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  • flv reencode to mp4 for iphone/ipod via ffmpeg and x264 (quality issue)

    3 octobre 2011, par zeroasterisk

    There are a lot of questions on this topic, and I've read most of them and most of the google search results I could come up with.

    When I use FFMPEG to convert a FLV to a iphone3 compatble MP4 file, it just doesn't preserver enough of the quality. Yes, I've worked the hell out of -sameq and -b and -bt settings, text just isn't readable.

    Next I tried to split the video out and process it directly, using these instructions :
    https://sites.google.com/site/linuxencoding/x264-encoding-guide

    The problem is myplayer (via ffmpeg) was not able to determine the duration of the FLV (even though the metadata was set).

    (I assume) Because of that unknown duration, when I create the MP4 file, the resulting x264 file plays through super-fast while the audio plays at the normal rate.

    user@server:/tmp# mplayer -nosound -benchmark -sws 9 -vf dsize=640:480:0,scale=0:0,expand=640:480 -vo yuv4mpeg:file=>(x264 --demuxer y4m --crf 0 --preset slow --threads auto --output output.264 - 2>x264.log) 'input.flv'
    MPlayer 1.0rc4-4.4.5 (C) 2000-2010 MPlayer Team
    mplayer: could not connect to socket
    mplayer: No such file or directory
    Failed to open LIRC support. You will not be able to use your remote control.

    Playing input.flv.
    libavformat file format detected.
    [flv @ 0x1202460]Estimating duration from bitrate, this may be inaccurate
    [lavf] stream 0: video (vp6f), -vid 0
    [lavf] stream 1: audio (nellymoser), -aid 0
    VIDEO:  [VP6F]  1680x992  0bpp  1000.000 fps   33.4 kbps ( 4.1 kbyte/s)
    Clip info:
    audiocodecid: 6
    audiodatarate: 86
    audiosamplerate: 44100
    audiosamplesize: 16
    audiosize: 6097005
    canSeekToEnd: true
    datasize: 8609138
    duration: 567
    framerate: 2
    hasAudio: true
    hasCuePoints: false
    hasKeyframes: true
    hasMetadata: true
    hasVideo: true
    height: 992
    lasttimestamp: 567
    metadatacreator: flvtool++ (Facebook, Motion project, dweatherford)
    stereo: false
    totalframes: 1043
    videocodecid: 4
    videodatarate: 33
    videosize: 2316256
    width: 1680
    Using (default) progressive frame mode.Opening video filter: [expand w=640 h=480]
    Expand: 640 x 480, -1 ; -1, osd: 0, aspect: 0.000000, round: 1
    Opening video filter: [scale w=0 h=0]
    Opening video filter: [dsize=640:480:0]
    ==========================================================================
    Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
    Selected video codec: [ffvp6f] vfm: ffmpeg (FFmpeg VP6 Flash)
    ==========================================================================
    Audio: no sound
    Starting playback...
    Movie-Aspect is undefined - no prescaling applied.
    [swscaler @ 0x7f0c738b9620]Lanczos scaler, from yuv420p to yuv420p using MMX2
    VO: [yuv4mpeg] 640x480 => 641x480 Planar YV12

    I have also tried specifying FPS, but no change in results

    user@server:/tmp# mplayer -nosound -fps 25-benchmark -sws 9 -vf dsize=640:480:0,scale=0:0,expand=640:480 -vo yuv4mpeg:file=>(x264 --demuxer y4m --fps 25 --crf 0 --preset slow --threads auto --output output.264 - 2>x264.log) 'input.flv'

    Can someone tell me how to either :

    1. fix my split A/V processing/timing/duration issues ?
    2. improve the
      quality of the FFMPEG conversion of FLV to iphone3 compatible
      format ?
  • flv reencode to mp4 for iphone/ipod via ffmpeg and x264 (quality issue)

    3 octobre 2011, par zeroasterisk

    There are a lot of questions on this topic, and I've read most of them and most of the google search results I could come up with.

    When I use FFMPEG to convert a FLV to a iphone3 compatble MP4 file, it just doesn't preserver enough of the quality. Yes, I've worked the hell out of -sameq and -b and -bt settings, text just isn't readable.

    Next I tried to split the video out and process it directly, using these instructions :
    https://sites.google.com/site/linuxencoding/x264-encoding-guide

    The problem is myplayer (via ffmpeg) was not able to determine the duration of the FLV (even though the metadata was set).

