mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 12:11:13 +00:00
c9aaf39279
Do not chain up to parent's GstBufferPool::start() which will do preallocation. We don't want it to be preallocated since there are various cases where negotiated downstream buffer pool is not used at all (e.g., zero-copy decoding, IPC elements). Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6326>
470 lines
13 KiB
C++
470 lines
13 KiB
C++
/* GStreamer
|
|
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
|
|
* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstd3d11bufferpool.h"
|
|
#include "gstd3d11memory.h"
|
|
#include "gstd3d11memory-private.h"
|
|
#include "gstd3d11device.h"
|
|
#include "gstd3d11utils.h"
|
|
#include "gstd3d11-private.h"
|
|
|
|
#include <string.h>
|
|
|
|
/**
|
|
* SECTION:gstd3d11bufferpool
|
|
* @title: GstD3D11BufferPool
|
|
* @short_description: buffer pool for GstD3D11Memory object
|
|
* @see_also: #GstBufferPool, #GstD3D11Memory
|
|
*
|
|
* This GstD3D11BufferPool is an object that allocates buffers
|
|
* with #GstD3D11Memory
|
|
*
|
|
* Since: 1.22
|
|
*/
|
|
|
|
GST_DEBUG_CATEGORY_STATIC (gst_d3d11_buffer_pool_debug);
|
|
#define GST_CAT_DEFAULT gst_d3d11_buffer_pool_debug
|
|
|
|
struct _GstD3D11BufferPoolPrivate
|
|
{
|
|
GstD3D11Allocator *alloc[GST_VIDEO_MAX_PLANES];
|
|
|
|
GstD3D11AllocationParams *d3d11_params;
|
|
|
|
gint stride[GST_VIDEO_MAX_PLANES];
|
|
gsize offset[GST_VIDEO_MAX_PLANES];
|
|
};
|
|
|
|
#define gst_d3d11_buffer_pool_parent_class parent_class
|
|
G_DEFINE_TYPE_WITH_PRIVATE (GstD3D11BufferPool,
|
|
gst_d3d11_buffer_pool, GST_TYPE_BUFFER_POOL);
|
|
|
|
static void gst_d3d11_buffer_pool_dispose (GObject * object);
|
|
static const gchar **gst_d3d11_buffer_pool_get_options (GstBufferPool * pool);
|
|
static gboolean gst_d3d11_buffer_pool_set_config (GstBufferPool * pool,
|
|
GstStructure * config);
|
|
static GstFlowReturn gst_d3d11_buffer_pool_alloc_buffer (GstBufferPool * pool,
|
|
GstBuffer ** buffer, GstBufferPoolAcquireParams * params);
|
|
static gboolean gst_d3d11_buffer_pool_start (GstBufferPool * pool);
|
|
static gboolean gst_d3d11_buffer_pool_stop (GstBufferPool * pool);
|
|
|
|
static void
|
|
gst_d3d11_buffer_pool_class_init (GstD3D11BufferPoolClass * klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
GstBufferPoolClass *bufferpool_class = GST_BUFFER_POOL_CLASS (klass);
|
|
|
|
gobject_class->dispose = gst_d3d11_buffer_pool_dispose;
|
|
|
|
bufferpool_class->get_options = gst_d3d11_buffer_pool_get_options;
|
|
bufferpool_class->set_config = gst_d3d11_buffer_pool_set_config;
|
|
bufferpool_class->alloc_buffer = gst_d3d11_buffer_pool_alloc_buffer;
|
|
bufferpool_class->start = gst_d3d11_buffer_pool_start;
|
|
bufferpool_class->stop = gst_d3d11_buffer_pool_stop;
|
|
|
|
GST_DEBUG_CATEGORY_INIT (gst_d3d11_buffer_pool_debug, "d3d11bufferpool", 0,
|
|
"d3d11bufferpool object");
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_buffer_pool_init (GstD3D11BufferPool * self)
|
|
{
|
|
self->priv = (GstD3D11BufferPoolPrivate *)
|
|
gst_d3d11_buffer_pool_get_instance_private (self);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_buffer_pool_clear_allocator (GstD3D11BufferPool * self)
|
|
{
|
|
GstD3D11BufferPoolPrivate *priv = self->priv;
|
|
guint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (priv->alloc); i++) {
|
|
if (priv->alloc[i]) {
|
|
gst_d3d11_allocator_set_active (priv->alloc[i], FALSE);
|
|
gst_clear_object (&priv->alloc[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_buffer_pool_dispose (GObject * object)
