2016-02-08 11:49:15 +00:00
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/*
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* GStreamer
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* Copyright (C) 2016 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-vulkanupload
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*
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* vulkanupload uploads data into Vulkan memory objects.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include "vkupload.h"
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GST_DEBUG_CATEGORY (gst_debug_vulkan_upload);
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#define GST_CAT_DEFAULT gst_debug_vulkan_upload
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static void gst_vulkan_upload_finalize (GObject * object);
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static void gst_vulkan_upload_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * param_spec);
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static void gst_vulkan_upload_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * param_spec);
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static gboolean gst_vulkan_upload_query (GstBaseTransform * bt,
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GstPadDirection direction, GstQuery * query);
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static void gst_vulkan_upload_set_context (GstElement * element,
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GstContext * context);
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static GstStateChangeReturn gst_vulkan_upload_change_state (GstElement *
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element, GstStateChange transition);
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static gboolean gst_vulkan_upload_set_caps (GstBaseTransform * bt,
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GstCaps * in_caps, GstCaps * out_caps);
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static GstCaps *gst_vulkan_upload_transform_caps (GstBaseTransform * bt,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter);
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2016-02-08 13:07:38 +00:00
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static gboolean gst_vulkan_upload_propose_allocation (GstBaseTransform * bt,
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GstQuery * decide_query, GstQuery * query);
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static gboolean gst_vulkan_upload_decide_allocation (GstBaseTransform * bt,
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GstQuery * query);
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2016-02-08 11:49:15 +00:00
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static GstFlowReturn gst_vulkan_upload_transform (GstBaseTransform * bt,
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GstBuffer * inbuf, GstBuffer * outbuf);
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static GstFlowReturn gst_vulkan_upload_prepare_output_buffer (GstBaseTransform *
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bt, GstBuffer * inbuf, GstBuffer ** outbuf);
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw"));
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw(memory:"
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GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME ") ; " "video/x-raw"));
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enum
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{
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PROP_0,
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};
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enum
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{
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SIGNAL_0,
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LAST_SIGNAL
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};
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/* static guint gst_vulkan_upload_signals[LAST_SIGNAL] = { 0 }; */
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#define gst_vulkan_upload_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstVulkanUpload, gst_vulkan_upload,
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GST_TYPE_BASE_TRANSFORM, GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_upload,
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"vulkanupload", 0, "Vulkan Uploader"));
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static void
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gst_vulkan_upload_class_init (GstVulkanUploadClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseTransformClass *gstbasetransform_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasetransform_class = (GstBaseTransformClass *) klass;
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gobject_class->set_property = gst_vulkan_upload_set_property;
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gobject_class->get_property = gst_vulkan_upload_get_property;
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gst_element_class_set_metadata (gstelement_class, "Vulkan Uploader",
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"Filter/Video", "A Vulkan data uploader",
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"Matthew Waters <matthew@centricular.com>");
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&src_template));
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gobject_class->finalize = gst_vulkan_upload_finalize;
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gstelement_class->change_state = gst_vulkan_upload_change_state;
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gstelement_class->set_context = gst_vulkan_upload_set_context;
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gstbasetransform_class->query = GST_DEBUG_FUNCPTR (gst_vulkan_upload_query);
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gstbasetransform_class->set_caps = gst_vulkan_upload_set_caps;
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gstbasetransform_class->transform_caps = gst_vulkan_upload_transform_caps;
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2016-02-08 13:07:38 +00:00
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gstbasetransform_class->propose_allocation =
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gst_vulkan_upload_propose_allocation;
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gstbasetransform_class->decide_allocation =
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gst_vulkan_upload_decide_allocation;
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2016-02-08 11:49:15 +00:00
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gstbasetransform_class->transform = gst_vulkan_upload_transform;
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gstbasetransform_class->prepare_output_buffer =
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gst_vulkan_upload_prepare_output_buffer;
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}
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static void
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gst_vulkan_upload_init (GstVulkanUpload * vk_upload)
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{
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}
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static void
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gst_vulkan_upload_finalize (GObject * object)
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{
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// GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (object);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_vulkan_upload_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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// GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_vulkan_upload_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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// GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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gst_vulkan_upload_query (GstBaseTransform * bt, GstPadDirection direction,
