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va: allocator: Add a helper function to update the image info.

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1698>
This commit is contained in:
He Junyan 2020-10-20 14:09:35 +08:00 committed by GStreamer Merge Bot
parent 16ff523575
commit e577ca140f
1 changed files with 53 additions and 0 deletions
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53
sys/va/gstvaallocator.c
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@ -995,6 +995,59 @@ bail:
return TRUE;
}
static inline gboolean
_update_image_info (GstVaAllocator * va_allocator)
{
VASurfaceID surface;
VAImage image = {.image_id = VA_INVALID_ID, };
gboolean derived;
guint i;
/* Create a test surface first */
if (!_create_surfaces (va_allocator->display, va_allocator->rt_format,
va_allocator->fourcc, GST_VIDEO_INFO_WIDTH (&va_allocator->info),
GST_VIDEO_INFO_HEIGHT (&va_allocator->info), va_allocator->usage_hint,
NULL, &surface, 1)) {
GST_ERROR_OBJECT (va_allocator, "Failed to create a test surface");
return FALSE;
}
GST_DEBUG_OBJECT (va_allocator, "Created surface %#x [%dx%d]", surface,
GST_VIDEO_INFO_WIDTH (&va_allocator->info),
GST_VIDEO_INFO_HEIGHT (&va_allocator->info));
/* Try derived first, but different formats can never derive */
if (va_allocator->surface_format == va_allocator->img_format) {
derived = TRUE;
if (_get_derive_image (va_allocator->display, surface, &image))
goto update;
}
/* Then we try to create a image. */
derived = FALSE;
if (!_create_image (va_allocator->display, va_allocator->img_format,
GST_VIDEO_INFO_WIDTH (&va_allocator->info),
GST_VIDEO_INFO_HEIGHT (&va_allocator->info), &image)) {
_destroy_surfaces (va_allocator->display, &surface, 1);
return FALSE;
}
update:
va_allocator->use_derived = derived;
for (i = 0; i < image.num_planes; i++) {
GST_VIDEO_INFO_PLANE_OFFSET (&va_allocator->info, i) = image.offsets[i];
GST_VIDEO_INFO_PLANE_STRIDE (&va_allocator->info, i) = image.pitches[i];
}
GST_VIDEO_INFO_SIZE (&va_allocator->info) = image.data_size;
_destroy_image (va_allocator->display, image.image_id);
_destroy_surfaces (va_allocator->display, &surface, 1);
return TRUE;
}
static gpointer
_va_map_unlocked (GstVaMemory * mem, GstMapFlags flags)
{