From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Wed, 27 Aug 2008 01:40:46 +0000 (+0000)
Subject: copy default coupling band structure from table to decoding context (used for E-AC-3)
X-Git-Tag: v0.5~2907
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=0ffea2439bdb9275a34cac1830cfee29819a69e0;p=coroid%2Flibav_saccubus.git

copy default coupling band structure from table to decoding context (used for E-AC-3)

Originally committed as revision 14990 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index e4a1e754d..3a7eec902 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -824,6 +824,9 @@ static int decode_audio_block(AC3DecodeContext *s, int blk)
                     s->cpl_band_struct[bnd] = get_bits1(gbc);
                 }
             } else if (!blk) {
+                memcpy(s->cpl_band_struct,
+                       &ff_eac3_default_cpl_band_struct[cpl_begin_freq+1],
+                       s->num_cpl_subbands-1);
             }
             s->cpl_band_struct[s->num_cpl_subbands-1] = 0;
 
diff --git a/libavcodec/ac3dec.h b/libavcodec/ac3dec.h
index 9e44019b1..26d613538 100644
--- a/libavcodec/ac3dec.h
+++ b/libavcodec/ac3dec.h
@@ -82,7 +82,7 @@ typedef struct {
     int phase_flags[18];                    ///< phase flags                            (phsflg)
     int num_cpl_subbands;                   ///< number of coupling sub bands           (ncplsubnd)
     int num_cpl_bands;                      ///< number of coupling bands               (ncplbnd)
-    int cpl_band_struct[18];                ///< coupling band structure                (cplbndstrc)
+    uint8_t cpl_band_struct[18];            ///< coupling band structure                (cplbndstrc)
     int firstchincpl;                       ///< first channel in coupling
     int first_cpl_coords[AC3_MAX_CHANNELS]; ///< first coupling coordinates states      (firstcplcos)
     int cpl_coords[AC3_MAX_CHANNELS][18];   ///< coupling coordinates                   (cplco)