gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/va/vasurfaceimage.c

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/* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "vasurfaceimage.h"
#include "gstvavideoformat.h"
#include <va/va.h>
/* XXX: find a better log category */
#define GST_CAT_DEFAULT gst_va_display_debug
GST_DEBUG_CATEGORY_EXTERN (gst_va_display_debug);
gboolean
va_destroy_surfaces (GstVaDisplay * display, VASurfaceID * surfaces,
gint num_surfaces)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
g_return_val_if_fail (num_surfaces > 0, FALSE);
status = vaDestroySurfaces (dpy, surfaces, num_surfaces);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR ("vaDestroySurfaces: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_create_surfaces (GstVaDisplay * display, guint rt_format, guint fourcc,
guint width, guint height, gint usage_hint, guint64 * modifiers,
guint num_modifiers, VASurfaceAttribExternalBuffers * ext_buf,
VASurfaceID * surfaces, guint num_surfaces)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
/* *INDENT-OFF* */
VASurfaceAttrib attrs[6] = {
{
.type = VASurfaceAttribUsageHint,
.flags = VA_SURFACE_ATTRIB_SETTABLE,
.value.type = VAGenericValueTypeInteger,
.value.value.i = usage_hint,
},
{
.type = VASurfaceAttribMemoryType,
.flags = VA_SURFACE_ATTRIB_SETTABLE,
.value.type = VAGenericValueTypeInteger,
.value.value.i = (ext_buf && ext_buf->num_buffers > 0)
? VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME
: VA_SURFACE_ATTRIB_MEM_TYPE_VA,
},
};
VADRMFormatModifierList modifier_list = {
.num_modifiers = num_modifiers,
.modifiers = modifiers,
};
/* *INDENT-ON* */
VAStatus status;
guint num_attrs = 2;
g_return_val_if_fail (num_surfaces > 0, FALSE);
/* must have modifiers when num_modifiers > 0 */
g_return_val_if_fail (num_modifiers == 0 || modifiers, FALSE);
if (fourcc > 0) {
/* *INDENT-OFF* */
attrs[num_attrs++] = (VASurfaceAttrib) {
.type = VASurfaceAttribPixelFormat,
.flags = VA_SURFACE_ATTRIB_SETTABLE,
.value.type = VAGenericValueTypeInteger,
.value.value.i = fourcc,
};
/* *INDENT-ON* */
}
if (ext_buf) {
/* *INDENT-OFF* */
attrs[num_attrs++] = (VASurfaceAttrib) {
.type = VASurfaceAttribExternalBufferDescriptor,
.flags = VA_SURFACE_ATTRIB_SETTABLE,
.value.type = VAGenericValueTypePointer,
.value.value.p = ext_buf,
};
/* *INDENT-ON* */
}
if (num_modifiers > 0 && modifiers) {
/* *INDENT-OFF* */
attrs[num_attrs++] = (VASurfaceAttrib) {
.type = VASurfaceAttribDRMFormatModifiers,
.flags = VA_SURFACE_ATTRIB_SETTABLE,
.value.type = VAGenericValueTypePointer,
.value.value.p = &modifier_list,
};
/* *INDENT-ON* */
}
retry:
status = vaCreateSurfaces (dpy, rt_format, width, height, surfaces,
num_surfaces, attrs, num_attrs);
if (status == VA_STATUS_ERROR_ATTR_NOT_SUPPORTED
&& attrs[num_attrs - 1].type == VASurfaceAttribDRMFormatModifiers) {
int i;
/* if requested modifiers contain linear, let's remove the attribute and
* "hope" the driver will create linear dmabufs */
for (i = 0; i < num_modifiers; ++i) {
if (modifiers[i] == DRM_FORMAT_MOD_LINEAR) {
num_attrs--;
goto retry;
}
}
}
if (status != VA_STATUS_SUCCESS) {
GST_ERROR ("vaCreateSurfaces: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_export_surface_to_dmabuf (GstVaDisplay * display, VASurfaceID surface,
guint32 flags, VADRMPRIMESurfaceDescriptor * desc)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
status = vaExportSurfaceHandle (dpy, surface,
VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2, flags, desc);
if (status != VA_STATUS_SUCCESS) {
GST_INFO ("vaExportSurfaceHandle: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_destroy_image (GstVaDisplay * display, VAImageID image_id)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
status = vaDestroyImage (dpy, image_id);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR ("vaDestroyImage: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_get_derive_image (GstVaDisplay * display, VASurfaceID surface,
VAImage * image)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
status = vaDeriveImage (dpy, surface, image);
if (status != VA_STATUS_SUCCESS) {
GST_WARNING ("vaDeriveImage: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_create_image (GstVaDisplay * display, GstVideoFormat format, gint width,
gint height, VAImage * image)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
const VAImageFormat *va_format;
VAStatus status;
va_format = gst_va_image_format_from_video_format (format);
if (!va_format)
return FALSE;
status =
