[FFmpeg-trac] #8731(avcodec:new): videotoolbox decoding HEVC too slow for realtime
FFmpeg
trac at avcodec.org
Fri Jun 12 16:41:11 EEST 2020
#8731: videotoolbox decoding HEVC too slow for realtime
-------------------------------------+-------------------------------------
Reporter: der_richter | Type:
| enhancement
Status: new | Priority: normal
Component: avcodec | Version: git-
Keywords: | master
videotoolbox | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
following 4k HEVC sample decodes too slow with videotoolbox for realtime
playback.
sample file can be found here: https://0x0.st/iVhx.mkv
related mpv issue: https://github.com/mpv-player/mpv/issues/5609
{{{
ffmpeg -hwaccel videotoolbox -i
"/Volumes/AkemiData/Downloads/ffmpeg_videotoolbox_issues/iVhx.mkv" -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, matroska,webm, from
'/Volumes/AkemiData/Downloads/d2/BladeRunner2049-1.mkv':
Metadata:
encoder : libebml v1.3.7 + libmatroska v1.5.0
creation_time : 2020-06-12T13:35:58.000000Z
Duration: 00:00:16.67, start: 0.025000, bitrate: 52817 kb/s
Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv,
bt2020nc/bt2020/smpte2084), 3840x2160 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98
tbr, 1k tbn, 23.98 tbc (default)
Metadata:
BPS-eng : 53609224
DURATION-eng : 00:00:16.225000000
NUMBER_OF_FRAMES-eng: 389
NUMBER_OF_BYTES-eng: 108726209
_STATISTICS_WRITING_APP-eng: mkvmerge v34.0.0 ('Sight and Seen')
64-bit
_STATISTICS_WRITING_DATE_UTC-eng: 2020-06-12 13:35:58
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 640 kb/s
Metadata:
BPS-eng : 640000
DURATION-eng : 00:00:16.672000000
NUMBER_OF_FRAMES-eng: 521
NUMBER_OF_BYTES-eng: 1333760
_STATISTICS_WRITING_APP-eng: mkvmerge v34.0.0 ('Sight and Seen')
64-bit
_STATISTICS_WRITING_DATE_UTC-eng: 2020-06-12 13:35:58
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream mapping:
Stream #0:0 -> #0:0 (hevc (native) -> wrapped_avframe (native))
Stream #0:1 -> #0:1 (ac3 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[hevc @ 0x7fb9c3021a00] First slice in a frame missing.
Last message repeated 6 times
[hevc @ 0x7fb9c302cc00] First slice in a frame missing.
Last message repeated 6 times
Output #0, null, to 'pipe:':ze=N/A time=-577014:32:22.77 bitrate=N/A
speed=N/A
Metadata:
encoder : Lavf58.46.101
Stream #0:0: Video: wrapped_avframe, p010le, 3840x2160 [SAR 1:1 DAR
16:9], q=2-31, 200 kb/s, 23.98 fps, 23.98 tbn, 23.98 tbc (default)
Metadata:
BPS-eng : 53609224
DURATION-eng : 00:00:16.225000000
NUMBER_OF_FRAMES-eng: 389
NUMBER_OF_BYTES-eng: 108726209
_STATISTICS_WRITING_APP-eng: mkvmerge v34.0.0 ('Sight and Seen')
64-bit
_STATISTICS_WRITING_DATE_UTC-eng: 2020-06-12 13:35:58
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
encoder : Lavc58.92.100 wrapped_avframe
Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, 5.1(side), s16, 4608
kb/s
Metadata:
BPS-eng : 640000
DURATION-eng : 00:00:16.672000000
NUMBER_OF_FRAMES-eng: 521
NUMBER_OF_BYTES-eng: 1333760
_STATISTICS_WRITING_APP-eng: mkvmerge v34.0.0 ('Sight and Seen')
64-bit
_STATISTICS_WRITING_DATE_UTC-eng: 2020-06-12 13:35:58
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
encoder : Lavc58.92.100 pcm_s16le
frame= 387 fps= 17 q=-0.0 Lsize=N/A time=00:00:16.67 bitrate=N/A
speed=0.726x
video:203kB audio:9378kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8731>
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