Commit 53d5d89c authored by Michael Niedermayer's avatar Michael Niedermayer Committed by Luca Barbato
Browse files

jpeg2000: Speed up jpeg2000_decode_tile()



Skip processing bands with dimension set to 0.
Signed-off-by: default avatarLuca Barbato <lu_zero@gentoo.org>
parent 64f6570c
......@@ -1118,6 +1118,10 @@ static int jpeg2000_decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
int cblkno = 0, bandpos;
bandpos = bandno + (reslevelno > 0);
if (band->coord[0][0] == band->coord[0][1] ||
band->coord[1][0] == band->coord[1][1])
continue;
nb_precincts = rlevel->num_precincts_x * rlevel->num_precincts_y;
/* Loop on precincts */
for (precno = 0; precno < nb_precincts; precno++) {
......
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