/* FIXME modify qdm2/svq3/h264 decoders to take full atom as extradata */
static int mov_read_extradata(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
{
- AVStream *st = c->fc->streams[c->fc->nb_streams-1];
- uint64_t size= (uint64_t)st->codec->extradata_size + atom.size + 8 + FF_INPUT_BUFFER_PADDING_SIZE;
+ AVStream *st;
+ uint64_t size;
uint8_t *buf;
+
+ if (c->fc->nb_streams < 1) // will happen with jp2 files
+ return 0;
+ st= c->fc->streams[c->fc->nb_streams-1];
+ size= (uint64_t)st->codec->extradata_size + atom.size + 8 + FF_INPUT_BUFFER_PADDING_SIZE;
if(size > INT_MAX || (uint64_t)atom.size > INT_MAX)
return -1;
buf= av_realloc(st->codec->extradata, size);