/
server.rb
736 lines (626 loc) · 21.9 KB
/
server.rb
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#--
# This file is part of Sonic Pi: http://sonic-pi.net
# Full project source: https://github.com/samaaron/sonic-pi
# License: https://github.com/samaaron/sonic-pi/blob/main/LICENSE.md
#
# Copyright 2013, 2014, 2015, 2016 by Sam Aaron (http://sam.aaron.name).
# All rights reserved.
#
# Permission is granted for use, copying, modification, and
# distribution of modified versions of this work as long as this
# notice is included.
#++
require_relative "util"
require_relative "group"
require_relative "synthnode"
require_relative "audiobusallocator"
require_relative "controlbusallocator"
require_relative "promise"
require_relative "incomingevents"
require_relative "counter"
require_relative "lazybuffer"
require_relative "bufferstream"
require_relative "scsynthexternal"
require_relative "thread_id"
#require_relative "scsynthnative"
module SonicPi
class Server
include Util
attr_accessor :current_node_id, :debug, :mouse_y, :mouse_x, :control_delta, :scsynth_info
attr_reader :version
def initialize(port, msg_queue, state, register_cue_event_lambda, current_spider_time_lambda)
@current_spider_time_lambda = current_spider_time_lambda
# Cache common OSC path strings as frozen instance
# vars to reduce object creation cost and GC load
@osc_path_quit = "/quit".freeze
@osc_path_status = "/status".freeze
@osc_path_sync = "/sync".freeze
@osc_path_synced = "/synced".freeze
@osc_path_done = "/done".freeze
@osc_path_notify = "/notify".freeze
@osc_path_clearsched = "/clearSched"
@osc_path_d_loaddir = "/d_loadDir".freeze
@osc_path_d_load = "/d_load".freeze
@osc_path_g_freeall = "/g_freeAll".freeze
@osc_path_g_deepfree = "/g_deepFree".freeze
@osc_path_g_new = "/g_new".freeze
@osc_path_n_free = "/n_free".freeze
@osc_path_n_set = "/n_set".freeze
@osc_path_n_run = "/n_run".freeze
@osc_path_n_order = "/n_order".freeze
@osc_path_n_map = "/n_map".freeze
@osc_path_s_new = "/s_new".freeze
@osc_path_b_allocread = "/b_allocRead".freeze
@osc_path_b_alloc = "/b_alloc".freeze
@osc_path_b_free = "/b_free".freeze
@osc_path_b_write = "/b_write".freeze
@osc_path_b_close = "/b_close".freeze
@osc_path_b_info = "/b_info".freeze
@osc_path_b_query = "/b_query".freeze
@osc_path_c_set = "/c_set".freeze
@state = state
@OSC_SEM = Mutex.new
@MSG_QUEUE = msg_queue
@control_delta = default_control_delta
@server_thread_id = ThreadId.new(-3)
@live_synths = {}
@live_synths_mut = Mutex.new
@latency = 0.0
@global_timewarp = 0
#TODO: Might want to make this available more globally so it can
#be dynamically turned on and off
@debug_mode = debug_mode
@osc_events = IncomingEvents.new(:internal_events, -10)
@scsynth = SCSynthExternal.new(@osc_events, port, register_cue_event_lambda)
@version = @scsynth.version.freeze
@position_codes = {
head: 0,
tail: 1,
before: 2,
after: 3,
replace: 4
}
@position_codes.default = :tail
at_exit do
puts "Exiting - shutting down scsynth server..."
@scsynth.shutdown
end
request_notifications
# Push all incoming OSC messages to the event system
@CURRENT_NODE_ID = Counter.new(1)
@CURRENT_SYNC_ID = Counter.new(0)
@BUFFER_ALLOCATOR = Allocator.new(num_buffers_for_current_os)
info_prom = Promise.new
add_event_oneshot_handler("/sonic-pi/server-info") do |payload|
info_prom.deliver! payload
end
load_synthdefs(Paths.synthdef_path)
osc @osc_path_s_new, "sonic-pi-server-info", 1, 0, 0
server_info = info_prom.get
@scsynth_info = SonicPi::Core::SPMap.new({
:sample_rate => server_info[2],
:sample_dur => server_info[3],
:radians_per_sample => server_info[4],
:control_rate => server_info[5],
:control_dur => server_info[6],
:subsample_offset => server_info[7],
:num_output_busses => server_info[8],
:num_input_busses => server_info[9],
:num_audio_busses => server_info[10],
:num_control_busses => server_info[11],
:num_buffers => server_info[12]
})
info "num input busses: #{@scsynth_info[:num_input_busses]}"
info "num output busses: #{@scsynth_info[:num_output_busses]}"
info "num control busses: #{@scsynth_info[:num_control_busses]}"
info "num audio busses: #{@scsynth_info[:num_audio_busses]}"
@AUDIO_BUS_ALLOCATOR = AudioBusAllocator.new @scsynth_info[:num_audio_busses], @scsynth_info[:num_output_busses] + @scsynth_info[:num_input_busses]
@CONTROL_BUS_ALLOCATOR = ControlBusAllocator.new @scsynth_info[:num_control_busses]
message "info - Initialising comms... #{msg_queue}" if @debug_mode
clear_scsynth!
