From cc2a8443eb0501d5be2656a1a0885d96c92400b9 Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Sun, 15 Jul 2007 01:31:09 +0000
Subject: move some common values to ac3.h and utilize them

Originally committed as revision 9679 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/ac3.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'libavcodec/ac3.h')

diff --git a/libavcodec/ac3.h b/libavcodec/ac3.h
index bfaf7d0db2..ad1075db41 100644
--- a/libavcodec/ac3.h
+++ b/libavcodec/ac3.h
@@ -43,6 +43,26 @@
 #define EXP_D25   2
 #define EXP_D45   3
 
+/** Delta bit allocation strategy */
+typedef enum {
+    DBA_REUSE = 0,
+    DBA_NEW,
+    DBA_NONE,
+    DBA_RESERVED
+} AC3DeltaStrategy;
+
+/** Channel mode (audio coding mode) */
+typedef enum {
+    AC3_ACMOD_DUALMONO = 0,
+    AC3_ACMOD_MONO,
+    AC3_ACMOD_STEREO,
+    AC3_ACMOD_3F,
+    AC3_ACMOD_2F1R,
+    AC3_ACMOD_3F1R,
+    AC3_ACMOD_2F2R,
+    AC3_ACMOD_3F2R
+} AC3ChannelMode;
+
 typedef struct AC3BitAllocParameters {
     int fscod; /* frequency */
     int halfratecod;
-- 
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