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When tracking non-zero coefficients during Indeo 5 decoding, make sure

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it does not ignore coefficient value = 256.
Patch by Maxim ((!min)_pole \at gmx dot/ de)

Originally committed as revision 22275 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Maxim Poliakovski 2010-03-07 06:03:45 +00:00 committed by Kostya Shishkov
parent 4def700e9e
commit e7edeb9191
1 changed files with 1 additions and 1 deletions
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libavcodec/ivi_common.c
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@ -413,7 +413,7 @@ int ff_ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile)
if (q > 1)
val = val * q + FFSIGN(val) * ((q >> 1) - (q & 1));
trvec[pos] = val;
col_flags[pos & col_mask] |= val; /* track columns containing non-zero coeffs */
col_flags[pos & col_mask] |= !!val; /* track columns containing non-zero coeffs */
}// while
if (scan_pos >= num_coeffs && sym != rvmap->eob_sym)