[FFmpeg-user] countless dropping frema warnings

Jan Ehrhardt phpdev at ehrhardt.nl
Wed Apr 2 07:06:01 CEST 2014


This commit is leading to countless warnings:
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=41e7e46cac507e993af6d656c8d3672ba3f9e304

The warnings might be correct, because I am changing the framerate from
50fps to '-r 25'. But I never got those warnings before and they are
cluttering the console output.

After removing this from ffmpeg.c, everything seems OK:

    if (nb_frames == 0) {
        nb_frames_drop++;
        av_log(NULL, AV_LOG_WARNING,
               "*** dropping frame %d from stream %d at ts %"PRId64"\n",
               ost->frame_number, ost->st->index, in_picture->pts);
        return;
    } else 

Commandline and output after the sig separator. Take note of the summary
at the end:

frame= 6028 fps=123 q=-1.0 Lsize=   12849kB time=00:04:01.04
	bitrate= 436.7kbits/s dup=0 drop=6022    

Jan
-- 
ffmpeg.exe -i "P:\DCIM\101VBPBH\S1010001.MP4" -s 384x288 -aspect 4:3 \
	-sws_flags bicubic -vcodec libx264 -b:v 320k -r 25 -strict -2 \
	-acodec aac -ab 96k -ar 48000 -ac 2 -y output.mp4

ffmpeg version N-62039-gc00f368 Copyright (c) 2000-2014 the FFmpeg
developers
  built on Apr  1 2014 23:38:04 with gcc 4.8.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
--enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
--enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
--enable-librtmp --enable-libschroedinger --enable-libsoxr
--enable-libspeex --enable-libtheora --enable-libtwolame
--enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264
--enable-libx265 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 71.100 / 52. 71.100
  libavcodec     55. 56.107 / 55. 56.107
  libavformat    55. 36.100 / 55. 36.100
  libavdevice    55. 11.100 / 55. 11.100
  libavfilter     4.  3.100 /  4.  3.100
  libswscale      2.  5.102 /  2.  5.102
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'P:\DCIM\101VBPBH\S1010001.MP4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp42avc1
    creation_time   : 2012-09-09 16:31:46
  Duration: 00:04:01.00, start: 0.000000, bitrate: 6598 kb/s
    Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 /
0x31637661), yuv420p(tv, bt470bg), 640x480 [SAR 1:1 DAR 4:3], 6063 kb/s,
50 fps, 50 tbr, 60k tbn, 100 tbc (default)
    Metadata:
      creation_time   : 2012-09-09 16:31:46
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo,
fltp, 255 kb/s (default)
    Metadata:
      creation_time   : 2012-09-09 16:31:46
[libx264 @ 0288d980] using SAR=1/1
[libx264 @ 0288d980] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX
[libx264 @ 0288d980] profile High, level 2.1
[libx264 @ 0288d980] 264 - core 142 r2409 d6b4e63 - H.264/MPEG-4 AVC
codec - Copyleft 2003-2014 - 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=6
lookahead_threads=1 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=320 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4
ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'output.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp42avc1
    encoder         : Lavf55.36.100
    Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021),
yuv420p, 384x288 [SAR 1:1 DAR 4:3], q=-1--1, 320 kb/s, 12800 tbn, 25 tbc
(default)
    Metadata:
      creation_time   : 2012-09-09 16:31:46
    Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz,
stereo, fltp, 96 kb/s (default)
    Metadata:
      creation_time   : 2012-09-09 16:31:46
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> libx264)
  Stream #0:1 -> #0:1 (aac -> aac)
Press [q] to stop, [?] for help
*** dropping frame 6 from stream 0 at ts 3
*** dropping frame 7 from stream 0 at ts 4
*** dropping frame 8 from stream 0 at ts 5
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*** dropping frame 81 from stream 0 at ts 78
*** dropping frame 82 from stream 0 at ts 79
*** dropping frame 83 from stream 0 at ts 80
*** dropping frame 84 from stream 0 at ts 81
*** dropping frame 85 from stream 0 at ts 82
frame=   86 fps=0.0 q=29.0 size=      63kB time=00:00:02.94 bitrate=
174.6kbits/s dup=0 drop=80    
*** dropping frame 86 from stream 0 at ts 83
*** dropping frame 87 from stream 0 at ts 84
*** dropping frame 88 from stream 0 at ts 85
*** dropping frame 89 from stream 0 at ts 86
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*** dropping frame 123 from stream 0 at ts 120
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*** dropping frame 142 from stream 0 at ts 139
*** dropping frame 143 from stream 0 at ts 140
*** dropping frame 144 from stream 0 at ts 141
*** dropping frame 145 from stream 0 at ts 142
*** dropping frame 146 from stream 0 at ts 143
*** dropping frame 147 from stream 0 at ts 144
frame=  148 fps=148 q=28.0 size=     191kB time=00:00:05.44 bitrate=
287.3kbits/s dup=0 drop=142    
*** dropping frame 148 from stream 0 at ts 145
*** dropping frame 149 from stream 0 at ts 146
*** dropping frame 150 from stream 0 at ts 147
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*** dropping frame 159 from stream 0 at ts 156
*** dropping frame 160 from stream 0 at ts 157
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*** dropping frame 162 from stream 0 at ts 159
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*** dropping frame 188 from stream 0 at ts 185
*** dropping frame 189 from stream 0 at ts 186
*** dropping frame 190 from stream 0 at ts 187
*** dropping frame 191 from stream 0 at ts 188