|
|
{
|
|
GstD3D11BufferPool *self = GST_D3D11_BUFFER_POOL (object);
|
|
GstD3D11BufferPoolPrivate *priv = self->priv;
|
|
|
|
g_clear_pointer (&priv->d3d11_params, gst_d3d11_allocation_params_free);
|
|
gst_clear_object (&self->device);
|
|
gst_d3d11_buffer_pool_clear_allocator (self);
|
|
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
}
|
|
|
|
static const gchar **
|
|
gst_d3d11_buffer_pool_get_options (GstBufferPool * pool)
|
|
{
|
|
/* NOTE: d3d11 memory does not support alignment */
|
|
static const gchar *options[] = { GST_BUFFER_POOL_OPTION_VIDEO_META, NULL };
|
|
|
|
return options;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
|
|
{
|
|
GstD3D11BufferPool *self = GST_D3D11_BUFFER_POOL (pool);
|
|
GstD3D11BufferPoolPrivate *priv = self->priv;
|
|
GstVideoInfo info;
|
|
GstCaps *caps = NULL;
|
|
guint min_buffers, max_buffers;
|
|
gboolean ret = TRUE;
|
|
D3D11_TEXTURE2D_DESC desc[GST_VIDEO_MAX_PLANES];
|
|
const GstD3D11Format *format;
|
|
GstD3D11AllocationParams *params;
|
|
gsize offset = 0;
|
|
|
|
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, &min_buffers,
|
|
&max_buffers))
|
|
goto wrong_config;
|
|
|
|
if (caps == NULL)
|
|
goto no_caps;
|
|
|
|
/* now parse the caps from the config */
|
|
if (!gst_video_info_from_caps (&info, caps))
|
|
goto wrong_caps;
|
|
|
|
GST_LOG_OBJECT (pool, "%dx%d, caps %" GST_PTR_FORMAT, info.width, info.height,
|
|
caps);
|
|
|
|
gst_d3d11_buffer_pool_clear_allocator (self);
|
|
|
|
memset (priv->stride, 0, sizeof (priv->stride));
|
|
memset (priv->offset, 0, sizeof (priv->offset));
|
|
|
|
if (priv->d3d11_params)
|
|
gst_d3d11_allocation_params_free (priv->d3d11_params);
|
|
priv->d3d11_params =
|
|
gst_buffer_pool_config_get_d3d11_allocation_params (config);
|
|
if (!priv->d3d11_params) {
|
|
/* allocate memory with resource format by default */
|
|
priv->d3d11_params =
|
|
gst_d3d11_allocation_params_new (self->device,
|
|
&info, GST_D3D11_ALLOCATION_FLAG_DEFAULT, 0, 0);
|
|
}
|
|
|
|
params = priv->d3d11_params;
|
|
memset (desc, 0, sizeof (desc));
|
|
if (params->d3d11_format.dxgi_format != DXGI_FORMAT_UNKNOWN) {
|
|
desc[0].Width = GST_VIDEO_INFO_WIDTH (¶ms->aligned_info);
|
|
desc[0].Height = GST_VIDEO_INFO_HEIGHT (¶ms->aligned_info);
|
|
desc[0].Format = params->d3d11_format.dxgi_format;
|
|
desc[0].MipLevels = 1;
|
|
desc[0].ArraySize = params->array_size;
|
|
desc[0].SampleDesc.Count = params->sample_count;
|
|
desc[0].SampleDesc.Quality = params->sample_quality;
|
|
desc[0].BindFlags = params->bind_flags;
|
|
desc[0].MiscFlags = params->misc_flags;
|
|
|
|
switch (params->d3d11_format.dxgi_format) {
|
|
case DXGI_FORMAT_NV12:
|
|
case DXGI_FORMAT_P010:
|
|
case DXGI_FORMAT_P016:
|
|
desc[0].Width = GST_ROUND_UP_2 (desc[0].Width);
|
|
desc[0].Height = GST_ROUND_UP_2 (desc[0].Height);
|
|
break;
|
|
case DXGI_FORMAT_Y210:
|
|
case DXGI_FORMAT_Y216:
|
|
desc[0].Width = GST_ROUND_UP_2 (desc[0].Width);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else {
|
|
for (guint i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (params->d3d11_format.resource_format[i] == DXGI_FORMAT_UNKNOWN)
|
|
break;
|
|
|
|
desc[i].Width = GST_VIDEO_INFO_COMP_WIDTH (¶ms->aligned_info, i);
|
|
desc[i].Height = GST_VIDEO_INFO_COMP_HEIGHT (¶ms->aligned_info, i);
|
|
desc[i].Format = params->d3d11_format.resource_format[i];
|
|
desc[i].MipLevels = 1;
|
|
desc[i].ArraySize = params->array_size;
|
|
desc[i].SampleDesc.Count = params->sample_count;
