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gstreamer/ext/vulkan/vkupload.c
Matthew Waters 0cb416db11 vkbuffermemory: report requested size of the memory 
Rather than using Vulkan's much larger aligned sizes. Fixes multi-planer
video with the GstVideoFrame API.
2019-06-20 01:41:56 +10:00

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/*
* 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"
#include "vktrash.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,
};
struct BufferToImageUpload
{
GstVulkanUpload *upload;
GstVideoInfo in_info;
GstVideoInfo out_info;
GstBufferPool *pool;
gboolean pool_active;
GstVulkanCommandPool *cmd_pool;
GList *trash_list;
};
static gpointer
_buffer_to_image_new_impl (GstVulkanUpload * upload)
{
struct BufferToImageUpload *raw = g_new0 (struct BufferToImageUpload, 1);
raw->upload = upload;
return raw;
}
static GstCaps *
_buffer_to_image_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_IMAGE, NULL);
} else {
ret =
_set_caps_features_with_passthrough (caps,
GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER, NULL);
}
return ret;
}
static gboolean
_buffer_to_image_set_caps (gpointer impl, GstCaps * in_caps, GstCaps * out_caps)
{
struct BufferToImageUpload *raw = impl;
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;
return TRUE;
}
static void
_buffer_to_image_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
_buffer_to_image_perform (gpointer impl, GstBuffer * inbuf, GstBuffer ** outbuf)
{
struct BufferToImageUpload *raw = impl;
GstFlowReturn ret;
GError *error = NULL;
VkResult err;
VkCommandBuffer cmd;
guint i;
if (!raw->cmd_pool) {
if (!(raw->cmd_pool =
gst_vulkan_queue_create_command_pool (raw->upload->queue,
&error))) {
goto error;
}
}
if (!(cmd = gst_vulkan_command_pool_create (raw->cmd_pool, &error)))
goto error;
if (!raw->pool) {
GstStructure *config;
guint min = 0, max = 0;
gsize size = 1;
raw->pool = gst_vulkan_image_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;
{
/* *INDENT-OFF* */
VkCommandBufferBeginInfo cmd_buf_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.pNext = NULL,
.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT,
.pInheritanceInfo = NULL
};
/* *INDENT-ON* */
err = vkBeginCommandBuffer (cmd, &cmd_buf_info);
if (gst_vulkan_error_to_g_error (err, &error, "vkBeginCommandBuffer") < 0)
return FALSE;
}
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&raw->out_info); i++) {
VkBufferImageCopy region;
GstMemory *in_mem, *out_mem;
GstVulkanBufferMemory *buf_mem;
GstVulkanImageMemory *img_mem;
VkImageMemoryBarrier image_memory_barrier;
VkBufferMemoryBarrier buffer_memory_barrier;
in_mem = gst_buffer_peek_memory (inbuf, i);
if (!gst_is_vulkan_buffer_memory (in_mem)) {
GST_WARNING_OBJECT (raw->upload, "Input is not a GstVulkanBufferMemory");
goto error;
}
buf_mem = (GstVulkanBufferMemory *) in_mem;
out_mem = gst_buffer_peek_memory (*outbuf, i);
if (!gst_is_vulkan_image_memory (out_mem)) {
GST_WARNING_OBJECT (raw->upload, "Output is not a GstVulkanImageMemory");
goto error;
}
img_mem = (GstVulkanImageMemory *) out_mem;
/* *INDENT-OFF* */
region = (VkBufferImageCopy) {
.bufferOffset = 0,
.bufferRowLength = GST_VIDEO_INFO_COMP_WIDTH (&raw->in_info, i),
.bufferImageHeight = GST_VIDEO_INFO_COMP_HEIGHT (&raw->in_info, i),
.imageSubresource = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.baseArrayLayer = 0,
.layerCount = 1,
},
.imageOffset = { .x = 0, .y = 0, .z = 0, },
.imageExtent = {
.width = GST_VIDEO_INFO_COMP_WIDTH (&raw->out_info, i),
.height = GST_VIDEO_INFO_COMP_HEIGHT (&raw->out_info, i),
.depth = 1,
}
};
image_memory_barrier = (VkImageMemoryBarrier) {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = NULL,
.srcAccessMask = img_mem->barrier.parent.access_flags,
.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.oldLayout = img_mem->barrier.image_layout,
.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
/* FIXME: implement exclusive transfers */
.srcQueueFamilyIndex = 0,
.dstQueueFamilyIndex = 0,
.image = img_mem->image,
.subresourceRange = img_mem->barrier.subresource_range
};
buffer_memory_barrier = (VkBufferMemoryBarrier) {
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.pNext = NULL,
.srcAccessMask = buf_mem->barrier.parent.access_flags,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
/* FIXME: implement exclusive transfers */
.srcQueueFamilyIndex = 0,
.dstQueueFamilyIndex = 0,
.buffer = buf_mem->buffer,
.offset = region.bufferOffset,
.size = region.bufferRowLength * region.bufferImageHeight
};
/* *INDENT-ON* */
vkCmdPipelineBarrier (cmd,
buf_mem->barrier.parent.pipeline_stages | img_mem->barrier.
