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Issue generated from Tuleap's migration script. Originally submitted by: Stepan Salenikovich (ssalenik)

Fedora 20 system

to reproduce:

• have normal resolution camera selected as default (1280x720)
• have second camera set to high resolution (2304x1536)
• start call
• during call switch cameras
• a frame or two appear from the 2nd camera and then the daemon segfaults in the same place

  
[1446218531.846| 2613|media\_decoder.cpp:85    ] Trying to open device dummyFilename with format sdp  
[1446218531.846| 2613|media\_decoder.cpp:97    ] Using format sdp  
[1446218531.846| 2613|media\_decoder.cpp:213   ] Finding stream info  
[1446218531.856| 2547|sipvoiplink.cpp:777     ] Sending video keyframe request via SIP INFO  
[1446218531.856| 2547|sipvoiplink.cpp:1137    ] [INVITE:0xcdd6a8] tsx\_role=0, tsx\_state=1, ev\_type=5, tsx\_state\_type=2  
[1446218531.856| 2547|sipvoiplink.cpp:1155    ] [INVITE:0xcdd6a8] RX SIP method 6 (INFO)  
[1446218531.856| 2547|sipvoiplink.cpp:1026    ] handling picture fast update request  
[1446218531.856| 2547|sipvoiplink.cpp:1137    ] [INVITE:0xcdd6a8] tsx\_role=1, tsx\_state=4, ev\_type=5, tsx\_state\_type=2  
[1446218531.858| 2578|sips\_transport\_ice.cpp:731] TLS(ice): rx 498B  
[1446218531.867| 2547|sipvoiplink.cpp:1137    ] [INVITE:0xcdd6a8] tsx\_role=1, tsx\_state=6, ev\_type=5, tsx\_state\_type=1  
[1446218531.867| 2547|sipvoiplink.cpp:1137    ] [INVITE:0xcdd6a8] tsx\_role=0, tsx\_state=4, ev\_type=5, tsx\_state\_type=3  
[1446218531.877| 2547|sipvoiplink.cpp:1137    ] [INVITE:0xcdd6a8] tsx\_role=0, tsx\_state=6, ev\_type=5, tsx\_state\_type=1  
[1446218532.212| 2584|video\_input.cpp:173     ] created decoder with video params : size=2304X1536, fps=2.000000  
[1446218532.212| 2584|sinkclient.cpp:360      ] Start sink , size=2304x1536, mixer=0  
[1446218532.213| 2584|sinkclient.cpp:177      ] ShmHolder[Ring\_shm\_2547\_0]: new sizes: f=14155776, a=28311655  
[1446218532.228| 2584|video\_sender.cpp:66     ] keyframe requested  
[swscaler @ 0x7fffa00031c0] Warning: data is not aligned! This can lead to a speedloss  
  
Program received signal SIGSEGV, Segmentation fault.  
[Switching to Thread 0x7fffd9ffb700 (LWP 2584)]  
0x00007ffff448d5a0 in yuv2yuvX\_MMXEXT () from /lib64/libswscale.so.2  
  