vaCreateImage (dpy, (VAImageFormat *) va_format, width, height, image);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR ("vaCreateImage: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_get_image (GstVaDisplay * display, VASurfaceID surface, VAImage * image)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
status = vaGetImage (dpy, surface, 0, 0, image->width, image->height,
image->image_id);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR ("vaGetImage: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_sync_surface (GstVaDisplay * display, VASurfaceID surface)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
status = vaSyncSurface (dpy, surface);
if (status != VA_STATUS_SUCCESS) {
GST_WARNING ("vaSyncSurface: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_map_buffer (GstVaDisplay * display, VABufferID buffer, GstMapFlags flags,
gpointer * data)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
#if VA_CHECK_VERSION(1, 21, 0)
uint32_t vaflags = 0;
if (flags & GST_MAP_READ)
vaflags |= VA_MAPBUFFER_FLAG_READ;
if (flags & GST_MAP_WRITE)
vaflags |= VA_MAPBUFFER_FLAG_WRITE;
status = vaMapBuffer2 (dpy, buffer, data, vaflags);
#else
status = vaMapBuffer (dpy, buffer, data);
#endif
if (status != VA_STATUS_SUCCESS) {
GST_WARNING ("vaMapBuffer: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_unmap_buffer (GstVaDisplay * display, VABufferID buffer)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
status = vaUnmapBuffer (dpy, buffer);
if (status != VA_STATUS_SUCCESS) {
GST_WARNING ("vaUnmapBuffer: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_put_image (GstVaDisplay * display, VASurfaceID surface, VAImage * image)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
if (!va_sync_surface (display, surface))
return FALSE;
status = vaPutImage (dpy, surface, image->image_id, 0, 0, image->width,
image->height, 0, 0, image->width, image->height);
if (status != VA_STATUS_SUCCESS) {
GST_ERROR ("vaPutImage: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
gboolean
va_ensure_image (GstVaDisplay * display, VASurfaceID surface,
GstVideoInfo * info, VAImage * image, gboolean derived)
{
gboolean ret = TRUE;
if (image->image_id != VA_INVALID_ID)
return TRUE;
if (!va_sync_surface (display, surface))
return FALSE;
if (derived) {
ret = va_get_derive_image (display, surface, image);
} else {
ret = va_create_image (display, GST_VIDEO_INFO_FORMAT (info),
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info), image);
}
return ret;
}
gboolean
va_check_surface (GstVaDisplay * display, VASurfaceID surface)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
VAStatus status;
VASurfaceStatus state;
status = vaQuerySurfaceStatus (dpy, surface, &state);
if (status != VA_STATUS_SUCCESS)
GST_ERROR ("vaQuerySurfaceStatus: %s", vaErrorStr (status));
GST_LOG ("surface %#x status %d", surface, state);
return (status == VA_STATUS_SUCCESS);
}
gboolean
va_copy_surface (GstVaDisplay * display, VASurfaceID dst, VASurfaceID src)
{
VADisplay dpy = gst_va_display_get_va_dpy (display);
/* *INDENT-OFF* */
VACopyObject obj_src = {
.obj_type = VACopyObjectSurface,
.object = {
.surface_id = src,
},
};
VACopyObject obj_dst = {
.obj_type = VACopyObjectSurface,
.object = {
.surface_id = dst,
},
};
VACopyOption option = {
.bits = {
.va_copy_sync = VA_EXEC_SYNC,
.va_copy_mode = VA_EXEC_MODE_DEFAULT,
},
};
/* *INDENT-ON* */
VAStatus status;
status = vaCopy (dpy, &obj_dst, &obj_src, option);
if (status != VA_STATUS_SUCCESS) {
GST_INFO ("vaCopy: %s", vaErrorStr (status));
return FALSE;
}
return TRUE;
}
guint
va_get_surface_usage_hint (GstVaDisplay * display, VAEntrypoint entrypoint,
GstPadDirection dir, gboolean is_dma)
{
switch (entrypoint) {
case VAEntrypointVideoProc:{
/* For DMA kind caps, we use VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ |
VA_SURFACE_ATTRIB_USAGE_HINT_VPP_WRITE to detect the modifiers.
And in runtime, we should use the same flags in order to keep
the same modifiers. */
if (is_dma)
return VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ |
VA_SURFACE_ATTRIB_USAGE_HINT_VPP_WRITE;
if (dir == GST_PAD_SINK)
return VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ;
else if (dir == GST_PAD_SRC)
return VA_SURFACE_ATTRIB_USAGE_HINT_VPP_WRITE;
break;
}
case VAEntrypointVLD:
return VA_SURFACE_ATTRIB_USAGE_HINT_DECODER;
case VAEntrypointEncSlice:
case VAEntrypointEncSliceLP:
case VAEntrypointEncPicture:
return VA_SURFACE_ATTRIB_USAGE_HINT_ENCODER;
default:
break;
}
return VA_SURFACE_ATTRIB_USAGE_HINT_GENERIC;
}