parent.pipeline_stages, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 1,
&buffer_memory_barrier, 1, &image_memory_barrier);
buf_mem->barrier.parent.pipeline_stages = VK_PIPELINE_STAGE_TRANSFER_BIT;
buf_mem->barrier.parent.access_flags = buffer_memory_barrier.dstAccessMask;
img_mem->barrier.parent.pipeline_stages = VK_PIPELINE_STAGE_TRANSFER_BIT;
img_mem->barrier.parent.access_flags = image_memory_barrier.dstAccessMask;
img_mem->barrier.image_layout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
vkCmdCopyBufferToImage (cmd, buf_mem->buffer, img_mem->image,
img_mem->barrier.image_layout, 1, &region);
}
err = vkEndCommandBuffer (cmd);
if (gst_vulkan_error_to_g_error (err, &error, "vkEndCommandBuffer") < 0)
return FALSE;
{
VkSubmitInfo submit_info = { 0, };
VkPipelineStageFlags stages = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
GstVulkanFence *fence;
/* *INDENT-OFF* */
submit_info = (VkSubmitInfo) {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = NULL,
.waitSemaphoreCount = 0,
.pWaitSemaphores = NULL,
.pWaitDstStageMask = &stages,
.commandBufferCount = 1,
.pCommandBuffers = &cmd,
.signalSemaphoreCount = 0,
.pSignalSemaphores = NULL
};
/* *INDENT-ON* */
fence = gst_vulkan_fence_new (raw->upload->device, 0, &error);
if (!fence)
goto error;
err =
vkQueueSubmit (raw->upload->queue->queue, 1, &submit_info,
GST_VULKAN_FENCE_FENCE (fence));
if (gst_vulkan_error_to_g_error (err, &error, "vkQueueSubmit") < 0)
goto error;
raw->trash_list = g_list_prepend (raw->trash_list,
gst_vulkan_trash_new_free_command_buffer (fence, raw->cmd_pool, cmd));
}
raw->trash_list = gst_vulkan_trash_list_gc (raw->trash_list);
ret = GST_FLOW_OK;
out:
return ret;
error:
if (error) {
GST_WARNING_OBJECT (raw->upload, "Error: %s", error->message);
g_clear_error (&error);
}
gst_buffer_unref (*outbuf);
*outbuf = NULL;
ret = GST_FLOW_ERROR;
goto out;
}
static void
_buffer_to_image_free (gpointer impl)
{
struct BufferToImageUpload *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;
}
if (raw->cmd_pool)
gst_object_unref (raw->cmd_pool);
raw->cmd_pool = NULL;
if (!gst_vulkan_trash_list_wait (raw->trash_list, -1))
GST_WARNING_OBJECT (raw->upload,
"Failed to wait for all fences to complete " "before shutting down");
raw->trash_list = NULL;
g_free (impl);
}
static GstStaticCaps _buffer_to_image_in_templ =
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER ")");
static GstStaticCaps _buffer_to_image_out_templ =
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_IMAGE ")");
static const struct UploadMethod buffer_to_image_upload = {
"BufferToVulkanImage",
&_buffer_to_image_in_templ,
&_buffer_to_image_out_templ,
_buffer_to_image_new_impl,
_buffer_to_image_transform_caps,
_buffer_to_image_set_caps,
_buffer_to_image_propose_allocation,
_buffer_to_image_perform,
_buffer_to_image_free,
};
struct RawToImageUpload
{
GstVulkanUpload *upload;
GstVideoInfo in_info;
GstVideoInfo out_info;
GstBufferPool *pool;
gboolean pool_active;
GstBufferPool *in_pool;
gboolean in_pool_active;
GstVulkanCommandPool *cmd_pool;
GList *trash_list;
};
static gpointer
_raw_to_image_new_impl (GstVulkanUpload * upload)
{
struct RawToImageUpload *raw = g_new0 (struct RawToImageUpload, 1);
raw->upload = upload;
return raw;
}
static GstCaps *
_raw_to_image_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_IMAGE, NULL);
} else {
ret =
_set_caps_features_with_passthrough (caps,
GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY, NULL);
}
return ret;
}
static gboolean
_raw_to_image_set_caps (gpointer impl, GstCaps * in_caps, GstCaps * out_caps)