    (I assume) Because of that unknown duration, when I create the MP4 file, the resulting x264 file plays through super-fast while the audio plays at the normal rate.

    user@server:/tmp# mplayer -nosound -benchmark -sws 9 -vf dsize=640:480:0,scale=0:0,expand=640:480 -vo yuv4mpeg:file=>(x264 --demuxer y4m --crf 0 --preset slow --threads auto --output output.264 - 2>x264.log) 'input.flv'
    MPlayer 1.0rc4-4.4.5 (C) 2000-2010 MPlayer Team
    mplayer: could not connect to socket
    mplayer: No such file or directory
    Failed to open LIRC support. You will not be able to use your remote control.

    Playing input.flv.
    libavformat file format detected.
    [flv @ 0x1202460]Estimating duration from bitrate, this may be inaccurate
    [lavf] stream 0: video (vp6f), -vid 0
    [lavf] stream 1: audio (nellymoser), -aid 0
    VIDEO:  [VP6F]  1680x992  0bpp  1000.000 fps   33.4 kbps ( 4.1 kbyte/s)
    Clip info:
    audiocodecid: 6
    audiodatarate: 86
    audiosamplerate: 44100
    audiosamplesize: 16
    audiosize: 6097005
    canSeekToEnd: true
    datasize: 8609138
    duration: 567
    framerate: 2
    hasAudio: true
    hasCuePoints: false
    hasKeyframes: true
    hasMetadata: true
    hasVideo: true
    height: 992
    lasttimestamp: 567
    metadatacreator: flvtool++ (Facebook, Motion project, dweatherford)
    stereo: false
    totalframes: 1043
    videocodecid: 4
    videodatarate: 33
    videosize: 2316256
    width: 1680
    Using (default) progressive frame mode.Opening video filter: [expand w=640 h=480]
    Expand: 640 x 480, -1 ; -1, osd: 0, aspect: 0.000000, round: 1
    Opening video filter: [scale w=0 h=0]
    Opening video filter: [dsize=640:480:0]
    ==========================================================================
    Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
    Selected video codec: [ffvp6f] vfm: ffmpeg (FFmpeg VP6 Flash)
    ==========================================================================
    Audio: no sound
    Starting playback...
    Movie-Aspect is undefined - no prescaling applied.
    [swscaler @ 0x7f0c738b9620]Lanczos scaler, from yuv420p to yuv420p using MMX2
    VO: [yuv4mpeg] 640x480 => 641x480 Planar YV12

    I have also tried specifying FPS, but no change in results

    user@server:/tmp# mplayer -nosound -fps 25-benchmark -sws 9 -vf dsize=640:480:0,scale=0:0,expand=640:480 -vo yuv4mpeg:file=>(x264 --demuxer y4m --fps 25 --crf 0 --preset slow --threads auto --output output.264 - 2>x264.log) 'input.flv'

    Can someone tell me how to either :

    1. fix my split A/V processing/timing/duration issues ?
    2. improve the
      quality of the FFMPEG conversion of FLV to iphone3 compatible
      format ?
  • Playing videos on iPhone after video conversion using ffmpeg

    12 juillet 2013, par Shashi

    It is a backend API(developed in Ruby on Rails) which is used by iphone and android mobiles to upload the videos. API is converting uploaded videos to MP4 format. I am using paperclip-ffmpeg gem for video conversion at backend. Here is what I used :

    has_attached_file :video ,
                 :styles=>{
                   :medium=>{ :geometry=>"480x360",:format=>'mp4',:streaming => true,
                       :convert_options => { :output =>
                                           {
                                             :acodec => 'aac',
                                             :ac => 2 ,
                                             :strict => 'experimental',
                                             'b:a' => '160k',

                                             :vcodec => 'libx264',
                                             :preset => 'slow',
                                             'profile:v' => 'baseline',
                                             :level => '30',
                                             :maxrate => '10000000',
                                             :bufsize => '10000000',
                                             'b:v' => '750k',
                                             :f => 'mp4',
                                             :threads => '0'
                                           }
                                       } },
                     :thumb => { :geometry => "160x120", :format => 'jpg', :time => 2 },
                     :thumb_large => { :geometry => "520x390", :format => 'jpg', :time => 2}
                   }, :processors => [:ffmpeg, :qtfaststart],
           :path => path/to/store/video,
           :url => url/of/video

    Problems I am facing are :

    When user uploads videos from android mobile it works perfect on android but does not play on iPhone. One more strange thing happens when user upload videos from iPhone, then it play perfect just after video upload, but after some time(2 or 3 hours) it stops to play those videos.