end
def info(s)
message "info - #{s}"
end
def message(s)
log "SRV #{s}"
end
def request_notifications
info "Requesting notifications" if @debug_mode
osc @osc_path_notify, 1
end
def load_synthdefs(path)
info "Loading synthdefs from path: #{path}" if @debug_mode
with_done_sync [@osc_path_d_loaddir] do
osc @osc_path_d_loaddir, path.to_s
end
end
def load_synthdef(path)
info "Loading synthdef from path: #{path}" if @debug_mode
with_done_sync [@osc_path_d_load] do
osc @osc_path_d_load, path.to_s
end
end
def clear_scsynth!
STDOUT.puts "scsynth - clear!"
STDOUT.flush
info "Clearing scsynth" if @debug_mode
@CURRENT_NODE_ID.reset!
@osc_events.reset!
STDOUT.puts "scsynth - clear schedule "
STDOUT.flush
clear_schedule
STDOUT.puts "scsynth - schedule cleared!"
STDOUT.flush
Kernel.sleep 0.1
STDOUT.puts "scsynth - group clear 0"
STDOUT.flush
with_server_sync do
group_clear 0, true
end
STDOUT.puts "scsynth - group clear 0 completed"
STDOUT.flush
end
def clear_schedule
osc @osc_path_clearsched
end
def reset!
STDOUT.puts "scsynth - clear schedule"
STDOUT.flush
clear_schedule
STDOUT.puts "scsynth - clear scsynth"
STDOUT.flush
clear_scsynth!
STDOUT.puts "scsynth - cleared scsynth"
STDOUT.flush
@AUDIO_BUS_ALLOCATOR.reset!
@CONTROL_BUS_ALLOCATOR.reset!
STDOUT.puts "scsynth - bus allocators reset"
STDOUT.flush
end
def group_clear(id, now=false)
message "grp f #{'%05d' % id} - Clear #{id.inspect}" if @debug_mode
id = id.to_i
if now
osc @osc_path_g_freeall, id
else
ts = sched_ahead_time_for_node_mod(id)
osc_bundle ts, @osc_path_g_freeall, id
end
end
def group_deep_free(id, now=false)
message "grp d #{'%05d' % id} - Deep free #{id}" if @debug_mode
id = id.to_i
if now
osc @osc_path_g_deepfree, id
else
ts = sched_ahead_time_for_node_mod(id)
osc_bundle ts, @osc_path_g_deepfree, id
end
end
def kill_node(id, now=false)
if @debug_mode
if id.is_a? Group
message "grp k #{'%05d' % id} - Kill #{id.inspect}"
else
message "nde k #{'%05d' % id} - Kill #{id.inspect}"
end
end
id = id.to_i
if now
osc @osc_path_n_free, id
else
ts = sched_ahead_time_for_node_mod(id)
osc_bundle ts, @osc_path_n_free, id
end
end
def create_group(position, target, name="")
target_id = target.to_i
pos_code = @position_codes[position]
id = @CURRENT_NODE_ID.next
if (pos_code && target_id)
g = Group.new id, self, name
osc @osc_path_g_new, id, pos_code, target_id
message "grp n #{'%05d' % id} - Create [#{name}:#{id}] #{position} #{target.inspect}" if @debug_mode
g.wait_until_started
else
m = "unable to create a node with position: #{position} and target #{target.inspect}"
message "nde e - #{m}" if @debug_mode
raise m
nil
end
end
def allocate_audio_bus
@AUDIO_BUS_ALLOCATOR.allocate
end
def allocate_control_bus
@CONTROL_BUS_ALLOCATOR.allocate
end
def kill_live_synth(name_id)
synth_node = nil
@live_synths_mut.synchronize do
synth_node = @live_synths[name_id]
synth_node.kill if synth_node
end
end
def trigger_live_synth(name_id, position, group, synth_name, args_h, info, now=false, t_minus_delta=false, pre_trig_blk, on_move_blk)
@live_synths_mut.synchronize do
pos_code = @position_codes[position]
group_id = group.to_i
s_name = synth_name.to_s
normalised_args = []
args_h.each do |k,v|
normalised_args << k.to_s << v.to_f
end
initial_trigger = false
synth_node = nil
# Try and retrieve a cached synth node (will be here if previously triggered)
synth_node = @live_synths[name_id]
unless synth_node
initial_trigger = true
# No synth node found in cache - trigger one and cache the result
node_id = @CURRENT_NODE_ID.next
synth_node = SynthNode.new(node_id, group_id, self, s_name, args_h, info)
# Call on init block if given - this only happens the first time the synth is initiated
# cache result
@live_synths[name_id] = synth_node
end
log synth_node.stats
orig_synth_node_group = synth_node.group
# Call reset on synth node - this doesn't do anything if the synth
# isn't yet in the destroyed state
synth_node.reset!
