Seeking in voc

[Carl Eugen Hoyos]

(related to issue 1082)

Seeking in ​http://samples.ffmpeg.org/voc/pcm_s16_2/nem.voc fails:

$ ffplay nem.voc
ffplay version N-40924-g349c624 Copyright (c) 2003-2012 the FFmpeg developers
  built on May 21 2012 07:59:42 with gcc 4.3.2
  configuration: --cc=/usr/local/gcc-4.3.2/bin/gcc --enable-gpl --enable-libopenjpeg --enable-libvorbis --enable-libspeex --enable-libmp3lame --enable-libtheora --extra-ldflags=-lm
  libavutil      51. 53.100 / 51. 53.100
  libavcodec     54. 21.101 / 54. 21.101
  libavformat    54.  5.101 / 54.  5.101
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 75.100 /  2. 75.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[voc @ 0x8f43fe0] max_analyze_duration 5000000 reached at 5003900
[voc @ 0x8f43fe0] Estimating duration from bitrate, this may be inaccurate
Input #0, voc, from 'nem.voc':
  Duration: 00:00:17.28, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
nem.voc: error while seeking

[Michael Niedermayer]

Fixed in c8f83a4c78e429ebd6184e5cd663fdf65c48b9cc