{
struct RawToImageUpload *raw = impl;
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;
if (raw->in_pool) {
if (raw->in_pool_active) {
gst_buffer_pool_set_active (raw->in_pool, FALSE);
}
raw->in_pool_active = FALSE;
gst_object_unref (raw->in_pool);
raw->in_pool = NULL;
}
return TRUE;
}
static void
_raw_to_image_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_image_perform (gpointer impl, GstBuffer * inbuf, GstBuffer ** outbuf)
{
struct RawToImageUpload *raw = impl;
GstFlowReturn ret;
GstBuffer *in_vk_copy = NULL;
GError *error = NULL;
VkResult err;
VkCommandBuffer cmd;
guint i;
if (!raw->cmd_pool) {
if (!(raw->cmd_pool =
gst_vulkan_queue_create_command_pool (raw->upload->queue,
&error))) {
goto error;
}
}
if (!(cmd = gst_vulkan_command_pool_create (raw->cmd_pool, &error)))
goto error;
if (!raw->pool) {
GstStructure *config;
guint min = 0, max = 0;
gsize size = 1;
raw->pool = gst_vulkan_image_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;
{
/* *INDENT-OFF* */
VkCommandBufferBeginInfo cmd_buf_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.pNext = NULL,
.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT,
.pInheritanceInfo = NULL
};
/* *INDENT-ON* */
err = vkBeginCommandBuffer (cmd, &cmd_buf_info);
if (gst_vulkan_error_to_g_error (err, &error, "vkBeginCommandBuffer") < 0)
return FALSE;
}
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&raw->out_info); i++) {
VkBufferImageCopy region;
GstMemory *in_mem, *out_mem;
GstVulkanBufferMemory *buf_mem;
GstVulkanImageMemory *img_mem;
VkImageMemoryBarrier image_memory_barrier;
VkBufferMemoryBarrier buffer_memory_barrier;
in_mem = gst_buffer_peek_memory (inbuf, i);
if (gst_is_vulkan_buffer_memory (in_mem)) {
GST_TRACE_OBJECT (raw->upload, "Input is a GstVulkanBufferMemory");
buf_mem = (GstVulkanBufferMemory *) in_mem;
} else if (in_vk_copy) {
GST_TRACE_OBJECT (raw->upload,
"Have buffer copy of GstVulkanBufferMemory");
in_mem = gst_buffer_peek_memory (in_vk_copy, i);
g_assert (gst_is_vulkan_buffer_memory (in_mem));
buf_mem = (GstVulkanBufferMemory *) in_mem;
} else {
GstVideoFrame in_frame, out_frame;
GST_TRACE_OBJECT (raw->upload,
"Copying input to a new GstVulkanBufferMemory");
if (!raw->in_pool) {
GstStructure *config;
guint min = 0, max = 0;
gsize size = 1;
raw->in_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->in_caps, size,
min, max);
gst_buffer_pool_set_config (raw->in_pool, config);
}
if (!raw->in_pool_active) {
gst_buffer_pool_set_active (raw->in_pool, TRUE);
raw->in_pool_active = TRUE;
}
if ((ret =
gst_buffer_pool_acquire_buffer (raw->in_pool, &in_vk_copy,
NULL)) != GST_FLOW_OK) {
goto out;
}
if (!gst_video_frame_map (&in_frame, &raw->in_info, inbuf, GST_MAP_READ)) {
GST_WARNING_OBJECT (raw->upload, "Failed to map input buffer");
goto error;
}
if (!gst_video_frame_map (&out_frame, &raw->in_info, in_vk_copy,
GST_MAP_WRITE)) {
gst_video_frame_unmap (&in_frame);
GST_WARNING_OBJECT (raw->upload, "Failed to map input buffer");
goto error;
}
if (!gst_video_frame_copy (&out_frame, &in_frame)) {
gst_video_frame_unmap (&in_frame);
gst_video_frame_unmap (&out_frame);
GST_WARNING_OBJECT (raw->upload, "Failed to copy input buffer");
goto error;
}
gst_video_frame_unmap (&in_frame);
gst_video_frame_unmap (&out_frame);
in_mem = gst_buffer_peek_memory (in_vk_copy, i);
buf_mem = (GstVulkanBufferMemory *) in_mem;
}
out_mem = gst_buffer_peek_memory (*outbuf, i);
if (!gst_is_vulkan_image_memory (out_mem)) {
GST_WARNING_OBJECT (raw->upload, "Output is not a GstVulkanImageMemory");
goto error;
}
