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Encoder: grow again buffer size in opj_tcd_code_block_enc_allocate_data() (fixes #1283)

This commit is contained in:
yuan 2020-12-04 19:00:22 +08:00
parent aaff099b49
commit 4ce7d285a5
1 changed files with 2 additions and 1 deletions
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3
src/lib/openjp2/tcd.c
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@ -1248,9 +1248,10 @@ static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
/* and +28 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 44) */ /* and +28 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 44) */
/* and +33 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4) */ /* and +33 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4) */
/* and +63 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4 -IMF 2K) */ /* and +63 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4 -IMF 2K) */
/* and +74 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4 -n 8 -s 7,7 -I) */
/* TODO: is there a theoretical upper-bound for the compressed code */ /* TODO: is there a theoretical upper-bound for the compressed code */
/* block size ? */ /* block size ? */
l_data_size = 63 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) * l_data_size = 74 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
(p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32)); (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
if (l_data_size > p_code_block->data_size) { if (l_data_size > p_code_block->data_size) {