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nvcodec: Add CUDA upload/download elements with base class for CUDA filters

Browse source 
Similar to glupload/gldownload elements but for CUDA memory.
It will help transfer memory between system and nvidia GPU

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1633>
This commit is contained in:
Seungha Yang 2019-10-16 22:42:06 +09:00 committed by GStreamer Merge Bot
parent b1ac8bafc9
commit dd995bd9d4
8 changed files with 1042 additions and 0 deletions
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611
sys/nvcodec/gstcudabasetransform.c Normal file
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/* GStreamer
* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "gstcudabasetransform.h"
#include "gstcudautils.h"
GST_DEBUG_CATEGORY_STATIC (gst_cuda_base_transform_debug);
#define GST_CAT_DEFAULT gst_cuda_base_transform_debug
enum
{
PROP_0,
PROP_DEVICE_ID,
};
#define DEFAULT_DEVICE_ID -1
#define gst_cuda_base_transform_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE (GstCudaBaseTransform, gst_cuda_base_transform,
GST_TYPE_BASE_TRANSFORM);
static void gst_cuda_base_transform_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_cuda_base_transform_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_cuda_base_transform_dispose (GObject * object);
static void gst_cuda_base_transform_set_context (GstElement * element,
GstContext * context);
static gboolean gst_cuda_base_transform_start (GstBaseTransform * trans);
static gboolean gst_cuda_base_transform_stop (GstBaseTransform * trans);
static gboolean gst_cuda_base_transform_set_caps (GstBaseTransform * trans,
GstCaps * incaps, GstCaps * outcaps);
static GstFlowReturn gst_cuda_base_transform_transform (GstBaseTransform *
trans, GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean gst_cuda_base_transform_get_unit_size (GstBaseTransform * trans,
GstCaps * caps, gsize * size);
static gboolean gst_cuda_base_transform_propose_allocation (GstBaseTransform *
trans, GstQuery * decide_query, GstQuery * query);
static gboolean gst_cuda_base_transform_decide_allocation (GstBaseTransform *
trans, GstQuery * query);
static gboolean gst_cuda_base_transform_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query);
static GstFlowReturn
gst_cuda_base_transform_transform_frame_default (GstCudaBaseTransform * filter,
GstVideoFrame * in_frame, GstCudaMemory * in_cuda_mem,
GstVideoFrame * out_frame, GstCudaMemory * out_cuda_mem);
static void
gst_cuda_base_transform_class_init (GstCudaBaseTransformClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstBaseTransformClass *trans_class;
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
trans_class = GST_BASE_TRANSFORM_CLASS (klass);
gobject_class->set_property = gst_cuda_base_transform_set_property;
gobject_class->get_property = gst_cuda_base_transform_get_property;
gobject_class->dispose = gst_cuda_base_transform_dispose;
g_object_class_install_property (gobject_class, PROP_DEVICE_ID,
g_param_spec_int ("cuda-device-id",
"Cuda Device ID",
"Set the GPU device to use for operations (-1 = auto)",
-1, G_MAXINT, DEFAULT_DEVICE_ID,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
G_PARAM_STATIC_STRINGS));
element_class->set_context =
GST_DEBUG_FUNCPTR (gst_cuda_base_transform_set_context);
trans_class->passthrough_on_same_caps = TRUE;
trans_class->start = GST_DEBUG_FUNCPTR (gst_cuda_base_transform_start);
trans_class->stop = GST_DEBUG_FUNCPTR (gst_cuda_base_transform_stop);
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_cuda_base_transform_set_caps);
trans_class->transform =
GST_DEBUG_FUNCPTR (gst_cuda_base_transform_transform);
trans_class->get_unit_size =
GST_DEBUG_FUNCPTR (gst_cuda_base_transform_get_unit_size);
trans_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_cuda_base_transform_propose_allocation);
trans_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_cuda_base_transform_decide_allocation);
trans_class->query = GST_DEBUG_FUNCPTR (gst_cuda_base_transform_query);
klass->transform_frame =
GST_DEBUG_FUNCPTR (gst_cuda_base_transform_transform_frame_default);
GST_DEBUG_CATEGORY_INIT (gst_cuda_base_transform_debug,
"cudabasefilter", 0, "cudabasefilter Element");
}
static void
gst_cuda_base_transform_init (GstCudaBaseTransform * filter)
{
filter->device_id = DEFAULT_DEVICE_ID;
filter->negotiated = FALSE;
}
static void
gst_cuda_base_transform_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (object);
switch (prop_id) {
case PROP_DEVICE_ID:
filter->device_id = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_cuda_base_transform_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (object);
switch (prop_id) {
case PROP_DEVICE_ID:
g_value_set_int (value, filter->device_id);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_cuda_base_transform_dispose (GObject * object)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (object);
gst_clear_object (&filter->context);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_cuda_base_transform_set_context (GstElement * element, GstContext * context)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (element);
gst_cuda_handle_set_context (element,
context, filter->device_id, &filter->context);
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static gboolean
