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Use the DSP format for dsp formats

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Use the DSP media subtype to describe DSP formats. DSP formats
don't include the rate, channels and channel position in the
format and must use the rate and duration from the position io. This
makes it possible to later change the samplerate dynamically without
having to renegotiate the graph.

The same goes for the video DSP format, which uses the io_video_size
from the io_position to get the size/stride. Set this up in the node
based on the defaults from the context.

Make it possible to define defaults in the daemon config file, such
as samplerate, quantum, video size and framerate. This is stored in
the context and used for the DSP formats.
This commit is contained in:
Wim Taymans 2020-01-09 13:40:48 +01:00
parent 5a6da7d5e1
commit 852ac043d3
20 changed files with 402 additions and 270 deletions
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9
src/daemon/pipewire.conf.in
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@ -4,6 +4,15 @@
#set-prop context.data-loop.library.name.system support/libspa-support
#set-prop link.max-buffers 64
#set-prop default.clock.rate 48000
#set-prop default.clock.quantum 1024
#set-prop default.clock.min-quantum 32
#set-prop default.clock.max-quantum 8192
#set-prop default.video.width 320
#set-prop default.video.height 240
#set-prop default.video.rate.num 25
#set-prop default.video.rate.denom 1
add-spa-lib audio.convert* audioconvert/libspa-audioconvert
add-spa-lib api.alsa.* alsa/libspa-alsa
add-spa-lib api.v4l2.* v4l2/libspa-v4l2