}
static int read_gab2_sub(AVStream *st, AVPacket *pkt) {
- if (!strcmp(pkt->data, "GAB2") && AV_RL16(pkt->data+5) == 2) {
+ if (pkt->data && !strcmp(pkt->data, "GAB2") && AV_RL16(pkt->data+5) == 2) {
uint8_t desc[256];
int score = AVPROBE_SCORE_MAX / 2, ret;
AVIStream *ast = st->priv_data;