gst_cuda_base_transform_start (GstBaseTransform * trans)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (trans);
CUresult cuda_ret;
if (!gst_cuda_ensure_element_context (GST_ELEMENT_CAST (filter),
filter->device_id, &filter->context)) {
GST_ERROR_OBJECT (filter, "Failed to get CUDA context");
return FALSE;
}
if (gst_cuda_context_push (filter->context)) {
cuda_ret = CuStreamCreate (&filter->cuda_stream, CU_STREAM_DEFAULT);
if (!gst_cuda_result (cuda_ret)) {
GST_WARNING_OBJECT (filter,
"Could not create cuda stream, will use default stream");
filter->cuda_stream = NULL;
}
gst_cuda_context_pop (NULL);
}
return TRUE;
}
static gboolean
gst_cuda_base_transform_stop (GstBaseTransform * trans)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (trans);
if (filter->context && filter->cuda_stream) {
if (gst_cuda_context_push (filter->context)) {
gst_cuda_result (CuStreamDestroy (filter->cuda_stream));
gst_cuda_context_pop (NULL);
}
}
gst_clear_object (&filter->context);
filter->cuda_stream = NULL;
return TRUE;
}
static gboolean
gst_cuda_base_transform_set_caps (GstBaseTransform * trans, GstCaps * incaps,
GstCaps * outcaps)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (trans);
GstVideoInfo in_info, out_info;
GstCudaBaseTransformClass *klass;
gboolean res;
if (!filter->context) {
GST_ERROR_OBJECT (filter, "No available CUDA context");
return FALSE;
}
/* input caps */
if (!gst_video_info_from_caps (&in_info, incaps))
goto invalid_caps;
/* output caps */
if (!gst_video_info_from_caps (&out_info, outcaps))
goto invalid_caps;
klass = GST_CUDA_BASE_TRANSFORM_GET_CLASS (filter);
if (klass->set_info)
res = klass->set_info (filter, incaps, &in_info, outcaps, &out_info);
else
res = TRUE;
if (res) {
filter->in_info = in_info;
filter->out_info = out_info;
}
filter->negotiated = res;
return res;
/* ERRORS */
invalid_caps:
{
GST_ERROR_OBJECT (filter, "invalid caps");
filter->negotiated = FALSE;
return FALSE;
}
}
static gboolean
gst_cuda_base_transform_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
gsize * size)
{
gboolean ret = FALSE;
GstVideoInfo info;
ret = gst_video_info_from_caps (&info, caps);
if (ret)
*size = GST_VIDEO_INFO_SIZE (&info);
return TRUE;
}
static GstFlowReturn
gst_cuda_base_transform_transform (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer * outbuf)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (trans);
GstCudaBaseTransformClass *fclass =
GST_CUDA_BASE_TRANSFORM_GET_CLASS (filter);
GstVideoFrame in_frame, out_frame;
GstFlowReturn ret = GST_FLOW_OK;
GstMapFlags in_map_flags, out_map_flags;
GstMemory *mem;
GstCudaMemory *in_cuda_mem = NULL;
GstCudaMemory *out_cuda_mem = NULL;
if (G_UNLIKELY (!filter->negotiated))
goto unknown_format;
in_map_flags = GST_MAP_READ | GST_VIDEO_FRAME_MAP_FLAG_NO_REF;
out_map_flags = GST_MAP_WRITE | GST_VIDEO_FRAME_MAP_FLAG_NO_REF;
in_cuda_mem = out_cuda_mem = FALSE;
if (gst_buffer_n_memory (inbuf) == 1 &&
(mem = gst_buffer_peek_memory (inbuf, 0)) && gst_is_cuda_memory (mem)) {
GstCudaMemory *cmem = GST_CUDA_MEMORY_CAST (mem);
if (cmem->context == filter->context ||
gst_cuda_context_get_handle (cmem->context) ==
gst_cuda_context_get_handle (filter->context) ||
(gst_cuda_context_can_access_peer (cmem->context, filter->context) &&
gst_cuda_context_can_access_peer (filter->context,
cmem->context))) {
in_map_flags |= GST_MAP_CUDA;
in_cuda_mem = cmem;
}
}
if (gst_buffer_n_memory (outbuf) == 1 &&
(mem = gst_buffer_peek_memory (outbuf, 0)) && gst_is_cuda_memory (mem)) {
GstCudaMemory *cmem = GST_CUDA_MEMORY_CAST (mem);
if (cmem->context == filter->context ||
gst_cuda_context_get_handle (cmem->context) ==
gst_cuda_context_get_handle (filter->context) ||
(gst_cuda_context_can_access_peer (cmem->context, filter->context) &&
gst_cuda_context_can_access_peer (filter->context,
cmem->context))) {
out_map_flags |= GST_MAP_CUDA;
out_cuda_mem = cmem;
}
}
if (!gst_video_frame_map (&in_frame, &filter->in_info, inbuf, in_map_flags))
goto invalid_buffer;
if (!gst_video_frame_map (&out_frame, &filter->out_info, outbuf,
out_map_flags)) {
gst_video_frame_unmap (&in_frame);
goto invalid_buffer;
}
ret = fclass->transform_frame (filter, &in_frame, in_cuda_mem, &out_frame,
out_cuda_mem);
gst_video_frame_unmap (&out_frame);
gst_video_frame_unmap (&in_frame);
return ret;
/* ERRORS */
unknown_format:
{
GST_ELEMENT_ERROR (filter, CORE, NOT_IMPLEMENTED, (NULL),
("unknown format"));
return GST_FLOW_NOT_NEGOTIATED;
}
invalid_buffer:
{
GST_ELEMENT_WARNING (trans, CORE, NOT_IMPLEMENTED, (NULL),
("invalid video buffer received"));
return GST_FLOW_OK;
}
}
static GstFlowReturn
gst_cuda_base_transform_transform_frame_default (GstCudaBaseTransform * filter,
GstVideoFrame * in_frame, GstCudaMemory * in_cuda_mem,
GstVideoFrame * out_frame, GstCudaMemory * out_cuda_mem)
{
gint i;
GstFlowReturn ret = GST_FLOW_OK;
if (in_cuda_mem || out_cuda_mem) {
if (!gst_cuda_context_push (filter->context)) {
GST_ELEMENT_ERROR (filter, LIBRARY, FAILED, (NULL),
("Cannot push CUDA context"));
return GST_FLOW_ERROR;
}
for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (in_frame); i++) {
CUDA_MEMCPY2D param = { 0, };
guint width, height;
width = GST_VIDEO_FRAME_COMP_WIDTH (in_frame, i) *
GST_VIDEO_FRAME_COMP_PSTRIDE (in_frame, i);
height = GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, i);
if (in_cuda_mem) {
param.srcMemoryType = CU_MEMORYTYPE_DEVICE;
param.srcDevice = in_cuda_mem->data + in_cuda_mem->offset[i];
param.srcPitch = in_cuda_mem->stride;
} else {
param.srcMemoryType = CU_MEMORYTYPE_HOST;
param.srcHost = GST_VIDEO_FRAME_PLANE_DATA (in_frame, i);
param.srcPitch = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, i);
}
if (out_cuda_mem) {
param.dstMemoryType = CU_MEMORYTYPE_DEVICE;
param.dstDevice = out_cuda_mem->data + out_cuda_mem->offset[i];
param.dstPitch = out_cuda_mem->stride;
} else {
param.dstMemoryType = CU_MEMORYTYPE_HOST;
param.dstHost = GST_VIDEO_FRAME_PLANE_DATA (out_frame, i);
param.dstPitch = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, i);
}
param.WidthInBytes = width;
param.Height = height;
if (!gst_cuda_result (CuMemcpy2DAsync (&param, filter->cuda_stream))) {
gst_cuda_context_pop (NULL);
GST_ELEMENT_ERROR (filter, LIBRARY, FAILED, (NULL),
("Cannot upload input video frame"));
return GST_FLOW_ERROR;
}
}
CuStreamSynchronize (filter->cuda_stream);
gst_cuda_context_pop (NULL);
} else {
for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (in_frame); i++) {
if (!gst_video_frame_copy_plane (out_frame, in_frame, i)) {
GST_ERROR_OBJECT (filter, "Couldn't copy %dth plane", i);
return GST_FLOW_ERROR;
}
}
}
return ret;
}
static gboolean
gst_cuda_base_transform_propose_allocation (GstBaseTransform * trans,
GstQuery * decide_query, GstQuery * query)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (trans);
GstVideoInfo info;
GstBufferPool *pool;
GstCaps *caps;
guint size;
if (!GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans,
decide_query, query))
return FALSE;
/* passthrough, we're done */
if (decide_query == NULL)
return TRUE;
gst_query_parse_allocation (query, &caps, NULL);
if (caps == NULL)
return FALSE;
if (!gst_video_info_from_caps (&info, caps))
return FALSE;
if (gst_query_get_n_allocation_pools (query) == 0) {
GstCapsFeatures *features;
GstStructure *config;
GstVideoAlignment align;
GstAllocationParams params = { 0, 31, 0, 0, };
GstAllocator *allocator = NULL;
gint i;
features = gst_caps_get_features (caps, 0);
if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY)) {
GST_DEBUG_OBJECT (filter, "upstream support CUDA memory");
pool = gst_cuda_buffer_pool_new (filter->context);
} else {
pool = gst_video_buffer_pool_new ();
}
config = gst_buffer_pool_get_config (pool);
gst_video_alignment_reset (&align);
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&info); i++) {
align.stride_align[i] = 31;
}
gst_video_info_align (&info, &align);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_buffer_pool_config_set_video_alignment (config, &align);
size = GST_VIDEO_INFO_SIZE (&info);
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
gst_query_add_allocation_pool (query, pool, size, 0, 0);
if (gst_buffer_pool_config_get_allocator (config, &allocator, &params)) {
if (params.align < 31)
params.align = 31;
gst_query_add_allocation_param (query, allocator, &params);
gst_buffer_pool_config_set_allocator (config, allocator, &params);
}
if (!gst_buffer_pool_set_config (pool, config))
goto config_failed;
gst_object_unref (pool);
}
return TRUE;
/* ERRORS */
config_failed:
{
GST_ERROR_OBJECT (filter, "failed to set config");
gst_object_unref (pool);
return FALSE;
}
}
static gboolean
gst_cuda_base_transform_decide_allocation (GstBaseTransform * trans,
GstQuery * query)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (trans);
GstCaps *outcaps = NULL;
GstBufferPool *pool = NULL;
guint size, min, max;
GstStructure *config;
gboolean update_pool = FALSE;
gboolean need_cuda = FALSE;
GstCapsFeatures *features;
gst_query_parse_allocation (query, &outcaps, NULL);
if (!outcaps)
return FALSE;
features = gst_caps_get_features (outcaps, 0);
if (features && gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY)) {
need_cuda = TRUE;
}
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
if (need_cuda && pool && !GST_IS_CUDA_BUFFER_POOL (pool)) {
/* when cuda device memory is supported, but pool is not cudabufferpool */
gst_object_unref (pool);
pool = NULL;
}
update_pool = TRUE;
} else {
GstVideoInfo vinfo;
gst_video_info_from_caps (&vinfo, outcaps);
size = GST_VIDEO_INFO_SIZE (&vinfo);
min = max = 0;
}
if (!pool) {
GST_DEBUG_OBJECT (filter, "create our pool");
if (need_cuda)
pool = gst_cuda_buffer_pool_new (filter->context);
else
pool = gst_video_buffer_pool_new ();
}
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
gst_buffer_pool_set_config (pool, config);
if (update_pool)
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
else
gst_query_add_allocation_pool (query, pool, size, min, max);
gst_object_unref (pool);
return GST_BASE_TRANSFORM_CLASS (parent_class)->decide_allocation (trans,
query);
}
static gboolean
gst_cuda_base_transform_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query)
{
GstCudaBaseTransform *filter = GST_CUDA_BASE_TRANSFORM (trans);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:
{
gboolean ret;
ret = gst_cuda_handle_context_query (GST_ELEMENT (filter), query,
filter->context);
if (ret)
return TRUE;
break;
}
default:
break;
}
return GST_BASE_TRANSFORM_CLASS (parent_class)->query (trans, direction,
query);
}

