[FFmpeg-trac] #8734(avcodec:new): videotoolbox decoding h264 60fps too slow for realtime
FFmpeg
trac at avcodec.org
Fri Jun 12 17:03:30 EEST 2020
#8734: videotoolbox decoding h264 60fps too slow for realtime
-------------------------------------+-------------------------------------
Reporter: der_richter | Type: defect
Status: new | Priority: normal
Component: avcodec | Version: git-
Keywords: | master
videotoolbox | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
following h264 60fps sample can't be decoded in realtime with videotoolbox
decoding. quicktime player and vlc both can decode (with
videotoolbox/hwdec) and playback that sample without issues.
sample file:
http://distribution.bbb3d.renderfarming.net/video/mp4/bbb_sunflower_2160p_60fps_normal.mp4
mpv issue: https://github.com/mpv-player/mpv/issues/5536
{{{
akemi$ ffmpeg -hwaccel videotoolbox -i
"/Volumes/AkemiData/Downloads/bbb_sunflower_2160p_60fps_normal.mp4" -f
null -
ffmpeg version git-2020-06-11-bc8ab084 Copyright (c) 2000-2020 the FFmpeg
developers
built with Apple clang version 11.0.0 (clang-1100.0.33.12)
configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD-bc8ab08 --enable-
shared --enable-pthreads --enable-version3 --enable-avresample
--cc=/usr/bin/clang --host-cflags='-Os -w -pipe -march=nehalem -mmacosx-
version-min=10.14
-isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk -fno-
stack-check' --host-ldflags='-L/usr/local/opt/openssl at 1.1/lib
-L/usr/local/opt/libxml2/lib -L/usr/local/opt/python at 3.8/lib
-L/usr/local/opt/sqlite/lib -L/usr/local/opt/readline/lib
-L/usr/local/opt/openssl at 1.1/lib -L/usr/local/lib -F/usr/local/Frameworks
-Wl,-headerpad_max_install_names
-isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk'
--enable-ffplay --enable-gpl --enable-libaom --enable-libbluray --enable-
libdav1d --enable-libmp3lame --enable-libopus --enable-librubberband
--enable-libsnappy --enable-libsrt --enable-libtesseract --enable-
libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-
libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma
--enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-
libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-
videotoolbox --disable-libjack --disable-indev=jack --enable-gpl --enable-
nonfree --enable-hardcoded-tables --enable-libfdk-aac --enable-libgme
--enable-libbs2b --enable-libgsm --enable-libxml2 --enable-openssl
--enable-libwavpack --enable-libzmq --enable-libzimg --enable-opencl
libavutil 56. 54.100 / 56. 54.100
libavcodec 58. 92.100 / 58. 92.100
libavformat 58. 46.101 / 58. 46.101
libavdevice 58. 11.100 / 58. 11.100
libavfilter 7. 86.100 / 7. 86.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 8.100 / 5. 8.100
libswresample 3. 8.100 / 3. 8.100
libpostproc 55. 8.100 / 55. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/Volumes/AkemiData/Downloads/bbb_sunflower_2160p_60fps_normal.mp4':
Metadata:
major_brand : isom
minor_version : 1
compatible_brands: isomavc1
creation_time : 2013-12-17T16:40:26.000000Z
title : Big Buck Bunny, Sunflower version
artist : Blender Foundation 2008, Janus Bager Kristensen 2013
comment : Creative Commons Attribution 3.0 -
http://bbb3d.renderfarming.net
genre : Animation
composer : Sacha Goedegebure
Duration: 00:10:34.53, start: 0.000000, bitrate: 8487 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
3840x2160 [SAR 1:1 DAR 16:9], 8002 kb/s, 60 fps, 60 tbr, 60k tbn, 120 tbc
(default)
Metadata:
creation_time : 2013-12-17T16:40:26.000000Z
handler_name : GPAC ISO Video Handler
Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo,
fltp, 160 kb/s (default)
Metadata:
creation_time : 2013-12-17T16:40:28.000000Z
handler_name : GPAC ISO Audio Handler
Stream #0:2(und): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, 5.1(side),
fltp, 320 kb/s (default)
Metadata:
creation_time : 2013-12-17T16:40:28.000000Z
handler_name : GPAC ISO Audio Handler
Side data:
audio service type: main
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
Stream #0:2 -> #0:1 (ac3 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
GVA info: Successfully connected to the Intel plugin, offline Gen9
Output #0, null, to 'pipe:':ze=N/A time=-577014:32:22.77 bitrate=N/A
speed=N/A
Metadata:
major_brand : isom
minor_version : 1
compatible_brands: isomavc1
composer : Sacha Goedegebure
title : Big Buck Bunny, Sunflower version
artist : Blender Foundation 2008, Janus Bager Kristensen 2013
comment : Creative Commons Attribution 3.0 -
http://bbb3d.renderfarming.net
genre : Animation
encoder : Lavf58.46.101
Stream #0:0(und): Video: wrapped_avframe, nv12(progressive), 3840x2160
[SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 60 fps, 60 tbn, 60 tbc (default)
Metadata:
creation_time : 2013-12-17T16:40:26.000000Z
handler_name : GPAC ISO Video Handler
encoder : Lavc58.92.100 wrapped_avframe
Stream #0:1(und): Audio: pcm_s16le, 48000 Hz, 5.1(side), s16, 4608
kb/s (default)
Metadata:
creation_time : 2013-12-17T16:40:28.000000Z
handler_name : GPAC ISO Audio Handler
encoder : Lavc58.92.100 pcm_s16le
Side data:
audio service type: main
frame= 592 fps= 40 q=-0.0 Lsize=N/A time=00:00:09.90 bitrate=N/A
speed=0.676x
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8734>
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