_vp9_dec_output_picture (GstVp9Decoder * decoder,
GstVideoCodecFrame * frame, GstVp9Picture * picture)
{
GstNvVp9Dec *self = GST_NV_VP9_DEC (decoder);
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstNvDecoderFrame *decoder_frame;
gboolean ret G_GNUC_UNUSED = FALSE;
GST_LOG_OBJECT (self, "Outputting picture %p", picture);
decoder_frame = (GstNvDecoderFrame *) gst_vp9_picture_get_user_data (picture);
if (!decoder_frame) {
GST_ERROR_OBJECT (self, "No decoder frame in picture %p", picture);
goto error;
}
frame->output_buffer = gst_video_decoder_allocate_output_buffer (vdec);
if (!frame->output_buffer) {
GST_ERROR_OBJECT (self, "Couldn't allocate output buffer");
goto error;
}
if (self->output_type == GST_NV_DECOCER_OUTPUT_TYPE_GL) {
ret = gst_nv_decoder_finish_frame (self->decoder,
GST_NV_DECOCER_OUTPUT_TYPE_GL, self->gl_context,
decoder_frame, frame->output_buffer);
/* FIXME: This is the case where OpenGL context of downstream glbufferpool
* belongs to non-nvidia (or different device).
* There should be enhancement to ensure nvdec has compatible OpenGL context
*/
if (!ret) {
GST_WARNING_OBJECT (self,
"Couldn't copy frame to GL memory, fallback to system memory");
self->output_type = GST_NV_DECOCER_OUTPUT_TYPE_SYSTEM;
}
}
if (!ret) {
if (!gst_nv_decoder_finish_frame (self->decoder,
self->output_type, NULL, decoder_frame, frame->output_buffer)) {
GST_ERROR_OBJECT (self, "Failed to finish frame");
goto error;
}
}
gst_vp9_picture_unref (picture);
return gst_video_decoder_finish_frame (vdec, frame);
error:
gst_video_decoder_drop_frame (vdec, frame);
gst_vp9_picture_unref (picture);
return GST_FLOW_ERROR;
}
typedef struct
{
GstCaps *sink_caps;
GstCaps *src_caps;
guint cuda_device_id;
gboolean is_default;
} GstNvVp9DecClassData;
static void
gst_nv_vp9_dec_subclass_init (gpointer klass, GstNvVp9DecClassData * cdata)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstNvVp9DecClass *nvdec_class = (GstNvVp9DecClass *) (klass);
gchar *long_name;
if (cdata->is_default) {
long_name = g_strdup_printf ("NVDEC VP9 Stateless Decoder");
} else {
long_name = g_strdup_printf ("NVDEC VP9 Stateless Decoder with device %d",
cdata->cuda_device_id);
}
gst_element_class_set_metadata (element_class, long_name,
"Codec/Decoder/Video/Hardware",
"NVIDIA VP9 video decoder", "Seungha Yang <seungha@centricular.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));
nvdec_class->cuda_device_id = cdata->cuda_device_id;
gst_caps_unref (cdata->sink_caps);
gst_caps_unref (cdata->src_caps);
g_free (cdata);
}
void
gst_nv_vp9_dec_register (GstPlugin * plugin, guint device_id, guint rank,
GstCaps * sink_caps, GstCaps * src_caps, gboolean is_primary)
{
GTypeQuery type_query;
GTypeInfo type_info = { 0, };
GType subtype;
gchar *type_name;
gchar *feature_name;
GstNvVp9DecClassData *cdata;
gboolean is_default = TRUE;
/**
* element-nvvp9sldec:
*
* Since: 1.20
*/
cdata = g_new0 (GstNvVp9DecClassData, 1);
cdata->sink_caps = gst_caps_copy (sink_caps);
gst_caps_set_simple (cdata->sink_caps,
"alignment", G_TYPE_STRING, "frame", NULL);
GST_MINI_OBJECT_FLAG_SET (cdata->sink_caps,
GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
cdata->src_caps = gst_caps_ref (src_caps);
cdata->cuda_device_id = device_id;
g_type_query (GST_TYPE_NV_VP9_DEC, &type_query);
memset (&type_info, 0, sizeof (type_info));
type_info.class_size = type_query.class_size;
type_info.instance_size = type_query.instance_size;
type_info.class_init = (GClassInitFunc) gst_nv_vp9_dec_subclass_init;
type_info.class_data = cdata;
if (is_primary) {
type_name = g_strdup ("GstNvVP9StatelessPrimaryDec");
feature_name = g_strdup ("nvvp9dec");
} else {
type_name = g_strdup ("GstNvVP9StatelessDec");
feature_name = g_strdup ("nvvp9sldec");
}
if (g_type_from_name (type_name) != 0) {
g_free (type_name);
g_free (feature_name);
if (is_primary) {
type_name =
g_strdup_printf ("GstNvVP9StatelessPrimaryDevice%dDec", device_id);
feature_name = g_strdup_printf ("nvvp9device%ddec", device_id);
} else {
type_name = g_strdup_printf ("GstNvVP9StatelessDevice%dDec", device_id);
feature_name = g_strdup_printf ("nvvp9sldevice%ddec", device_id);
}
is_default = FALSE;
}
cdata->is_default = is_default;
subtype = g_type_register_static (GST_TYPE_NV_VP9_DEC,
type_name, &type_info, 0);
/* make lower rank than default device */
if (rank > 0 && !is_default)
rank--;
if (!gst_element_register (plugin, feature_name, rank, subtype))
GST_WARNING ("Failed to register plugin '%s'", type_name);
g_free (type_name);
g_free (feature_name);
}