if initial_trigger || (group_id != orig_synth_node_group)
pre_trig_blk.call(synth_node) if pre_trig_blk
on_move_blk.call(synth_node) if on_move_blk
synth_node.set_group!(group_id)
node_id = synth_node.id
if @debug_mode
if osc_debug_mode
message "lde t #{'%05d' % node_id} - Live Trigger <#{synth_name}:#{node_id}> #{position} #{group.inspect}"
else
message "lde t #{'%05d' % node_id} - Live Trigger <#{synth_name}:#{node_id}> #{position} #{group.inspect}, args: #{args_h}" if @debug_mode
end
end
if now
osc @osc_path_s_new, s_name, node_id, pos_code, group_id, *normalised_args
Thread.new do
Kernel.sleep @control_delta
osc @osc_path_n_set, node_id, *normalised_args
osc @osc_path_n_order, pos_code, group_id, node_id
end
else
ts = sched_time
ts = ts - @control_delta if t_minus_delta
osc_bundle ts, @osc_path_s_new, s_name, node_id, pos_code, group_id, *normalised_args
osc_bundle ts + @control_delta, @osc_path_n_set, node_id, *normalised_args
osc_bundle ts + @control_delta, @osc_path_n_order, pos_code, group_id, node_id
end
end
synth_node
end
end
@@normalised_args_cache = Hash.new
def trigger_synth(position, group, synth_name, args_h, info=nil, now=false, t_minus_delta=false)
pos_code = @position_codes[position]
group_id = group.to_i
node_id = @CURRENT_NODE_ID.next
if @debug_mode
if osc_debug_mode
message "nde t #{'%05d' % node_id} - Trigger <#{synth_name}:#{node_id}> #{position} #{group.inspect}"
else
message "nde t #{'%05d' % node_id} - Trigger <#{synth_name}:#{node_id}> #{position} #{group.inspect}, args: #{args_h}" if @debug_mode
end
end
s_name = synth_name.to_s
sn = SynthNode.new(node_id, group, self, s_name, args_h, info)
group.subnode_add(sn)
sn.on_destroyed do
group.subnode_rm(sn)
end
normalised_args = []
args_h.each do |k,v|
k = @@normalised_args_cache[k] || @@normalised_args_cache[k] = k.to_s
normalised_args << k << v.to_f
end
if now
osc @osc_path_s_new, s_name, node_id, pos_code, group_id, *normalised_args
else
ts = sched_time
ts = ts - @control_delta if t_minus_delta
osc_bundle ts, @osc_path_s_new, s_name, node_id, pos_code, group_id, *normalised_args
end
sn
end
def sched_ahead_time_for_node_mod(node_id)
thread_local_deltas = __system_thread_locals.get(:sonic_pi_local_control_deltas)
if thread_local_deltas
d = thread_local_deltas[node_id] ||= @control_delta
thread_local_deltas[node_id] += @control_delta
sched_time + d
else
sched_time
end
end
def node_move(node, target_node, pos=nil, now=false)
position = @position_codes[pos]
message "nde m #{'%05d' % node.to_i} - Move node #{node.to_i} to: #{target_node.to_i} pos: #{position}" if @debug_mode
if now
osc @osc_path_n_order, position.to_i, target_node.to_i, node.to_i
else
ts = sched_ahead_time_for_node_mod(node.id)
osc_bundle ts, @osc_path_n_order, position.to_i, target_node.to_i, node.to_i
end
end
def node_ctl(node, args, now=false)
args_h = resolve_synth_opts_hash_or_array(args)
node_id = node.to_i
message "nde c #{'%05d' % node_id} - Control #{node.inspect} with args: #{args}" if @debug_mode
normalised_args = []
args_h.each do |k,v|
normalised_args << k.to_s << v.to_f
end
if now
osc @osc_path_n_set, node_id, *normalised_args
else
ts = sched_ahead_time_for_node_mod(node_id)
osc_bundle ts, @osc_path_n_set, node_id, *normalised_args
end
end
def node_pause(node, now=false)
node_id = node.to_i
