Build 5002 sometimes gives 4-channel audio for stereo[FIXED]

Bug report and feature request
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rhycos
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Re: Build 5002 sometimes gives 4-channel audio for stereo

Post by rhycos » Tue Feb 01, 2011 1:06 am

MC2011 b5003
Video format is .mkv

Trying to copy video and encode audio with nero encoder

Source File:
General
UniqueID : 309239707806306588905313359390689571615 (0xE8A566BD492BFA6F025708AC5B19B31F)
Complete name : H:\mkv\Teenu Le Hi Def.mkv
Format : Matroska
File size : 28.0 MiB
Duration : 4mn 15s
Overall bit rate : 922 Kbps
Writing application : Lavf52.37.0
Writing library : Lavf52.37.0

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L2.1
Format settings, CABAC : Yes
Format settings, ReFrames : 3 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 4mn 15s
Width : 704 pixels
Height : 288 pixels
Display aspect ratio : 2.40:1
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Language : English

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format version : Version 4
Format profile : LC
Codec ID : A_AAC
Duration : 4mn 15s
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 44.1 KHz
Bit depth : 16 bits
Compression mode : Lossy
Language : English
Output is a 4 Channel Audio instead of 2 Channel
Console output:

Code: Select all

# ".\codecs\ffmpeg.exe"  -i "H:\mkv\Teenu Le Hi Def.mkv" -f matroska -vcodec cop
y -ab 48000 -acodec libfaac -ac 4 -threads 3 -y "E:\Temp\mediacoder\Teenu Le Hi
Def.mkv"

FFmpeg version SVN-r25456-Sherpya, Copyright (c) 2000-2010 the FFmpeg developers

  built on Oct 14 2010 16:46:15 with gcc 4.2.5 20090330 (prerelease) [Sherpya]
  libavutil     50.32. 3 / 50.32. 3
  libavcore      0. 9. 1 /  0. 9. 1
  libavcodec    52.92. 0 / 52.92. 0
  libavformat   52.81. 0 / 52.81. 0
  libavdevice   52. 2. 2 / 52. 2. 2
  libavfilter    1.51. 1 /  1.51. 1
  libswscale     0.12. 0 /  0.12. 0
  libpostproc   51. 2. 0 / 51. 2. 0
[matroska,webm @ 01a5d030] Estimating duration from bitrate, this may be inaccur
ate

