$ PYTHONPATH=. bin/infoqscraper -c presentation download latency-pitfalls
[ac3 @ 0x1e60380] invalid bit rate
Stream mapping:
Stream #0.0 -> #0.0
Stream #1.0 -> #0.1
Error while opening encoder for output stream #0.1 - maybe incorrect parameters such as bit_rate, rate, width or height
$ ffmpeg --version
ffmpeg version 0.8.6-6:0.8.6-0ubuntu0.12.10.1, Copyright (c) 2000-2013 the Libav developers
built on Apr 2 2013 17:02:16 with gcc 4.7.2
*** THIS PROGRAM IS DEPRECATED ***
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
Missing argument for option '-version'
If I patch infoqscraper to use avconv and print the commands it's running, I see the same:
$ PYTHONPATH=. bin/infoqscraper -c presentation download latency-pitfalls
['avconv', '-v', 'error', '-i', '/home/at/.cache/infoqscraper/resources/mp4:presentations/13-mar-hownottomeasure.mp4', '-vn', '-acodec', 'libvorbis', '/tmp/infoq_H2K7V/audio.ogg']
['avconv', '-v', 'error', '-f', 'image2', '-r', '1', '-i', '/tmp/infoq_H2K7V/frame-%04d.jpg', '-i', '/tmp/infoq_H2K7V/audio.ogg', u'latency-pitfalls.avi']
File 'latency-pitfalls.avi' already exists. Overwrite ? [y/N] y
[ac3 @ 0x7febc0] invalid bit rate
Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height
$ avconv --version
avconv version 0.8.6-6:0.8.6-0ubuntu0.12.10.1, Copyright (c) 2000-2013 the Libav developers
built on Apr 2 2013 17:02:16 with gcc 4.7.2
Missing argument for option '-version'
~/.cache/infoqscraper]$ ls -lR
.:
total 4
drwxrwxr-x 4 at at 4096 Apr 15 01:38 resources/
./resources:
total 8
drwxrwxr-x 3 at at 4096 Apr 15 01:35 http:/
drwxrwxr-x 2 at at 4096 Apr 15 01:38 mp4:presentations/
./resources/http::
total 4
drwxrwxr-x 4 at at 4096 Apr 15 01:39 www.infoq.com/
./resources/http:/www.infoq.com:
total 8
drwxrwxr-x 2 at at 4096 Apr 15 01:35 presentations/
drwxrwxr-x 3 at at 4096 Apr 15 01:39 resource/
./resources/http:/www.infoq.com/presentations:
total 120
-rw-rw-r-- 1 at at 119659 Apr 15 01:35 latency-pitfalls
./resources/http:/www.infoq.com/resource:
total 4
drwxrwxr-x 3 at at 4096 Apr 15 01:39 presentations/
./resources/http:/www.infoq.com/resource/presentations:
total 4
drwxrwxr-x 3 at at 4096 Apr 15 01:39 latency-pitfalls/
./resources/http:/www.infoq.com/resource/presentations/latency-pitfalls:
total 4
drwxrwxr-x 3 at at 4096 Apr 15 01:39 en/
./resources/http:/www.infoq.com/resource/presentations/latency-pitfalls/en:
total 4
drwxrwxr-x 2 at at 4096 Apr 15 01:40 slides/
./resources/http:/www.infoq.com/resource/presentations/latency-pitfalls/en/slides:
total 5376
