-/* Wrap a CI (camera imaging) frame as a VA surface to share captured video between camear
- * and VA encode. With frame_id, VA driver need to call CI interfaces to get the information
- * of the frame, and to determine if the frame can be wrapped as a VA surface
- *
- * Application should make sure the frame is idle before the frame is passed into VA stack
- * and also a vaSyncSurface should be called before application tries to access the frame
- * from CI stack
- */
-VAStatus vaCreateSurfaceFromCIFrame (
- VADisplay dpy,
- unsigned long frame_id,
- VASurfaceID *surface /* out */
-)
-{
- VADriverContextP ctx;
- CHECK_DISPLAY(dpy);
- ctx = CTX(dpy);
-
- if (ctx->vtable.vaCreateSurfaceFromCIFrame)
- return ctx->vtable.vaCreateSurfaceFromCIFrame( ctx, frame_id, surface );
- else
- return VA_STATUS_ERROR_UNIMPLEMENTED;
-}
-
-
-/* Wrap a V4L2 buffer as a VA surface, so that V4L2 camera, VA encode
- * can share the data without copy
- * The VA driver should query the camera device from v4l2_fd to see
- * if camera device memory/buffer can be wrapped into a VA surface
- * Buffer information is passed in by v4l2_fmt and v4l2_buf structure,
- * VA driver also needs do further check if the buffer can meet encode
- * hardware requirement, such as dimension, fourcc, stride, etc
- *
- * Application should make sure the buffer is idle before the frame into VA stack
- * and also a vaSyncSurface should be called before application tries to access the frame
- * from V4L2 stack
- */
-VAStatus vaCreateSurfaceFromV4L2Buf(
- VADisplay dpy,
- int v4l2_fd, /* file descriptor of V4L2 device */
- struct v4l2_format *v4l2_fmt, /* format of V4L2 */
- struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */
- VASurfaceID *surface /* out */
-)
-{
- VADriverContextP ctx;
- CHECK_DISPLAY(dpy);
- ctx = CTX(dpy);
-
- if (ctx->vtable.vaCreateSurfaceFromV4L2Buf)
- return ctx->vtable.vaCreateSurfaceFromV4L2Buf( ctx, v4l2_fd, v4l2_fmt, v4l2_buf, surface );
- else
- return VA_STATUS_ERROR_UNKNOWN;