et cetera et cetera

*** dropping frame 5960 from stream 0 at ts 5957
*** dropping frame 5961 from stream 0 at ts 5958
*** dropping frame 5962 from stream 0 at ts 5959
*** dropping frame 5963 from stream 0 at ts 5960
frame= 5963 fps=123 q=31.0 size=   12506kB time=00:03:57.99 bitrate=
430.5kbits/s dup=0 drop=5958    
*** dropping frame 5964 from stream 0 at ts 5961
*** dropping frame 5965 from stream 0 at ts 5962
*** dropping frame 5966 from stream 0 at ts 5963
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*** dropping frame 6001 from stream 0 at ts 5998
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*** dropping frame 6004 from stream 0 at ts 6001
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*** dropping frame 6006 from stream 0 at ts 6003
*** dropping frame 6007 from stream 0 at ts 6004
*** dropping frame 6008 from stream 0 at ts 6005
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*** dropping frame 6010 from stream 0 at ts 6007
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*** dropping frame 6013 from stream 0 at ts 6010
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*** dropping frame 6017 from stream 0 at ts 6014
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*** dropping frame 6019 from stream 0 at ts 6016
*** dropping frame 6020 from stream 0 at ts 6017
*** dropping frame 6021 from stream 0 at ts 6018
*** dropping frame 6022 from stream 0 at ts 6019
*** dropping frame 6023 from stream 0 at ts 6020
*** dropping frame 6024 from stream 0 at ts 6021
*** dropping frame 6025 from stream 0 at ts 6022
frame= 6026 fps=123 q=31.0 size=   12596kB time=00:04:00.93 bitrate=
428.3kbits/s dup=0 drop=6020    
*** dropping frame 6026 from stream 0 at ts 6023
*** dropping frame 6027 from stream 0 at ts 6024
frame= 6028 fps=123 q=-1.0 Lsize=   12849kB time=00:04:01.04 bitrate=
436.7kbits/s dup=0 drop=6022    

video:9838kB audio:2834kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: 1.404214%
[libx264 @ 0288d980] frame I:27    Avg QP:19.57  size: 14911
[libx264 @ 0288d980] frame P:2501  Avg QP:22.94  size:  3257
[libx264 @ 0288d980] frame B:3500  Avg QP:25.28  size:   436
[libx264 @ 0288d980] consecutive B-frames: 12.2% 23.9% 21.6% 42.3%
[libx264 @ 0288d980] mb I  I16..4:  7.8% 45.6% 46.6%
[libx264 @ 0288d980] mb P  I16..4:  1.2%  2.6%  0.8%  P16..4: 41.8%
15.7% 10.2%  0.0%  0.0%    skip:27.7%
[libx264 @ 0288d980] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8: 33.4% 3.2%
0.9%  direct: 1.5%  skip:60.9%  L0:41.7% L1:49.9% BI: 8.5%
[libx264 @ 0288d980] final ratefactor: 22.67
[libx264 @ 0288d980] 8x8 transform intra:53.9% inter:55.0%
[libx264 @ 0288d980] coded y,uvDC,uvAC intra: 51.3% 54.3% 20.0% inter:
14.4% 9.8% 0.5%
[libx264 @ 0288d980] i16 v,h,dc,p: 32% 27% 10% 31%
[libx264 @ 0288d980] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 18% 28%  3%  5%
7%  6%  3%  6%
[libx264 @ 0288d980] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 29% 15%  3%  5%
6%  7%  3%  5%
[libx264 @ 0288d980] i8c dc,h,v,p: 56% 20% 20%  4%
[libx264 @ 0288d980] Weighted P-Frames: Y:13.5% UV:2.5%
[libx264 @ 0288d980] ref P L0: 60.7% 13.1% 16.9%  9.0%  0.3%
[libx264 @ 0288d980] ref B L0: 75.8% 18.9%  5.3%
[libx264 @ 0288d980] ref B L1: 89.5% 10.5%
[libx264 @ 0288d980] kb/s:334.20



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