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authorJustin Ruggles <justin.ruggles@gmail.com>2009-08-03 22:05:31 +0000
committerJustin Ruggles <justin.ruggles@gmail.com>2009-08-03 22:05:31 +0000
commiteb98cdfa8da661837311e51f6038dd358cf1de65 (patch)
tree317c4376fef6a3f76fcf9b504bd893b0cd6cedc1 /libavcodec
parent81b44c42d5d96de9cb4125ddb01e9142e9c30c64 (diff)
downloadffmpeg-eb98cdfa8da661837311e51f6038dd358cf1de65.tar.gz
cosmetics: add more detailed information to the documentation for
decode_band_structure(). Originally committed as revision 19577 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/ac3dec.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index 90ffd74ba5..baff415900 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -718,6 +718,10 @@ static void ac3_upmix_delay(AC3DecodeContext *s)
/**
* Decode band structure for coupling, spectral extension, or enhanced coupling.
+ * The band structure defines how many subbands are in each band. For each
+ * subband in the range, 1 means it is combined with the previous band, and 0
+ * means that it starts a new band.
+ *
* @param[in] gbc bit reader context
* @param[in] blk block number
* @param[in] eac3 flag to indicate E-AC-3