-rw-rw-r-- 1 at at 114799 Apr 15 01:39 sl107.jpg
-rw-rw-r-- 1 at at 143761 Apr 15 01:39 sl113.jpg
-rw-rw-r-- 1 at at 69349 Apr 15 01:39 sl114.jpg
-rw-rw-r-- 1 at at 100379 Apr 15 01:39 sl118.jpg
-rw-rw-r-- 1 at at 152491 Apr 15 01:39 sl122.jpg
-rw-rw-r-- 1 at at 84513 Apr 15 01:39 sl124.jpg
-rw-rw-r-- 1 at at 83714 Apr 15 01:39 sl127.jpg
-rw-rw-r-- 1 at at 74841 Apr 15 01:39 sl128.jpg
-rw-rw-r-- 1 at at 124762 Apr 15 01:39 sl132.jpg
-rw-rw-r-- 1 at at 104150 Apr 15 01:39 sl139.jpg
-rw-rw-r-- 1 at at 98363 Apr 15 01:39 sl144.jpg
-rw-rw-r-- 1 at at 90747 Apr 15 01:39 sl147.jpg
-rw-rw-r-- 1 at at 132999 Apr 15 01:39 sl14.jpg
-rw-rw-r-- 1 at at 130418 Apr 15 01:39 sl152.jpg
-rw-rw-r-- 1 at at 113504 Apr 15 01:40 sl156.jpg
-rw-rw-r-- 1 at at 105197 Apr 15 01:40 sl157.jpg
-rw-rw-r-- 1 at at 131151 Apr 15 01:40 sl164.jpg
-rw-rw-r-- 1 at at 65131 Apr 15 01:40 sl165.jpg
-rw-rw-r-- 1 at at 66399 Apr 15 01:40 sl166.jpg
-rw-rw-r-- 1 at at 101768 Apr 15 01:40 sl167.jpg
-rw-rw-r-- 1 at at 113009 Apr 15 01:40 sl172.jpg
-rw-rw-r-- 1 at at 132766 Apr 15 01:40 sl175.jpg
-rw-rw-r-- 1 at at 153855 Apr 15 01:40 sl180.jpg
-rw-rw-r-- 1 at at 82394 Apr 15 01:40 sl181.jpg
-rw-rw-r-- 1 at at 64969 Apr 15 01:40 sl182.jpg
-rw-rw-r-- 1 at at 109958 Apr 15 01:40 sl183.jpg
-rw-rw-r-- 1 at at 115389 Apr 15 01:40 sl187.jpg
-rw-rw-r-- 1 at at 81848 Apr 15 01:40 sl198.jpg
-rw-rw-r-- 1 at at 81263 Apr 15 01:39 sl1.jpg
-rw-rw-r-- 1 at at 129598 Apr 15 01:40 sl200.jpg
-rw-rw-r-- 1 at at 130699 Apr 15 01:40 sl217.jpg
-rw-rw-r-- 1 at at 92413 Apr 15 01:40 sl218.jpg
-rw-rw-r-- 1 at at 120505 Apr 15 01:39 sl23.jpg
-rw-rw-r-- 1 at at 74123 Apr 15 01:39 sl2.jpg
-rw-rw-r-- 1 at at 101692 Apr 15 01:39 sl30.jpg
-rw-rw-r-- 1 at at 100445 Apr 15 01:39 sl34.jpg
-rw-rw-r-- 1 at at 172973 Apr 15 01:39 sl42.jpg
-rw-rw-r-- 1 at at 129803 Apr 15 01:39 sl45.jpg
-rw-rw-r-- 1 at at 103083 Apr 15 01:39 sl50.jpg
-rw-rw-r-- 1 at at 107785 Apr 15 01:39 sl58.jpg
-rw-rw-r-- 1 at at 87702 Apr 15 01:39 sl59.jpg
-rw-rw-r-- 1 at at 101025 Apr 15 01:39 sl60.jpg
-rw-rw-r-- 1 at at 103298 Apr 15 01:39 sl63.jpg
-rw-rw-r-- 1 at at 76239 Apr 15 01:39 sl64.jpg
-rw-rw-r-- 1 at at 125948 Apr 15 01:39 sl71.jpg
-rw-rw-r-- 1 at at 127684 Apr 15 01:39 sl77.jpg
-rw-rw-r-- 1 at at 105978 Apr 15 01:39 sl83.jpg
-rw-rw-r-- 1 at at 127793 Apr 15 01:39 sl8.jpg
-rw-rw-r-- 1 at at 124370 Apr 15 01:39 sl90.jpg
-rw-rw-r-- 1 at at 134006 Apr 15 01:39 sl96.jpg
./resources/mp4:presentations:
total 153328
-rw-rw-r-- 1 at at 157006234 Apr 15 01:38 13-mar-hownottomeasure.mp4
I'm running 64-bit Ubuntu 12.10.