[FFmpeg-trac] #5764(undetermined:closed): ffmpeg deadlock with first pass x264 encode with >=slower and bitrate set
FFmpeg
trac at avcodec.org
Thu Aug 11 02:58:24 EEST 2016
#5764: ffmpeg deadlock with first pass x264 encode with >=slower and bitrate set
-------------------------------------+-------------------------------------
Reporter: MonoS | Owner:
Type: defect | Status: closed
Priority: important | Component:
Version: git-master | undetermined
Keywords: | Resolution:
Blocking: | worksforme
Analyzed by developer: 0 | Blocked By:
| Reproduced by developer: 0
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* status: new => closed
* resolution: => worksforme
Comment:
Please reopen if you can provide a backtrace, your report indicates a
hardware issue afaict.
{{{
$ ffmpeg -i ffmpeg\ deadlock\ on\ 1pass.mkv -c:v libx264 -preset slower
-b:v 9102k -f null -
ffmpeg version N-81311-g16ea0bc Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 4.8 (SUSE Linux)
configuration: --enable-gpl --enable-libx264
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 51.100 / 57. 51.100
libavformat 57. 46.100 / 57. 46.100
libavdevice 57. 0.102 / 57. 0.102
libavfilter 6. 50.100 / 6. 50.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
Input #0, matroska,webm, from 'ffmpeg deadlock on 1pass.mkv':
Metadata:
encoder : libebml v1.3.4 + libmatroska v1.4.5
creation_time : 2016-08-10 10:41:07
Duration: 00:02:47.21, start: 0.000000, bitrate: 18018 kb/s
Stream #0:0: Video: h264 (High), yuv420p(tv, bt709), 1920x1080 [SAR
1:1 DAR 16:9], 24 fps, 24 tbr, 1k tbn, 48 tbc
Metadata:
BPS : 18016041
BPS-eng : 18016041
DURATION : 00:02:47.209000000
DURATION-eng : 00:02:47.209000000
NUMBER_OF_FRAMES: 4013
NUMBER_OF_FRAMES-eng: 4013
NUMBER_OF_BYTES : 376555527
NUMBER_OF_BYTES-eng: 376555527
_STATISTICS_WRITING_APP: mkvmerge v9.3.1 ('Mask Machine') 64bit
_STATISTICS_WRITING_APP-eng: mkvmerge v9.3.1 ('Mask Machine') 64bit
_STATISTICS_WRITING_DATE_UTC: 2016-08-10 10:41:07
_STATISTICS_WRITING_DATE_UTC-eng: 2016-08-10 10:41:07
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
[libx264 @ 0x1f87ce0] using SAR=1/1
[libx264 @ 0x1f87ce0] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
SlowShuffle
[libx264 @ 0x1f87ce0] profile High, level 5.0
[null @ 0x1f8ad60] Using AVStream.codec to pass codec parameters to muxers
is deprecated, use AVStream.codecpar instead.
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf57.46.100
Stream #0:0: Video: h264 (libx264), yuv420p, 1920x1080 [SAR 1:1 DAR
16:9], q=-1--1, 9102 kb/s, 24 fps, 24 tbn, 24 tbc
Metadata:
BPS : 18016041
BPS-eng : 18016041
DURATION : 00:02:47.209000000
DURATION-eng : 00:02:47.209000000
NUMBER_OF_FRAMES: 4013
NUMBER_OF_FRAMES-eng: 4013
NUMBER_OF_BYTES : 376555527
NUMBER_OF_BYTES-eng: 376555527
_STATISTICS_WRITING_APP: mkvmerge v9.3.1 ('Mask Machine') 64bit
_STATISTICS_WRITING_APP-eng: mkvmerge v9.3.1 ('Mask Machine') 64bit
_STATISTICS_WRITING_DATE_UTC: 2016-08-10 10:41:07
_STATISTICS_WRITING_DATE_UTC-eng: 2016-08-10 10:41:07
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
encoder : Lavc57.51.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/9102000 buffer size: 0 vbv_delay: -1
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 4013 fps=1.1 q=-1.0 Lsize=N/A time=00:02:47.12 bitrate=N/A
speed=0.0441x
video:197002kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
[libx264 @ 0x1f87ce0] frame I:20 Avg QP:10.07 size:114202
[libx264 @ 0x1f87ce0] frame P:1251 Avg QP:14.41 size: 63829
[libx264 @ 0x1f87ce0] frame B:2742 Avg QP:14.99 size: 43617
[libx264 @ 0x1f87ce0] consecutive B-frames: 3.0% 6.6% 33.5% 56.9%
[libx264 @ 0x1f87ce0] mb I I16..4: 44.8% 47.5% 7.7%
[libx264 @ 0x1f87ce0] mb P I16..4: 5.2% 15.3% 1.3% P16..4: 28.6% 9.3%
5.3% 0.1% 0.0% skip:34.9%
[libx264 @ 0x1f87ce0] mb B I16..4: 1.2% 3.3% 0.3% B16..8: 31.9% 8.9%
1.8% direct: 8.9% skip:43.8% L0:52.7% L1:41.0% BI: 6.3%
[libx264 @ 0x1f87ce0] final ratefactor: 17.59
[libx264 @ 0x1f87ce0] 8x8 transform intra:68.7% inter:68.5%
[libx264 @ 0x1f87ce0] direct mvs spatial:99.1% temporal:0.9%
[libx264 @ 0x1f87ce0] coded y,uvDC,uvAC intra: 74.6% 59.3% 26.4% inter:
31.4% 22.5% 3.3%
[libx264 @ 0x1f87ce0] i16 v,h,dc,p: 42% 16% 25% 18%
[libx264 @ 0x1f87ce0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 7% 9% 13% 10% 14%
11% 14% 9% 12%
[libx264 @ 0x1f87ce0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 14% 16% 22% 6% 8%
7% 10% 6% 11%
[libx264 @ 0x1f87ce0] i8c dc,h,v,p: 51% 25% 16% 8%
[libx264 @ 0x1f87ce0] Weighted P-Frames: Y:11.8% UV:7.0%
[libx264 @ 0x1f87ce0] ref P L0: 42.2% 6.1% 17.8% 9.8% 7.6% 6.6% 5.5%
3.8% 0.6% 0.0%
[libx264 @ 0x1f87ce0] ref B L0: 63.3% 15.6% 8.8% 4.7% 3.8% 2.6% 1.2%
[libx264 @ 0x1f87ce0] ref B L1: 95.2% 4.8%
[libx264 @ 0x1f87ce0] kb/s:9651.69
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5764#comment:1>
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