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1
Dont have to use Vulcan to build ffmpeg libs on heroku hardware. The precompiled linux-64 binary from the download page will work. Just get it and include in ./vendor/bin of your project.
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http://ffmpeg.org/download.html - download the ffmpeg binary and run as shown in logs below:

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download the static binary for linux-64 from ffmpeg/downloads page and include in heroku project

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insert following bash script into heroku project

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heroku logs...

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push to heroku

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alter heroku PATH to include the new binaries ( script, ffmpeg )

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3 posts below - ffmpeg pass1, ffmpeg pass2, download mp4 created by pass2

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run the script

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[ffmpeg, -y, -i, me760935400.jpg, -i, 20121216113810.wav, -r, 1/2, -pass, 1, -vcodec, libx264, -b:v, 200k, -bt, 50k, -threads, 0, -an, -f, mp4, -strict, -2, -passlogfile, mydummy, /dev/null]

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#!/bin/bash

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[ffmpeg, -y, -i, me760935400.jpg, -i, 20121216113810.wav, -r, 1/2, -pass, 2, -ar, 44100, -vcodec, libx264, -b:v, 200k, -bt, 50k, -threads, 0, -an, -f, mp4, -strict, -2, -passlogfile, mydummy, dummy.mp4]

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# get 2 input files ( jpg , wav ) and use them in 2pass ffmpeg to create an .mp4 output file

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shopt -s globstar

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method=GET path=/blob/dummy.mp4

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uri=$1

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filnam="${uri##*/}"

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2012-12-22T19:53:01+00:00 app[web.1]: Starting process [ffmpeg, -y, -i, me760935400.jpg, -i, 20121216113810.wav, -r, 1/2, -pass, 1, -vcodec, libx264, -b:v, 200k, -bt, 50k, -threads, 0, -an, -f, mp4, -strict, -2, -passlogfile, mydummy, /dev/null]

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uri2=$2

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filnam2="${uri2##*/}"

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2012-12-22T19:53:01+00:00 app[web.1]: ffmpeg version N-47810-geee8c94 Copyright (c) 2000-2012 the FFmpeg developers

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curl -#LO  $uri

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2012-12-22T19:53:01+00:00 app[web.1]:   built on Dec 13 2012 09:06:31 with gcc 4.7 (Debian 4.7.2-4)

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curl -#LO  $uri2

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2012-12-22T19:53:01+00:00 app[web.1]:   configuration: --extra-cflags=-I../static/include --extra-ldflags='-L../static/lib -static' --enable-gpl --enable-version3 --enable-static --disable-shared --disable-debug --enable-runtime-cpudetect --disable-x11grab --enable-libmp3lame --enable-libx264 --enable-libspeex --enable-libvorbis --enable-libvpx --enable-libfreetype --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-gray --enable-libopenjpeg --disable-ffserver

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ffmpeg -y -i "$filnam" -i "$filnam2" -r 1/2 -pass 1 -vcodec libx264 -b:v 200k -bt 50k  -an -f mp4 -strict -2 -passlogfile mydummy /dev/null

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2012-12-22T19:53:01+00:00 app[web.1]:   libavutil      52. 12.100 / 52. 12.100

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ffmpeg -y -i "$filnam" -i "$filnam2" -r 1/2 -pass 2 -vcodec libx264 -b:v 200k -bt 50k  -f mp4 -strict -2 -passlogfile mydummy -ar 44100 filot.mp4

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2012-12-22T19:53:01+00:00 app[web.1]:   libavcodec     54. 79.102 / 54. 79.102

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2012-12-22T19:53:01+00:00 app[web.1]:   libavformat    54. 49.101 / 54. 49.101

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$ vendor/bin/pars_submit http://files.parse.com/1315e4d8-f302-4337-adbe-d8650ab5c312/c74489cb-c962-4678-b762-f7e990cb397b-me760935400.jpg http://files.parse.com/1315e4d8-f302-4337-adbe-d8650ab5c312/f780cfa6-d569-40c6-9b23-8632db887d5c-20121216113810.wav

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2012-12-22T19:53:01+00:00 app[web.1]:   libavdevice    54.  3.102 / 54.  3.102

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http://files.parse.com/1315e4d8-f302-4337-adbe-d8650ab5c312/c74489cb-c962-4678-b762-f7e990cb397b-me760935400.jpg

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2012-12-22T19:53:01+00:00 app[web.1]:   libavfilter     3. 27.101 /  3. 27.101

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c74489cb-c962-4678-b762-f7e990cb397b-me760935400.jpg

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2012-12-22T19:53:01+00:00 app[web.1]:   libswscale      2.  1.103 /  2.  1.103

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2012-12-22T19:53:01+00:00 app[web.1]:   libswresample   0. 17.102 /  0. 17.102

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############################################################################################################################# 100.0%

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2012-12-22T19:53:01+00:00 app[web.1]:   libpostproc    52.  2.100 / 52.  2.100

