| Commit message (Collapse) | Author | Age |
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The contact address dennis.fink@c3l.lu has been replaced with
me+coding@dennisfink.me across all files where it appeared:
SPDX-FileCopyrightText, AUTHOR constant, --version output,
README footer, LICENSE file, and the man page AUTHOR section.
SPDX licence headers were also added to transcode.sh.1 and
transcode.sh.bash-completion to bring all files into full
REUSE compliance.
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Add a structured config file so common defaults can live in one place
instead of being repeated in aliases or shell wrappers. CLI flags keep
precedence, which keeps one-off overrides predictable.
Use tomlq only when a config file is present, and fail early on missing
dependencies or invalid TOML so configuration mistakes do not silently
change encode behavior.
Move the persistent skip-codec list from the legacy skip.conf file to
[skip] codecs in config.toml. Config codecs are merged with --skip-codec
so global defaults and per-run skips can be combined.
Document the new format in the README and man page, update dependency
notes, and extend bash completion for config-file paths and the new
negative boolean flags.
BREAKING CHANGE: skip.conf is no longer read for codec skips. Migrate
its entries to [skip] codecs in config.toml and remove the old file.
BREAKING CHANGE: --encodefile and --encodefile= are replaced by
--encode-file and --encode-file=. Update scripts, aliases, and
completion usage to use the hyphenated option name.
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Rewrite `print_help` to use the full color palette and group options into
labeled sections (Encoding, Input, Savings log, Output, General, and a
new Configuration files section). The Configuration files section
documents the preset directory and skip.conf path, including the
variables available to preset authors and the security note about
trusted sources.
Default values for `--preset`, `--nice`, and `--saving-file` are now shown
inline using `$PRESET_NAME`, `$NICE_VALUE`, and `$SAVING_FILE` rather than
being hardcoded, so they always reflect the actual defaults.
Rewrite `print_version` to inline the BSD-3-Clause license text directly
instead of conditionally catting `LICENSES/BSD-3-Clause.txt`. This makes
`--version` self-contained regardless of where the script is invoked from.
Apply the same color treatment to the short usage hint printed when no
arguments are given.
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Reverts commit b10b81fefbe529be7db14ca65ec4b4a293782d39.
The nameref approach did not work as intended; reverting to restore
correct behaviour.
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Joining into a single string ensures the entire list renders uniformly.
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The --saving-file without --saving condition is non-fatal, so using
error() was misleading. Introduce warn() (yellow output, respects
--quiet) and use it for this diagnostic instead.
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encode_one now receives the current index and total file count and
includes them in the "Processing" message (e.g. "Processing [2/7]:
file.mkv"). Both the CLI and encode-file paths pre-collect their file
lists into arrays so the total is known before encoding begins.
Also fix a typo in the encode_one step comment ("preserverse" ->
"preserves") and add a note on the filename variable explaining the
single-extension stripping behaviour for multi-dot filenames.
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Merge the two separate ffprobe invocations for codec and pixel format
into one, halving the per-file probe overhead on large batches. Both
error messages now include the filename for easier diagnosis in batch
runs.
Replace the three-way nested if/elif/else for pixel format selection
with two independent case statements — one for chroma subsampling, one
for bit depth — that compose the output format string from two parts.
This eliminates the repetition across the three subsampling branches
and makes adding a new bit depth or subsampling variant a single-line
change. Also add a verbose fallback warning for exotic formats that
don't match any known subsampling pattern.
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load_preset now accepts the name of the caller's array as a second
argument and populates it via a nameref (local -n), replacing the
previous implicit global ffargs. The preset is sourced into a local
ffargs contained within load_preset's scope and copied to the caller
on return.
encode_one declares its own local ffargs=() and passes its name to
load_preset, making the data flow explicit and eliminating the implicit
coupling through the global. The nameref variable is prefixed with an
underscore to avoid accidental aliasing of any same-named local in the
calling scope.
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Replace the full help page on no-args with a short usage hint to stderr,
reserving the full help for explicit -h/--help invocations.
Print the active codec skip list at startup under --verbose so
unexpected skips can be diagnosed without resorting to DEBUG mode.
