Initial Commit

.gitignore

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+.idea

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/Music.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="PackageRequirementsSettings" />
+  <component name="PyDocumentationSettings" />
+  <component name="ReSTService" />
+  <component name="TestRunnerService" />
+</module>

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Music.iml" filepath="$PROJECT_DIR$/.idea/Music.iml" />
+    </modules>
+  </component>
+</project>

audio_snippets.py

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+#!/usr/bin/env python3
+
+import argparse
+import re
+import subprocess
+import tempfile
+from pathlib import Path
+
+EXTENSIONS = {
+    ".mp3", ".m4a", ".wav", ".flac",
+    ".aac", ".ogg", ".aiff", ".aif"
+}
+
+
+def run(command):
+    subprocess.run(command, check=True)
+
+
+def create_snippets(
+    source,
+    output,
+    snippet_seconds=8,
+    silence_seconds=4
+):
+    source = Path(source).expanduser().resolve()
+    output = Path(output).expanduser().resolve()
+
+    if not source.is_dir():
+        raise SystemExit(f"Folder not found: {source}")
+
+    if snippet_seconds <= 0 or silence_seconds < 0:
+        raise SystemExit("Invalid snippet or silence duration")
+
+    tracks = sorted(
+        (
+            p for p in source.iterdir()
+            if p.is_file()
+            and p.suffix.lower() in EXTENSIONS
+            and p != output
+        ),
+        key=lambda p: [
+            int(part) if part.isdigit() else part.lower()
+            for part in re.split(r"(\d+)", p.name)
+        ]
+    )
+
+    if not tracks:
+        raise SystemExit("No supported audio files found")
+
+    print(f"Found {len(tracks)} tracks")
+
+    output.parent.mkdir(parents=True, exist_ok=True)
+
+    with tempfile.TemporaryDirectory() as temp:
+        temp = Path(temp)
+        segments = []
+
+        for index, track in enumerate(tracks, start=1):
+            print(f"[{index}/{len(tracks)}] {track.name}")
+
+            snippet = temp / f"snippet_{index:04d}.wav"
+
+            run([
+                "ffmpeg",
+                "-hide_banner",
+                "-loglevel", "error",
+                "-y",
+                "-i", str(track),
+                "-t", str(snippet_seconds),
+                "-vn",
+                "-ac", "2",
+                "-ar", "44100",
+                "-c:a", "pcm_s16le",
+                str(snippet)
+            ])
+
+            segments.append(snippet)
+
+            if index < len(tracks) and silence_seconds > 0:
+                silence = temp / f"silence_{index:04d}.wav"
+
+                run([
+                    "ffmpeg",
+                    "-hide_banner",
+                    "-loglevel", "error",
+                    "-y",
+                    "-f", "lavfi",
+                    "-i",
+                    "anullsrc=r=44100:cl=stereo",
+                    "-t", str(silence_seconds),
+                    "-c:a", "pcm_s16le",
+                    str(silence)
+                ])
+
+                segments.append(silence)
+
+        playlist = temp / "playlist.txt"
+
+        playlist.write_text(
+            "".join(
+                f"file '{str(segment)}'\n"
+                for segment in segments
+            )
+        )
+
+        print("Combining snippets...")
+
+        run([
+            "ffmpeg",
+            "-hide_banner",
+            "-loglevel", "error",
+            "-y",
+            "-f", "concat",
+            "-safe", "0",
+            "-i", str(playlist),
+            "-c:a", "libmp3lame",
+            "-b:a", "192k",
+            str(output)
+        ])
+
+    print()
+    print("Complete!")
+    print(f"Output: {output}")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument("source")
+    parser.add_argument("output")
+
+    parser.add_argument(
+        "--snippet",
+        type=float,
+        default=5
+    )
+
+    parser.add_argument(
+        "--silence",
+        type=float,
+        default=5
+    )
+
+    args = parser.parse_args()
+
+    create_snippets(
+        args.source,
+        args.output,
+        args.snippet,
+        args.silence
+    )

run.sh

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+python3 "/Volumes/Developer/Applications/Music/audio_snippets.py" \
+  "/Users/markgregory/Music/Sunnify/Christmas Songs - Mark-Gregory" \
+  "$HOME/Downloads/christmas_comp.mp3"