    How can I get rid of both these issues ? Any suggestion would be appreciated. Thanks

    @Michael, here is the detailed log for the video conversion uploaded by android mobile

    ffmpeg version git-2013-05-28-ced0307 Copyright (c) 2000-2013 the FFmpeg developers
     built on May 28 2013 07:45:18 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
     configuration: --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libopus --enable-libvpx --enable-x11grab --enable-libx264 --enable-nonfree --enable-version3
     libavutil      52. 34.100 / 52. 34.100
     libavcodec     55. 12.100 / 55. 12.100
     libavformat    55.  7.100 / 55.  7.100
     libavdevice    55.  1.101 / 55.  1.101
     libavfilter     3. 72.100 /  3. 72.100
     libswscale      2.  3.100 /  2.  3.100
     libswresample   0. 17.102 /  0. 17.102
     libpostproc    52.  3.100 / 52.  3.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l':
     Metadata:
       major_brand     : isom
       minor_version   : 0
       compatible_brands: isom3gp4
       creation_time   : 2013-06-19 15:39:02
     Duration: 00:00:25.88, start: 0.000000, bitrate: 16700 kb/s
       Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080, 16829 kb/s, 29.75 fps, 30 tbr, 90k tbn, 180k tbc
       Metadata:
         rotate          : 90
         creation_time   : 2013-06-19 15:39:02
         handler_name    : VideoHandle
       Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 122 kb/s
       Metadata:
         creation_time   : 2013-06-19 15:39:02
         handler_name    : SoundHandle
    [libx264 @ 0x2613c00] using cpu capabilities: MMX2 SSE2Fast SSEMisalign LZCNT
    [libx264 @ 0x2613c00] profile Constrained Baseline, level 3.0
    [libx264 @ 0x2613c00] 264 - core 133 r2 a3ac64b - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=0 ref=5 deblock=1:0:0 analyse=0x1:0x111 me=umh subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=3 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=750 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=10000 vbv_bufsize=10000 nal_hrd=none ip_ratio=1.40 aq=1:1.00
    Output #0, mp4, to '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 0
       compatible_brands: isom3gp4
       encoder         : Lavf55.7.100
       Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x360, q=-1--1, 750 kb/s, 15360 tbn, 30 tbc
       Metadata:
         rotate          : 90
         creation_time   : 2013-06-19 15:39:02
         handler_name    : VideoHandle
       Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz, stereo, fltp, 160 kb/s
       Metadata:
         creation_time   : 2013-06-19 15:39:02
         handler_name    : SoundHandle
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 -> libx264)
     Stream #0:1 -> #0:1 (aac -> aac)
    Press [q] to stop, [?] for help
    frame=  765 fps= 19 q=-1.0 Lsize=    2621kB time=00:00:25.88 bitrate= 829.4kbits/s dup=7 drop=0    
    video:2093kB audio:504kB subtitle:0 global headers:0kB muxing overhead 0.878228%
    [libx264 @ 0x2613c00] frame I:4     Avg QP:25.48  size: 11731
    [libx264 @ 0x2613c00] frame P:761   Avg QP:26.71  size:  2754
    [libx264 @ 0x2613c00] mb I  I16..4: 33.0%  0.0% 67.0%
    [libx264 @ 0x2613c00] mb P  I16..4:  2.1%  0.0%  0.9%  P16..4: 47.2%  9.5%  3.4%  0.0%  0.0%    skip:36.9%
    [libx264 @ 0x2613c00] final ratefactor: 23.58
    [libx264 @ 0x2613c00] coded y,uvDC,uvAC intra: 31.9% 54.5% 9.5% inter: 11.9% 24.4% 0.5%
    [libx264 @ 0x2613c00] i16 v,h,dc,p: 25% 33%  7% 34%
    [libx264 @ 0x2613c00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17% 14%  9% 14% 10% 10% 11%  8%  7%
