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Code Issues Releases Activity

avcodec/jpeg2000: Fix regression with multiple tiles

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Fixes Ticket 4624

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-14 21:05:38 +02:00
parent a206c13289
commit ec5164aa31
1 changed files with 7 additions and 6 deletions
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13
libavcodec/jpeg2000.c
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@ -402,13 +402,14 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
prec->coord[1][1] = FFMIN(prec->coord[1][1], band->coord[1][1]);
prec->nb_codeblocks_width =
ff_jpeg2000_ceildivpow2(prec->coord[0][1] -
prec->coord[0][0],
band->log2_cblk_width);
ff_jpeg2000_ceildivpow2(prec->coord[0][1],
band->log2_cblk_width)
- (prec->coord[0][0] >> band->log2_cblk_width);
prec->nb_codeblocks_height =
ff_jpeg2000_ceildivpow2(prec->coord[1][1] -
prec->coord[1][0],
band->log2_cblk_height);
ff_jpeg2000_ceildivpow2(prec->coord[1][1],
band->log2_cblk_height)
- (prec->coord[1][0] >> band->log2_cblk_height);
/* Tag trees initialization */
prec->cblkincl =