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| 1 | import sys |
| 2 | import os |
| 3 | import json |
| 4 | import subprocess |
| 5 | |
| 6 | |
| 7 | input_file = sys.argv[1] |
| 8 | output_file = os.path.splitext(input_file)[0] + ".mp4" |
| 9 | |
| 10 | |
| 11 | ffprobe = subprocess.run( |
| 12 | [ |
| 13 | "ffprobe", |
| 14 | "-v", |
| 15 | "quiet", |
| 16 | "-print_format", |
| 17 | "json", |
| 18 | "-show_streams", |
| 19 | input_file, |
| 20 | ], |
| 21 | capture_output=True, |
| 22 | text=True, |
| 23 | check=True, |
| 24 | ) |
| 25 | |
| 26 | streams = json.loads(ffprobe.stdout)["streams"] |
| 27 | |
| 28 | |
| 29 | video_tag = None |
| 30 | subtitles = [] |
| 31 | |
| 32 | |
| 33 | for s in streams: |
| 34 | |
| 35 | codec = s.get("codec_name", "").lower() |
| 36 | |
| 37 | if s.get("codec_type") == "video": |
| 38 | |
| 39 | dovi = any( |
| 40 | x.get("side_data_type") == "DOVI configuration record" |
| 41 | for x in s.get("side_data_list", []) |
| 42 | ) |
| 43 | |
| 44 | if codec in ("hevc", "h265"): |
| 45 | video_tag = "dvh1" if dovi else "hvc1" |
| 46 | |
| 47 | elif codec in ("h264", "avc"): |
| 48 | video_tag = "dva1" if dovi else "avc1" |
| 49 | |
| 50 | |
| 51 | elif ( |
| 52 | s.get("codec_type") == "subtitle" |
| 53 | and codec == "subrip" |
| 54 | ): |
| 55 | subtitles.append(s["index"]) |
| 56 | |
| 57 | |
| 58 | cmd = [ |
| 59 | "ffmpeg", |
| 60 | "-i", |
| 61 | input_file, |
| 62 | "-map", |
| 63 | "0:v", |
| 64 | "-map", |
| 65 | "0:a", |
| 66 | ] |
| 67 | |
| 68 | |
| 69 | for s in subtitles: |
| 70 | cmd += ["-map", f"0:{s}"] |
| 71 | |
| 72 | |
| 73 | cmd += [ |
| 74 | "-c:v", |
| 75 | "copy", |
| 76 | "-c:a", |
| 77 | "copy", |
| 78 | ] |
| 79 | |
| 80 | |
| 81 | if subtitles: |
| 82 | cmd += [ |
| 83 | "-c:s", |
| 84 | "mov_text", |
| 85 | ] |
| 86 | else: |
| 87 | cmd += [ |
| 88 | "-sn", |
| 89 | ] |
| 90 | |
| 91 | |
| 92 | cmd += [ |
| 93 | "-dn", |
| 94 | "-strict", |
| 95 | "unofficial", |
| 96 | "-movflags", |
| 97 | "+faststart", |
| 98 | "-tag:v", |
| 99 | video_tag, |
| 100 | "-brand", |
| 101 | "mp42", |
| 102 | output_file, |
| 103 | ] |
| 104 | |
| 105 | |
| 106 | print(" ".join(cmd)) |
| 107 | |
| 108 | subprocess.run(cmd, check=True) |
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