avformat/mxfdec: Reset structural_components_count when allocation fails

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-11-30 23:25:19 +01:00
parent e5d217f048
commit 8653419e9d

View File

@ -742,8 +742,10 @@ static int mxf_read_sequence(void *arg, AVIOContext *pb, int tag, int size, UID
case 0x1001:
sequence->structural_components_count = avio_rb32(pb);
sequence->structural_components_refs = av_calloc(sequence->structural_components_count, sizeof(UID));
if (!sequence->structural_components_refs)
if (!sequence->structural_components_refs) {
sequence->structural_components_count = 0;
return AVERROR(ENOMEM);
}
avio_skip(pb, 4); /* useless size of objects, always 16 according to specs */
avio_read(pb, (uint8_t *)sequence->structural_components_refs, sequence->structural_components_count * sizeof(UID));
break;
@ -761,8 +763,10 @@ static int mxf_read_essence_group(void *arg, AVIOContext *pb, int tag, int size,
case 0x0501:
essence_group->structural_components_count = avio_rb32(pb);
essence_group->structural_components_refs = av_calloc(essence_group->structural_components_count, sizeof(UID));
if (!essence_group->structural_components_refs)
if (!essence_group->structural_components_refs) {
essence_group->structural_components_count = 0;
return AVERROR(ENOMEM);
}
avio_skip(pb, 4); /* useless size of objects, always 16 according to specs */
avio_read(pb, (uint8_t *)essence_group->structural_components_refs, essence_group->structural_components_count * sizeof(UID));
break;