[FFmpeg-trac] #7456(avcodec:new): aomdec decodes video faster than libaom-av1 decoder in ffmpeg
FFmpeg
trac at avcodec.org
Tue Sep 25 12:11:17 EEST 2018
#7456: aomdec decodes video faster than libaom-av1 decoder in ffmpeg
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Reporter: kagami | Owner:
Type: defect | Status: new
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: libaom | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by kagami):
Yes, timing is about the same:
{{{
$ time ./ffmpeg -i dua.ivf -nostats -f null -
ffmpeg version N-92054-ga7429d853d Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 8.2.0 (Gentoo 8.2.0-r2 p1.2)
configuration: --enable-libaom
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 31.100 / 58. 31.100
libavformat 58. 18.102 / 58. 18.102
libavdevice 58. 4.104 / 58. 4.104
libavfilter 7. 32.100 / 7. 32.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
[libaom-av1 @ 0x559d38735fc0] v1.0.0
Input #0, ivf, from 'dua.ivf':
Duration: 00:00:10.00, start: 0.000000, bitrate: 940 kb/s
Stream #0:0: Video: av1 (Main) (av01 / 0x31307661), yuv420p(tv,
bt709), 1920x1080, 25 fps, 25 tbr, 12800 tbn, 12800 tbc
[libaom-av1 @ 0x559d38739a80] v1.0.0
Stream mapping:
Stream #0:0 -> #0:0 (av1 (libaom-av1) -> wrapped_avframe (native))
Press [q] to stop, [?] for help
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf58.18.102
Stream #0:0: Video: wrapped_avframe, yuv420p, 1920x1080, q=2-31, 200
kb/s, 25 fps, 25 tbn, 25 tbc
Metadata:
encoder : Lavc58.31.100 wrapped_avframe
frame= 250 fps= 64 q=-0.0 Lsize=N/A time=00:00:10.00 bitrate=N/A
speed=2.58x
video:131kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
253% cpu 3.925 total
}}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/7456#comment:2>
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