Hi everyone,
Some weeks ago I came across this amazing software called Subsonic that allows you to stream from your PC all your music in whatever format you like (you can access individual songs, run playlists, etc.). Then I came across this other amazing software called I-sub, that allows to capture that stream in your Iphone, over wifi or even 3G (it works perfect, almost no interruptions whatsoever, with all the quality that your net can give). So finally it seems that I can get around listening to my music (+400 GB of FLAC) in my Iphone processed in real time by Stereotool. Or not?
The developer of I-sub very kindly suggested that using the command line version of Stereotool I could process my FLAC files before streaming, since Subsonic does transcoding (to MP3) just before sending it to the web. Subsonic is an open source development, ran almost solely by one person, so it's basic settings are pretty straight forward, but the transcoding process is a bit difficult for me.
Questions:
1. Has anyone tried this? If so, how is it done?
2. Is command line version suitable for this purpose? If so, how should I insert it?
The recommended lines given to me are the following (for MP3):
mp3 > mp3
mp3
mp3
ffmpeg -i %s -f wav -
stereo_tool_cmd - - C:\the\full\path\to\your\settings.sts
lame -b %b - -
From the Subsonic website:
Transcoding is the process of converting music from one format to another. Subsonic's transcoding engine allows for streaming of media that would normally not be streamable, for instance lossless formats, such as the ones you'll hear on your iPhone 4 via iTunes or high-quality rips from CDs. The transcoding is performed on-the-fly and doesn't require any disk usage.
The actual transcoding is done by third-party command line programs which are installed in:
Windows c:\subsonic\transcode
Mac /Library/Application Support/Subsonic/transcode
Linux /var/subsonic/transcode
Up to three transcoders can be chained together. For instance, to convert FLAC to MP3 you would typically use a FLAC decoder which converts to WAV, and chain it with a WAV to MP3 encoder.
Recommended configuration
The recommended settings for audio transcoding is:
Step 1 ffmpeg -i %s -f wav -
Step 2 lame -b %b --tt %t --ta %a --tl %l -S --resample 44.1 - -
The recommended settings for video transcoding is:
Step 1 ffmpeg -ss %o -i %s -b %bk -s %wx%h -ar 44100 -ac 2 -v 0 -f flv -
Note that "%s" is substituted with the path of the original file at run-time, and "%b" is substituted with the max bitrate of the player. "%t", "%a" and "%l" are substituted with the song's title, artist and album.
Adding custom transcoders
You can add your own custom transcoder given that it fulfills the following requirements:
» It must have a command line interface.
» It must be able to send output to stdout.
» If used in transcoding step 2 or 3, it must be able to read input from stdin.
Any hints would be very appreciated.
Regards,
Daniel
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. This is the command I had to use in Windows 7: