Cause: null pointer dereference

[ClaymanTwinkle]

2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: Build fingerprint: 'Xiaomi/chiron/chiron:8.0.0/OPR1.170623.027/V10.3.1.0.ODECNXM:user/release-keys' 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: Revision: '0' 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: ABI: 'arm' 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: pid: 25266, tid: 25304, name: Thread-2 >>> com.yl.ffmpeg4android <<< 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: Cause: null pointer dereference 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: r0 c7bfe308 r1 00000000 r2 0000000f r3 0000002f 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: r4 ca7dd038 r5 fedb4cc3 r6 00000000 r7 c7bff148 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: r8 0000004b r9 c8b1fc00 sl c7bfef50 fp c7bfec08 2019-07-10 19:09:56.254 25307-25307/? A/DEBUG: ip 00000000 sp c7bfe1c8 lr ca7a9784 pc ca7a97a8 cpsr 200e0010 2019-07-10 19:09:56.255 25307-25307/? A/DEBUG: backtrace: 2019-07-10 19:09:56.255 25307-25307/? A/DEBUG: #00 pc 000167a8 /data/app/com.yl.ffmpeg4android-b_c8NXtzVuJAaKm9pyX91w==/lib/arm/libffmpeg.so 2019-07-10 19:09:56.255 25307-25307/? A/DEBUG: #01 pc 00014218 /data/app/com.yl.ffmpeg4android-b_c8NXtzVuJAaKm9pyX91w==/lib/arm/libffmpeg.so 2019-07-10 19:09:56.255 25307-25307/? A/DEBUG: #02 pc 000131a4 /data/app/com.yl.ffmpeg4android-b_c8NXtzVuJAaKm9pyX91w==/lib/arm/libffmpeg.so (run+564) 2019-07-10 19:09:56.255 25307-25307/? A/DEBUG: #03 pc 0003b44c /data/app/com.yl.ffmpeg4android-b_c8NXtzVuJAaKm9pyX91w==/lib/arm/libffmpeg.so (Java_com_yl_ffmpeg4android_MainActivity_run+268) 2019-07-10 19:09:56.255 25307-25307/? A/DEBUG: #04 pc 0000a075 /data/app/com.yl.ffmpeg4android-b_c8NXtzVuJAaKm9pyX91w==/oat/arm/base.odex (offset 0xa000)