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GstQuery * query)
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{
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GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
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gboolean res = FALSE;
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_CONTEXT:{
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res = gst_vulkan_handle_context_query (GST_ELEMENT (vk_upload), query,
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&vk_upload->display, &vk_upload->instance, &vk_upload->device);
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if (res)
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return res;
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break;
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}
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default:
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break;
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}
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return GST_BASE_TRANSFORM_CLASS (parent_class)->query (bt, direction, query);
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}
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static void
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gst_vulkan_upload_set_context (GstElement * element, GstContext * context)
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{
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GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (element);
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gst_vulkan_handle_set_context (element, context, &vk_upload->display,
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&vk_upload->instance);
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GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
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}
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static gboolean
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_find_vulkan_device (GstVulkanUpload * upload)
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{
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/* Requires the instance to exist */
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GstQuery *query;
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GstContext *context;
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const GstStructure *s;
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if (upload->device)
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return TRUE;
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query = gst_query_new_context ("gst.vulkan.device");
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if (!upload->device
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&& gst_vulkan_run_query (GST_ELEMENT (upload), query, GST_PAD_SRC)) {
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gst_query_parse_context (query, &context);
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if (context) {
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s = gst_context_get_structure (context);
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gst_structure_get (s, "device", GST_TYPE_VULKAN_DEVICE, &upload->device,
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NULL);
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}
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}
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if (!upload->device
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&& gst_vulkan_run_query (GST_ELEMENT (upload), query, GST_PAD_SINK)) {
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gst_query_parse_context (query, &context);
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if (context) {
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s = gst_context_get_structure (context);
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gst_structure_get (s, "device", GST_TYPE_VULKAN_DEVICE, &upload->device,
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NULL);
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}
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}
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GST_DEBUG_OBJECT (upload, "found device %p", upload->device);
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gst_query_unref (query);
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if (upload->device)
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return TRUE;
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return FALSE;
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}
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static GstStateChangeReturn
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gst_vulkan_upload_change_state (GstElement * element, GstStateChange transition)
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{
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GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (element);
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GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
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GST_DEBUG ("changing state: %s => %s",
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gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
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gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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if (!gst_vulkan_ensure_element_data (element, &vk_upload->display,
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&vk_upload->instance)) {
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GST_ELEMENT_ERROR (vk_upload, RESOURCE, NOT_FOUND,
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("Failed to retreive vulkan instance/display"), (NULL));
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return GST_STATE_CHANGE_FAILURE;
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}
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if (!_find_vulkan_device (vk_upload)) {
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GST_ELEMENT_ERROR (vk_upload, RESOURCE, NOT_FOUND,
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("Failed to retreive vulkan device"), (NULL));
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return GST_STATE_CHANGE_FAILURE;
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}
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break;
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case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
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break;
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default:
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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if (ret == GST_STATE_CHANGE_FAILURE)
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return ret;
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switch (transition) {
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case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
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break;
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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if (vk_upload->display)
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gst_object_unref (vk_upload->display);
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vk_upload->display = NULL;
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if (vk_upload->device)
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gst_object_unref (vk_upload->device);
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vk_upload->device = NULL;
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if (vk_upload->instance)