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/* GStreamer
* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_CUDA_BASE_TRANSFORM_H__
#define __GST_CUDA_BASE_TRANSFORM_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
#include "gstcudacontext.h"
#include "gstcudabufferpool.h"
G_BEGIN_DECLS
#define GST_TYPE_CUDA_BASE_TRANSFORM (gst_cuda_base_transform_get_type())
#define GST_CUDA_BASE_TRANSFORM(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUDA_BASE_TRANSFORM,GstCudaBaseTransform))
#define GST_CUDA_BASE_TRANSFORM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_BASE_TRANSFORM,GstCudaBaseTransformClass))
#define GST_CUDA_BASE_TRANSFORM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_BASE_TRANSFORM,GstCudaBaseTransformClass))
#define GST_IS_CUDA_BASE_TRANSFORM(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUDA_BASE_TRANSFORM))
#define GST_IS_CUDA_BASE_TRANSFORM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_CUDA_BASE_TRANSFORM))
typedef struct _GstCudaBaseTransform GstCudaBaseTransform;
typedef struct _GstCudaBaseTransformClass GstCudaBaseTransformClass;
struct _GstCudaBaseTransform
{
GstBaseTransform parent;
gboolean negotiated;
GstVideoInfo in_info;
GstVideoInfo out_info;
GstCudaContext *context;
CUstream cuda_stream;
gint device_id;
};
struct _GstCudaBaseTransformClass
{
GstBaseTransformClass parent_class;
gboolean (*set_info) (GstCudaBaseTransform *filter,
GstCaps *incaps, GstVideoInfo *in_info,
GstCaps *outcaps, GstVideoInfo *out_info);
GstFlowReturn (*transform_frame) (GstCudaBaseTransform *filter,
GstVideoFrame *in_frame,
GstCudaMemory *in_cuda_mem,
GstVideoFrame *out_frame,
GstCudaMemory *out_cuda_mem);
};
GType gst_cuda_base_transform_get_type (void);
G_END_DECLS
#endif /* __GST_CUDA_BASE_TRANSFORM_H__ */

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/* GStreamer
* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "gstcudadownload.h"
GST_DEBUG_CATEGORY_STATIC (gst_cuda_download_debug);
#define GST_CAT_DEFAULT gst_cuda_download_debug
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY
"); video/x-raw"));
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw"));
G_DEFINE_TYPE (GstCudaDownload, gst_cuda_download,
GST_TYPE_CUDA_BASE_TRANSFORM);
static GstCaps *gst_cuda_download_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static void
gst_cuda_download_class_init (GstCudaDownloadClass * klass)
{
GstElementClass *element_class;
GstBaseTransformClass *trans_class;
element_class = GST_ELEMENT_CLASS (klass);
trans_class = GST_BASE_TRANSFORM_CLASS (klass);
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_add_static_pad_template (element_class, &src_template);
gst_element_class_set_static_metadata (element_class,
"CUDA downloader", "Filter/Video",
"Uploads data into NVIDA GPU via CUDA APIs",
"Seungha Yang <seungha.yang@navercorp.com>");
trans_class->passthrough_on_same_caps = TRUE;
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_cuda_download_transform_caps);
GST_DEBUG_CATEGORY_INIT (gst_cuda_download_debug,
"cudadownload", 0, "cudadownload Element");
}
static void
gst_cuda_download_init (GstCudaDownload * download)
{
}
static GstCaps *
_set_caps_features (const GstCaps * caps, const gchar * feature_name)
{
GstCaps *tmp = gst_caps_copy (caps);
guint n = gst_caps_get_size (tmp);
guint i = 0;
for (i = 0; i < n; i++)
gst_caps_set_features (tmp, i,
gst_caps_features_from_string (feature_name));
return tmp;
}
static GstCaps *
gst_cuda_download_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *result, *tmp;
GST_DEBUG_OBJECT (trans,
"Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
(direction == GST_PAD_SINK) ? "sink" : "src");
if (direction == GST_PAD_SINK) {
tmp = _set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
tmp = gst_caps_merge (gst_caps_ref (caps), tmp);
} else {
GstCaps *newcaps;
tmp = gst_caps_ref (caps);
newcaps = _set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY);
tmp = gst_caps_merge (tmp, newcaps);
}
if (filter) {
result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
} else {
result = tmp;
}
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, result);
return result;
}

