/*
* GStreamer
* Copyright (C) 2016 Matthew Waters <matthew@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-vulkanupload
* @title: vulkanupload
*
* vulkanupload uploads data into Vulkan memory objects.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "vkupload.h"
GST_DEBUG_CATEGORY (gst_debug_vulkan_upload);
#define GST_CAT_DEFAULT gst_debug_vulkan_upload
static GstCaps *
_set_caps_features_with_passthrough (const GstCaps * caps,
const gchar * feature_name, GstCapsFeatures * passthrough)
{
guint i, j, m, n;
GstCaps *tmp;
tmp = gst_caps_copy (caps);
n = gst_caps_get_size (caps);
for (i = 0; i < n; i++) {
GstCapsFeatures *features, *orig_features;
orig_features = gst_caps_get_features (caps, i);
features = gst_caps_features_new (feature_name, NULL);
m = gst_caps_features_get_size (orig_features);
for (j = 0; j < m; j++) {
const gchar *feature = gst_caps_features_get_nth (orig_features, j);
/* if we already have the features */
if (gst_caps_features_contains (features, feature))
continue;
if (g_strcmp0 (feature, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY) == 0)
continue;
if (passthrough && gst_caps_features_contains (passthrough, feature)) {
gst_caps_features_add (features, feature);
}
}
gst_caps_set_features (tmp, i, features);
}
return tmp;
}
struct BufferUpload
{
GstVulkanUpload *upload;
};
static gpointer
_buffer_new_impl (GstVulkanUpload * upload)
{
struct BufferUpload *raw = g_new0 (struct BufferUpload, 1);
raw->upload = upload;
return raw;
}
static GstCaps *
_buffer_transform_caps (gpointer impl, GstPadDirection direction,
GstCaps * caps)
{
return gst_caps_ref (caps);
}
static gboolean
_buffer_set_caps (gpointer impl, GstCaps * in_caps, GstCaps * out_caps)
{
return TRUE;
}
static void
_buffer_propose_allocation (gpointer impl, GstQuery * decide_query,
GstQuery * query)
{
struct BufferUpload *raw = impl;
gboolean need_pool;
GstCaps *caps;
GstVideoInfo info;
guint size;
GstBufferPool *pool = NULL;
gst_query_parse_allocation (query, &caps, &need_pool);
if (caps == NULL)
return;
if (!gst_video_info_from_caps (&info, caps))
return;
/* the normal size of a frame */
size = info.size;
if (need_pool) {
GstStructure *config;
pool = gst_vulkan_buffer_pool_new (raw->upload->device);
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
if (!gst_buffer_pool_set_config (pool, config)) {
g_object_unref (pool);
return;
}
}
gst_query_add_allocation_pool (query, pool, size, 1, 0);
if (pool)
g_object_unref (pool);
return;
}
static GstFlowReturn
_buffer_perform (gpointer impl, GstBuffer * inbuf, GstBuffer ** outbuf)
{
if (!gst_is_vulkan_buffer_memory (gst_buffer_peek_memory (inbuf, 0)))
return GST_FLOW_ERROR;
*outbuf = inbuf;
return GST_FLOW_OK;
}
static void
_buffer_free (gpointer impl)
{
g_free (impl);
}
static GstStaticCaps _buffer_in_templ =
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER ") ;"
"video/x-raw");
static GstStaticCaps _buffer_out_templ =
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER ")");
static const struct UploadMethod buffer_upload = {
"VulkanBuffer",
&_buffer_in_templ,
&_buffer_out_templ,
_buffer_new_impl,
_buffer_transform_caps,
_buffer_set_caps,
_buffer_propose_allocation,
_buffer_perform,
_buffer_free,
};
struct RawToBufferUpload
{
GstVulkanUpload *upload;
GstVideoInfo in_info;
GstVideoInfo out_info;
GstBufferPool *pool;
gboolean pool_active;
gsize alloc_sizes[GST_VIDEO_MAX_PLANES];
};
static gpointer
_raw_to_buffer_new_impl (GstVulkanUpload * upload)
{
struct RawToBufferUpload *raw = g_new0 (struct RawToBufferUpload, 1);
raw->upload = upload;
return raw;
}
static GstCaps *
_raw_to_buffer_transform_caps (gpointer impl, GstPadDirection direction,
GstCaps * caps)
{
GstCaps *ret;
if (direction == GST_PAD_SINK) {
ret =
_set_caps_features_with_passthrough (caps,
GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER, NULL);
} else {
ret =
_set_caps_features_with_passthrough (caps,
GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY, NULL);
}
return ret;
}
static gboolean
_raw_to_buffer_set_caps (gpointer impl, GstCaps * in_caps, GstCaps * out_caps)
{
struct RawToBufferUpload *raw = impl;
guint out_width, out_height;
guint i;
if (!gst_video_info_from_caps (&raw->in_info, in_caps))
return FALSE;
if (!gst_video_info_from_caps (&raw->out_info, out_caps))
return FALSE;
out_width = GST_VIDEO_INFO_WIDTH (&raw->out_info);
out_height = GST_VIDEO_INFO_HEIGHT (&raw->out_info);
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&raw->out_info); i++) {
GstVideoFormat v_format = GST_VIDEO_INFO_FORMAT (&raw->out_info);
GstVulkanImageMemory *img_mem;
VkFormat vk_format;
vk_format = gst_vulkan_format_from_video_format (v_format, i);
img_mem = (GstVulkanImageMemory *)
gst_vulkan_image_memory_alloc (raw->upload->device, vk_format,
out_width, out_height, VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
raw->alloc_sizes[i] = img_mem->requirements.size;
gst_memory_unref (GST_MEMORY_CAST (img_mem));
}
return TRUE;
}
static void
_raw_to_buffer_propose_allocation (gpointer impl, GstQuery * decide_query,
GstQuery * query)
{
/* a little trickery with the impl pointer */
_buffer_propose_allocation (impl, decide_query, query);
}
static GstFlowReturn
_raw_to_buffer_perform (gpointer impl, GstBuffer * inbuf, GstBuffer ** outbuf)
{
struct RawToBufferUpload *raw = impl;
GstVideoFrame v_frame;
GstFlowReturn ret;
guint i;
if (!raw->pool) {
GstStructure *config;
guint min = 0, max = 0;
gsize size = 1;
raw->pool = gst_vulkan_buffer_pool_new (raw->upload->device);
config = gst_buffer_pool_get_config (raw->pool);
gst_buffer_pool_config_set_params (config, raw->upload->out_caps, size, min,
max);
gst_buffer_pool_set_config (raw->pool, config);
}
if (!raw->pool_active) {
gst_buffer_pool_set_active (raw->pool, TRUE);
raw->pool_active = TRUE;
}
if ((ret =
gst_buffer_pool_acquire_buffer (raw->pool, outbuf,
NULL)) != GST_FLOW_OK)
goto out;
if (!gst_video_frame_map (&v_frame, &raw->in_info, inbuf, GST_MAP_READ)) {
GST_ELEMENT_ERROR (raw->upload, RESOURCE, NOT_FOUND,
("%s", "Failed to map input buffer"), NULL);
return GST_FLOW_ERROR;
}
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&raw->out_info); i++) {
GstMapInfo map_info;
gsize plane_size;
GstMemory *mem;
mem = gst_buffer_peek_memory (*outbuf, i);
if (!gst_memory_map (GST_MEMORY_CAST (mem), &map_info, GST_MAP_WRITE)) {
GST_ELEMENT_ERROR (raw->upload, RESOURCE, NOT_FOUND,
("%s", "Failed to map output memory"), NULL);
gst_buffer_unref (*outbuf);
*outbuf = NULL;
ret = GST_FLOW_ERROR;
goto out;
}
plane_size =
GST_VIDEO_INFO_PLANE_STRIDE (&raw->out_info,
i) * GST_VIDEO_INFO_COMP_HEIGHT (&raw->out_info, i);
g_assert (plane_size < map_info.size);
memcpy (map_info.data, v_frame.data[i], plane_size);
gst_memory_unmap (GST_MEMORY_CAST (mem), &map_info);
}
gst_video_frame_unmap (&v_frame);
ret = GST_FLOW_OK;
out:
return ret;
}
static void
_raw_to_buffer_free (gpointer impl)
{
struct RawToBufferUpload *raw = impl;
if (raw->pool) {
if (raw->pool_active) {
gst_buffer_pool_set_active (raw->pool, FALSE);
}
raw->pool_active = FALSE;
gst_object_unref (raw->pool);
raw->pool = NULL;
}
g_free (impl);
}
static GstStaticCaps _raw_to_buffer_in_templ = GST_STATIC_CAPS ("video/x-raw");
static GstStaticCaps _raw_to_buffer_out_templ =
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER ")");
static const struct UploadMethod raw_to_buffer_upload = {
"RawToVulkanBuffer",
&_raw_to_buffer_in_templ,
&_raw_to_buffer_out_templ,
_raw_to_buffer_new_impl,
_raw_to_buffer_transform_caps,
_raw_to_buffer_set_caps,
_raw_to_buffer_propose_allocation,
