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Les logiciels et librairies suivantes sont utilisées par SPIPmotion d’une manière ou d’une autre.
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Sur d’autres sites (7119)

ffmpeg : Combine/merge multiple mp4 videos - not working

9 juin 2016, par dtbaker

Here is the command I am using to combine multiple videos :

ffmpeg -i 75_540_38HQ2.mp4 -i 76_70_20.mp4 -i 76_173_80.mp4 -i 81_186_35.mp4 -vcodec copy -acodec copy Mux1.mp4

The resulting Mux1.mp4 does not contain all videos. Only the first video (75_540_38HQ2.mp4). The file size of the source and resulting video is below (as you can see, resulting video is slightly larger than first vid) :

$ ls -lh

 rw-r—r— 1 dbaker dbaker  42M 2011-03-24 11:59 75_540_38HQ2.mp4

 rw-r—r— 1 dbaker dbaker 236M 2011-03-24 12:09 76_173_80.mp4

 rw-r—r— 1 dbaker dbaker  26M 2011-03-24 12:05 76_70_20.mp4

 rw-r—r— 1 dbaker dbaker  54M 2011-03-24 12:15 81_186_35.mp4

 rw-r—r— 1 dbaker dbaker  44M 2011-03-24 14:48 Mux1.mp4

Here is the output of the ffmpeg command. To me it looks ok, showing the multiple source inputs and the single output.

FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers built on Mar 21 2011 18:05:32 with gcc 4.4.5 configuration : —enable-gpl —enable-version3 —enable-nonfree —enable-postproc —enable-libfaac —enable-libmp3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libtheora —enable-libvorbis —enable-libvpx —enable-libx264 —enable-libxvid —enable-x11grab libavutil 50.36. 0 / 50.36. 0 libavcore 0.16. 1 / 0.16. 1 libavcodec 52.108. 0 / 52.108. 0 libavformat 52.93. 0 / 52.93. 0 libavdevice 52. 2. 3 / 52. 2. 3 libavfilter 1.74. 0 / 1.74. 0 libswscale 0.12. 0 / 0.12. 0 libpostproc 51. 2. 0 / 51. 2. 0 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from ’75_540_38HQ2.mp4’ : Metadata : major_brand : isom minor_version : 512 compatible_brands : isomiso2avc1mp41 creation_time : 1970-01-01 00:00:00 encoder : Lavf52.93.0 Duration : 00:00:29.99, start : 0.000000, bitrate : 11517 kb/s Stream #0.0(eng) : Video : h264, yuv420p, 1280x960 [PAR 1:1 DAR 4:3], 11575 kb/s, 29.94 fps, 29.97 tbr, 30k tbn, 59.94 tbc Metadata : creation_time : 1970-01-01 00:00:00 Stream #0.1(eng) : Audio : aac, 48000 Hz, stereo, s16, 127 kb/s Metadata : creation_time : 1970-01-01 00:00:00 Input #1, mov,mp4,m4a,3gp,3g2,mj2, from ’76_70_20.mp4’ : Metadata : major_brand : isom minor_version : 512 compatible_brands : isomiso2avc1mp41 creation_time : 1970-01-01 00:00:00 encoder : Lavf52.93.0 Duration : 00:00:19.98, start : 0.000000, bitrate : 10901 kb/s Stream #1.0(eng) : Video : h264, yuv420p, 1280x960 [PAR 1:1 DAR 4:3], 10804 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc Metadata : creation_time : 1970-01-01 00:00:00 Stream #1.1(eng) : Audio : aac, 48000 Hz, stereo, s16, 128 kb/s Metadata : creation_time : 1970-01-01 00:00:00 Input #2, mov,mp4,m4a,3gp,3g2,mj2, from ’76_173_80.mp4’ : Metadata : major_brand : isom minor_version : 512 compatible_brands : isomiso2avc1mp41 creation_time : 1970-01-01 00:00:00 encoder : Lavf52.93.0 Duration : 00:03:09.99, start : 0.000000, bitrate : 10393 kb/s Stream #2.0(eng) : Video : h264, yuv420p, 1280x960 [PAR 1:1 DAR 4:3], 10321 kb/s, 29.96 fps, 29.97 tbr, 30k tbn, 59.94 tbc Metadata : creation_time : 1970-01-01 00:00:00 Stream #2.1(eng) : Audio : aac, 48000 Hz, stereo, s16, 128 kb/s Metadata : creation_time : 1970-01-01 00:00:00

