ByteIOContext *pb = s->pb;
uint32_t tag, size;
int64_t pos= url_ftell(pb);
+ int ret = -1;
- url_fseek(pb, avi->movi_end, SEEK_SET);
+ if (url_fseek(pb, avi->movi_end, SEEK_SET) < 0)
+ goto the_end; // maybe truncated file
#ifdef DEBUG_SEEK
printf("movi_end=0x%"PRIx64"\n", avi->movi_end);
#endif
case MKTAG('i', 'd', 'x', '1'):
if (avi_read_idx1(s, size) < 0)
goto skip;
- else
+ ret = 0;
goto the_end;
break;
default:
skip:
size += (size & 1);
- url_fskip(pb, size);
+ if (url_fseek(pb, size, SEEK_CUR) < 0)
+ goto the_end; // something is wrong here
break;
}
}
the_end:
url_fseek(pb, pos, SEEK_SET);
- return 0;
+ return ret;
}
static int avi_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)