On Sun, May 27, 2018 at 10:27:39PM +0200, Jerome Borsboom wrote: > Out-of-bounds reference pixel replication should take into account the frame > coding mode of the reference frame(s), not the frame coding mode of the > current frame. > > Signed-off-by: Jerome Borsboom <jerome.borsb...@carpalis.nl> > --- > This should fix the remaining issue with the SA10180.vc1 test file. > > libavcodec/vc1_mc.c | 659 > ++++++++++++++++++++++++++++++---------------------- > 1 file changed, 379 insertions(+), 280 deletions(-)
This causes segfaults
Program received signal SIGSEGV, Segmentation fault.
0x0000000000c36920 in ff_emu_edge_vfix18_sse ()
(gdb) bt
Python Exception <type 'exceptions.ImportError'> No module named gdb.frames:
#0 0x0000000000c36920 in ff_emu_edge_vfix18_sse ()
#1 0x00000000009e6426 in emulated_edge_mc (dst=<optimized out>, src=<optimized
out>, dst_stride=<optimized out>, src_stride=<optimized out>,
block_w=<optimized out>, block_h=<optimized out>, src_x=<optimized out>,
src_y=<optimized out>, w=<optimized out>, h=<optimized out>,
vfix_tbl=<optimized out>,
v_extend_var=<optimized out>, hfix_tbl=<optimized out>,
h_extend_var=<optimized out>) at libavcodec/x86/videodsp_init.c:195
#2 0x00000000009e6289 in emulated_edge_mc_sse2 (buf=0x1db3541 "", src=0x300
<error: Cannot access memory at address 0x300>, buf_stride=140737352976960,
src_stride=768, block_w=<optimized out>, block_h=<optimized out>, src_x=-1,
src_y=-2, w=720, h=240) at libavcodec/x86/videodsp_init.c:256
#3 0x0000000000913cee in ff_vc1_mc_1mv (v=0x1d01200, dir=<optimized out>) at
libavcodec/vc1_mc.c:323
#4 0x00000000009086d4 in vc1_decode_p_mb_intfi (v=<optimized out>) at
libavcodec/vc1_block.c:1758
#5 0x0000000000906516 in vc1_decode_p_blocks (v=<optimized out>) at
libavcodec/vc1_block.c:2796
#6 0x000000000091b1c8 in vc1_decode_frame (avctx=0x1c46500, data=0x1c91ec0,
got_frame=0x7fffffffd6c4, avpkt=<optimized out>) at libavcodec/vc1dec.c:1042
#7 0x00000000006ec6fb in decode_simple_internal (avctx=0x1c46500,
frame=0x1c91ec0) at libavcodec/decode.c:398
#8 0x00000000006ec647 in decode_simple_receive_frame (avctx=0x1c46500,
frame=0x1c91ec0) at libavcodec/decode.c:594
#9 0x00000000006ea0b2 in decode_receive_frame_internal (avctx=<optimized out>,
frame=<optimized out>) at libavcodec/decode.c:612
#10 0x00000000006e9e7d in avcodec_send_packet (avctx=0x1c46500,
avpkt=<optimized out>) at libavcodec/decode.c:674
#11 0x000000000042abda in decode (avctx=0x1c46500, frame=0x1c92600,
got_frame=0x7fffffffd954, pkt=0x300) at fftools/ffmpeg.c:2234
#12 0x000000000042a0e1 in decode_video (ist=0x1c46c40, pkt=0x7fffffffd960,
got_output=0x7fffffffd954, duration_pts=0x7fffffffd958, eof=0,
decode_failed=0x7fffffffd950) at fftools/ffmpeg.c:2378
#13 0x00000000004234bd in process_input_packet (ist=0x1c46c40,
pkt=0x7fffffffdcc0, no_eof=0) at fftools/ffmpeg.c:2619
#14 0x0000000000427574 in process_input (file_index=<optimized out>) at
fftools/ffmpeg.c:4457
#15 0x000000000042263d in transcode_step () at fftools/ffmpeg.c:4577
#16 0x0000000000421081 in transcode () at fftools/ffmpeg.c:4631
#17 0x00000000004207b5 in main (argc=<optimized out>, argv=<optimized out>) at
fftools/ffmpeg.c:4838
rax 0x0 0
rbx 0x1 1
rcx 0x300 768
rdx 0x7ffff7ee4a40 140737352976960
rsi 0x300 768
rdi 0x1db3541 31143233
rbp 0x7fffffffd390 0x7fffffffd390
rsp 0x7fffffffd338 0x7fffffffd338
r8 0x2 2
r9 0x23 35
r10 0x7ffff7ee4a40 140737352976960
r11 0x1db3540 31143232
r12 0x300 768
r13 0x13 19
r14 0x25 37
r15 0x13 19
rip 0xc36920 0xc36920 <ff_emu_edge_vfix18_sse+16>
eflags 0x10202 [ IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
0x0000000000c36900 <ff_emu_edge_vfix17_sse+80>: (bad)
0x0000000000c36901 <ff_emu_edge_vfix17_sse+81>: movd %mm0,0xd(%rdi)
0x0000000000c36905 <ff_emu_edge_vfix17_sse+85>: add %rsi,%rdi
0x0000000000c36908 <ff_emu_edge_vfix17_sse+88>: dec %rax
0x0000000000c3690b <ff_emu_edge_vfix17_sse+91>: jne 0xc368fe
<ff_emu_edge_vfix17_sse+78>
0x0000000000c3690d <ff_emu_edge_vfix17_sse+93>: repz retq
0x0000000000c3690f <ff_emu_edge_vfix17_sse+95>: nop
0x0000000000c36910 <ff_emu_edge_vfix18_sse+0>: mov 0x8(%rsp),%rax
0x0000000000c36915 <ff_emu_edge_vfix18_sse+5>: sub %r9,%rax
0x0000000000c36918 <ff_emu_edge_vfix18_sse+8>: sub %r8,%r9
0x0000000000c3691b <ff_emu_edge_vfix18_sse+11>: test %r8,%r8
0x0000000000c3691e <ff_emu_edge_vfix18_sse+14>: je 0xc36936
<ff_emu_edge_vfix18_sse+38>
=> 0x0000000000c36920 <ff_emu_edge_vfix18_sse+16>: movups (%rdx),%xmm0
0x0000000000c36923 <ff_emu_edge_vfix18_sse+19>: movd 0xe(%rdx),%mm0
0x0000000000c36927 <ff_emu_edge_vfix18_sse+23>: movups %xmm0,(%rdi)
0x0000000000c3692a <ff_emu_edge_vfix18_sse+26>: movd %mm0,0xe(%rdi)
0x0000000000c3692e <ff_emu_edge_vfix18_sse+30>: add %rsi,%rdi
0x0000000000c36931 <ff_emu_edge_vfix18_sse+33>: dec %r8
0x0000000000c36934 <ff_emu_edge_vfix18_sse+36>: jne 0xc36927
<ff_emu_edge_vfix18_sse+23>
0x0000000000c36936 <ff_emu_edge_vfix18_sse+38>: movups (%rdx),%xmm0
0x0000000000c36939 <ff_emu_edge_vfix18_sse+41>: movd 0xe(%rdx),%mm0
0x0000000000c3693d <ff_emu_edge_vfix18_sse+45>: movups %xmm0,(%rdi)
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
No human being will ever know the Truth, for even if they happen to say it
by chance, they would not even known they had done so. -- Xenophanes
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