1 /* GStreamer DVD Sub-Picture Unit 2 * Copyright (C) 2007 Fluendo S.A. <info@fluendo.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 #ifndef __GSTSPU_COMMON_H__ 20 #define __GSTSPU_COMMON_H__ 21 22 #include <glib.h> 23 #include <gst/video/video.h> 24 25 G_BEGIN_DECLS 26 27 /* FIXME: Move this back to gstdvdspu.h when the renderers no longer use it: */ 28 typedef struct _GstDVDSpu GstDVDSpu; 29 30 typedef struct SpuState SpuState; 31 typedef struct SpuColour SpuColour; 32 typedef struct SpuRect SpuRect; 33 34 /* Describe the limits of a rectangle */ 35 struct SpuRect { 36 gint16 left; 37 gint16 top; 38 gint16 right; 39 gint16 bottom; 40 }; 41 42 /* Store a pre-multiplied colour value. The YUV fields hold the YUV values 43 * multiplied by the 8-bit alpha, to save computing it while rendering */ 44 struct SpuColour { 45 guint16 Y; 46 guint16 U; 47 guint16 V; 48 guint8 A; 49 }; 50 51 void gstspu_clear_comp_buffers (SpuState * state); 52 void gstspu_blend_comp_buffers (SpuState * state, guint8 * planes[3]); 53 54 55 G_END_DECLS 56 57 #endif /* __GSTSPU_COMMON_H__ */ 58