|
|
desc[i].SampleDesc.Quality = params->sample_quality;
|
|
desc[i].BindFlags = params->bind_flags;
|
|
desc[i].MiscFlags = params->misc_flags;
|
|
}
|
|
}
|
|
|
|
if (params->array_size > 1)
|
|
max_buffers = params->array_size;
|
|
|
|
offset = 0;
|
|
for (guint i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
GstD3D11Allocator *alloc;
|
|
GstD3D11PoolAllocator *pool_alloc;
|
|
GstFlowReturn flow_ret;
|
|
GstMemory *mem = NULL;
|
|
guint stride = 0;
|
|
|
|
if (desc[i].Format == DXGI_FORMAT_UNKNOWN)
|
|
break;
|
|
|
|
alloc =
|
|
(GstD3D11Allocator *) gst_d3d11_pool_allocator_new (self->device,
|
|
&desc[i]);
|
|
if (!gst_d3d11_allocator_set_active (alloc, TRUE)) {
|
|
GST_ERROR_OBJECT (self, "Failed to activate allocator");
|
|
gst_object_unref (alloc);
|
|
return FALSE;
|
|
}
|
|
|
|
pool_alloc = GST_D3D11_POOL_ALLOCATOR (alloc);
|
|
flow_ret = gst_d3d11_pool_allocator_acquire_memory (pool_alloc, &mem);
|
|
gst_d3d11_allocator_set_active (alloc, FALSE);
|
|
if (flow_ret != GST_FLOW_OK) {
|
|
GST_ERROR_OBJECT (self, "Failed to allocate initial memory");
|
|
gst_object_unref (alloc);
|
|
return FALSE;
|
|
}
|
|
|
|
if (!gst_d3d11_memory_get_resource_stride (GST_D3D11_MEMORY_CAST (mem),
|
|
&stride) || stride < desc[i].Width) {
|
|
GST_ERROR_OBJECT (self, "Failed to calculate stride");
|
|
|
|
gst_object_unref (alloc);
|
|
gst_memory_unref (mem);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
priv->stride[i] = stride;
|
|
priv->offset[i] = offset;
|
|
offset += mem->size;
|
|
|
|
priv->alloc[i] = alloc;
|
|
|
|
gst_memory_unref (mem);
|
|
}
|
|
|
|
format = ¶ms->d3d11_format;
|
|
/* single texture semi-planar formats */
|
|
if (format->dxgi_format != DXGI_FORMAT_UNKNOWN &&
|
|
GST_VIDEO_INFO_N_PLANES (&info) == 2) {
|
|
priv->stride[1] = priv->stride[0];
|
|
priv->offset[1] = priv->stride[0] * desc[0].Height;
|
|
}
|
|
|
|
gst_buffer_pool_config_set_params (config,
|
|
caps, offset, min_buffers, max_buffers);
|
|
|
|
return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config) && ret;
|
|
|
|
/* ERRORS */
|
|
wrong_config:
|
|
{
|
|
GST_WARNING_OBJECT (pool, "invalid config");
|
|
return FALSE;
|
|
}
|
|
no_caps:
|
|
{
|
|
GST_WARNING_OBJECT (pool, "no caps in config");
|
|
return FALSE;
|
|
}
|
|
wrong_caps:
|
|
{
|
|
GST_WARNING_OBJECT (pool,
|
|
"failed getting geometry from caps %" GST_PTR_FORMAT, caps);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_buffer_pool_fill_buffer (GstD3D11BufferPool * self, GstBuffer * buf)
|
|
{
|
|
GstD3D11BufferPoolPrivate *priv = self->priv;
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
guint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (priv->alloc); i++) {
|
|
GstMemory *mem = NULL;
|
|
GstD3D11PoolAllocator *alloc = GST_D3D11_POOL_ALLOCATOR (priv->alloc[i]);
|
|
|
|
if (!alloc)
|
|
break;
|
|
|
|
ret = gst_d3d11_pool_allocator_acquire_memory (alloc, &mem);
|
|
if (ret != GST_FLOW_OK) {
|
|
GST_WARNING_OBJECT (self, "Failed to acquire memory, ret %s",
|
|
gst_flow_get_name (ret));
|
|
return ret;
|
|
}
|
|
|
|
gst_buffer_append_memory (buf, mem);
|
|
}
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_buffer_pool_alloc_buffer (GstBufferPool * pool, GstBuffer ** buffer,
|
|
GstBufferPoolAcquireParams * params)
|
|
{
|
|
GstD3D11BufferPool *self = GST_D3D11_BUFFER_POOL (pool);
|
|
GstD3D11BufferPoolPrivate *priv = self->priv;
|
|
GstD3D11AllocationParams *d3d11_params = priv->d3d11_params;
|
|
GstVideoInfo *info = &d3d11_params->info;
|
|