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############################################################################################################################# 100.0%

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2012-12-22T19:53:01+00:00 app[web.1]: Input #0, image2, from 'me760935400.jpg':

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ffmpeg version N-47810-geee8c94 Copyright (c) 2000-2012 the FFmpeg developers

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2012-12-22T19:53:01+00:00 app[web.1]:   Duration: 00:00:00.04, start: 0.000000, bitrate: N/A

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  built on Dec 13 2012 09:06:31 with gcc 4.7 (Debian 4.7.2-4)

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2012-12-22T19:53:01+00:00 app[web.1]:     Stream #0:0: Video: mjpeg, yuvj420p, 1296x972 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc

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  configuration: --extra-cflags=-I../static/include --extra-ldflags='-L../static/lib -static' --enable-gpl --enable-version3 --enable-static --disable-shared --disable-debug --enable-runtime-cpudetect --disable-x11grab --enable-libmp3lame --enable-libx264 --enable-libspeex --enable-libvorbis --enable-libvpx --enable-libfreetype --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-gray --enable-libopenjpeg --disable-ffserver

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2012-12-22T19:53:01+00:00 app[web.1]: [wav @ 0x255bd60] max_analyze_duration 5000000 reached at 5120000

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  libavutil      52. 12.100 / 52. 12.100

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2012-12-22T19:53:01+00:00 app[web.1]: Guessed Channel Layout for  Input Stream #1.0 : mono

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  libavcodec     54. 79.102 / 54. 79.102

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2012-12-22T19:53:01+00:00 app[web.1]: Input #1, wav, from '20121216113810.wav':

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  libavformat    54. 49.101 / 54. 49.101

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2012-12-22T19:53:01+00:00 app[web.1]:   Duration: 00:00:21.27, bitrate: 256 kb/s

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  libavdevice    54.  3.102 / 54.  3.102

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2012-12-22T19:53:01+00:00 app[web.1]:     Stream #1:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 16000 Hz, mono, s16, 256 kb/s

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  libavfilter     3. 27.101 /  3. 27.101

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2012-12-22T19:53:01+00:00 app[web.1]: [libx264 @ 0x255a2e0] using SAR=1/1

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  libswscale      2.  1.103 /  2.  1.103

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2012-12-22T19:53:01+00:00 app[web.1]: [libx264 @ 0x255a2e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2

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  libswresample   0. 17.102 /  0. 17.102

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2012-12-22T19:53:01+00:00 app[web.1]: [libx264 @ 0x255a2e0] profile Main, level 3.2

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  libpostproc    52.  2.100 / 52.  2.100

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2012-12-22T19:53:01+00:00 app[web.1]: [libx264 @ 0x255a2e0] 264 - core 129 r2230 1cffe9f - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x1:0 me=dia subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 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=1 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=200 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00

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Input #0, image2, from 'c74489cb-c962-4678-b762-f7e990cb397b-me760935400.jpg':

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2012-12-22T19:53:01+00:00 app[web.1]: Output #0, mp4, to '/dev/null':

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  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A

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2012-12-22T19:53:01+00:00 app[web.1]:   Metadata:

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    Stream #0:0: Video: mjpeg, yuvj420p, 1296x972 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc

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2012-12-22T19:53:01+00:00 app[web.1]:     encoder         : Lavf54.49.101

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[wav @ 0x2984700] max_analyze_duration 5000000 reached at 5120000

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2012-12-22T19:53:01+00:00 app[web.1]:     Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuvj420p, 1296x972 [SAR 1:1 DAR 4:3], q=-1--1, pass 1, 200 kb/s, 16384 tbn, 0.50 tbc

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Guessed Channel Layout for  Input Stream #1.0 : mono

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2012-12-22T19:53:01+00:00 app[web.1]: Stream mapping:

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Input #1, wav, from 'f780cfa6-d569-40c6-9b23-8632db887d5c-20121216113810.wav':

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2012-12-22T19:53:01+00:00 app[web.1]:   Stream #0:0 -> #0:0 (mjpeg -> libx264)

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  Duration: 00:00:21.27, bitrate: 256 kb/s

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2012-12-22T19:53:01+00:00 app[web.1]: Press [q] to stop, [?] for help

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    Stream #1:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 16000 Hz, mono, s16, 256 kb/s

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2012-12-22T19:53:02+00:00 app[web.1]: frame=    1 fps=0.0 q=4.0 Lsize=     848kB time=00:00:02.00 bitrate=3472.1kbits/s    

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File '/dev/null' already exists. Overwrite ? [y/N] y

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2012-12-22T19:53:02+00:00 app[web.1]: video:847kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.087747%

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using SAR=1/1

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2012-12-22T19:53:02+00:00 app[web.1]: [libx264 @ 0x255a2e0] frame I:1     Avg QP: 5.49  size:866529

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[libx264 @ 0x298b000] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2

