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man: clarify MIDI and DSD playback

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These tools don't render MIDI or DSD, you need separate tools or
hardware for that.
This commit is contained in:
Wim Taymans 2022-09-06 10:03:52 +02:00
parent 1a915c2ced
commit 8efc221fa8
1 changed files with 12 additions and 2 deletions
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14
man/pw-cat.1.rst.in
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@ -26,9 +26,14 @@ capturing raw or encoded media files on a PipeWire
server. It understands all audio file formats supported by server. It understands all audio file formats supported by
``libsndfile`` for PCM capture and playback. ``libsndfile`` for PCM capture and playback.
It understands standard MIDI files for playback and recording, It understands standard MIDI files for playback and recording. This tool
will not render MIDI files, it will simply make the MIDI events available
to the graph. You need a MIDI renderer such as qsynth, timidity or a hardware
MIDI rendered to hear the MIDI.
DSD playback is supported with the DSF file format. DSD playback is supported with the DSF file format. This tool will only work
with native DSD capable hardware and will produce an error when no such
hardware was found.
When the *FILE* is - input and output will be from STDIN and When the *FILE* is - input and output will be from STDIN and
STDOUT respectively. STDOUT respectively.
@ -60,10 +65,15 @@ OPTIONS
-m | --midi -m | --midi
MIDI mode. *FILE* is a MIDI file. If the tool is called under the name MIDI mode. *FILE* is a MIDI file. If the tool is called under the name
**pw-midiplay** or **pw-midirecord** this is the default. **pw-midiplay** or **pw-midirecord** this is the default.
Note that this program will *not* render the MIDI events into audible samples,
it will simply provide the MIDI events in the graph. You need a separate
MIDI renderer such as qsynth, timidity or a hardware renderer to hear the MIDI.
-d | --dsd -d | --dsd
DSD mode. *FILE* is a DSF file. If the tool is called under the name DSD mode. *FILE* is a DSF file. If the tool is called under the name
**pw-dsdplay** this is the default. **pw-dsdplay** this is the default.
Note that this program will *not* render the DSD audio. You need a DSD capable
device to play DSD content or this program will exit with an error.
--media-type=VALUE --media-type=VALUE
Set the media type property (default Audio/Midi depending on mode). Set the media type property (default Audio/Midi depending on mode).