51
sys/nvcodec/gstcudadownload.h Normal file
View file

@ -0,0 +1,51 @@
/* GStreamer
* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_CUDA_DOWNLOAD_H__
#define __GST_CUDA_DOWNLOAD_H__
#include "gstcudabasetransform.h"
G_BEGIN_DECLS
#define GST_TYPE_CUDA_DOWNLOAD (gst_cuda_download_get_type())
#define GST_CUDA_DOWNLOAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUDA_DOWNLOAD,GstCudaDownload))
#define GST_CUDA_DOWNLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_DOWNLOAD,GstCudaDownloadClass))
#define GST_CUDA_DOWNLOAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_DOWNLOAD,GstCudaDownloadClass))
#define GST_IS_CUDA_DOWNLOAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUDA_DOWNLOAD))
#define GST_IS_CUDA_DOWNLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_CUDA_DOWNLOAD))
typedef struct _GstCudaDownload GstCudaDownload;
typedef struct _GstCudaDownloadClass GstCudaDownloadClass;
struct _GstCudaDownload
{
GstCudaBaseTransform parent;
};
struct _GstCudaDownloadClass
{
GstCudaBaseTransformClass parent_class;
};
GType gst_cuda_download_get_type (void);
G_END_DECLS
#endif /* __GST_CUDA_DOWNLOAD_H__ */