Include the resolved ffmpeg command in dry-run --verbose output, which
is useful for preset authors verifying their ffargs expansion.
Fix the only-if-smaller message to follow the "label: value" convention
used throughout the script.
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Reject empty values for --encodefile, --saving-file, and --preset in
both the space-separated and equals forms (e.g. --preset= now exits
with a clear error instead of failing later with a confusing message
from the allowlist check).
Track whether --saving-file was set explicitly via SAVING_FILE_EXPLICIT.
Warn when --saving-file is used without --saving, but do not exit, to
allow the combination in aliases and wrapper scripts.
Change the savings log format from space-separated to TSV and write a
header line on first creation, making the file easier to parse both by
eye and programmatically.
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- Drop the UMASK variable; umask is called directly with the literal value
- Simplify filesize() to a one-liner using || instead of if/local/printf
- Fold token lowercasing into the local declaration in add_skip_codec_token
and drop the now-redundant empty-string guard
- Replace manual whitespace trimming in the skip.conf reader with read's
built-in IFS trimming
- Replace the yuvj* case statement with a single parameter substitution
- Collapse nested only-if-smaller conditions into one && expression
- Move the "Sourcing preset file" debug call to just before source
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Replaces $$.$RANDOM with mktemp, which provides cryptographically
random names and atomic file creation.
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Validate the nice value is an integer in [-20, 19] at startup rather
than letting nice(1) fail with a cryptic error at encode time.
In encode_one, move the "Processing" message after the empty-string
guard so it is not printed for blank lines, include the filename in the
"Not found" error, and add a readability check so unreadable files are
rejected with a clear message before ffprobe is invoked.
Validate that the encode file (-f) exists before entering the read
loop, exiting with a usage error rather than a silent empty run.
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Preset files are executed as shell code. A world-writable preset file
could be modified by any local user to inject arbitrary commands.
Symlinks are resolved before the permission check because stat on a
symlink returns the permissions of the link itself (always 777 on
Linux) rather than those of the target. readlink -f is used with a
fallback to realpath for macOS/BSD compatibility.
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Aliases are never defined or used in the script, making this option
redundant. Removing it reduces the attack surface slightly and avoids
unexpected behaviour if the script is ever sourced into a shell with
user-defined aliases.
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Consistent with the DEBUG variable which is also compared against 1
throughout the script.
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Aligns with the two-argument calling convention used elsewhere in the
script, where the bold label and the highlighted value are passed as
separate arguments. Also moves the preset name out of the error string
in load_preset for the same reason.
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Previously only output_pixel_format was mentioned. All three variables
(input_codec, input_pixel_format, output_pixel_format) are now listed
with descriptions in the script header comment, the README, and the
man page.
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Both the README and the man page now explain that the script always
passes -map 0, -map_metadata 0, -map_chapters 0, and -c copy to
ffmpeg before appending the preset's ffargs array. This context is
important for preset authors, who only need to override the streams
they intend to re-encode.
Also fix a minor blockquote rendering issue in the README (missing
blank line before the fenced code block in the PATH note).
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Batch transcode helper for media files using ffmpeg. Encoding parameters
are supplied by user-defined preset files (shell snippets that set an
`ffargs` array) stored under
${XDG_CONFIG_HOME:-$HOME/.config}/transcode.sh/presets/.
Key capabilities:
- Probes input codec and pixel format via ffprobe; derives an output
pixel format that preserves chroma subsampling and bit depth.
- Per-user and per-invocation codec skip lists to leave already-encoded
files untouched.
- Atomic in-place replacement: encodes to a temp file in the same
directory, then renames on success.
- --only-if-smaller: discard the result if it is larger than the
original.
- --saving: append filename, original/new sizes and percentage saved to
a log file after each successful encode.
- --dry-run, --verbose, --quiet, --nice and --continue flags.
- Respects the NO_COLOR standard.
- Script hardening: strict PATH, safe IFS, errtrace, nounset, pipefail.
Also included:
- Man page (transcode.sh.1)
- Bash completion script (transcode.sh.bash-completion)
- README.md
- .gitmessage commit message template
License: BSD-3-Clause
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