Try to get title from file metadata

tape-playlist.lua

@@ -24,6 +24,7 @@ local function bytes2time(b)
     return string.format("%dm, %ds", math.floor(s / 60), s % 60)
 end
 
+term.clear()
 local screen_w, screen_h = term.getSize()
 
 parallel.waitForAll(
@@ -56,6 +57,7 @@ function()
                 drive.play()
             end
         elseif ev == "term_resize" then
+            term.clear()
             screen_w, screen_h = term.getSize()
         elseif ev == "tape_present" then
             table_of_contents = {}

tape-playlist.py

@@ -7,9 +7,11 @@ from sys import argv
 from pathlib import Path
 from os.path import splitext
 from math import ceil
+from re import search
 
 DFPWM_ENCODER_EXECUTABLE = "aucmp"
 FFMPEG_EXECUTABLE = "ffmpeg"
+FFPROBE_EXECUTABLE = "ffprobe"
 
 DFPWM_SAMPLE_RATE = 6000
 
@@ -22,6 +24,7 @@ with TemporaryDirectory(prefix="tapedrive") as tmpdir_str:
     tmpdir = Path(tmpdir_str)
 
     filelist: list[Path] = []
+    titles: list[bytes] = []
     for i, name in enumerate(input_folder.rglob("*.mp3")):
         if i >= 48:
             print(f"more than 48 tracks, skipping {name}")
@@ -29,16 +32,20 @@ with TemporaryDirectory(prefix="tapedrive") as tmpdir_str:
         encoded_file = tmpdir / (splitext(name.name)[0] + ".dfpwm")
         filelist.append(encoded_file)
         with encoded_file.open("wb") as fout:
+            with Popen([ FFPROBE_EXECUTABLE, name ], stderr=PIPE) as ffprobe:
+                metadata: str = ffprobe.stderr.read().decode()  # type: ignore
+                if (match := search(r"title\s+: (.*)", metadata)):
+                    titles.append(match.groups()[0].encode("ascii", errors="ignore"))
+                else:
+                    titles.append(splitext(name.name)[0].encode("ascii", errors="ignore"))
             with Popen([ DFPWM_ENCODER_EXECUTABLE ], stdout=fout, stdin=PIPE) as dfpwm:
                 with Popen([ FFMPEG_EXECUTABLE, "-i", name, "-f", "s8", "-ac", "1",
                             "-ar", "48k", "-" ], stdout=dfpwm.stdin) as ffmpeg:
                     ffmpeg.wait()
 
     offset: int = 6000
-    titles: list[bytes] = []
     positions: list[tuple[int, int]] = []
     for file in filelist:
-        titles.append(file.name.removesuffix(".dfpwm").encode("ascii", errors="replace"))
         size = ceil(file.stat().st_size / DFPWM_SAMPLE_RATE) * DFPWM_SAMPLE_RATE
         positions.append((offset, size))
         offset += size
@@ -50,7 +57,7 @@ with TemporaryDirectory(prefix="tapedrive") as tmpdir_str:
             name = (titles[i] if i < len(titles) else b"")[:117]
             pos = positions[i] if i < len(titles) else (0, 0)
             if i < len(titles):
-                print(f"{i:2d} {pos[0]} + {pos[1]}")
+                print(f"{i:2d} {pos[0]} + {pos[1]} {name}")
             written_bytes += fout.write(pos[0].to_bytes(4, "big"))
             written_bytes += fout.write(pos[1].to_bytes(4, "big"))
             written_bytes += fout.write(name)