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Simplify AC-3 critical band end calculation (correctly this time).
author
Justin Ruggles
<justin.ruggles@gmail.com>
Tue, 3 Nov 2009 03:26:26 +0000
(
03:26
+0000)
committer
Justin Ruggles
<justin.ruggles@gmail.com>
Tue, 3 Nov 2009 03:26:26 +0000
(
03:26
+0000)
Originally committed as revision 20438 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/ac3.c
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diff --git
a/libavcodec/ac3.c
b/libavcodec/ac3.c
index
72312c7
..
20b3397
100644
(file)
--- a/
libavcodec/ac3.c
+++ b/
libavcodec/ac3.c
@@
-228,7
+228,7
@@
void ff_ac3_bit_alloc_calc_bap(int16_t *mask, int16_t *psd, int start, int end,
band = bin_to_band_tab[start];
do {
int m = (FFMAX(mask[band] - snr_offset - floor, 0) & 0x1FE0) + floor;
- int band_end = FFMIN(band_start_tab[band
] + ff_ac3_critical_band_size_tab[band
], end);
+ int band_end = FFMIN(band_start_tab[band
+1
], end);
for (; bin < band_end; bin++) {
int address = av_clip((psd[bin] - m) >> 5, 0, 63);
bap[bin] = bap_tab[address];