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2012-12-22T19:53:02+00:00 app[web.1]: [libx264 @ 0x255a2e0] mb I  I16..4:  7.4%  0.0% 92.6%

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[libx264 @ 0x298b000] profile Main, level 3.2

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2012-12-22T19:53:02+00:00 app[web.1]: [libx264 @ 0x255a2e0] final ratefactor: 28.98

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[libx264 @ 0x298b000] 264 - core 129 r2230 1cffe9f - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x1:0 me=dia subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 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=1 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=200 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00

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2012-12-22T19:53:02+00:00 app[web.1]: [libx264 @ 0x255a2e0] coded y,uvDC,uvAC intra: 99.8% 99.8% 99.7%

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Output #0, mp4, to '/dev/null':

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2012-12-22T19:53:02+00:00 app[web.1]: [libx264 @ 0x255a2e0] i16 v,h,dc,p: 10%  5% 70% 15%

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  Metadata:

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2012-12-22T19:53:02+00:00 app[web.1]: [libx264 @ 0x255a2e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 14% 12%  6%  6%  7% 14%  8% 13%

54+
    encoder         : Lavf54.49.101

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2012-12-22T19:53:02+00:00 app[web.1]: [libx264 @ 0x255a2e0] i8c dc,h,v,p: 45% 19% 22% 14%

55+
    Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuvj420p, 1296x972 [SAR 1:1 DAR 4:3], q=-1--1, pass 1, 200 kb/s, 16384 tbn, 0.50 tbc

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2012-12-22T19:53:02+00:00 app[web.1]: [libx264 @ 0x255a2e0] kb/s:3466.12

56+
Stream mapping:

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2012-12-22T19:53:02+00:00 heroku[router]: at=info method=GET path=/ffmpeg?infil1=me760935400.jpg&infil2=20121216113810.wav&outfil=pass1 host=nameless-sands-7303.herokuapp.com fwd=108.192.16.200 dyno=web.1 queue=0 wait=0ms connect=14ms service=1536ms status=200 bytes=19

57+
  Stream #0:0 -> #0:0 (mjpeg -> libx264)

58-
==ENDOF response 1

58+
Press [q] to stop, [?] for help

59-
 

59+
frame=    1 fps=0.0 q=4.0 Lsize=     848kB time=00:00:02.00 bitrate=3472.1kbits/s    

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2012-12-22T19:53:38+00:00 app[web.1]: Starting process [ffmpeg, -y, -i, me760935400.jpg, -i, 20121216113810.wav, -r, 1/2, -pass, 2, -ar, 44100, -vcodec, libx264, -b:v, 200k, -bt, 50k, -threads, 0, -an, -f, mp4, -strict, -2, -passlogfile, mydummy, dummy.mp4]

60+
video:847kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.087747%

61-
 

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[libx264 @ 0x298b000] frame I:1     Avg QP: 5.49  size:866529

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2012-12-22T19:53:38+00:00 app[web.1]: ffmpeg version N-47810-geee8c94 Copyright (c) 2000-2012 the FFmpeg developers

62+
[libx264 @ 0x298b000] mb I  I16..4:  7.4%  0.0% 92.6%

63-
2012-12-22T19:53:38+00:00 app[web.1]:   built on Dec 13 2012 09:06:31 with gcc 4.7 (Debian 4.7.2-4)

63+
[libx264 @ 0x298b000] final ratefactor: 28.98

64-
2012-12-22T19:53:38+00:00 app[web.1]:   configuration: --extra-cflags=-I../static/include --extra-ldflags='-L../static/lib -static' --enable-gpl --enable-version3 --enable-static --disable-shared --disable-debug --enable-runtime-cpudetect --disable-x11grab --enable-libmp3lame --enable-libx264 --enable-libspeex --enable-libvorbis --enable-libvpx --enable-libfreetype --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-gray --enable-libopenjpeg --disable-ffserver

64+
[libx264 @ 0x298b000] coded y,uvDC,uvAC intra: 99.8% 99.8% 99.7%

65-
2012-12-22T19:53:38+00:00 app[web.1]:   libavutil      52. 12.100 / 52. 12.100

65+
[libx264 @ 0x298b000] i16 v,h,dc,p: 10%  5% 70% 15%

66-
2012-12-22T19:53:38+00:00 app[web.1]:   libavcodec     54. 79.102 / 54. 79.102

66+
[libx264 @ 0x298b000] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 14% 12%  6%  6%  7% 14%  8% 13%

67-
2012-12-22T19:53:38+00:00 app[web.1]:   libavformat    54. 49.101 / 54. 49.101

67+
[libx264 @ 0x298b000] i8c dc,h,v,p: 45% 19% 22% 14%

68-
2012-12-22T19:53:38+00:00 app[web.1]:   libavdevice    54.  3.102 / 54.  3.102

68+
[libx264 @ 0x298b000] kb/s:3466.12
        

    


            


                                


        

            



                
    

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