static GstVaapiBufferProxy *
gst_vaapi_surface_get_drm_buf_handle (GstVaapiSurface * surface, guint type)
{
GstVaapiBufferProxy *proxy;
GstVaapiImage *image;
image = gst_vaapi_surface_derive_image (surface);
if (!image)
goto error_derive_image;
proxy =
gst_vaapi_buffer_proxy_new_from_object (GST_VAAPI_OBJECT (surface),
image->internal_image.buf, type, gst_vaapi_object_unref, image);
if (!proxy)
goto error_alloc_export_buffer;
return proxy;
/* ERRORS */
error_derive_image:
GST_ERROR ("failed to extract image handle from surface");
return NULL;
error_alloc_export_buffer:
GST_ERROR ("failed to allocate export buffer proxy");
gst_vaapi_object_unref (image);
return NULL;
}
static gboolean
ensure_image (GstVaapiVideoMemory * mem)
{
if (!mem->image && mem->use_direct_rendering) {
mem->image = gst_vaapi_surface_derive_image (mem->surface);
if (!mem->image) {
GST_WARNING ("failed to derive image, fallbacking to copy");
mem->use_direct_rendering = FALSE;
} else if (gst_vaapi_surface_get_format (mem->surface) !=
GST_VIDEO_INFO_FORMAT (mem->image_info)) {
gst_vaapi_object_replace (&mem->image, NULL);
mem->use_direct_rendering = FALSE;
}
}
if (!mem->image) {
GstVaapiVideoAllocator *const allocator =
GST_VAAPI_VIDEO_ALLOCATOR_CAST (GST_MEMORY_CAST (mem)->allocator);
mem->image = gst_vaapi_video_pool_get_object (allocator->image_pool);
if (!mem->image)
return FALSE;
}
gst_vaapi_video_meta_set_image (mem->meta, mem->image);
return TRUE;
}
static inline void
allocator_configure_surface_info (GstVaapiDisplay * display,
GstVaapiVideoAllocator * allocator)
{
const GstVideoInfo *vinfo;
GstVaapiSurface *surface = NULL;
GstVaapiImage *image = NULL;
gboolean updated;
GstVideoFormat fmt;
vinfo = &allocator->video_info;
fmt = gst_vaapi_video_format_get_best_native (GST_VIDEO_INFO_FORMAT (vinfo));
gst_video_info_set_format (&allocator->surface_info, fmt,
GST_VIDEO_INFO_WIDTH (vinfo), GST_VIDEO_INFO_HEIGHT (vinfo));
/* nothing to configure */
if (USE_NATIVE_FORMATS ||
GST_VIDEO_INFO_FORMAT (vinfo) == GST_VIDEO_FORMAT_ENCODED)
return;
surface = new_surface (display, vinfo);
if (!surface)
goto bail;
image = gst_vaapi_surface_derive_image (surface);
if (!image)
goto bail;
if (!gst_vaapi_image_map (image))
goto bail;
updated = gst_video_info_update_from_image (&allocator->surface_info, image);
allocator->has_direct_rendering = !USE_NATIVE_FORMATS && updated &&
(GST_VAAPI_IMAGE_FORMAT (image) == GST_VIDEO_INFO_FORMAT (vinfo));
GST_INFO ("has direct-rendering for %s surfaces: %s",
GST_VIDEO_INFO_FORMAT_STRING (&allocator->surface_info),
allocator->has_direct_rendering ? "yes" : "no");
gst_vaapi_image_unmap (image);
bail:
if (surface)
gst_vaapi_object_unref (surface);
if (image)
gst_vaapi_object_unref (image);
}
/**
* gst_vaapi_surface_get_format:
* @surface: a #GstVaapiSurface
*
* Returns the #GstVideoFormat the @surface was created with.
*
* Return value: the #GstVideoFormat, or %GST_VIDEO_FORMAT_ENCODED if
* the surface was not created with an explicit video format, or if
* the underlying video format could not be determined
*/
GstVideoFormat
gst_vaapi_surface_get_format (GstVaapiSurface * surface)
{
g_return_val_if_fail (surface != NULL, 0);
/* Try to determine the underlying VA surface format */
if (surface->format == GST_VIDEO_FORMAT_UNKNOWN) {
GstVaapiImage *const image = gst_vaapi_surface_derive_image (surface);
if (image) {
surface->format = GST_VAAPI_IMAGE_FORMAT (image);
gst_vaapi_object_unref (image);
}
if (surface->format == GST_VIDEO_FORMAT_UNKNOWN)
surface->format = GST_VIDEO_FORMAT_ENCODED;
}
return GST_VAAPI_SURFACE_FORMAT (surface);
}
GstAllocator *
gst_vaapi_dmabuf_allocator_new (GstVaapiDisplay * display,
const GstVideoInfo * vip, guint flags)
{
GstAllocator *allocator = NULL;
GstVaapiSurface *surface = NULL;
GstVaapiImage *image = NULL;
GstVideoInfo alloc_info;
g_return_val_if_fail (display != NULL, NULL);
g_return_val_if_fail (vip != NULL, NULL);
do {
surface = gst_vaapi_surface_new_full (display, vip, flags);
if (!surface)
break;
image = gst_vaapi_surface_derive_image (surface);
if (!image || !gst_vaapi_image_map (image))
break;
gst_video_info_set_format (&alloc_info, GST_VIDEO_INFO_FORMAT (vip),
GST_VIDEO_INFO_WIDTH (vip), GST_VIDEO_INFO_HEIGHT (vip));
gst_video_info_update_from_image (&alloc_info, image);
gst_vaapi_image_unmap (image);
allocator = gst_dmabuf_allocator_new ();
if (!allocator)
break;
gst_allocator_set_vaapi_video_info (allocator, &alloc_info, flags);
} while (0);
gst_vaapi_object_replace (&image, NULL);
gst_vaapi_object_replace (&surface, NULL);
return allocator;
}
