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• ffmpeg video conversion from webm to mp4 is adding lag to the video

  21 janvier 2016, par Hemant Kumar

  Hi I am trying to convert video from .webm extension to .mp4 extension and it is adding lags to the video, also not showing me the full video.

  I am using following video conversion command.

  "ffmpeg -i {$input} -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ".fix_video_orientation($input)."' -threads 0 -ab 64k -s {$resolution}  -movflags faststart -metadata:s:v:0 rotate=0 {$output}";

  "fix_video_orientation" function is given below. It rotate the resulting video if video while recording is rotated to certain angle.

  function fix_video_orientation($input){
  
  
  
  $return= ", transpose=1 ";
  
  
  
  $dd= exec("ffprobe -of json -show_streams  {$input}   | grep rotate");
  
  
  
  if(!empty($dd)){
  
  
  
  $dd=explode(":",$dd);
  
  $rotate=str_replace(",","",str_replace('"',"",$dd[1]));
  
  
  
  if($rotate=="90")return $return;
  
  
  
  else if ($rotate=="180") return ", transpose=2,transpose=2 ";
  
  
  
  else if($rotate == "270") return ", transpose=2 ";
  
  }

  Currently above script is supporting "flv","avi","mp4","mkv","mpg","wmv","asf","webm","mov","3gp","3gpp" extensions, also the script is supporting the resulting .mp4 file to play on all browsers and devices.

  For query :

  ffmpeg -i <server path="path">/g9zyy2qg54qp1l5spo2-mergedFile.webm -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ' -threads 0 -ab 64k -s 640x480 -movflags faststart -metadata:s:v:0 rotate=0 <server path="path">/g9zyy2qg54qp1l5spo2-mergedFile5.mp4
  
  </server></server>

  Console output :

  ffmpeg version 2.2.5 Copyright (c) 2000-2014 the FFmpeg developers
  
    built on Aug  1 2014 09:24:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  
    configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libtheora --enable-libx264 --enable-libvpx --enable-libmp3lame
  
    libavutil      52. 66.100 / 52. 66.100
  
    libavcodec     55. 52.102 / 55. 52.102
  
    libavformat    55. 33.100 / 55. 33.100
  
    libavdevice    55. 10.100 / 55. 10.100
  
    libavfilter     4.  2.100 /  4.  2.100
  
    libswscale      2.  5.102 /  2.  5.102
  
    libswresample   0. 18.100 /  0. 18.100
  
    libpostproc    52.  3.100 / 52.  3.100
  
  Input #0, matroska,webm, from '<server path="path">/g9zyy2qg54qp1l5spo2-mergedFile.webm':
  
    Metadata:
  
      encoder         : Lavf55.33.100
  
    Duration: 00:00:13.53, start: 0.000000, bitrate: 387 kb/s
  
      Stream #0:0: Audio: vorbis, 44100 Hz, stereo, fltp
  
      Stream #0:1: Video: vp8, yuv420p, 320x240, SAR 1:1 DAR 4:3, 1k fps, 1k tbr, 1k tbn, 1k tbc (default)
  
  [libx264 @ 0x38fcf40] using SAR=1/1
  
  [libx264 @ 0x38fcf40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 0x38fcf40] profile High, level 5.2
  
  [libx264 @ 0x38fcf40] 264 - core 142 r2453 ea0ca51 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 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=24 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 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=50 rc=cbr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to '<server path="path">/g9zyy2qg54qp1l5spo2-mergedFile5.mp4':
  
    Metadata:
  
      encoder         : Lavf55.33.100
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 500 kb/s, 16k tbn, 1k tbc (default)
  
      Metadata:
  
        rotate          : 0
  
      Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 64 kb/s
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (vp8 -> libx264)
  
    Stream #0:0 -> #0:1 (vorbis -> aac)
  
