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flac encode multiple files as a group / album
gregory
post Sep 5 2008, 23:14
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...so i encoded some albums with flac by way of eac...later to realize that eac fed them one-at-a-time to the encoder...hence the replay gain info is wrong for the album gain/peek

i know i can fix this with metaflac, but the whole process seems harder than it should be, in lieu of that i have decided to just rip the .wav files with eac and find an alternate method to encode multiple tracks with flac as a group/album

problem is i can't find any up-to-date program to do this, and i surely don't want to type out every single run at the command line, could this be done with a batch file? something simple i could just place in the album's folder and run, sure i would have to change some options in the batch file every time, but i would not have to enter a dozen file names at the command line

any help is greatly appreciated
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chromium
post Sep 6 2008, 08:37
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QUOTE (gregory @ Sep 6 2008, 00:14) *
i know i can fix this with metaflac, but the whole process seems harder than it should be,

If you consider reripping etc. easier than running

metaflac --add-replaygain *.flac

on your already encoded files, then feel free to procede otherwise.

Anyway, you likely are facing multiple directories, and having to process many directories with this command can become tedious. You can automate running this command with some more advanced shell commands. Alternatively, as a Windows user, Foobar could automatically do the job, provided your tags are OK.

That said, you are probably pointing to a valid issue with EAC. I never remarked it myself because I have always been handling replaygain outside of the ripping program.

-edit-
QUOTE
something simple i could just place in the album's folder and run, sure i would have to change some options in the batch file every time, but i would not have to enter a dozen file names at the command line

If that is sufficient for you, then the above command is just fine and better: no need to change options. Just change to the directory in a command terminal window and paste the command.

This post has been edited by chromium: Sep 6 2008, 15:45
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SpasV
post Sep 6 2008, 13:14
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smile.gif Shortly:
At the command prompt type help and you'll get the list of all commands.
You need the command for so, type for /? and you'll get (part of all you'll get follows):

Runs a specified command for each file in a set of files.

FOR %variable IN (set) DO command [command-parameters]

%variable Specifies a single letter replaceable parameter.
(set) Specifies a set of one or more files. Wildcards may be used.
command Specifies the command to carry out for each file.
command-parameters
Specifies parameters or switches for the specified command.

To use the FOR command in a batch program, specify %%variable instead
of %variable. Variable names are case sensitive, so %i is different
from %I.

If Command Extensions are enabled, the following additional
forms of the FOR command are supported:

FOR /D %variable IN (set) DO command [command-parameters]

If set contains wildcards, then specifies to match against directory
names instead of file names.

FOR /R [[drive:]path] %variable IN (set) DO command [command-parameters]

Walks the directory tree rooted at [drive:]path, executing the FOR
statement in each directory of the tree. If no directory
specification is specified after /R then the current directory is
assumed. If set is just a single period (.) character then it
will just enumerate the directory tree.

You might want to use the command in this form also:
FOR /F ["options"] %variable IN (`command`) DO command [command-parameters]

Now, DO command for you is DO flac with the appropriate parameters

Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]

Next, flac needs INPUTFILE
If you will process the files in one directory only then use this syntax:

FOR %X IN (*.wav) DO flac [command-parameters] "%X"

If you think of processing the files in a tree then use this syntax:

FOR /R [[drive:]path] %X IN (*.wav) DO flac [command-parameters] "%X"

"%X" - the quotation marks are needed to pass long file names including spaces.

The flac encoding options you need are:
--replay-gain Calculate ReplayGain & store in FLAC tags
and of course
-8, --compression-level-8, --best

P.S.
The file names are generated by:
(set) were set is *.wav
or
(`command`) were command is DIR /b for a single directory or DIR /b /s for a tree

This post has been edited by SpasV: Sep 6 2008, 13:27
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Egor
post Sep 6 2008, 14:23
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Foobar2000 is the answer, no reason to bother with command line scripting.
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gregory
post Sep 8 2008, 05:19
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thank each of you for your help, it is greatly appreciated smile.gif

@SpasV

what am i doing wrong with my batch file? this doesn't work

CODE
FOR %%X IN (*.wav) DO "G:\Program Files\flac\flac.exe" [--best -V -P 1048576 --picture=| | | | "G:\Program Files\flac\ok computer.jpg" --replay-gain -T "TITLE=" -T "ALBUM=" -T "ARTIST=" -T "PERFORMER=" -T "DATE=" -T "LOCATION=" -T "GENRE=" -T "SUB GENRE=" -T "TRACK NUMBER=" -T "TOTAL TRACKS=" -T "DISC NUMBER=" -T "TOTAL DISCS="] "%%X"


all of my paths are correct and the batch file is run from the directory with the .wav files i want to modify
i'm not so confident in the syntax of my FOR command, or the purpose of the variable(%%X)

thanks again
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Ouroboros
post Sep 8 2008, 07:27
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You might want to try Autoflac to automate your process, including doing the replay gain calculations at the same time as you rip and encode to flac. It does album replay gain, and you will avoid the need to introduce the intermediate wav stage.
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