#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ 《说书人》MV 生成器（静态分镜 + 运镜 + 歌词字幕 + 音轨） 时间码来源：从音源视频画面中的书法字幕逐帧读取（每 1.5s 采样）， 并用音频能量包络交叉验证（音乐 0:09.25 进入，2:52.85 结束）。 用法：python3 build_mv.py [--preview] [--no-audio] 输出：说书人-MV-v1.mp4 """ import os import subprocess import sys import tempfile BASE = os.path.dirname(os.path.abspath(__file__)) ROOT = os.path.dirname(BASE) FONT = "/usr/share/fonts/opentype/source-han-cjk/SourceHanSansSC-Medium.otf" AUDIO = os.path.join(ROOT, "05-音频", "说书人-音源.wav") FPS = 30 W, H = 1920, 1080 SRC_W, SRC_H = 3840, 2160 ZMAX = 0.18 END = 173.0 # 音乐在 2:52.85 结束，留 0.15s 余量 # (素材, 起, 止, 运镜, 字幕, 类型) # 类型: "" 普通歌词 / "dialogue" 对白 / "title" 大标题 / "credit" 制作信息 SHOTS = [ ("03-场景设定/场景-江山风雨-水墨.png", 0.0, 7.0, "in", "说书人", "title"), ("06-合成镜头/合成-02-说书人×戏台.png", 7.0, 14.0, "out", "原唱 暗杠 / 寅子", "credit"), ("06-合成镜头/合成-01-说书人×路边茶楼.png", 14.0, 17.0, "in", "路边的茶楼 人影错落", ""), ("03-场景设定/场景-街市吆喝-水墨.png", 17.0, 20.0, "right", "街上传来 两三声吆喝", ""), ("02-人物设定/说书人-手部特写-醒木-水墨.png", 20.0, 23.0, "in", "人前摇扇 醒木拍桌", ""), ("06-合成镜头/合成-08-茶楼看客群像×路边茶楼.png", 23.0, 26.5, "left", "各位看官 你细听分说", ""), ("03-场景设定/场景-江山风雨-水墨.png", 26.5, 30.0, "out", "这江山风雨 岁月山河", ""), ("06-合成镜头/合成-11-侠女×城中楼阁-夜.png", 30.0, 33.0, "in", "刀光剑影 美了多少世间传说", ""), ("02-人物设定/说书人-侧面-水墨.png", 33.0, 38.0, "right", "且看他口若悬河 衣上有风尘", ""), ("06-合成镜头/合成-02-说书人×戏台.png", 38.0, 41.5, "in", "却原来是一位 江湖说书人", ""), ("06-合成镜头/合成-03-天山女子×天山枯城.png", 41.5, 45.0, "in", "那天山女子 独守枯城", ""), ("02-人物设定/天山女子-设定图-水墨.png", 45.0, 48.0, "in", "也只是为了 曾经的那一个人", ""), ("06-合成镜头/合成-04-昆仑痴儿×昆仑雪山.png", 48.0, 50.0, "out", "那昆仑痴儿 一情难分", ""), ("02-人物设定/昆仑痴儿-设定图-水墨.png", 50.0, 52.5, "out", "谁曾想这一去 再不相逢", ""), ("03-场景设定/场景-江山风雨-晨-水墨.png", 52.5, 56.0, "right", "这江山风雨 岁月山河", ""), ("06-合成镜头/合成-08-茶楼看客群像×路边茶楼.png", 56.0, 59.0, "in", "侠骨柔肠 醉了多少此间看客", ""), ("06-合成镜头/合成-10-游子异客×街市吆喝.png", 59.0, 63.0, "left", "本就是浮萍游子 漂泊本无根", ""), ("06-合成镜头/合成-06-游子异客×酒剑随马.png", 63.0, 65.5, "in", "萍水相逢浪迹天涯君莫问", ""), ("03-场景设定/场景-江山风雨-晨-水墨.png", 65.5, 68.5, "out", "那江山如画 各走一程", ""), ("03-场景设定/场景-街市吆喝-水墨.png", 68.5, 72.0, "right", "也苦尽了人间的多少苍生", ""), ("06-合成镜头/合成-05-侠女×桃花林.png", 72.0, 74.5, "in", "那美女多娇 爱看英雄", ""), ("06-合成镜头/合成-11-侠女×城中楼阁-夜.png", 74.5, 77.5, "in", "道尽了江湖的血雨腥风", ""), ("03-场景设定/场景-城中楼阁-水墨.png", 77.5, 80.5, "in", "城中楼阁 几经风霜", ""), ("02-人物设定/游子异客-设定图-水墨.png", 80.5, 83.5, "in", "天涯游子 一梦黄粱", ""), ("03-场景设定/场景-神鬼志异-水墨.png", 83.5, 86.5, "in", "神鬼志异 荒唐一场", ""), ("02-人物设定/说书人-仰首大笑-水墨.png", 86.5, 89.5, "right", "谈笑一段 半生疏狂", ""), ("03-场景设定/场景-城中楼阁-夜-水墨.png", 89.5, 92.5, "out", "江山易老嘛 几度斑驳", ""), ("06-合成镜头/合成-04-昆仑痴儿×昆仑雪山.png", 92.5, 95.5, "right", "痴儿侠女 奈何情多", ""), ("06-合成镜头/合成-06-游子异客×酒剑随马.png", 95.5, 98.5, "left", "酒剑随马 他乡异客", ""), ("06-合成镜头/合成-09-天山女子×桃花林.png", 