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gst_object_unref (vk_upload->instance);
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vk_upload->instance = NULL;
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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break;
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default:
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break;
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}
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return ret;
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}
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static GstCaps *
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gst_vulkan_upload_transform_caps (GstBaseTransform * bt,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter)
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{
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// GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
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GstCaps *tmp = NULL;
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GstCaps *result = NULL;
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tmp = gst_caps_copy (caps);
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if (direction == GST_PAD_SINK) {
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gst_caps_set_features (tmp, 0,
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER));
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} else {
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gst_caps_set_features (tmp, 0,
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY));
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}
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if (filter) {
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GST_DEBUG_OBJECT (bt, "intersecting with filter caps %" GST_PTR_FORMAT,
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filter);
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result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (tmp);
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} else {
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result = tmp;
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}
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GST_DEBUG_OBJECT (bt, "returning caps: %" GST_PTR_FORMAT, result);
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return result;
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}
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static gboolean
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gst_vulkan_upload_set_caps (GstBaseTransform * bt, GstCaps * in_caps,
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GstCaps * out_caps)
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{
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GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
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guint out_width, out_height;
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guint i;
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if (!gst_video_info_from_caps (&vk_upload->in_info, in_caps))
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return FALSE;
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if (!gst_video_info_from_caps (&vk_upload->out_info, out_caps))
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
out_width = GST_VIDEO_INFO_WIDTH (&vk_upload->out_info);
|
|
|
|
out_height = GST_VIDEO_INFO_HEIGHT (&vk_upload->out_info);
|
|
|
|
|
|
|
|
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&vk_upload->out_info); i++) {
|
|
|
|
GstVideoFormat v_format = GST_VIDEO_INFO_FORMAT (&vk_upload->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 (vk_upload->device, vk_format, out_width,
|
|
|
|
out_height, VK_IMAGE_TILING_OPTIMAL,
|
|
|
|
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
|
|
|
|
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
|
|
|
|
|
|
|
vk_upload->alloc_sizes[i] = img_mem->requirements.size;
|
|
|
|
|
|
|
|
gst_memory_unref (GST_MEMORY_CAST (img_mem));
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (bt,
|
|
|
|
"set caps in: %" GST_PTR_FORMAT " out: %" GST_PTR_FORMAT, in_caps,
|
|
|
|
out_caps);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2016-02-08 13:07:38 +00:00
|
|
|
static gboolean
|
|
|
|
gst_vulkan_upload_propose_allocation (GstBaseTransform * bt,
|
|
|
|
GstQuery * decide_query, GstQuery * query)
|
|
|
|
{
|
|
|
|
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
|
|
|
|
gboolean need_pool;
|
|
|
|
GstCaps *caps;
|
|
|
|
gboolean ret;
|
|
|
|
guint size;
|
|
|
|
|
|
|
|
gst_query_parse_allocation (query, &caps, &need_pool);
|
|
|
|
|
|
|
|
if (caps == NULL)
|
|
|
|
goto no_caps;
|
|
|
|
|
|
|
|
if (need_pool) {
|
|
|
|
GstBufferPool *pool;
|
|
|
|
GstStructure *config;
|
|
|
|
GstVideoInfo info;
|
|
|
|
|
|
|
|
if (!gst_video_info_from_caps (&info, caps))
|
|
|
|
goto invalid_caps;
|
|
|
|
|
|
|
|
/* the normal size of a frame */
|
|
|
|
size = info.size;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (bt, "create new pool");
|
|
|
|
pool = gst_vulkan_buffer_pool_new (vk_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);
|
|
|
|
goto config_failed;
|
|
|
|
}
|
|
|
|
|
|
|
|
gst_query_add_allocation_pool (query, pool, size, 1, 0);
|
|
|
|
g_object_unref (pool);
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
/* ERRORS */
|
|
|
|
no_caps:
|
|
|
|
{
|
|
|
|
GST_DEBUG_OBJECT (bt, "no caps specified");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
invalid_caps:
|
|
|
|
{
|
|
|
|
GST_DEBUG_OBJECT (bt, "invalid caps specified");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
config_failed:
|
|
|
|
{
|
|
|
|
GST_DEBUG_OBJECT (bt, "failed setting config");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_vulkan_upload_decide_allocation (GstBaseTransform * bt, GstQuery * query)
|
|
|
|
{
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2016-02-08 11:49:15 +00:00
|
|
|
static GstFlowReturn
|
|
|
|
gst_vulkan_upload_prepare_output_buffer (GstBaseTransform * bt,
|
|
|
|
GstBuffer * inbuf, GstBuffer ** outbuf)
|
2016-02-08 13:07:38 +00:00
|
|
|
{
|
|
|
|
if (gst_is_vulkan_buffer_memory (gst_buffer_peek_memory (inbuf, 0))) {
|
|
|
|
*outbuf = inbuf;
|
|
|
|
return GST_FLOW_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
return GST_BASE_TRANSFORM_CLASS (parent_class)->prepare_output_buffer (bt,
|
|
|
|
inbuf, outbuf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstFlowReturn
|
|
|
|
gst_vulkan_upload_transform (GstBaseTransform * bt, GstBuffer * inbuf,
|
|
|
|
GstBuffer * outbuf)
|
2016-02-08 11:49:15 +00:00
|
|
|
{
|
|
|
|
GstVulkanUpload *vk_upload = GST_VULKAN_UPLOAD (bt);
|
|
|
|
GstVideoFrame v_frame;
|
|
|
|
guint i;
|
|
|
|
|
2016-02-08 13:07:38 +00:00
|
|
|
if (inbuf == outbuf)
|
|
|
|
return GST_FLOW_OK;
|
2016-02-08 11:49:15 +00:00
|
|
|
|
|
|
|
if (!gst_video_frame_map (&v_frame, &vk_upload->in_info, inbuf, GST_MAP_READ)) {
|
|
|
|
GST_ELEMENT_ERROR (bt, RESOURCE, NOT_FOUND,
|
|
|
|
("%s", "Failed to map input buffer"), NULL);
|
|
|
|
return GST_FLOW_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&vk_upload->out_info); i++) {
|
|
|
|
GstMapInfo map_info;
|
|
|
|
gsize plane_size;
|
|
|
|
GstMemory *mem;
|
|
|
|
|
2016-02-08 13:07:38 +00:00
|
|
|
mem = gst_buffer_peek_memory (outbuf, i);
|
2016-02-08 11:49:15 +00:00
|
|
|
if (!gst_memory_map (GST_MEMORY_CAST (mem), &map_info, GST_MAP_WRITE)) {
|
|
|
|
GST_ELEMENT_ERROR (bt, RESOURCE, NOT_FOUND,
|
|
|
|
("%s", "Failed to map output memory"), NULL);
|
|
|
|
return GST_FLOW_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
plane_size =
|
|
|
|
GST_VIDEO_INFO_PLANE_STRIDE (&vk_upload->out_info,
|
|
|
|
i) * GST_VIDEO_INFO_COMP_HEIGHT (&vk_upload->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);
|
|
|
|
|
2016-02-08 13:07:38 +00:00
|
|
|
gst_buffer_append_memory (outbuf, mem);
|
2016-02-08 11:49:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
gst_video_frame_unmap (&v_frame);
|
|
|
|
|
|
|
|
return GST_FLOW_OK;
|
|
|
|
}
|