if (s->pict_type != AV_PICTURE_TYPE_B) {
s->last_time_base = s->time_base;
s->time_base += time_incr;
- s->time = s->time_base * s->avctx->framerate.num + time_increment;
+ s->time = s->time_base * (int64_t)s->avctx->framerate.num + time_increment;
if (s->workaround_bugs & FF_BUG_UMP4) {
if (s->time < s->last_non_b_time) {
/* header is not mpeg-4-compatible, broken encoder,
s->pp_time = s->time - s->last_non_b_time;
s->last_non_b_time = s->time;
} else {
- s->time = (s->last_time_base + time_incr) * s->avctx->framerate.num + time_increment;
+ s->time = (s->last_time_base + time_incr) * (int64_t)s->avctx->framerate.num + time_increment;
s->pb_time = s->pp_time - (s->last_non_b_time - s->time);
if (s->pp_time <= s->pb_time ||
s->pp_time <= s->pp_time - s->pb_time ||
MpegEncContext *s = &ctx->m;
unsigned startcode, v;
int ret;
+ int vol = 0;
/* search next start code */
align_get_bits(gb);
}
if (startcode >= 0x120 && startcode <= 0x12F) {
+ if (vol) {
+ av_log(s->avctx, AV_LOG_ERROR, "Multiple VOL headers");
+ return AVERROR_INVALIDDATA;
+ }
+ vol++;
if ((ret = decode_vol_header(ctx, gb)) < 0)
return ret;
} else if (startcode == USER_DATA_STARTCODE) {