Seems stream 0 codec frame rate differs from container frame rate : 119.88 (120000/1001) -> 30000.00 (30000/1)
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from ’81_186_35.mp4’ :
Metadata :
major_brand : isom
minor_version : 512
compatible_brands : isomiso2avc1mp41
creation_time : 1970-01-01 00:00:00
encoder : Lavf52.93.0
Duration : 00:00:35.00, start : 0.000000, bitrate : 12700 kb/s
Stream #3.0(eng) : Video : h264, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 12620 kb/s, 59.91 fps, 30k tbr, 60k tbn, 119.88 tbc
Metadata :
creation_time : 1970-01-01 00:00:00
Stream #3.1(eng) : Audio : aac, 48000 Hz, stereo, s16, 128 kb/s
Metadata :
creation_time : 1970-01-01 00:00:00
Output #0, mp4, to ’Mux1.mp4’ :
Metadata :
major_brand : isom
minor_version : 512
compatible_brands : isomiso2avc1mp41
creation_time : 1970-01-01 00:00:00
encoder : Lavf52.93.0
Stream #0.0(eng) : Video : libx264, yuv420p, 1280x960 [PAR 1:1 DAR 4:3], q=2-31, 11575 kb/s, 30k tbn, 29.97 tbc
Metadata :
creation_time : 1970-01-01 00:00:00
Stream #0.1(eng) : Audio : libfaac, 48000 Hz, stereo, 128 kb/s
Metadata :
creation_time : 1970-01-01 00:00:00
Stream mapping :
Stream #0.0 -> #0.0
Stream #2.1 -> #0.1
Press [q] to stop encoding
frame= 883 fps=632 q=-1.0 Lsize= 44730kB time=29.40 bitrate=12465.1kbits/s
video:41678kB audio:2969kB global headers:0kB muxing overhead 0.184548%

Am I doing something blindingly stupid here ?

The source videos came from a video camera, and are small snippets taken with ffmpeg -i bigfile.mp4 -ss 20 -t 10 -vcodec copy etc..

Thanks heaps !!
Dave

Edit : couldn’t solve it so I just use avidemux GUI tool. It seemed to append the MP4’s just fine.

Must be a problem with MP4’s or just the ones that come off a gopro camera.

FFMPEG "buffer queue overflow, dropping" with trim and atrim filters

11 décembre 2016, par Prasanna Mahendiran

In FFMPEG I am actually trimming and concating a 24 FPS video. When I apply a complex filter

ffmpeg -i sample.mp4 -filter_complex \

  "[0:v]setpts = PTS-STARTPTS[bv];

  [bv]split=6[v0][v1][v2][v3][v4][v5];

  [v0]trim=start_frame=1:end_frame=142,loop=1:1:1,setpts=N/FRAME_RATE/TB[0v];

  [v1]trim=start_frame=846:end_frame=878,loop=1:1:1,setpts=N/FRAME_RATE/TB[1v];

  [v2]trim=start_frame=57:end_frame=114,loop=1:1:1,setpts=N/FRAME_RATE/TB[2v];

  [v3]trim=start_frame=865:end_frame=885,loop=1:1:1,setpts=N/FRAME_RATE/TB[3v];

  [v4]trim=start_frame=70:end_frame=155,loop=1:1:1,setpts=N/FRAME_RATE/TB[4v];

  [v5]trim=start_frame=155:end_frame=909,loop=1:1:1,setpts=N/FRAME_RATE/TB[5v];

  [0:a]asplit=6[a0][a1][a2][a3][a4][a5];

  [a0]atrim=0.041666666666666664:5.917,asetpts=N/SR/TB[0a];

  [a1]atrim=35.256:36.603,asetpts=N/SR/TB[1a];

  [a2]atrim=2.379:4.767,asetpts=N/SR/TB[2a];

  [a3]atrim=36.024:36.859,asetpts=N/SR/TB[3a];

  [a4]atrim=2.93:6.438172,asetpts=N/SR/TB[4a];