121
sys/nvcodec/gstcudaupload.c Normal file
View file

@ -0,0 +1,121 @@
/* GStreamer
* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "gstcudaupload.h"
GST_DEBUG_CATEGORY_STATIC (gst_cuda_upload_debug);
#define GST_CAT_DEFAULT gst_cuda_upload_debug
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw; video/x-raw("
GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY ")"));
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY ")"));
G_DEFINE_TYPE (GstCudaUpload, gst_cuda_upload, GST_TYPE_CUDA_BASE_TRANSFORM);
static GstCaps *gst_cuda_upload_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static void
gst_cuda_upload_class_init (GstCudaUploadClass * klass)
{
GstElementClass *element_class;
GstBaseTransformClass *trans_class;
element_class = GST_ELEMENT_CLASS (klass);
trans_class = GST_BASE_TRANSFORM_CLASS (klass);
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_add_static_pad_template (element_class, &src_template);
gst_element_class_set_static_metadata (element_class,
"CUDA uploader", "Filter/Video",
"Uploads data into NVIDA GPU via CUDA APIs",
"Seungha Yang <seungha.yang@navercorp.com>");
trans_class->passthrough_on_same_caps = TRUE;
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_cuda_upload_transform_caps);
GST_DEBUG_CATEGORY_INIT (gst_cuda_upload_debug,
"cudaupload", 0, "cudaupload Element");
}
static void
gst_cuda_upload_init (GstCudaUpload * upload)
{
}
static GstCaps *
_set_caps_features (const GstCaps * caps, const gchar * feature_name)
{
GstCaps *tmp = gst_caps_copy (caps);
guint n = gst_caps_get_size (tmp);
guint i = 0;
for (i = 0; i < n; i++)
gst_caps_set_features (tmp, i,
gst_caps_features_from_string (feature_name));
return tmp;
}
static GstCaps *
gst_cuda_upload_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *result, *tmp;
GST_DEBUG_OBJECT (trans,
"Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
(direction == GST_PAD_SINK) ? "sink" : "src");
if (direction == GST_PAD_SINK) {
tmp = _set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY);
tmp = gst_caps_merge (gst_caps_ref (caps), tmp);
} else {
GstCaps *newcaps;
tmp = gst_caps_ref (caps);
newcaps = _set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
tmp = gst_caps_merge (tmp, newcaps);
}
if (filter) {
result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
} else {
result = tmp;
}
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, result);
return result;
}

51
sys/nvcodec/gstcudaupload.h Normal file
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@ -0,0 +1,51 @@
/* GStreamer
* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_CUDA_UPLOAD_H__
#define __GST_CUDA_UPLOAD_H__
#include "gstcudabasetransform.h"
G_BEGIN_DECLS
#define GST_TYPE_CUDA_UPLOAD (gst_cuda_upload_get_type())
#define GST_CUDA_UPLOAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUDA_UPLOAD,GstCudaUpload))
#define GST_CUDA_UPLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_UPLOAD,GstCudaUploadClass))
#define GST_CUDA_UPLOAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_UPLOAD,GstCudaUploadClass))
#define GST_IS_CUDA_UPLOAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUDA_UPLOAD))
#define GST_IS_CUDA_UPLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_CUDA_UPLOAD))
typedef struct _GstCudaUpload GstCudaUpload;
typedef struct _GstCudaUploadClass GstCudaUploadClass;
struct _GstCudaUpload
{
GstCudaBaseTransform parent;
};
struct _GstCudaUploadClass
{
GstCudaBaseTransformClass parent_class;
};
GType gst_cuda_upload_get_type (void);
G_END_DECLS
#endif /* __GST_CUDA_UPLOAD_H__ */

3
sys/nvcodec/meson.build
View file

@ -14,6 +14,9 @@ nvcodec_sources = [
'gstnvh265dec.c',
'gstcudamemory.c',
'gstcudabufferpool.c',
'gstcudabasetransform.c',
'gstcudadownload.c',
'gstcudaupload.c',
]
if get_option('nvcodec').disabled()

7
sys/nvcodec/plugin.c
View file

@ -34,6 +34,8 @@
#include "gstnvh264dec.h"
#include "gstnvh265dec.h"
#include "gstnvdecoder.h"
#include "gstcudadownload.h"
#include "gstcudaupload.h"
GST_DEBUG_CATEGORY (gst_nvcodec_debug);
GST_DEBUG_CATEGORY (gst_nvdec_debug);
@ -194,6 +196,11 @@ plugin_init (GstPlugin * plugin)
CuCtxDestroy (cuda_ctx);
}
gst_element_register (plugin, "cudadownload", GST_RANK_NONE,
GST_TYPE_CUDA_DOWNLOAD);
gst_element_register (plugin, "cudaupload", GST_RANK_NONE,
GST_TYPE_CUDA_UPLOAD);
return TRUE;
}