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Simplify AC-3 critical band end calculation (correctly this time).

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Originally committed as revision 20438 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles 2009-11-03 03:26:26 +00:00
parent 94593c9b52
commit 31f8c10983
1 changed files with 1 additions and 1 deletions
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libavcodec/ac3.c
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@ -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]; band = bin_to_band_tab[start];
do { do {
int m = (FFMAX(mask[band] - snr_offset - floor, 0) & 0x1FE0) + floor; 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++) { for (; bin < band_end; bin++) {
int address = av_clip((psd[bin] - m) >> 5, 0, 63); int address = av_clip((psd[bin] - m) >> 5, 0, 63);
bap[bin] = bap_tab[address]; bap[bin] = bap_tab[address];