Seems stream 0 codec frame rate differs from container frame rate: 47.94 (5993/1
25) -> 23.98 (24000/1001)
Input #0, matroska,webm, from 'H:\mkv\Teenu Le Hi Def.mkv':
  Duration: 00:04:15.09, start: 0.000000, bitrate: N/A
    Stream #0.0: Video: h264, yuv420p, 704x288 [PAR 1:1 DAR 22:9], 23.98 tbr, 1k
 tbn, 47.94 tbc
    Stream #0.1: Audio: aac, 44100 Hz, stereo, s16
Output #0, matroska, to 'E:\Temp\mediacoder\Teenu Le Hi Def.mkv':
  Metadata:
    encoder         : Lavf52.81.0
    Stream #0.0: Video: libx264, yuv420p, 704x288 [PAR 1:1 DAR 22:9], q=2-31, 1k
 tbn, 23.97 tbc
    Stream #0.1: Audio: libfaac, 44100 Hz, 4 channels, s16, 48 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop encoding
frame= 2468 fps=190 q=-1.0 size=   11370kB time=102.86 bitrate= 905.5kbits/s
frame= 2563 fps=190 q=-1.0 size=   11812kB time=106.81 bitrate= 905.9kbits/s
frame= 2658 fps=190 q=-1.0 size=   12249kB time=110.78 bitrate= 905.7kbits/s
frame= 2753 fps=190 q=-1.0 size=   12668kB time=114.75 bitrate= 904.3kbits/s
frame= 2848 fps=190 q=-1.0 size=   13099kB time=118.70 bitrate= 904.0kbits/s
frame= 2943 fps=190 q=-1.0 size=   13526kB time=122.67 bitrate= 903.3kbits/s
frame= 3037 fps=190 q=-1.0 size=   13969kB time=126.62 bitrate= 903.8kbits/s
frame= 3133 fps=190 q=-1.0 size=   14411kB time=130.59 bitrate= 904.0kbits/s
frame= 3228 fps=190 q=-1.0 size=   14795kB time=134.56 bitrate= 900.7kbits/s
frame= 3322 fps=190 q=-1.0 size=   15273kB time=138.51 bitrate= 903.3kbits/s
frame= 3418 fps=190 q=-1.0 size=   15721kB time=142.48 bitrate= 903.9kbits/s
frame= 3512 fps=190 q=-1.0 size=   16186kB time=146.43 bitrate= 905.6kbits/s
frame= 3607 fps=190 q=-1.0 size=   16681kB time=150.40 bitrate= 908.6kbits/s
frame= 3703 fps=190 q=-1.0 size=   17180kB time=154.37 bitrate= 911.7kbits/s
frame= 3797 fps=190 q=-1.0 size=   17608kB time=158.31 bitrate= 911.1kbits/s
frame= 3892 fps=190 q=-1.0 size=   18098kB time=162.28 bitrate= 913.6kbits/s
frame= 3987 fps=190 q=-1.0 size=   18515kB time=166.23 bitrate= 912.4kbits/s
frame= 4082 fps=190 q=-1.0 size=   19021kB time=170.20 bitrate= 915.5kbits/s
frame= 4177 fps=190 q=-1.0 size=   19502kB time=174.17 bitrate= 917.2kbits/s
frame= 4272 fps=190 q=-1.0 size=   20021kB time=178.12 bitrate= 920.8kbits/s
frame= 4367 fps=190 q=-1.0 size=   20404kB time=182.09 bitrate= 917.9kbits/s
frame= 4462 fps=190 q=-1.0 size=   20799kB time=186.06 bitrate= 915.8kbits/s
frame= 4557 fps=190 q=-1.0 size=   21264kB time=190.01 bitrate= 916.8kbits/s
frame= 4652 fps=190 q=-1.0 size=   21697kB time=193.98 bitrate= 916.3kbits/s
frame= 4747 fps=190 q=-1.0 size=   22140kB time=197.95 bitrate= 916.2kbits/s
frame= 4842 fps=190 q=-1.0 size=   22587kB time=201.90 bitrate= 916.5kbits/s
frame= 4937 fps=190 q=-1.0 size=   22917kB time=205.87 bitrate= 911.9kbits/s
frame= 5032 fps=190 q=-1.0 size=   23279kB time=209.84 bitrate= 908.8kbits/s
frame= 5128 fps=190 q=-1.0 size=   23691kB time=213.81 bitrate= 907.7kbits/s
frame= 5222 fps=190 q=-1.0 size=   24249kB time=217.76 bitrate= 912.2kbits/s
frame= 5317 fps=190 q=-1.0 size=   24745kB time=221.70 bitrate= 914.3kbits/s
frame= 5411 fps=190 q=-1.0 size=   25282kB time=225.65 bitrate= 917.8kbits/s
frame= 5507 fps=190 q=-1.0 size=   25763kB time=229.62 bitrate= 919.1kbits/s
frame= 5602 fps=190 q=-1.0 size=   26285kB time=233.59 bitrate= 921.8kbits/s
frame= 5696 fps=190 q=-1.0 size=   26706kB time=237.54 bitrate= 921.0kbits/s
frame= 5792 fps=190 q=-1.0 size=   27132kB time=241.51 bitrate= 920.3kbits/s
frame= 5886 fps=190 q=-1.0 size=   27492kB time=245.46 bitrate= 917.5kbits/s
frame= 5982 fps=190 q=-1.0 size=   27936kB time=249.45 bitrate= 917.4kbits/s
frame= 6077 fps=190 q=-1.0 size=   28389kB time=253.40 bitrate= 917.8kbits/s
frame= 6105 fps=190 q=-1.0 Lsize=   28543kB time=254.63 bitrate= 918.3kbits/s

video:24886kB audio:3535kB global headers:0kB muxing overhead 0.432056%
E:\Temp\mediacoder\Teenu Le Hi Def.mkv to be muxed into container as type 2.
E:\Temp\mediacoder\Teenu Le Hi Def.mkv to be muxed into container as type 1.
Cannot load bitmap font: Arial
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
Cannot load bitmap font: Arial
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated
[aac @ 00d5d0d4]channel element 3.0 is not allocated

stanley
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Posts: 4135
Joined: Mon May 15, 2006 7:43 pm
Location: Sydney

Re: Build 5002 sometimes gives 4-channel audio for stereo

Post by stanley » Tue Feb 01, 2011 5:53 am

Fixed in build 2010.
When things work together, things work.

meRobs
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Posts: 3116
Joined: Tue Jun 23, 2009 2:45 pm
Location: Sydney, Australia

Re: Build 5002 sometimes gives 4-channel audio for stereo[FIXED]

Post by meRobs » Tue Feb 01, 2011 6:13 pm

Yes, conversions to MPEG2 with Copy Video now give the correct encoded audio (stereo).

I cannot test the MKV case, which gave 4-channel audio for Stereo when using Xvid video since Bypass source has been deleted and the conversion is no loonger possible.
Xvid via MEncoder source and FFmpeg encoder gives no output and Xvid via the Xvid encoder gives error 11.
Have you checked out the Tips & Guides for MediaCoder? Try: http://forum.mediacoderhq.com/viewtopic.php?f=17&t=8061
Also, get older builds at: http://www.videohelp.com/tools/MediaCoder/old-versions#download

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