img_mem = (GstVulkanImageMemory *) out_mem;
/* *INDENT-OFF* */
region = (VkBufferImageCopy) {
.bufferOffset = 0,
.bufferRowLength = GST_VIDEO_INFO_COMP_WIDTH (&raw->in_info, i),
.bufferImageHeight = GST_VIDEO_INFO_COMP_HEIGHT (&raw->in_info, i),
.imageSubresource = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.baseArrayLayer = 0,
.layerCount = 1,
},
.imageOffset = { .x = 0, .y = 0, .z = 0, },
.imageExtent = {
.width = GST_VIDEO_INFO_COMP_WIDTH (&raw->out_info, i),
.height = GST_VIDEO_INFO_COMP_HEIGHT (&raw->out_info, i),
.depth = 1,
}
};
buffer_memory_barrier = (VkBufferMemoryBarrier) {
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.pNext = NULL,
.srcAccessMask = buf_mem->barrier.parent.access_flags,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
/* FIXME: implement exclusive transfers */
.srcQueueFamilyIndex = 0,
.dstQueueFamilyIndex = 0,
.buffer = buf_mem->buffer,
.offset = region.bufferOffset,
.size = region.bufferRowLength * region.bufferImageHeight,
};
image_memory_barrier = (VkImageMemoryBarrier) {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = NULL,
.srcAccessMask = img_mem->barrier.parent.access_flags,
.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.oldLayout = img_mem->barrier.image_layout,
.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
/* FIXME: implement exclusive transfers */
.srcQueueFamilyIndex = 0,
.dstQueueFamilyIndex = 0,
.image = img_mem->image,
.subresourceRange = img_mem->barrier.subresource_range,
};
/* *INDENT-ON* */
vkCmdPipelineBarrier (cmd,
buf_mem->barrier.parent.pipeline_stages | img_mem->barrier.
parent.pipeline_stages, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 1,
&buffer_memory_barrier, 1, &image_memory_barrier);
buf_mem->barrier.parent.pipeline_stages = VK_PIPELINE_STAGE_TRANSFER_BIT;
buf_mem->barrier.parent.access_flags = buffer_memory_barrier.dstAccessMask;
img_mem->barrier.parent.pipeline_stages = VK_PIPELINE_STAGE_TRANSFER_BIT;
img_mem->barrier.parent.access_flags = image_memory_barrier.dstAccessMask;
img_mem->barrier.image_layout = image_memory_barrier.newLayout;
vkCmdCopyBufferToImage (cmd, buf_mem->buffer, img_mem->image,
img_mem->barrier.image_layout, 1, &region);
}
err = vkEndCommandBuffer (cmd);
if (gst_vulkan_error_to_g_error (err, &error, "vkEndCommandBuffer") < 0) {
goto error;
}
{
VkSubmitInfo submit_info = { 0, };
GstVulkanFence *fence;
/* *INDENT-OFF* */
submit_info = (VkSubmitInfo) {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = NULL,
.waitSemaphoreCount = 0,
.pWaitSemaphores = NULL,
.pWaitDstStageMask = NULL,
.commandBufferCount = 1,
.pCommandBuffers = &cmd,
.signalSemaphoreCount = 0,
.pSignalSemaphores = NULL,
};
/* *INDENT-ON* */
fence = gst_vulkan_fence_new (raw->upload->device, 0, &error);
if (!fence)
goto error;
err =
vkQueueSubmit (raw->upload->queue->queue, 1, &submit_info,
GST_VULKAN_FENCE_FENCE (fence));
if (gst_vulkan_error_to_g_error (err, &error, "vkQueueSubmit") < 0)
goto error;
raw->trash_list = g_list_prepend (raw->trash_list,
gst_vulkan_trash_new_free_command_buffer (fence, raw->cmd_pool, cmd));
}
raw->trash_list = gst_vulkan_trash_list_gc (raw->trash_list);
ret = GST_FLOW_OK;
out:
if (in_vk_copy)
gst_buffer_unref (in_vk_copy);
return ret;
error:
if (error) {
GST_WARNING_OBJECT (raw->upload, "Error: %s", error->message);
g_clear_error (&error);
}
gst_buffer_unref (*outbuf);
*outbuf = NULL;
ret = GST_FLOW_ERROR;
goto out;
}
static void
_raw_to_image_free (gpointer impl)
{
struct RawToImageUpload *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;
}
if (raw->in_pool) {
if (raw->in_pool_active) {
