mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-19 00:01:23 +00:00
24c3e0fcfa
According to the VA-API's description, they are MT-safe, we do not need to care about that in our middleware layer. The lock/unlock operations have overhead and make the performance lower. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1333>
155 lines
3.9 KiB
C
155 lines
3.9 KiB
C
/* GStreamer
|
|
* Copyright (C) 2021 Igalia, S.L.
|
|
* Author: Víctor Jáquez <vjaquez@igalia.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.
|
|
*/
|
|
|
|
#include "gstvasurfacecopy.h"
|
|
|
|
#include "gstvaallocator.h"
|
|
#include "gstvadisplay_priv.h"
|
|
#include "gstvafilter.h"
|
|
#include "vasurfaceimage.h"
|
|
|
|
#define GST_CAT_DEFAULT gst_va_memory_debug
|
|
GST_DEBUG_CATEGORY_EXTERN (gst_va_memory_debug);
|
|
|
|
struct _GstVaSurfaceCopy
|
|
{
|
|
GstVaDisplay *display;
|
|
|
|
GstVideoInfo info;
|
|
gboolean has_copy;
|
|
|
|
GRecMutex lock;
|
|
GstVaFilter *filter;
|
|
};
|
|
|
|
static gboolean
|
|
_has_copy (GstVaDisplay * display)
|
|
{
|
|
#if VA_CHECK_VERSION (1, 12, 0)
|
|
VADisplay dpy;
|
|
VADisplayAttribute attr = {
|
|
.type = VADisplayAttribCopy,
|
|
.flags = VA_DISPLAY_ATTRIB_GETTABLE,
|
|
};
|
|
VAStatus status;
|
|
|
|
dpy = gst_va_display_get_va_dpy (display);
|
|
|
|
status = vaGetDisplayAttributes (dpy, &attr, 1);
|
|
if (status != VA_STATUS_SUCCESS) {
|
|
GST_INFO ("vaGetDisplayAttribures: %s", vaErrorStr (status));
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
#else
|
|
return FALSE;
|
|
#endif
|
|
}
|
|
|
|
GstVaSurfaceCopy *
|
|
gst_va_surface_copy_new (GstVaDisplay * display, GstVideoInfo * vinfo)
|
|
{
|
|
GstVaSurfaceCopy *self;
|
|
|
|
g_return_val_if_fail (GST_IS_VA_DISPLAY (display), NULL);
|
|
g_return_val_if_fail (vinfo != NULL, NULL);
|
|
|
|
self = g_slice_new (GstVaSurfaceCopy);
|
|
self->display = gst_object_ref (display);
|
|
self->has_copy = _has_copy (display);
|
|
self->info = *vinfo;
|
|
self->filter = NULL;
|
|
g_rec_mutex_init (&self->lock);
|
|
|
|
if (gst_va_display_has_vpp (display)) {
|
|
self->filter = gst_va_filter_new (display);
|
|
if (!(gst_va_filter_open (self->filter)
|
|
&& gst_va_filter_set_video_info (self->filter, vinfo, vinfo)))
|
|
gst_clear_object (&self->filter);
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
void
|
|
gst_va_surface_copy_free (GstVaSurfaceCopy * self)
|
|
{
|
|
g_return_if_fail (self && GST_IS_VA_DISPLAY (self->display));
|
|
|
|
gst_clear_object (&self->display);
|
|
if (self->filter) {
|
|
gst_va_filter_close (self->filter);
|
|
gst_clear_object (&self->filter);
|
|
}
|
|
|
|
g_rec_mutex_clear (&self->lock);
|
|
|
|
g_slice_free (GstVaSurfaceCopy, self);
|
|
}
|
|
|
|
static gboolean
|
|
_vpp_copy_surface (GstVaSurfaceCopy * self, VASurfaceID dst, VASurfaceID src)
|
|
{
|
|
gboolean ret;
|
|
|
|
GstVaSample gst_src = {
|
|
.surface = src,
|
|
};
|
|
GstVaSample gst_dst = {
|
|
.surface = dst,
|
|
};
|
|
|
|
g_rec_mutex_lock (&self->lock);
|
|
ret = gst_va_filter_process (self->filter, &gst_src, &gst_dst);
|
|
g_rec_mutex_unlock (&self->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
gboolean
|
|
gst_va_surface_copy (GstVaSurfaceCopy * self, VASurfaceID dst, VASurfaceID src)
|
|
{
|
|
VAImage image = {.image_id = VA_INVALID_ID, };
|
|
gboolean ret;
|
|
|
|
g_return_val_if_fail (self && GST_IS_VA_DISPLAY (self->display), FALSE);
|
|
|
|
if (self->has_copy && va_copy_surface (self->display, dst, src)) {
|
|
GST_LOG ("GPU copy of %#x to %#x", src, dst);
|
|
return TRUE;
|
|
}
|
|
|
|
if (self->filter && _vpp_copy_surface (self, dst, src)) {
|
|
GST_LOG ("VPP copy of %#x to %#x", src, dst);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!va_ensure_image (self->display, src, &self->info, &image, FALSE))
|
|
return FALSE;
|
|
|
|
if ((ret = va_put_image (self->display, dst, &image)))
|
|
GST_LOG ("shallow copy of %#x to %#x", src, dst);
|
|
|
|
va_unmap_buffer (self->display, image.buf);
|
|
va_destroy_image (self->display, image.image_id);
|
|
|
|
return ret;
|
|
}
|