diff options
| -rw-r--r-- | libavformat/tta.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libavformat/tta.c b/libavformat/tta.c index e5e6e7186c..b7efe18b3c 100644 --- a/libavformat/tta.c +++ b/libavformat/tta.c @@ -45,12 +45,14 @@ static int tta_read_header(AVFormatContext *s) TTAContext *c = s->priv_data; AVStream *st; int i, channels, bps, samplerate, datalen; - uint64_t framepos, start_offset; + int64_t framepos, start_offset; if (!av_dict_get(s->metadata, "", NULL, AV_DICT_IGNORE_SUFFIX)) ff_id3v1_read(s); start_offset = avio_tell(s->pb); + if (start_offset < 0) + return start_offset; if (avio_rl32(s->pb) != AV_RL32("TTA1")) return -1; // not tta file @@ -91,7 +93,10 @@ static int tta_read_header(AVFormatContext *s) st->start_time = 0; st->duration = datalen; - framepos = avio_tell(s->pb) + 4*c->totalframes + 4; + framepos = avio_tell(s->pb); + if (framepos < 0) + return framepos; + framepos += 4 * c->totalframes + 4; for (i = 0; i < c->totalframes; i++) { uint32_t size = avio_rl32(s->pb); |