[FFmpeg-trac] #6664(undetermined:new): ffmpeg concat audio not in sync
FFmpeg
trac at avcodec.org
Tue Sep 19 22:17:15 EEST 2017
#6664: ffmpeg concat audio not in sync
-------------------------------------+-------------------------------------
Reporter: tcwebadmin | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: concat, | Resolution:
ffmpeg | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by tcwebadmin):
Output below:
{{{
#!sh
ffmpeg -threads 0 -f concat -safe 0 -i /tmp/files.txt -vf
"scale=iw*min(560/iw\,320/ih):ih*min(560/iw\,320/ih),
pad=560:320:(560-iw*min(560/iw\,320/ih))/2:(320-ih*min(560/iw\,320/ih))/2"
-preset veryslow -crf 15 -acodec libmp3lame -af aresample=resampler=soxr
-ar 44100 -aspect 16:9 -qp 20 -framerate 30 -ab 128k -ac 1 -vcodec
libx264 -max_muxing_queue_size 9999 -movflags +faststart
/tmp/final_output_video.mp4 -y
ffmpeg version 3.3.4-static http://johnvansickle.com/ffmpeg/ Copyright
(c) 2000-2017 the FFmpeg developers
built with gcc 6.4.0 (Debian 6.4.0-4) 20170820
configuration: --enable-gpl --enable-version3 --enable-static --disable-
debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio
--cc=gcc-6 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-
gray --enable-libfribidi --enable-libass --enable-libfreetype --enable-
libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
libopenjpeg --enable-librubberband --enable-librtmp --enable-libsoxr
--enable-libspeex --enable-libvorbis --enable-libopus --enable-libtheora
--enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-
libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-
libzimg
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100
libpostproc 54. 5.100 / 54. 5.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x4c7c9c0] Auto-inserting h264_mp4toannexb
bitstream filter
Input #0, concat, from '/tmp/files.txt':
Duration: N/A, start: -0.025057, bitrate: 146 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661),
yuvj420p(pc), 560x320 [SAR 1280:1281 DAR 320:183], 18 kb/s, 30 fps, 30
tbr, 15360 tbn, 60 tbc
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, mono,
s16p, 128 kb/s
Metadata:
handler_name : SoundHandler
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #0:1 -> #0:1 (mp3 (native) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
No pixel format specified, yuvj420p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x4c8e100] using SAR=64/63
[libx264 @ 0x4c8e100] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX
[libx264 @ 0x4c8e100] profile High, level 3.1
[libx264 @ 0x4c8e100] 264 - core 152 r19 ba24899 - H.264/MPEG-4 AVC codec
- Copyleft 2003-2017 - http://www.videolan.org/x264.html - options:
cabac=1 ref=16 deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1
psy_rd=1.00:0.00 mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=1
lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=2
b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25
scenecut=40 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=15.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to '/tmp/final_output_video.mp4':
Metadata:
encoder : Lavf57.71.100
Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021),
yuvj420p(pc), 560x320 [SAR 64:63 DAR 16:9], q=-1--1, 30 fps, 15360 tbn, 30
tbc
Metadata:
handler_name : VideoHandler
encoder : Lavc57.89.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1(und): Audio: mp3 (libmp3lame) (i[0][0][0] / 0x0069), 44100
Hz, mono, s16p, 128 kb/s
Metadata:
handler_name : SoundHandler
encoder : Lavc57.89.100 libmp3lame
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x51fdf60] Auto-inserting h264_mp4toannexb
bitstream filter1 drop=0 speed=1.71x
[mp4 @ 0x4c800a0] Starting second pass: moving the moov atom to the
beginning of the filerop=69 speed=0.421x
frame= 1910 fps= 10 q=21.0 Lsize= 4967kB time=00:01:16.41 bitrate=
532.5kbits/s dup=1 drop=69 speed=0.41x
video:3738kB audio:1169kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: 1.229286%
[libx264 @ 0x4c8e100] frame I:15 Avg QP:10.22 size: 39698
[libx264 @ 0x4c8e100] frame P:601 Avg QP:16.86 size: 3558
[libx264 @ 0x4c8e100] frame B:1294 Avg QP:18.66 size: 845
[libx264 @ 0x4c8e100] consecutive B-frames: 10.4% 9.3% 8.8% 41.5% 4.5%
2.5% 1.1% 1.3% 20.7%
[libx264 @ 0x4c8e100] mb I I16..4: 17.9% 41.8% 40.3%
[libx264 @ 0x4c8e100] mb P I16..4: 0.2% 1.8% 0.7% P16..4: 17.7% 8.8%
8.8% 0.5% 0.2% skip:61.3%
[libx264 @ 0x4c8e100] mb B I16..4: 0.0% 0.2% 0.2% B16..8: 13.3% 3.6%
1.4% direct: 1.4% skip:79.9% L0:38.7% L1:41.8% BI:19.6%
[libx264 @ 0x4c8e100] 8x8 transform intra:54.5% inter:52.1%
[libx264 @ 0x4c8e100] direct mvs spatial:99.9% temporal:0.1%
[libx264 @ 0x4c8e100] coded y,uvDC,uvAC intra: 83.9% 89.4% 68.2% inter:
8.1% 9.7% 2.1%
[libx264 @ 0x4c8e100] i16 v,h,dc,p: 35% 32% 6% 27%
[libx264 @ 0x4c8e100] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 19% 8% 7% 9%
9% 10% 11% 12%
[libx264 @ 0x4c8e100] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 17% 8% 7% 11%
10% 11% 10% 13%
[libx264 @ 0x4c8e100] i8c dc,h,v,p: 41% 27% 16% 17%
[libx264 @ 0x4c8e100] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x4c8e100] ref P L0: 67.5% 13.5% 10.5% 3.0% 1.5% 0.9% 0.7%
0.4% 0.4% 0.3% 0.3% 0.2% 0.2% 0.2% 0.2% 0.2%
[libx264 @ 0x4c8e100] ref B L0: 85.1% 8.5% 3.1% 1.1% 0.6% 0.4% 0.3%
0.2% 0.2% 0.2% 0.1% 0.1% 0.1% 0.1% 0.0%
[libx264 @ 0x4c8e100] ref B L1: 97.4% 2.6%
[libx264 @ 0x4c8e100] kb/s:480.88
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6664#comment:2>
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