    [libx264 @ 0x2613c00] i8c dc,h,v,p: 50% 25% 17%  9%
    [libx264 @ 0x2613c00] ref P L0: 67.6% 15.2% 10.1%  3.9%  3.2%
    [libx264 @ 0x2613c00] kb/s:672.30
    ffmpeg version git-2013-05-28-ced0307 Copyright (c) 2000-2013 the FFmpeg developers
     built on May 28 2013 07:45:18 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
     configuration: --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libopus --enable-libvpx --enable-x11grab --enable-libx264 --enable-nonfree --enable-version3
     libavutil      52. 34.100 / 52. 34.100
     libavcodec     55. 12.100 / 55. 12.100
     libavformat    55.  7.100 / 55.  7.100
     libavdevice    55.  1.101 / 55.  1.101
     libavfilter     3. 72.100 /  3. 72.100 octet-stream\r\n" name="video" tempfile=#tmp/RackMultipart20130620-28711-187049m>>
     libswscale      2.  3.100 /  2.  3.100
     libswresample   0. 17.102 /  0. 17.102
     libpostproc    52.  3.100 / 52.  3.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.7.100
     Duration: 00:00:25.91, start: 0.021333, bitrate: 828 kb/s
       Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360, 672 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc
       Metadata:
         rotate          : 90
         handler_name    : VideoHandler
       Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 159 kb/s
       Metadata:
         handler_name    : SoundHandler
    [libx264 @ 0x326d820] using cpu capabilities: MMX2 SSE2Fast SSEMisalign LZCNT
    [libx264 @ 0x326d820] profile Constrained Baseline, level 3.0
    [libx264 @ 0x326d820] 264 - core 133 r2 a3ac64b - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=0 ref=5 deblock=1:0:0 analyse=0x1:0x111 me=umh subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=3 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=750 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=10000 vbv_bufsize=10000 nal_hrd=none ip_ratio=1.40 aq=1:1.00
    Output #0, mp4, to '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi0620130620-28711-130rd1i.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.7.100
       Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 480x270, q=-1--1, 750 kb/s, 15360 tbn, 30 tbc
       Metadata:
         rotate          : 90
         handler_name    : VideoHandler
       Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz, stereo, fltp, 160 kb/s
       Metadata:
         handler_name    : SoundHandler
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 -> libx264)
     Stream #0:1 -> #0:1 (aac -> aac)
    Press [q] to stop, [?] for help
    frame=  766 fps= 38 q=-1.0 Lsize=    2666kB time=00:00:25.90 bitrate= 843.2kbits/s dup=1 drop=0    
    video:2138kB audio:505kB subtitle:0 global headers:0kB muxing overhead 0.863633%
    [libx264 @ 0x326d820] frame I:4     Avg QP:20.82  size: 11283
    [libx264 @ 0x326d820] frame P:762   Avg QP:22.03  size:  2813
    [libx264 @ 0x326d820] mb I  I16..4: 19.9%  0.0% 80.1%
    [libx264 @ 0x326d820] mb P  I16..4:  1.7%  0.0%  1.1%  P16..4: 49.3% 20.6%  7.0%  0.0%  0.0%    skip:20.3%
    [libx264 @ 0x326d820] final ratefactor: 19.24
    [libx264 @ 0x326d820] coded y,uvDC,uvAC intra: 43.4% 76.7% 29.0% inter: 23.0% 44.6% 1.7%
    [libx264 @ 0x326d820] i16 v,h,dc,p: 23% 29%  9% 39%
    [libx264 @ 0x326d820] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 21%  9% 11% 10% 10% 11%  8%  8%
    [libx264 @ 0x326d820] i8c dc,h,v,p: 44% 26% 18% 12%
    [libx264 @ 0x326d820] ref P L0: 74.0% 13.1%  7.7%  3.0%  2.1%
    [libx264 @ 0x326d820] kb/s:685.81
