gboolean _gst_vaapi_surface_associate_subpicture( GstVaapiSurface *surface, GstVaapiSubpicture *subpicture, const GstVaapiRectangle *src_rect, const GstVaapiRectangle *dst_rect ) { GstVaapiDisplay *display; GstVaapiRectangle src_rect_default, dst_rect_default; GstVaapiImage *image; VASurfaceID surface_id; VAStatus status; display = GST_VAAPI_OBJECT_DISPLAY(surface); if (!display) return FALSE; surface_id = GST_VAAPI_OBJECT_ID(surface); if (surface_id == VA_INVALID_SURFACE) return FALSE; if (!src_rect) { image = gst_vaapi_subpicture_get_image(subpicture); if (!image) return FALSE; src_rect = &src_rect_default; src_rect_default.x = 0; src_rect_default.y = 0; gst_vaapi_image_get_size( image, &src_rect_default.width, &src_rect_default.height ); } if (!dst_rect) { dst_rect = &dst_rect_default; dst_rect_default.x = 0; dst_rect_default.y = 0; dst_rect_default.width = surface->priv->width; dst_rect_default.height = surface->priv->height; } GST_VAAPI_DISPLAY_LOCK(display); status = vaAssociateSubpicture( GST_VAAPI_DISPLAY_VADISPLAY(display), GST_VAAPI_OBJECT_ID(subpicture), &surface_id, 1, src_rect->x, src_rect->y, src_rect->width, src_rect->height, dst_rect->x, dst_rect->y, dst_rect->width, dst_rect->height, 0 ); GST_VAAPI_DISPLAY_UNLOCK(display); if (!vaapi_check_status(status, "vaAssociateSubpicture()")) return FALSE; return TRUE; }
/** * gst_vaapi_surface_put_image: * @surface: a #GstVaapiSurface * @image: a #GstVaapiImage * * Copies data from a #GstVaapiImage into a @surface. The @image must * have a format supported by the @surface. * * Return value: %TRUE on success */ gboolean gst_vaapi_surface_put_image(GstVaapiSurface *surface, GstVaapiImage *image) { GstVaapiDisplay *display; VAImageID image_id; VAStatus status; guint width, height; g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), FALSE); g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE); display = GST_VAAPI_OBJECT_DISPLAY(surface); if (!display) return FALSE; gst_vaapi_image_get_size(image, &width, &height); if (width != surface->priv->width || height != surface->priv->height) return FALSE; image_id = GST_VAAPI_OBJECT_ID(image); if (image_id == VA_INVALID_ID) return FALSE; GST_VAAPI_DISPLAY_LOCK(display); status = vaPutImage( GST_VAAPI_DISPLAY_VADISPLAY(display), GST_VAAPI_OBJECT_ID(surface), image_id, 0, 0, width, height, 0, 0, width, height ); GST_VAAPI_DISPLAY_UNLOCK(display); if (!vaapi_check_status(status, "vaPutImage()")) return FALSE; return TRUE; }
static gboolean gst_video_info_update_from_image (GstVideoInfo * vip, GstVaapiImage * image) { GstVideoFormat format; const guchar *data; guint i, num_planes, data_size, width, height; /* Reset format from image */ format = gst_vaapi_image_get_format (image); gst_vaapi_image_get_size (image, &width, &height); gst_video_info_set_format (vip, format, width, height); num_planes = gst_vaapi_image_get_plane_count (image); g_return_val_if_fail (num_planes == GST_VIDEO_INFO_N_PLANES (vip), FALSE); /* Determine the base data pointer */ data = get_image_data (image); g_return_val_if_fail (data != NULL, FALSE); data_size = gst_vaapi_image_get_data_size (image); /* Check that we don't have disjoint planes */ for (i = 0; i < num_planes; i++) { const guchar *const plane = gst_vaapi_image_get_plane (image, i); if (plane - data > data_size) return FALSE; } /* Update GstVideoInfo structure */ for (i = 0; i < num_planes; i++) { const guchar *const plane = gst_vaapi_image_get_plane (image, i); GST_VIDEO_INFO_PLANE_OFFSET (vip, i) = plane - data; GST_VIDEO_INFO_PLANE_STRIDE (vip, i) = gst_vaapi_image_get_pitch (image, i); } GST_VIDEO_INFO_SIZE (vip) = data_size; return TRUE; }