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Bug fixed by Sylvain Munaut. Change in the reading of the POC marker. Since COD/COC can be anywhere in the header, the decoder cannot always know while decoding the POC marker the value of numlayers and numresolution.

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Francois-Olivier Devaux
2007-05-23 16:04:50 +00:00
parent 8be8111008
commit 1f55aaf4a6
1 changed files with 2 additions and 2 deletions
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4
libopenjpeg/j2k.c
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@@ -1031,8 +1031,8 @@ static void j2k_read_poc(opj_j2k_t *j2k) {
poc = &tcp->pocs[i]; poc = &tcp->pocs[i];
poc->resno0 = cio_read(cio, 1); /* RSpoc_i */ poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */ poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
poc->layno1 = int_min(cio_read(cio, 2), (unsigned int) tcp->numlayers); /* LYEpoc_i */ poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
poc->resno1 = int_min(cio_read(cio, 1), (unsigned int) tccp->numresolutions); /* REpoc_i */ poc->resno1 = cio_read(cio, 1); /* REpoc_i */
poc->compno1 = int_min( poc->compno1 = int_min(
cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */ cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */ poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */