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913196e2dc
This patch modifies the mixer's time window allocation by modelling the drift of the period length over time. This yields a much better stability of the detected sample rates in the presence of jitter. Issue #5132
199 lines
5.9 KiB
Plaintext
199 lines
5.9 KiB
Plaintext
create_boot_directory
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import_from_depot [depot_user]/src/[base_src] \
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[depot_user]/pkg/[drivers_interactive_pkg] \
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[depot_user]/pkg/fonts_fs \
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[depot_user]/src/init \
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[depot_user]/src/report_rom \
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[depot_user]/src/dynamic_rom \
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[depot_user]/src/nitpicker \
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[depot_user]/src/libc \
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[depot_user]/src/libpng \
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[depot_user]/src/zlib
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build { server/record_play_mixer server/record_rom app/waveform_player app/rom_osci }
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proc play_period_ms { } {
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if {[have_spec linux]} { return 80 }
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return 5
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}
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proc record_period_ms { } {
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if {[have_spec linux]} { return 40 }
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return 5
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}
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proc jitter_ms { } {
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if {[have_spec linux]} { return 20 }
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return 2
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}
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install_config {
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<config prio_levels="4">
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<parent-provides>
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<service name="ROM"/>
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<service name="CPU"/>
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<service name="PD"/>
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<service name="RM"/>
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<service name="LOG"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="TRACE"/>
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<default caps="100"/>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="Timer"/> </provides>
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</start>
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<start name="report_rom" priority="-1">
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<resource name="RAM" quantum="2M"/>
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<provides> <service name="ROM"/> <service name="Report"/> </provides>
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<config>
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</config>
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</start>
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<start name="drivers" caps="1500" managing_system="yes" priority="-1">
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<resource name="RAM" quantum="64M"/>
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<binary name="init"/>
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<route>
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<service name="ROM" label="config"> <parent label="drivers.config"/> </service>
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<service name="Timer"> <child name="timer"/> </service>
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<service name="Capture"> <child name="nitpicker"/> </service>
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<service name="Event"> <child name="nitpicker"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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<start name="nitpicker" priority="-2">
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<resource name="RAM" quantum="4M"/>
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<provides>
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<service name="Gui"/> <service name="Capture"/> <service name="Event"/>
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</provides>
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<config>
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<capture/> <event/>
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<domain name="pointer" layer="1" content="client" label="no" origin="pointer" />
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<domain name="default" layer="3" content="client" label="no" hover="always" />
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<policy label_prefix="pointer" domain="pointer"/>
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<default-policy domain="default"/>
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</config>
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</start>
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<start name="pointer" priority="-1">
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<resource name="RAM" quantum="1M"/>
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</start>
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<start name="fonts_fs" caps="300" priority="-1">
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<resource name="RAM" quantum="8M"/>
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<binary name="vfs"/>
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<route>
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<service name="ROM" label="config"> <parent label="fonts_fs.config"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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<provides> <service name="File_system"/> </provides>
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</start>
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<start name="mixer">
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<resource name="RAM" quantum="2M"/>
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<binary name="record_play_mixer"/>
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<provides> <service name="Record"/> <service name="Play"/> </provides>
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<config jitter_ms="} [jitter_ms] {" record_period_ms="} [record_period_ms] {">
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<mix name="left"> <play label_suffix="left"/> </mix>
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<mix name="right"> <play label_suffix="right"/> </mix>
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<mix name="lefty">
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<signal name="left" volume="0.7"/>
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<signal name="right" volume="0.3"/>
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</mix>
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<mix name="righty">
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<signal name="left" volume="0.3"/>
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<signal name="right" volume="0.7"/>
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</mix>
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<policy label_suffix="left" record="left"/>
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<policy label_suffix="lefty" record="lefty"/>
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<policy label_suffix="righty" record="righty"/>
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<policy label_suffix="right" record="right"/>
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</config>
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</start>
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<start name="waveform_config" priority="-2">
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<binary name="dynamic_rom"/>
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<resource name="RAM" quantum="2M"/>
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<provides> <service name="ROM"/> </provides>
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<config verbose="yes">
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<rom name="config">
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<inline>
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<config period_ms="} [play_period_ms] {">
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<play label="left" wave="sine" hz="1000" sample_rate_hz="44100"/>
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<play label="right" wave="square" hz="1000" sample_rate_hz="33333"/>
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</config>
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</inline>
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<sleep milliseconds="2000" />
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<inline>
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<config period_ms="} [play_period_ms] {">
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<play label="left" wave="sine" hz="10000" sample_rate_hz="44100"/>
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<play label="right" wave="square" hz="10000" sample_rate_hz="33333"/>
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</config>
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</inline>
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<sleep milliseconds="2000" />
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<inline>
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<config period_ms="} [play_period_ms] {">
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<play label="left" wave="sine" hz="0" sample_rate_hz="44100"/>
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<play label="right" wave="square" hz="0" sample_rate_hz="33333"/>
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</config>
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</inline>
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<sleep milliseconds="2000" />
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</rom>
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</config>
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</start>
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<start name="waveform_player" priority="0">
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<resource name="RAM" quantum="1M"/>
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<route>
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<service name="ROM" label="config"> <child name="waveform_config"/> </service>
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<any-service> <parent/> <any-child/> </any-service>
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</route>
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</start>
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<start name="record_rom" priority="0">
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<resource name="RAM" quantum="8M"/>
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<provides> <service name="ROM"/> </provides>
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<config period_ms="} [record_period_ms] {" sample_rate_hz="44100">
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<record label="left"/>
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<record label="lefty"/>
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<record label="righty"/>
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<record label="right"/>
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</config>
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</start>
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<start name="rom_osci" priority="-1">
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<resource name="RAM" quantum="8M"/>
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<config width="640" height="480" xpos="200" ypos="100" fps="20" v_scale="0.15" phase_lock="yes">
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<channel label="left" color="#ff6633" v_pos="0.2"/>
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<channel label="lefty" color="#cc7777" v_pos="0.4"/>
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<channel label="righty" color="#9988bb" v_pos="0.6"/>
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<channel label="right" color="#6699ff" v_pos="0.8"/>
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</config>
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<route>
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<service name="ROM" label="recording"> <child name="record_rom"/> </service>
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<any-service> <parent/> <any-child/> </any-service>
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</route>
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</start>
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</config>}
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build_boot_image [build_artifacts]
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append qemu_args " -nographic "
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run_genode_until forever
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