_raw_to_buffer_perform,
_raw_to_buffer_free,
};
static const struct UploadMethod *upload_methods[] = {
&buffer_upload,
&raw_to_buffer_upload,
};
static GstCaps *
_get_input_template_caps (void)
{
GstCaps *ret = NULL;
gint i;
/* FIXME: cache this and invalidate on changes to upload_methods */
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
GstCaps *template = gst_static_caps_get (upload_methods[i]->in_template);
ret = ret == NULL ? template : gst_caps_merge (ret, template);
}
ret = gst_caps_simplify (ret);
return ret;
}
static GstCaps *
_get_output_template_caps (void)
{
GstCaps *ret = NULL;
gint i;
/* FIXME: cache this and invalidate on changes to upload_methods */
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
GstCaps *template = gst_static_caps_get (upload_methods[i]->out_template);
ret = ret == NULL ? template : gst_caps_merge (ret, template);
}
ret = gst_caps_simplify (ret);
return ret;
}
static void gst_vulkan_upload_finalize (GObject * object);
static void gst_vulkan_upload_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * param_spec);
static void gst_vulkan_upload_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * param_spec);
static gboolean gst_vulkan_upload_query (GstBaseTransform * bt,
GstPadDirection direction, GstQuery * query);
static void gst_vulkan_upload_set_context (GstElement * element,
GstContext * context);
static GstStateChangeReturn gst_vulkan_upload_change_state (GstElement *
element, GstStateChange transition);
static gboolean gst_vulkan_upload_set_caps (GstBaseTransform * bt,
GstCaps * in_caps, GstCaps * out_caps);
static GstCaps *gst_vulkan_upload_transform_caps (GstBaseTransform * bt,
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static gboolean gst_vulkan_upload_propose_allocation (GstBaseTransform * bt,
GstQuery * decide_query, GstQuery * query);
static gboolean gst_vulkan_upload_decide_allocation (GstBaseTransform * bt,
GstQuery * query);
static GstFlowReturn gst_vulkan_upload_transform (GstBaseTransform * bt,
GstBuffer * inbuf, GstBuffer * outbuf);
static GstFlowReturn gst_vulkan_upload_prepare_output_buffer (GstBaseTransform *
bt, GstBuffer * inbuf, GstBuffer ** outbuf);
enum
{
PROP_0,
};
enum
{
SIGNAL_0,
LAST_SIGNAL
};
/* static guint gst_vulkan_upload_signals[LAST_SIGNAL] = { 0 }; */
#define gst_vulkan_upload_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstVulkanUpload, gst_vulkan_upload,
GST_TYPE_BASE_TRANSFORM, GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_upload,
"vulkanupload", 0, "Vulkan Uploader"));
static void
gst_vulkan_upload_class_init (GstVulkanUploadClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseTransformClass *gstbasetransform_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasetransform_class = (GstBaseTransformClass *) klass;
gobject_class->set_property = gst_vulkan_upload_set_property;
gobject_class->get_property = gst_vulkan_upload_get_property;
gst_element_class_set_metadata (gstelement_class, "Vulkan Uploader",
"Filter/Video", "A Vulkan data uploader",
"Matthew Waters <matthew@centricular.com>");
{
GstCaps *caps;
caps = _get_input_template_caps ();
gst_element_class_add_pad_template (gstelement_class,
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps));
gst_caps_unref (caps);
caps = _get_output_template_caps ();
gst_element_class_add_pad_template (gstelement_class,
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps));
gst_caps_unref (caps);
}
gobject_class->finalize = gst_vulkan_upload_finalize;
gstelement_class->change_state = gst_vulkan_upload_change_state;
gstelement_class->set_context = gst_vulkan_upload_set_context;
gstbasetransform_class->query = GST_DEBUG_FUNCPTR (gst_vulkan_upload_query);
gstbasetransform_class->set_caps = gst_vulkan_upload_set_caps;
