On 05.09.2021 20:02, Dylan Fernando wrote:
Impossible to convert between the formats supported by the filter 'graph 0 input from stream 0:0' and the filter 'auto_scale_0' Thread 1 "ffmpeg" received signal SIGSEGV, Segmentation fault. 0x00005555556726eb in uninit (ctx=0x55555817e800) at libavfilter/vf_nlmeans_cuda.c:704 704 CudaFunctions *cu = s->hwctx->internal->cuda_dl;
Seems like some error state can cause uninit to be called before the hwctx is properly set up.
So it needs a guard against that case.
(gdb) backtrace
#0 0x00005555556726eb in uninit (ctx=0x55555817e800) at
libavfilter/vf_nlmeans_cuda.c:704
#1 0x0000555555742e65 in avfilter_free (filter=0x55555817e800) at
libavfilter/avfilter.c:769
#2 0x0000555555744cac in avfilter_graph_free (graph=0x55555716ded0) at
libavfilter/avfiltergraph.c:126
#3 0x0000555555707ae0 in cleanup_filtergraph (fg=0x55555716dec0) at
fftools/ffmpeg_filter.c:952
#4 configure_filtergraph (fg=fg@entry=0x55555716dec0) at
fftools/ffmpeg_filter.c:1130
#5 0x000055555571b060 in ifilter_send_frame (frame=0x555557a72d00,
ifilter=0x55555716db40) at fftools/ffmpeg.c:2242
#6 send_frame_to_filters (ist=ist@entry=0x55555716c5c0,
decoded_frame=decoded_frame@entry=0x555557a72d00) at fftools/ffmpeg.c:2323
#7 0x000055555571c204 in decode_video (decode_failed=<optimized out>,
eof=<optimized out>, duration_pts=<optimized out>, got_output=<optimized
out>, pkt=<optimized out>, ist=<optimized out>)
at fftools/ffmpeg.c:2520
#8 process_input_packet (ist=ist@entry=0x55555716c5c0, pkt=0x55555716c7c0,
no_eof=no_eof@entry=0) at fftools/ffmpeg.c:2682
#9 0x000055555571daee in process_input (file_index=<optimized out>) at
fftools/ffmpeg.c:4636
#10 transcode_step () at fftools/ffmpeg.c:4776
#11 transcode () at fftools/ffmpeg.c:4830
#12 0x00005555556f84a7 in main (argc=<optimized out>, argv=<optimized out>)
at fftools/ffmpeg.c:5035
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