47
sys/nvcodec/gstnvvp9dec.h Normal file
View file

@ -0,0 +1,47 @@
/* GStreamer
* Copyright (C) 2020 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.
*/
#ifndef __GST_NV_VP9_DEC_H__
#define __GST_NV_VP9_DEC_H__
#include <gst/gst.h>
#include <gst/codecs/gstvp9decoder.h>
G_BEGIN_DECLS
#define GST_TYPE_NV_VP9_DEC (gst_nv_vp9_dec_get_type())
#define GST_NV_VP9_DEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_NV_VP9_DEC, GstNvVp9Dec))
#define GST_NV_VP9_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_NV_VP9_DEC, GstNvVp9DecClass))
#define GST_NV_VP9_DEC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_NV_VP9_DEC, GstNvVp9DecClass))
typedef struct _GstNvVp9Dec GstNvVp9Dec;
typedef struct _GstNvVp9DecClass GstNvVp9DecClass;
GType gst_nv_vp9_dec_get_type (void);
void gst_nv_vp9_dec_register (GstPlugin * plugin,
guint device_id,
guint rank,
GstCaps * sink_caps,
GstCaps * src_caps,
gboolean is_primary);
G_END_DECLS
#endif /* __GST_NV_VP9_DEC_H__ */

1
sys/nvcodec/meson.build
View file

@ -25,6 +25,7 @@ nvcodec_sources = [
'gstcudaconvert.c',
'gstcudascale.c',
'gstnvvp8dec.c',
'gstnvvp9dec.c',
]
if get_option('nvcodec').disabled()

16
sys/nvcodec/plugin.c
View file

@ -34,6 +34,7 @@
#include "gstnvh264dec.h"
#include "gstnvh265dec.h"
#include "gstnvvp8dec.h"
#include "gstnvvp9dec.h"
#include "gstnvdecoder.h"
#include "gstcudadownload.h"
#include "gstcudaupload.h"
@ -61,6 +62,7 @@ plugin_init (GstPlugin * plugin)
gboolean use_h264_sl_dec = FALSE;
gboolean use_h265_sl_dec = FALSE;
gboolean use_vp8_sl_dec = FALSE;
gboolean use_vp9_sl_dec = FALSE;
GST_DEBUG_CATEGORY_INIT (gst_nvcodec_debug, "nvcodec", 0, "nvcodec");
GST_DEBUG_CATEGORY_INIT (gst_nvdec_debug, "nvdec", 0, "nvdec");
@ -116,6 +118,9 @@ plugin_init (GstPlugin * plugin)
} else if (g_ascii_strcasecmp (*iter, "vp8") == 0) {
GST_INFO ("Found %s in GST_USE_NV_STATELESS_CODEC environment", *iter);
use_vp8_sl_dec = TRUE;
} else if (g_ascii_strcasecmp (*iter, "vp9") == 0) {
GST_INFO ("Found %s in GST_USE_NV_STATELESS_CODEC environment", *iter);
use_vp9_sl_dec = TRUE;
}
}
@ -195,6 +200,17 @@ plugin_init (GstPlugin * plugin)
i, GST_RANK_PRIMARY, sink_template, src_template, TRUE);
}
break;
case cudaVideoCodec_VP9:
gst_nv_vp9_dec_register (plugin,
i, GST_RANK_SECONDARY, sink_template, src_template, FALSE);
if (use_vp9_sl_dec) {
GST_INFO ("Skip register cuvid parser based nvhvp9dec");
register_cuviddec = FALSE;
gst_nv_vp9_dec_register (plugin,
i, GST_RANK_PRIMARY, sink_template, src_template, TRUE);
}
break;
default:
break;
}