  Press [q] to stop, [?] for help
  
  frame=  358 fps=0.0 q=39.0 size=      27kB time=00:00:00.74 bitrate= 295.4kbits/frame=  723 fps=691 q=41.0 size=      57kB time=00:00:01.39 bitrate= 335.1kbits/frame= 1410 fps=706 q=45.0 size=     108kB time=00:00:01.74 bitrate= 509.0kbits/frame= 1777 fps=710 q=45.0 size=     134kB time=00:00:02.13 bitrate= 512.7kbits/frame= 2126 fps=707 q=45.0 size=     164kB time=00:00:02.50 bitrate= 535.0kbits/frame= 2497 fps=710 q=45.0 size=     191kB time=00:00:02.85 bitrate= 547.8kbits/frame= 2869 fps=708 q=45.0 size=     225kB time=00:00:03.20 bitrate= 575.7kbits/frame= 3226 fps=707 q=45.0 size=     250kB time=00:00:03.59 bitrate= 568.2kbits/frame= 3586 fps=709 q=46.0 size=     282kB time=00:00:03.94 bitrate= 585.7kbits/frame= 3956 fps=710 q=45.0 size=     305kB time=00:00:04.59 bitrate= 543.8kbits/frame= 4358 fps=710 q=46.0 size=     340kB time=00:00:04.71 bitrate= 591.1kbits/frame= 4751 fps=712 q=45.0 size=     362kB time=00:00:05.10 bitrate= 581.3kbits/frame= 5133 fps=713 q=45.0 size=     393kB time=00:00:05.50 bitrate= 584.9kbits/frame= 5510 fps=715 q=45.0 size=     416kB time=00:00:05.89 bitrate= 578.5kbits/frame= 5880 fps=715 q=45.0 size=     448kB time=00:00:06.24 bitrate= 587.6kbits/frame= 6250 fps=715 q=45.0 size=     472kB time=00:00:06.64 bitrate= 582.3kbits/frame= 6651 fps=715 q=45.0 size=     501kB time=00:00:06.98 bitrate= 587.1kbits/frame= 7012 fps=713 q=50.0 size=     524kB time=00:00:07.68 bitrate= 559.0kbits/frame= 7396 fps=714 q=45.0 size=     551kB time=00:00:07.75 bitrate= 582.5kbits/frame= 7771 fps=714 q=47.0 size=     575kB time=00:00:08.10 bitrate= 581.1kbits/frame= 8139 fps=714 q=50.0 size=     604kB time=00:00:08.52 bitrate= 580.8kbits/frame= 8509 fps=715 q=46.0 size=     628kB time=00:00:08.87 bitrate= 580.4kbits/frame= 8885 fps=715 q=46.0 size=     655kB time=00:00:09.19 bitrate= 583.1kbits/frame= 9233 fps=714 q=46.0 size=     677kB time=00:00:09.54 bitrate= 581.2kbits/frame= 9603 fps=714 q=46.0 size=     706kB time=00:00:09.96 bitrate= 580.6kbits/frame= 9975 fps=714 q=46.0 size=     728kB time=00:00:10.65 bitrate= 559.8kbits/frame=10376 fps=715 q=46.0 size=     757kB time=00:00:10.75 bitrate= 577.0kbits/frame=10730 fps=714 q=46.0 size=     780kB time=00:00:11.07 bitrate= 577.1kbits/frame=11090 fps=713 q=47.0 size=     808kB time=00:00:11.42 bitrate= 579.7kbits/frame=11447 fps=713 q=46.0 size=     832kB time=00:00:11.79 bitrate= 578.0kbits/frame=11802 fps=712 q=48.0 size=     858kB time=00:00:12.14 bitrate= 578.5kbits/frame=12181 fps=713 q=46.0 size=     880kB time=00:00:12.51 bitrate= 576.3kbits/frame=12563 fps=713 q=46.0 size=     908kB time=00:00:12.95 bitrate= 573.9kbits/frame=13527 fps=715 q=46.0 size=     960kB time=-577014:-32:-22.-77 bitrate=N/A [mp4 @ 0x3912e00] Starting second pass: moving the moov atom to the beginning of the file
  
  frame=13527 fps=713 q=-1.0 Lsize=    1139kB time=00:00:13.52 bitrate= 689.8kbits/s dup=13036 drop=0    
  
  video:863kB audio:107kB subtitle:0 data:0 global headers:0kB muxing overhead 17.479137%
  
