1 files changed, 80 insertions, 0 deletions
diff --git a/src/spu_dec/cc_decoder.h b/src/spu_dec/cc_decoder.h
new file mode 100644
index 000000000..58bd5aa9a
--- /dev/null
+++ b/src/spu_dec/cc_decoder.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2000-2008 the xine project
+ *
+ * Copyright (C) Christian Vogler
+ *               cvogler@gradient.cis.upenn.edu - December 2001
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * stuff needed to provide closed captioning decoding and display
+ *
+ * Some small bits and pieces of the EIA-608 captioning decoder were
+ * adapted from CCDecoder 0.9.1 by Mike Baker. The latest version is
+ * available at http://sourceforge.net/projects/ccdecoder/.
+ */
+
+typedef struct cc_decoder_s cc_decoder_t;
+typedef struct cc_renderer_s cc_renderer_t;
+
+#define NUM_CC_PALETTES 2
+#define CC_FONT_MAX 256
+
+typedef struct cc_config_s {
+  int cc_enabled;             /* true if closed captions are enabled */
+  char font[CC_FONT_MAX];     /* standard captioning font & size */
+  int font_size;
+  char italic_font[CC_FONT_MAX];   /* italic captioning font & size */
+  int center;                 /* true if captions should be centered */
+                              /* according to text width */
+  int cc_scheme;              /* which captioning scheme to use */
+
+  int config_version;         /* the decoder should be updated when this is increased */
+} cc_config_t;
+
+typedef struct spucc_class_s {
+  spu_decoder_class_t spu_class;
+  cc_config_t         cc_cfg;
+} spucc_class_t;
+
+typedef struct cc_state_s {
+  cc_config_t *cc_cfg;
+  /* the following variables are not controlled by configuration files; they */
+  /* are intrinsic to the properties of the configuration options and the */
+  /* currently played video */
+  int            can_cc;      /* true if captions can be displayed */
+                              /* (e.g., font fits on screen) */
+  cc_renderer_t *renderer;    /* closed captioning renderer */
+} cc_state_t;
+
+cc_decoder_t *cc_decoder_open(cc_state_t *cc_state);
+void cc_decoder_close(cc_decoder_t *this_obj);
+
+void decode_cc(cc_decoder_t *this, uint8_t *buffer, uint32_t buf_len,
+	       int64_t pts);
+
+/* Instantiates a new closed captioning renderer. */
+cc_renderer_t *cc_renderer_open(osd_renderer_t *osd_renderer,
+				metronom_t *metronom, cc_state_t *cc_state,
+				int video_width, int video_height);
+
+/* Destroys a closed captioning renderer. */
+void cc_renderer_close(cc_renderer_t *this_obj);
+
+/* Updates the renderer configuration variables */
+void cc_renderer_update_cfg(cc_renderer_t *this_obj, int video_width,
+			    int video_height);
+