[FFmpeg-trac] #7798(undetermined:new): hls muxer often generates segments shorter than -hls_time
FFmpeg
trac at avcodec.org
Sat Mar 16 14:00:34 EET 2019
#7798: hls muxer often generates segments shorter than -hls_time
-------------------------------------+-------------------------------------
Reporter: JoshuaWalsh | Owner:
Type: defect | Status: new
Priority: normal | Component:
| undetermined
Version: git-master | Resolution:
Keywords: hls | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by JoshuaWalsh):
Thanks for the feedback. I have reproduced the issue with more minimal
settings. It turns out yadif, libfdk, piped input, and stream mapping were
all extraneous.
{{{
$ ffmpeg -nostdin -i ./4minutetest.mp4 -vcodec libx264 -preset veryfast
-acodec aac -b:a 128k -hls_init_time 5 -hls_time 5 -hls_list_size 5
-hls_allow_cache 0 ./output/index.m3u8
ffmpeg version 3.4.4-0ubuntu0.18.04.1 Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1
--toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
--incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping
--enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa
--enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
--enable-libcdio --enable-libflite --enable-libfontconfig --enable-
libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-
libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
--enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
--enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis
--enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265
--enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
--enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-
libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint
--enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from './4minutetest.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:04:00.02, start: 0.000000, bitrate: 5381 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
1920x1080 [SAR 1:1 DAR 16:9], 5033 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc
(default)
Metadata:
handler_name : VideoHandler
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1,
fltp, 342 kb/s (default)
Metadata:
handler_name : SoundHandler
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #0:1 -> #0:1 (aac (native) -> aac (native))
[libx264 @ 0x7fffeb49a300] using SAR=1/1
[libx264 @ 0x7fffeb49a300] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x7fffeb49a300] profile High, level 4.0
[libx264 @ 0x7fffeb49a300] 264 - core 152 r2854 e9a5903 - H.264/MPEG-4 AVC
codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options:
cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1
psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=24
lookahead_threads=8 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
b_bias=0 direct=1 weightb=1 open_gop=0 weightp=1 keyint=250 keyint_min=25
scenecut=40 intra_refresh=0 rc_lookahead=10 rc=crf mbtree=1 crf=23.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[hls @ 0x7fffeb48e2e0] Opening './output/index0.ts' for writing
Output #0, hls, to './output/index.m3u8':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Stream #0:0(und): Video: h264 (libx264), yuv420p, 1920x1080 [SAR 1:1
DAR 16:9], q=-1--1, 25 fps, 90k tbn, 25 tbc (default)
Metadata:
handler_name : VideoHandler
encoder : Lavc57.107.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1(eng): Audio: aac (LC), 48000 Hz, 5.1, fltp, 128 kb/s
(default)
Metadata:
handler_name : SoundHandler
encoder : Lavc57.107.100 aac
[hls @ 0x7fffeb48e2e0] Opening './output/index1.ts' for writingA
speed=4.66x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index2.ts' for writingA
speed=5.18x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index3.ts' for writingA speed=
5.3x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index4.ts' for writingA
speed=5.37x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index5.ts' for writingA
speed=5.35x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index6.ts' for writingA
speed=5.96x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index7.ts' for writingA speed=
6.1x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index8.ts' for writingA
speed=5.99x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index9.ts' for writingA
speed=5.88x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index10.ts' for writing
speed=5.78x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index11.ts' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index12.ts' for writing
speed=5.81x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index13.ts' for writing speed=
5.8x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index14.ts' for writing
speed=5.86x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index15.ts' for writing
speed=5.95x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index16.ts' for writing
speed=5.92x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index17.ts' for writing
speed=5.95x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index18.ts' for writing
speed=6.02x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index19.ts' for writing
speed=6.07x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index20.ts' for writing
speed=6.08x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index21.ts' for writing
speed=6.08x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index22.ts' for writing
speed=6.14x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index23.ts' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index24.ts' for writing
speed=6.23x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index25.ts' for writing
speed=6.26x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index26.ts' for writing
speed=6.26x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index27.ts' for writing
speed=6.23x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index28.ts' for writing
speed=6.18x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index29.ts' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index30.ts' for writing
speed=6.17x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index31.ts' for writing
speed=6.21x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index32.ts' for writing
speed=6.26x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index33.ts' for writing
speed=6.27x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index34.ts' for writing
speed=6.26x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index35.ts' for writing
speed=6.24x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index36.ts' for writing
speed=6.17x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index37.ts' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index38.ts' for writing
speed=6.17x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index39.ts' for writing
speed=6.23x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index40.ts' for writing speed=
6.2x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index41.ts' for writing
speed=6.17x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index42.ts' for writing
speed=6.15x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index43.ts' for writing
speed=6.17x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index44.ts' for writing
speed=6.16x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index45.ts' for writing
speed=6.16x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index46.ts' for writing
speed=6.19x
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writing
[hls @ 0x7fffeb48e2e0] Opening './output/index.m3u8.tmp' for writinged=
6.2x
frame= 6000 fps=155 q=-1.0 Lsize=N/A time=00:04:00.00 bitrate=N/A
speed=6.18x
video:119576kB audio:3763kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: unknown
[libx264 @ 0x7fffeb49a300] frame I:59 Avg QP:20.09 size:115507
[libx264 @ 0x7fffeb49a300] frame P:2012 Avg QP:22.57 size: 36698
[libx264 @ 0x7fffeb49a300] frame B:3929 Avg QP:24.85 size: 10637
[libx264 @ 0x7fffeb49a300] consecutive B-frames: 3.6% 25.9% 3.6% 66.8%
[libx264 @ 0x7fffeb49a300] mb I I16..4: 14.8% 57.1% 28.1%
[libx264 @ 0x7fffeb49a300] mb P I16..4: 9.1% 12.5% 1.6% P16..4: 28.2%
12.4% 5.6% 0.0% 0.0% skip:30.7%
[libx264 @ 0x7fffeb49a300] mb B I16..4: 1.6% 1.6% 0.2% B16..8: 14.2%
4.3% 0.6% direct: 4.2% skip:73.3% L0:38.5% L1:44.7% BI:16.8%
[libx264 @ 0x7fffeb49a300] 8x8 transform intra:52.7% inter:61.3%
[libx264 @ 0x7fffeb49a300] coded y,uvDC,uvAC intra: 43.5% 35.7% 4.2%
inter: 8.5% 8.9% 0.2%
[libx264 @ 0x7fffeb49a300] i16 v,h,dc,p: 36% 43% 15% 7%
[libx264 @ 0x7fffeb49a300] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 32% 25% 3%
3% 3% 3% 3% 4%
[libx264 @ 0x7fffeb49a300] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 67% 7% 2%
2% 2% 3% 2% 3%
[libx264 @ 0x7fffeb49a300] i8c dc,h,v,p: 59% 19% 19% 3%
[libx264 @ 0x7fffeb49a300] Weighted P-Frames: Y:3.1% UV:1.7%
[libx264 @ 0x7fffeb49a300] kb/s:4081.50
[aac @ 0x7fffeb48c380] Qavg: 228.645
}}}
Resulting segments are between 2 and 12 seconds long. I will attach a
-report log file shortly.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7798#comment:2>
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