[FFmpeg-trac] #1329(undetermined:new): Re: ffmpeg Que input is backward in time

FFmpeg trac at avcodec.org
Mon May 21 10:53:02 CEST 2012


#1329: Re: ffmpeg Que input is backward in time
-------------------------------------+-------------------------------------
             Reporter:  burek        |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by burek):

 I'll ask him to try with -vn and paste the results here. Same for the
 sample file.

 For the second question:

 {{{
 /usr/local/bin/ffmpeg -y -i
 /home/tmp/movies/8DMValgTc9HXlmbZcLhvZMr9azogtoek.mpg -vcodec libx264
 -preset:v medium -s 640x480 -b:v 400k -acodec aac -strict experimental -ab
 48k -ac 2 -ar 44100 /home/tmp/content/movies/7767_tmp.mp4

 ffmpeg version N-40558-g2a793ff Copyright (c) 2000-2012 the FFmpeg
 developers
 built on May 10 2012 21:32:49 with gcc 4.3.0 20080428 (Red Hat 4.3.0-8)
 configuration: --enable-libfaac --enable-libx264 --enable-libmp3lame
 --enable-libxvid --enable-gpl --enable-nonfree
 libavutil 51. 50.100 / 51. 50.100
 libavcodec 54. 21.101 / 54. 21.101
 libavformat 54. 4.100 / 54. 4.100
 libavdevice 53. 4.100 / 53. 4.100
 libavfilter 2. 72.105 / 2. 72.105
 libswscale 2. 1.100 / 2. 1.100
 libswresample 0. 11.100 / 0. 11.100
 libpostproc 52. 0.100 / 52. 0.100
 [mpeg @ 0x9a4e3c0] max_analyze_duration 5000000 reached at 5015467
 Input #0, mpeg, from
 '/home/tmp/movies/PlYt2l3NCHFzjyNoX16GolA9jmd5vqxS.mpg':
 Duration: 26:47:27.73, start: 0.622000, bitrate: 16 kb/s
 Stream #0:0[0x1e0]: Video: mpeg1video, yuv420p, 640x480 [SAR 1:1 DAR 4:3],
 1452 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
 Stream #0:1[0x1c0]: Audio: mp2, 44100 Hz, stereo, s16, 128 kb/s
 [buffer @ 0x9a56540] w:640 h:480 pixfmt:yuv420p tb:1/1000000 sar:1/1
 sws_param:flags=2
 [buffersink @ 0x9a4c320] No opaque field provided
 [scale @ 0x9a4c580] w:640 h:480 fmt:yuv420p sar:1/1 -> w:640 h:480
 fmt:yuv420p sar:1/1 flags:0x4
 Incompatible sample format 's16' for codec 'aac', auto-selecting format
 'flt'
 [libx264 @ 0x9a54fa0] using SAR=1/1
 [libx264 @ 0x9a54fa0] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
 [libx264 @ 0x9a54fa0] profile High, level 3.0
 [libx264 @ 0x9a54fa0] 264 - core 124 r2197 69a0443 - H.264/MPEG-4 AVC
 codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options:
 cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1
 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1
 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12
 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=2 keyint=250 keyint_min=25 scenecut=40
 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=400 ratetol=1.0
 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
 Output #0, mp4, to '/home/tmp/content/movies/7762_tmp.mp4':
 Metadata:
 encoder : Lavf54.4.100
 Stream #0:0: Video: h264 (![0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1
 DAR 4:3], q=-1--1, 400 kb/s, 25 tbn, 25 tbc
 Stream #0:1: Audio: aac (@[0][0][0] / 0x0040), 44100 Hz, stereo, flt, 48
 kb/s
 Stream mapping:
 Stream #0:0 -> #0:0 (mpeg1video -> libx264)
 Stream #0:1 -> #0:1 (mp2 -> aac)
 Press [q] to stop, [?] for help
 [aac @ 0x9a55640] Que input is backward in time
 Last message repeated 2 times
 [mp4 @ 0x9a54ac0] Audio timestamp 2147483392 < 2147483521 invalid, cliping
 [aac @ 0x9a55640] Que input is backward in time
 [mp4 @ 0x9a54ac0] Audio timestamp 2147483264 < 2147483522 invalid, cliping
 [aac @ 0x9a55640] Que input is backward in time
 [mp4 @ 0x9a54ac0] Audio timestamp 2147483136 < 2147483523 invalid, cliping
 [aac @ 0x9a55640] Que input is backward in time
 [mp4 @ 0x9a54ac0] Audio timestamp 2147483008 < 2147483524 invalid, cliping
 [mp4 @ 0x9a54ac0] Audio timestamp 2147482880 < 2147483525 invalid, cliping
 [aac @ 0x9a55640] Que input is backward in time
 [mp4 @ 0x9a54ac0] Audio timestamp 2147482752 < 2147483526 invalid, cliping
 }}}

 "...and here it hangs and file grows and grows, till i kill ffmpeg."

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1329#comment:2>
FFmpeg <http://ffmpeg.org>
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