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authorMichael Niedermayer <michael@niedermayer.cc>2017-12-17 23:35:26 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2017-12-21 19:48:41 +0100
commit80344959f064c7ea10d023862e0f6b79835de9de (patch)
tree1850e87ad5589296d5a2b530fa40e96c88b4f571 /libavcodec/jpeg2000dec.c
parent4b2a186ef02c1fbe7f7cae30a2bdfff72bcc75f7 (diff)
avcodec/jpeg2000dec: Free lengthinc earlier
Reduces memory needed Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/jpeg2000dec.c')
-rw-r--r--libavcodec/jpeg2000dec.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 617273b36b..8071dc3c84 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -1046,6 +1046,8 @@ static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
nb_code_blocks = prec->nb_codeblocks_height * prec->nb_codeblocks_width;
for (cblkno = 0; cblkno < nb_code_blocks; cblkno++) {
Jpeg2000Cblk *cblk = prec->cblk + cblkno;
+ if (!cblk->nb_terminationsinc && !cblk->lengthinc)
+ continue;
for (cwsno = 0; cwsno < cblk->nb_lengthinc; cwsno ++) {
if (cblk->data_allocated < cblk->length + cblk->lengthinc[cwsno] + 4) {
size_t new_size = FFMAX(2*cblk->data_allocated, cblk->length + cblk->lengthinc[cwsno] + 4);
@@ -1075,6 +1077,7 @@ static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
cblk->data_start[cblk->nb_terminations] = cblk->length;
}
}
+ av_freep(&cblk->lengthinc);
}
}
return 0;