message "nde p #{'%05d' % node_id} - Pause #{node.inspect}" if @debug_mode
if now
osc @osc_path_n_run, node_id, 0
else
ts = sched_ahead_time_for_node_mod(node_id)
osc_bundle ts, @osc_path_n_run, node_id, 0
end
end
def node_run(node, now=false)
node_id = node.to_i
message "nde r #{'%05d' % node_id} - Run #{node.inspect}" if @debug_mode
if now
osc @osc_path_n_run, node_id, 1
else
ts = sched_ahead_time_for_node_mod(node_id)
osc_bundle ts, @osc_path_n_run, node_id, 1
end
end
def node_map(node, args_h, now=false)
node_id = node.to_i
message "nde b #{'%05d' % node_id} - Map #{node.inspect}, #{args_h.inspect}" if @debug_mode
normalised_args = []
args_h.each do |k,v|
normalised_args << k.to_s << v.to_f
end
if now
osc @osc_path_n_map, node_id, *normalised_args
else
ts = sched_ahead_time_for_node_mod(node_id)
osc_bundle ts, @osc_path_n_map, node_id, *normalised_args
end
end
def control_bus_set(bus, val, now=false)
bus = bus.to_i
val = val.to_f
if now
osc @osc_path_c_set, bus, val
else
ts = sched_ahead_time_for_node_mod(bus * -1)
osc_bundle ts, @osc_path_c_set, bus, val
end
end
def buffer_alloc_read(path, start=0, n_frames=0)
buffer_id = @BUFFER_ALLOCATOR.allocate
detect_fail = lambda do |args|
(args[0] == @osc_path_b_allocread ) && (args[2] == buffer_id)
end
buffer_info(buffer_id) do
with_done_sync [@osc_path_b_allocread, buffer_id], detect_fail do
osc @osc_path_b_allocread, buffer_id, path, start, n_frames
end
end
end
def buffer_alloc(size, n_chans=2)
buffer_id = @BUFFER_ALLOCATOR.allocate
buffer_info(buffer_id) do
with_done_sync [@osc_path_b_alloc, buffer_id] do
osc @osc_path_b_alloc, buffer_id, size, n_chans
end
end
end
def buffer_free(buf)
osc @osc_path_b_free, buf.to_i
@BUFFER_ALLOCATOR.release! buf.to_i
end
def buffer_write(buf, path, extension="wav", sample_format="int16", synchronous=true)
path = File.expand_path(path)
with_done_sync [@osc_path_b_write, buf.to_i] do
osc @osc_path_b_write, buf.to_i, path, extension, sample_format, -1, 0, 0
end
return nil
end
def buffer_stream_open(path, size=65536, n_chans=2, extension="wav", sample_format="int16", n_frames=-1, start_frame=0, leave_open=1)
buf = buffer_alloc(size, n_chans)
buf.wait_for_allocation
path = File.expand_path(path)
with_done_sync [@osc_path_b_write, buf.to_i] do
osc @osc_path_b_write, buf.to_i, path, extension, sample_format, n_frames, start_frame, leave_open
end
BufferStream.new(self, buf, path, size, n_chans, extension, sample_format, n_frames, start_frame, leave_open)
end
def buffer_stream_close(buf_stream)
id = buf_stream.to_i
with_done_sync [@osc_path_b_close, id] do
osc @osc_path_b_close, id
end
buffer_free buf_stream
end
def buffer_info(id, &blk)
prom = Promise.new
handle_key = @osc_events.gensym("/sonicpi/server")
@osc_events.add_handler(@osc_path_b_info, handle_key) do |payload|
p = payload.to_a
if (id == p[0])
p.shift
prom.deliver! p
:remove_handler
end
end
if blk
Thread.new do
res = blk.call
if res.is_a? Exception
prom.deliver! res
@osc_events.rm_handler @osc_path_b_info, handle_key
else
osc @osc_path_b_query, id
end
end
else
osc @osc_path_b_query, id
end
LazyBuffer.new(self, id, prom)
end
def with_done_sync(matchers, detect_fail = nil, &block)
prom = Promise.new
handle = @osc_events.gensym("/sonicpi/server")
fail_handle = detect_fail ? @osc_events.gensym("/sonicpi/server/fail") : nil