    ffmpeg version git-2013-05-28-ced0307 Copyright (c) 2000-2013 the FFmpeg developers
     built on May 28 2013 07:45:18 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
     configuration: --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libopus --enable-libvpx --enable-x11grab --enable-libx264 --enable-nonfree --enable-version3
     libavutil      52. 34.100 / 52. 34.100
     libavcodec     55. 12.100 / 55. 12.100
     libavformat    55.  7.100 / 55.  7.100
     libavdevice    55.  1.101 / 55.  1.101
     libavfilter     3. 72.100 /  3. 72.100
     libswscale      2.  3.100 /  2.  3.100
     libswresample   0. 17.102 /  0. 17.102
     libpostproc    52.  3.100 / 52.  3.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.7.100
     Duration: 00:00:25.91, start: 0.021333, bitrate: 828 kb/s
       Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360, 672 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc
       Metadata:
         rotate          : 90
         handler_name    : VideoHandler
       Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 159 kb/s
       Metadata:
         handler_name    : SoundHandler
    Output #0, image2, to '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi0620130620-28711-1bdslpu.jpg':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.7.100
       Stream #0:0(eng): Video: mjpeg, yuvj420p, 160x90, q=2-31, 200 kb/s, 90k tbn, 30 tbc
       Metadata:
         rotate          : 90
         handler_name    : VideoHandler
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 -> mjpeg)
    Press [q] to stop, [?] for help
    frame=    1 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.03 bitrate=N/A dup=0 drop=57    
    video:4kB audio:0kB subtitle:0 global headers:0kB muxing overhead -100.479303%
    ffmpeg version git-2013-05-28-ced0307 Copyright (c) 2000-2013 the FFmpeg developers
     built on May 28 2013 07:45:18 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
     configuration: --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libopus --enable-libvpx --enable-x11grab --enable-libx264 --enable-nonfree --enable-version3
     libavutil      52. 34.100 / 52. 34.100
     libavcodec     55. 12.100 / 55. 12.100
     libavformat    55.  7.100 / 55.  7.100
     libavdevice    55.  1.101 / 55.  1.101
     libavfilter     3. 72.100 /  3. 72.100
     libswscale      2.  3.100 /  2.  3.100
     libswresample   0. 17.102 /  0. 17.102
     libpostproc    52.  3.100 / 52.  3.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.7.100
     Duration: 00:00:25.91, start: 0.021333, bitrate: 828 kb/s
       Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360, 672 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc
       Metadata:
         rotate          : 90
         handler_name    : VideoHandler
       Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 159 kb/s
       Metadata:
         handler_name    : SoundHandler
    Output #0, image2, to '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi0620130620-28711-1vp4al6.jpg':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.7.100
       Stream #0:0(eng): Video: mjpeg, yuvj420p, 520x292, q=2-31, 200 kb/s, 90k tbn, 30 tbc
       Metadata:
         rotate          : 90
         handler_name    : VideoHandler
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 -> mjpeg)
    Press [q] to stop, [?] for help
    frame=    1 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.03 bitrate=N/A dup=0 drop=57    
    video:19kB audio:0kB subtitle:0 global headers:0kB muxing overhead -100.113677%


