Show per-file captions
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hbrain
parent
0c1ee1c42a
commit
24f226aa75
1 changed files with 54 additions and 13 deletions
67
movmaker.py
67
movmaker.py
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@ -19,6 +19,7 @@ import shlex
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import subprocess
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import sys
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import tempfile
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import unicodedata
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from dataclasses import dataclass
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from datetime import datetime
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from pathlib import Path
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@ -208,6 +209,14 @@ def media_date(path: Path) -> datetime:
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def slugify(value: str) -> str:
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replacements = {
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"æ": "ae", "Æ": "ae",
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"ø": "o", "Ø": "o",
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"å": "a", "Å": "a",
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"đ": "d", "Đ": "d",
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}
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value = "".join(replacements.get(ch, ch) for ch in value)
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value = unicodedata.normalize("NFKD", value).encode("ascii", "ignore").decode("ascii")
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value = value.strip().lower()
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value = re.sub(r"[^a-z0-9]+", "_", value)
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value = value.strip("_")
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@ -348,6 +357,7 @@ def build_video(
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audio: Path | None,
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output: Path,
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data: MovieData,
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captions: list[str],
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fade: float,
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audio_fade: float,
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width: int,
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@ -368,16 +378,19 @@ def build_video(
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n = len(clips)
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total_duration = durations[0]
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transition_offsets: list[float] = []
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if n == 1:
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current = "0:v"
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else:
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current = "v01"
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offset = max(0.0, durations[0] - fade)
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transition_offsets.append(offset)
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filters.append(f"[0:v][1:v]xfade=transition=fade:duration={fade:.3f}:offset={offset:.3f}[{current}]")
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total_duration = durations[0] + durations[1] - fade
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for i in range(2, n):
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next_label = f"v{i:02d}"
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offset = max(0.0, total_duration - fade)
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transition_offsets.append(offset)
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filters.append(f"[{current}][{i}:v]xfade=transition=fade:duration={fade:.3f}:offset={offset:.3f}[{next_label}]")
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current = next_label
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total_duration += durations[i] - fade
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@ -388,8 +401,8 @@ def build_video(
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title_font = str(Path.home() / ".local/share/fonts/google/BebasNeue-Regular.ttf")
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stamp_font = str(Path.home() / ".local/share/fonts/google/Inter%5Bopsz,wght%5D.ttf")
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if title_lines:
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title_font_size = max(50, height // 12)
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subtitle_font_size = max(28, height // 24)
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title_font_size = max(60, height // 10)
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subtitle_font_size = max(34, height // 20)
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main_title = data.title or title_lines[0]
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subtitle = " | ".join(x for x in [data.date, data.place] if x)
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title_alpha = "if(lt(t\\,5)\\,1\\,if(lt(t\\,6)\\,6-t\\,0))"
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@ -397,47 +410,74 @@ def build_video(
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title_y = f"(h-text_h)/2-{title_font_size // 2}"
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filters.append(
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f"[{current}]drawtext=fontfile='{title_font}':text='{drawtext_escape(main_title)}':x=(w-text_w)/2:y={title_y}:"
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f"fontsize={title_font_size}:text_spacing=4:fontcolor=white:borderw=3:bordercolor=black:"
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f"fontsize={title_font_size}:fontcolor=white:borderw=0:shadowcolor=black@0.75:shadowx=3:shadowy=3:"
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f"alpha='{title_alpha}':enable='between(t,0,6)'[title0]"
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)
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filters.append(
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f"[title0]drawtext=fontfile='{title_font}':text='{drawtext_escape(main_title)}':x=(w-text_w)/2+1:y={title_y}:"
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f"fontsize={title_font_size}:text_spacing=4:fontcolor=white:borderw=3:bordercolor=black:"
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f"fontsize={title_font_size}:fontcolor=white:borderw=0:shadowcolor=black@0.75:shadowx=3:shadowy=3:"
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f"alpha='{title_alpha}':enable='between(t,0,6)'[title0b]"
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)
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filters.append(
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f"[title0b]drawtext=fontfile='{title_font}':text='{drawtext_escape(subtitle)}':x=(w-text_w)/2:y=(h-text_h)/2+{subtitle_font_size}:"
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f"fontsize={subtitle_font_size}:fontcolor=white:borderw=3:bordercolor=black:"