gstbasetransform_class->transform_caps = gst_vulkan_upload_transform_caps;
gstbasetransform_class->propose_allocation =
gst_vulkan_upload_propose_allocation;
gstbasetransform_class->decide_allocation =
gst_vulkan_upload_decide_allocation;
gstbasetransform_class->transform = gst_vulkan_upload_transform;
gstbasetransform_class->prepare_output_buffer =
gst_vulkan_upload_prepare_output_buffer;
}
static void
gst_vulkan_upload_init (GstVulkanUpload * vk_upload)
{
guint i, n;
n = G_N_ELEMENTS (upload_methods);
vk_upload->upload_impls = g_malloc (sizeof (gpointer) * n);
for (i = 0; i < n; i++) {
vk_upload->upload_impls[i] = upload_methods[i]->new_impl (vk_upload);
}
}
static void
gst_vulkan_upload_finalize (GObject * object)
{
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (object);
guint i;
gst_caps_replace (&vk_upload->in_caps, NULL);
gst_caps_replace (&vk_upload->out_caps, NULL);
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
upload_methods[i]->free (vk_upload->upload_impls[i]);
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_vulkan_upload_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
// GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_vulkan_upload_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
// GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_vulkan_upload_query (GstBaseTransform * bt, GstPadDirection direction,
GstQuery * query)
{
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
gboolean res = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:{
res = gst_vulkan_handle_context_query (GST_ELEMENT (vk_upload), query,
&vk_upload->display, &vk_upload->instance, &vk_upload->device);
if (res)
return res;
break;
}
default:
break;
}
return GST_BASE_TRANSFORM_CLASS (parent_class)->query (bt, direction, query);
}
static void
gst_vulkan_upload_set_context (GstElement * element, GstContext * context)
{
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (element);
gst_vulkan_handle_set_context (element, context, &vk_upload->display,
&vk_upload->instance);
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static GstStateChangeReturn
gst_vulkan_upload_change_state (GstElement * element, GstStateChange transition)
{
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (element);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GST_DEBUG ("changing state: %s => %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (!gst_vulkan_ensure_element_data (element, &vk_upload->display,
&vk_upload->instance)) {
GST_ELEMENT_ERROR (vk_upload, RESOURCE, NOT_FOUND,
("Failed to retreive vulkan instance/display"), (NULL));
return GST_STATE_CHANGE_FAILURE;
}
if (!gst_vulkan_device_run_context_query (GST_ELEMENT (vk_upload),
&vk_upload->device)) {
GST_ELEMENT_ERROR (vk_upload, RESOURCE, NOT_FOUND,
("Failed to retreive vulkan device"), (NULL));
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (vk_upload->display)
gst_object_unref (vk_upload->display);
vk_upload->display = NULL;
if (vk_upload->device)
gst_object_unref (vk_upload->device);
vk_upload->device = NULL;
if (vk_upload->instance)
gst_object_unref (vk_upload->instance);
vk_upload->instance = NULL;
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
static GstCaps *
gst_vulkan_upload_transform_caps (GstBaseTransform * bt,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
GstCaps *result, *tmp;
gint i;
tmp = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
GstCaps *tmp2;
GstCaps *templ;
if (direction == GST_PAD_SINK) {
templ = gst_static_caps_get (upload_methods[i]->in_template);
} else {
templ = gst_static_caps_get (upload_methods[i]->out_template);
}
if (!gst_caps_can_intersect (caps, templ)) {
gst_caps_unref (templ);
continue;
}
gst_caps_unref (templ);
tmp2 = upload_methods[i]->transform_caps (vk_upload->upload_impls[i],