  [a5]atrim=6.438172:37.895,asetpts=N/SR/TB[5a];

  [0v][0a][1v][1a][2v][2a][3v][3a][4v][4a][5v][5a]concat=n=6:v=1:a=1[vv][aa]"\

  -map "[vv]" -map "[aa]" output.mp4

I am getting "buffer queue overflow, dropping" error. The resultant video and audio is still and not working properly.

ffmpeg version 3.2-1~16.04.york1 Copyright (c) 2000-2016 the FFmpeg developers

  built with gcc 5.4.1 (Ubuntu 5.4.1-3ubuntu1~ubuntu16.04.1york0) 20161019

  configuration: --prefix=/usr --extra-version='1~16.04.york1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-libtesseract --disable-stripping --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librubberband --enable-libschroedinger --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-libxvid --enable-libzmq --enable-libzvbi --enable-opengl --enable-sdl2 --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-openal --enable-frei0r --enable-libopencv --enable-libx264 --enable-chromaprint --enable-shared

  libavutil      55. 34.100 / 55. 34.100

  libavcodec     57. 64.100 / 57. 64.100

  libavformat    57. 56.100 / 57. 56.100

  libavdevice    57.  1.100 / 57.  1.100

  libavfilter     6. 65.100 /  6. 65.100

  libavresample   3.  1.  0 /  3.  1.  0

  libswscale      4.  2.100 /  4.  2.100

  libswresample   2.  3.100 /  2.  3.100

  libpostproc    54.  1.100 / 54.  1.100

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sample.mp4':

  Metadata:

    major_brand     : isom

    minor_version   : 512

    compatible_brands: isomiso2avc1mp41

    track           : 0

    artist          : 

    album           : 

    date            : 0

    genre           : 

    lyrics          : 

    title           : 

    encoder         : Lavf56.36.100

  Duration: 00:00:37.90, start: 0.000000, bitrate: 951 kb/s

    Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x480 [SAR 1:1 DAR 4:3], 820 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc (default)

    Metadata:

      handler_name    : VideoHandler

    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 126 kb/s (default)

    Metadata:

      handler_name    : SoundHandler

File 'output.mp4' already exists. Overwrite ? [y/N] y

[libx264 @ 0x55650097a540] using SAR=1/1

[libx264 @ 0x55650097a540] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2

[libx264 @ 0x55650097a540] profile High, level 3.0

[libx264 @ 0x55650097a540] 264 - core 148 r2643 5c65704 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=24 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 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     : isom

    minor_version   : 512

    compatible_brands: isomiso2avc1mp41

    track           : 0

    artist          : 

    album           : 

    date            : 0

    genre           : 

    lyrics          : 

    title           : 

    encoder         : Lavf57.56.100

    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 24 fps, 12288 tbn, 24 tbc (default)

    Metadata:

      encoder         : Lavc57.64.100 libx264

    Side data:

      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1

    Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 128 kb/s (default)

    Metadata:

      encoder         : Lavc57.64.100 aac

Stream mapping:

  Stream #0:0 (h264) -> setpts

  Stream #0:1 (aac) -> asplit

  concat:out:v0 -> Stream #0:0 (libx264)

  concat:out:a0 -> Stream #0:1 (aac)

Press [q] to stop, [?] for help

[Parsed_concat_33 @ 0x55650097b420] Buffer queue overflow, dropping. 471.5kbits/s speed=4.94x    

    Last message repeated 201 times

[Parsed_concat_33 @ 0x55650097b420] Buffer queue overflow, dropping. 522.9kbits/s speed=3.89x    

    Last message repeated 1266 times

[Parsed_concat_33 @ 0x55650097b420] Buffer queue overflow, dropping. 557.0kbits/s speed=3.28x    

    Last message repeated 48 times

[output stream 0:1 @ 0x556500947e20] 100 buffers queued in output stream 0:1, something may be wrong.