GstBuffer *buf;
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
buf = gst_buffer_new ();
|
|
ret = gst_d3d11_buffer_pool_fill_buffer (self, buf);
|
|
if (ret != GST_FLOW_OK) {
|
|
gst_buffer_unref (buf);
|
|
return ret;
|
|
}
|
|
|
|
gst_buffer_add_video_meta_full (buf, GST_VIDEO_FRAME_FLAG_NONE,
|
|
GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_WIDTH (info),
|
|
GST_VIDEO_INFO_HEIGHT (info), GST_VIDEO_INFO_N_PLANES (info),
|
|
priv->offset, priv->stride);
|
|
|
|
*buffer = buf;
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_buffer_pool_start (GstBufferPool * pool)
|
|
{
|
|
GstD3D11BufferPool *self = GST_D3D11_BUFFER_POOL (pool);
|
|
GstD3D11BufferPoolPrivate *priv = self->priv;
|
|
guint i;
|
|
|
|
GST_DEBUG_OBJECT (self, "Start");
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (priv->alloc); i++) {
|
|
GstD3D11Allocator *alloc = priv->alloc[i];
|
|
|
|
if (!alloc)
|
|
break;
|
|
|
|
if (!gst_d3d11_allocator_set_active (alloc, TRUE)) {
|
|
GST_ERROR_OBJECT (self, "Failed to activate allocator");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_buffer_pool_stop (GstBufferPool * pool)
|
|
{
|
|
GstD3D11BufferPool *self = GST_D3D11_BUFFER_POOL (pool);
|
|
GstD3D11BufferPoolPrivate *priv = self->priv;
|
|
guint i;
|
|
|
|
GST_DEBUG_OBJECT (self, "Stop");
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (priv->alloc); i++) {
|
|
GstD3D11Allocator *alloc = priv->alloc[i];
|
|
|
|
if (!alloc)
|
|
break;
|
|
|
|
if (!gst_d3d11_allocator_set_active (alloc, FALSE)) {
|
|
GST_ERROR_OBJECT (self, "Failed to deactivate allocator");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return GST_BUFFER_POOL_CLASS (parent_class)->stop (pool);
|
|
}
|
|
|
|
/**
|
|
* gst_d3d11_buffer_pool_new:
|
|
* @device: a #GstD3D11Device to use
|
|
*
|
|
* Returns: a #GstBufferPool that allocates buffers with #GstD3D11Memory
|
|
*
|
|
* Since: 1.22
|
|
*/
|
|
GstBufferPool *
|
|
gst_d3d11_buffer_pool_new (GstD3D11Device * device)
|
|
{
|
|
GstD3D11BufferPool *pool;
|
|
|
|
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
|
|
|
|
pool = (GstD3D11BufferPool *) g_object_new (GST_TYPE_D3D11_BUFFER_POOL, NULL);
|
|
gst_object_ref_sink (pool);
|
|
|
|
pool->device = (GstD3D11Device *) gst_object_ref (device);
|
|
|
|
return GST_BUFFER_POOL_CAST (pool);
|
|
}
|
|
|
|
/**
|
|
* gst_buffer_pool_config_get_d3d11_allocation_params:
|
|
* @config: a buffer pool config
|
|
*
|
|
* Returns: (transfer full) (nullable): the currently configured
|
|
* #GstD3D11AllocationParams on @config or %NULL if @config doesn't contain
|
|
* #GstD3D11AllocationParams
|
|
*
|
|
* Since: 1.22
|
|
*/
|
|
GstD3D11AllocationParams *
|
|
gst_buffer_pool_config_get_d3d11_allocation_params (GstStructure * config)
|
|
{
|
|
GstD3D11AllocationParams *ret;
|
|
|
|
if (!gst_structure_get (config, "d3d11-allocation-params",
|
|
GST_TYPE_D3D11_ALLOCATION_PARAMS, &ret, NULL))
|
|
ret = NULL;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_buffer_pool_config_set_d3d11_allocation_params:
|
|
* @config: a buffer pool config
|
|
* @params: (transfer none): a #GstD3D11AllocationParams
|
|
*
|
|
* Sets @params on @config
|
|
*
|
|
* Since: 1.22
|
|
*/
|
|
void
|
|
gst_buffer_pool_config_set_d3d11_allocation_params (GstStructure * config,
|
|
GstD3D11AllocationParams * params)
|
|
{
|
|
g_return_if_fail (config != NULL);
|
|
g_return_if_fail (params != NULL);
|
|
|
|
gst_structure_set (config, "d3d11-allocation-params",
|
|
GST_TYPE_D3D11_ALLOCATION_PARAMS, params, NULL);
|
|
}
|