On Tue, Jun 07, 2022 at 03:08:28PM +0800, Fei Wang wrote: > From: Xu Guangxin > > We will generate a new frame for a missed reference. The frame can only > be used for reference. We assign an invalid decode sequence to it, so > it will not be involved in any dpb process. > > Tested-by: Fei Wang > Signed-off-by: Xu Guangxin > --- > libavcodec/hevc_refs.c | 13 ++++++++++++- > libavcodec/hevcdec.c | 4 ++-- > libavcodec/hevcdec.h | 3 +++ > 3 files changed, 17 insertions(+), 3 deletions(-) This causes segfaults Thread 9 "ffmpeg_g" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffcc5ad700 (LWP 14108)] 0x00005555564b88c0 in ff_emu_edge_vfix19_sse () (gdb) bt #0 0x00005555564b88c0 in ff_emu_edge_vfix19_sse () #1 0x00005555561c515c in emulated_edge_mc_avx2 () #2 0x0000555555d21bc8 in hls_prediction_unit.isra () #3 0x0000555555d2420b in hls_coding_quadtree () #4 0x0000555555d2338d in hls_coding_quadtree () #5 0x0000555555d25371 in hls_decode_entry () #6 0x0000555555bd77e5 in avcodec_default_execute () #7 0x0000555555d2a00f in hevc_decode_frame () #8 0x0000555555edc5a3 in frame_worker_thread () #9 0x00007ffff75fc6db in start_thread (arg=0x7fffcc5ad700) at pthread_create.c:463 #10 0x00007fffed17061f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB I do not agree with what you have to say, but I'll defend to the death your right to say it. -- Voltaire