direction, caps);
if (tmp2)
tmp = gst_caps_merge (tmp, tmp2);
}
if (filter) {
result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
} else {
result = tmp;
}
return result;
}
static gboolean
gst_vulkan_upload_set_caps (GstBaseTransform * bt, GstCaps * in_caps,
GstCaps * out_caps)
{
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
gboolean found_method = FALSE;
guint i;
gst_caps_replace (&vk_upload->in_caps, in_caps);
gst_caps_replace (&vk_upload->out_caps, out_caps);
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
GstCaps *templ;
templ = gst_static_caps_get (upload_methods[i]->in_template);
if (!gst_caps_can_intersect (in_caps, templ)) {
gst_caps_unref (templ);
continue;
}
gst_caps_unref (templ);
templ = gst_static_caps_get (upload_methods[i]->out_template);
if (!gst_caps_can_intersect (out_caps, templ)) {
gst_caps_unref (templ);
continue;
}
gst_caps_unref (templ);
if (!upload_methods[i]->set_caps (vk_upload->upload_impls[i], in_caps,
out_caps))
continue;
GST_LOG_OBJECT (bt, "uploader %s accepted caps in: %" GST_PTR_FORMAT
" out: %" GST_PTR_FORMAT, upload_methods[i]->name, in_caps, out_caps);
vk_upload->current_impl = i;
found_method = TRUE;
break;
}
GST_DEBUG_OBJECT (bt,
"set caps in: %" GST_PTR_FORMAT " out: %" GST_PTR_FORMAT, in_caps,
out_caps);
return found_method;
}
static gboolean
gst_vulkan_upload_propose_allocation (GstBaseTransform * bt,
GstQuery * decide_query, GstQuery * query)
{
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
guint i;
for (i = 0; i < G_N_ELEMENTS (upload_methods); i++) {
GstCaps *templ;
templ = gst_static_caps_get (upload_methods[i]->in_template);
if (!gst_caps_can_intersect (vk_upload->in_caps, templ)) {
gst_caps_unref (templ);
continue;
}
gst_caps_unref (templ);
templ = gst_static_caps_get (upload_methods[i]->out_template);
if (!gst_caps_can_intersect (vk_upload->out_caps, templ)) {
gst_caps_unref (templ);
continue;
}
gst_caps_unref (templ);
upload_methods[i]->propose_allocation (vk_upload->upload_impls[i],
decide_query, query);
}
return TRUE;
}
static gboolean
gst_vulkan_upload_decide_allocation (GstBaseTransform * bt, GstQuery * query)
{
return TRUE;
}
static gboolean
_upload_find_method (GstVulkanUpload * vk_upload)
{
vk_upload->current_impl++;
if (vk_upload->current_impl >= G_N_ELEMENTS (upload_methods))
return FALSE;
GST_DEBUG_OBJECT (vk_upload, "attempting upload with uploader %s",
upload_methods[vk_upload->current_impl]->name);
return TRUE;
}
static GstFlowReturn
gst_vulkan_upload_prepare_output_buffer (GstBaseTransform * bt,
GstBuffer * inbuf, GstBuffer ** outbuf)
{
GstBaseTransformClass *bclass = GST_BASE_TRANSFORM_GET_CLASS (bt);
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
GstFlowReturn ret;
restart:
{
gpointer method_impl;
const struct UploadMethod *method;
method = upload_methods[vk_upload->current_impl];
method_impl = vk_upload->upload_impls[vk_upload->current_impl];
ret = method->perform (method_impl, inbuf, outbuf);
if (ret != GST_FLOW_OK) {
next_method:
if (!_upload_find_method (vk_upload)) {
GST_ELEMENT_ERROR (bt, RESOURCE, NOT_FOUND,
("Could not find suitable uploader"), (NULL));
return GST_FLOW_ERROR;
}
method = upload_methods[vk_upload->current_impl];
method_impl = vk_upload->upload_impls[vk_upload->current_impl];
if (!method->set_caps (method_impl, vk_upload->in_caps,
vk_upload->out_caps))
/* try the next method */
goto next_method;
/* try the uploading with the next method */
goto restart;
}
}
if (ret == GST_FLOW_OK) {
/* basetransform doesn't unref if they're the same */
if (inbuf != *outbuf)
bclass->copy_metadata (bt, inbuf, *outbuf);
}
return ret;
}
static GstFlowReturn
gst_vulkan_upload_transform (GstBaseTransform * bt, GstBuffer * inbuf,
GstBuffer * outbuf)
{
return GST_FLOW_OK;
}