* [ANN] dtas 0.21.0 - duct tape audio suite for *nix
@ 2022-09-06 21:47 5% Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2022-09-06 21:47 UTC (permalink / raw)
To: dtas-all, ruby-talk
Free Software command-line tools for audio playback, mastering, and
whatever else related to audio. dtas follows the worse-is-better
philosophy and acts as duct tape to combine existing command-line tools
for flexibility and ease-of-development. dtas is primarily implemented
in Ruby, but will gradually switch to a language with fewer backwards
incompatibilities in the future.
Changes:
There's two minor fixes for dtas-splitfx, and one for
dtas-player users using the rate=bypass optimization.
3 changes since v0.20.0 (2022-02-03):
splitfx: fix error reporting of failed tracks
splitfx: warn on improper encodings for titles
player: drain sinks completely before changing sink rate
* homepage: https://80x24.org/dtas/
* https://80x24.org/dtas/INSTALL
* https://80x24.org/dtas/dtas-player.txt
* https://80x24.org/dtas/NEWS.atom
* git clone https://80x24.org/dtas.git
* dtas-all@nongnu.org (plain-text only, no HTML mail, please)
* mail archives: https://80x24.org/dtas-all/
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* [PATCH] player: drain sinks completely before changing sink rate
@ 2022-08-14 21:24 7% Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2022-08-14 21:24 UTC (permalink / raw)
To: dtas-all
For users of the CPU-saving bypass mode (e.g. "format rate=bypass"),
this fixes a bug when enqueueing a 44.1kHz immediately after a
48kHz file (or vice-versa).
Note: gapless playback with different rates/channels between
tracks has never been supported with bypass mode enabled.
Bypass only allows opportunistic gapless when sequential tracks
have the same format.
---
lib/dtas/player.rb | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/lib/dtas/player.rb b/lib/dtas/player.rb
index 06ba788..6ea3aba 100644
--- a/lib/dtas/player.rb
+++ b/lib/dtas/player.rb
@@ -37,6 +37,7 @@ def initialize
@paused = false
@format = DTAS::Format.new
@bypass = [] # %w(rate bits channels) (not worth Hash overhead)
+ @bypass_next = nil # source_spec
@sinks = {} # { user-defined name => sink }
@targets = [] # order matters
@@ -331,6 +332,7 @@ def create_default_sink
# called when the player is leaving idle state
def spawn_sinks(source_spec)
+ @bypass_next = nil
return true if @targets[0]
@sinks.each_value do |sink|
sink.active or next
@@ -392,6 +394,8 @@ def next_source(source_spec)
if ! @bypass.empty? && pending.respond_to?(:format)
new_fmt = bypass_match!(@format.dup, pending.format)
if new_fmt != @format
+ @bypass_next = source_spec
+ return if @sink_buf.inflight > 0
stop_sinks # we may fail to start below
format_update!(new_fmt)
end
@@ -434,6 +438,7 @@ def drop_target(target)
end
def stop_sinks
+ @bypass_next = nil
@targets.each { |t| drop_target(t) }.clear
end
@@ -458,7 +463,9 @@ def sink_iter
end
# nothing left inflight, stop the sinks until we have a source
+ bn = @bypass_next
stop_sinks
+ next_source(bn) if bn # are we restarting for bypass?
:ignore
end
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