    Started POST "/api/v1/videos/create" for 69.42.0.13 at 2013-06-20 09:41:50 -0500
    Command :: file -b --mime '/tmp/RackMultipart20130620-28711-187049m'
    [paperclip] [ffmpeg] ffmpeg -i "/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l" 2>&1
    [paperclip] [ffmpeg] Command Success
    [paperclip] [ffmpeg] Making...
    [paperclip] [ffmpeg] Building Destination File: 'RackMultipart20130620-28711-187049m20130620-28711-2x7b7l' + 'mp4'
    [paperclip] [ffmpeg] Destination File Built
    [paperclip] [ffmpeg] Adding Geometry
    [paperclip] [ffmpeg] Extracting Target Dimensions
    [paperclip] [ffmpeg] Target Size is Available
    [paperclip] [ffmpeg] Keeping Aspect Ratio
    [paperclip] [ffmpeg] Resize
    [paperclip] [ffmpeg] Convert Options: 640x360
    [paperclip] [ffmpeg] Adding Format
    [paperclip] [ffmpeg] Adding Source
    [paperclip] [ffmpeg] Building Parameters
    [paperclip] [ffmpeg] -i :source -acodec aac -ac 2 -strict experimental -b:a 160k -vcodec libx264 -preset slow -profile:v baseline -level 30 -maxrate 10000000 -bufsize 10000000 -b:v 750k -f mp4 -threads 0 -s 640x360 -y :dest
    Command :: ffmpeg -i '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l' -acodec aac -ac 2 -strict experimental -b:a 160k -vcodec libx264 -preset slow -profile:v baseline -level 30 -maxrate 10000000 -bufsize 10000000 -b:v 750k -f mp4 -threads 0 -s 640x360 -y '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p.mp4'
    [paperclip] [qt-faststart] :source :dest
    Command :: qt-faststart '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p.mp4' '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl.mp4'
    [paperclip] [ffmpeg] ffmpeg -i "/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4" 2>&1
    [paperclip] [ffmpeg] Command Success
    [paperclip] [ffmpeg] Making...
    [paperclip] [ffmpeg] Building Destination File: 'RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06' + 'mp4'
    [paperclip] [ffmpeg] Destination File Built
    [paperclip] [ffmpeg] Adding Geometry
    [paperclip] [ffmpeg] Extracting Target Dimensions
    [paperclip] [ffmpeg] Target Size is Available
    [paperclip] [ffmpeg] Keeping Aspect Ratio
    [paperclip] [ffmpeg] Resize
    [paperclip] [ffmpeg] Convert Options: 480x270
    [paperclip] [ffmpeg] Adding Format
    [paperclip] [ffmpeg] Adding Source
    [paperclip] [ffmpeg] Building Parameters
    [paperclip] [ffmpeg] -i :source -acodec aac -ac 2 -strict experimental -b:a 160k -vcodec libx264 -preset slow -profile:v baseline -level 30 -maxrate 10000000 -bufsize 10000000 -b:v 750k -f mp4 -threads 0 -s 480x270 -y :dest
    Command :: ffmpeg -i '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4' -acodec aac -ac 2 -strict experimental -b:a 160k -vcodec libx264 -preset slow -profile:v baseline -level 30 -maxrate 10000000 -bufsize 10000000 -b:v 750k -f mp4 -threads 0 -s 480x270 -y '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi0620130620-28711-130rd1i.mp4'
    [paperclip] [qt-faststart] :source :dest
    Command :: qt-faststart '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi0620130620-28711-130rd1i.mp4' '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi0620130620-28711-130rd1i20130620-28711-snde6v.mp4'
    [paperclip] [ffmpeg] ffmpeg -i "/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4" 2>&1
    [paperclip] [ffmpeg] Command Success
    [paperclip] [ffmpeg] Making...
    [paperclip] [ffmpeg] Building Destination File: 'RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06' + 'jpg'
    [paperclip] [ffmpeg] Destination File Built
    [paperclip] [ffmpeg] Adding Geometry
    [paperclip] [ffmpeg] Extracting Target Dimensions
    [paperclip] [ffmpeg] Target Size is Available
    [paperclip] [ffmpeg] Keeping Aspect Ratio
    [paperclip] [ffmpeg] Resize
    [paperclip] [ffmpeg] Convert Options: 160x90
    [paperclip] [ffmpeg] Adding Format
    [paperclip] [ffmpeg] Adding Source
    [paperclip] [ffmpeg] Building Parameters
    [paperclip] [ffmpeg] -ss 2 -i :source -s 160x90 -vframes 1 -f image2 -y :dest
    Command :: ffmpeg -ss 2 -i '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4' -s 160x90 -vframes 1 -f image2 -y '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi0620130620-28711-1bdslpu.jpg'
    [paperclip] [ffmpeg] ffmpeg -i "/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4" 2>&1
    [paperclip] [ffmpeg] Command Success
    [paperclip] [ffmpeg] Making...
    [paperclip] [ffmpeg] Building Destination File: 'RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06' + 'jpg'
    [paperclip] [ffmpeg] Destination File Built
    [paperclip] [ffmpeg] Adding Geometry
    [paperclip] [ffmpeg] Extracting Target Dimensions
    [paperclip] [ffmpeg] Target Size is Available
    [paperclip] [ffmpeg] Keeping Aspect Ratio
    [paperclip] [ffmpeg] Resize
    [paperclip] [ffmpeg] Convert Options: 520x292
    [paperclip] [ffmpeg] Adding Format
    [paperclip] [ffmpeg] Adding Source
    [paperclip] [ffmpeg] Building Parameters
    [paperclip] [ffmpeg] -ss 2 -i :source -s 520x292 -vframes 1 -f image2 -y :dest
    Command :: ffmpeg -ss 2 -i '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi06.mp4' -s 520x292 -vframes 1 -f image2 -y '/tmp/RackMultipart20130620-28711-187049m20130620-28711-2x7b7l20130620-28711-uibd1p20130620-28711-1tgemjl20130620-28711-15qsi0620130620-28711-1vp4al6.jpg'
    [paperclip] Saving attachments.