LD_LIBRARY_PATH=install_out/usr/lib gdb ./ffmpeg_g GNU gdb (GDB) 8.3 Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./ffmpeg_g... @(gdb) r -i ~/testVideo.mov -c:v h264_nvenc -c:a aac -b:v 8m -b:a 192k -vf scale=w=1920:h=1080 -pix_fmt yuv420p ~/testOut.mp4 Starting program: /home/stephen/Git/ffmpeg/ffmpeg_g -i ~/testVideo.mov -c:v h264_nvenc -c:a aac -b:v 8m -b:a 192k -vf scale=w=1920:h=1080 -pix_fmt yuv420p ~/testOut.mp4 [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". ffmpeg version n4.1.3 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 8.3.0 (GCC) configuration: --prefix=/usr --disable-static --enable-shared --disable-stripping --enable-nvdec --enable-nvenc --enable-decoder=pcm_s16le libavutil 56. 22.100 / 56. 22.100 libavcodec 58. 35.100 / 58. 35.100 libavformat 58. 20.100 / 58. 20.100 libavdevice 58. 5.100 / 58. 5.100 libavfilter 7. 40.101 / 7. 40.101 libswscale 5. 3.100 / 5. 3.100 libswresample 3. 3.100 / 3. 3.100 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x100041740] Referenced QT chapter track not found Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/stephen/testVideo.mov': Metadata: major_brand : qt minor_version : 537199360 compatible_brands: qt creation_time : 2018-09-01T02:57:33.000000Z Duration: 00:01:43.90, start: 0.000000, bitrate: 700056 kb/s Stream #0:0(eng): Video: dnxhd (DNXHR HQX) (AVdh / 0x68645641), yuv422p10le(tv, bt709, progressive), 3840x2160, 698439 kb/s, SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 24k tbn, 24k tbc (default) Metadata: creation_time : 2018-09-01T02:57:33.000000Z handler_name : Apple Video Media Handler timecode : 00:00:00:00 Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default) Metadata: creation_time : 2018-09-01T02:57:33.000000Z handler_name : Apple Sound Media Handler timecode : 00:00:00:00 Stream #0:2(eng): Data: none (tmcd / 0x64636D74) (default) Metadata: creation_time : 2018-09-01T02:57:33.000000Z handler_name : Time Code Media Handler timecode : 00:00:00:00 [New Thread 0x7ffff5361700 (LWP 1451)] [New Thread 0x7ffff4b60700 (LWP 1452)] [New Thread 0x7ffff435f700 (LWP 1453)] [New Thread 0x7ffff3004700 (LWP 1454)] [New Thread 0x7ffff2803700 (LWP 1455)] [New Thread 0x7ffff2002700 (LWP 1456)] [New Thread 0x7ffff1801700 (LWP 1457)] [New Thread 0x7ffff1000700 (LWP 1458)] [New Thread 0x7ffff07ff700 (LWP 1459)] Stream mapping: Stream #0:0 -> #0:0 (dnxhd (native) -> h264 (h264_nvenc)) Stream #0:1 -> #0:1 (pcm_s16le (native) -> aac (native)) Press [q] to stop, [?] for help [New Thread 0x7fffefffe700 (LWP 1460)] [New Thread 0x7fffef7fd700 (LWP 1461)] [New Thread 0x7fffeeffc700 (LWP 1462)] [New Thread 0x7fffee7fb700 (LWP 1463)] [New Thread 0x7fffedffa700 (LWP 1464)] [New Thread 0x7fffed7f9700 (LWP 1465)] [New Thread 0x7fffecff8700 (LWP 1466)] [New Thread 0x7fffc7fff700 (LWP 1467)] [Detaching after fork from child process 1468] [Detaching after fork from child process 1480] [New Thread 0x7fffc668f700 (LWP 1481)] [New Thread 0x7fffc5e8e700 (LWP 1482)] [New Thread 0x7fffc568d700 (LWP 1483)] Thread 1 "ffmpeg_g" received signal SIGSEGV, Segmentation fault. 0x00007fffec3090c0 in ?? () from /usr/lib/libnvcuvid.so.1 @(gdb) bt #0 0x00007fffec3090c0 in ?? () from /usr/lib/libnvcuvid.so.1 #1 0x00007fffec2f0355 in ?? () from /usr/lib/libnvcuvid.so.1 #2 0x00007fffec2ddf75 in ?? () from /usr/lib/libnvcuvid.so.1 #3 0x00007fffec2dea68 in ?? () from /usr/lib/libnvcuvid.so.1 #4 0x00007fffec352eec in ?? () from /usr/lib/libnvcuvid.so.1 #5 0x00007fffec353599 in ?? () from /usr/lib/libnvcuvid.so.1 #6 0x00007fffec3ba999 in ?? () from /usr/lib/libnvcuvid.so.1 #7 0x00007fffec35e4c6 in ?? () from /usr/lib/libnvcuvid.so.1 #8 0x00007fffec372eae in ?? () from /usr/lib/libnvcuvid.so.1 #9 0x00007fffec355fd5 in ?? () from /usr/lib/libnvcuvid.so.1 #10 0x00007ffff36b2743 in ?? () from /usr/lib/libnvidia-encode.so.1 #11 0x00007ffff36ad99a in ?? () from /usr/lib/libnvidia-encode.so.1 #12 0x00007ffff36bce59 in ?? () from /usr/lib/libnvidia-encode.so.1 #13 0x00007ffff669b435 in nvenc_setup_encoder (avctx=avctx@entry=0x100057bc0) at libavcodec/nvenc.c:1228 #14 0x00007ffff669cc8e in ff_nvenc_encode_init (avctx=0x100057bc0) at libavcodec/nvenc.c:1512 #15 0x00007ffff6c8ad6d in avcodec_open2 (avctx=0x100057bc0, codec=0x7ffff72e0200 , options=0x1000575a0) at libavcodec/utils.c:930 #16 0x0000000100027183 in init_output_stream (ost=, error=0x7fffffffd440 "", error_len=1024) at fftools/ffmpeg.c:3525 #17 0x0000000100029091 in reap_filters (flush=0) at fftools/ffmpeg.c:1446 #18 0x000000010002c349 in transcode_step () at fftools/ffmpeg.c:4651 #19 transcode () at fftools/ffmpeg.c:4695 #20 0x000000010000c7ae in main (argc=16, argv=0x7fffffffe288) at fftools/ffmpeg.c:4902