#11110: Corrupted output on h264 veryslow preset with common hardware decoders
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Reporter: Zeblote | Owner: (none)
Type: defect | Status: closed
Priority: normal | Component: avcodec
Version: git-master | Resolution: invalid
Keywords: h264 | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Zeblote):
It looks like it changed the "ref" parameter from 16 to 5.
On the original out file:
> x264 info 'x264 - core 164 r3191 4613ac3 - H.264/MPEG-4 AVC codec -
Copyleft 2003-2024 - http://www.videolan.org/x264.html - options: cabac=1
ref=16 deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1
psy_rd=1.00:0.00 mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=48
lookahead_threads=8 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=2
b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25
scenecut=40 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=25.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00' (667 bytes)
On the new out file with {{{ -level 5.1 }}}:
> x264 info 'x264 - core 164 r3191 4613ac3 - H.264/MPEG-4 AVC codec -
Copyleft 2003-2024 - http://www.videolan.org/x264.html - options: cabac=1
ref=5 deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1
psy_rd=1.00:0.00 mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=48
lookahead_threads=8 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=2
b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25
scenecut=40 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=25.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00' (666 bytes)
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Ticket URL: <https://trac.ffmpeg.org/ticket/11110#comment:10>
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