Wrong audio codec in rm file

[Carl Eugen Hoyos]

The sample 08_lect_01.rm in ​http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket2152/ (videolan ticket 10084) contains multiple audio tracks, only one track contains data which is cook audio as shown by mplayer -demuxer real

$ ffmpeg -i 08_lect_01.rm
ffmpeg version N-71515-ga40cee0 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl
  libavutil      54. 22.101 / 54. 22.101
  libavcodec     56. 34.100 / 56. 34.100
  libavformat    56. 30.100 / 56. 30.100
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 14.100 /  5. 14.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
[rm @ 0x294c3a0] MLTI with multiple MDPR is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[rm @ 0x294c3a0] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)
[rm @ 0x294c3a0] MLTI with multiple MDPR is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[rm @ 0x294c3a0] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)
[rm @ 0x294c3a0] Invalid stream index 2 for index at pos 184698168
[rm @ 0x294c3a0] Invalid stream index 3 for index at pos 184698188
[rm @ 0x294c3a0] Invalid stream index 4 for index at pos 184698208
Input #0, rm, from '08_lect_01.rm':
  Metadata:
    title           : 05-03-01 Finite State Machines
    author          :
    copyright       : � ArsDigita University
    comment         :
    Audio Format    : Voice Only
    Creation Date   : 5/3/2001 23:34:30
    File ID         : df82138d-07fe-641f-b63c-b0fafc2fe902
    Generated By    : Pinnacle Systems Studio
    Keywords        :  Pinnacle Systems Studio Video
    Modification Date: 5/4/2001 3:04:18
    Target Audiences: 56K Modem (34 Kbps);Single ISDN (45 Kbps);DSL/Cable Modem (220 Kbps);Corporate LAN (300 Kbps);
    Video Quality   : Normal Motion Video
    intrinsicDurationType: intrinsicDurationContinuous
    ASMRuleBook     : AverageBandwidth=29000,priority=9,PNMKeyframeRule=T;AverageBandwidth=0,priority=5,PNMNonKeyframeRule=T;TimestampDelivery=T,Drop
    MimeType        : video/x-pn-realvideo
  Duration: 01:25:20.52, start: 0.000000, bitrate: 288 kb/s
    Stream #0:0: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 4 kb/s
    Stream #0:1: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 252 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
At least one output file must be specified

Decoding track 0:0 as sipr leads to white noise and broken playback speed, forcing cook does not help, extradata is missing.

[Michael Niedermayer]

Fixed in 856452cf63afad723230e02e069c79a18ac3814c