gst_buffer_pool_set_active (raw->in_pool, FALSE);
}
raw->in_pool_active = FALSE;
gst_object_unref (raw->in_pool);
raw->in_pool = NULL;
}
if (raw->cmd_pool)
gst_object_unref (raw->cmd_pool);
raw->cmd_pool = NULL;
if (!gst_vulkan_trash_list_wait (raw->trash_list, -1))
GST_WARNING_OBJECT (raw->upload,
"Failed to wait for all fences to complete " "before shutting down");
raw->trash_list = NULL;
g_free (impl);
}
static GstStaticCaps _raw_to_image_in_templ = GST_STATIC_CAPS ("video/x-raw");
static GstStaticCaps _raw_to_image_out_templ =
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_VULKAN_IMAGE ")");
static const struct UploadMethod raw_to_image_upload = {
"RawToVulkanImage",
&_raw_to_image_in_templ,
&_raw_to_image_out_templ,
_raw_to_image_new_impl,
_raw_to_image_transform_caps,
_raw_to_image_set_caps,
_raw_to_image_propose_allocation,
_raw_to_image_perform,
_raw_to_image_free,
};
static const struct UploadMethod *upload_methods[] = {
&buffer_upload,
&raw_to_buffer_upload,
&raw_to_image_upload,
&buffer_to_image_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_free (vk_upload->upload_impls);
vk_upload->upload_impls = NULL;
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);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:{
if (gst_vulkan_handle_context_query (GST_ELEMENT (vk_upload), query,
NULL, &vk_upload->instance, &vk_upload->device))
return TRUE;
if (gst_vulkan_queue_handle_context_query (GST_ELEMENT (vk_upload), query,
&vk_upload->queue))
return TRUE;
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, NULL, &vk_upload->instance);
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
struct choose_data
{
GstVulkanUpload *upload;
GstVulkanQueue *queue;
};
static gboolean
_choose_queue (GstVulkanDevice * device, GstVulkanQueue * queue,
struct choose_data *data)
{
guint flags = device->queue_family_props[queue->family].queueFlags;
if ((flags & VK_QUEUE_GRAPHICS_BIT) != 0) {
if (data->queue)
gst_object_unref (data->queue);
data->queue = gst_object_ref (queue);
return FALSE;
}
return TRUE;
}
static GstVulkanQueue *
_find_graphics_queue (GstVulkanUpload * upload)
{
struct choose_data data;
data.upload = upload;
data.queue = NULL;
gst_vulkan_device_foreach_queue (upload->device,
(GstVulkanDeviceForEachQueueFunc) _choose_queue, &data);
return data.queue;
}
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, NULL, &vk_upload->instance)) {
GST_ELEMENT_ERROR (vk_upload, RESOURCE, NOT_FOUND,
("Failed to retreive vulkan instance"), (NULL));
return GST_STATE_CHANGE_FAILURE;
}
if (!gst_vulkan_device_run_context_query (GST_ELEMENT (vk_upload),
&vk_upload->device)) {
GError *error = NULL;
GST_DEBUG_OBJECT (vk_upload, "No device retrieved from peer elements");
if (!(vk_upload->device =
gst_vulkan_instance_create_device (vk_upload->instance,
&error))) {
GST_ELEMENT_ERROR (vk_upload, RESOURCE, NOT_FOUND,
("Failed to create vulkan device"), ("%s", error->message));
g_clear_error (&error);
return GST_STATE_CHANGE_FAILURE;
}
}
if (!gst_vulkan_queue_run_context_query (GST_ELEMENT (vk_upload),
&vk_upload->queue)) {
GST_DEBUG_OBJECT (vk_upload, "No queue retrieved from peer elements");
vk_upload->queue = _find_graphics_queue (vk_upload);
}
if (!vk_upload->queue) {
GST_ELEMENT_ERROR (vk_upload, RESOURCE, NOT_FOUND,
("Failed to create/retrieve vulkan queue"), (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->queue)
gst_object_unref (vk_upload->queue);
vk_upload->queue = 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;
}
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