(gdb) bt full  
\#0  0x00007ffff448d5a0 in yuv2yuvX\_MMXEXT () from /lib64/libswscale.so.2  
No symbol table info available.  
\#1  0x00007ffff4490988 in yuv2yuvX\_sse3 () from /lib64/libswscale.so.2  
No symbol table info available.  
\#2  0x00007ffff447531f in swscale () from /lib64/libswscale.so.2  
No symbol table info available.  
\#3  0x00007ffff44763fd in sws\_scale () from /lib64/libswscale.so.2  
No symbol table info available.  
\#4  0x000000000055ce64 in ring::video::VideoScaler::scale\_with\_aspect (this=this@entry=0xb742f8, input=..., output=...) at video\_scaler.cpp:70  
No locals.  
\#5  0x0000000000541f08 in ring::MediaEncoder::encode (this=0xb742d0, input=..., is\_keyframe=, frame\_number=0) at media\_encoder.cpp:261  
        pkt = {buf = 0x6c0000 , pts = 140735877745344, dts = 11732408, data = 0x7fffa0002c30 "\\220Nz", size = 13559240, stream\_index = 0, flags = 5591615,   
          side\_data = 0xffffffffffffffff, side\_data\_elems = 0, duration = 0, destruct = 0xcee5d8, priv = 0xb8a9eddad0437c00, pos = 140735877753904, convergence\_duration = 140735877747056}  
        got\_packet = 32767  
        ret =   
\#6  0x000000000055d0e8 in ring::video::VideoSender::encodeAndSendVideo (this=0xb73aa0, input\_frame=...) at video\_sender.cpp:70  
        is\_keyframe =   
\#7  0x00000000004a1700 in notify (data=std::shared\_ptr (count 1, weak 0) 0x7fffa0002c30, this=0xcee558) at video\_base.h:94  
        observer =   
Python Exception  list index out of range:   
        \_\_for\_range = std::set with 2 elements  
\#8  ring::video::VideoGenerator::publishFrame (this=0xcee558) at video\_base.cpp:59  
        lk = {\_M\_device = @0xcee5d8}  
\#9  0x00000000004ae405 in ring::video::VideoInput::captureFrame (this=this@entry=0xcee558) at video\_input.cpp:125  
        pkt = {packet\_ = 0x7fffa00023c0}  
        ret =   
\#10 0x00000000004afeb7 in ring::video::VideoInput::process (this=0xcee558) at video\_input.cpp:77  
No locals.  
\#11 0x00000000004dfb68 in ring::ThreadLoop::mainloop(std::thread::id&, std::function, std::function, std::function) (this=0xcee690, tid=..., setup=..., process=..., cleanup=...)  
    at threadloop.cpp:36  
No locals.  
\#12 0x00000000004e0295 in operator(), std::function, std::function, std::function, void> (\_\_object=, this=)  
    at /usr/include/c++/4.8.3/functional:601  
No locals.  
\#13 \_M\_invoke<0ul, 1ul, 2ul, 3ul, 4ul> (this=) at /usr/include/c++/4.8.3/functional:1732  
No locals.  
\#14 operator() (this=) at /usr/include/c++/4.8.3/functional:1720  
No locals.  
\#15 std::thread::\_Impl, std::function, std::function)> (ring::ThreadLoop\*, std::reference\_wrapper, std::function, std::function, std::function)> >::\_M\_run() (this=) at /usr/include/c++/4.8.3/thread:115  
No locals.  
\#16 0x00007ffff3b90600 in std::(anonymous namespace)::execute\_native\_thread\_routine (\_\_p=) at ../../../../../libstdc++-v3/src/c++11/thread.cc:84  
        \_\_t =   
        \_\_local = warning: RTTI symbol not found for class 'std::\_Sp\_counted\_ptr\_inplace, std::function, std::function)> (ring::ThreadLoop\*, std::reference\_wrapper, std::function, std::function, std::function)> >, std::allocator, std::function, std::function)> (ring::ThreadLoop\*, std::reference\_wrapper, std::function, std::function, std::function)> > >, (\_\_gnu\_cxx::\_Lock\_policy)2>'  
warning: RTTI symbol not found for class 'std::\_Sp\_counted\_ptr\_inplace, std::function, std::function)> (ring::ThreadLoop\*, std::reference\_wrapper, std::function, std::function, std::function)> >, std::allocator, std::function, std::function)> (ring::ThreadLoop\*, std::reference\_wrapper, std::function, std::function, std::function)> > >, (\_\_gnu\_cxx::\_Lock\_policy)2>'  
std::shared\_ptr (count 1, weak 0) 0x0  
\#17 0x00007ffff5d0aee5 in start\_thread (arg=0x7fffd9ffb700) at pthread\_create.c:309  
        \_\_res =   
        pd = 0x7fffd9ffb700  
        now =   
        unwind\_buf = {cancel\_jmp\_buf = {{jmp\_buf = {140736850802432, 4133927409097449645, 1, 0, 140736850803136, 140736850802432, -4133993381099396947, -4133949650009120595}, mask\_was\_saved = 0}}, priv = {  
            pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}  
        not\_first\_call =   
        pagesize\_m1 =   
---Type  to continue, or q  to quit---  
        sp =   
        freesize =   
\#18 0x00007ffff32f4d1d in clone () at ../sysdeps/unix/sysv/linux/x86\_64/clone.S:111  
No locals.