[mdlug] mpeg files from MythTV play w/o audio in PS3

[R. Kannan]

-----Original Message-----
>From: "Ingles, Raymond" <Raymond.Ingles at compuware.com>
>Sent: Sep 16, 2008 9:37 AM
>To: "R. Kannan" <rkannan at peoplepc.com>, "Mdlug (E-mail)" <mdlug at mdlug.org>
>Subject: RE: [mdlug] mpeg files from MythTV play w/o audio in PS3
>
>> From: R. Kannan [mailto:rkannan at peoplepc.com]
>
>> 1) PS3 does not recognize my flash drive. That is whole 
>> different issue which I have not resolved. I am burning the 
>> files on a DVD-RW and trying to play the files on PS3.
>
> The PS3 only recognizes the FAT filesystem on usb drives. No NTFS or any
>Linux filesystem. That might be the problem there.

The thumbdrive has a FAT32 file system which can be read in another Windows box. I am not sure why I can't read it in PS3.
>
>> 2) I had to install mplayer/mencoder on my machine and try 
>> it. PS3 did not like the AVI files from mencoder (using the 
>> options you had suggested)
>> 
>> mencoder <input_file> -ovc copy -oac mp3lame -lameopts 
>> cbr:br=128 -o <outfile.avi>
>
> It's very important to know what *exactly* the format of the original files
>is. Ideally the console output from mplayer when playing the files will tell
>us (the lines starting with "VIDEO:" and "AUDIO:"), but if that's not easily
>available can you at least run the command 'file' on the originals? For
>example, when I run 'file' on some media files I have handy, it says:
>
>$file *
>GetYourOwn.avi:  RIFF (little-endian) data, AVI, 320 x 214, ~30 fps, video: DivX 4, audio: MPEG-1 Layer 3 (stereo, 44100 Hz)
>GetYourOwn.mpg:  MPEG sequence, v2, program multiplex
>GetYourOwn2.mpg: RIFF (little-endian) data, AVI, 320 x 214, ~30 fps, video:, audio: MPEG-1 Layer 3 (stereo, 44100 Hz)
>
>Running mplayer on the first one yields (with a little cruft removed):
>$mplayer GetYourOwn.avi
>VIDEO:  [divx]  320x214  24bpp  29.970 fps  213.6 kbps (26.1 kbyte/s)
>AUDIO: 44100 Hz, 2 ch, s16le, 64.0 kbit/4.54% (ratio: 8000->176400)
>
Original file:
VIDEO MPEG2(pid=49) AUDIO A52(pid=52) NO SUBS (yet)!  PROGRAM N. 1
VIDEO: AUDIO: 48000 Hz, 2 ch, s16le, 384.0 kbit/25.00% (ratio: 48000->192000)
Selected audio codec: [a52] afm: liba52 (AC3-liba52)
MPEG2  1280x720  (aspect 3)  59.940 fps  90000.0 kbps (11250.0 kbyte/s)


Translated file:
AVI file format detected.
[aviheader] Video stream found, -vid 0
[aviheader] Audio stream found, -aid 1
VIDEO:  []  1280x720  24bpp  59.940 fps  12405.4 kbps (1514.3 kbyte/s)
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 48000 Hz, 2 ch, s16le, 128.0 kbit/8.33% (ratio: 16000->192000)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)

I will look into the options below:

Thanks

>Here is a script I use to convert random video files (usually *.flv files
>from YouTube) to media files I can play elsewhere, including the PS3. Note
>that although it's titled 'flv2avi', the format of the input file(s) doesn't
>matter as long as mplayer can play them.
>
>----- flv2avi.sh -----
>#!/bin/sh
>
># Converts FLVs to AVI files suitable for viewing outside of web browsers.
># Run as 'flv2avi.sh [new file name] [list of one or more movie files]
>
># If you're skipping frames, increase FPS. If duplicating, decrease FPS.
># Usual values are 24000/1001 (23.976), 24, 25 (PAL), 30000/1001 (29.97), 30.
>#OFPS=24000/1001
>#OFPS="-ofps 30000/1001"
>OFPS="-ofps 30"
>
># If mencoder misdentifes the FPS of the input file, set it here.
>#IFPS="-fps 30000/1001"
>#IFPS="-fps 30"
>
># If your system has more than one cpu/core, multithreading may help. Set this
># value to the number of cores you have available.
>#THREADS=":threads=2"
>
># Set audio mode - these are arranged in decreasing order of likelyhood
># to sync properly
># Most FLVs already have MP3 audio, no need to mess with it.
>AUDIO=copy
># Constant bit rate MP3, the 'br' field sets the bit rate
>#AUDIO="mp3lame -lameopts cbr:br=128"
># Average bit rate MP3, the 'br' field sets the bit rate
>#AUDIO="mp3lame -lameopts abr:br=128"
># Variable bit rate MP3, sometimes has sync problems
>#AUDIO="mp3lame -lameopts vbr=3"
>
># Set crop, if needed
># Get these numbers by running the command: mplayer -ss 60 -vf scale=320:-2,cropdetect [file]
>#CROP=",crop=320:160:0:28"
>
># For mixed progressive/telecined content
>#PULLUP=",pullup,softskip"
>
># Set video bit rate, feel free to experiment here to see what fits
>#VBITRATE=224
>#VBITRATE=336
>#VBITRATE=448
>#VBITRATE=512
>VBITRATE=1024
>
># Use DIVX
>DIVX="-ffourcc divx"
>
># These are the key parameters we gotta have from the user.
># Spaces in the output file name are probably not a good idea.
>NEWNAME=$1.avi
>shift
>MOVIE=$*
>
># Just in case one's left over from a previous encoding run.
>rm -rf divx2pass.log
>
># Two-pass encoding, takes longer but produces best quality for a given bitrate
>mencoder ${MOVIE} ${IFPS} -ovc lavc -lavcopts vcodec=mpeg4:vpass=1:turbo:vbitrate=${VBITRATE}${THREADS} ${OFPS} ${DIVX} -oac ${AUDIO} -af volnorm -o /dev/null
>
>mencoder ${MOVIE} ${IFPS} -ovc lavc -lavcopts vcodec=mpeg4:vpass=2:vbitrate=${VBITRATE}${THREADS} ${OFPS} ${DIVX} -oac ${AUDIO} -af volnorm -o ${NEWNAME}
>
># Clean up after ourselves.
>rm -rf divx2pass.log
>----------------------
>
> Sincerely,
>
> Ray Ingles                                        (313) 227-2317
>
>    Trying to associate Microsoft with "fun" is like trying to
>         associate Satan with aromatherapy. - Tycho Brahe
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