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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
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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.
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Sometimes I get non-English song titles and copy+paste them from
non-UTF8 texts.
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Sometimes the command fails on certain tracks, and we need to
use the proper track object for error reporting.
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This release catches up with Psych (YAML) changes in Ruby 3.1+
Ruby 2.3+ is now the minimum version, though keep in mind the
ruby-core team already dropped support for it long ago.
Most of the features are focused on audio engineering
capabilities of dtas-splitfx. dtas-splitfx gains the --filter
switch, along with per-track environment variables and comments.
These new features have made my workflow significantly better.
dtas-archive supports explicit comments, and omits the default
SoX comment. To better cope with temporary and modified files
during editing, dtas-player metadata now checks ctime before
reusing the cache, handy for frequently-modified files.
"dtas-tl prune" is now supported to cull temporary files from
the player tracklist.
There's a few dtas-console improvements, too.
28 changes since v0.19.0 (2021-09-05):
archive: support comments, default to none
splitfx: use Etc.nprocessors for jobs if unspecified
dtas-console: set X11 terminal title iff DISPLAY is set
dtas-console: add 'i' toggle to show comments (metadata)
splitfx: fix track_zpad with integer arg
doc: drop ordered map from examples
player: reduce syscalls when splicing to single target
dtas-console: support Wayland terminal titles, too
console: workaround safe warnings in outdated `curses' gem
require Ruby 2.3+
get rid of DTAS.dedupe_str wrapper
move dtas-graph into script/, support Perl for dtas.sh
use YAML.unsafe_load in Psych 4.x (Ruby 3.1+)
deduplicate and freeze pathnames + metadata
player: remove omap conversion
dtas: drop unnecessary "require 'yaml'" statements
dtas-tl prune: cull missing files from tracklist
dtas-tl: drop encoding hacks, use binary stdout+stderr
use IO#wait_readable consistently
get rid of DTAS::Nonblock wrapper for Ruby <= 2.0
unix_accepted: drop Ruby < 2.3 support code
do not check IO#closed? before calling IO#close
splitfx: support per-track environment variables
splitfx: add --filter option to limit match to comments
player: expire sox metadata cache on file st_ctime changes
readahead: do not call -@ on non-String
splitfx: disallow combining --trim and --filter
splitfx: document changes ahead of 0.20.0 release
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--filter, per-track comments and environments are the subtle but
major new features for the next release.
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They're two different ways of accomplishing roughly the same thing,
but --filter can be more flexible given the use of per-track
environment variables.
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There may not be an `infile' element in the `current' response.
Fixes: bf9787ac517fe19a ("deduplicate and freeze pathnames + metadata")
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We still need the TTL to deal with fuse.sshfs and maybe other weird
FSes which don't return the st_ctime properly.
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This can allow filtering for tracks with a given comment
declared via the ".#{COMMENT}" mechanism or the track title.
If no prefix is given (before the '='), then all comment
values are matched.
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This allows setting the `FX' env on a per-track basis, since
some recordings may have massive dynamic shifts which aren't
desirable for casual listening or broadcast playback.
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IO#close is idempotent since Ruby 2.3, so reduce our instruction
footprint to save some memory.
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This should save a little bit of memory for current users.
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We require 2.3+, nowadays, so jettison a bunch of code.
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Since Ruby 2.3, it no longer checks FIONREAD, and we require
Ruby 2.3+ nowadays, so drop our IO.select-based workarounds.
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Try to consistently treat pathnames as binary blobs everywhere,
since POSIX FSes allow everything but "\0" in pathnames.
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This helps for folks creating and replacing many throwaway files
while editing with dtas-splitfx, or compulsive renamers.
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We use DTAS.yaml_load to wrap all YAML.*load calls, but
we still need "require 'yaml'" for various .to_yaml calls.
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"omap" is specific to Ruby and makes interopability with other
languages more difficult.
While it's true environment variables are stored as an ordered
array of C strings (see environ(7)); order doesn't matter in
practice. Everyone in the real world treats the environment as
an unordered key-value store.
Followup-to: cac63517e7f751cc (doc: drop ordered map from examples, 2022-01-07)
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This ought to save some memory for dtas-player and
dtas-readahead users with multiple instances of the same
track(s) on their track list.
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Psych 4.x defaults to "nanny mode" to handle untrusted data.
This causes breakage with since YAML references (aliases)
emitted by dtas-player can't be handled by Psych clients under
Ruby 3.1. Since dtas is single user and is a shell designed to
run arbitrary code, favor the new YAML.unsafe_load API which
behaves like the old YAML.load in Ruby <= 3.0.
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"script/" is the standard location for Perl ExtUtils::MakeMaker-based
installations, so and we'll probably overload "lib" to support Perl
scripts. This is another step in expanding our use of Perl5 and
avoiding the slow startup and API instability of Ruby.
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Ruby 2.3+ supports String#@-, though it did not deduplicate
strings. But 2.5 is already old at this point and most users
can be expected to have it.
This gives some memory regressions for Ruby <= 2.4 users,
but cuts down on the code we maintain and reduces bytecode
overhead for 2.5+ users.
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This allows us to jettison a bunch of compatibility code since
we've started using Etc.nprocessors and String#- (uminus) in
more places. The Ruby core team doesn't support <= 2.5, even.
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Debian bullseye users are stuck with ruby-curses 1.2.4, which
means they'll hit rb_safe_level warnings with Ruby 2.7+.
cf. https://bugs.debian.org/958973
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Tested-by: James Rowe <jnrowe@gmail.com>
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splice(2) alone does not give enough information as to whether
the source or destination is blocking. However, as far as audio
playback chain goes, the sink should ALWAYS be the limiting
factor as decoder sources need to be able to produce data at
least as fast as the audio is being played (otherwise there'll
be audible drops).
