[FFmpeg-cvslog] j2kenc: switch to cblk in prec
Michael Niedermayer
git at videolan.org
Mon May 27 15:21:56 CEST 2013
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon May 27 02:18:43 2013 +0200| [cbaa0871c2244d19dfb7955b82c9f7448d048051] | committer: Michael Niedermayer
j2kenc: switch to cblk in prec
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cbaa0871c2244d19dfb7955b82c9f7448d048051
---
libavcodec/j2kenc.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c
index 4c047c3..2e30e15 100644
--- a/libavcodec/j2kenc.c
+++ b/libavcodec/j2kenc.c
@@ -676,9 +676,9 @@ static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, in
for (pos=0, yi = prec->yi0; yi < prec->yi1; yi++){
for (xi = prec->xi0; xi < prec->xi1; xi++, pos++){
- prec->cblkincl[pos].val = band->cblk[yi * cblknw + xi].ninclpasses == 0;
+ prec->cblkincl[pos].val = prec->cblk[yi * cblknw + xi].ninclpasses == 0;
tag_tree_update(prec->cblkincl + pos);
- prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - band->cblk[yi * cblknw + xi].nonzerobits;
+ prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - prec->cblk[yi * cblknw + xi].nonzerobits;
tag_tree_update(prec->zerobits + pos);
}
}
@@ -686,7 +686,7 @@ static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, in
for (pos=0, yi = prec->yi0; yi < prec->yi1; yi++){
for (xi = prec->xi0; xi < prec->xi1; xi++, pos++){
int pad = 0, llen, length;
- Jpeg2000Cblk *cblk = band->cblk + yi * cblknw + xi;
+ Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi;
if (s->buf_end - s->buf < 20) // approximately
return -1;
@@ -721,7 +721,7 @@ static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, in
for (yi = prec->yi0; yi < prec->yi1; yi++){
int xi;
for (xi = prec->xi0; xi < prec->xi1; xi++){
- Jpeg2000Cblk *cblk = band->cblk + yi * cblknw + xi;
+ Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi;
if (cblk->ninclpasses){
if (s->buf_end - s->buf < cblk->passes[cblk->ninclpasses-1].rate)
return -1;
@@ -776,7 +776,7 @@ static int getcut(Jpeg2000Cblk *cblk, int64_t lambda, int dwt_norm)
static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile)
{
- int compno, reslevelno, bandno, cblkno, lev;
+ int precno, compno, reslevelno, bandno, cblkno, lev;
Jpeg2000CodingStyle *codsty = &s->codsty;
for (compno = 0; compno < s->ncomponents; compno++){
@@ -785,15 +785,18 @@ static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile)
for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){
Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
- for (bandno = 0; bandno < reslevel->nbands ; bandno++){
- int bandpos = bandno + (reslevelno > 0);
- Jpeg2000Band *band = reslevel->band + bandno;
+ for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
+ for (bandno = 0; bandno < reslevel->nbands ; bandno++){
+ int bandpos = bandno + (reslevelno > 0);
+ Jpeg2000Band *band = reslevel->band + bandno;
+ Jpeg2000Prec *prec = band->prec + precno;
- for (cblkno = 0; cblkno < band->cblknx * band->cblkny; cblkno++){
- Jpeg2000Cblk *cblk = band->cblk + cblkno;
+ for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
+ Jpeg2000Cblk *cblk = prec->cblk + cblkno;
- cblk->ninclpasses = getcut(cblk, s->lambda,
- (int64_t)dwt_norms[codsty->transform][bandpos][lev] * (int64_t)band->stepsize >> 13);
+ cblk->ninclpasses = getcut(cblk, s->lambda,
+ (int64_t)dwt_norms[codsty->transform][bandpos][lev] * (int64_t)band->stepsize >> 13);
+ }
}
}
}
@@ -857,7 +860,7 @@ static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno
}
}
}
- encode_cblk(s, &t1, band->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0,
+ encode_cblk(s, &t1, band->prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0,
bandpos, codsty->nreslevels - reslevelno - 1);
xx0 = xx1;
xx1 = FFMIN(xx1 + (1 << band->log2_cblk_width), band->coord[0][1] - band->coord[0][0] + x0);
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