[Parsed_concat_33 @ 0x55650097b420] Buffer queue overflow, dropping. 718.6kbits/s speed=3.46x    

    Last message repeated 19 times

[output stream 0:0 @ 0x5565009785c0] 100 buffers queued in output stream 0:0, something may be wrong.

frame= 1091 fps=117 q=-1.0 Lsize=    2795kB time=00:00:45.51 bitrate= 503.1kbits/s dup=475 drop=0 speed=4.88x    

video:2455kB audio:316kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.861779%

[libx264 @ 0x55650097a540] frame I:8     Avg QP:19.26  size: 24207

[libx264 @ 0x55650097a540] frame P:409   Avg QP:21.33  size:  4108

[libx264 @ 0x55650097a540] frame B:674   Avg QP:27.46  size:   949

[libx264 @ 0x55650097a540] consecutive B-frames: 10.3% 13.9% 24.5% 51.3%

[libx264 @ 0x55650097a540] mb I  I16..4:  9.9% 57.0% 33.1%

[libx264 @ 0x55650097a540] mb P  I16..4:  3.6%  7.6%  2.9%  P16..4: 33.0% 10.6%  3.0%  0.0%  0.0%    skip:39.2%

[libx264 @ 0x55650097a540] mb B  I16..4:  0.4%  0.8%  0.4%  B16..8: 24.5%  2.6%  0.2%  direct: 0.5%  skip:70.5%  L0:55.5% L1:41.8% BI: 2.7%

[libx264 @ 0x55650097a540] 8x8 transform intra:53.8% inter:66.7%

[libx264 @ 0x55650097a540] coded y,uvDC,uvAC intra: 44.6% 50.0% 14.8% inter: 6.2% 7.7% 0.2%

[libx264 @ 0x55650097a540] i16 v,h,dc,p: 22% 28% 17% 33%

[libx264 @ 0x55650097a540] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 23% 28%  3%  4%  3% 11%  3%  5%

[libx264 @ 0x55650097a540] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 26% 16%  2%  5%  3% 16%  3%  3%

[libx264 @ 0x55650097a540] i8c dc,h,v,p: 60% 22% 13%  6%

[libx264 @ 0x55650097a540] Weighted P-Frames: Y:0.0% UV:0.0%

[libx264 @ 0x55650097a540] ref P L0: 72.6%  8.4% 15.1%  3.9%

[libx264 @ 0x55650097a540] ref B L0: 88.5% 10.7%  0.8%

[libx264 @ 0x55650097a540] ref B L1: 93.3%  6.7%

[libx264 @ 0x55650097a540] kb/s:442.30

[aac @ 0x556500979280] Qavg: 3215.870

I tried with other stackoverflow questions but none of them worked. Also I think it is partially because the trim timings are mixed. That is start time can be anywhere between 0-end. When I make it strictly increasing it is working fine.

merge (video and sound) with (background music)

27 novembre 2016, par Nir di

i have video file vid.mpg that contain video and audio(speaking) and audio file aud.wav that contain background music.

now, i want to merge them together.

here is the command that i use :

ffmpeg -i vid.mpg -i aud.mp3 -c:v copy  -filter_complex "[0:a]aformat = fltp:44100:stereo,apad[0a];[1]aformat=fltp:44100:stereo,volume=0.1[1a];[0a][1a]amerge[a]" -map 0:v -map "[a]" -ac 2 -t 0 out.mpg

and this is the error that i get as response :

[Parsed_amerge_4 @ 00000000003a36e0] No channel layout for input 1

[Parsed_amerge_4 @ 00000000003a36e0] Input channel layouts overlap: output layou

t will be determined by the number of distinct input channels

[mpeg @ 000000000289a4e0] VBV buffer size not set, using default size of 130KB

If you want the mpeg file to be compliant to some specification

Like DVD, VCD or others, make sure you set the correct buffer size

in addition i add the full log :

C:\bina\ffmpeg\bin>ffmpeg -i vid.mpg -i

aud.mp3 -c:v copy  -filter_complex "[1:a]aform

at = fltp:44100:stereo,apad[0a];[1]aformat=fltp:44100:stereo,volume=0.1[1a];[0a]

[1a]amerge[a]" -map 0:v -map "[a]" -ac 2 -t 0 out.mpg

ffmpeg version N-78949-g6f5048f Copyright (c) 2000-2016 the FFmpeg developers

  built with gcc 5.3.0 (GCC)

