1 files changed, 54 insertions, 0 deletions
diff --git a/src/liba52/a52_internal.h b/src/liba52/a52_internal.h
new file mode 100644
index 000000000..a1b88c229
--- /dev/null
+++ b/src/liba52/a52_internal.h
@@ -0,0 +1,54 @@
+/*
+ * a52_internal.h
+ * Copyright (C) 1999-2001 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+ *
+ * This file is part of a52dec, a free ATSC A-52 stream decoder.
+ *
+ * a52dec 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.
+ *
+ * a52dec 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#define LEVEL_PLUS6DB 2.0
+#define LEVEL_PLUS3DB 1.4142135623730951
+#define LEVEL_3DB 0.7071067811865476
+#define LEVEL_45DB 0.5946035575013605
+#define LEVEL_6DB 0.5
+
+#define EXP_REUSE (0)
+#define EXP_D15   (1)
+#define EXP_D25   (2)
+#define EXP_D45   (3)
+
+#define DELTA_BIT_REUSE (0)
+#define DELTA_BIT_NEW (1)
+#define DELTA_BIT_NONE (2)
+#define DELTA_BIT_RESERVED (3)
+
+void bit_allocate (a52_state_t * state, a52_ba_t * ba, int bndstart,
+		   int start, int end, int fastleak, int slowleak,
+		   uint8_t * exp, int8_t * bap);
+
+int downmix_init (int input, int flags, sample_t * level,
+		  sample_t clev, sample_t slev);
+int downmix_coeff (sample_t * coeff, int acmod, int output, sample_t level,
+		   sample_t clev, sample_t slev);
+void downmix (sample_t * samples, int acmod, int output, sample_t bias,
+	      sample_t clev, sample_t slev);
+void upmix (sample_t * samples, int acmod, int output);
+
+void imdct_init (uint32_t mm_accel);
+extern void (* imdct_256) (sample_t * data, sample_t * delay, sample_t bias);
+extern void (* imdct_512) (sample_t * data, sample_t * delay, sample_t bias);
+void imdct_do_256_mlib (sample_t * data, sample_t * delay, sample_t bias);
+void imdct_do_512_mlib (sample_t * data, sample_t * delay, sample_t bias);