98.5, 103.5, "in", "白衣不见 桃花如昨", ""), ("03-场景设定/场景-戏台-水墨.png", 103.5, 109.0, "in", "作词 古道背棺人", "credit"), ("03-场景设定/场景-桃花林-近景-水墨.png", 109.0, 114.0, "out", "编曲 慢镜头 / 暗杠", "credit"), ("06-合成镜头/合成-07-判官×戏台.png", 114.0, 117.0, "in", "哎呦 嘛时候是津门第一捏", "dialogue"), ("02-人物设定/判官-设定图-水墨.png", 117.0, 120.0, "in", "嘛事儿 你说", "dialogue"), ("02-人物设定/判官-设定图-水墨.png", 120.0, 121.5, "in", "弟弟", "dialogue"), ("06-合成镜头/合成-08-茶楼看客群像×路边茶楼.png", 121.5, 123.0, "right", "哎呀到底干嘛啊", "dialogue"), ("02-人物设定/判官-设定图-水墨.png", 123.0, 124.5, "in", "弟弟", "dialogue"), ("02-人物设定/说书人-设定图-水墨.png", 124.5, 126.0, "in", "这猴卖吗", "dialogue"), ("02-人物设定/判官-设定图-水墨.png", 126.0, 127.5, "in", "弟弟", "dialogue"), ("06-合成镜头/合成-01-说书人×路边茶楼.png", 127.5, 129.0, "in", "我跟你说 这猴不卖", "dialogue"), ("06-合成镜头/合成-08-茶楼看客群像×路边茶楼.png", 129.0, 132.0, "left", "在坐的看官 莫想太多", ""), ("02-人物设定/说书人-侧面-水墨.png", 132.0, 136.5, "in", "书中故事 是世间蹉跎", ""), ("06-合成镜头/合成-01-说书人×路边茶楼.png", 136.5, 141.0, "out", "各人心中 它自有评说", ""), ("02-人物设定/说书人-仰首大笑-水墨.png", 141.0, 144.0, "right", "听完这段 你一笑而过", ""), ("03-场景设定/场景-城中楼阁-夜-水墨.png", 144.0, 145.5, "in", "城中楼阁 几经风霜", ""), ("02-人物设定/游子异客-设定图-水墨.png", 145.5, 148.5, "in", "天涯游子 一梦黄粱", ""), ("03-场景设定/场景-神鬼志异-水墨.png", 148.5, 151.5, "in", "神鬼志异 荒唐一场", ""), ("02-人物设定/说书人-仰首大笑-水墨.png", 151.5, 154.5, "in", "谈笑一段 半生疏狂", ""), ("03-场景设定/场景-江山风雨-水墨.png", 154.5, 159.0, "out", "这江山风雨 岁月山河", ""), ("06-合成镜头/合成-12-说书人×江山风雨.png", 159.0, 162.0, "in", "人世苦短 又有几人看破", ""), ("06-合成镜头/合成-07-判官×戏台.png", 162.0, 165.0, "in", "大梦一场也只是戏中你我", ""), ("06-合成镜头/合成-02-说书人×戏台.png", 165.0, 169.5, "in", "欲知后事如何 且听我下回分说", ""), ("03-场景设定/场景-桃花林-近景-水墨.png", 169.5, 173.0, "out", "", ""), ] def zoompan_expr(motion, n): zr = ZMAX / max(n - 1, 1) cx, cy = "iw/2-(iw/zoom/2)", "ih/2-(ih/zoom/2)" if motion == "in": z, x, y = f"min(1+{zr:.6f}*on,{1+ZMAX})", cx, cy elif motion == "out": z, x, y = f"max({1+ZMAX}-{zr:.6f}*on,1.0)", cx, cy elif motion == "right": z, x, y = f"{1+ZMAX/2:.4f}", f"(iw-iw/zoom)*on/{n-1}", cy elif motion == "left": z, x, y = f"{1+ZMAX/2:.4f}", f"(iw-iw/zoom)*(1-on/{n-1})", cy else: raise ValueError(motion) return f"zoompan=z='{z}':x='{x}':y='{y}':d={n}:s={W}x{H}:fps={FPS}" def esc(p): return p.replace("\\", "\\\\").replace(":", "\\:").replace("'", "\\'") def txt(tmpdir, idx, tag, s): p = os.path.join(tmpdir, f"{tag}_{idx:04d}.txt") with open(p, "w", encoding="utf-8") as f: f.write(s) return p def build_segment(idx, shot, tmpdir): img, t0, t1, motion, text, kind = shot src = os.path.join(ROOT, img) n = max(int(round((t1 - t0) * FPS)), 1) out = os.path.join(tmpdir, f"seg_{idx:04d}.mp4") f = [f"scale={SRC_W}:{SRC_H}:force_original_aspect_ratio=increase", f"crop={SRC_W}:{SRC_H}", zoompan_expr(motion, n)] lab = txt(tmpdir, idx, "lab", f"S{idx:02d} {os.path.basename(img).replace('.png','')}") f.append(f"drawtext=fontfile={FONT}:textfile='{esc(lab)}':x=28:y=24:fontsize=24" f":fontcolor=white@0.45:borderw=2:bordercolor=black@0.4") if text: lf = txt(tmpdir, idx, "ly", text) if kind == "title": f.append(f"drawtext=fontfile={FONT}:textfile='{esc(lf)}':x=(w-text_w)/2:y=(h-text_h)/2" f":fontsize=150:fontcolor=white:borderw=6:bordercolor=black@0.75") elif kind == "credit": f.append(f"drawtext=fontfile={FONT}:textfile='{esc(lf)}':x=(w-text_w)/2:y=(h-text_h)/2" f":fontsize=64:fontcolor=white@0.92:borderw=4:bordercolor=black@0.7") elif kind == "dialogue": f.append(f"drawtext=fontfile={FONT}:textfile='{esc(lf)}':x=(w-text_w)/2:y=h-140" f":fontsize=52:fontcolor=0xFFE9A8:borderw=4:bordercolor=black@0.9") else: f.append(f"drawtext=fontfile={FONT}:textfile='{esc(lf)}':x=(w-text_w)/2:y=h-140" f":fontsize=50:fontcolor=white:borderw=4:bordercolor=black@0.9") f.append("format=yuv420p") if idx == len(SHOTS): f.append(f"fade=t=out:st={max(t1-t0-1.6,0):.2f}:d=1.6") subprocess.run(["ffmpeg", "-y", "-loglevel", "error", "-i", src, "-vf", ",".join(f), "-frames:v", str(n), "-c:v", "libx264", "-preset", "veryfast", "-crf", "20", "-pix_fmt", "yuv420p", out], check=True) return out def main(): preview = "--preview" in sys.argv noaudio = "--no-audio" in sys.argv shots = SHOTS[:3] if preview else SHOTS print(f"共 {len(shots)} 镜，时间轴 {shots[0][1]:.1f}s → {shots[-1][2]:.1f}s") tmpdir = tempfile.mkdtemp(prefix="mv_") segs = [] for i, s in enumerate(shots, 1): print(f" [{i:02d}/{len(shots)}] {s[1]:6.1f}-{s[2]:6.1f} ({s[2]-s[1]:4.1f}s) {s[3]:5s} {s[4][:24]}") segs.append(build_segment(i, s, tmpdir)) lf = os.path.join(tmpdir, "list.txt") with open(lf, "w", encoding="utf-8") as f: for s in segs: f.write(f"file '{s}'\n") silent = os.path.join(tmpdir, "silent.mp4") subprocess.run(["ffmpeg", "-y", "-loglevel", "error", "-f", "concat", "-safe", "0", "-i", lf, "-c", "copy", silent], check=True) name = "预览-前3镜.mp4" if preview else "说书人-MV-v2-全水墨.mp4" out = os.path.join(BASE, name) if noaudio or not os.path.exists(AUDIO): subprocess.run(["ffmpeg", "-y", "-loglevel", "error", "-i", silent, "-c", "copy", out], check=True) else: subprocess.run(["ffmpeg", "-y", "-loglevel", "error", "-i", silent, "-i", AUDIO, "-t", str(END), "-af", f"afade=t=out:st={END-1.2:.2f}:d=1.2", "-c:v", "copy", "-c:a", "aac", "-b:a", "256k", "-movflags", "+faststart", "-shortest", out], check=True) print(f"\n✅ {out}") subprocess.run(["ffprobe", "-v", "error", "-show_entries", "format=duration,size", "-show_entries", "stream=codec_name,width,height", "-of", "default=nw=1", out]) if __name__ == "__main__": main()