[FFmpeg-trac] #4643(undetermined:reopened): Multiple "Past duration 0.XXXXXX too large" and "dup=0 drop=1" messages when reencoding a H.264 source to x264
FFmpeg
trac at avcodec.org
Tue Aug 23 13:55:16 EEST 2016
#4643: Multiple "Past duration 0.XXXXXX too large" and "dup=0 drop=1" messages
when reencoding a H.264 source to x264
-------------------------------------+-------------------------------------
Reporter: birdie | Owner:
Type: defect | Status: reopened
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by birdie):
Replying to [comment:19 cehoyos]:
> Is the issue reproducible with current FFmpeg git head?
./ffmpeg -i *flv -c:v libx264 -preset veryslow out.mkv
ffmpeg version N-81438-g77bf96b Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 6.1.1 (GCC) 20160621 (Red Hat 6.1.1-3)
configuration: --enable-fontconfig --enable-libfreetype --enable-libopus
--enable-opengl --enable-openssl --enable-x11grab --enable-pic --enable-
avresample --enable-gpl --enable-version3 --enable-nonfree --disable-
shared --enable-static --libdir=/usr/local/lib64 --enable-libx264
--enable-libx265 --enable-libfdk-aac --disable-lto
libavutil 55. 29.100 / 55. 29.100
libavcodec 57. 54.100 / 57. 54.100
libavformat 57. 48.100 / 57. 48.100
libavdevice 57. 0.102 / 57. 0.102
libavfilter 6. 52.100 / 6. 52.100
libavresample 3. 0. 0 / 3. 0. 0
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
[flv @ 0x3078040] audio stream discovered after head already parsed
[flv @ 0x3078040] video stream discovered after head already parsed
Input #0, flv, from 'stream_xCleopatraxx.flv':
Duration: 01:58:39.28, start: 4775.088000, bitrate: 218 kb/s
Stream #0:0: Audio: nellymoser, 44100 Hz, mono, flt
Stream #0:1: Video: h264 (Baseline), yuv420p(tv), 640x480 [SAR 1:1 DAR
4:3], 30.30 fps, 15 tbr, 1k tbn, 60 tbc
[libx264 @ 0x307a420] using SAR=1/1
[libx264 @ 0x307a420] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x307a420] profile High, level 3.2
[libx264 @ 0x307a420] 264 - core 148 r2699 a5e06b9 - H.264/MPEG-4 AVC
codec - Copyleft 2003-2016 - 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=6
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=15
scenecut=40 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=23.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[matroska @ 0x307c200] Using AVStream.codec to pass codec parameters to
muxers is deprecated, use AVStream.codecpar instead.
Last message repeated 1 times
Output #0, matroska, to 'out.mkv':
Metadata:
encoder : Lavf57.48.100
Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv420p,
640x480 [SAR 1:1 DAR 4:3], q=-1--1, 15 fps, 1k tbn, 15 tbc
Metadata:
encoder : Lavc57.54.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 44100 Hz, mono, fltp,
delay 256, padding 0, 96 kb/s
Metadata:
encoder : Lavc57.54.100 ac3
Stream mapping:
Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #0:0 -> #0:1 (nellymoser (native) -> ac3 (native))
Press [q] to stop, [?] for help
Past duration 0.729988 too large 147kB time=00:00:09.67 bitrate=
124.3kbits/s speed=3.99x
Past duration 0.799995 too large
Past duration 0.929985 too large 175kB time=00:00:10.37 bitrate=
138.1kbits/s speed=3.54x
Past duration 0.879997 too large
Past duration 0.874992 too large
Past duration 0.719994 too large
Past duration 0.714989 too large
Past duration 0.829994 too large
Past duration 0.764992 too large
Past duration 0.909996 too large
Past duration 0.994987 too large
Past duration 0.764992 too large
Past duration 0.864998 too large 209kB time=00:00:11.03 bitrate=
155.1kbits/s speed=2.92x
Past duration 0.829994 too large
Past duration 0.914986 too large
Past duration 0.894997 too large
Past duration 0.889992 too large
Past duration 0.794991 too large
Past duration 0.744987 too large
Past duration 0.844994 too large
Past duration 0.824989 too large 236kB time=00:00:11.59 bitrate=
166.7kbits/s speed=2.68x
Past duration 0.924995 too large
Past duration 0.919991 too large
Past duration 0.764992 too large
Past duration 0.789986 too large
Past duration 0.844994 too large
Past duration 0.779991 too large 262kB time=00:00:12.01 bitrate=
179.0kbits/s speed=2.46x
Past duration 0.954994 too large
Past duration 0.904991 too large
Past duration 0.809990 too large
Past duration 0.744987 too large
Past duration 0.844994 too large
Past duration 0.734993 too large 293kB time=00:00:12.42 bitrate=
193.0kbits/s speed= 2.3x
Past duration 0.939995 too large
Past duration 0.934990 too large
Past duration 0.629997 too large
Past duration 0.820000 too large
Past duration 0.784996 too large
Past duration 0.899986 too large
^C^Cav_interleaved_write_frame(): Immediate exit requested8 bitrate=
206.0kbits/s speed= 2.1x
^CReceived > 3 system signals, hard exiting
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4643#comment:20>
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