if detect_fail
@osc_events.add_handler("/fail", fail_handle) do |pl|
pla = pl.to_a
if detect_fail.call(pla)
prom.deliver! Exception.new(pla[1])
[:remove_handlers, [handle, fail_handle]]
end
end
end
@osc_events.add_handler(@osc_path_done, handle) do |pl|
matched = true
begin
pla = pl.to_a
matchers.each_with_index do |m, idx|
if m != pla[idx]
matched = false
break
end
end
rescue Exception => e
matched = false
info "with_done_sync exception:\n#{e.message}\n#{e.backtrace.inspect}\n\n"
end
if matched
prom.deliver! true
if fail_handle
[:remove_handlers, [handle, fail_handle]]
else
:remove_handler
end
end
end
res = block.yield
pres = prom.get(5)
return pres if pres.is_a? Exception
res
end
def with_server_sync(&block)
id = @CURRENT_SYNC_ID.next
prom = Promise.new
@osc_events.add_handler(@osc_path_synced, @osc_events.gensym("/sonicpi/server")) do |payload|
if (id == payload.to_a[0])
prom.deliver! :sonic_pi_server_sync_notification
:remove_handler
end
end
res = block.yield
osc @osc_path_sync, id
prom.get
res
end
def status(timeout=nil)
prom = Promise.new
res = nil
key = @osc_events.gensym("/status.reply")
@osc_events.async_add_handler("/status.reply", key) do |pl|
prom.deliver! pl
:remove_handler
end
with_server_sync do
osc @osc_path_status
begin
res = prom.get(timeout)
rescue PromiseTimeoutError
@osc_events.rm_handler("/status.reply", key)
return nil
end
end
args = res.to_a
{
:ugens => args[1],
:synths => args[2],
:groups => args[3],
:sdefs => args[4],
:avg_cpu => args[5],
:peak_cpu => args[6],
:nom_samp_rate => args[7],
:act_samp_rate => args[8],
:audio_busses => @AUDIO_BUS_ALLOCATOR.num_busses_allocated,
:control_busses => @CONTROL_BUS_ALLOCATOR.num_busses_allocated
}
end
def osc(*args)
# log "--> osc: #{args}"
@scsynth.send(*args)
end
def osc_bundle(ts, *args)
# log "--> oscb at #{ts}, #{args}"
@scsynth.send_at(ts, *args)
end
def async_add_event_handlers(args_list)
@osc_events.async_add_handlers(args_list)
end
def add_event_handler(handle, key, &block)
@osc_events.add_handler(handle, key, &block)
end
def async_add_event_handler(handle, key, &block)
@osc_events.async_add_handler(handle, key, &block)
end
def add_event_oneshot_handler(handle, &block)
@osc_events.oneshot_handler(handle, &block)
end
def rm_event_handler(handle, key)
@osc_events.rm_handler(handle, key)
end
def event_gensym(s)
@osc_events.gensym(s)
end
def event(handle, payload)
@osc_events.event handle, payload
end
def async_event(handle, payload)
@osc_events.async_event handle, payload
end
def shutdown
@scsynth.shutdown
@osc_events.shutdown
end
# this is used just for setting audio latency and is independent of outgoing OSC and MIDI
def set_latency!(latency)
@latency = latency.to_f / 1000.0
end
# this is for global timewarp and is matched with outgoing OSC and MIDI
def set_global_timewarp!(time)
@global_timewarp = time.to_f / 1000.0
end
def sched_time
t = @current_spider_time_lambda.call || Time.now
sat = __system_thread_locals.get(:sonic_pi_spider_sched_ahead_time)
return t + sat + @latency + @global_timewarp if sat
i = __system_thread_locals.get(:sonic_pi_spider_thread_id_path, @server_thread_id)
res = @state.get(t, 0, i, 0, 0, 60, :sched_ahead_time)
raise "sched_ahead_time, can't get time. Is this a Sonic Pi thread? " unless res
return t + res.val + @latency + @global_timewarp
end
end
end