Thus, we bias the select(2) into waiting on a targets on if we
splice(2) less than the data we requested.
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"omap" is specific to Ruby and makes interopability with other
languages more difficult.
While it's true environment variables are stored as an ordered
array of C strings (see environ(7)); order doesn't matter in
practice. Everyone in the real world treats the environment as
an unordered key-value store, and we shall follow.
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This is a rarely-needed corner-case, but I just needed to use
this feature.
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This can be useful in the face of non-descriptive filenames.
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This allows users running terminals in graphical environments to
navigate to the terminal running dtas-console more easily.
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We'll take advantage of multicore if available; because even
bums like me have SMP machines these days.
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The default "Processed by SoX" comment is pointless, and I often
want to archive + tag something in one step to reduce FS I/O.
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Non-UTF-8-encoded pathnames now handled properly by dtas-mlib.
Shell-unfriendly filenames are handled properly if they require
ffmpeg (they were always handled properly when using sox).
Some minor URL and doc updates, too, and there's a new
"make symlink-install" target for users who lack permissions
to install RubyGems.
6 changes since v0.18.1 (2021-02-13):
mlib: pathnames may be blobs
README: replace NNTP URL with NNTPS
gemspec: allow building gem without setting VERSION
build: add "symlink-install" target
do not shell-quote filenames for environment
doc: use Tor v3 .onion URLs
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Tor is dropping v2 .onion in favor of more secure (but less
readable) v3 .onion URLs. Zooko's triangle once again :/
(no, we won't support planet-destroying proof-of-work schemes)
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This allows dtas-player to play files with wonky filenames
when piping ffmpeg (or avconv) to sox. SoX-only code
dtas-player paths are not affected since they don't require
an extra Bourne shell.
All of our internal shell pipelines quote "$INFILE",
anyways, so there was never any need to escape for those.
This may cause compatibility problems for splitfx users, but
splitfx is probably too esoteric to have any users besides
myself. And I expect anybody editing audio with dtas-splitfx to
pick shell-friendly filenames.
dtas-player is far more general, and likely to encounter
shell-unfriendly filenames which require quoting.
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This is useful for users relying on system Ruby and lack
permissions to install gems.
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It's less DRY, but probably more familiar to people who can't
be bothered to use the Makefile.
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Unencrypted NNTP still works, of course, but is subject
to snooping and MITM attacks.
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POSIX filesystems do not enforce encodings, so we'll convert
non-UTF-8 filenames to blobs for SQLite instead of failing on
encoding errors. This should allow us to work on collections
which feature legacy encodings.
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Mainly seek improvements to dtas-player. The fallback to use
charlock-holmes for strangely-encoded files is fixed.
7 changes since 0.18.0 (2020-02-03):
splitfx: reduce syscalls for writing comments file
splitfx: support --err-suffix option
player: fix +/- directional seeks while paused
README: update and add more URLs for archives
encoding: use CharlockHolmes properly on first run
dtas-console: gracefully handle seek failures
INSTALL: update dependencies for current Debian stable
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Unfortunately, mp3gain is no longer in current versions and
using old Debian archives is required.
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dtas-console doesn't need to quit when a user attempts to seek
an unseekable file, since the user often doesn't know it's
unseekable until a seek is attempted.
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Ruby case/when is not like C with fall-through, so we can't
rely on fall-through behavior to use CharlockHolmes to detect
legacy encodings.
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public-inbox.org now runs an anonymous IMAP server
(AUTH=ANONYMOUS is also supported). If we ever exceed 50000K
messages in our mail archives, new messages will appear in the
".1" mailbox.
Tor .onion URLs have always been supported, too.
news.gmane.org also moved to news.gmane.io a while back:
https://lars.ingebrigtsen.no/2020/01/15/news-gmane-org-is-now-news-gmane-io/
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Using relative seek (Up/Dn/PgUp/PgDn) with dtas-console while
dtas-player is paused was causing non-sensical/confusing results
on unpause.
So clamp the minimum seek time to 0s the same way we clamp
during playback.
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Write the contents of "stderr". This is useful for capturing the
per-track output of the sox(1) "stats" effect when combined with
parallel "--jobs".
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We can flush when all comments are buffered to avoid a writev(2)
syscall on every comment.
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fiddle is now supported for Linux users without a C compiler or
Ruby headers installed to take advantage of inotify(7)
functionality and efficiency improvements with splice(2) and
eventfd(7).
For non-RubyGems users, there's some setup.rb fixes thanks
to James Rowe.
Eric Wong (8):
doc: fixup leftover ftp://lists.gnu.org links
pipe: avoid loading sleepy_penguin
provide fiddle-based eventfd implementation
buffer: replace sleepy_penguin with fiddle
watchable: use fiddle for inotify support
doc: remove most recommendations for sleepy_penguin
INSTALL: s/bogomips.org/yhbt.net/
doc: update copyrights for 2020
James Rowe (2):
setup: update to use RbConfig
setup: fix duplicate variable warning
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Using the 'update-copyright' script from gnulib[1]:
git ls-files | UPDATE_COPYRIGHT_HOLDER='all contributors' \
UPDATE_COPYRIGHT_USE_INTERVALS=2 \
xargs /path/to/gnulib/build-aux/update-copyright
[1] https://git.savannah.gnu.org/git/gnulib.git
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