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j2k: remove cblk from band 

cblk is now in the same place as in jpeg2000, which will simplify
merging the 2 decoders

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-27 14:55:46 +02:00
parent 81ccc31f75
commit a05db52c12
2 changed files with 9 additions and 17 deletions
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25
libavcodec/j2k.c
View File

@ -306,11 +306,6 @@ int ff_j2k_init_component(Jpeg2000Component *comp,
band->cblknx = ff_jpeg2000_ceildiv(band->cblknx, dx);
band->cblkny = ff_jpeg2000_ceildiv(band->cblkny, dy);
band->cblk = av_malloc_array(band->cblknx *
band->cblkny,
sizeof(*band->cblk));
if (!band->cblk)
return AVERROR(ENOMEM);
band->prec = av_malloc_array(reslevel->num_precincts_x *
reslevel->num_precincts_y,
sizeof(*band->prec));
@ -399,11 +394,9 @@ int ff_j2k_init_component(Jpeg2000Component *comp,
if (!prec->zerobits)
return AVERROR(ENOMEM);
// prec->cblk = av_malloc_array(prec->nb_codeblocks_width *
// prec->nb_codeblocks_height,
// sizeof(*prec->cblk));
prec->cblk = band->cblk;
av_assert0(nb_precincts == 1);
prec->cblk = av_malloc_array(prec->nb_codeblocks_width *
prec->nb_codeblocks_height,
sizeof(*prec->cblk));
if (!prec->cblk)
return AVERROR(ENOMEM);
for (cblkno = 0; cblkno < prec->nb_codeblocks_width * prec->nb_codeblocks_height; cblkno++) {
@ -461,11 +454,11 @@ void ff_j2k_reinit(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty)
Jpeg2000Prec *prec = band->prec + precno;
tag_tree_zero(prec->zerobits, prec->xi1 - prec->xi0, prec->yi1 - prec->yi0);
tag_tree_zero(prec->cblkincl, prec->xi1 - prec->xi0, prec->yi1 - prec->yi0);
}
for (cblkno = 0; cblkno < band->cblknx * band->cblkny; cblkno++) {
Jpeg2000Cblk *cblk = band->cblk + cblkno;
cblk->length = 0;
cblk->lblock = 3;
for (cblkno = 0; cblkno < prec->nb_codeblocks_width * prec->nb_codeblocks_height; cblkno++) {
Jpeg2000Cblk *cblk = prec->cblk + cblkno;
cblk->length = 0;
cblk->lblock = 3;
}
}
}
}
@ -483,8 +476,8 @@ void ff_j2k_cleanup(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty)
Jpeg2000Prec *prec = band->prec + precno;
av_freep(&prec->zerobits);
av_freep(&prec->cblkincl);
av_freep(&prec->cblk);
}
av_freep(&band->cblk);
av_freep(&band->prec);
}
av_freep(&reslevel->band);

1
libavcodec/j2k.h
View File

@ -182,7 +182,6 @@ typedef struct Jpeg2000Band {
uint16_t cblknx, cblkny;
uint32_t stepsize; // quantization stepsize (* 2^13)
Jpeg2000Prec *prec;
Jpeg2000Cblk *cblk;
} Jpeg2000Band; // subband
typedef struct Jpeg2000ResLevel {