  [libx264 @ 0x38fcf40] frame I:55    Avg QP:33.13  size:  6072
  
  [libx264 @ 0x38fcf40] frame P:3409  Avg QP:32.90  size:    95
  
  [libx264 @ 0x38fcf40] frame B:10063 Avg QP:39.74  size:    22
  
  [libx264 @ 0x38fcf40] consecutive B-frames:  0.8%  0.0%  0.0% 99.2%
  
  [libx264 @ 0x38fcf40] mb I  I16..4: 25.7% 69.5%  4.8%
  
  [libx264 @ 0x38fcf40] mb P  I16..4:  0.2%  0.2%  0.0%  P16..4:  1.4%  0.1%  0.4%  0.0%  0.0%    skip:97.7%
  
  [libx264 @ 0x38fcf40] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.3%  0.0%  0.0%  direct: 0.0%  skip:99.7%  L0:41.0% L1:58.9% BI: 0.0%
  
  [libx264 @ 0x38fcf40] 8x8 transform intra:67.9% inter:94.6%
  
  [libx264 @ 0x38fcf40] direct mvs  spatial:86.6% temporal:13.4%
  
  [libx264 @ 0x38fcf40] coded y,uvDC,uvAC intra: 36.1% 36.9% 1.7% inter: 0.1% 0.1% 0.0%
  
  [libx264 @ 0x38fcf40] i16 v,h,dc,p: 32% 27%  9% 31%
  
  [libx264 @ 0x38fcf40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 13% 18%  7%  7%  8%  8%  9%  8%
  
  [libx264 @ 0x38fcf40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 16%  7%  7%  9% 10%  9%  7%  8%
  
  [libx264 @ 0x38fcf40] i8c dc,h,v,p: 73% 14%  9%  4%
  
  [libx264 @ 0x38fcf40] Weighted P-Frames: Y:0.6% UV:0.0%
  
  [libx264 @ 0x38fcf40] ref P L0: 77.5% 12.2%  9.1%  0.9%  0.2%  0.0%
  
  [libx264 @ 0x38fcf40] ref B L0: 86.6% 13.2%  0.2%  0.0%
  
  [libx264 @ 0x38fcf40] ref B L1: 89.8% 10.2%
  
  [libx264 @ 0x38fcf40] kb/s:522.05
  
  </server></server>

• Prevent output in error log when ffmpeg job is initiated via PHP's shell_exec()

  19 janvier 2016, par Jake

  I’m getting the entire output of the ffmpeg command printed to my server’s error.log — but as far as I can tell, the jobs complete successfully with no error.

  Is there any way to suppress the output ? I have seen people append stuff like >/dev/null 2>/dev/null & to their command, however that forces the command to return immediately and the job runs in the background. Unfortunately, I need the job to run in the foreground, because I need to do stuff with the output once the job is done.

  Here’s the command I am running...

  shell_exec('ffmpeg -i input.mp4 -f mp4 -c:v libx264 -preset slow -crf 24 -s 1280x720 -c:a libfdk_aac -profile:a aac_he -ar 22050 -b:a 64k -movflags +faststart output-1280x720.mp4');

  Here’s the output I am seeing...

  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] ffmpeg version N-77432-gc0f67e1 Copyright (c) 2000-2015 the FFmpeg developers
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   built with gcc 4.4.5 (Debian 4.4.5-8)
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   configuration: --prefix=/usr --enable-nonfree --enable-libfreetype --enable-gpl --enable-libx264 --enable-x11grab --enable-zlib --enable-libvpx --enable-libtheora --enable-libvorbis --enable-libfdk-aac --enable-libmp3lame --enable-libopus
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavutil      55. 11.100 / 55. 11.100
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavcodec     57. 19.100 / 57. 19.100
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavformat    57. 20.100 / 57. 20.100
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavdevice    57.  0.100 / 57.  0.100
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavfilter     6. 21.100 /  6. 21.100
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libswscale      4.  0.100 /  4.  0.100
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libswresample   2.  0.101 /  2.  0.101
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libpostproc    54.  0.100 / 54.  0.100
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test-video.mp4':
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   Metadata:
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     major_brand     : mp42
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     minor_version   : 0
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     compatible_brands: mp42mp41
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     creation_time   : 2015-07-14 22:13:20
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   Duration: 00:00:10.51, start: 0.000000, bitrate: 17178 kb/s
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 17170 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Metadata:
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       creation_time   : 2015-07-14 22:13:20
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       handler_name    : Alias Data Handler
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       encoder         : AVC Coding
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Codec AVOption b (set bitrate (in bits/s)) specified for output file #0 (test-video-480p.mp4) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Codec AVOption profile () specified for output file #0 (test-video-480p.mp4) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] [libx264 @ 0x4518ea0] using SAR=1280/1281
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] [libx264 @ 0x4518ea0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] [libx264 @ 0x4518ea0] profile High, level 3.0
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] [libx264 @ 0x4518ea0] 264 - core 120 r2151 a3f4407 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 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 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=23 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=crf mbtree=1 crf=24.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Output #0, mp4, to 'test-video-480p.mp4':
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   Metadata:
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     major_brand     : mp42
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     minor_version   : 0
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     compatible_brands: mp42mp41
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     encoder         : Lavf57.20.100
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 854x480 [SAR 1280:1281 DAR 16:9], q=-1--1, 23.98 fps, 24k tbn, 23.98 tbc (default)
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Metadata:
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       creation_time   : 2015-07-14 22:13:20
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       handler_name    : Alias Data Handler
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       encoder         : Lavc57.19.100 libx264
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Side data:
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       unknown side data type 10 (24 bytes)
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Stream mapping:
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  
  [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Press [q] to stop, [?] for help
  