  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av

isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab

le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --

enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l

ibilbc --enable-libmodplug --enable-libmfx --enable-libmp3lame --enable-libopenc

ore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --ena

ble-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable

-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --ena

ble-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx

264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable

-lzma --enable-decklink --enable-zlib

  libavutil      55. 19.100 / 55. 19.100

  libavcodec     57. 27.101 / 57. 27.101

  libavformat    57. 28.100 / 57. 28.100

  libavdevice    57.  0.101 / 57.  0.101

  libavfilter     6. 39.100 /  6. 39.100

  libswscale      4.  0.100 /  4.  0.100

  libswresample   2.  0.101 /  2.  0.101

  libpostproc    54.  0.100 / 54.  0.100

Input #0, mpeg, from 'vid.mpg':

  Duration: 00:00:33.62, start: 0.529978, bitrate: 22407 kb/s

    Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv), 1920x1080 [SAR 1:

1 DAR 16:9], max. 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc

    Stream #0:1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16p, 192 kb/s

[mp3 @ 00000000003e3c20] Skipping 0 bytes of junk at 253.

Input #1, mp3, from 'aud.mp3':

  Metadata:

    encoder         : Lavf57.28.100

  Duration: 00:01:03.03, start: 0.025057, bitrate: 128 kb/s

    Stream #1:0: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s

    Metadata:

      encoder         : Lavc57.27

File 'out.mpg' already exists. Overwrite

 ? [y/N] y

[Parsed_amerge_4 @ 00000000003a36e0] No channel layout for input 1

[Parsed_amerge_4 @ 00000000003a36e0] Input channel layouts overlap: output layou

t will be determined by the number of distinct input channels

[mpeg @ 000000000289a4e0] VBV buffer size not set, using default size of 130KB

If you want the mpeg file to be compliant to some specification

Like DVD, VCD or others, make sure you set the correct buffer size

Output #0, mpeg, to 'out.mpg':

  Metadata:

    encoder         : Lavf57.28.100

    Stream #0:0: Video: mpeg2video, yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-3

1, max. 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc

    Stream #0:1: Audio: mp2, 44100 Hz, stereo, s16, 384 kb/s (default)

    Metadata:

      encoder         : Lavc57.27.101 mp2

Stream mapping:

  Stream #1:0 (mp3) -> aformat

  Stream #1:0 (mp3) -> aformat

  Stream #0:0 -> #0:0 (copy)

  amerge -> Stream #0:1 (mp2)

Press [q] to stop, [?] for help

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=234676 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=234676 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=236705 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=236705 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=238746 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=238746 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=240787 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=240787 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=242828 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=242828 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=244869 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=244869 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=246910 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=246910 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=248951 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=248951 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=250992 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=250992 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=253033 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=253033 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=255074 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=255074 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=257115 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=257115 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=259156 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=259156 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=261197 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=261197 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=263238 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=263238 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=265279 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=265279 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=267320 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=267320 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=269361 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=269361 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=271402 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=271402 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=273443 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=273443 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=275484 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=275484 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=277525 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=277525 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=279566 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=279566 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=281607 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=281607 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=283648 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=283648 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=285689 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=285689 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=287730 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=287730 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=289771 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=289771 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=291812 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=291812 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=293853 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=293853 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=295894 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=295894 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=297935 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=297935 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=299976 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=299976 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=302017 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=302017 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=304058 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=304058 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=306099 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=306099 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=308140 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=308140 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=310181 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=310181 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=312222 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=312222 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=314263 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=314263 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=316304 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=316304 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=318345 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=318345 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=320386 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=320386 size=322616

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=322427 size=322616

[mpeg @ 000000000289a4e0] packet too large, ignoring buffer limits to mux it

[mpeg @ 000000000289a4e0] buffer underflow st=0 bufi=322427 size=322616

frame=    1 fps=0.0 q=-1.0 Lsize=     318kB time=00:00:00.00 bitrate=N/A speed=

  0x

video:315kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing o

verhead: 0.934858%



C:\bina\ffmpeg\bin>ffmpeg -i vid.mpg -i

aud.mp3 -c:v copy  -filter_complex "[0:a]aform

at = fltp:44100:stereo,apad[0a];[1]aformat=fltp:44100:stereo,volume=0.1[1a];[0a]

[1a]amerge[a]" -map 0:v -map "[a]" -ac 2 -t 0 out.mpg

what am i doing wrong ? and how can i solve it ?

please help.

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