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f"fontsize={subtitle_font_size}:fontcolor=white:borderw=0:shadowcolor=black@0.75:shadowx=2:shadowy=2:"
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f"alpha='{title_alpha}':enable='between(t,0,6)'[{title_label}]"
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)
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else:
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filters.append(
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f"[{current}]drawtext=fontfile='{title_font}':text='{drawtext_escape(main_title)}':x=(w-text_w)/2:y=(h-text_h)/2:"
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f"fontsize={title_font_size}:text_spacing=4:fontcolor=white:borderw=3:bordercolor=black:"
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f"fontsize={title_font_size}:fontcolor=white:borderw=0:shadowcolor=black@0.75:shadowx=3:shadowy=3:"
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f"alpha='{title_alpha}':enable='between(t,0,6)'[title0]"
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)
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filters.append(
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f"[title0]drawtext=fontfile='{title_font}':text='{drawtext_escape(main_title)}':x=(w-text_w)/2+1:y=(h-text_h)/2:"
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f"fontsize={title_font_size}:text_spacing=4:fontcolor=white:borderw=3:bordercolor=black:"
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f"fontsize={title_font_size}:fontcolor=white:borderw=0:shadowcolor=black@0.75:shadowx=3:shadowy=3:"
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f"alpha='{title_alpha}':enable='between(t,0,6)'[{title_label}]"
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)
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else:
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filters.append(f"[{current}]copy[{title_label}]")
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stamp_size = max(11, height // 80)
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caption_label = title_label
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caption_size = max(18, height // 42)
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for idx, caption in enumerate(captions):
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if not caption:
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continue
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if n == 1:
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start = 0.0
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end = total_duration
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elif idx == 0:
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start = 0.0
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end = transition_offsets[0]
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elif idx == n - 1:
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start = transition_offsets[idx - 1] + fade
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end = total_duration
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else:
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start = transition_offsets[idx - 1] + fade
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end = transition_offsets[idx]
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if end <= start:
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continue
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next_label = f"caption{idx}"
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filters.append(
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f"[{caption_label}]drawtext=fontfile='{stamp_font}':text='{drawtext_escape(caption)}':x=(w-text_w)/2:y=h-text_h-62:"
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f"fontsize={caption_size}:fontcolor=white:borderw=1:bordercolor=black:"
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f"enable='between(t,{start:.3f},{end:.3f})'[{next_label}]"
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)
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caption_label = next_label
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stamp_size = max(14, height // 65)
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stamp_lines = [x for x in [data.title, data.date, data.place] if x]
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stamp_text = drawtext_escape(" | ".join(stamp_lines))
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stamp_left_label = "stamp_left"
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if stamp_text:
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filters.append(
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f"[{title_label}]drawtext=fontfile='{stamp_font}':text='{stamp_text}':x=24:y=h-text_h-18:"
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f"fontsize={stamp_size}:fontcolor=white:borderw=3:bordercolor=black[{stamp_left_label}]"
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f"[{caption_label}]drawtext=fontfile='{stamp_font}':text='{stamp_text}':x=24:y=h-text_h-18:"
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f"fontsize={stamp_size}:fontcolor=white:borderw=1:bordercolor=black[{stamp_left_label}]"
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)
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else:
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filters.append(f"[{title_label}]copy[{stamp_left_label}]")
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filters.append(f"[{caption_label}]copy[{stamp_left_label}]")
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filters.append(
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f"[{stamp_left_label}]drawtext=fontfile='{stamp_font}':text='@bubulescu':x=w-text_w-24:y=h-text_h-18:"
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f"fontsize={stamp_size}:fontcolor=white:borderw=3:bordercolor=black[{final_label}]"
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f"fontsize={stamp_size}:fontcolor=white:borderw=1:bordercolor=black[{final_label}]"
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)
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cmd += ["-filter_complex", ";".join(filters), "-map", f"[{final_label}]"]
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@ -529,8 +569,9 @@ def main(argv: list[str] | None = None) -> int:
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# Use probed normalized duration for accuracy.
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durations = [ffprobe_duration(out) for out in clips]
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captions = [data.captions.get(item.path.name, data.captions.get(str(item.path), "")) for item in media]
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audio = concat_or_mix_audio(audio_files, tmp / "music.m4a")
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build_video(clips, durations, audio, output, data, fade, audio_fade, width, height, fps, preset, crf)
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build_video(clips, durations, audio, output, data, captions, fade, audio_fade, width, height, fps, preset, crf)
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print(f"Done: {output}")
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return 0
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