  [Tue Jan 19 17:11:00 2016] [error] [client XXX.XXX.XXX.XXX] frame=   24 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    \r
  
  [Tue Jan 19 17:11:00 2016] [error] [client XXX.XXX.XXX.XXX] frame=   53 fps= 51 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    \r
  
  [Tue Jan 19 17:11:02 2016] [error] [client XXX.XXX.XXX.XXX] frame=   62 fps= 25 q=29.0 size=      75kB time=00:00:00.00 bitrate=N/A speed=   0x    \r
  
  [Tue Jan 19 17:11:02 2016] [error] [client XXX.XXX.XXX.XXX] frame=   68 fps= 20 q=29.0 size=      90kB time=00:00:00.25 bitrate=2946.8kbits/s speed=0.0745x    \r
  
  [Tue Jan 19 17:11:03 2016] [error] [client XXX.XXX.XXX.XXX] frame=   74 fps= 18 q=29.0 size=     103kB time=00:00:00.50 bitrate=1689.9kbits/s speed=0.12x    \r
  
  [Tue Jan 19 17:11:04 2016] [error] [client XXX.XXX.XXX.XXX] frame=   80 fps= 16 q=29.0 size=     115kB time=00:00:00.75 bitrate=1258.5kbits/s speed=0.148x    \r
  
  [Tue Jan 19 17:11:05 2016] [error] [client XXX.XXX.XXX.XXX] frame=   86 fps= 15 q=29.0 size=     128kB time=00:00:01.00 bitrate=1049.4kbits/s speed=0.175x    \r
  
  [Tue Jan 19 17:11:05 2016] [error] [client XXX.XXX.XXX.XXX] frame=   92 fps= 15 q=29.0 size=     140kB time=00:00:01.25 bitrate= 917.2kbits/s speed=0.201x    \r
  
  [Tue Jan 19 17:11:06 2016] [error] [client XXX.XXX.XXX.XXX] frame=   94 fps= 14 q=29.0 size=     146kB time=00:00:01.33 bitrate= 895.4kbits/s speed=0.196x    \r
  
  [Tue Jan 19 17:11:07 2016] [error] [client XXX.XXX.XXX.XXX] frame=  100 fps= 13 q=29.0 size=     158kB time=00:00:01.58 bitrate= 816.6kbits/s speed=0.211x    \r

• FFMPEG crop video output is black screen, sound is good [on hold]

  11 janvier 2016, par Oum Alaa

  I cropped a video using ffmpeg command line, the output is black screen, the sound is clear and good :

  ffmpeg -i Original.mp4 -t 00:00:29 -vf "crop=634:300:0:60" Done.mp4

  ffmpeg version :

  ffmpeg version 0.8.17-4:0.8.17-0ubuntu0.12.04.1, Copyright (c) 2000-2014 the Libav developers

  built on Mar 16 2015 13:26:50 with gcc 4.6.3

  video information :

  mediainfo '--Inform=Video;%Width%x%Height%' Original.mp4
  
  634x360

  Thanks in advance