segfault when output uses ~

juser@dhcp124:~/vid$ echo ~
/home/juser

did not crash:
(gdb) run t2.dv out=10 -consumer avformat:/home/juser/x.ogg acodec=vorbis vcodec=libtheora

did crash:
(gdb) run t2.dv out=10 -consumer avformat:~/x.ogg acodec=vorbis vcodec=libtheora
Starting program: /usr/bin/melt t2.dv out=10 -consumer avformat:~/x.ogg acodec=vorbis vcodec=libtheora
[Thread debugging using libthread_db enabled]
[New Thread 0x7fffe81c0910 (LWP 26946)]
+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+
|1=-10| |2= -5| |3= -2| |4= -1| |5= 0| |6= 1| |7= 2| |8= 5| |9= 10|
+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+
+---------------------------------------------------------------------+
| H = back 1 minute, L = forward 1 minute |
| h = previous frame, l = next frame |
| g = start of clip, j = next clip, k = previous clip |
| 0 = restart, q = quit, space = play |
+---------------------------------------------------------------------+

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffe81c0910 (LWP 26946)]
0x00007fffea5e2bb1 in url_fclose () from /usr/lib/libavformat.so.52
(gdb) bt full
#0 0x00007fffea5e2bb1 in url_fclose () from /usr/lib/libavformat.so.52
No symbol table info available.
#1 0x00007fffea8bf60a in consumer_thread (arg=0x614e20)
at consumer_avformat.c:1320
terminate_on_pause = 1
terminated = 0
real_time_output = -1
ante = {tv_sec = 1253555179, tv_usec = 795430}
fps = 25
width = <value optimized out>
height = <value optimized out>
img_width = 720
img_height = 576
aud_fmt = mlt_audio_pcm
channels = 2
frequency = 48000
pcm = 0x0
samples = 0
audio_input_frame_size = 1024
frame = 0x15005
queue = 0x6665f0
fifo = 0x0
output = <value optimized out>
input = 0x699ab0
image = 0x0
img_fmt = mlt_image_yuv422
count = <value optimized out>
oc = 0x69a220
audio_st = 0x69a260
video_st = 0x69a220
audio_pts = 0
video_pts = 0
i = 2
frames = 0
total_time = 0
fmt = 0x7fffea865560
filename = 0x0
format = <value optimized out>
vcodec = <value optimized out>
acodec = <value optimized out>
audio_codec_id = 86021
video_codec_id = 31
tmp = <value optimized out>
metavalue = <value optimized out>
#2 0x00007ffff79a9a04 in start_thread (arg=<value optimized out>)
at pthread_create.c:300
__res = <value optimized out>
pd = 0x7fffe81c0910
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737087539472,
4438361011346988428, 140737347534976, 0, 0, 3,
-4438321712082723444, -4438342623449326196},
mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0},
data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
---Type <return> to continue, or q <return> to quit---
not_first_call = <value optimized out>
robust = <value optimized out>
#3 0x00007ffff77137bd in clone ()
at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#4 0x0000000000000000 in ?? ()
No symbol table info available.
(gdb)