1 files changed, 110 insertions, 0 deletions
diff --git a/gst/dvdspu/gstspu-vobsub.h b/gst/dvdspu/gstspu-vobsub.h
new file mode 100644
index 00000000..9b4196bc
--- /dev/null
+++ b/gst/dvdspu/gstspu-vobsub.h
@@ -0,0 +1,110 @@
+/* GStreamer Sub-Picture Unit - VobSub/DVD handling
+ * Copyright (C) 2009 Jan Schmidt <thaytan@noraisin.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GSTSPU_VOBSUB_H__
+#define __GSTSPU_VOBSUB_H__
+
+#include "gstspu-common.h"
+
+typedef struct SpuVobsubState SpuVobsubState;
+typedef struct SpuVobsubPixCtrlI SpuVobsubPixCtrlI;
+typedef struct SpuVobsubLineCtrlI SpuVobsubLineCtrlI;
+
+/* Pixel Control Info from a Change Color Contrast command */
+struct SpuVobsubPixCtrlI {
+  gint16 left;
+  guint32 palette;
+
+  /* Pre-multiplied palette values, updated as
+   * needed */
+  SpuColour pal_cache[4];
+};
+
+struct SpuVobsubLineCtrlI {
+  guint8 n_changes; /* 1 to 8 */
+  SpuVobsubPixCtrlI pix_ctrl_i[8];
+
+  gint16 top;
+  gint16 bottom;
+};
+
+struct SpuVobsubState {
+  GstClockTime base_ts; /* base TS for cmd blk delays in running time */
+  GstBuffer *buf; /* Current SPU packet we're executing commands from */
+  guint16 cur_cmd_blk; /* Offset into the buf for the current cmd block */
+
+  /* Top + Bottom field offsets in the buffer. 0 = not set */
+  guint16 pix_data[2]; 
+  GstBuffer *pix_buf; /* Current SPU packet the pix_data references */
+  
+  SpuRect disp_rect;
+  SpuRect clip_rect;
+  SpuRect hl_rect;
+
+  guint32 current_clut[16]; /* Colour lookup table from incoming events */
+
+  guint8 main_idx[4]; /* Indices for current main palette */
+  guint8 main_alpha[4]; /* Alpha values for main palette */
+
+  guint8 hl_idx[4]; /* Indices for current highlight palette */
+  guint8 hl_alpha[4]; /* Alpha values for highlight palette */
+
+  /* Pre-multiplied colour palette for the main palette */
+  SpuColour main_pal[4];
+  gboolean main_pal_dirty;
+
+  /* Line control info for rendering the highlight palette */
+  SpuVobsubLineCtrlI hl_ctrl_i;
+  gboolean hl_pal_dirty; /* Indicates that the HL palette info needs refreshing */
+
+  /* LineCtrlI Info from a Change Color & Contrast command */
+  SpuVobsubLineCtrlI *line_ctrl_i;
+  gint16 n_line_ctrl_i;
+  gboolean line_ctrl_i_pal_dirty; /* Indicates that the palettes for the line_ctrl_i
+                                   * need recalculating */
+
+  /* Rendering state vars below */
+  gint16 comp_last_x[2]; /* Maximum X values we rendered into the comp buffer (odd & even) */
+  gint16 *comp_last_x_ptr; /* Ptr to the current comp_last_x value to be updated by the render */
+
+  /* Current Y Position */
+  gint16 cur_Y;
+
+  /* Current offset in nibbles into the pix_data */
+  guint16 cur_offsets[2];
+  guint16 max_offset;
+
+  /* current ChgColCon Line Info */
+  SpuVobsubLineCtrlI *cur_chg_col;
+  SpuVobsubLineCtrlI *cur_chg_col_end;
+
+  /* Output position tracking */
+  guint8  *out_Y;
+  guint32 *out_U;
+  guint32 *out_V;
+  guint32 *out_A;
+};
+
+void gstspu_vobsub_handle_new_buf (GstDVDSpu * dvdspu, GstClockTime event_ts, GstBuffer *buf);
+gboolean gstspu_vobsub_execute_event (GstDVDSpu *dvdspu);
+void gstspu_vobsub_render (GstDVDSpu *dvdspu, GstBuffer *buf);
+gboolean gstspu_vobsub_handle_dvd_event (GstDVDSpu *dvdspu, GstEvent *event);
+void gstspu_vobsub_flush (GstDVDSpu *dvdspu);
+
+#endif