. Thread 6 (process 8524): #0 0xb734c545 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0 #1 0xb78c5881 in g_main_context_check () from /usr/lib/libglib-2.0.so.0 #2 0xb78c5c2f in ?? () from /usr/lib/libglib-2.0.so.0 #3 0x080c29e0 in ?? () #4 0x000000c8 in ?? () #5 0x0837b7c0 in ?? () #6 0x00000002 in ?? () #7 0x00000002 in ?? () #8 0xb793b5f8 in ?? () from /usr/lib/libglib-2.0.so.0 #9 0xb793b620 in ?? () from /usr/lib/libglib-2.0.so.0 #10 0xbff54ca4 in ?? () #11 0x00000001 in ?? () #12 0x00000001 in ?? () #13 0x080c29e0 in ?? () #14 0x0837b7c0 in ?? () #15 0xb720eb90 in ?? () from /lib/tls/i686/cmov/libc.so.6 #16 0xb734ddf0 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #17 0xb734c520 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #18 0xb78ea502 in g_thread_self () from /usr/lib/libglib-2.0.so.0 #19 0xb78c61e7 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #20 0xb7d7a244 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #21 0x0805b02b in xvc_ui_run () #22 0x0806732f in main () . Thread 5 (process 8574): #0 0xb7fd2410 in __kernel_vsyscall () #1 0xb734eaa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb76f03cb in ?? () from /usr/lib/libavcodec.so.1d #3 0xb5703168 in ?? () #4 0xb5703198 in ?? () #5 0xb5703138 in ?? () #6 0xb5703168 in ?? () #7 0xb5703198 in ?? () #8 0x00000004 in ?? () #9 0x00000000 in ?? () . Thread 4 (process 8575): #0 0xb7fd2410 in __kernel_vsyscall () #1 0xb734eaa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb76f03cb in ?? () from /usr/lib/libavcodec.so.1d #3 0xb5703168 in ?? () #4 0xb5703198 in ?? () #5 0xb5703138 in ?? () #6 0xb5703168 in ?? () #7 0xb5703198 in ?? () #8 0x00000004 in ?? () #9 0x00000001 in ?? () #10 0xb7359ff4 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #11 0x00000000 in ?? () . Thread 3 (process 8576): #0 0xb7fd2410 in __kernel_vsyscall () #1 0xb734eaa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb76f03cb in ?? () from /usr/lib/libavcodec.so.1d #3 0xb5703168 in ?? () #4 0xb5703198 in ?? () #5 0xb5703138 in ?? () #6 0xb5703168 in ?? () #7 0xb5703198 in ?? () #8 0x00000004 in ?? () #9 0x00000002 in ?? () #10 0xb7359ff4 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #11 0x00000000 in ?? () . Thread 2 (process 8577): #0 0xb7fd2410 in __kernel_vsyscall () #1 0xb734eaa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb76f03cb in ?? () from /usr/lib/libavcodec.so.1d #3 0xb5703168 in ?? () #4 0xb5703198 in ?? () #5 0xb5703138 in ?? () #6 0xb5703168 in ?? () #7 0xb5703198 in ?? () #8 0x00000004 in ?? () #9 0x00000003 in ?? () #10 0xb7359ff4 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #11 0x00000000 in ?? () . Thread 1 (process 8573): #0 0xb73c21e4 in avcodec_open () from /usr/lib/libavcodec.so.1d #1 0x00040000 in ?? () #2 0xb7fe5c50 in ?? () from /lib/ld-linux.so.2 #3 0x0806ad21 in ?? () #4 0xb34270d0 in ?? () #5 0x00000000 in ?? ()